kitodo / kitodo-presentation

dlf/plugins/listview/class.tx_dlf_listview.php

Indentation +417 added lines, -417 removed lines

@@ -20,689 +20,689 @@
  */
 class tx_dlf_listview extends tx_dlf_plugin {
 
-	public $scriptRelPath = 'plugins/listview/class.tx_dlf_listview.php';
+    public $scriptRelPath = 'plugins/listview/class.tx_dlf_listview.php';
 
-	/**
-	 * This holds the list
-	 *
-	 * @var	tx_dlf_list
-	 * @access	protected
-	 */
-	protected $list;
+    /**
+     * This holds the list
+     *
+     * @var	tx_dlf_list
+     * @access	protected
+     */
+    protected $list;
 
-	/**
-	 * Array of sorted metadata
-	 *
-	 * @var	array
-	 * @access	protected
-	 */
-	protected $metadata = array ();
+    /**
+     * Array of sorted metadata
+     *
+     * @var	array
+     * @access	protected
+     */
+    protected $metadata = array ();
 
-	/**
-	 * Array of sortable metadata
-	 *
-	 * @var	array
-	 * @access	protected
-	 */
-	protected $sortables = array ();
+    /**
+     * Array of sortable metadata
+     *
+     * @var	array
+     * @access	protected
+     */
+    protected $sortables = array ();
 
-	/**
-	 * Renders the page browser
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		The rendered page browser ready for output
-	 */
-	protected function getPageBrowser() {
+    /**
+     * Renders the page browser
+     *
+     * @access	protected
+     *
+     * @return	string		The rendered page browser ready for output
+     */
+    protected function getPageBrowser() {
 
-		// Get overall number of pages.
-		$maxPages = intval(ceil(count($this->list) / $this->conf['limit']));
+        // Get overall number of pages.
+        $maxPages = intval(ceil(count($this->list) / $this->conf['limit']));
 
-		// Return empty pagebrowser if there is just one page.
-		if ($maxPages < 2) {
+        // Return empty pagebrowser if there is just one page.
+        if ($maxPages < 2) {
 
-			return '';
+            return '';
 
-		}
+        }
 
-		// Get separator.
-		$separator = $this->pi_getLL('separator', ' - ', TRUE);
+        // Get separator.
+        $separator = $this->pi_getLL('separator', ' - ', TRUE);
 
-		// Add link to previous page.
-		if ($this->piVars['pointer'] > 0) {
+        // Add link to previous page.
+        if ($this->piVars['pointer'] > 0) {
 
-			$output = $this->pi_linkTP_keepPIvars($this->pi_getLL('prevPage', '&lt;', TRUE), array ('pointer' => $this->piVars['pointer'] - 1), TRUE).$separator;
+            $output = $this->pi_linkTP_keepPIvars($this->pi_getLL('prevPage', '&lt;', TRUE), array ('pointer' => $this->piVars['pointer'] - 1), TRUE).$separator;
 
-		} else {
+        } else {
 
-			$output = $this->pi_getLL('prevPage', '&lt;', TRUE).$separator;
+            $output = $this->pi_getLL('prevPage', '&lt;', TRUE).$separator;
 
-		}
+        }
 
-		$i = 0;
+        $i = 0;
 
-		$skip = NULL;
+        $skip = NULL;
 
-		// Add links to pages.
-		while ($i < $maxPages) {
+        // Add links to pages.
+        while ($i < $maxPages) {
 
-			if ($i < 3 || ($i > $this->piVars['pointer'] - 3 && $i < $this->piVars['pointer'] + 3) || $i > $maxPages - 4) {
+            if ($i < 3 || ($i > $this->piVars['pointer'] - 3 && $i < $this->piVars['pointer'] + 3) || $i > $maxPages - 4) {
 
-				if ($this->piVars['pointer'] != $i) {
+                if ($this->piVars['pointer'] != $i) {
 
-					$output .= $this->pi_linkTP_keepPIvars(sprintf($this->pi_getLL('page', '%d', TRUE), $i + 1), array ('pointer' => $i), TRUE).$separator;
+                    $output .= $this->pi_linkTP_keepPIvars(sprintf($this->pi_getLL('page', '%d', TRUE), $i + 1), array ('pointer' => $i), TRUE).$separator;
 
-				} else {
+                } else {
 
-					$output .= sprintf($this->pi_getLL('page', '%d', TRUE), $i + 1).$separator;
+                    $output .= sprintf($this->pi_getLL('page', '%d', TRUE), $i + 1).$separator;
 
-				}
+                }
 
-				$skip = TRUE;
+                $skip = TRUE;
 
-			} elseif ($skip === TRUE) {
+            } elseif ($skip === TRUE) {
 
-				$output .= $this->pi_getLL('skip', '...', TRUE).$separator;
+                $output .= $this->pi_getLL('skip', '...', TRUE).$separator;
 
-				$skip = FALSE;
+                $skip = FALSE;
 
-			}
+            }
 
-			$i++;
+            $i++;
 
-		}
+        }
 
-		// Add link to next page.
-		if ($this->piVars['pointer'] < $maxPages - 1) {
+        // Add link to next page.
+        if ($this->piVars['pointer'] < $maxPages - 1) {
 
-			$output .= $this->pi_linkTP_keepPIvars($this->pi_getLL('nextPage', '&gt;', TRUE), array ('pointer' => $this->piVars['pointer'] + 1), TRUE);
+            $output .= $this->pi_linkTP_keepPIvars($this->pi_getLL('nextPage', '&gt;', TRUE), array ('pointer' => $this->piVars['pointer'] + 1), TRUE);
 
-		} else {
+        } else {
 
-			$output .= $this->pi_getLL('nextPage', '&gt;', TRUE);
+            $output .= $this->pi_getLL('nextPage', '&gt;', TRUE);
 
-		}
+        }
 
-		return $output;
+        return $output;
 
-	}
+    }
 
-	/**
-	 * Renders one entry of the list
-	 *
-	 * @access	protected
-	 *
-	 * @param	integer		$number: The number of the entry
-	 * @param	string		$template: Parsed template subpart
-	 *
-	 * @return	string		The rendered entry ready for output
-	 */
-	protected function getEntry($number, $template) {
+    /**
+     * Renders one entry of the list
+     *
+     * @access	protected
+     *
+     * @param	integer		$number: The number of the entry
+     * @param	string		$template: Parsed template subpart
+     *
+     * @return	string		The rendered entry ready for output
+     */
+    protected function getEntry($number, $template) {
 
-		$markerArray['###NUMBER###'] = $number + 1;
+        $markerArray['###NUMBER###'] = $number + 1;
 
-		$markerArray['###METADATA###'] = '';
+        $markerArray['###METADATA###'] = '';
 
-		$markerArray['###THUMBNAIL###'] = '';
+        $markerArray['###THUMBNAIL###'] = '';
 
-		$markerArray['###PREVIEW###'] = '';
+        $markerArray['###PREVIEW###'] = '';
 
-		$subpart = '';
+        $subpart = '';
 
-		$imgAlt = '';
+        $imgAlt = '';
 
-		$metadata = $this->list[$number]['metadata'];
+        $metadata = $this->list[$number]['metadata'];
 
-		foreach ($this->metadata as $index_name => $metaConf) {
+        foreach ($this->metadata as $index_name => $metaConf) {
 
-			$parsedValue = '';
+            $parsedValue = '';
 
-			$fieldwrap = $this->parseTS($metaConf['wrap']);
+            $fieldwrap = $this->parseTS($metaConf['wrap']);
 
-			do {
+            do {
 
-				$value = @array_shift($metadata[$index_name]);
+                $value = @array_shift($metadata[$index_name]);
 
-				// Link title to pageview.
-				if ($index_name == 'title') {
+                // Link title to pageview.
+                if ($index_name == 'title') {
 
-					// Get title of parent document if needed.
-					if (empty($value) && $this->conf['getTitle']) {
+                    // Get title of parent document if needed.
+                    if (empty($value) && $this->conf['getTitle']) {
 
-						$superiorTitle = tx_dlf_document::getTitle($this->list[$number]['uid'], TRUE);
+                        $superiorTitle = tx_dlf_document::getTitle($this->list[$number]['uid'], TRUE);
 
-						if (!empty($superiorTitle)) {
+                        if (!empty($superiorTitle)) {
 
-							$value = '['.$superiorTitle.']';
+                            $value = '['.$superiorTitle.']';
 
-						}
+                        }
 
-					}
+                    }
 
-					// Set fake title if still not present.
-					if (empty($value)) {
+                    // Set fake title if still not present.
+                    if (empty($value)) {
 
-						$value = $this->pi_getLL('noTitle');
+                        $value = $this->pi_getLL('noTitle');
 
-					}
+                    }
 
-					$imgAlt = htmlspecialchars($value);
+                    $imgAlt = htmlspecialchars($value);
 
-					$additionalParams = array (
-						'id' => $this->list[$number]['uid'],
-						'page' => $this->list[$number]['page']
-					);
+                    $additionalParams = array (
+                        'id' => $this->list[$number]['uid'],
+                        'page' => $this->list[$number]['page']
+                    );
 
-					if(!empty($this->piVars['logicalPage'])) {
+                    if(!empty($this->piVars['logicalPage'])) {
 
-						$additionalParams['logicalPage'] = $this->piVars['logicalPage'];
+                        $additionalParams['logicalPage'] = $this->piVars['logicalPage'];
 
-					}
+                    }
 
-					$conf = array (
-						'useCacheHash' => 1,
-						'parameter' => $this->conf['targetPid'],
-						'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE)
-					);
+                    $conf = array (
+                        'useCacheHash' => 1,
+                        'parameter' => $this->conf['targetPid'],
+                        'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE)
+                    );
 
-					$value = $this->cObj->typoLink(htmlspecialchars($value), $conf);
+                    $value = $this->cObj->typoLink(htmlspecialchars($value), $conf);
 
-				// Translate name of holding library.
-				} elseif ($index_name == 'owner' && !empty($value)) {
+                // Translate name of holding library.
+                } elseif ($index_name == 'owner' && !empty($value)) {
 
-					$value = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_libraries', $this->conf['pages']));
+                    $value = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_libraries', $this->conf['pages']));
 
-				// Translate document type.
-				} elseif ($index_name == 'type' && !empty($value)) {
+                // Translate document type.
+                } elseif ($index_name == 'type' && !empty($value)) {
 
-					$value = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_structures', $this->conf['pages']));
+                    $value = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_structures', $this->conf['pages']));
 
-				// Translate ISO 639 language code.
-				} elseif ($index_name == 'language' && !empty($value)) {
+                // Translate ISO 639 language code.
+                } elseif ($index_name == 'language' && !empty($value)) {
 
-					$value = htmlspecialchars(tx_dlf_helper::getLanguageName($value));
+                    $value = htmlspecialchars(tx_dlf_helper::getLanguageName($value));
 
-				} elseif (!empty($value)) {
+                } elseif (!empty($value)) {
 
-					$value = htmlspecialchars($value);
+                    $value = htmlspecialchars($value);
 
-				}
+                }
 
-				$value = $this->cObj->stdWrap($value, $fieldwrap['value.']);
+                $value = $this->cObj->stdWrap($value, $fieldwrap['value.']);
 
-				if (!empty($value)) {
+                if (!empty($value)) {
 
-					$parsedValue .= $value;
+                    $parsedValue .= $value;
 
-				}
+                }
 
-			} while (count($metadata[$index_name]));
+            } while (count($metadata[$index_name]));
 
-			if (!empty($parsedValue)) {
+            if (!empty($parsedValue)) {
 
-				$field = $this->cObj->stdWrap(htmlspecialchars($metaConf['label']), $fieldwrap['key.']);
+                $field = $this->cObj->stdWrap(htmlspecialchars($metaConf['label']), $fieldwrap['key.']);
 
-				$field .= $parsedValue;
+                $field .= $parsedValue;
 
-				$markerArray['###METADATA###'] .= $this->cObj->stdWrap($field, $fieldwrap['all.']);
+                $markerArray['###METADATA###'] .= $this->cObj->stdWrap($field, $fieldwrap['all.']);
 
-			}
+            }
 
-		}
+        }
 
-		// Add thumbnail.
-		if (!empty($this->list[$number]['thumbnail'])) {
+        // Add thumbnail.
+        if (!empty($this->list[$number]['thumbnail'])) {
 
-			$markerArray['###THUMBNAIL###'] = '<img alt="'.$imgAlt.'" src="'.$this->list[$number]['thumbnail'].'" />';
+            $markerArray['###THUMBNAIL###'] = '<img alt="'.$imgAlt.'" src="'.$this->list[$number]['thumbnail'].'" />';
 
-		}
+        }
 
-		// Add preview.
-		if (!empty($this->list[$number]['preview'])) {
+        // Add preview.
+        if (!empty($this->list[$number]['preview'])) {
 
-			$markerArray['###PREVIEW###'] = $this->list[$number]['preview'];
+            $markerArray['###PREVIEW###'] = $this->list[$number]['preview'];
 
-		}
+        }
 
-		if (!empty($this->list[$number]['subparts'])) {
+        if (!empty($this->list[$number]['subparts'])) {
 
-			$subpart = $this->getSubEntries($number, $template);
+            $subpart = $this->getSubEntries($number, $template);
 
-		}
+        }
 
-		// basket button
-		$markerArray['###BASKETBUTTON###'] = '';
+        // basket button
+        $markerArray['###BASKETBUTTON###'] = '';
 
-		if (!empty($this->conf['basketButton']) && !empty($this->conf['targetBasket'])) {
+        if (!empty($this->conf['basketButton']) && !empty($this->conf['targetBasket'])) {
 
-			$additionalParams = array ('id' => $this->list[$number]['uid'], 'startpage' => $this->list[$number]['page'], 'addToBasket' => 'list');
+            $additionalParams = array ('id' => $this->list[$number]['uid'], 'startpage' => $this->list[$number]['page'], 'addToBasket' => 'list');
 
-			$conf = array (
-				'useCacheHash' => 1,
-				'parameter' => $this->conf['targetBasket'],
-				'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE)
-			);
+            $conf = array (
+                'useCacheHash' => 1,
+                'parameter' => $this->conf['targetBasket'],
+                'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE)
+            );
 
-			$link = $this->cObj->typoLink($this->pi_getLL('addBasket', '', TRUE), $conf);
+            $link = $this->cObj->typoLink($this->pi_getLL('addBasket', '', TRUE), $conf);
 
-			$markerArray['###BASKETBUTTON###'] = $link;
+            $markerArray['###BASKETBUTTON###'] = $link;
 
-		}
+        }
 
-		return $this->cObj->substituteMarkerArray($this->cObj->substituteSubpart($template['entry'], '###SUBTEMPLATE###', $subpart, TRUE), $markerArray);
+        return $this->cObj->substituteMarkerArray($this->cObj->substituteSubpart($template['entry'], '###SUBTEMPLATE###', $subpart, TRUE), $markerArray);
 
-	}
+    }
 
-	/**
-	 * Renders sorting dialog
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		The rendered sorting dialog ready for output
-	 */
-	protected function getSortingForm() {
+    /**
+     * Renders sorting dialog
+     *
+     * @access	protected
+     *
+     * @return	string		The rendered sorting dialog ready for output
+     */
+    protected function getSortingForm() {
 
-		// Return nothing if there are no sortable metadata fields.
-		if (!count($this->sortables)) {
+        // Return nothing if there are no sortable metadata fields.
+        if (!count($this->sortables)) {
 
-			return '';
+            return '';
 
-		}
+        }
 
-		// Set class prefix.
-		$prefix = str_replace('_', '-', get_class($this));
+        // Set class prefix.
+        $prefix = str_replace('_', '-', get_class($this));
 
-		// Configure @action URL for form.
-		$linkConf = array (
-			'parameter' => $GLOBALS['TSFE']->id,
-			'forceAbsoluteUrl' => 1
-		);
+        // Configure @action URL for form.
+        $linkConf = array (
+            'parameter' => $GLOBALS['TSFE']->id,
+            'forceAbsoluteUrl' => 1
+        );
 
-		if(!empty($this->piVars['logicalPage'])) {
+        if(!empty($this->piVars['logicalPage'])) {
 
-			$linkConf['additionalParams'] = \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId,array('logicalPage' => $this->piVars['logicalPage']), '', TRUE, FALSE);
+            $linkConf['additionalParams'] = \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId,array('logicalPage' => $this->piVars['logicalPage']), '', TRUE, FALSE);
 
-		}
+        }
 
-		// Build HTML form.
-		$sorting = '<form action="'.$this->cObj->typoLink_URL($linkConf).'" method="get"><div><input type="hidden" name="id" value="'.$GLOBALS['TSFE']->id.'" />';
+        // Build HTML form.
+        $sorting = '<form action="'.$this->cObj->typoLink_URL($linkConf).'" method="get"><div><input type="hidden" name="id" value="'.$GLOBALS['TSFE']->id.'" />';
 
-		foreach ($this->piVars as $piVar => $value) {
+        foreach ($this->piVars as $piVar => $value) {
 
-			if ($piVar != 'order' && $piVar != 'DATA' && !empty($value)) {
+            if ($piVar != 'order' && $piVar != 'DATA' && !empty($value)) {
 
-				$sorting .= '<input type="hidden" name="'.$this->prefixId.'['.$piVar.']" value="'.$value.'" />';
+                $sorting .= '<input type="hidden" name="'.$this->prefixId.'['.$piVar.']" value="'.$value.'" />';
 
-			}
+            }
 
-		}
+        }
 
-		// Select sort field.
-		$uniqId = uniqid($prefix.'-');
+        // Select sort field.
+        $uniqId = uniqid($prefix.'-');
 
-		$sorting .= '<label for="'.$uniqId.'">'.$this->pi_getLL('orderBy', '', TRUE).'</label><select id="'.$uniqId.'" name="'.$this->prefixId.'[order]" onchange="javascript:this.form.submit();">';
+        $sorting .= '<label for="'.$uniqId.'">'.$this->pi_getLL('orderBy', '', TRUE).'</label><select id="'.$uniqId.'" name="'.$this->prefixId.'[order]" onchange="javascript:this.form.submit();">';
 
-		// Add relevance sorting if this is a search result list.
-		if ($this->list->metadata['options']['source'] == 'search') {
+        // Add relevance sorting if this is a search result list.
+        if ($this->list->metadata['options']['source'] == 'search') {
 
-			$sorting .= '<option value="relevance"'.(($this->list->metadata['options']['order'] == 'relevance') ? ' selected="selected"' : '').'>'.$this->pi_getLL('relevance', '', TRUE).'</option>';
+            $sorting .= '<option value="relevance"'.(($this->list->metadata['options']['order'] == 'relevance') ? ' selected="selected"' : '').'>'.$this->pi_getLL('relevance', '', TRUE).'</option>';
 
-		}
+        }
 
-		foreach ($this->sortables as $index_name => $label) {
+        foreach ($this->sortables as $index_name => $label) {
 
-			$sorting .= '<option value="'.$index_name.'"'.(($this->list->metadata['options']['order'] == $index_name) ? ' selected="selected"' : '').'>'.htmlspecialchars($label).'</option>';
+            $sorting .= '<option value="'.$index_name.'"'.(($this->list->metadata['options']['order'] == $index_name) ? ' selected="selected"' : '').'>'.htmlspecialchars($label).'</option>';
 
-		}
+        }
 
-		$sorting .= '</select>';
+        $sorting .= '</select>';
 
-		// Select sort direction.
-		$uniqId = uniqid($prefix.'-');
+        // Select sort direction.
+        $uniqId = uniqid($prefix.'-');
 
-		$sorting .= '<label for="'.$uniqId.'">'.$this->pi_getLL('direction', '', TRUE).'</label><select id="'.$uniqId.'" name="'.$this->prefixId.'[asc]" onchange="javascript:this.form.submit();">';
+        $sorting .= '<label for="'.$uniqId.'">'.$this->pi_getLL('direction', '', TRUE).'</label><select id="'.$uniqId.'" name="'.$this->prefixId.'[asc]" onchange="javascript:this.form.submit();">';
 
-		$sorting .= '<option value="1" '.($this->list->metadata['options']['order.asc'] ? ' selected="selected"' : '').'>'.$this->pi_getLL('direction.asc', '', TRUE).'</option>';
+        $sorting .= '<option value="1" '.($this->list->metadata['options']['order.asc'] ? ' selected="selected"' : '').'>'.$this->pi_getLL('direction.asc', '', TRUE).'</option>';
 
-		$sorting .= '<option value="0" '.(!$this->list->metadata['options']['order.asc'] ? ' selected="selected"' : '').'>'.$this->pi_getLL('direction.desc', '', TRUE).'</option>';
+        $sorting .= '<option value="0" '.(!$this->list->metadata['options']['order.asc'] ? ' selected="selected"' : '').'>'.$this->pi_getLL('direction.desc', '', TRUE).'</option>';
 
-		$sorting .= '</select></div></form>';
+        $sorting .= '</select></div></form>';
 
-		return $sorting;
+        return $sorting;
 
-	}
+    }
 
-	/**
-	 * Renders all sub-entries of one entry
-	 *
-	 * @access	protected
-	 *
-	 * @param	integer		$number: The number of the entry
-	 * @param	string		$template: Parsed template subpart
-	 *
-	 * @return	string		The rendered entries ready for output
-	 */
-	protected function getSubEntries($number, $template) {
+    /**
+     * Renders all sub-entries of one entry
+     *
+     * @access	protected
+     *
+     * @param	integer		$number: The number of the entry
+     * @param	string		$template: Parsed template subpart
+     *
+     * @return	string		The rendered entries ready for output
+     */
+    protected function getSubEntries($number, $template) {
 
-		$content = '';
+        $content = '';
 
-		foreach ($this->list[$number]['subparts'] as $subpart) {
+        foreach ($this->list[$number]['subparts'] as $subpart) {
 
-			$markerArray['###SUBMETADATA###'] = '';
+            $markerArray['###SUBMETADATA###'] = '';
 
-			$markerArray['###SUBTHUMBNAIL###'] = '';
+            $markerArray['###SUBTHUMBNAIL###'] = '';
 
-			$markerArray['###SUBPREVIEW###'] = '';
+            $markerArray['###SUBPREVIEW###'] = '';
 
-			$imgAlt = '';
+            $imgAlt = '';
 
-			foreach ($this->metadata as $index_name => $metaConf) {
+            foreach ($this->metadata as $index_name => $metaConf) {
 
-				$parsedValue = '';
+                $parsedValue = '';
 
-				$fieldwrap = $this->parseTS($metaConf['wrap']);
+                $fieldwrap = $this->parseTS($metaConf['wrap']);
 
-				do {
+                do {
 
-					$value = @array_shift($subpart['metadata'][$index_name]);
+                    $value = @array_shift($subpart['metadata'][$index_name]);
 
-					// Link title to pageview.
-					if ($index_name == 'title') {
+                    // Link title to pageview.
+                    if ($index_name == 'title') {
 
-						// Get title of parent document if needed.
-						if (empty($value) && $this->conf['getTitle']) {
+                        // Get title of parent document if needed.
+                        if (empty($value) && $this->conf['getTitle']) {
 
-							$superiorTitle = tx_dlf_document::getTitle($subpart['uid'], TRUE);
+                            $superiorTitle = tx_dlf_document::getTitle($subpart['uid'], TRUE);
 
-							if (!empty($superiorTitle)) {
+                            if (!empty($superiorTitle)) {
 
-								$value = '['.$superiorTitle.']';
+                                $value = '['.$superiorTitle.']';
 
-							}
+                            }
 
-						}
+                        }
 
-						// Set fake title if still not present.
-						if (empty($value)) {
+                        // Set fake title if still not present.
+                        if (empty($value)) {
 
-							$value = $this->pi_getLL('noTitle');
+                            $value = $this->pi_getLL('noTitle');
 
-						}
+                        }
 
-						$imgAlt = htmlspecialchars($value);
+                        $imgAlt = htmlspecialchars($value);
 
-						$additionalParams = array (
-							'id' => $subpart['uid'],
-							'page' => $subpart['page'],
-							'highlight_word' => preg_replace('/\s\s+/', ';', $this->list->metadata['searchString'])
-						);
+                        $additionalParams = array (
+                            'id' => $subpart['uid'],
+                            'page' => $subpart['page'],
+                            'highlight_word' => preg_replace('/\s\s+/', ';', $this->list->metadata['searchString'])
+                        );
 
-						if(!empty($this->piVars['logicalPage'])) {
+                        if(!empty($this->piVars['logicalPage'])) {
 
-							$additionalParams['logicalPage'] = $this->piVars['logicalPage'];
+                            $additionalParams['logicalPage'] = $this->piVars['logicalPage'];
 
-						}
+                        }
 
-						$conf = array (
-							// we don't want cHash in case of search parameters
-							'useCacheHash' => empty($this->list->metadata['searchString']) ? 1 : 0,
-							'parameter' => $this->conf['targetPid'],
-							'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE)
-						);
+                        $conf = array (
+                            // we don't want cHash in case of search parameters
+                            'useCacheHash' => empty($this->list->metadata['searchString']) ? 1 : 0,
+                            'parameter' => $this->conf['targetPid'],
+                            'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE)
+                        );
 
-						$value = $this->cObj->typoLink(htmlspecialchars($value), $conf);
+                        $value = $this->cObj->typoLink(htmlspecialchars($value), $conf);
 
-					// Translate name of holding library.
-					} elseif ($index_name == 'owner' && !empty($value)) {
+                    // Translate name of holding library.
+                    } elseif ($index_name == 'owner' && !empty($value)) {
 
-						$value = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_libraries', $this->conf['pages']));
+                        $value = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_libraries', $this->conf['pages']));
 
-					// Translate document type.
-					} elseif ($index_name == 'type' && !empty($value)) {
+                    // Translate document type.
+                    } elseif ($index_name == 'type' && !empty($value)) {
 
-						$_value = $value;
+                        $_value = $value;
 
-						$value = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_structures', $this->conf['pages']));
+                        $value = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_structures', $this->conf['pages']));
 
-						// Add page number for single pages.
-						if ($_value == 'page') {
+                        // Add page number for single pages.
+                        if ($_value == 'page') {
 
-							$value .= ' '.intval($subpart['page']);
+                            $value .= ' '.intval($subpart['page']);
 
-						}
+                        }
 
-					// Translate ISO 639 language code.
-					} elseif ($index_name == 'language' && !empty($value)) {
+                    // Translate ISO 639 language code.
+                    } elseif ($index_name == 'language' && !empty($value)) {
 
-						$value = htmlspecialchars(tx_dlf_helper::getLanguageName($value));
+                        $value = htmlspecialchars(tx_dlf_helper::getLanguageName($value));
 
-					} elseif (!empty($value)) {
+                    } elseif (!empty($value)) {
 
-						$value = htmlspecialchars($value);
+                        $value = htmlspecialchars($value);
 
-					}
+                    }
 
-					$value = $this->cObj->stdWrap($value, $fieldwrap['value.']);
+                    $value = $this->cObj->stdWrap($value, $fieldwrap['value.']);
 
-					if (!empty($value)) {
+                    if (!empty($value)) {
 
-						$parsedValue .= $value;
+                        $parsedValue .= $value;
 
-					}
+                    }
 
-				} while (count($subpart['metadata'][$index_name]));
+                } while (count($subpart['metadata'][$index_name]));
 
-				if (!empty($parsedValue)) {
+                if (!empty($parsedValue)) {
 
-					$field = $this->cObj->stdWrap(htmlspecialchars($metaConf['label']), $fieldwrap['key.']);
+                    $field = $this->cObj->stdWrap(htmlspecialchars($metaConf['label']), $fieldwrap['key.']);
 
-					$field .= $parsedValue;
+                    $field .= $parsedValue;
 
-					$markerArray['###SUBMETADATA###'] .= $this->cObj->stdWrap($field, $fieldwrap['all.']);
+                    $markerArray['###SUBMETADATA###'] .= $this->cObj->stdWrap($field, $fieldwrap['all.']);
 
-				}
+                }
 
-			}
+            }
 
-			// Add thumbnail.
-			if (!empty($subpart['thumbnail'])) {
+            // Add thumbnail.
+            if (!empty($subpart['thumbnail'])) {
 
-				$markerArray['###SUBTHUMBNAIL###'] = '<img alt="'.$imgAlt.'" src="'.$subpart['thumbnail'].'" />';
+                $markerArray['###SUBTHUMBNAIL###'] = '<img alt="'.$imgAlt.'" src="'.$subpart['thumbnail'].'" />';
 
-			}
+            }
 
-			// Add preview.
-			if (!empty($subpart['preview'])) {
+            // Add preview.
+            if (!empty($subpart['preview'])) {
 
-				$markerArray['###SUBPREVIEW###'] = $subpart['preview'];
+                $markerArray['###SUBPREVIEW###'] = $subpart['preview'];
 
-			}
+            }
 
-			// basket button
-			$markerArray['###SUBBASKETBUTTON###'] = '';
+            // basket button
+            $markerArray['###SUBBASKETBUTTON###'] = '';
 
-			if (!empty($this->conf['basketButton']) && !empty($this->conf['targetBasket'])) {
+            if (!empty($this->conf['basketButton']) && !empty($this->conf['targetBasket'])) {
 
-				$additionalParams = array ('id' => $this->list[$number]['uid'], 'startpage' => $subpart['page'], 'endpage' => $subpart['page'], 'logId' => $subpart['sid'], 'addToBasket' => 'subentry');
+                $additionalParams = array ('id' => $this->list[$number]['uid'], 'startpage' => $subpart['page'], 'endpage' => $subpart['page'], 'logId' => $subpart['sid'], 'addToBasket' => 'subentry');
 
-				$conf = array (
-					'useCacheHash' => 1,
-					'parameter' => $this->conf['targetBasket'],
-					'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE)
-				);
+                $conf = array (
+                    'useCacheHash' => 1,
+                    'parameter' => $this->conf['targetBasket'],
+                    'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE)
+                );
 
-				$link = $this->cObj->typoLink($this->pi_getLL('addBasket', '', TRUE), $conf);
+                $link = $this->cObj->typoLink($this->pi_getLL('addBasket', '', TRUE), $conf);
 
-				$markerArray['###SUBBASKETBUTTON###'] = $link;
+                $markerArray['###SUBBASKETBUTTON###'] = $link;
 
-			}
+            }
 
-			$content .= $this->cObj->substituteMarkerArray($template['subentry'], $markerArray);
+            $content .= $this->cObj->substituteMarkerArray($template['subentry'], $markerArray);
 
-		}
+        }
 
-		return $this->cObj->substituteSubpart($this->cObj->getSubpart($this->template, '###SUBTEMPLATE###'), '###SUBENTRY###', $content, TRUE);
+        return $this->cObj->substituteSubpart($this->cObj->getSubpart($this->template, '###SUBTEMPLATE###'), '###SUBENTRY###', $content, TRUE);
 
-	}
+    }
 
-	/**
-	 * Get metadata configuration from database
-	 *
-	 * @access	protected
-	 *
-	 * @return	void
-	 */
-	protected function loadConfig() {
+    /**
+     * Get metadata configuration from database
+     *
+     * @access	protected
+     *
+     * @return	void
+     */
+    protected function loadConfig() {
 
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-			'tx_dlf_metadata.index_name AS index_name,tx_dlf_metadata.wrap AS wrap,tx_dlf_metadata.is_listed AS is_listed,tx_dlf_metadata.is_sortable AS is_sortable',
-			'tx_dlf_metadata',
-			'(tx_dlf_metadata.is_listed=1 OR tx_dlf_metadata.is_sortable=1) AND tx_dlf_metadata.pid='.intval($this->conf['pages']).tx_dlf_helper::whereClause('tx_dlf_metadata'),
-			'',
-			'tx_dlf_metadata.sorting ASC',
-			''
-		);
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+            'tx_dlf_metadata.index_name AS index_name,tx_dlf_metadata.wrap AS wrap,tx_dlf_metadata.is_listed AS is_listed,tx_dlf_metadata.is_sortable AS is_sortable',
+            'tx_dlf_metadata',
+            '(tx_dlf_metadata.is_listed=1 OR tx_dlf_metadata.is_sortable=1) AND tx_dlf_metadata.pid='.intval($this->conf['pages']).tx_dlf_helper::whereClause('tx_dlf_metadata'),
+            '',
+            'tx_dlf_metadata.sorting ASC',
+            ''
+        );
 
-		while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
+        while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
 
-			if ($resArray['is_listed']) {
+            if ($resArray['is_listed']) {
 
-				$this->metadata[$resArray['index_name']] = array (
-					'wrap' => $resArray['wrap'],
-					'label' => tx_dlf_helper::translate($resArray['index_name'], 'tx_dlf_metadata', $this->conf['pages'])
-				);
+                $this->metadata[$resArray['index_name']] = array (
+                    'wrap' => $resArray['wrap'],
+                    'label' => tx_dlf_helper::translate($resArray['index_name'], 'tx_dlf_metadata', $this->conf['pages'])
+                );
 
-			}
+            }
 
-			if ($resArray['is_sortable']) {
+            if ($resArray['is_sortable']) {
 
-				$this->sortables[$resArray['index_name']] = tx_dlf_helper::translate($resArray['index_name'], 'tx_dlf_metadata', $this->conf['pages']);
+                $this->sortables[$resArray['index_name']] = tx_dlf_helper::translate($resArray['index_name'], 'tx_dlf_metadata', $this->conf['pages']);
 
-			}
+            }
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * The main method of the PlugIn
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$content: The PlugIn content
-	 * @param	array		$conf: The PlugIn configuration
-	 *
-	 * @return	string		The content that is displayed on the website
-	 */
-	public function main($content, $conf) {
+    /**
+     * The main method of the PlugIn
+     *
+     * @access	public
+     *
+     * @param	string		$content: The PlugIn content
+     * @param	array		$conf: The PlugIn configuration
+     *
+     * @return	string		The content that is displayed on the website
+     */
+    public function main($content, $conf) {
 
-		$this->init($conf);
+        $this->init($conf);
 
-		// Don't cache the output.
-		$this->setCache(FALSE);
+        // Don't cache the output.
+        $this->setCache(FALSE);
 
-		// Load the list.
-		$this->list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
+        // Load the list.
+        $this->list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
 
-		// Sort the list if applicable.
-		if ((!empty($this->piVars['order']) && $this->piVars['order'] != $this->list->metadata['options']['order'])
-			|| (isset($this->piVars['asc']) && $this->piVars['asc'] != $this->list->metadata['options']['order.asc'])) {
+        // Sort the list if applicable.
+        if ((!empty($this->piVars['order']) && $this->piVars['order'] != $this->list->metadata['options']['order'])
+            || (isset($this->piVars['asc']) && $this->piVars['asc'] != $this->list->metadata['options']['order.asc'])) {
 
-			// Order list by given field.
-			$this->list->sort($this->piVars['order'], (boolean) $this->piVars['asc']);
+            // Order list by given field.
+            $this->list->sort($this->piVars['order'], (boolean) $this->piVars['asc']);
 
-			// Update list's metadata.
-			$listMetadata = $this->list->metadata;
+            // Update list's metadata.
+            $listMetadata = $this->list->metadata;
 
-			$listMetadata['options']['order'] = $this->piVars['order'];
+            $listMetadata['options']['order'] = $this->piVars['order'];
 
-			$listMetadata['options']['order.asc'] = (boolean) $this->piVars['asc'];
+            $listMetadata['options']['order.asc'] = (boolean) $this->piVars['asc'];
 
-			$this->list->metadata = $listMetadata;
+            $this->list->metadata = $listMetadata;
 
-			// Save updated list.
-			$this->list->save();
+            // Save updated list.
+            $this->list->save();
 
-			// Reset pointer.
-			$this->piVars['pointer'] = 0;
+            // Reset pointer.
+            $this->piVars['pointer'] = 0;
 
-		}
+        }
 
-		// Load template file.
-		if (!empty($this->conf['templateFile'])) {
+        // Load template file.
+        if (!empty($this->conf['templateFile'])) {
 
-			$this->template = $this->cObj->getSubpart($this->cObj->fileResource($this->conf['templateFile']), '###TEMPLATE###');
+            $this->template = $this->cObj->getSubpart($this->cObj->fileResource($this->conf['templateFile']), '###TEMPLATE###');
 
-		} else {
+        } else {
 
-			$this->template = $this->cObj->getSubpart($this->cObj->fileResource('EXT:dlf/plugins/listview/template.tmpl'), '###TEMPLATE###');
+            $this->template = $this->cObj->getSubpart($this->cObj->fileResource('EXT:dlf/plugins/listview/template.tmpl'), '###TEMPLATE###');
 
-		}
+        }
 
-		$subpartArray['entry'] = $this->cObj->getSubpart($this->template, '###ENTRY###');
+        $subpartArray['entry'] = $this->cObj->getSubpart($this->template, '###ENTRY###');
 
-		$subpartArray['subentry'] = $this->cObj->getSubpart($this->template, '###SUBENTRY###');
+        $subpartArray['subentry'] = $this->cObj->getSubpart($this->template, '###SUBENTRY###');
 
-		// Set some variable defaults.
-		if (!empty($this->piVars['pointer']) && (($this->piVars['pointer'] * $this->conf['limit']) + 1) <= count($this->list)) {
+        // Set some variable defaults.
+        if (!empty($this->piVars['pointer']) && (($this->piVars['pointer'] * $this->conf['limit']) + 1) <= count($this->list)) {
 
-			$this->piVars['pointer'] = max(intval($this->piVars['pointer']), 0);
+            $this->piVars['pointer'] = max(intval($this->piVars['pointer']), 0);
 
-		} else {
+        } else {
 
-			$this->piVars['pointer'] = 0;
+            $this->piVars['pointer'] = 0;
 
-		}
+        }
 
-		// Load metadata configuration.
-		$this->loadConfig();
+        // Load metadata configuration.
+        $this->loadConfig();
 
-		for ($i = $this->piVars['pointer'] * $this->conf['limit'], $j = ($this->piVars['pointer'] + 1) * $this->conf['limit']; $i < $j; $i++) {
+        for ($i = $this->piVars['pointer'] * $this->conf['limit'], $j = ($this->piVars['pointer'] + 1) * $this->conf['limit']; $i < $j; $i++) {
 
-			if (empty($this->list[$i])) {
+            if (empty($this->list[$i])) {
 
-				break;
+                break;
 
-			} else {
+            } else {
 
-				$content .= $this->getEntry($i, $subpartArray);
+                $content .= $this->getEntry($i, $subpartArray);
 
-			}
+            }
 
-		}
+        }
 
-		$markerArray['###LISTTITLE###'] = $this->list->metadata['label'];
+        $markerArray['###LISTTITLE###'] = $this->list->metadata['label'];
 
-		$markerArray['###LISTDESCRIPTION###'] = $this->list->metadata['description'];
+        $markerArray['###LISTDESCRIPTION###'] = $this->list->metadata['description'];
 
-		if (!empty($this->list->metadata['thumbnail'])) {
+        if (!empty($this->list->metadata['thumbnail'])) {
 
-			$markerArray['###LISTTHUMBNAIL###'] = '<img alt="" src="'.$this->list->metadata['thumbnail'].'" />';
+            $markerArray['###LISTTHUMBNAIL###'] = '<img alt="" src="'.$this->list->metadata['thumbnail'].'" />';
 
-		} else {
+        } else {
 
-			$markerArray['###LISTTHUMBNAIL###'] = '';
+            $markerArray['###LISTTHUMBNAIL###'] = '';
 
-		}
+        }
 
-		if ($i) {
+        if ($i) {
 
-			$markerArray['###COUNT###'] = htmlspecialchars(sprintf($this->pi_getLL('count'), ($this->piVars['pointer'] * $this->conf['limit']) + 1, $i, count($this->list)));
+            $markerArray['###COUNT###'] = htmlspecialchars(sprintf($this->pi_getLL('count'), ($this->piVars['pointer'] * $this->conf['limit']) + 1, $i, count($this->list)));
 
-		} else {
+        } else {
 
-			$markerArray['###COUNT###'] = $this->pi_getLL('nohits', '', TRUE);
+            $markerArray['###COUNT###'] = $this->pi_getLL('nohits', '', TRUE);
 
-		}
+        }
 
-		$markerArray['###PAGEBROWSER###'] = $this->getPageBrowser();
+        $markerArray['###PAGEBROWSER###'] = $this->getPageBrowser();
 
-		$markerArray['###SORTING###'] = $this->getSortingForm();
+        $markerArray['###SORTING###'] = $this->getSortingForm();
 
-		$content = $this->cObj->substituteMarkerArray($this->cObj->substituteSubpart($this->template, '###ENTRY###', $content, TRUE), $markerArray);
+        $content = $this->cObj->substituteMarkerArray($this->cObj->substituteSubpart($this->template, '###ENTRY###', $content, TRUE), $markerArray);
 
-		return $this->pi_wrapInBaseClass($content);
+        return $this->pi_wrapInBaseClass($content);
 
-	}
+    }
 
 }

Spacing +4 added lines, -4 removed lines

@@ -193,7 +193,7 @@ 
 						'page' => $this->list[$number]['page']
 					);
 
-					if(!empty($this->piVars['logicalPage'])) {
+					if (!empty($this->piVars['logicalPage'])) {
 
 						$additionalParams['logicalPage'] = $this->piVars['logicalPage'];
 
@@ -318,9 +318,9 @@ 
 			'forceAbsoluteUrl' => 1
 		);
 
-		if(!empty($this->piVars['logicalPage'])) {
+		if (!empty($this->piVars['logicalPage'])) {
 
-			$linkConf['additionalParams'] = \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId,array('logicalPage' => $this->piVars['logicalPage']), '', TRUE, FALSE);
+			$linkConf['additionalParams'] = \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, array ('logicalPage' => $this->piVars['logicalPage']), '', TRUE, FALSE);
 
 		}
 
@@ -437,7 +437,7 @@ 
 							'highlight_word' => preg_replace('/\s\s+/', ';', $this->list->metadata['searchString'])
 						);
 
-						if(!empty($this->piVars['logicalPage'])) {
+						if (!empty($this->piVars['logicalPage'])) {
 
 							$additionalParams['logicalPage'] = $this->piVars['logicalPage'];
 

dlf/plugins/search/class.tx_dlf_search.php

Indentation +515 added lines, -515 removed lines

@@ -20,834 +20,834 @@
  */
 class tx_dlf_search extends tx_dlf_plugin {
 
-	public $scriptRelPath = 'plugins/search/class.tx_dlf_search.php';
+    public $scriptRelPath = 'plugins/search/class.tx_dlf_search.php';
 
-	/**
-	 * Adds the JS files necessary for search suggestions
-	 *
-	 * @access	protected
-	 *
-	 * @return	void
-	 */
-	protected function addAutocompleteJS() {
+    /**
+     * Adds the JS files necessary for search suggestions
+     *
+     * @access	protected
+     *
+     * @return	void
+     */
+    protected function addAutocompleteJS() {
 
-		// Check if there are any metadata to suggest.
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-			'tx_dlf_metadata.*',
-			'tx_dlf_metadata',
-			'tx_dlf_metadata.index_autocomplete=1 AND tx_dlf_metadata.pid='.intval($this->conf['pages']).tx_dlf_helper::whereClause('tx_dlf_metadata'),
-			'',
-			'',
-			'1'
-		);
+        // Check if there are any metadata to suggest.
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+            'tx_dlf_metadata.*',
+            'tx_dlf_metadata',
+            'tx_dlf_metadata.index_autocomplete=1 AND tx_dlf_metadata.pid='.intval($this->conf['pages']).tx_dlf_helper::whereClause('tx_dlf_metadata'),
+            '',
+            '',
+            '1'
+        );
 
 
-		if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
+        if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
 
-			$GLOBALS['TSFE']->additionalHeaderData[$this->prefixId.'_search_suggest'] = '<script type="text/javascript" src="'.\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::siteRelPath($this->extKey).'plugins/search/tx_dlf_search_suggest.js"></script>';
+            $GLOBALS['TSFE']->additionalHeaderData[$this->prefixId.'_search_suggest'] = '<script type="text/javascript" src="'.\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::siteRelPath($this->extKey).'plugins/search/tx_dlf_search_suggest.js"></script>';
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->addAutocompleteJS()] No metadata fields configured for search suggestions', $this->extKey, SYSLOG_SEVERITY_WARNING);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->addAutocompleteJS()] No metadata fields configured for search suggestions', $this->extKey, SYSLOG_SEVERITY_WARNING);
 
-			}
+            }
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Adds the current collection's UID to the search form
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		HTML input fields with current document's UID and parent ID
-	 */
-	protected function addCurrentCollection() {
+    /**
+     * Adds the current collection's UID to the search form
+     *
+     * @access	protected
+     *
+     * @return	string		HTML input fields with current document's UID and parent ID
+     */
+    protected function addCurrentCollection() {
 
-		// Load current collection.
-		$list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
+        // Load current collection.
+        $list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
 
-		if (!empty($list->metadata['options']['source']) && $list->metadata['options']['source'] == 'collection') {
+        if (!empty($list->metadata['options']['source']) && $list->metadata['options']['source'] == 'collection') {
 
-			// Get collection's UID.
-			return '<input type="hidden" name="'.$this->prefixId.'[collection]" value="'.$list->metadata['options']['select'].'" />';
+            // Get collection's UID.
+            return '<input type="hidden" name="'.$this->prefixId.'[collection]" value="'.$list->metadata['options']['select'].'" />';
 
-		} elseif (!empty($list->metadata['options']['params']['fq'])) {
+        } elseif (!empty($list->metadata['options']['params']['fq'])) {
 
-			// Get collection's UID from search metadata.
-			foreach ($list->metadata['options']['params']['fq'] as $id => $facet) {
+            // Get collection's UID from search metadata.
+            foreach ($list->metadata['options']['params']['fq'] as $id => $facet) {
 
-				$facetKeyVal = explode(':', $facet, 2);
+                $facetKeyVal = explode(':', $facet, 2);
 
-				if ($facetKeyVal[0] == 'collection_faceting' && !strpos($facetKeyVal[1], '" OR "')) {
+                if ($facetKeyVal[0] == 'collection_faceting' && !strpos($facetKeyVal[1], '" OR "')) {
 
-					$collectionId = tx_dlf_helper::getIdFromIndexName(trim($facetKeyVal[1], '(")'), 'tx_dlf_collections');
+                    $collectionId = tx_dlf_helper::getIdFromIndexName(trim($facetKeyVal[1], '(")'), 'tx_dlf_collections');
 
-				}
+                }
 
-			}
+            }
 
-			return '<input type="hidden" name="'.$this->prefixId.'[collection]" value="'.$collectionId.'" />';
+            return '<input type="hidden" name="'.$this->prefixId.'[collection]" value="'.$collectionId.'" />';
 
-		}
+        }
 
-		return '';
+        return '';
 
-	}
+    }
 
-	/**
-	 * Adds the current document's UID or parent ID to the search form
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		HTML input fields with current document's UID and parent ID
-	 */
-	protected function addCurrentDocument() {
+    /**
+     * Adds the current document's UID or parent ID to the search form
+     *
+     * @access	protected
+     *
+     * @return	string		HTML input fields with current document's UID and parent ID
+     */
+    protected function addCurrentDocument() {
 
-		// Load current list object.
-		$list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
+        // Load current list object.
+        $list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
 
-		// Load current document.
-		if (!empty($this->piVars['id']) && \TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($this->piVars['id'])) {
+        // Load current document.
+        if (!empty($this->piVars['id']) && \TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($this->piVars['id'])) {
 
-			$this->loadDocument();
+            $this->loadDocument();
 
-			// Get document's UID or parent ID.
-			if ($this->doc->ready) {
+            // Get document's UID or parent ID.
+            if ($this->doc->ready) {
 
-				return '<input type="hidden" name="'.$this->prefixId.'[id]" value="'.($this->doc->parentId > 0 ? $this->doc->parentId : $this->doc->uid).'" />';
+                return '<input type="hidden" name="'.$this->prefixId.'[id]" value="'.($this->doc->parentId > 0 ? $this->doc->parentId : $this->doc->uid).'" />';
 
-			}
+            }
 
-		} elseif (!empty($list->metadata['options']['params']['fq'])) {
+        } elseif (!empty($list->metadata['options']['params']['fq'])) {
 
-			// Get document's UID from search metadata.
-			foreach ($list->metadata['options']['params']['fq'] as $id => $facet) {
+            // Get document's UID from search metadata.
+            foreach ($list->metadata['options']['params']['fq'] as $id => $facet) {
 
-				$facetKeyVal = explode(':', $facet);
+                $facetKeyVal = explode(':', $facet);
 
-				if ($facetKeyVal[0] == 'uid') {
+                if ($facetKeyVal[0] == 'uid') {
 
-					$documentId = (int) substr($facetKeyVal[1], 1, strpos($facetKeyVal[1], ')'));
+                    $documentId = (int) substr($facetKeyVal[1], 1, strpos($facetKeyVal[1], ')'));
 
-				}
+                }
 
-			}
+            }
 
-			return '<input type="hidden" name="'.$this->prefixId.'[id]" value="'.$documentId.'" />';
+            return '<input type="hidden" name="'.$this->prefixId.'[id]" value="'.$documentId.'" />';
 
-		}
+        }
 
-		return '';
+        return '';
 
-	}
+    }
 
-	/**
-	 * Adds the encrypted Solr core name to the search form
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		HTML input fields with encrypted core name and hash
-	 */
-	protected function addEncryptedCoreName() {
+    /**
+     * Adds the encrypted Solr core name to the search form
+     *
+     * @access	protected
+     *
+     * @return	string		HTML input fields with encrypted core name and hash
+     */
+    protected function addEncryptedCoreName() {
 
-		// Get core name.
-		$name = tx_dlf_helper::getIndexName($this->conf['solrcore'], 'tx_dlf_solrcores');
+        // Get core name.
+        $name = tx_dlf_helper::getIndexName($this->conf['solrcore'], 'tx_dlf_solrcores');
 
-		// Encrypt core name.
-		if (!empty($name)) {
+        // Encrypt core name.
+        if (!empty($name)) {
 
-			$name = tx_dlf_helper::encrypt($name);
+            $name = tx_dlf_helper::encrypt($name);
 
-		}
+        }
 
-		// Add encrypted fields to search form.
-		if (is_array($name)) {
+        // Add encrypted fields to search form.
+        if (is_array($name)) {
 
-			return '<input type="hidden" name="'.$this->prefixId.'[encrypted]" value="'.$name['encrypted'].'" /><input type="hidden" name="'.$this->prefixId.'[hashed]" value="'.$name['hash'].'" />';
+            return '<input type="hidden" name="'.$this->prefixId.'[encrypted]" value="'.$name['encrypted'].'" /><input type="hidden" name="'.$this->prefixId.'[hashed]" value="'.$name['hash'].'" />';
 
-		} else {
+        } else {
 
-			return '';
+            return '';
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Returns the extended search form and adds the JS files necessary for extended search.
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		The extended search form or an empty string
-	 */
-	protected function addExtendedSearch() {
+    /**
+     * Returns the extended search form and adds the JS files necessary for extended search.
+     *
+     * @access	protected
+     *
+     * @return	string		The extended search form or an empty string
+     */
+    protected function addExtendedSearch() {
 
-		$extendedSearch = '';
+        $extendedSearch = '';
 
-		// Quit without doing anything if no fields for extended search are selected.
-		if (empty($this->conf['extendedSlotCount']) || empty($this->conf['extendedFields'])) {
+        // Quit without doing anything if no fields for extended search are selected.
+        if (empty($this->conf['extendedSlotCount']) || empty($this->conf['extendedFields'])) {
 
-			return $extendedSearch;
+            return $extendedSearch;
 
-		}
+        }
 
-		// Get operator options.
-		$operatorOptions = '';
+        // Get operator options.
+        $operatorOptions = '';
 
-		foreach (array ('AND', 'OR', 'NOT') as $operator) {
+        foreach (array ('AND', 'OR', 'NOT') as $operator) {
 
-			$operatorOptions .= '<option class="tx-dlf-search-operator-option tx-dlf-search-operator-'.$operator.'" value="'.$operator.'">'.$this->pi_getLL($operator, '', TRUE).'</option>';
+            $operatorOptions .= '<option class="tx-dlf-search-operator-option tx-dlf-search-operator-'.$operator.'" value="'.$operator.'">'.$this->pi_getLL($operator, '', TRUE).'</option>';
 
-		}
+        }
 
-		// Get field selector options.
-		$fieldSelectorOptions = '';
+        // Get field selector options.
+        $fieldSelectorOptions = '';
 
-		$searchFields = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->conf['extendedFields'], TRUE);
+        $searchFields = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->conf['extendedFields'], TRUE);
 
-		foreach ($searchFields as $searchField) {
+        foreach ($searchFields as $searchField) {
 
-			$fieldSelectorOptions .= '<option class="tx-dlf-search-field-option tx-dlf-search-field-'.$searchField.'" value="'.$searchField.'">'.tx_dlf_helper::translate($searchField, 'tx_dlf_metadata', $this->conf['pages']).'</option>';
+            $fieldSelectorOptions .= '<option class="tx-dlf-search-field-option tx-dlf-search-field-'.$searchField.'" value="'.$searchField.'">'.tx_dlf_helper::translate($searchField, 'tx_dlf_metadata', $this->conf['pages']).'</option>';
 
-		}
+        }
 
-		for ($i = 0; $i < $this->conf['extendedSlotCount']; $i++) {
+        for ($i = 0; $i < $this->conf['extendedSlotCount']; $i++) {
 
-			$markerArray = array (
-				'###EXT_SEARCH_OPERATOR###' => '<select class="tx-dlf-search-operator tx-dlf-search-operator-'.$i.'" name="'.$this->prefixId.'[extOperator]['.$i.']">'.$operatorOptions.'</select>',
-				'###EXT_SEARCH_FIELDSELECTOR###' => '<select class="tx-dlf-search-field tx-dlf-search-field-'.$i.'" name="'.$this->prefixId.'[extField]['.$i.']">'.$fieldSelectorOptions.'</select>',
-				'###EXT_SEARCH_FIELDQUERY###' => '<input class="tx-dlf-search-query tx-dlf-search-query-'.$i.'" type="text" name="'.$this->prefixId.'[extQuery]['.$i.']" />'
-			);
+            $markerArray = array (
+                '###EXT_SEARCH_OPERATOR###' => '<select class="tx-dlf-search-operator tx-dlf-search-operator-'.$i.'" name="'.$this->prefixId.'[extOperator]['.$i.']">'.$operatorOptions.'</select>',
+                '###EXT_SEARCH_FIELDSELECTOR###' => '<select class="tx-dlf-search-field tx-dlf-search-field-'.$i.'" name="'.$this->prefixId.'[extField]['.$i.']">'.$fieldSelectorOptions.'</select>',
+                '###EXT_SEARCH_FIELDQUERY###' => '<input class="tx-dlf-search-query tx-dlf-search-query-'.$i.'" type="text" name="'.$this->prefixId.'[extQuery]['.$i.']" />'
+            );
 
-			$extendedSearch .= $this->cObj->substituteMarkerArray($this->cObj->getSubpart($this->template, '###EXT_SEARCH_ENTRY###'), $markerArray);
+            $extendedSearch .= $this->cObj->substituteMarkerArray($this->cObj->getSubpart($this->template, '###EXT_SEARCH_ENTRY###'), $markerArray);
 
-		}
+        }
 
-		return $extendedSearch;
+        return $extendedSearch;
 
-	}
+    }
 
-	/**
-	 * Adds the facets menu to the search form
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		HTML output of facets menu
-	 */
-	protected function addFacetsMenu() {
+    /**
+     * Adds the facets menu to the search form
+     *
+     * @access	protected
+     *
+     * @return	string		HTML output of facets menu
+     */
+    protected function addFacetsMenu() {
 
-		// Check for typoscript configuration to prevent fatal error.
-		if (empty($this->conf['facetsConf.'])) {
+        // Check for typoscript configuration to prevent fatal error.
+        if (empty($this->conf['facetsConf.'])) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->addFacetsMenu()] Incomplete plugin configuration', $this->extKey, SYSLOG_SEVERITY_WARNING);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->addFacetsMenu()] Incomplete plugin configuration', $this->extKey, SYSLOG_SEVERITY_WARNING);
 
-			}
+            }
 
-			return '';
+            return '';
 
-		}
+        }
 
-		// Quit without doing anything if no facets are selected.
-		if (empty($this->conf['facets'])) {
+        // Quit without doing anything if no facets are selected.
+        if (empty($this->conf['facets'])) {
 
-			return '';
+            return '';
 
-		}
+        }
 
-		// Get facets from plugin configuration.
-		$facets = array ();
+        // Get facets from plugin configuration.
+        $facets = array ();
 
-		foreach (\TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->conf['facets'], TRUE) as $facet) {
+        foreach (\TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->conf['facets'], TRUE) as $facet) {
 
-			$facets[$facet.'_faceting'] = tx_dlf_helper::translate($facet, 'tx_dlf_metadata', $this->conf['pages']);
+            $facets[$facet.'_faceting'] = tx_dlf_helper::translate($facet, 'tx_dlf_metadata', $this->conf['pages']);
 
-		}
+        }
 
-		// Render facets menu.
-		$TSconfig = array ();
+        // Render facets menu.
+        $TSconfig = array ();
 
-		$TSconfig['special'] = 'userfunction';
+        $TSconfig['special'] = 'userfunction';
 
-		$TSconfig['special.']['userFunc'] = 'tx_dlf_search->makeFacetsMenuArray';
+        $TSconfig['special.']['userFunc'] = 'tx_dlf_search->makeFacetsMenuArray';
 
-		$TSconfig['special.']['facets'] = $facets;
+        $TSconfig['special.']['facets'] = $facets;
 
-		$TSconfig['special.']['limit'] = max(intval($this->conf['limitFacets']), 1);
+        $TSconfig['special.']['limit'] = max(intval($this->conf['limitFacets']), 1);
 
-		$TSconfig = tx_dlf_helper::array_merge_recursive_overrule($this->conf['facetsConf.'], $TSconfig);
+        $TSconfig = tx_dlf_helper::array_merge_recursive_overrule($this->conf['facetsConf.'], $TSconfig);
 
-		return $this->cObj->HMENU($TSconfig);
+        return $this->cObj->HMENU($TSconfig);
 
-	}
+    }
 
-	/**
-	 * Adds the fulltext switch to the search form
-	 *
-	 * @access	protected
-	 *
-	 * @param int $isFulltextSearch
-	 *
-	 * @return	string		HTML output of fulltext switch
-	 */
-	protected function addFulltextSwitch($isFulltextSearch = 0) {
+    /**
+     * Adds the fulltext switch to the search form
+     *
+     * @access	protected
+     *
+     * @param int $isFulltextSearch
+     *
+     * @return	string		HTML output of fulltext switch
+     */
+    protected function addFulltextSwitch($isFulltextSearch = 0) {
 
-		$output = '';
+        $output = '';
 
-		// Check for plugin configuration.
-		if (!empty($this->conf['fulltext'])) {
+        // Check for plugin configuration.
+        if (!empty($this->conf['fulltext'])) {
 
-			$output .= ' <input class="tx-dlf-search-fulltext" id="tx-dlf-search-fulltext-no" type="radio" name="' . $this->prefixId . '[fulltext]" value="0" ' . ($isFulltextSearch == 0 ? 'checked="checked"' : '') .' />';
+            $output .= ' <input class="tx-dlf-search-fulltext" id="tx-dlf-search-fulltext-no" type="radio" name="' . $this->prefixId . '[fulltext]" value="0" ' . ($isFulltextSearch == 0 ? 'checked="checked"' : '') .' />';
 
-			$output .= ' <label for="tx-dlf-search-fulltext-no">' . $this->pi_getLL('label.inMetadata', '') . '</label>';
+            $output .= ' <label for="tx-dlf-search-fulltext-no">' . $this->pi_getLL('label.inMetadata', '') . '</label>';
 
-			$output .= ' <input class="tx-dlf-search-fulltext" id="tx-dlf-search-fulltext-yes" type="radio" name="' . $this->prefixId . '[fulltext]" value="1" ' . ($isFulltextSearch == 1 ? 'checked="checked"' : '') .'/>';
+            $output .= ' <input class="tx-dlf-search-fulltext" id="tx-dlf-search-fulltext-yes" type="radio" name="' . $this->prefixId . '[fulltext]" value="1" ' . ($isFulltextSearch == 1 ? 'checked="checked"' : '') .'/>';
 
-			$output .= ' <label for="tx-dlf-search-fulltext-yes">' . $this->pi_getLL('label.inFulltext', '') . '</label>';
+            $output .= ' <label for="tx-dlf-search-fulltext-yes">' . $this->pi_getLL('label.inFulltext', '') . '</label>';
 
-		}
+        }
 
-		return $output;
+        return $output;
 
-	}
+    }
 
-	/**
-	 * Adds the logical page field to the search form
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		HTML output of logical page field
-	 */
-	protected function addLogicalPage() {
+    /**
+     * Adds the logical page field to the search form
+     *
+     * @access	protected
+     *
+     * @return	string		HTML output of logical page field
+     */
+    protected function addLogicalPage() {
 		
-		$output = '';
+        $output = '';
 
-		// Check for plugin configuration.
-		if (!empty($this->conf['showLogicalPageField'])) {
+        // Check for plugin configuration.
+        if (!empty($this->conf['showLogicalPageField'])) {
 			
-			$output .= ' <label for="tx-dlf-search-logical-page">' . $this->pi_getLL('label.logicalPage', '') . ': </label>';
+            $output .= ' <label for="tx-dlf-search-logical-page">' . $this->pi_getLL('label.logicalPage', '') . ': </label>';
 			
-			$output .= ' <input class="tx-dlf-search-logical-page" id="tx-dlf-search-logical-page" type="text" name="' . $this->prefixId . '[logicalPage]" />';
+            $output .= ' <input class="tx-dlf-search-logical-page" id="tx-dlf-search-logical-page" type="text" name="' . $this->prefixId . '[logicalPage]" />';
 			
-		}
+        }
 
-		return $output;
+        return $output;
 		
-	}
+    }
 
-	/**
-	 * Creates an array for a HMENU entry of a facet value.
-	 *
-	 * @param	string		$field: The facet's index_name
-	 * @param	string		$value: The facet's value
-	 * @param	integer		$count: Number of hits for this facet
-	 * @param	array		$search: The parameters of the current search query
-	 * @param	string		&$state: The state of the parent item
-	 *
-	 * @return	array		The array for the facet's menu entry
-	 */
-	protected function getFacetsMenuEntry($field, $value, $count, $search, &$state) {
+    /**
+     * Creates an array for a HMENU entry of a facet value.
+     *
+     * @param	string		$field: The facet's index_name
+     * @param	string		$value: The facet's value
+     * @param	integer		$count: Number of hits for this facet
+     * @param	array		$search: The parameters of the current search query
+     * @param	string		&$state: The state of the parent item
+     *
+     * @return	array		The array for the facet's menu entry
+     */
+    protected function getFacetsMenuEntry($field, $value, $count, $search, &$state) {
 
-		$entryArray = array();
+        $entryArray = array();
 
-		// Translate value.
-		if ($field == 'owner_faceting') {
+        // Translate value.
+        if ($field == 'owner_faceting') {
 
-			// Translate name of holding library.
-			$entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_libraries', $this->conf['pages']));
+            // Translate name of holding library.
+            $entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_libraries', $this->conf['pages']));
 
-		} elseif ($field == 'type_faceting') {
+        } elseif ($field == 'type_faceting') {
 
-			// Translate document type.
-			$entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_structures', $this->conf['pages']));
+            // Translate document type.
+            $entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_structures', $this->conf['pages']));
 
-		} elseif ($field == 'collection_faceting') {
+        } elseif ($field == 'collection_faceting') {
 
-			// Translate name of collection.
-			$entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_collections', $this->conf['pages']));
+            // Translate name of collection.
+            $entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_collections', $this->conf['pages']));
 
-		} elseif ($field == 'language_faceting') {
+        } elseif ($field == 'language_faceting') {
 
-			// Translate ISO 639 language code.
-			$entryArray['title'] = htmlspecialchars(tx_dlf_helper::getLanguageName($value));
+            // Translate ISO 639 language code.
+            $entryArray['title'] = htmlspecialchars(tx_dlf_helper::getLanguageName($value));
 
-		} else {
+        } else {
 
-			$entryArray['title'] = htmlspecialchars($value);
+            $entryArray['title'] = htmlspecialchars($value);
 
-		}
+        }
 
-		$entryArray['count'] = $count;
+        $entryArray['count'] = $count;
 
-		$entryArray['doNotLinkIt'] = 0;
+        $entryArray['doNotLinkIt'] = 0;
 
-		// Check if facet is already selected.
-		$index = array_search($field.':("'.tx_dlf_solr::escapeQuery($value).'")', $search['params']['fq']);
+        // Check if facet is already selected.
+        $index = array_search($field.':("'.tx_dlf_solr::escapeQuery($value).'")', $search['params']['fq']);
 
-		if ($index !== FALSE) {
+        if ($index !== FALSE) {
 
-			// Facet is selected, thus remove it from filter.
-			unset($search['params']['fq'][$index]);
+            // Facet is selected, thus remove it from filter.
+            unset($search['params']['fq'][$index]);
 
-			$search['params']['fq'] = array_values($search['params']['fq']);
+            $search['params']['fq'] = array_values($search['params']['fq']);
 
-			$entryArray['ITEM_STATE'] = 'CUR';
+            $entryArray['ITEM_STATE'] = 'CUR';
 
-			$state = 'ACTIFSUB';
+            $state = 'ACTIFSUB';
 
-			//Reset facets
-			if ($this->conf['resetFacets']) {
-				//remove ($count) for selected facet in template
-				$entryArray['count'] = FALSE;
-				//build link to delete selected facet
-				$entryArray['_OVERRIDE_HREF'] = $this->pi_linkTP_keepPIvars_url(array ('query' => $search['query'], 'fq' => $search['params']['fq']));
-				$entryArray['title'] = sprintf($this->pi_getLL('resetFacet', ''), $entryArray['title']);
-			}
+            //Reset facets
+            if ($this->conf['resetFacets']) {
+                //remove ($count) for selected facet in template
+                $entryArray['count'] = FALSE;
+                //build link to delete selected facet
+                $entryArray['_OVERRIDE_HREF'] = $this->pi_linkTP_keepPIvars_url(array ('query' => $search['query'], 'fq' => $search['params']['fq']));
+                $entryArray['title'] = sprintf($this->pi_getLL('resetFacet', ''), $entryArray['title']);
+            }
 
-		} else {
+        } else {
 
-			// Facet is not selected, thus add it to filter.
-			$search['params']['fq'][] = $field.':("'.tx_dlf_solr::escapeQuery($value).'")';
+            // Facet is not selected, thus add it to filter.
+            $search['params']['fq'][] = $field.':("'.tx_dlf_solr::escapeQuery($value).'")';
 
-			$entryArray['ITEM_STATE'] = 'NO';
+            $entryArray['ITEM_STATE'] = 'NO';
 
-		}
+        }
 
-		$entryArray['_OVERRIDE_HREF'] = $this->pi_linkTP_keepPIvars_url(array ('query' => $search['query'], 'fq' => $search['params']['fq']));
+        $entryArray['_OVERRIDE_HREF'] = $this->pi_linkTP_keepPIvars_url(array ('query' => $search['query'], 'fq' => $search['params']['fq']));
 
-		return $entryArray;
+        return $entryArray;
 
-	}
+    }
 
-	/**
-	 * The main method of the PlugIn
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$content: The PlugIn content
-	 * @param	array		$conf: The PlugIn configuration
-	 *
-	 * @return	string		The content that is displayed on the website
-	 */
-	public function main($content, $conf) {
+    /**
+     * The main method of the PlugIn
+     *
+     * @access	public
+     *
+     * @param	string		$content: The PlugIn content
+     * @param	array		$conf: The PlugIn configuration
+     *
+     * @return	string		The content that is displayed on the website
+     */
+    public function main($content, $conf) {
 
-		$this->init($conf);
+        $this->init($conf);
 
-		// Disable caching for this plugin.
-		$this->setCache(FALSE);
+        // Disable caching for this plugin.
+        $this->setCache(FALSE);
 
-		// Quit without doing anything if required variables are not set.
-		if (empty($this->conf['solrcore'])) {
+        // Quit without doing anything if required variables are not set.
+        if (empty($this->conf['solrcore'])) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->main('.$content.', [data])] Incomplete plugin configuration', $this->extKey, SYSLOG_SEVERITY_WARNING, $conf);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->main('.$content.', [data])] Incomplete plugin configuration', $this->extKey, SYSLOG_SEVERITY_WARNING, $conf);
 
-			}
+            }
 
-			return $content;
+            return $content;
 
-		}
+        }
 
-		if (!isset($this->piVars['query']) && empty($this->piVars['extQuery'])) {
+        if (!isset($this->piVars['query']) && empty($this->piVars['extQuery'])) {
 
-			// Extract query and filter from last search.
-			$list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
+            // Extract query and filter from last search.
+            $list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
 
-			if (!empty($list->metadata['searchString'])) {
+            if (!empty($list->metadata['searchString'])) {
 
-				if ($list->metadata['options']['source'] == 'search') {
+                if ($list->metadata['options']['source'] == 'search') {
 
-					$search['query'] = $list->metadata['searchString'];
+                    $search['query'] = $list->metadata['searchString'];
 
-				}
+                }
 
-				$search['params'] = $list->metadata['options']['params'];
+                $search['params'] = $list->metadata['options']['params'];
 
-			}
+            }
 
-			// Add javascript for search suggestions if enabled and jQuery autocompletion is available.
-			if (!empty($this->conf['suggest'])) {
+            // Add javascript for search suggestions if enabled and jQuery autocompletion is available.
+            if (!empty($this->conf['suggest'])) {
 
-				$this->addAutocompleteJS();
+                $this->addAutocompleteJS();
 
-			}
+            }
 
-			// Load template file.
-			if (!empty($this->conf['templateFile'])) {
+            // Load template file.
+            if (!empty($this->conf['templateFile'])) {
 
-				$this->template = $this->cObj->getSubpart($this->cObj->fileResource($this->conf['templateFile']), '###TEMPLATE###');
+                $this->template = $this->cObj->getSubpart($this->cObj->fileResource($this->conf['templateFile']), '###TEMPLATE###');
 
-			} else {
+            } else {
 
-				$this->template = $this->cObj->getSubpart($this->cObj->fileResource('EXT:dlf/plugins/search/template.tmpl'), '###TEMPLATE###');
+                $this->template = $this->cObj->getSubpart($this->cObj->fileResource('EXT:dlf/plugins/search/template.tmpl'), '###TEMPLATE###');
 
-			}
+            }
 
-			// Configure @action URL for form.
-			$linkConf = array (
-				'parameter' => $GLOBALS['TSFE']->id,
-				'forceAbsoluteUrl' => 1
-			);
+            // Configure @action URL for form.
+            $linkConf = array (
+                'parameter' => $GLOBALS['TSFE']->id,
+                'forceAbsoluteUrl' => 1
+            );
 
-			// Fill markers.
-			$markerArray = array (
-				'###ACTION_URL###' => $this->cObj->typoLink_URL($linkConf),
-				'###LABEL_QUERY###' => (!empty($search['query']) ? $search['query'] : $this->pi_getLL('label.query')),
-				'###LABEL_SUBMIT###' => $this->pi_getLL('label.submit'),
-				'###FIELD_QUERY###' => $this->prefixId.'[query]',
-				'###QUERY###' => (!empty($search['query']) ? $search['query'] : ''),
-				'###FULLTEXTSWITCH###' => $this->addFulltextSwitch($list->metadata['fulltextSearch']),
-				'###FIELD_DOC###' => ($this->conf['searchIn'] == 'document' || $this->conf['searchIn'] == 'all' ? $this->addCurrentDocument() : ''),
-				'###FIELD_COLL###' => ($this->conf['searchIn'] == 'collection' || $this->conf['searchIn'] == 'all' ? $this->addCurrentCollection() : ''),
-				'###ADDITIONAL_INPUTS###' => $this->addEncryptedCoreName(),
-				'###FACETS_MENU###' => $this->addFacetsMenu(),
-				'###LOGICAL_PAGE###' => $this->addLogicalPage()
-			);
+            // Fill markers.
+            $markerArray = array (
+                '###ACTION_URL###' => $this->cObj->typoLink_URL($linkConf),
+                '###LABEL_QUERY###' => (!empty($search['query']) ? $search['query'] : $this->pi_getLL('label.query')),
+                '###LABEL_SUBMIT###' => $this->pi_getLL('label.submit'),
+                '###FIELD_QUERY###' => $this->prefixId.'[query]',
+                '###QUERY###' => (!empty($search['query']) ? $search['query'] : ''),
+                '###FULLTEXTSWITCH###' => $this->addFulltextSwitch($list->metadata['fulltextSearch']),
+                '###FIELD_DOC###' => ($this->conf['searchIn'] == 'document' || $this->conf['searchIn'] == 'all' ? $this->addCurrentDocument() : ''),
+                '###FIELD_COLL###' => ($this->conf['searchIn'] == 'collection' || $this->conf['searchIn'] == 'all' ? $this->addCurrentCollection() : ''),
+                '###ADDITIONAL_INPUTS###' => $this->addEncryptedCoreName(),
+                '###FACETS_MENU###' => $this->addFacetsMenu(),
+                '###LOGICAL_PAGE###' => $this->addLogicalPage()
+            );
 
-			// Get additional fields for extended search.
-			$extendedSearch = $this->addExtendedSearch();
+            // Get additional fields for extended search.
+            $extendedSearch = $this->addExtendedSearch();
 
-			// Display search form.
-			$content .= $this->cObj->substituteSubpart($this->cObj->substituteMarkerArray($this->template, $markerArray), '###EXT_SEARCH_ENTRY###', $extendedSearch);
+            // Display search form.
+            $content .= $this->cObj->substituteSubpart($this->cObj->substituteMarkerArray($this->template, $markerArray), '###EXT_SEARCH_ENTRY###', $extendedSearch);
 
-			return $this->pi_wrapInBaseClass($content);
+            return $this->pi_wrapInBaseClass($content);
 
-		} else {
+        } else {
 
-			// Instantiate search object.
-			$solr = tx_dlf_solr::getInstance($this->conf['solrcore']);
+            // Instantiate search object.
+            $solr = tx_dlf_solr::getInstance($this->conf['solrcore']);
 
-			if (!$solr->ready) {
+            if (!$solr->ready) {
 
-				if (TYPO3_DLOG) {
+                if (TYPO3_DLOG) {
 
-					\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->main('.$content.', [data])] Apache Solr not available', $this->extKey, SYSLOG_SEVERITY_ERROR, $conf);
+                    \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->main('.$content.', [data])] Apache Solr not available', $this->extKey, SYSLOG_SEVERITY_ERROR, $conf);
 
-				}
+                }
 
-				return $content;
+                return $content;
 
-			}
+            }
 
-			// Build label for result list.
-			$label = $this->pi_getLL('search', '', TRUE);
+            // Build label for result list.
+            $label = $this->pi_getLL('search', '', TRUE);
 
-			if (!empty($this->piVars['query'])) {
+            if (!empty($this->piVars['query'])) {
 
-				$label .= htmlspecialchars(sprintf($this->pi_getLL('for', ''), $this->piVars['query']));
+                $label .= htmlspecialchars(sprintf($this->pi_getLL('for', ''), $this->piVars['query']));
 
-			}
+            }
 
-			// Prepare query parameters.
-			$params = array ();
+            // Prepare query parameters.
+            $params = array ();
 
-			$matches = array ();
+            $matches = array ();
 
-			// Set search query.
-			if ((!empty($this->conf['fulltext']) && !empty($this->piVars['fulltext'])) || preg_match('/fulltext:\((.*)\)/', $this->piVars['query'], $matches)) {
+            // Set search query.
+            if ((!empty($this->conf['fulltext']) && !empty($this->piVars['fulltext'])) || preg_match('/fulltext:\((.*)\)/', $this->piVars['query'], $matches)) {
 
-				// If the query already is a fulltext query e.g using the facets
-				$this->piVars['query'] = empty($matches[1])?$this->piVars['query']:$matches[1];
+                // If the query already is a fulltext query e.g using the facets
+                $this->piVars['query'] = empty($matches[1])?$this->piVars['query']:$matches[1];
 
-				// Search in fulltext field if applicable. query must not be empty!
-				if (!empty($this->piVars['query'])) {
+                // Search in fulltext field if applicable. query must not be empty!
+                if (!empty($this->piVars['query'])) {
 
-					$query = 'fulltext:('.tx_dlf_solr::escapeQuery($this->piVars['query']).')';
+                    $query = 'fulltext:('.tx_dlf_solr::escapeQuery($this->piVars['query']).')';
 
-				}
+                }
 
-				// Add highlighting for fulltext.
-				$params['hl'] = 'true';
+                // Add highlighting for fulltext.
+                $params['hl'] = 'true';
 
-				$params['hl.fl'] = 'fulltext';
+                $params['hl.fl'] = 'fulltext';
 
-			} else {
-				// Retain given search field if valid.
-				$query = tx_dlf_solr::escapeQueryKeepField($this->piVars['query'], $this->conf['pages']);
+            } else {
+                // Retain given search field if valid.
+                $query = tx_dlf_solr::escapeQueryKeepField($this->piVars['query'], $this->conf['pages']);
 
-			}
+            }
 
-			// Add extended search query.
-			if (!empty($this->piVars['extQuery']) && is_array($this->piVars['extQuery'])) {
+            // Add extended search query.
+            if (!empty($this->piVars['extQuery']) && is_array($this->piVars['extQuery'])) {
 
-				$allowedOperators = array('AND', 'OR', 'NOT');
+                $allowedOperators = array('AND', 'OR', 'NOT');
 
-				$allowedFields = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->conf['extendedFields'], TRUE);
+                $allowedFields = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->conf['extendedFields'], TRUE);
 
-				for ($i = 0; $i < count($this->piVars['extQuery']); $i++) {
+                for ($i = 0; $i < count($this->piVars['extQuery']); $i++) {
 
-					if (!empty($this->piVars['extQuery'][$i])) {
+                    if (!empty($this->piVars['extQuery'][$i])) {
 
-						if (in_array($this->piVars['extOperator'][$i], $allowedOperators) && in_array($this->piVars['extField'][$i], $allowedFields)) {
+                        if (in_array($this->piVars['extOperator'][$i], $allowedOperators) && in_array($this->piVars['extField'][$i], $allowedFields)) {
 
-							if (!empty($query)) {
+                            if (!empty($query)) {
 
-								$query .= ' '.$this->piVars['extOperator'][$i].' ';
+                                $query .= ' '.$this->piVars['extOperator'][$i].' ';
 
-							}
+                            }
 
-							$query .= tx_dlf_indexing::getIndexFieldName($this->piVars['extField'][$i], $this->conf['pages']).':('.tx_dlf_solr::escapeQuery($this->piVars['extQuery'][$i]).')';
+                            $query .= tx_dlf_indexing::getIndexFieldName($this->piVars['extField'][$i], $this->conf['pages']).':('.tx_dlf_solr::escapeQuery($this->piVars['extQuery'][$i]).')';
 
-						}
+                        }
 
-					}
+                    }
 
-				}
+                }
 
-			}
+            }
 
-			// Add filter query for faceting.
-			if (!empty($this->piVars['fq'])) {
+            // Add filter query for faceting.
+            if (!empty($this->piVars['fq'])) {
 
-				$params['fq'] = $this->piVars['fq'];
+                $params['fq'] = $this->piVars['fq'];
 
-			}
+            }
 
-			// Add filter query for in-document searching.
-			if ($this->conf['searchIn'] == 'document' || $this->conf['searchIn'] == 'all') {
+            // Add filter query for in-document searching.
+            if ($this->conf['searchIn'] == 'document' || $this->conf['searchIn'] == 'all') {
 
-				if (!empty($this->piVars['id']) && \TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($this->piVars['id'])) {
+                if (!empty($this->piVars['id']) && \TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($this->piVars['id'])) {
 
-					$params['fq'][] = 'uid:('.$this->piVars['id'].') OR partof:('.$this->piVars['id'].')';
+                    $params['fq'][] = 'uid:('.$this->piVars['id'].') OR partof:('.$this->piVars['id'].')';
 
-					$label .= htmlspecialchars(sprintf($this->pi_getLL('in', ''), tx_dlf_document::getTitle($this->piVars['id'])));
+                    $label .= htmlspecialchars(sprintf($this->pi_getLL('in', ''), tx_dlf_document::getTitle($this->piVars['id'])));
 
-				}
+                }
 
-			}
+            }
 
-			// Add filter query for in-collection searching.
-			if ($this->conf['searchIn'] == 'collection' || $this->conf['searchIn'] == 'all') {
+            // Add filter query for in-collection searching.
+            if ($this->conf['searchIn'] == 'collection' || $this->conf['searchIn'] == 'all') {
 
-				if (!empty($this->piVars['collection']) && \TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($this->piVars['collection'])) {
+                if (!empty($this->piVars['collection']) && \TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($this->piVars['collection'])) {
 
-					$index_name = tx_dlf_helper::getIndexName($this->piVars['collection'], 'tx_dlf_collections', $this->conf['pages']);
+                    $index_name = tx_dlf_helper::getIndexName($this->piVars['collection'], 'tx_dlf_collections', $this->conf['pages']);
 
-					$params['fq'][] = 'collection_faceting:("'.tx_dlf_solr::escapeQuery($index_name).'")';
+                    $params['fq'][] = 'collection_faceting:("'.tx_dlf_solr::escapeQuery($index_name).'")';
 
-					$label .= sprintf($this->pi_getLL('in', '', TRUE), tx_dlf_helper::translate($index_name, 'tx_dlf_collections', $this->conf['pages']));
+                    $label .= sprintf($this->pi_getLL('in', '', TRUE), tx_dlf_helper::translate($index_name, 'tx_dlf_collections', $this->conf['pages']));
 
-				}
+                }
 
-			}
+            }
 
-			// Add filter query for collection restrictions.
-			if ($this->conf['collections']) {
+            // Add filter query for collection restrictions.
+            if ($this->conf['collections']) {
 
-				$collIds = explode(',', $this->conf['collections']);
+                $collIds = explode(',', $this->conf['collections']);
 
-				$collIndexNames = array ();
+                $collIndexNames = array ();
 
-				foreach ($collIds as $collId) {
+                foreach ($collIds as $collId) {
 
-					$collIndexNames[] = tx_dlf_solr::escapeQuery(tx_dlf_helper::getIndexName(intval($collId), 'tx_dlf_collections', $this->conf['pages']));
+                    $collIndexNames[] = tx_dlf_solr::escapeQuery(tx_dlf_helper::getIndexName(intval($collId), 'tx_dlf_collections', $this->conf['pages']));
 
-				}
+                }
 
-				// Last value is fake and used for distinction in $this->addCurrentCollection()
-				$params['fq'][] = 'collection_faceting:("'.implode('" OR "', $collIndexNames).'" OR "FakeValueForDistinction")';
+                // Last value is fake and used for distinction in $this->addCurrentCollection()
+                $params['fq'][] = 'collection_faceting:("'.implode('" OR "', $collIndexNames).'" OR "FakeValueForDistinction")';
 
-			}
+            }
 
-			// Set search parameters.
-			$solr->limit = max(intval($this->conf['limit']), 1);
+            // Set search parameters.
+            $solr->limit = max(intval($this->conf['limit']), 1);
 
-			$solr->cPid = $this->conf['pages'];
+            $solr->cPid = $this->conf['pages'];
 
-			$solr->params = $params;
+            $solr->params = $params;
 
-			// Perform search.
-			$results = $solr->search($query);
+            // Perform search.
+            $results = $solr->search($query);
 
-			$results->metadata = array (
-				'label' => $label,
-				'description' => '<p class="tx-dlf-search-numHits">'.htmlspecialchars(sprintf($this->pi_getLL('hits', ''), $solr->numberOfHits, count($results))).'</p>',
-				'thumbnail' => '',
-				'searchString' => $this->piVars['query'],
-				'fulltextSearch' => (!empty($this->piVars['fulltext']) ? '1' : '0'),
-				'options' => $results->metadata['options']
-			);
+            $results->metadata = array (
+                'label' => $label,
+                'description' => '<p class="tx-dlf-search-numHits">'.htmlspecialchars(sprintf($this->pi_getLL('hits', ''), $solr->numberOfHits, count($results))).'</p>',
+                'thumbnail' => '',
+                'searchString' => $this->piVars['query'],
+                'fulltextSearch' => (!empty($this->piVars['fulltext']) ? '1' : '0'),
+                'options' => $results->metadata['options']
+            );
 
-			$results->save();
+            $results->save();
 
-			// Clean output buffer.
-			\TYPO3\CMS\Core\Utility\GeneralUtility::cleanOutputBuffers();
+            // Clean output buffer.
+            \TYPO3\CMS\Core\Utility\GeneralUtility::cleanOutputBuffers();
 
-			$additionalParams = array();
+            $additionalParams = array();
 
-			if(!empty($this->piVars['logicalPage'])) {
+            if(!empty($this->piVars['logicalPage'])) {
 
-				$additionalParams['logicalPage'] = $this->piVars['logicalPage'];
+                $additionalParams['logicalPage'] = $this->piVars['logicalPage'];
 
-			}
+            }
 
-			// Jump directly to the page view, if there is only one result and it is configured
-			if($results->count() == 1 && !empty($this->conf['showSingleResult'])) {
+            // Jump directly to the page view, if there is only one result and it is configured
+            if($results->count() == 1 && !empty($this->conf['showSingleResult'])) {
 
-				$linkConf['parameter'] = $this->conf['targetPidPageView'];
+                $linkConf['parameter'] = $this->conf['targetPidPageView'];
 
-				$additionalParams['id'] = $results->current()['uid'];
-				$additionalParams['highlight_word'] = preg_replace('/\s\s+/', ';', $results->metadata['searchString']);
-				$additionalParams['page'] = count($results[0]['subparts']) == 1?$results[0]['subparts'][0]['page']:1;
+                $additionalParams['id'] = $results->current()['uid'];
+                $additionalParams['highlight_word'] = preg_replace('/\s\s+/', ';', $results->metadata['searchString']);
+                $additionalParams['page'] = count($results[0]['subparts']) == 1?$results[0]['subparts'][0]['page']:1;
 
-			} else {
+            } else {
 
-				// Keep some plugin variables.
-				$linkConf['parameter'] = $this->conf['targetPid'];
+                // Keep some plugin variables.
+                $linkConf['parameter'] = $this->conf['targetPid'];
 
-				if (!empty($this->piVars['order'])) {
+                if (!empty($this->piVars['order'])) {
 
-					$additionalParams['order'] = $this->piVars['order'];
-					$additionalParams['asc'] = !empty($this->piVars['asc']) ? '1' : '0';
+                    $additionalParams['order'] = $this->piVars['order'];
+                    $additionalParams['asc'] = !empty($this->piVars['asc']) ? '1' : '0';
 
-				}
+                }
 
-			}
+            }
 
-			$linkConf['additionalParams'] = \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE);
+            $linkConf['additionalParams'] = \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $additionalParams, '', TRUE, FALSE);
 
-			// Send headers.
-			header('Location: '.\TYPO3\CMS\Core\Utility\GeneralUtility::locationHeaderUrl($this->cObj->typoLink_URL($linkConf)));
+            // Send headers.
+            header('Location: '.\TYPO3\CMS\Core\Utility\GeneralUtility::locationHeaderUrl($this->cObj->typoLink_URL($linkConf)));
 
-			// Flush output buffer and end script processing.
-			ob_end_flush();
+            // Flush output buffer and end script processing.
+            ob_end_flush();
 
-			exit;
+            exit;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * This builds a menu array for HMENU
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$content: The PlugIn content
-	 * @param	array		$conf: The PlugIn configuration
-	 *
-	 * @return	array		HMENU array
-	 */
-	public function makeFacetsMenuArray($content, $conf) {
+    /**
+     * This builds a menu array for HMENU
+     *
+     * @access	public
+     *
+     * @param	string		$content: The PlugIn content
+     * @param	array		$conf: The PlugIn configuration
+     *
+     * @return	array		HMENU array
+     */
+    public function makeFacetsMenuArray($content, $conf) {
 
-		$this->init($conf);
+        $this->init($conf);
 
-		$menuArray = array ();
+        $menuArray = array ();
 
-		// Set default value for facet search.
-		$search = array (
-			'query' => '*',
-			'params' => array ()
-		);
+        // Set default value for facet search.
+        $search = array (
+            'query' => '*',
+            'params' => array ()
+        );
 
-		// Extract query and filter from last search.
-		$list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
+        // Extract query and filter from last search.
+        $list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list');
 
-		if (!empty($list->metadata['options']['source'])) {
+        if (!empty($list->metadata['options']['source'])) {
 
-			if ($list->metadata['options']['source'] == 'search') {
+            if ($list->metadata['options']['source'] == 'search') {
 
-				$search['query'] = $list->metadata['options']['select'];
+                $search['query'] = $list->metadata['options']['select'];
 
-			}
+            }
 
-			$search['params'] = $list->metadata['options']['params'];
+            $search['params'] = $list->metadata['options']['params'];
 
-		}
+        }
 
-		// Get applicable facets.
-		$solr = tx_dlf_solr::getInstance($this->conf['solrcore']);
+        // Get applicable facets.
+        $solr = tx_dlf_solr::getInstance($this->conf['solrcore']);
 
-		if (!$solr->ready) {
+        if (!$solr->ready) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->makeFacetsMenuArray('.$content.', [data])] Apache Solr not available', $this->extKey, SYSLOG_SEVERITY_ERROR, $conf);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_search->makeFacetsMenuArray('.$content.', [data])] Apache Solr not available', $this->extKey, SYSLOG_SEVERITY_ERROR, $conf);
 
-			}
+            }
 
-			return array ();
+            return array ();
 
-		}
+        }
 
-		// Set needed parameters for facet search.
-		if (empty($search['params']['fq'])) {
+        // Set needed parameters for facet search.
+        if (empty($search['params']['fq'])) {
 
-			$search['params']['fq'] = array ();
+            $search['params']['fq'] = array ();
 
-		}
+        }
 
-		$search['params']['facet'] = 'true';
+        $search['params']['facet'] = 'true';
 
-		$search['params']['facet.field'] = array_keys($this->conf['facets']);
+        $search['params']['facet.field'] = array_keys($this->conf['facets']);
 
-		//override SOLR default value for facet.limit of 100
-		$search['params']['facet.limit'] = $this->conf['limitFacets'];
+        //override SOLR default value for facet.limit of 100
+        $search['params']['facet.limit'] = $this->conf['limitFacets'];
 
-		// Perform search.
-		$results = $solr->service->search($search['query'], 0, $this->conf['limit'], $search['params']);
+        // Perform search.
+        $results = $solr->service->search($search['query'], 0, $this->conf['limit'], $search['params']);
 
-		// Process results.
-		foreach ($results->facet_counts->facet_fields as $field => $values) {
+        // Process results.
+        foreach ($results->facet_counts->facet_fields as $field => $values) {
 
-			$entryArray = array ();
+            $entryArray = array ();
 
-			$entryArray['title'] = htmlspecialchars($this->conf['facets'][$field]);
+            $entryArray['title'] = htmlspecialchars($this->conf['facets'][$field]);
 
-			$entryArray['count'] = 0;
+            $entryArray['count'] = 0;
 
-			$entryArray['_OVERRIDE_HREF'] = '';
+            $entryArray['_OVERRIDE_HREF'] = '';
 
-			$entryArray['doNotLinkIt'] = 1;
+            $entryArray['doNotLinkIt'] = 1;
 
-			$entryArray['ITEM_STATE'] = 'NO';
+            $entryArray['ITEM_STATE'] = 'NO';
 
-			// Count number of facet values.
-			$i = 0;
+            // Count number of facet values.
+            $i = 0;
 
-			foreach ($values as $value => $count) {
+            foreach ($values as $value => $count) {
 
-				if ($count > 0) {
+                if ($count > 0) {
 
-					$hasValue = TRUE;
+                    $hasValue = TRUE;
 
-					$entryArray['count']++;
+                    $entryArray['count']++;
 
-					if ($entryArray['ITEM_STATE'] == 'NO') {
+                    if ($entryArray['ITEM_STATE'] == 'NO') {
 
-						$entryArray['ITEM_STATE'] = 'IFSUB';
+                        $entryArray['ITEM_STATE'] = 'IFSUB';
 
-					}
+                    }
 
-					$entryArray['_SUB_MENU'][] = $this->getFacetsMenuEntry($field, $value, $count, $search, $entryArray['ITEM_STATE']);
+                    $entryArray['_SUB_MENU'][] = $this->getFacetsMenuEntry($field, $value, $count, $search, $entryArray['ITEM_STATE']);
 
-					if (++$i == $this->conf['limit']) {
+                    if (++$i == $this->conf['limit']) {
 
-						break;
+                        break;
 
-					}
+                    }
 
-				} else {
+                } else {
 
-					break;
+                    break;
 
-				}
+                }
 
-			}
+            }
 
-			$menuArray[] = $entryArray;
+            $menuArray[] = $entryArray;
 
-		}
+        }
 
-		return $menuArray;
+        return $menuArray;
 
 
-	}
+    }
 
 }

Spacing +13 added lines, -13 removed lines

@@ -302,13 +302,13 @@ 
 		// Check for plugin configuration.
 		if (!empty($this->conf['fulltext'])) {
 
-			$output .= ' <input class="tx-dlf-search-fulltext" id="tx-dlf-search-fulltext-no" type="radio" name="' . $this->prefixId . '[fulltext]" value="0" ' . ($isFulltextSearch == 0 ? 'checked="checked"' : '') .' />';
+			$output .= ' <input class="tx-dlf-search-fulltext" id="tx-dlf-search-fulltext-no" type="radio" name="'.$this->prefixId.'[fulltext]" value="0" '.($isFulltextSearch == 0 ? 'checked="checked"' : '').' />';
 
-			$output .= ' <label for="tx-dlf-search-fulltext-no">' . $this->pi_getLL('label.inMetadata', '') . '</label>';
+			$output .= ' <label for="tx-dlf-search-fulltext-no">'.$this->pi_getLL('label.inMetadata', '').'</label>';
 
-			$output .= ' <input class="tx-dlf-search-fulltext" id="tx-dlf-search-fulltext-yes" type="radio" name="' . $this->prefixId . '[fulltext]" value="1" ' . ($isFulltextSearch == 1 ? 'checked="checked"' : '') .'/>';
+			$output .= ' <input class="tx-dlf-search-fulltext" id="tx-dlf-search-fulltext-yes" type="radio" name="'.$this->prefixId.'[fulltext]" value="1" '.($isFulltextSearch == 1 ? 'checked="checked"' : '').'/>';
 
-			$output .= ' <label for="tx-dlf-search-fulltext-yes">' . $this->pi_getLL('label.inFulltext', '') . '</label>';
+			$output .= ' <label for="tx-dlf-search-fulltext-yes">'.$this->pi_getLL('label.inFulltext', '').'</label>';
 
 		}
 
@@ -330,9 +330,9 @@ 
 		// Check for plugin configuration.
 		if (!empty($this->conf['showLogicalPageField'])) {
 			
-			$output .= ' <label for="tx-dlf-search-logical-page">' . $this->pi_getLL('label.logicalPage', '') . ': </label>';
+			$output .= ' <label for="tx-dlf-search-logical-page">'.$this->pi_getLL('label.logicalPage', '').': </label>';
 			
-			$output .= ' <input class="tx-dlf-search-logical-page" id="tx-dlf-search-logical-page" type="text" name="' . $this->prefixId . '[logicalPage]" />';
+			$output .= ' <input class="tx-dlf-search-logical-page" id="tx-dlf-search-logical-page" type="text" name="'.$this->prefixId.'[logicalPage]" />';
 			
 		}
 
@@ -353,7 +353,7 @@ 
 	 */
 	protected function getFacetsMenuEntry($field, $value, $count, $search, &$state) {
 
-		$entryArray = array();
+		$entryArray = array ();
 
 		// Translate value.
 		if ($field == 'owner_faceting') {
@@ -553,7 +553,7 @@ 
 			if ((!empty($this->conf['fulltext']) && !empty($this->piVars['fulltext'])) || preg_match('/fulltext:\((.*)\)/', $this->piVars['query'], $matches)) {
 
 				// If the query already is a fulltext query e.g using the facets
-				$this->piVars['query'] = empty($matches[1])?$this->piVars['query']:$matches[1];
+				$this->piVars['query'] = empty($matches[1]) ? $this->piVars['query'] : $matches[1];
 
 				// Search in fulltext field if applicable. query must not be empty!
 				if (!empty($this->piVars['query'])) {
@@ -576,7 +576,7 @@ 
 			// Add extended search query.
 			if (!empty($this->piVars['extQuery']) && is_array($this->piVars['extQuery'])) {
 
-				$allowedOperators = array('AND', 'OR', 'NOT');
+				$allowedOperators = array ('AND', 'OR', 'NOT');
 
 				$allowedFields = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->conf['extendedFields'], TRUE);
 
@@ -679,22 +679,22 @@ 
 			// Clean output buffer.
 			\TYPO3\CMS\Core\Utility\GeneralUtility::cleanOutputBuffers();
 
-			$additionalParams = array();
+			$additionalParams = array ();
 
-			if(!empty($this->piVars['logicalPage'])) {
+			if (!empty($this->piVars['logicalPage'])) {
 
 				$additionalParams['logicalPage'] = $this->piVars['logicalPage'];
 
 			}
 
 			// Jump directly to the page view, if there is only one result and it is configured
-			if($results->count() == 1 && !empty($this->conf['showSingleResult'])) {
+			if ($results->count() == 1 && !empty($this->conf['showSingleResult'])) {
 
 				$linkConf['parameter'] = $this->conf['targetPidPageView'];
 
 				$additionalParams['id'] = $results->current()['uid'];
 				$additionalParams['highlight_word'] = preg_replace('/\s\s+/', ';', $results->metadata['searchString']);
-				$additionalParams['page'] = count($results[0]['subparts']) == 1?$results[0]['subparts'][0]['page']:1;
+				$additionalParams['page'] = count($results[0]['subparts']) == 1 ? $results[0]['subparts'][0]['page'] : 1;
 
 			} else {
 

dlf/common/class.tx_dlf_document.php

Braces +1 added lines, -1 removed lines

@@ -927,7 +927,7 @@
 
 			foreach($this->physicalStructureInfo as $page) {
 
-				if(strpos($page['orderlabel'], $logicalPage) !== false){
+				if(strpos($page['orderlabel'], $logicalPage) !== false) {
 
 					$this->lastSearchedPhysicalPage['logicalPage'] = $logicalPage;
 					$this->lastSearchedPhysicalPage['physicalPage'] = $physicalPage;

Upper-Lower-Casing +1 added lines, -1 removed lines

@@ -927,7 +927,7 @@
 
 			foreach($this->physicalStructureInfo as $page) {
 
-				if(strpos($page['orderlabel'], $logicalPage) !== false){
+				if(strpos($page['orderlabel'], $logicalPage) !== FALSE){
 
 					$this->lastSearchedPhysicalPage['logicalPage'] = $logicalPage;
 					$this->lastSearchedPhysicalPage['physicalPage'] = $physicalPage;

Indentation +1830 added lines, -1830 removed lines

@@ -20,2662 +20,2662 @@
  */
 final class tx_dlf_document {
 
-	/**
-	 * This holds the whole XML file as string for serialization purposes
-	 * @see __sleep() / __wakeup()
-	 *
-	 * @var	string
-	 * @access protected
-	 */
-	protected $asXML = '';
-
-	/**
-	 * This holds the PID for the configuration
-	 *
-	 * @var	integer
-	 * @access protected
-	 */
-	protected $cPid = 0;
-
-	/**
-	 * This holds the XML file's dmdSec parts with their IDs as array key
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $dmdSec = array ();
-
-	/**
-	 * Are the METS file's dmdSecs loaded?
-	 * @see $dmdSec
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $dmdSecLoaded = FALSE;
-
-	/**
-	 * The extension key
-	 *
-	 * @var	string
-	 * @access public
-	 */
-	public static $extKey = 'dlf';
-
-	/**
-	 * This holds the file ID -> USE concordance
-	 * @see _getFileGrps()
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $fileGrps = array ();
-
-	/**
-	 * Are the file groups loaded?
-	 * @see $fileGrps
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $fileGrpsLoaded = FALSE;
-
-	/**
-	 * This holds the configuration for all supported metadata encodings
-	 * @see loadFormats()
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $formats = array (
-		'METS' => array (
-			'rootElement' => 'mets',
-			'namespaceURI' => 'http://www.loc.gov/METS/',
-		),
-		'XLINK' => array (
-			'rootElement' => 'xlink',
-			'namespaceURI' => 'http://www.w3.org/1999/xlink',
-		)
-	);
-
-	/**
-	 * Are the available metadata formats loaded?
-	 * @see $formats
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $formatsLoaded = FALSE;
-
-	/**
-	 * Are there any fulltext files available?
-	 *
-	 * @var boolean
-	 * @access protected
-	 */
-	protected $hasFulltext = FALSE;
-
-	/**
-	 * Last searched logical and physical page
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $lastSearchedPhysicalPage = array ('logicalPage' => NULL, 'physicalPage' => NULL);
-
-	/**
-	 * This holds the documents location
-	 *
-	 * @var	string
-	 * @access protected
-	 */
-	protected $location = '';
-
-	/**
-	 * This holds the logical units
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $logicalUnits = array ();
-
-	/**
-	 * This holds the documents' parsed metadata array with their corresponding structMap//div's ID as array key
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $metadataArray = array ();
-
-	/**
-	 * Is the metadata array loaded?
-	 * @see $metadataArray
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $metadataArrayLoaded = FALSE;
-
-	/**
-	 * This holds the XML file's METS part as SimpleXMLElement object
-	 *
-	 * @var	SimpleXMLElement
-	 * @access protected
-	 */
-	protected $mets;
-
-	/**
-	 * The holds the total number of pages
-	 *
-	 * @var	integer
-	 * @access protected
-	 */
-	protected $numPages = 0;
-
-	/**
-	 * This holds the UID of the parent document or zero if not multi-volumed
-	 *
-	 * @var	integer
-	 * @access protected
-	 */
-	protected $parentId = 0;
-
-	/**
-	 * This holds the physical structure
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $physicalStructure = array ();
-
-	/**
-	 * This holds the physical structure metadata
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $physicalStructureInfo = array ();
-
-	/**
-	 * Is the physical structure loaded?
-	 * @see $physicalStructure
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $physicalStructureLoaded = FALSE;
-
-	/**
-	 * This holds the PID of the document or zero if not in database
-	 *
-	 * @var	integer
-	 * @access protected
-	 */
-	protected $pid = 0;
-
-	/**
-	 * Is the document instantiated successfully?
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $ready = FALSE;
-
-	/**
-	 * The METS file's record identifier
-	 *
-	 * @var	string
-	 * @access protected
-	 */
-	protected $recordId;
-
-	/**
-	 * This holds the singleton object of the document
-	 *
-	 * @var	array (tx_dlf_document)
-	 * @access protected
-	 */
-	protected static $registry = array ();
-
-	/**
-	 * This holds the UID of the root document or zero if not multi-volumed
-	 *
-	 * @var	integer
-	 * @access protected
-	 */
-	protected $rootId = 0;
-
-	/**
-	 * Is the root id loaded?
-	 * @see $rootId
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $rootIdLoaded = FALSE;
-
-	/**
-	 * This holds the smLinks between logical and physical structMap
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $smLinks = array ('l2p' => array (), 'p2l' => array ());
-
-	/**
-	 * Are the smLinks loaded?
-	 * @see $smLinks
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $smLinksLoaded = FALSE;
-
-	/**
-	 * This holds the logical structure
-	 *
-	 * @var	array
-	 * @access protected
-	 */
-	protected $tableOfContents = array ();
-
-	/**
-	 * Is the table of contents loaded?
-	 * @see $tableOfContents
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $tableOfContentsLoaded = FALSE;
-
-	/**
-	 * This holds the document's thumbnail location.
-	 *
-	 * @var	string
-	 * @access protected
-	 */
-	protected $thumbnail = '';
-
-	/**
-	 * Is the document's thumbnail location loaded?
-	 * @see $thumbnail
-	 *
-	 * @var	boolean
-	 * @access protected
-	 */
-	protected $thumbnailLoaded = FALSE;
-
-	/**
-	 * This holds the toplevel structure's @ID
-	 *
-	 * @var	string
-	 * @access protected
-	 */
-	protected $toplevelId = '';
-
-	/**
-	 * This holds the UID or the URL of the document
-	 *
-	 * @var	mixed
-	 * @access protected
-	 */
-	protected $uid = 0;
-
-	/**
-	 * This holds the whole XML file as SimpleXMLElement object
-	 *
-	 * @var	SimpleXMLElement
-	 * @access protected
-	 */
-	protected $xml;
-
-	/**
-	 * This clears the static registry to prevent memory exhaustion
-	 *
-	 * @access	public
-	 *
-	 * @return	void
-	 */
-	public static function clearRegistry() {
-
-		// Reset registry array.
-		self::$registry = array ();
-
-	}
-
-	/**
-	 * This gets the location of a file representing a physical page or track
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$id: The @ID attribute of the file node
-	 *
-	 * @return	string		The file's location as URL
-	 */
-	public function getFileLocation($id) {
+    /**
+     * This holds the whole XML file as string for serialization purposes
+     * @see __sleep() / __wakeup()
+     *
+     * @var	string
+     * @access protected
+     */
+    protected $asXML = '';
+
+    /**
+     * This holds the PID for the configuration
+     *
+     * @var	integer
+     * @access protected
+     */
+    protected $cPid = 0;
+
+    /**
+     * This holds the XML file's dmdSec parts with their IDs as array key
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $dmdSec = array ();
+
+    /**
+     * Are the METS file's dmdSecs loaded?
+     * @see $dmdSec
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $dmdSecLoaded = FALSE;
+
+    /**
+     * The extension key
+     *
+     * @var	string
+     * @access public
+     */
+    public static $extKey = 'dlf';
+
+    /**
+     * This holds the file ID -> USE concordance
+     * @see _getFileGrps()
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $fileGrps = array ();
+
+    /**
+     * Are the file groups loaded?
+     * @see $fileGrps
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $fileGrpsLoaded = FALSE;
+
+    /**
+     * This holds the configuration for all supported metadata encodings
+     * @see loadFormats()
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $formats = array (
+        'METS' => array (
+            'rootElement' => 'mets',
+            'namespaceURI' => 'http://www.loc.gov/METS/',
+        ),
+        'XLINK' => array (
+            'rootElement' => 'xlink',
+            'namespaceURI' => 'http://www.w3.org/1999/xlink',
+        )
+    );
+
+    /**
+     * Are the available metadata formats loaded?
+     * @see $formats
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $formatsLoaded = FALSE;
+
+    /**
+     * Are there any fulltext files available?
+     *
+     * @var boolean
+     * @access protected
+     */
+    protected $hasFulltext = FALSE;
+
+    /**
+     * Last searched logical and physical page
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $lastSearchedPhysicalPage = array ('logicalPage' => NULL, 'physicalPage' => NULL);
+
+    /**
+     * This holds the documents location
+     *
+     * @var	string
+     * @access protected
+     */
+    protected $location = '';
+
+    /**
+     * This holds the logical units
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $logicalUnits = array ();
+
+    /**
+     * This holds the documents' parsed metadata array with their corresponding structMap//div's ID as array key
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $metadataArray = array ();
+
+    /**
+     * Is the metadata array loaded?
+     * @see $metadataArray
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $metadataArrayLoaded = FALSE;
+
+    /**
+     * This holds the XML file's METS part as SimpleXMLElement object
+     *
+     * @var	SimpleXMLElement
+     * @access protected
+     */
+    protected $mets;
+
+    /**
+     * The holds the total number of pages
+     *
+     * @var	integer
+     * @access protected
+     */
+    protected $numPages = 0;
+
+    /**
+     * This holds the UID of the parent document or zero if not multi-volumed
+     *
+     * @var	integer
+     * @access protected
+     */
+    protected $parentId = 0;
+
+    /**
+     * This holds the physical structure
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $physicalStructure = array ();
+
+    /**
+     * This holds the physical structure metadata
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $physicalStructureInfo = array ();
+
+    /**
+     * Is the physical structure loaded?
+     * @see $physicalStructure
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $physicalStructureLoaded = FALSE;
+
+    /**
+     * This holds the PID of the document or zero if not in database
+     *
+     * @var	integer
+     * @access protected
+     */
+    protected $pid = 0;
+
+    /**
+     * Is the document instantiated successfully?
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $ready = FALSE;
+
+    /**
+     * The METS file's record identifier
+     *
+     * @var	string
+     * @access protected
+     */
+    protected $recordId;
+
+    /**
+     * This holds the singleton object of the document
+     *
+     * @var	array (tx_dlf_document)
+     * @access protected
+     */
+    protected static $registry = array ();
+
+    /**
+     * This holds the UID of the root document or zero if not multi-volumed
+     *
+     * @var	integer
+     * @access protected
+     */
+    protected $rootId = 0;
+
+    /**
+     * Is the root id loaded?
+     * @see $rootId
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $rootIdLoaded = FALSE;
+
+    /**
+     * This holds the smLinks between logical and physical structMap
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $smLinks = array ('l2p' => array (), 'p2l' => array ());
+
+    /**
+     * Are the smLinks loaded?
+     * @see $smLinks
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $smLinksLoaded = FALSE;
+
+    /**
+     * This holds the logical structure
+     *
+     * @var	array
+     * @access protected
+     */
+    protected $tableOfContents = array ();
+
+    /**
+     * Is the table of contents loaded?
+     * @see $tableOfContents
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $tableOfContentsLoaded = FALSE;
+
+    /**
+     * This holds the document's thumbnail location.
+     *
+     * @var	string
+     * @access protected
+     */
+    protected $thumbnail = '';
+
+    /**
+     * Is the document's thumbnail location loaded?
+     * @see $thumbnail
+     *
+     * @var	boolean
+     * @access protected
+     */
+    protected $thumbnailLoaded = FALSE;
+
+    /**
+     * This holds the toplevel structure's @ID
+     *
+     * @var	string
+     * @access protected
+     */
+    protected $toplevelId = '';
+
+    /**
+     * This holds the UID or the URL of the document
+     *
+     * @var	mixed
+     * @access protected
+     */
+    protected $uid = 0;
+
+    /**
+     * This holds the whole XML file as SimpleXMLElement object
+     *
+     * @var	SimpleXMLElement
+     * @access protected
+     */
+    protected $xml;
+
+    /**
+     * This clears the static registry to prevent memory exhaustion
+     *
+     * @access	public
+     *
+     * @return	void
+     */
+    public static function clearRegistry() {
+
+        // Reset registry array.
+        self::$registry = array ();
+
+    }
+
+    /**
+     * This gets the location of a file representing a physical page or track
+     *
+     * @access	public
+     *
+     * @param	string		$id: The @ID attribute of the file node
+     *
+     * @return	string		The file's location as URL
+     */
+    public function getFileLocation($id) {
 
-		if (!empty($id) && ($location = $this->mets->xpath('./mets:fileSec/mets:fileGrp/mets:file[@ID="'.$id.'"]/mets:FLocat[@LOCTYPE="URL"]'))) {
+        if (!empty($id) && ($location = $this->mets->xpath('./mets:fileSec/mets:fileGrp/mets:file[@ID="'.$id.'"]/mets:FLocat[@LOCTYPE="URL"]'))) {
 
-			return (string) $location[0]->attributes('http://www.w3.org/1999/xlink')->href;
+            return (string) $location[0]->attributes('http://www.w3.org/1999/xlink')->href;
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getFileLocation('.$id.')] There is no file node with @ID "'.$id.'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getFileLocation('.$id.')] There is no file node with @ID "'.$id.'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
 
-			}
+            }
 
-			return '';
+            return '';
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * This gets the MIME type of a file representing a physical page or track
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$id: The @ID attribute of the file node
-	 *
-	 * @return	string		The file's MIME type
-	 */
-	public function getFileMimeType($id) {
+    /**
+     * This gets the MIME type of a file representing a physical page or track
+     *
+     * @access	public
+     *
+     * @param	string		$id: The @ID attribute of the file node
+     *
+     * @return	string		The file's MIME type
+     */
+    public function getFileMimeType($id) {
 
-		if (!empty($id) && ($mimetype = $this->mets->xpath('./mets:fileSec/mets:fileGrp/mets:file[@ID="'.$id.'"]/@MIMETYPE'))) {
+        if (!empty($id) && ($mimetype = $this->mets->xpath('./mets:fileSec/mets:fileGrp/mets:file[@ID="'.$id.'"]/@MIMETYPE'))) {
 
-			return (string) $mimetype[0];
+            return (string) $mimetype[0];
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getFileMimeType('.$id.')] There is no file node with @ID "'.$id.'" or no MIME type specified', self::$extKey, SYSLOG_SEVERITY_WARNING);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getFileMimeType('.$id.')] There is no file node with @ID "'.$id.'" or no MIME type specified', self::$extKey, SYSLOG_SEVERITY_WARNING);
 
-			}
+            }
 
-			return '';
+            return '';
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * This is a singleton class, thus an instance must be created by this method
-	 *
-	 * @access	public
-	 *
-	 * @param	mixed		$uid: The unique identifier of the document to parse or URL of XML file
-	 * @param	integer		$pid: If > 0, then only document with this PID gets loaded
-	 * @param	boolean		$forceReload: Force reloading the document instead of returning the cached instance
-	 *
-	 * @return	&tx_dlf_document		Instance of this class
-	 */
-	public static function &getInstance($uid, $pid = 0, $forceReload = FALSE) {
+    /**
+     * This is a singleton class, thus an instance must be created by this method
+     *
+     * @access	public
+     *
+     * @param	mixed		$uid: The unique identifier of the document to parse or URL of XML file
+     * @param	integer		$pid: If > 0, then only document with this PID gets loaded
+     * @param	boolean		$forceReload: Force reloading the document instead of returning the cached instance
+     *
+     * @return	&tx_dlf_document		Instance of this class
+     */
+    public static function &getInstance($uid, $pid = 0, $forceReload = FALSE) {
 
-		// Sanitize input.
-		$pid = max(intval($pid), 0);
+        // Sanitize input.
+        $pid = max(intval($pid), 0);
 
-		if (!$forceReload) {
+        if (!$forceReload) {
 
-			$regObj = md5($uid);
+            $regObj = md5($uid);
 
-			if (is_object(self::$registry[$regObj]) && self::$registry[$regObj] instanceof self) {
+            if (is_object(self::$registry[$regObj]) && self::$registry[$regObj] instanceof self) {
 
-				// Check if instance has given PID.
-				if (!$pid || !self::$registry[$regObj]->pid || $pid == self::$registry[$regObj]->pid) {
+                // Check if instance has given PID.
+                if (!$pid || !self::$registry[$regObj]->pid || $pid == self::$registry[$regObj]->pid) {
 
-					// Return singleton instance if available.
-					return self::$registry[$regObj];
+                    // Return singleton instance if available.
+                    return self::$registry[$regObj];
 
-				}
+                }
 
-			} else {
+            } else {
 
-				// Check the user's session...
-				$sessionData = tx_dlf_helper::loadFromSession(get_called_class());
+                // Check the user's session...
+                $sessionData = tx_dlf_helper::loadFromSession(get_called_class());
 
-				if (is_object($sessionData[$regObj]) && $sessionData[$regObj] instanceof self) {
+                if (is_object($sessionData[$regObj]) && $sessionData[$regObj] instanceof self) {
 
-					// Check if instance has given PID.
-					if (!$pid || !$sessionData[$regObj]->pid || $pid == $sessionData[$regObj]->pid) {
+                    // Check if instance has given PID.
+                    if (!$pid || !$sessionData[$regObj]->pid || $pid == $sessionData[$regObj]->pid) {
 
-						// ...and restore registry.
-						self::$registry[$regObj] = $sessionData[$regObj];
+                        // ...and restore registry.
+                        self::$registry[$regObj] = $sessionData[$regObj];
 
-						return self::$registry[$regObj];
+                        return self::$registry[$regObj];
 
-					}
+                    }
 
-				}
+                }
 
-			}
+            }
 
-		}
+        }
 
-		// Create new instance...
-		$instance = new self($uid, $pid);
+        // Create new instance...
+        $instance = new self($uid, $pid);
 
-		// ...and save it to registry.
-		if ($instance->ready) {
+        // ...and save it to registry.
+        if ($instance->ready) {
 
-			self::$registry[md5($instance->uid)] = $instance;
+            self::$registry[md5($instance->uid)] = $instance;
 
-			if ($instance->uid != $instance->location) {
+            if ($instance->uid != $instance->location) {
 
-				self::$registry[md5($instance->location)] = $instance;
+                self::$registry[md5($instance->location)] = $instance;
 
-			}
+            }
 
-			// Load extension configuration
-			$extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['dlf']);
+            // Load extension configuration
+            $extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['dlf']);
 
-			// Save registry to session if caching is enabled.
-			if (!empty($extConf['caching'])) {
+            // Save registry to session if caching is enabled.
+            if (!empty($extConf['caching'])) {
 
-				tx_dlf_helper::saveToSession(self::$registry, get_class($instance));
+                tx_dlf_helper::saveToSession(self::$registry, get_class($instance));
 
-			}
+            }
 
-		}
+        }
 
-		// Return new instance.
-		return $instance;
+        // Return new instance.
+        return $instance;
 
-	}
+    }
 
-	/**
-	 * This gets details about a logical structure element
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$id: The @ID attribute of the logical structure node
-	 * @param	boolean		$recursive: Whether to include the child elements
-	 *
-	 * @return	array		Array of the element's id, label, type and physical page indexes/mptr link
-	 */
-	public function getLogicalStructure($id, $recursive = FALSE) {
+    /**
+     * This gets details about a logical structure element
+     *
+     * @access	public
+     *
+     * @param	string		$id: The @ID attribute of the logical structure node
+     * @param	boolean		$recursive: Whether to include the child elements
+     *
+     * @return	array		Array of the element's id, label, type and physical page indexes/mptr link
+     */
+    public function getLogicalStructure($id, $recursive = FALSE) {
 
-		$details = array ();
+        $details = array ();
 
-		// Is the requested logical unit already loaded?
-		if (!$recursive && !empty($this->logicalUnits[$id])) {
+        // Is the requested logical unit already loaded?
+        if (!$recursive && !empty($this->logicalUnits[$id])) {
 
-			// Yes. Return it.
-			return $this->logicalUnits[$id];
+            // Yes. Return it.
+            return $this->logicalUnits[$id];
 
-		} elseif (!empty($id)) {
+        } elseif (!empty($id)) {
 
-			// Get specified logical unit.
-			$divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]');
+            // Get specified logical unit.
+            $divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]');
 
-		} else {
+        } else {
 
-			// Get all logical units at top level.
-			$divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]/mets:div');
+            // Get all logical units at top level.
+            $divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]/mets:div');
 
-		}
+        }
 
-		if (!empty($divs)) {
+        if (!empty($divs)) {
 
-			if (!$recursive) {
+            if (!$recursive) {
 
-				// Get the details for the first xpath hit.
-				$details = $this->getLogicalStructureInfo($divs[0]);
+                // Get the details for the first xpath hit.
+                $details = $this->getLogicalStructureInfo($divs[0]);
 
-			} else {
+            } else {
 
-				// Walk the logical structure recursively and fill the whole table of contents.
-				foreach ($divs as $div) {
+                // Walk the logical structure recursively and fill the whole table of contents.
+                foreach ($divs as $div) {
 
-					$this->tableOfContents[] = $this->getLogicalStructureInfo($div, TRUE);
+                    $this->tableOfContents[] = $this->getLogicalStructureInfo($div, TRUE);
 
-				}
+                }
 
-			}
+            }
 
-		}
+        }
 
-		return $details;
+        return $details;
 
-	}
+    }
 
-	/**
-	 * This gets details about a logical structure element
-	 *
-	 * @access	protected
-	 *
-	 * @param	SimpleXMLElement		$structure: The logical structure node
-	 * @param	boolean		$recursive: Whether to include the child elements
-	 *
-	 * @return	array		Array of the element's id, label, type and physical page indexes/mptr link
-	 */
-	protected function getLogicalStructureInfo(SimpleXMLElement $structure, $recursive = FALSE) {
+    /**
+     * This gets details about a logical structure element
+     *
+     * @access	protected
+     *
+     * @param	SimpleXMLElement		$structure: The logical structure node
+     * @param	boolean		$recursive: Whether to include the child elements
+     *
+     * @return	array		Array of the element's id, label, type and physical page indexes/mptr link
+     */
+    protected function getLogicalStructureInfo(SimpleXMLElement $structure, $recursive = FALSE) {
 
-		// Get attributes.
-		foreach ($structure->attributes() as $attribute => $value) {
+        // Get attributes.
+        foreach ($structure->attributes() as $attribute => $value) {
 
-			$attributes[$attribute] = (string) $value;
+            $attributes[$attribute] = (string) $value;
 
-		}
+        }
 
-		// Load plugin configuration.
-		$extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
+        // Load plugin configuration.
+        $extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
 
-		// Extract identity information.
-		$details = array ();
+        // Extract identity information.
+        $details = array ();
 
-		$details['id'] = $attributes['ID'];
+        $details['id'] = $attributes['ID'];
 
-		$details['dmdId'] = (isset($attributes['DMDID']) ?  $attributes['DMDID'] : '');
+        $details['dmdId'] = (isset($attributes['DMDID']) ?  $attributes['DMDID'] : '');
 
-		$details['label'] = (isset($attributes['LABEL']) ? $attributes['LABEL'] : '');
+        $details['label'] = (isset($attributes['LABEL']) ? $attributes['LABEL'] : '');
 
-		$details['orderlabel'] = (isset($attributes['ORDERLABEL']) ? $attributes['ORDERLABEL'] : '');
+        $details['orderlabel'] = (isset($attributes['ORDERLABEL']) ? $attributes['ORDERLABEL'] : '');
 
-		$details['contentIds'] = (isset($attributes['CONTENTIDS']) ? $attributes['CONTENTIDS'] : '');
+        $details['contentIds'] = (isset($attributes['CONTENTIDS']) ? $attributes['CONTENTIDS'] : '');
 
-		$details['volume'] = '';
+        $details['volume'] = '';
 
-		// Set volume information only if no label is set and this is the toplevel structure element.
-		if (empty($details['label']) && $details['id'] == $this->_getToplevelId()) {
+        // Set volume information only if no label is set and this is the toplevel structure element.
+        if (empty($details['label']) && $details['id'] == $this->_getToplevelId()) {
 
-			$metadata = $this->getMetadata($details['id']);
+            $metadata = $this->getMetadata($details['id']);
 
-			if (!empty($metadata['volume'][0])) {
+            if (!empty($metadata['volume'][0])) {
 
-				$details['volume'] = $metadata['volume'][0];
+                $details['volume'] = $metadata['volume'][0];
 
-			}
+            }
 
-		}
+        }
 
-		$details['pagination'] = '';
+        $details['pagination'] = '';
 
-		$details['type'] = $attributes['TYPE'];
+        $details['type'] = $attributes['TYPE'];
 
-		$details['thumbnailId'] = '';
+        $details['thumbnailId'] = '';
 
-		// Load smLinks.
-		$this->_getSmLinks();
+        // Load smLinks.
+        $this->_getSmLinks();
 
-		// Load physical structure.
-		$this->_getPhysicalStructure();
+        // Load physical structure.
+        $this->_getPhysicalStructure();
 
-		// Get the physical page or external file this structure element is pointing at.
-		$details['points'] = '';
+        // Get the physical page or external file this structure element is pointing at.
+        $details['points'] = '';
 
-		// Is there a mptr node?
-		if (count($structure->children('http://www.loc.gov/METS/')->mptr)) {
+        // Is there a mptr node?
+        if (count($structure->children('http://www.loc.gov/METS/')->mptr)) {
 
-			// Yes. Get the file reference.
-			$details['points'] = (string) $structure->children('http://www.loc.gov/METS/')->mptr[0]->attributes('http://www.w3.org/1999/xlink')->href;
+            // Yes. Get the file reference.
+            $details['points'] = (string) $structure->children('http://www.loc.gov/METS/')->mptr[0]->attributes('http://www.w3.org/1999/xlink')->href;
 
-		// Are there any physical elements and is this logical unit linked to at least one of them?
-		} elseif (!empty($this->physicalStructure) && array_key_exists($details['id'], $this->smLinks['l2p'])) {
+        // Are there any physical elements and is this logical unit linked to at least one of them?
+        } elseif (!empty($this->physicalStructure) && array_key_exists($details['id'], $this->smLinks['l2p'])) {
 
-			$details['points'] = max(intval(array_search($this->smLinks['l2p'][$details['id']][0], $this->physicalStructure, TRUE)), 1);
+            $details['points'] = max(intval(array_search($this->smLinks['l2p'][$details['id']][0], $this->physicalStructure, TRUE)), 1);
 
-			if (!empty($this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['files'][$extConf['fileGrpThumbs']])) {
+            if (!empty($this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['files'][$extConf['fileGrpThumbs']])) {
 
-				$details['thumbnailId'] = $this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['files'][$extConf['fileGrpThumbs']];
+                $details['thumbnailId'] = $this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['files'][$extConf['fileGrpThumbs']];
 
-			}
+            }
 
-			// Get page/track number of the first page/track related to this structure element.
-			$details['pagination'] = $this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['orderlabel'];
+            // Get page/track number of the first page/track related to this structure element.
+            $details['pagination'] = $this->physicalStructureInfo[$this->smLinks['l2p'][$details['id']][0]]['orderlabel'];
 
-		// Is this the toplevel structure element?
-		} elseif ($details['id'] == $this->_getToplevelId()) {
+        // Is this the toplevel structure element?
+        } elseif ($details['id'] == $this->_getToplevelId()) {
 
-			// Yes. Point to itself.
-			$details['points'] = 1;
+            // Yes. Point to itself.
+            $details['points'] = 1;
 
-			if (!empty($this->physicalStructure) && !empty($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']])) {
+            if (!empty($this->physicalStructure) && !empty($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']])) {
 
-				$details['thumbnailId'] = $this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']];
+                $details['thumbnailId'] = $this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']];
 
-			}
+            }
 
-		}
+        }
 
-		// Get the files this structure element is pointing at.
-		$details['files'] = array ();
+        // Get the files this structure element is pointing at.
+        $details['files'] = array ();
 
-		$fileUse = $this->_getFileGrps();
+        $fileUse = $this->_getFileGrps();
 
-		// Get the file representations from fileSec node.
-		foreach ($structure->children('http://www.loc.gov/METS/')->fptr as $fptr) {
+        // Get the file representations from fileSec node.
+        foreach ($structure->children('http://www.loc.gov/METS/')->fptr as $fptr) {
 
-			// Check if file has valid @USE attribute.
-			if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) {
+            // Check if file has valid @USE attribute.
+            if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) {
 
-				$details['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID;
+                $details['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID;
 
-			}
+            }
 
-		}
+        }
 
-		// Keep for later usage.
-		$this->logicalUnits[$details['id']] = $details;
+        // Keep for later usage.
+        $this->logicalUnits[$details['id']] = $details;
 
-		// Walk the structure recursively? And are there any children of the current element?
-		if ($recursive && count($structure->children('http://www.loc.gov/METS/')->div)) {
+        // Walk the structure recursively? And are there any children of the current element?
+        if ($recursive && count($structure->children('http://www.loc.gov/METS/')->div)) {
 
-			$details['children'] = array ();
+            $details['children'] = array ();
 
-			foreach ($structure->children('http://www.loc.gov/METS/')->div as $child) {
+            foreach ($structure->children('http://www.loc.gov/METS/')->div as $child) {
 
-				// Repeat for all children.
-				$details['children'][] = $this->getLogicalStructureInfo($child, TRUE);
+                // Repeat for all children.
+                $details['children'][] = $this->getLogicalStructureInfo($child, TRUE);
 
-			}
+            }
 
-		}
+        }
 
-		return $details;
+        return $details;
 
-	}
+    }
 
-	/**
-	 * This extracts all the metadata for a logical structure node
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$id: The @ID attribute of the logical structure node
-	 * @param	integer		$cPid: The PID for the metadata definitions
-	 * 						(defaults to $this->cPid or $this->pid)
-	 *
-	 * @return	array		The logical structure node's parsed metadata array
-	 */
-	public function getMetadata($id, $cPid = 0) {
+    /**
+     * This extracts all the metadata for a logical structure node
+     *
+     * @access	public
+     *
+     * @param	string		$id: The @ID attribute of the logical structure node
+     * @param	integer		$cPid: The PID for the metadata definitions
+     * 						(defaults to $this->cPid or $this->pid)
+     *
+     * @return	array		The logical structure node's parsed metadata array
+     */
+    public function getMetadata($id, $cPid = 0) {
 
-		// Save parameter for logging purposes.
-		$_cPid = $cPid;
+        // Save parameter for logging purposes.
+        $_cPid = $cPid;
 
-		// Make sure $cPid is a non-negative integer.
-		$cPid = max(intval($cPid), 0);
+        // Make sure $cPid is a non-negative integer.
+        $cPid = max(intval($cPid), 0);
 
-		// If $cPid is not given, try to get it elsewhere.
-		if (!$cPid && ($this->cPid || $this->pid)) {
+        // If $cPid is not given, try to get it elsewhere.
+        if (!$cPid && ($this->cPid || $this->pid)) {
 
-			// Retain current PID.
-			$cPid = ($this->cPid ? $this->cPid : $this->pid);
+            // Retain current PID.
+            $cPid = ($this->cPid ? $this->cPid : $this->pid);
 
-		} elseif (!$cPid) {
+        } elseif (!$cPid) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getMetadata('.$id.', '.$_cPid.')] Invalid PID "'.$cPid.'" for metadata definitions', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getMetadata('.$id.', '.$_cPid.')] Invalid PID "'.$cPid.'" for metadata definitions', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			return array ();
+            return array ();
 
-		}
+        }
 
-		// Get metadata from parsed metadata array if available.
-		if (!empty($this->metadataArray[$id]) && $this->metadataArray[0] == $cPid) {
+        // Get metadata from parsed metadata array if available.
+        if (!empty($this->metadataArray[$id]) && $this->metadataArray[0] == $cPid) {
 
-			return $this->metadataArray[$id];
+            return $this->metadataArray[$id];
 
-		}
+        }
 
-		// Initialize metadata array with empty values.
-		$metadata = array (
-			'title' => array (),
-			'title_sorting' => array (),
-			'author' => array (),
-			'place' => array (),
-			'year' => array (),
-			'prod_id' => array (),
-			'record_id' => array (),
-			'opac_id' => array (),
-			'union_id' => array (),
-			'urn' => array (),
-			'purl' => array (),
-			'type' => array (),
-			'volume' => array (),
-			'volume_sorting' => array (),
-			'collection' => array (),
-			'owner' => array (),
-		);
+        // Initialize metadata array with empty values.
+        $metadata = array (
+            'title' => array (),
+            'title_sorting' => array (),
+            'author' => array (),
+            'place' => array (),
+            'year' => array (),
+            'prod_id' => array (),
+            'record_id' => array (),
+            'opac_id' => array (),
+            'union_id' => array (),
+            'urn' => array (),
+            'purl' => array (),
+            'type' => array (),
+            'volume' => array (),
+            'volume_sorting' => array (),
+            'collection' => array (),
+            'owner' => array (),
+        );
 
-		// Get the logical structure node's DMDID.
-		if (!empty($this->logicalUnits[$id])) {
+        // Get the logical structure node's DMDID.
+        if (!empty($this->logicalUnits[$id])) {
 
-			$dmdId = $this->logicalUnits[$id]['dmdId'];
+            $dmdId = $this->logicalUnits[$id]['dmdId'];
 
-		} else {
+        } else {
 
-			$dmdId = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]/@DMDID');
+            $dmdId = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]/@DMDID');
 
-			$dmdId = (string) $dmdId[0];
+            $dmdId = (string) $dmdId[0];
 
-		}
+        }
 
-		if (!empty($dmdId)) {
+        if (!empty($dmdId)) {
 
-			// Load available metadata formats and dmdSecs.
-			$this->loadFormats();
+            // Load available metadata formats and dmdSecs.
+            $this->loadFormats();
 
-			$this->_getDmdSec();
+            $this->_getDmdSec();
 
-			// Is this metadata format supported?
-			if (!empty($this->formats[$this->dmdSec[$dmdId]['type']])) {
+            // Is this metadata format supported?
+            if (!empty($this->formats[$this->dmdSec[$dmdId]['type']])) {
 
-				if (!empty($this->formats[$this->dmdSec[$dmdId]['type']]['class'])) {
+                if (!empty($this->formats[$this->dmdSec[$dmdId]['type']]['class'])) {
 
-					$class = $this->formats[$this->dmdSec[$dmdId]['type']]['class'];
+                    $class = $this->formats[$this->dmdSec[$dmdId]['type']]['class'];
 
-					// Get the metadata from class.
-					if (class_exists($class) && ($obj = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance($class)) instanceof tx_dlf_format) {
+                    // Get the metadata from class.
+                    if (class_exists($class) && ($obj = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance($class)) instanceof tx_dlf_format) {
 
-						$obj->extractMetadata($this->dmdSec[$dmdId]['xml'], $metadata);
+                        $obj->extractMetadata($this->dmdSec[$dmdId]['xml'], $metadata);
 
-					} else {
+                    } else {
 
-						if (TYPO3_DLOG) {
+                        if (TYPO3_DLOG) {
 
-							\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getMetadata('.$id.', '.$_cPid.')] Invalid class/method "'.$class.'->extractMetadata()" for metadata format "'.$this->dmdSec[$dmdId]['type'].'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
+                            \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getMetadata('.$id.', '.$_cPid.')] Invalid class/method "'.$class.'->extractMetadata()" for metadata format "'.$this->dmdSec[$dmdId]['type'].'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
 
-						}
+                        }
 
-					}
+                    }
 
-				}
+                }
 
-			} else {
+            } else {
 
-				if (TYPO3_DLOG) {
+                if (TYPO3_DLOG) {
 
-					\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getMetadata('.$id.', '.$_cPid.')] Unsupported metadata format "'.$this->dmdSec[$dmdId]['type'].'" in dmdSec with @ID "'.$dmdId.'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
+                    \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getMetadata('.$id.', '.$_cPid.')] Unsupported metadata format "'.$this->dmdSec[$dmdId]['type'].'" in dmdSec with @ID "'.$dmdId.'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
 
-				}
+                }
 
-				return array ();
+                return array ();
 
-			}
+            }
 
-			// Get the structure's type.
-			if (!empty($this->logicalUnits[$id])) {
+            // Get the structure's type.
+            if (!empty($this->logicalUnits[$id])) {
 
-				$metadata['type'] = array ($this->logicalUnits[$id]['type']);
+                $metadata['type'] = array ($this->logicalUnits[$id]['type']);
 
-			} else {
+            } else {
 
-				$struct = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]/@TYPE');
+                $struct = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$id.'"]/@TYPE');
 
-				$metadata['type'] = array ((string) $struct[0]);
+                $metadata['type'] = array ((string) $struct[0]);
 
-			}
+            }
 
-			// Get the additional metadata from database.
-			$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-				'tx_dlf_metadata.index_name AS index_name,tx_dlf_metadataformat.xpath AS xpath,tx_dlf_metadataformat.xpath_sorting AS xpath_sorting,tx_dlf_metadata.is_sortable AS is_sortable,tx_dlf_metadata.default_value AS default_value,tx_dlf_metadata.format AS format',
-				'tx_dlf_metadata,tx_dlf_metadataformat,tx_dlf_formats',
-				'tx_dlf_metadata.pid='.$cPid.' AND tx_dlf_metadataformat.pid='.$cPid.' AND ((tx_dlf_metadata.uid=tx_dlf_metadataformat.parent_id AND tx_dlf_metadataformat.encoded=tx_dlf_formats.uid AND tx_dlf_formats.type='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->dmdSec[$dmdId]['type'], 'tx_dlf_formats').') OR tx_dlf_metadata.format=0)'.tx_dlf_helper::whereClause('tx_dlf_metadata', TRUE).tx_dlf_helper::whereClause('tx_dlf_metadataformat').tx_dlf_helper::whereClause('tx_dlf_formats'),
-				'',
-				'',
-				''
-			);
+            // Get the additional metadata from database.
+            $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+                'tx_dlf_metadata.index_name AS index_name,tx_dlf_metadataformat.xpath AS xpath,tx_dlf_metadataformat.xpath_sorting AS xpath_sorting,tx_dlf_metadata.is_sortable AS is_sortable,tx_dlf_metadata.default_value AS default_value,tx_dlf_metadata.format AS format',
+                'tx_dlf_metadata,tx_dlf_metadataformat,tx_dlf_formats',
+                'tx_dlf_metadata.pid='.$cPid.' AND tx_dlf_metadataformat.pid='.$cPid.' AND ((tx_dlf_metadata.uid=tx_dlf_metadataformat.parent_id AND tx_dlf_metadataformat.encoded=tx_dlf_formats.uid AND tx_dlf_formats.type='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->dmdSec[$dmdId]['type'], 'tx_dlf_formats').') OR tx_dlf_metadata.format=0)'.tx_dlf_helper::whereClause('tx_dlf_metadata', TRUE).tx_dlf_helper::whereClause('tx_dlf_metadataformat').tx_dlf_helper::whereClause('tx_dlf_formats'),
+                '',
+                '',
+                ''
+            );
 
-			// We need a DOMDocument here, because SimpleXML doesn't support XPath functions properly.
-			$domNode = dom_import_simplexml($this->dmdSec[$dmdId]['xml']);
+            // We need a DOMDocument here, because SimpleXML doesn't support XPath functions properly.
+            $domNode = dom_import_simplexml($this->dmdSec[$dmdId]['xml']);
 
-			$domXPath = new DOMXPath($domNode->ownerDocument);
+            $domXPath = new DOMXPath($domNode->ownerDocument);
 
-			$this->registerNamespaces($domXPath);
+            $this->registerNamespaces($domXPath);
 
-			// OK, now make the XPath queries.
-			while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
+            // OK, now make the XPath queries.
+            while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
 
-				// Set metadata field's value(s).
-				if ($resArray['format'] > 0 && !empty($resArray['xpath']) && ($values = $domXPath->evaluate($resArray['xpath'], $domNode))) {
+                // Set metadata field's value(s).
+                if ($resArray['format'] > 0 && !empty($resArray['xpath']) && ($values = $domXPath->evaluate($resArray['xpath'], $domNode))) {
 
-					if ($values instanceof DOMNodeList && $values->length > 0) {
+                    if ($values instanceof DOMNodeList && $values->length > 0) {
 
-						$metadata[$resArray['index_name']] = array ();
+                        $metadata[$resArray['index_name']] = array ();
 
-						foreach ($values as $value) {
+                        foreach ($values as $value) {
 
-							$metadata[$resArray['index_name']][] = trim((string) $value->nodeValue);
+                            $metadata[$resArray['index_name']][] = trim((string) $value->nodeValue);
 
-						}
+                        }
 
-					} elseif (!($values instanceof DOMNodeList)) {
+                    } elseif (!($values instanceof DOMNodeList)) {
 
-						$metadata[$resArray['index_name']] = array (trim((string) $values));
+                        $metadata[$resArray['index_name']] = array (trim((string) $values));
 
-					}
+                    }
 
-				}
+                }
 
-				// Set default value if applicable.
-				if (empty($metadata[$resArray['index_name']][0]) && $resArray['default_value']) {
+                // Set default value if applicable.
+                if (empty($metadata[$resArray['index_name']][0]) && $resArray['default_value']) {
 
-					$metadata[$resArray['index_name']] = array ($resArray['default_value']);
+                    $metadata[$resArray['index_name']] = array ($resArray['default_value']);
 
-				}
+                }
 
-				// Set sorting value if applicable.
-				if (!empty($metadata[$resArray['index_name']]) && $resArray['is_sortable']) {
+                // Set sorting value if applicable.
+                if (!empty($metadata[$resArray['index_name']]) && $resArray['is_sortable']) {
 
-					if ($resArray['format'] > 0 && !empty($resArray['xpath_sorting']) && ($values = $domXPath->evaluate($resArray['xpath_sorting'], $domNode))) {
+                    if ($resArray['format'] > 0 && !empty($resArray['xpath_sorting']) && ($values = $domXPath->evaluate($resArray['xpath_sorting'], $domNode))) {
 
-						if ($values instanceof DOMNodeList && $values->length > 0) {
+                        if ($values instanceof DOMNodeList && $values->length > 0) {
 
-							$metadata[$resArray['index_name'].'_sorting'][0] = trim((string) $values->item(0)->nodeValue);
+                            $metadata[$resArray['index_name'].'_sorting'][0] = trim((string) $values->item(0)->nodeValue);
 
-						} elseif (!($values instanceof DOMNodeList)) {
+                        } elseif (!($values instanceof DOMNodeList)) {
 
-							$metadata[$resArray['index_name'].'_sorting'][0] = trim((string) $values);
+                            $metadata[$resArray['index_name'].'_sorting'][0] = trim((string) $values);
 
-						}
+                        }
 
-					}
+                    }
 
-					if (empty($metadata[$resArray['index_name'].'_sorting'][0])) {
+                    if (empty($metadata[$resArray['index_name'].'_sorting'][0])) {
 
-						$metadata[$resArray['index_name'].'_sorting'][0] = $metadata[$resArray['index_name']][0];
+                        $metadata[$resArray['index_name'].'_sorting'][0] = $metadata[$resArray['index_name']][0];
 
-					}
+                    }
 
-				}
+                }
 
-			}
+            }
 
-			// Set title to empty string if not present.
-			if (empty($metadata['title'][0])) {
+            // Set title to empty string if not present.
+            if (empty($metadata['title'][0])) {
 
-				$metadata['title'][0] = '';
+                $metadata['title'][0] = '';
 
-				$metadata['title_sorting'][0] = '';
+                $metadata['title_sorting'][0] = '';
 
-			}
+            }
 
-		} else {
+        } else {
 
-			// There is no dmdSec for this structure node.
-			return array ();
+            // There is no dmdSec for this structure node.
+            return array ();
 
-		}
+        }
 
-		return $metadata;
+        return $metadata;
 
-	}
+    }
 
-	/**
-	 * This returns the first corresponding physical page number of a given logical page label
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$logicalPage: The label (or a part of the label) of the logical page
-	 *
-	 * @return	integer		The physical page number
-	 */
-	public function getPhysicalPage($logicalPage) {
+    /**
+     * This returns the first corresponding physical page number of a given logical page label
+     *
+     * @access	public
+     *
+     * @param	string		$logicalPage: The label (or a part of the label) of the logical page
+     *
+     * @return	integer		The physical page number
+     */
+    public function getPhysicalPage($logicalPage) {
 
-		if(!empty( $this->lastSearchedPhysicalPage['logicalPage']) &&  $this->lastSearchedPhysicalPage['logicalPage'] == $logicalPage) {
+        if(!empty( $this->lastSearchedPhysicalPage['logicalPage']) &&  $this->lastSearchedPhysicalPage['logicalPage'] == $logicalPage) {
 
-			return $this->lastSearchedPhysicalPage['physicalPage'];
+            return $this->lastSearchedPhysicalPage['physicalPage'];
 
-		} else {
+        } else {
 
-			$physicalPage = 0;
+            $physicalPage = 0;
 
-			foreach($this->physicalStructureInfo as $page) {
+            foreach($this->physicalStructureInfo as $page) {
 
-				if(strpos($page['orderlabel'], $logicalPage) !== false){
+                if(strpos($page['orderlabel'], $logicalPage) !== false){
 
-					$this->lastSearchedPhysicalPage['logicalPage'] = $logicalPage;
-					$this->lastSearchedPhysicalPage['physicalPage'] = $physicalPage;
+                    $this->lastSearchedPhysicalPage['logicalPage'] = $logicalPage;
+                    $this->lastSearchedPhysicalPage['physicalPage'] = $physicalPage;
 
-					return $physicalPage;
+                    return $physicalPage;
 
-				}
+                }
 
-				$physicalPage++;
+                $physicalPage++;
 
-			}
+            }
 
-		}
+        }
 
-		return 1;
+        return 1;
 
-	}
+    }
 	
-	/**
-	 * This determines a title for the given document
-	 *
-	 * @access	public
-	 *
-	 * @param	integer		$uid: The UID of the document
-	 * @param	boolean		$recursive: Search superior documents for a title, too?
-	 *
-	 * @return	string		The title of the document itself or a parent document
-	 */
-	public static function getTitle($uid, $recursive = FALSE) {
+    /**
+     * This determines a title for the given document
+     *
+     * @access	public
+     *
+     * @param	integer		$uid: The UID of the document
+     * @param	boolean		$recursive: Search superior documents for a title, too?
+     *
+     * @return	string		The title of the document itself or a parent document
+     */
+    public static function getTitle($uid, $recursive = FALSE) {
 
-		// Save parameter for logging purposes.
-		$_uid = $uid;
+        // Save parameter for logging purposes.
+        $_uid = $uid;
 
-		$title = '';
+        $title = '';
 
-		// Sanitize input.
-		$uid = max(intval($uid), 0);
+        // Sanitize input.
+        $uid = max(intval($uid), 0);
 
-		if ($uid) {
+        if ($uid) {
 
-			$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-				'tx_dlf_documents.title,tx_dlf_documents.partof',
-				'tx_dlf_documents',
-				'tx_dlf_documents.uid='.$uid.tx_dlf_helper::whereClause('tx_dlf_documents'),
-				'',
-				'',
-				'1'
-			);
+            $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+                'tx_dlf_documents.title,tx_dlf_documents.partof',
+                'tx_dlf_documents',
+                'tx_dlf_documents.uid='.$uid.tx_dlf_helper::whereClause('tx_dlf_documents'),
+                '',
+                '',
+                '1'
+            );
 
-			if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
+            if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
 
-				// Get title information.
-				list ($title, $partof) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
+                // Get title information.
+                list ($title, $partof) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
 
-				// Search parent documents recursively for a title?
-				if ($recursive && empty($title) && intval($partof) && $partof != $uid) {
+                // Search parent documents recursively for a title?
+                if ($recursive && empty($title) && intval($partof) && $partof != $uid) {
 
-					$title = self::getTitle($partof, TRUE);
+                    $title = self::getTitle($partof, TRUE);
 
-				}
+                }
 
-			} else {
+            } else {
 
-				if (TYPO3_DLOG) {
+                if (TYPO3_DLOG) {
 
-					\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getTitle('.$_uid.', ['.($recursive ? 'TRUE' : 'FALSE').'])] No document with UID "'.$uid.'" found or document not accessible', self::$extKey, SYSLOG_SEVERITY_WARNING);
+                    \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getTitle('.$_uid.', ['.($recursive ? 'TRUE' : 'FALSE').'])] No document with UID "'.$uid.'" found or document not accessible', self::$extKey, SYSLOG_SEVERITY_WARNING);
 
-				}
+                }
 
-			}
+            }
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getTitle('.$_uid.', ['.($recursive ? 'TRUE' : 'FALSE').'])] Invalid UID "'.$uid.'" for document', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getTitle('.$_uid.', ['.($recursive ? 'TRUE' : 'FALSE').'])] Invalid UID "'.$uid.'" for document', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-		}
+        }
 
-		return $title;
+        return $title;
 
-	}
+    }
 
-	/**
-	 * This extracts all the metadata for the toplevel logical structure node
-	 *
-	 * @access	public
-	 *
-	 * @param	integer		$cPid: The PID for the metadata definitions
-	 *
-	 * @return	array		The logical structure node's parsed metadata array
-	 */
-	public function getTitledata($cPid = 0) {
+    /**
+     * This extracts all the metadata for the toplevel logical structure node
+     *
+     * @access	public
+     *
+     * @param	integer		$cPid: The PID for the metadata definitions
+     *
+     * @return	array		The logical structure node's parsed metadata array
+     */
+    public function getTitledata($cPid = 0) {
 
-		$titledata = $this->getMetadata($this->_getToplevelId(), $cPid);
+        $titledata = $this->getMetadata($this->_getToplevelId(), $cPid);
 
-		// Set record identifier for METS file if not present.
-		if (is_array($titledata) && array_key_exists('record_id', $titledata)) {
+        // Set record identifier for METS file if not present.
+        if (is_array($titledata) && array_key_exists('record_id', $titledata)) {
 
-			if (!in_array($this->recordId, $titledata['record_id'])) {
+            if (!in_array($this->recordId, $titledata['record_id'])) {
 
-				array_unshift($titledata['record_id'], $this->recordId);
+                array_unshift($titledata['record_id'], $this->recordId);
 
-			}
+            }
 
-		};
+        };
 
-		return $titledata;
+        return $titledata;
 
-	}
+    }
 
-	/**
-	 * This sets some basic class properties
-	 *
-	 * @access	protected
-	 *
-	 * @return	void
-	 */
-	protected function init() {
+    /**
+     * This sets some basic class properties
+     *
+     * @access	protected
+     *
+     * @return	void
+     */
+    protected function init() {
 
-		// Get METS node from XML file.
-		$this->registerNamespaces($this->xml);
+        // Get METS node from XML file.
+        $this->registerNamespaces($this->xml);
 
-		$mets = $this->xml->xpath('//mets:mets');
+        $mets = $this->xml->xpath('//mets:mets');
 
-		if ($mets) {
+        if ($mets) {
 
-			$this->mets = $mets[0];
+            $this->mets = $mets[0];
 
-			// Register namespaces.
-			$this->registerNamespaces($this->mets);
+            // Register namespaces.
+            $this->registerNamespaces($this->mets);
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->init()] No METS part found in document with UID "'.$this->uid.'"', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->init()] No METS part found in document with UID "'.$this->uid.'"', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Load XML file from URL
-	 *
-	 * @access	protected
-	 *
-	 * @param	string		$location: The URL of the file to load
-	 *
-	 * @return	boolean		TRUE on success or FALSE on failure
-	 */
-	protected function load($location) {
+    /**
+     * Load XML file from URL
+     *
+     * @access	protected
+     *
+     * @param	string		$location: The URL of the file to load
+     *
+     * @return	boolean		TRUE on success or FALSE on failure
+     */
+    protected function load($location) {
 
-		// Load XML file.
-		if (\TYPO3\CMS\Core\Utility\GeneralUtility::isValidUrl($location)) {
+        // Load XML file.
+        if (\TYPO3\CMS\Core\Utility\GeneralUtility::isValidUrl($location)) {
 
-			// Load extension configuration
-			$extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['dlf']);
+            // Load extension configuration
+            $extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['dlf']);
 
-			// Set user-agent to identify self when fetching XML data.
-			if (!empty($extConf['useragent'])) {
+            // Set user-agent to identify self when fetching XML data.
+            if (!empty($extConf['useragent'])) {
 
-				@ini_set('user_agent', $extConf['useragent']);
+                @ini_set('user_agent', $extConf['useragent']);
 
-			}
+            }
 
-			// Turn off libxml's error logging.
-			$libxmlErrors = libxml_use_internal_errors(TRUE);
+            // Turn off libxml's error logging.
+            $libxmlErrors = libxml_use_internal_errors(TRUE);
 
-			// Disables the functionality to allow external entities to be loaded when parsing the XML, must be kept
-			$previousValueOfEntityLoader = libxml_disable_entity_loader(TRUE);
+            // Disables the functionality to allow external entities to be loaded when parsing the XML, must be kept
+            $previousValueOfEntityLoader = libxml_disable_entity_loader(TRUE);
 
-			// Load XML from file.
-			$xml = simplexml_load_string(\TYPO3\CMS\Core\Utility\GeneralUtility::getUrl($location));
+            // Load XML from file.
+            $xml = simplexml_load_string(\TYPO3\CMS\Core\Utility\GeneralUtility::getUrl($location));
 
-			// reset entity loader setting
-			libxml_disable_entity_loader($previousValueOfEntityLoader);
+            // reset entity loader setting
+            libxml_disable_entity_loader($previousValueOfEntityLoader);
 
-			// Reset libxml's error logging.
-			libxml_use_internal_errors($libxmlErrors);
+            // Reset libxml's error logging.
+            libxml_use_internal_errors($libxmlErrors);
 
-			// Set some basic properties.
-			if ($xml !== FALSE) {
+            // Set some basic properties.
+            if ($xml !== FALSE) {
 
-				$this->xml = $xml;
+                $this->xml = $xml;
 
-				return TRUE;
+                return TRUE;
 
-			} else {
+            } else {
 
-				if (TYPO3_DLOG) {
+                if (TYPO3_DLOG) {
 
-					\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->load('.$location.')] Could not load XML file from "'.$location.'"', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                    \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->load('.$location.')] Could not load XML file from "'.$location.'"', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-				}
+                }
 
-			}
+            }
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->load('.$location.')] Invalid file location "'.$location.'" for document loading', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->load('.$location.')] Invalid file location "'.$location.'" for document loading', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-		}
+        }
 
-		return FALSE;
+        return FALSE;
 
-	}
+    }
 
-	/**
-	 * Register all available data formats
-	 *
-	 * @access	protected
-	 *
-	 * @return	void
-	 */
-	protected function loadFormats() {
+    /**
+     * Register all available data formats
+     *
+     * @access	protected
+     *
+     * @return	void
+     */
+    protected function loadFormats() {
 
-		if (!$this->formatsLoaded) {
+        if (!$this->formatsLoaded) {
 
-			// Get available data formats from database.
-			$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-				'tx_dlf_formats.type AS type,tx_dlf_formats.root AS root,tx_dlf_formats.namespace AS namespace,tx_dlf_formats.class AS class',
-				'tx_dlf_formats',
-				'tx_dlf_formats.pid=0'.tx_dlf_helper::whereClause('tx_dlf_formats'),
-				'',
-				'',
-				''
-			);
+            // Get available data formats from database.
+            $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+                'tx_dlf_formats.type AS type,tx_dlf_formats.root AS root,tx_dlf_formats.namespace AS namespace,tx_dlf_formats.class AS class',
+                'tx_dlf_formats',
+                'tx_dlf_formats.pid=0'.tx_dlf_helper::whereClause('tx_dlf_formats'),
+                '',
+                '',
+                ''
+            );
 
-			while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
+            while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
 
-				// Update format registry.
-				$this->formats[$resArray['type']] = array (
-					'rootElement' => $resArray['root'],
-					'namespaceURI' => $resArray['namespace'],
-					'class' => $resArray['class']
-				);
+                // Update format registry.
+                $this->formats[$resArray['type']] = array (
+                    'rootElement' => $resArray['root'],
+                    'namespaceURI' => $resArray['namespace'],
+                    'class' => $resArray['class']
+                );
 
-			}
+            }
 
-			$this->formatsLoaded = TRUE;
+            $this->formatsLoaded = TRUE;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Register all available namespaces for a SimpleXMLElement object
-	 *
-	 * @access	public
-	 *
-	 * @param	SimpleXMLElement|DOMXPath		&$obj: SimpleXMLElement or DOMXPath object
-	 *
-	 * @return	void
-	 */
-	public function registerNamespaces(&$obj) {
+    /**
+     * Register all available namespaces for a SimpleXMLElement object
+     *
+     * @access	public
+     *
+     * @param	SimpleXMLElement|DOMXPath		&$obj: SimpleXMLElement or DOMXPath object
+     *
+     * @return	void
+     */
+    public function registerNamespaces(&$obj) {
 
-		$this->loadFormats();
+        $this->loadFormats();
 
-		// Do we have a SimpleXMLElement or DOMXPath object?
-		if ($obj instanceof SimpleXMLElement) {
+        // Do we have a SimpleXMLElement or DOMXPath object?
+        if ($obj instanceof SimpleXMLElement) {
 
-			$method = 'registerXPathNamespace';
+            $method = 'registerXPathNamespace';
 
-		} elseif ($obj instanceof DOMXPath) {
+        } elseif ($obj instanceof DOMXPath) {
 
-			$method = 'registerNamespace';
+            $method = 'registerNamespace';
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->registerNamespaces(['.get_class($obj).'])] Given object is neither a SimpleXMLElement nor a DOMXPath instance', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->registerNamespaces(['.get_class($obj).'])] Given object is neither a SimpleXMLElement nor a DOMXPath instance', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			return;
+            return;
 
-		}
+        }
 
-		// Register metadata format's namespaces.
-		foreach ($this->formats as $enc => $conf) {
+        // Register metadata format's namespaces.
+        foreach ($this->formats as $enc => $conf) {
 
-			$obj->$method(strtolower($enc), $conf['namespaceURI']);
+            $obj->$method(strtolower($enc), $conf['namespaceURI']);
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * This saves the document to the database and index
-	 *
-	 * @access	public
-	 *
-	 * @param	integer		$pid: The PID of the saved record
-	 * @param	integer		$core: The UID of the Solr core for indexing
-	 *
-	 * @return	boolean		TRUE on success or FALSE on failure
-	 */
-	public function save($pid = 0, $core = 0) {
+    /**
+     * This saves the document to the database and index
+     *
+     * @access	public
+     *
+     * @param	integer		$pid: The PID of the saved record
+     * @param	integer		$core: The UID of the Solr core for indexing
+     *
+     * @return	boolean		TRUE on success or FALSE on failure
+     */
+    public function save($pid = 0, $core = 0) {
 
-		// Save parameters for logging purposes.
-		$_pid = $pid;
+        // Save parameters for logging purposes.
+        $_pid = $pid;
 
-		$_core = $core;
+        $_core = $core;
 
-		if (TYPO3_MODE !== 'BE') {
+        if (TYPO3_MODE !== 'BE') {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Saving a document is only allowed in the backend', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Saving a document is only allowed in the backend', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			return FALSE;
+            return FALSE;
 
-		}
+        }
 
-		// Make sure $pid is a non-negative integer.
-		$pid = max(intval($pid), 0);
+        // Make sure $pid is a non-negative integer.
+        $pid = max(intval($pid), 0);
 
-		// Make sure $core is a non-negative integer.
-		$core = max(intval($core), 0);
+        // Make sure $core is a non-negative integer.
+        $core = max(intval($core), 0);
 
-		// If $pid is not given, try to get it elsewhere.
-		if (!$pid && $this->pid) {
+        // If $pid is not given, try to get it elsewhere.
+        if (!$pid && $this->pid) {
 
-			// Retain current PID.
-			$pid = $this->pid;
+            // Retain current PID.
+            $pid = $this->pid;
 
-		} elseif (!$pid) {
+        } elseif (!$pid) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Invalid PID "'.$pid.'" for document saving', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Invalid PID "'.$pid.'" for document saving', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			return FALSE;
+            return FALSE;
 
-		}
+        }
 
-		// Set PID for metadata definitions.
-		$this->cPid = $pid;
+        // Set PID for metadata definitions.
+        $this->cPid = $pid;
 
-		// Set UID placeholder if not updating existing record.
-		if ($pid != $this->pid) {
+        // Set UID placeholder if not updating existing record.
+        if ($pid != $this->pid) {
 
-			$this->uid = uniqid('NEW');
+            $this->uid = uniqid('NEW');
 
-		}
+        }
 
-		// Get metadata array.
-		$metadata = $this->getTitledata($pid);
+        // Get metadata array.
+        $metadata = $this->getTitledata($pid);
 
-		// Check for record identifier.
-		if (empty($metadata['record_id'][0])) {
+        // Check for record identifier.
+        if (empty($metadata['record_id'][0])) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] No record identifier found to avoid duplication', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] No record identifier found to avoid duplication', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			return FALSE;
+            return FALSE;
 
-		}
+        }
 
-		// Load plugin configuration.
-		$conf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
+        // Load plugin configuration.
+        $conf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
 
-		// Get UID for user "_cli_dlf".
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-			'be_users.uid AS uid',
-			'be_users',
-			'username='.$GLOBALS['TYPO3_DB']->fullQuoteStr('_cli_dlf', 'be_users').\TYPO3\CMS\Backend\Utility\BackendUtility::BEenableFields('be_users').\TYPO3\CMS\Backend\Utility\BackendUtility::deleteClause('be_users'),
-			'',
-			'',
-			'1'
-		);
+        // Get UID for user "_cli_dlf".
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+            'be_users.uid AS uid',
+            'be_users',
+            'username='.$GLOBALS['TYPO3_DB']->fullQuoteStr('_cli_dlf', 'be_users').\TYPO3\CMS\Backend\Utility\BackendUtility::BEenableFields('be_users').\TYPO3\CMS\Backend\Utility\BackendUtility::deleteClause('be_users'),
+            '',
+            '',
+            '1'
+        );
 
-		if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
+        if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
 
-			list ($be_user) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
+            list ($be_user) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Backend user "_cli_dlf" not found or disabled', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Backend user "_cli_dlf" not found or disabled', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			return FALSE;
+            return FALSE;
 
-		}
+        }
 
-		// Get UID for structure type.
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-			'tx_dlf_structures.uid AS uid',
-			'tx_dlf_structures',
-			'tx_dlf_structures.pid='.intval($pid).' AND tx_dlf_structures.index_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures').tx_dlf_helper::whereClause('tx_dlf_structures'),
-			'',
-			'',
-			'1'
-		);
+        // Get UID for structure type.
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+            'tx_dlf_structures.uid AS uid',
+            'tx_dlf_structures',
+            'tx_dlf_structures.pid='.intval($pid).' AND tx_dlf_structures.index_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures').tx_dlf_helper::whereClause('tx_dlf_structures'),
+            '',
+            '',
+            '1'
+        );
 
-		if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
+        if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
 
-			list ($structure) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
+            list ($structure) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Could not identify document/structure type ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures'),
-									       self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Could not identify document/structure type ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures'),
+                                            self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			return FALSE;
+            return FALSE;
 
-		}
+        }
 
-		$metadata['type'][0] = $structure;
+        $metadata['type'][0] = $structure;
 
-		// Get UIDs for collections.
-		$collections = array ();
+        // Get UIDs for collections.
+        $collections = array ();
 
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-			'tx_dlf_collections.index_name AS index_name,tx_dlf_collections.uid AS uid',
-			'tx_dlf_collections',
-			'tx_dlf_collections.pid='.intval($pid).' AND tx_dlf_collections.cruser_id='.intval($be_user).' AND tx_dlf_collections.fe_cruser_id=0'.tx_dlf_helper::whereClause('tx_dlf_collections'),
-			'',
-			'',
-			''
-		);
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+            'tx_dlf_collections.index_name AS index_name,tx_dlf_collections.uid AS uid',
+            'tx_dlf_collections',
+            'tx_dlf_collections.pid='.intval($pid).' AND tx_dlf_collections.cruser_id='.intval($be_user).' AND tx_dlf_collections.fe_cruser_id=0'.tx_dlf_helper::whereClause('tx_dlf_collections'),
+            '',
+            '',
+            ''
+        );
 
-		for ($i = 0, $j = $GLOBALS['TYPO3_DB']->sql_num_rows($result); $i < $j; $i++) {
+        for ($i = 0, $j = $GLOBALS['TYPO3_DB']->sql_num_rows($result); $i < $j; $i++) {
 
-			$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result);
+            $resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result);
 
-			$collUid[$resArray['index_name']] = $resArray['uid'];
+            $collUid[$resArray['index_name']] = $resArray['uid'];
 
-		}
+        }
 
-		foreach ($metadata['collection'] as $collection) {
+        foreach ($metadata['collection'] as $collection) {
 
-			if (!empty($collUid[$collection])) {
+            if (!empty($collUid[$collection])) {
 
-				// Add existing collection's UID.
-				$collections[] = $collUid[$collection];
+                // Add existing collection's UID.
+                $collections[] = $collUid[$collection];
 
-			} else {
+            } else {
 
-				// Insert new collection.
-				$collNewUid = uniqid('NEW');
+                // Insert new collection.
+                $collNewUid = uniqid('NEW');
 
-				$collData['tx_dlf_collections'][$collNewUid] = array (
-					'pid' => $pid,
-					'label' => $collection,
-					'index_name' => $collection,
-					'oai_name' => (!empty($conf['publishNewCollections']) ? $collection : ''),
-					'description' => '',
-					'documents' => 0,
-					'owner' => 0,
-					'status' => 0,
-				);
+                $collData['tx_dlf_collections'][$collNewUid] = array (
+                    'pid' => $pid,
+                    'label' => $collection,
+                    'index_name' => $collection,
+                    'oai_name' => (!empty($conf['publishNewCollections']) ? $collection : ''),
+                    'description' => '',
+                    'documents' => 0,
+                    'owner' => 0,
+                    'status' => 0,
+                );
 
-				$substUid = tx_dlf_helper::processDB($collData);
+                $substUid = tx_dlf_helper::processDB($collData);
 
-				// Prevent double insertion.
-				unset ($collData);
+                // Prevent double insertion.
+                unset ($collData);
 
-				// Add new collection's UID.
-				$collections[] = $substUid[$collNewUid];
+                // Add new collection's UID.
+                $collections[] = $substUid[$collNewUid];
 
-				if (!defined('TYPO3_cliMode')) {
+                if (!defined('TYPO3_cliMode')) {
 
-					$message = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
-						'TYPO3\\CMS\\Core\\Messaging\\FlashMessage',
-						htmlspecialchars(sprintf(tx_dlf_helper::getLL('flash.newCollection'), $collection, $substUid[$collNewUid])),
-						tx_dlf_helper::getLL('flash.attention', TRUE),
-						\TYPO3\CMS\Core\Messaging\FlashMessage::INFO,
-						TRUE
-					);
+                    $message = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                        'TYPO3\\CMS\\Core\\Messaging\\FlashMessage',
+                        htmlspecialchars(sprintf(tx_dlf_helper::getLL('flash.newCollection'), $collection, $substUid[$collNewUid])),
+                        tx_dlf_helper::getLL('flash.attention', TRUE),
+                        \TYPO3\CMS\Core\Messaging\FlashMessage::INFO,
+                        TRUE
+                    );
 
-					tx_dlf_helper::addMessage($message);
+                    tx_dlf_helper::addMessage($message);
 
-				}
+                }
 
-			}
+            }
 
-		}
+        }
 
-		// Preserve user-defined collections.
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECT_mm_query(
-			'tx_dlf_collections.uid AS uid',
-			'tx_dlf_documents',
-			'tx_dlf_relations',
-			'tx_dlf_collections',
-			'AND tx_dlf_documents.pid='.intval($pid).' AND tx_dlf_collections.pid='.intval($pid).' AND tx_dlf_documents.uid='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->uid, 'tx_dlf_documents').' AND NOT (tx_dlf_collections.cruser_id='.intval($be_user).' AND tx_dlf_collections.fe_cruser_id=0) AND tx_dlf_relations.ident='.$GLOBALS['TYPO3_DB']->fullQuoteStr('docs_colls', 'tx_dlf_relations'),
-			'',
-			'',
-			''
-		);
+        // Preserve user-defined collections.
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECT_mm_query(
+            'tx_dlf_collections.uid AS uid',
+            'tx_dlf_documents',
+            'tx_dlf_relations',
+            'tx_dlf_collections',
+            'AND tx_dlf_documents.pid='.intval($pid).' AND tx_dlf_collections.pid='.intval($pid).' AND tx_dlf_documents.uid='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->uid, 'tx_dlf_documents').' AND NOT (tx_dlf_collections.cruser_id='.intval($be_user).' AND tx_dlf_collections.fe_cruser_id=0) AND tx_dlf_relations.ident='.$GLOBALS['TYPO3_DB']->fullQuoteStr('docs_colls', 'tx_dlf_relations'),
+            '',
+            '',
+            ''
+        );
 
-		for ($i = 0, $j = $GLOBALS['TYPO3_DB']->sql_num_rows($result); $i < $j; $i++) {
+        for ($i = 0, $j = $GLOBALS['TYPO3_DB']->sql_num_rows($result); $i < $j; $i++) {
 
-			list ($collections[]) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
+            list ($collections[]) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
 
-		}
+        }
 
-		$metadata['collection'] = $collections;
+        $metadata['collection'] = $collections;
 
-		// Get UID for owner.
-		$owner = !empty($metadata['owner'][0]) ? $metadata['owner'][0] : 'default';
+        // Get UID for owner.
+        $owner = !empty($metadata['owner'][0]) ? $metadata['owner'][0] : 'default';
 
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-			'tx_dlf_libraries.uid AS uid',
-			'tx_dlf_libraries',
-			'tx_dlf_libraries.pid='.intval($pid).' AND tx_dlf_libraries.index_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($owner, 'tx_dlf_libraries').tx_dlf_helper::whereClause('tx_dlf_libraries'),
-			'',
-			'',
-			'1'
-		);
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+            'tx_dlf_libraries.uid AS uid',
+            'tx_dlf_libraries',
+            'tx_dlf_libraries.pid='.intval($pid).' AND tx_dlf_libraries.index_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($owner, 'tx_dlf_libraries').tx_dlf_helper::whereClause('tx_dlf_libraries'),
+            '',
+            '',
+            '1'
+        );
 
-		if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
+        if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
 
-			list ($ownerUid) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
+            list ($ownerUid) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
 
-		} else {
+        } else {
 
-			// Insert new library.
-			$libNewUid = uniqid('NEW');
+            // Insert new library.
+            $libNewUid = uniqid('NEW');
 
-			$libData['tx_dlf_libraries'][$libNewUid] = array (
-				'pid' => $pid,
-				'label' => $owner,
-				'index_name' => $owner,
-				'website' => '',
-				'contact' => '',
-				'image' => '',
-				'oai_label' => '',
-				'oai_base' => '',
-				'opac_label' => '',
-				'opac_base' => '',
-				'union_label' => '',
-				'union_base' => '',
-			);
+            $libData['tx_dlf_libraries'][$libNewUid] = array (
+                'pid' => $pid,
+                'label' => $owner,
+                'index_name' => $owner,
+                'website' => '',
+                'contact' => '',
+                'image' => '',
+                'oai_label' => '',
+                'oai_base' => '',
+                'opac_label' => '',
+                'opac_base' => '',
+                'union_label' => '',
+                'union_base' => '',
+            );
 
-			$substUid = tx_dlf_helper::processDB($libData);
+            $substUid = tx_dlf_helper::processDB($libData);
 
-			// Add new library's UID.
-			$ownerUid = $substUid[$libNewUid];
+            // Add new library's UID.
+            $ownerUid = $substUid[$libNewUid];
 
-			if (!defined('TYPO3_cliMode')) {
+            if (!defined('TYPO3_cliMode')) {
 
-				$message = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
-					'TYPO3\\CMS\\Core\\Messaging\\FlashMessage',
-					htmlspecialchars(sprintf(tx_dlf_helper::getLL('flash.newLibrary'), $owner, $ownerUid)),
-					tx_dlf_helper::getLL('flash.attention', TRUE),
-					\TYPO3\CMS\Core\Messaging\FlashMessage::INFO,
-					TRUE
-				);
+                $message = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                    'TYPO3\\CMS\\Core\\Messaging\\FlashMessage',
+                    htmlspecialchars(sprintf(tx_dlf_helper::getLL('flash.newLibrary'), $owner, $ownerUid)),
+                    tx_dlf_helper::getLL('flash.attention', TRUE),
+                    \TYPO3\CMS\Core\Messaging\FlashMessage::INFO,
+                    TRUE
+                );
 
-				tx_dlf_helper::addMessage($message);
+                tx_dlf_helper::addMessage($message);
 
-			}
+            }
 
-		}
+        }
 
-		$metadata['owner'][0] = $ownerUid;
+        $metadata['owner'][0] = $ownerUid;
 
-		// Get UID of parent document.
-		$partof = 0;
+        // Get UID of parent document.
+        $partof = 0;
 
-		// Get the closest ancestor of the current document which has a MPTR child.
-		$parentMptr = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$this->_getToplevelId().'"]/ancestor::mets:div[./mets:mptr][1]/mets:mptr');
+        // Get the closest ancestor of the current document which has a MPTR child.
+        $parentMptr = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@ID="'.$this->_getToplevelId().'"]/ancestor::mets:div[./mets:mptr][1]/mets:mptr');
 
-		if (!empty($parentMptr[0])) {
+        if (!empty($parentMptr[0])) {
 
-			$parentLocation = (string) $parentMptr[0]->attributes('http://www.w3.org/1999/xlink')->href;
+            $parentLocation = (string) $parentMptr[0]->attributes('http://www.w3.org/1999/xlink')->href;
 
-			if ($parentLocation != $this->location) {
+            if ($parentLocation != $this->location) {
 
-				$parentDoc =& tx_dlf_document::getInstance($parentLocation, $pid);
+                $parentDoc =& tx_dlf_document::getInstance($parentLocation, $pid);
 
-				if ($parentDoc->ready) {
+                if ($parentDoc->ready) {
 
-					if ($parentDoc->pid != $pid) {
+                    if ($parentDoc->pid != $pid) {
 
-						$parentDoc->save($pid, $core);
+                        $parentDoc->save($pid, $core);
 
-					}
+                    }
 
-					$partof = $parentDoc->uid;
+                    $partof = $parentDoc->uid;
 
-				}
+                }
 
-			}
+            }
 
-		}
+        }
 
-		// Use the date of publication or title as alternative sorting metric for parts of multi-part works.
-		if (!empty($partof)) {
+        // Use the date of publication or title as alternative sorting metric for parts of multi-part works.
+        if (!empty($partof)) {
 
-			if (empty($metadata['volume'][0]) && !empty($metadata['year'][0])) {
+            if (empty($metadata['volume'][0]) && !empty($metadata['year'][0])) {
 
-				$metadata['volume'] = $metadata['year'];
+                $metadata['volume'] = $metadata['year'];
 
-			}
+            }
 
-			if (empty($metadata['volume_sorting'][0])) {
+            if (empty($metadata['volume_sorting'][0])) {
 
-				if (!empty($metadata['year_sorting'][0])) {
+                if (!empty($metadata['year_sorting'][0])) {
 
-					$metadata['volume_sorting'][0] = $metadata['year_sorting'][0];
+                    $metadata['volume_sorting'][0] = $metadata['year_sorting'][0];
 
-				} elseif (!empty($metadata['year'][0])) {
+                } elseif (!empty($metadata['year'][0])) {
 
-					$metadata['volume_sorting'][0] = $metadata['year'][0];
+                    $metadata['volume_sorting'][0] = $metadata['year'][0];
 
-				}
+                }
 
-			}
+            }
 
-			// If volume_sorting is still empty, try to use title_sorting finally (workaround for newspapers)
-			if (empty($metadata['volume_sorting'][0])) {
+            // If volume_sorting is still empty, try to use title_sorting finally (workaround for newspapers)
+            if (empty($metadata['volume_sorting'][0])) {
 
-				if (!empty($metadata['title_sorting'][0])) {
+                if (!empty($metadata['title_sorting'][0])) {
 
-					$metadata['volume_sorting'][0] = $metadata['title_sorting'][0];
+                    $metadata['volume_sorting'][0] = $metadata['title_sorting'][0];
 
-				}
-			}
+                }
+            }
 
-		}
+        }
 
-		// Get metadata for lists and sorting.
-		$listed = array ();
+        // Get metadata for lists and sorting.
+        $listed = array ();
 
-		$sortable = array ();
+        $sortable = array ();
 
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-			'tx_dlf_metadata.index_name AS index_name,tx_dlf_metadata.is_listed AS is_listed,tx_dlf_metadata.is_sortable AS is_sortable',
-			'tx_dlf_metadata',
-			'(tx_dlf_metadata.is_listed=1 OR tx_dlf_metadata.is_sortable=1) AND tx_dlf_metadata.pid='.intval($pid).tx_dlf_helper::whereClause('tx_dlf_metadata'),
-			'',
-			'',
-			''
-		);
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+            'tx_dlf_metadata.index_name AS index_name,tx_dlf_metadata.is_listed AS is_listed,tx_dlf_metadata.is_sortable AS is_sortable',
+            'tx_dlf_metadata',
+            '(tx_dlf_metadata.is_listed=1 OR tx_dlf_metadata.is_sortable=1) AND tx_dlf_metadata.pid='.intval($pid).tx_dlf_helper::whereClause('tx_dlf_metadata'),
+            '',
+            '',
+            ''
+        );
 
-		while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
+        while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
 
-			if (!empty($metadata[$resArray['index_name']])) {
+            if (!empty($metadata[$resArray['index_name']])) {
 
-				if ($resArray['is_listed']) {
+                if ($resArray['is_listed']) {
 
-					$listed[$resArray['index_name']] = $metadata[$resArray['index_name']];
+                    $listed[$resArray['index_name']] = $metadata[$resArray['index_name']];
 
-				}
+                }
 
-				if ($resArray['is_sortable']) {
+                if ($resArray['is_sortable']) {
 
-					$sortable[$resArray['index_name']] = $metadata[$resArray['index_name']][0];
+                    $sortable[$resArray['index_name']] = $metadata[$resArray['index_name']][0];
 
-				}
+                }
 
-			}
+            }
 
-		}
+        }
 
-		// Fill data array.
-		$data['tx_dlf_documents'][$this->uid] = array (
-			'pid' => $pid,
-			$GLOBALS['TCA']['tx_dlf_documents']['ctrl']['enablecolumns']['starttime'] => 0,
-			$GLOBALS['TCA']['tx_dlf_documents']['ctrl']['enablecolumns']['endtime'] => 0,
-			'prod_id' => $metadata['prod_id'][0],
-			'location' => $this->location,
-			'record_id' => $metadata['record_id'][0],
-			'opac_id' => $metadata['opac_id'][0],
-			'union_id' => $metadata['union_id'][0],
-			'urn' => $metadata['urn'][0],
-			'purl' => $metadata['purl'][0],
-			'title' => $metadata['title'][0],
-			'title_sorting' => $metadata['title_sorting'][0],
-			'author' => implode('; ', $metadata['author']),
-			'year' => implode('; ', $metadata['year']),
-			'place' => implode('; ', $metadata['place']),
-			'thumbnail' => $this->_getThumbnail(TRUE),
-			'metadata' => serialize($listed),
-			'metadata_sorting' => serialize($sortable),
-			'structure' => $metadata['type'][0],
-			'partof' => $partof,
-			'volume' => $metadata['volume'][0],
-			'volume_sorting' => $metadata['volume_sorting'][0],
-			'collections' => $metadata['collection'],
-			'owner' => $metadata['owner'][0],
-			'solrcore' => $core,
-			'status' => 0,
-		);
+        // Fill data array.
+        $data['tx_dlf_documents'][$this->uid] = array (
+            'pid' => $pid,
+            $GLOBALS['TCA']['tx_dlf_documents']['ctrl']['enablecolumns']['starttime'] => 0,
+            $GLOBALS['TCA']['tx_dlf_documents']['ctrl']['enablecolumns']['endtime'] => 0,
+            'prod_id' => $metadata['prod_id'][0],
+            'location' => $this->location,
+            'record_id' => $metadata['record_id'][0],
+            'opac_id' => $metadata['opac_id'][0],
+            'union_id' => $metadata['union_id'][0],
+            'urn' => $metadata['urn'][0],
+            'purl' => $metadata['purl'][0],
+            'title' => $metadata['title'][0],
+            'title_sorting' => $metadata['title_sorting'][0],
+            'author' => implode('; ', $metadata['author']),
+            'year' => implode('; ', $metadata['year']),
+            'place' => implode('; ', $metadata['place']),
+            'thumbnail' => $this->_getThumbnail(TRUE),
+            'metadata' => serialize($listed),
+            'metadata_sorting' => serialize($sortable),
+            'structure' => $metadata['type'][0],
+            'partof' => $partof,
+            'volume' => $metadata['volume'][0],
+            'volume_sorting' => $metadata['volume_sorting'][0],
+            'collections' => $metadata['collection'],
+            'owner' => $metadata['owner'][0],
+            'solrcore' => $core,
+            'status' => 0,
+        );
 
-		// Unhide hidden documents.
-		if (!empty($conf['unhideOnIndex'])) {
+        // Unhide hidden documents.
+        if (!empty($conf['unhideOnIndex'])) {
 
-			$data['tx_dlf_documents'][$this->uid][$GLOBALS['TCA']['tx_dlf_documents']['ctrl']['enablecolumns']['disabled']] = 0;
+            $data['tx_dlf_documents'][$this->uid][$GLOBALS['TCA']['tx_dlf_documents']['ctrl']['enablecolumns']['disabled']] = 0;
 
-		}
+        }
 
-		// Process data.
-		$newIds = tx_dlf_helper::processDB($data);
+        // Process data.
+        $newIds = tx_dlf_helper::processDB($data);
 
-		// Replace placeholder with actual UID.
-		if (strpos($this->uid, 'NEW') === 0) {
+        // Replace placeholder with actual UID.
+        if (strpos($this->uid, 'NEW') === 0) {
 
-			$this->uid = $newIds[$this->uid];
+            $this->uid = $newIds[$this->uid];
 
-			$this->pid = $pid;
+            $this->pid = $pid;
 
-			$this->parentId = $partof;
+            $this->parentId = $partof;
 
-		}
+        }
 
-		if (!defined('TYPO3_cliMode')) {
+        if (!defined('TYPO3_cliMode')) {
 
-			$message = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
-				'TYPO3\\CMS\\Core\\Messaging\\FlashMessage',
-				htmlspecialchars(sprintf(tx_dlf_helper::getLL('flash.documentSaved'), $metadata['title'][0], $this->uid)),
-				tx_dlf_helper::getLL('flash.done', TRUE),
-				\TYPO3\CMS\Core\Messaging\FlashMessage::OK,
-				TRUE
-			);
+            $message = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+                'TYPO3\\CMS\\Core\\Messaging\\FlashMessage',
+                htmlspecialchars(sprintf(tx_dlf_helper::getLL('flash.documentSaved'), $metadata['title'][0], $this->uid)),
+                tx_dlf_helper::getLL('flash.done', TRUE),
+                \TYPO3\CMS\Core\Messaging\FlashMessage::OK,
+                TRUE
+            );
 
-			tx_dlf_helper::addMessage($message);
+            tx_dlf_helper::addMessage($message);
 
-		}
+        }
 
-		// Add document to index.
-		if ($core) {
+        // Add document to index.
+        if ($core) {
 
-			tx_dlf_indexing::add($this, $core);
+            tx_dlf_indexing::add($this, $core);
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Invalid UID "'.$core.'" for Solr core', self::$extKey, SYSLOG_SEVERITY_NOTICE);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Invalid UID "'.$core.'" for Solr core', self::$extKey, SYSLOG_SEVERITY_NOTICE);
 
-			}
+            }
 
-		}
+        }
 
-		return TRUE;
+        return TRUE;
 
-	}
+    }
 
-	/**
-	 * This returns $this->cPid via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	integer		The PID of the metadata definitions
-	 */
-	protected function _getCPid() {
+    /**
+     * This returns $this->cPid via __get()
+     *
+     * @access	protected
+     *
+     * @return	integer		The PID of the metadata definitions
+     */
+    protected function _getCPid() {
 
-		return $this->cPid;
+        return $this->cPid;
 
-	}
+    }
 
-	/**
-	 * This builds an array of the document's dmdSecs
-	 *
-	 * @access	protected
-	 *
-	 * @return	array		Array of dmdSecs with their IDs as array key
-	 */
-	protected function _getDmdSec() {
+    /**
+     * This builds an array of the document's dmdSecs
+     *
+     * @access	protected
+     *
+     * @return	array		Array of dmdSecs with their IDs as array key
+     */
+    protected function _getDmdSec() {
 
-		if (!$this->dmdSecLoaded) {
+        if (!$this->dmdSecLoaded) {
 
-			// Get available data formats.
-			$this->loadFormats();
+            // Get available data formats.
+            $this->loadFormats();
 
-			// Get dmdSec nodes from METS.
-			$dmdIds = $this->mets->xpath('./mets:dmdSec/@ID');
+            // Get dmdSec nodes from METS.
+            $dmdIds = $this->mets->xpath('./mets:dmdSec/@ID');
 
-			foreach ($dmdIds as $dmdId) {
+            foreach ($dmdIds as $dmdId) {
 
-				if ($type = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[not(@MDTYPE="OTHER")]/@MDTYPE')) {
+                if ($type = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[not(@MDTYPE="OTHER")]/@MDTYPE')) {
 
-					if (!empty($this->formats[(string) $type[0]])) {
+                    if (!empty($this->formats[(string) $type[0]])) {
 
-						$type = (string) $type[0];
+                        $type = (string) $type[0];
 
-						$xml = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="'.$type.'"]/mets:xmlData/'.strtolower($type).':'.$this->formats[$type]['rootElement']);
+                        $xml = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="'.$type.'"]/mets:xmlData/'.strtolower($type).':'.$this->formats[$type]['rootElement']);
 
-					}
+                    }
 
-				} elseif ($type = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="OTHER"]/@OTHERMDTYPE')) {
+                } elseif ($type = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="OTHER"]/@OTHERMDTYPE')) {
 
-					if (!empty($this->formats[(string) $type[0]])) {
+                    if (!empty($this->formats[(string) $type[0]])) {
 
-						$type = (string) $type[0];
+                        $type = (string) $type[0];
 
-						$xml = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="OTHER"][@OTHERMDTYPE="'.$type.'"]/mets:xmlData/'.strtolower($type).':'.$this->formats[$type]['rootElement']);
+                        $xml = $this->mets->xpath('./mets:dmdSec[@ID="'.(string) $dmdId.'"]/mets:mdWrap[@MDTYPE="OTHER"][@OTHERMDTYPE="'.$type.'"]/mets:xmlData/'.strtolower($type).':'.$this->formats[$type]['rootElement']);
 
-					}
+                    }
 
-				}
+                }
 
-				if ($xml) {
+                if ($xml) {
 
-					$this->dmdSec[(string) $dmdId]['type'] = $type;
+                    $this->dmdSec[(string) $dmdId]['type'] = $type;
 
-					$this->dmdSec[(string) $dmdId]['xml'] = $xml[0];
+                    $this->dmdSec[(string) $dmdId]['xml'] = $xml[0];
 
-					$this->registerNamespaces($this->dmdSec[(string) $dmdId]['xml']);
+                    $this->registerNamespaces($this->dmdSec[(string) $dmdId]['xml']);
 
-				}
+                }
 
-			}
+            }
 
-			$this->dmdSecLoaded = TRUE;
+            $this->dmdSecLoaded = TRUE;
 
-		}
+        }
 
-		return $this->dmdSec;
+        return $this->dmdSec;
 
-	}
+    }
 
-	/**
-	 * This builds the file ID -> USE concordance
-	 *
-	 * @access	protected
-	 *
-	 * @return	array		Array of file use groups with file IDs
-	 */
-	protected function _getFileGrps() {
+    /**
+     * This builds the file ID -> USE concordance
+     *
+     * @access	protected
+     *
+     * @return	array		Array of file use groups with file IDs
+     */
+    protected function _getFileGrps() {
 
-		if (!$this->fileGrpsLoaded) {
+        if (!$this->fileGrpsLoaded) {
 
-			// Get configured USE attributes.
-			$extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
+            // Get configured USE attributes.
+            $extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
 
-			$useGrps = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $extConf['fileGrps']);
+            $useGrps = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $extConf['fileGrps']);
 
-			if (!empty($extConf['fileGrpThumbs'])) {
+            if (!empty($extConf['fileGrpThumbs'])) {
 
-				$useGrps[] = $extConf['fileGrpThumbs'];
+                $useGrps[] = $extConf['fileGrpThumbs'];
 
-			}
+            }
 
-			if (!empty($extConf['fileGrpDownload'])) {
+            if (!empty($extConf['fileGrpDownload'])) {
 
-				$useGrps[] = $extConf['fileGrpDownload'];
+                $useGrps[] = $extConf['fileGrpDownload'];
 
-			}
+            }
 
-			if (!empty($extConf['fileGrpFulltext'])) {
+            if (!empty($extConf['fileGrpFulltext'])) {
 
-				$useGrps[] = $extConf['fileGrpFulltext'];
+                $useGrps[] = $extConf['fileGrpFulltext'];
 
-			}
+            }
 
-			if (!empty($extConf['fileGrpAudio'])) {
+            if (!empty($extConf['fileGrpAudio'])) {
 
-				$useGrps[] = $extConf['fileGrpAudio'];
+                $useGrps[] = $extConf['fileGrpAudio'];
 
-			}
+            }
 
-			// Get all file groups.
-			$fileGrps = $this->mets->xpath('./mets:fileSec/mets:fileGrp');
+            // Get all file groups.
+            $fileGrps = $this->mets->xpath('./mets:fileSec/mets:fileGrp');
 
-			// Build concordance for configured USE attributes.
-			foreach ($fileGrps as $fileGrp) {
+            // Build concordance for configured USE attributes.
+            foreach ($fileGrps as $fileGrp) {
 
-				if (in_array((string) $fileGrp['USE'], $useGrps)) {
+                if (in_array((string) $fileGrp['USE'], $useGrps)) {
 
-					foreach ($fileGrp->children('http://www.loc.gov/METS/')->file as $file) {
+                    foreach ($fileGrp->children('http://www.loc.gov/METS/')->file as $file) {
 
-						$this->fileGrps[(string) $file->attributes()->ID] = (string) $fileGrp['USE'];
+                        $this->fileGrps[(string) $file->attributes()->ID] = (string) $fileGrp['USE'];
 
-					}
+                    }
 
-				}
+                }
 
-			}
+            }
 
-			// Are there any fulltext files available?
-			if (!empty($extConf['fileGrpFulltext']) && in_array($extConf['fileGrpFulltext'], $this->fileGrps)) {
+            // Are there any fulltext files available?
+            if (!empty($extConf['fileGrpFulltext']) && in_array($extConf['fileGrpFulltext'], $this->fileGrps)) {
 
-				$this->hasFulltext = TRUE;
+                $this->hasFulltext = TRUE;
 
-			}
+            }
 
-			$this->fileGrpsLoaded = TRUE;
+            $this->fileGrpsLoaded = TRUE;
 
-		}
+        }
 
-		return $this->fileGrps;
+        return $this->fileGrps;
 
-	}
+    }
 
-	/**
-	 * This returns $this->hasFulltext via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	boolean		Are there any fulltext files available?
-	 */
-	protected function _getHasFulltext() {
+    /**
+     * This returns $this->hasFulltext via __get()
+     *
+     * @access	protected
+     *
+     * @return	boolean		Are there any fulltext files available?
+     */
+    protected function _getHasFulltext() {
 
-		// Are the fileGrps already loaded?
-		if (!$this->fileGrpsLoaded) {
+        // Are the fileGrps already loaded?
+        if (!$this->fileGrpsLoaded) {
 
-			$this->_getFileGrps();
+            $this->_getFileGrps();
 
-		}
+        }
 
-		return $this->hasFulltext;
+        return $this->hasFulltext;
 
-	}
+    }
 
-	/**
-	 * This returns $this->location via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		The location of the document
-	 */
-	protected function _getLocation() {
+    /**
+     * This returns $this->location via __get()
+     *
+     * @access	protected
+     *
+     * @return	string		The location of the document
+     */
+    protected function _getLocation() {
 
-		return $this->location;
+        return $this->location;
 
-	}
+    }
 
-	/**
-	 * This builds an array of the document's metadata
-	 *
-	 * @access	protected
-	 *
-	 * @return	array		Array of metadata with their corresponding logical structure node ID as key
-	 */
-	protected function _getMetadataArray() {
+    /**
+     * This builds an array of the document's metadata
+     *
+     * @access	protected
+     *
+     * @return	array		Array of metadata with their corresponding logical structure node ID as key
+     */
+    protected function _getMetadataArray() {
 
-		// Set metadata definitions' PID.
-		$cPid = ($this->cPid ? $this->cPid : $this->pid);
+        // Set metadata definitions' PID.
+        $cPid = ($this->cPid ? $this->cPid : $this->pid);
 
-		if (!$cPid) {
+        if (!$cPid) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getMetadataArray()] Invalid PID "'.$cPid.'" for metadata definitions', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->getMetadataArray()] Invalid PID "'.$cPid.'" for metadata definitions', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			return array ();
+            return array ();
 
-		}
+        }
 
-		if (!$this->metadataArrayLoaded || $this->metadataArray[0] != $cPid) {
+        if (!$this->metadataArrayLoaded || $this->metadataArray[0] != $cPid) {
 
-			// Get all logical structure nodes with metadata.
-			if (($ids = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@DMDID]/@ID'))) {
+            // Get all logical structure nodes with metadata.
+            if (($ids = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@DMDID]/@ID'))) {
 
-				foreach ($ids as $id) {
+                foreach ($ids as $id) {
 
-					$this->metadataArray[(string) $id] = $this->getMetadata((string) $id, $cPid);
+                    $this->metadataArray[(string) $id] = $this->getMetadata((string) $id, $cPid);
 
-				}
+                }
 
-			}
+            }
 
-			// Set current PID for metadata definitions.
-			$this->metadataArray[0] = $cPid;
+            // Set current PID for metadata definitions.
+            $this->metadataArray[0] = $cPid;
 
-			$this->metadataArrayLoaded = TRUE;
+            $this->metadataArrayLoaded = TRUE;
 
-		}
+        }
 
-		return $this->metadataArray;
+        return $this->metadataArray;
 
-	}
+    }
 
-	/**
-	 * This returns $this->mets via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	SimpleXMLElement		The XML's METS part as SimpleXMLElement object
-	 */
-	protected function _getMets() {
+    /**
+     * This returns $this->mets via __get()
+     *
+     * @access	protected
+     *
+     * @return	SimpleXMLElement		The XML's METS part as SimpleXMLElement object
+     */
+    protected function _getMets() {
 
-		return $this->mets;
+        return $this->mets;
 
-	}
+    }
 
-	/**
-	 * This returns $this->numPages via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	integer		The total number of pages and/or tracks
-	 */
-	protected function _getNumPages() {
+    /**
+     * This returns $this->numPages via __get()
+     *
+     * @access	protected
+     *
+     * @return	integer		The total number of pages and/or tracks
+     */
+    protected function _getNumPages() {
 
-		$this->_getPhysicalStructure();
+        $this->_getPhysicalStructure();
 
-		return $this->numPages;
+        return $this->numPages;
 
-	}
+    }
 
-	/**
-	 * This returns $this->parentId via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	integer		The UID of the parent document or zero if not applicable
-	 */
-	protected function _getParentId() {
+    /**
+     * This returns $this->parentId via __get()
+     *
+     * @access	protected
+     *
+     * @return	integer		The UID of the parent document or zero if not applicable
+     */
+    protected function _getParentId() {
 
-		return $this->parentId;
+        return $this->parentId;
 
-	}
+    }
 
-	/**
-	 * This builds an array of the document's physical structure
-	 *
-	 * @access	protected
-	 *
-	 * @return	array		Array of physical elements' id, type, label and file representations ordered by @ORDER attribute
-	 */
-	protected function _getPhysicalStructure() {
+    /**
+     * This builds an array of the document's physical structure
+     *
+     * @access	protected
+     *
+     * @return	array		Array of physical elements' id, type, label and file representations ordered by @ORDER attribute
+     */
+    protected function _getPhysicalStructure() {
 
-		// Is there no physical structure array yet?
-		if (!$this->physicalStructureLoaded) {
+        // Is there no physical structure array yet?
+        if (!$this->physicalStructureLoaded) {
 
-			// Does the document have a structMap node of type "PHYSICAL"?
-			$elementNodes = $this->mets->xpath('./mets:structMap[@TYPE="PHYSICAL"]/mets:div[@TYPE="physSequence"]/mets:div');
+            // Does the document have a structMap node of type "PHYSICAL"?
+            $elementNodes = $this->mets->xpath('./mets:structMap[@TYPE="PHYSICAL"]/mets:div[@TYPE="physSequence"]/mets:div');
 
-			if ($elementNodes) {
+            if ($elementNodes) {
 
-				// Get file groups.
-				$fileUse = $this->_getFileGrps();
+                // Get file groups.
+                $fileUse = $this->_getFileGrps();
 
-				// Get the physical sequence's metadata.
-				$physNode = $this->mets->xpath('./mets:structMap[@TYPE="PHYSICAL"]/mets:div[@TYPE="physSequence"]');
+                // Get the physical sequence's metadata.
+                $physNode = $this->mets->xpath('./mets:structMap[@TYPE="PHYSICAL"]/mets:div[@TYPE="physSequence"]');
 
-				$physSeq[0] = (string) $physNode[0]['ID'];
+                $physSeq[0] = (string) $physNode[0]['ID'];
 
-				$this->physicalStructureInfo[$physSeq[0]]['id'] = $physNode[0]['ID'];
+                $this->physicalStructureInfo[$physSeq[0]]['id'] = $physNode[0]['ID'];
 
-				$this->physicalStructureInfo[$physSeq[0]]['dmdId'] = (isset($physNode[0]['DMDID']) ? (string) $physNode[0]['DMDID'] : '');
+                $this->physicalStructureInfo[$physSeq[0]]['dmdId'] = (isset($physNode[0]['DMDID']) ? (string) $physNode[0]['DMDID'] : '');
 
-				$this->physicalStructureInfo[$physSeq[0]]['label'] = (isset($physNode[0]['LABEL']) ? (string) $physNode[0]['LABEL'] : '');
+                $this->physicalStructureInfo[$physSeq[0]]['label'] = (isset($physNode[0]['LABEL']) ? (string) $physNode[0]['LABEL'] : '');
 
-				$this->physicalStructureInfo[$physSeq[0]]['orderlabel'] = (isset($physNode[0]['ORDERLABEL']) ? (string) $physNode[0]['ORDERLABEL'] : '');
+                $this->physicalStructureInfo[$physSeq[0]]['orderlabel'] = (isset($physNode[0]['ORDERLABEL']) ? (string) $physNode[0]['ORDERLABEL'] : '');
 
-				$this->physicalStructureInfo[$physSeq[0]]['type'] = (string) $physNode[0]['TYPE'];
+                $this->physicalStructureInfo[$physSeq[0]]['type'] = (string) $physNode[0]['TYPE'];
 
-				$this->physicalStructureInfo[$physSeq[0]]['contentIds'] = (isset($physNode[0]['CONTENTIDS']) ? (string) $physNode[0]['CONTENTIDS'] : '');
+                $this->physicalStructureInfo[$physSeq[0]]['contentIds'] = (isset($physNode[0]['CONTENTIDS']) ? (string) $physNode[0]['CONTENTIDS'] : '');
 
-				// Get the file representations from fileSec node.
-				foreach ($physNode[0]->children('http://www.loc.gov/METS/')->fptr as $fptr) {
+                // Get the file representations from fileSec node.
+                foreach ($physNode[0]->children('http://www.loc.gov/METS/')->fptr as $fptr) {
 
-					// Check if file has valid @USE attribute.
-					if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) {
+                    // Check if file has valid @USE attribute.
+                    if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) {
 
-						$this->physicalStructureInfo[$physSeq[0]]['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID;
+                        $this->physicalStructureInfo[$physSeq[0]]['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID;
 
-					}
+                    }
 
-				}
+                }
 
-				// Build the physical elements' array from the physical structMap node.
-				foreach ($elementNodes as $elementNode) {
+                // Build the physical elements' array from the physical structMap node.
+                foreach ($elementNodes as $elementNode) {
 
-					$elements[(int) $elementNode['ORDER']] = (string) $elementNode['ID'];
+                    $elements[(int) $elementNode['ORDER']] = (string) $elementNode['ID'];
 
-					$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['id'] = $elementNode['ID'];
+                    $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['id'] = $elementNode['ID'];
 
-					$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['dmdId'] = (isset($elementNode['DMDID']) ? (string) $elementNode['DMDID'] : '');
+                    $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['dmdId'] = (isset($elementNode['DMDID']) ? (string) $elementNode['DMDID'] : '');
 
-					$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['label'] = (isset($elementNode['LABEL']) ? (string) $elementNode['LABEL'] : '');
+                    $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['label'] = (isset($elementNode['LABEL']) ? (string) $elementNode['LABEL'] : '');
 
-					$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['orderlabel'] = (isset($elementNode['ORDERLABEL']) ? (string) $elementNode['ORDERLABEL'] : '');
+                    $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['orderlabel'] = (isset($elementNode['ORDERLABEL']) ? (string) $elementNode['ORDERLABEL'] : '');
 
-					$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['type'] = (string) $elementNode['TYPE'];
+                    $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['type'] = (string) $elementNode['TYPE'];
 
-					$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['contentIds'] = (isset($elementNode['CONTENTIDS']) ? (string) $elementNode['CONTENTIDS'] : '');
+                    $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['contentIds'] = (isset($elementNode['CONTENTIDS']) ? (string) $elementNode['CONTENTIDS'] : '');
 
-					// Get the file representations from fileSec node.
-					foreach ($elementNode->children('http://www.loc.gov/METS/')->fptr as $fptr) {
+                    // Get the file representations from fileSec node.
+                    foreach ($elementNode->children('http://www.loc.gov/METS/')->fptr as $fptr) {
 
-						// Check if file has valid @USE attribute.
-						if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) {
+                        // Check if file has valid @USE attribute.
+                        if (!empty($fileUse[(string) $fptr->attributes()->FILEID])) {
 
-							$this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID;
+                            $this->physicalStructureInfo[$elements[(int) $elementNode['ORDER']]]['files'][$fileUse[(string) $fptr->attributes()->FILEID]] = (string) $fptr->attributes()->FILEID;
 
-						}
+                        }
 
-					}
+                    }
 
-				}
+                }
 
-				// Sort array by keys (= @ORDER).
-				if (ksort($elements)) {
+                // Sort array by keys (= @ORDER).
+                if (ksort($elements)) {
 
-					// Set total number of pages/tracks.
-					$this->numPages = count($elements);
+                    // Set total number of pages/tracks.
+                    $this->numPages = count($elements);
 
-					// Merge and re-index the array to get nice numeric indexes.
-					$this->physicalStructure = array_merge($physSeq, $elements);
+                    // Merge and re-index the array to get nice numeric indexes.
+                    $this->physicalStructure = array_merge($physSeq, $elements);
 
-				}
+                }
 
-			}
+            }
 
-			$this->physicalStructureLoaded = TRUE;
+            $this->physicalStructureLoaded = TRUE;
 
-		}
+        }
 
-		return $this->physicalStructure;
+        return $this->physicalStructure;
 
-	}
+    }
 
-	/**
-	 * This gives an array of the document's physical structure metadata
-	 *
-	 * @access	protected
-	 *
-	 * @return	array		Array of elements' type, label and file representations ordered by @ID attribute
-	 */
-	protected function _getPhysicalStructureInfo() {
+    /**
+     * This gives an array of the document's physical structure metadata
+     *
+     * @access	protected
+     *
+     * @return	array		Array of elements' type, label and file representations ordered by @ID attribute
+     */
+    protected function _getPhysicalStructureInfo() {
 
-		// Is there no physical structure array yet?
-		if (!$this->physicalStructureLoaded) {
+        // Is there no physical structure array yet?
+        if (!$this->physicalStructureLoaded) {
 
-			// Build physical structure array.
-			$this->_getPhysicalStructure();
+            // Build physical structure array.
+            $this->_getPhysicalStructure();
 
-		}
+        }
 
-		return $this->physicalStructureInfo;
+        return $this->physicalStructureInfo;
 
-	}
+    }
 
-	/**
-	 * This returns $this->pid via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	integer		The PID of the document or zero if not in database
-	 */
-	protected function _getPid() {
+    /**
+     * This returns $this->pid via __get()
+     *
+     * @access	protected
+     *
+     * @return	integer		The PID of the document or zero if not in database
+     */
+    protected function _getPid() {
 
-		return $this->pid;
+        return $this->pid;
 
-	}
+    }
 
-	/**
-	 * This returns $this->ready via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	boolean		Is the document instantiated successfully?
-	 */
-	protected function _getReady() {
+    /**
+     * This returns $this->ready via __get()
+     *
+     * @access	protected
+     *
+     * @return	boolean		Is the document instantiated successfully?
+     */
+    protected function _getReady() {
 
-		return $this->ready;
+        return $this->ready;
 
-	}
+    }
 
-	/**
-	 * This returns $this->recordId via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	mixed		The METS file's record identifier
-	 */
-	protected function _getRecordId() {
+    /**
+     * This returns $this->recordId via __get()
+     *
+     * @access	protected
+     *
+     * @return	mixed		The METS file's record identifier
+     */
+    protected function _getRecordId() {
 
-		return $this->recordId;
+        return $this->recordId;
 
-	}
+    }
 
-	/**
-	 * This returns $this->rootId via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	integer		The UID of the root document or zero if not applicable
-	 */
-	protected function _getRootId() {
+    /**
+     * This returns $this->rootId via __get()
+     *
+     * @access	protected
+     *
+     * @return	integer		The UID of the root document or zero if not applicable
+     */
+    protected function _getRootId() {
 
-		if (!$this->rootIdLoaded) {
+        if (!$this->rootIdLoaded) {
 
-			if ($this->parentId) {
+            if ($this->parentId) {
 
-				$parent = self::getInstance($this->parentId, $this->pid);
+                $parent = self::getInstance($this->parentId, $this->pid);
 
-				$this->rootId = $parent->rootId;
+                $this->rootId = $parent->rootId;
 
-			}
+            }
 
-			$this->rootIdLoaded = TRUE;
+            $this->rootIdLoaded = TRUE;
 
-		}
+        }
 
-		return $this->rootId;
+        return $this->rootId;
 
-	}
+    }
 
-	/**
-	 * This returns the smLinks between logical and physical structMap
-	 *
-	 * @access	protected
-	 *
-	 * @return	array		The links between logical and physical nodes
-	 */
-	protected function _getSmLinks() {
+    /**
+     * This returns the smLinks between logical and physical structMap
+     *
+     * @access	protected
+     *
+     * @return	array		The links between logical and physical nodes
+     */
+    protected function _getSmLinks() {
 
-		if (!$this->smLinksLoaded) {
+        if (!$this->smLinksLoaded) {
 
-			$smLinks = $this->mets->xpath('./mets:structLink/mets:smLink');
+            $smLinks = $this->mets->xpath('./mets:structLink/mets:smLink');
 
-			foreach ($smLinks as $smLink) {
+            foreach ($smLinks as $smLink) {
 
-				$this->smLinks['l2p'][(string) $smLink->attributes('http://www.w3.org/1999/xlink')->from][] = (string) $smLink->attributes('http://www.w3.org/1999/xlink')->to;
+                $this->smLinks['l2p'][(string) $smLink->attributes('http://www.w3.org/1999/xlink')->from][] = (string) $smLink->attributes('http://www.w3.org/1999/xlink')->to;
 
-				$this->smLinks['p2l'][(string) $smLink->attributes('http://www.w3.org/1999/xlink')->to][] = (string) $smLink->attributes('http://www.w3.org/1999/xlink')->from;
+                $this->smLinks['p2l'][(string) $smLink->attributes('http://www.w3.org/1999/xlink')->to][] = (string) $smLink->attributes('http://www.w3.org/1999/xlink')->from;
 
-			}
+            }
 
-			$this->smLinksLoaded = TRUE;
+            $this->smLinksLoaded = TRUE;
 
-		}
+        }
 
-		return $this->smLinks;
+        return $this->smLinks;
 
-	}
+    }
 
-	/**
-	 * This builds an array of the document's logical structure
-	 *
-	 * @access	protected
-	 *
-	 * @return	array		Array of structure nodes' id, label, type and physical page indexes/mptr link with original hierarchy preserved
-	 */
-	protected function _getTableOfContents() {
+    /**
+     * This builds an array of the document's logical structure
+     *
+     * @access	protected
+     *
+     * @return	array		Array of structure nodes' id, label, type and physical page indexes/mptr link with original hierarchy preserved
+     */
+    protected function _getTableOfContents() {
 
-		// Is there no logical structure array yet?
-		if (!$this->tableOfContentsLoaded) {
+        // Is there no logical structure array yet?
+        if (!$this->tableOfContentsLoaded) {
 
-			// Get all logical structures.
-			$this->getLogicalStructure('', TRUE);
+            // Get all logical structures.
+            $this->getLogicalStructure('', TRUE);
 
-			$this->tableOfContentsLoaded = TRUE;
+            $this->tableOfContentsLoaded = TRUE;
 
-		}
+        }
 
-		return $this->tableOfContents;
+        return $this->tableOfContents;
 
-	}
+    }
 
-	/**
-	 * This returns the document's thumbnail location
-	 *
-	 * @access	protected
-	 *
-	 * @param	boolean		$forceReload: Force reloading the thumbnail instead of returning the cached value
-	 *
-	 * @return	string		The document's thumbnail location
-	 */
-	protected function _getThumbnail($forceReload = FALSE) {
+    /**
+     * This returns the document's thumbnail location
+     *
+     * @access	protected
+     *
+     * @param	boolean		$forceReload: Force reloading the thumbnail instead of returning the cached value
+     *
+     * @return	string		The document's thumbnail location
+     */
+    protected function _getThumbnail($forceReload = FALSE) {
 
-		if (!$this->thumbnailLoaded || $forceReload) {
+        if (!$this->thumbnailLoaded || $forceReload) {
 
-			// Retain current PID.
-			$cPid = ($this->cPid ? $this->cPid : $this->pid);
+            // Retain current PID.
+            $cPid = ($this->cPid ? $this->cPid : $this->pid);
 
-			if (!$cPid) {
+            if (!$cPid) {
 
-				if (TYPO3_DLOG) {
+                if (TYPO3_DLOG) {
 
-					\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->_getThumbnail()] Invalid PID "'.$cPid.'" for structure definitions', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                    \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->_getThumbnail()] Invalid PID "'.$cPid.'" for structure definitions', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-				}
+                }
 
-				$this->thumbnailLoaded = TRUE;
+                $this->thumbnailLoaded = TRUE;
 
-				return $this->thumbnail;
+                return $this->thumbnail;
 
-			}
+            }
 
-			// Load extension configuration.
-			$extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
+            // Load extension configuration.
+            $extConf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
 
-			if (empty($extConf['fileGrpThumbs'])) {
+            if (empty($extConf['fileGrpThumbs'])) {
 
-				if (TYPO3_DLOG) {
+                if (TYPO3_DLOG) {
 
-					\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->_getThumbnail()] No fileGrp for thumbnails specified', self::$extKey, SYSLOG_SEVERITY_WARNING);
+                    \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->_getThumbnail()] No fileGrp for thumbnails specified', self::$extKey, SYSLOG_SEVERITY_WARNING);
 
-				}
+                }
 
-				$this->thumbnailLoaded = TRUE;
+                $this->thumbnailLoaded = TRUE;
 
-				return $this->thumbnail;
+                return $this->thumbnail;
 
-			}
+            }
 
-			$strctId = $this->_getToplevelId();
+            $strctId = $this->_getToplevelId();
 
-			$metadata = $this->getTitledata($cPid);
+            $metadata = $this->getTitledata($cPid);
 
-			// Get structure element to get thumbnail from.
-			$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-				'tx_dlf_structures.thumbnail AS thumbnail',
-				'tx_dlf_structures',
-				'tx_dlf_structures.pid='.intval($cPid).' AND tx_dlf_structures.index_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures').tx_dlf_helper::whereClause('tx_dlf_structures'),
-				'',
-				'',
-				'1'
-			);
+            // Get structure element to get thumbnail from.
+            $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+                'tx_dlf_structures.thumbnail AS thumbnail',
+                'tx_dlf_structures',
+                'tx_dlf_structures.pid='.intval($cPid).' AND tx_dlf_structures.index_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures').tx_dlf_helper::whereClause('tx_dlf_structures'),
+                '',
+                '',
+                '1'
+            );
 
-			if ($GLOBALS['TYPO3_DB']->sql_num_rows($result) > 0) {
+            if ($GLOBALS['TYPO3_DB']->sql_num_rows($result) > 0) {
 
-				$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result);
+                $resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result);
 
-				// Get desired thumbnail structure if not the toplevel structure itself.
-				if (!empty($resArray['thumbnail'])) {
+                // Get desired thumbnail structure if not the toplevel structure itself.
+                if (!empty($resArray['thumbnail'])) {
 
-					$strctType = tx_dlf_helper::getIndexName($resArray['thumbnail'], 'tx_dlf_structures', $cPid);
+                    $strctType = tx_dlf_helper::getIndexName($resArray['thumbnail'], 'tx_dlf_structures', $cPid);
 
-					// Check if this document has a structure element of the desired type.
-					$strctIds = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@TYPE="'.$strctType.'"]/@ID');
+                    // Check if this document has a structure element of the desired type.
+                    $strctIds = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@TYPE="'.$strctType.'"]/@ID');
 
-					if (!empty($strctIds)) {
+                    if (!empty($strctIds)) {
 
-						$strctId = (string) $strctIds[0];
+                        $strctId = (string) $strctIds[0];
 
-					}
+                    }
 
-				}
+                }
 
-				// Load smLinks.
-				$this->_getSmLinks();
+                // Load smLinks.
+                $this->_getSmLinks();
 
-				// Get thumbnail location.
-				if ($this->_getPhysicalStructure() && !empty($this->smLinks['l2p'][$strctId])) {
+                // Get thumbnail location.
+                if ($this->_getPhysicalStructure() && !empty($this->smLinks['l2p'][$strctId])) {
 
-					$this->thumbnail = $this->getFileLocation($this->physicalStructureInfo[$this->smLinks['l2p'][$strctId][0]]['files'][$extConf['fileGrpThumbs']]);
+                    $this->thumbnail = $this->getFileLocation($this->physicalStructureInfo[$this->smLinks['l2p'][$strctId][0]]['files'][$extConf['fileGrpThumbs']]);
 
-				} else {
+                } else {
 
-					$this->thumbnail = $this->getFileLocation($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']]);
+                    $this->thumbnail = $this->getFileLocation($this->physicalStructureInfo[$this->physicalStructure[1]]['files'][$extConf['fileGrpThumbs']]);
 
-				}
+                }
 
-			} elseif (TYPO3_DLOG) {
+            } elseif (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->_getThumbnail()] No structure of type "'.$metadata['type'][0].'" found in database', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->_getThumbnail()] No structure of type "'.$metadata['type'][0].'" found in database', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-			$this->thumbnailLoaded = TRUE;
+            $this->thumbnailLoaded = TRUE;
 
-		}
+        }
 
-		return $this->thumbnail;
+        return $this->thumbnail;
 
-	}
+    }
 
-	/**
-	 * This returns the ID of the toplevel logical structure node
-	 *
-	 * @access	protected
-	 *
-	 * @return	string		The logical structure node's ID
-	 */
-	protected function _getToplevelId() {
+    /**
+     * This returns the ID of the toplevel logical structure node
+     *
+     * @access	protected
+     *
+     * @return	string		The logical structure node's ID
+     */
+    protected function _getToplevelId() {
 
-		if (empty($this->toplevelId)) {
+        if (empty($this->toplevelId)) {
 
-			// Get all logical structure nodes with metadata, but without associated METS-Pointers.
-			if (($divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@DMDID and not(./mets:mptr)]'))) {
+            // Get all logical structure nodes with metadata, but without associated METS-Pointers.
+            if (($divs = $this->mets->xpath('./mets:structMap[@TYPE="LOGICAL"]//mets:div[@DMDID and not(./mets:mptr)]'))) {
 
-				// Load smLinks.
-				$this->_getSmLinks();
+                // Load smLinks.
+                $this->_getSmLinks();
 
-				foreach ($divs as $div) {
+                foreach ($divs as $div) {
 
-					$id = (string) $div['ID'];
+                    $id = (string) $div['ID'];
 
-					// Are there physical structure nodes for this logical structure?
-					if (array_key_exists($id, $this->smLinks['l2p'])) {
+                    // Are there physical structure nodes for this logical structure?
+                    if (array_key_exists($id, $this->smLinks['l2p'])) {
 
-						// Yes. That's what we're looking for.
-						$this->toplevelId = $id;
+                        // Yes. That's what we're looking for.
+                        $this->toplevelId = $id;
 
-						break;
+                        break;
 
-					} elseif (empty($this->toplevelId)) {
+                    } elseif (empty($this->toplevelId)) {
 
-						// No. Remember this anyway, but keep looking for a better one.
-						$this->toplevelId = $id;
+                        // No. Remember this anyway, but keep looking for a better one.
+                        $this->toplevelId = $id;
 
-					}
+                    }
 
-				}
+                }
 
-			}
+            }
 
-		}
+        }
 
-		return $this->toplevelId;
+        return $this->toplevelId;
 
-	}
+    }
 
-	/**
-	 * This returns $this->uid via __get()
-	 *
-	 * @access	protected
-	 *
-	 * @return	mixed		The UID or the URL of the document
-	 */
-	protected function _getUid() {
+    /**
+     * This returns $this->uid via __get()
+     *
+     * @access	protected
+     *
+     * @return	mixed		The UID or the URL of the document
+     */
+    protected function _getUid() {
 
-		return $this->uid;
+        return $this->uid;
 
-	}
+    }
 
-	/**
-	 * This sets $this->cPid via __set()
-	 *
-	 * @access	protected
-	 *
-	 * @param	integer		$value: The new PID for the metadata definitions
-	 *
-	 * @return	void
-	 */
-	protected function _setCPid($value) {
+    /**
+     * This sets $this->cPid via __set()
+     *
+     * @access	protected
+     *
+     * @param	integer		$value: The new PID for the metadata definitions
+     *
+     * @return	void
+     */
+    protected function _setCPid($value) {
 
-		$this->cPid = max(intval($value), 0);
+        $this->cPid = max(intval($value), 0);
 
-	}
+    }
 
-	/**
-	 * This magic method is invoked each time a clone is called on the object variable
-	 * (This method is defined as private/protected because singleton objects should not be cloned)
-	 *
-	 * @access	protected
-	 *
-	 * @return	void
-	 */
-	protected function __clone() {}
+    /**
+     * This magic method is invoked each time a clone is called on the object variable
+     * (This method is defined as private/protected because singleton objects should not be cloned)
+     *
+     * @access	protected
+     *
+     * @return	void
+     */
+    protected function __clone() {}
 
-	/**
-	 * This is a singleton class, thus the constructor should be private/protected
-	 *
-	 * @access	protected
-	 *
-	 * @param	integer		$uid: The UID of the document to parse or URL to XML file
-	 * @param	integer		$pid: If > 0, then only document with this PID gets loaded
-	 *
-	 * @return	void
-	 */
-	protected function __construct($uid, $pid) {
+    /**
+     * This is a singleton class, thus the constructor should be private/protected
+     *
+     * @access	protected
+     *
+     * @param	integer		$uid: The UID of the document to parse or URL to XML file
+     * @param	integer		$pid: If > 0, then only document with this PID gets loaded
+     *
+     * @return	void
+     */
+    protected function __construct($uid, $pid) {
 
-		// Prepare to check database for the requested document.
-		if (\TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($uid)) {
+        // Prepare to check database for the requested document.
+        if (\TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($uid)) {
 
-			$whereClause = 'tx_dlf_documents.uid='.intval($uid).tx_dlf_helper::whereClause('tx_dlf_documents');
+            $whereClause = 'tx_dlf_documents.uid='.intval($uid).tx_dlf_helper::whereClause('tx_dlf_documents');
 
-		} else {
+        } else {
 
-			// Cast to string for safety reasons.
-			$location = (string) $uid;
+            // Cast to string for safety reasons.
+            $location = (string) $uid;
 
-			// Try to load METS file.
-			if ($this->load($location)) {
+            // Try to load METS file.
+            if ($this->load($location)) {
 
-				// Initialize core METS object.
-				$this->init();
+                // Initialize core METS object.
+                $this->init();
 
-				if ($this->mets !== NULL) {
+                if ($this->mets !== NULL) {
 
-					// Check for METS object @ID.
-					if (!empty($this->mets['OBJID'])) {
+                    // Check for METS object @ID.
+                    if (!empty($this->mets['OBJID'])) {
 
-						$this->recordId = (string) $this->mets['OBJID'];
+                        $this->recordId = (string) $this->mets['OBJID'];
 
-					}
+                    }
 
-					// Get hook objects.
-					$hookObjects = tx_dlf_helper::getHookObjects('common/class.tx_dlf_document.php');
+                    // Get hook objects.
+                    $hookObjects = tx_dlf_helper::getHookObjects('common/class.tx_dlf_document.php');
 
-					// Apply hooks.
-					foreach($hookObjects as $hookObj) {
+                    // Apply hooks.
+                    foreach($hookObjects as $hookObj) {
 
-						if (method_exists($hookObj, 'construct_postProcessRecordId')) {
+                        if (method_exists($hookObj, 'construct_postProcessRecordId')) {
 
-							$hookObj->construct_postProcessRecordId($this->xml, $this->recordId);
+                            $hookObj->construct_postProcessRecordId($this->xml, $this->recordId);
 
-						}
+                        }
 
-					}
+                    }
 
-				} else {
+                } else {
 
-					// No METS part found.
-					return;
+                    // No METS part found.
+                    return;
 
-				}
+                }
 
-			} else {
+            } else {
 
-				// Loading failed.
-				return;
+                // Loading failed.
+                return;
 
-			}
+            }
 
-			if (!empty($this->recordId)) {
+            if (!empty($this->recordId)) {
 
-				$whereClause = 'tx_dlf_documents.record_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->recordId, 'tx_dlf_documents').tx_dlf_helper::whereClause('tx_dlf_documents');
+                $whereClause = 'tx_dlf_documents.record_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->recordId, 'tx_dlf_documents').tx_dlf_helper::whereClause('tx_dlf_documents');
 
-			} else {
+            } else {
 
-				// There is no record identifier and there should be no hit in the database.
-				$whereClause = '1=-1';
+                // There is no record identifier and there should be no hit in the database.
+                $whereClause = '1=-1';
 
-			}
+            }
 
-		}
+        }
 
-		// Check for PID if needed.
-		if ($pid) {
+        // Check for PID if needed.
+        if ($pid) {
 
-			$whereClause .= ' AND tx_dlf_documents.pid='.intval($pid);
+            $whereClause .= ' AND tx_dlf_documents.pid='.intval($pid);
 
-		}
+        }
 
-		// Get document PID and location from database.
-		$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
-			'tx_dlf_documents.uid AS uid,tx_dlf_documents.pid AS pid,tx_dlf_documents.record_id AS record_id,tx_dlf_documents.partof AS partof,tx_dlf_documents.thumbnail AS thumbnail,tx_dlf_documents.location AS location',
-			'tx_dlf_documents',
-			$whereClause,
-			'',
-			'',
-			'1'
-		);
+        // Get document PID and location from database.
+        $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+            'tx_dlf_documents.uid AS uid,tx_dlf_documents.pid AS pid,tx_dlf_documents.record_id AS record_id,tx_dlf_documents.partof AS partof,tx_dlf_documents.thumbnail AS thumbnail,tx_dlf_documents.location AS location',
+            'tx_dlf_documents',
+            $whereClause,
+            '',
+            '',
+            '1'
+        );
 
-		if ($GLOBALS['TYPO3_DB']->sql_num_rows($result) > 0) {
+        if ($GLOBALS['TYPO3_DB']->sql_num_rows($result) > 0) {
 
-			list ($this->uid, $this->pid, $this->recordId, $this->parentId, $this->thumbnail, $this->location) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
+            list ($this->uid, $this->pid, $this->recordId, $this->parentId, $this->thumbnail, $this->location) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result);
 
-			$this->thumbnailLoaded = TRUE;
+            $this->thumbnailLoaded = TRUE;
 
-			// Load XML file if necessary...
-			if ($this->mets === NULL && $this->load($this->location)) {
+            // Load XML file if necessary...
+            if ($this->mets === NULL && $this->load($this->location)) {
 
-				// ...and set some basic properties.
-				$this->init();
+                // ...and set some basic properties.
+                $this->init();
 
-			}
+            }
 
-			// Do we have a METS object now?
-			if ($this->mets !== NULL) {
+            // Do we have a METS object now?
+            if ($this->mets !== NULL) {
 
-				// Set new location if necessary.
-				if (!empty($location)) {
+                // Set new location if necessary.
+                if (!empty($location)) {
 
-					$this->location = $location;
+                    $this->location = $location;
 
-				}
+                }
 
-				// Document ready!
-				$this->ready = TRUE;
+                // Document ready!
+                $this->ready = TRUE;
 
-			}
+            }
 
-		} elseif ($this->mets !== NULL) {
+        } elseif ($this->mets !== NULL) {
 
-			// Set location as UID for documents not in database.
-			$this->uid = $location;
+            // Set location as UID for documents not in database.
+            $this->uid = $location;
 
-			$this->location = $location;
+            $this->location = $location;
 
-			// Document ready!
-			$this->ready = TRUE;
+            // Document ready!
+            $this->ready = TRUE;
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->__construct('.$uid.', '.$pid.')] No document with UID "'.$uid.'" found or document not accessible', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->__construct('.$uid.', '.$pid.')] No document with UID "'.$uid.'" found or document not accessible', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * This magic method is called each time an invisible property is referenced from the object
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$var: Name of variable to get
-	 *
-	 * @return	mixed		Value of $this->$var
-	 */
-	public function __get($var) {
+    /**
+     * This magic method is called each time an invisible property is referenced from the object
+     *
+     * @access	public
+     *
+     * @param	string		$var: Name of variable to get
+     *
+     * @return	mixed		Value of $this->$var
+     */
+    public function __get($var) {
 
-		$method = '_get'.ucfirst($var);
+        $method = '_get'.ucfirst($var);
 
-		if (!property_exists($this, $var) || !method_exists($this, $method)) {
+        if (!property_exists($this, $var) || !method_exists($this, $method)) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->__get('.$var.')] There is no getter function for property "'.$var.'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->__get('.$var.')] There is no getter function for property "'.$var.'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
 
-			}
+            }
 
-			return;
+            return;
 
-		} else {
+        } else {
 
-			return $this->$method();
+            return $this->$method();
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * This magic method is called each time an invisible property is referenced from the object
-	 *
-	 * @access	public
-	 *
-	 * @param	string		$var: Name of variable to set
-	 * @param	mixed		$value: New value of variable
-	 *
-	 * @return	void
-	 */
-	public function __set($var, $value) {
+    /**
+     * This magic method is called each time an invisible property is referenced from the object
+     *
+     * @access	public
+     *
+     * @param	string		$var: Name of variable to set
+     * @param	mixed		$value: New value of variable
+     *
+     * @return	void
+     */
+    public function __set($var, $value) {
 
-		$method = '_set'.ucfirst($var);
+        $method = '_set'.ucfirst($var);
 
-		if (!property_exists($this, $var) || !method_exists($this, $method)) {
+        if (!property_exists($this, $var) || !method_exists($this, $method)) {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->__set('.$var.', '.$value.')] There is no setter function for property "'.$var.'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->__set('.$var.', '.$value.')] There is no setter function for property "'.$var.'"', self::$extKey, SYSLOG_SEVERITY_WARNING);
 
-			}
+            }
 
-		} else {
+        } else {
 
-			$this->$method($value);
+            $this->$method($value);
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * This magic method is executed prior to any serialization of the object
-	 * @see __wakeup()
-	 *
-	 * @access	public
-	 *
-	 * @return	array		Properties to be serialized
-	 */
-	public function __sleep() {
+    /**
+     * This magic method is executed prior to any serialization of the object
+     * @see __wakeup()
+     *
+     * @access	public
+     *
+     * @return	array		Properties to be serialized
+     */
+    public function __sleep() {
 
-		// SimpleXMLElement objects can't be serialized, thus save the XML as string for serialization
-		$this->asXML = $this->xml->asXML();
+        // SimpleXMLElement objects can't be serialized, thus save the XML as string for serialization
+        $this->asXML = $this->xml->asXML();
 
-		return array ('uid', 'pid', 'recordId', 'parentId', 'asXML');
+        return array ('uid', 'pid', 'recordId', 'parentId', 'asXML');
 
-	}
+    }
 
-	/**
-	 * This magic method is used for setting a string value for the object
-	 *
-	 * @access	public
-	 *
-	 * @return	string		String representing the METS object
-	 */
-	public function __toString() {
+    /**
+     * This magic method is used for setting a string value for the object
+     *
+     * @access	public
+     *
+     * @return	string		String representing the METS object
+     */
+    public function __toString() {
 
-		$xml = new DOMDocument('1.0', 'utf-8');
+        $xml = new DOMDocument('1.0', 'utf-8');
 
-		$xml->appendChild($xml->importNode(dom_import_simplexml($this->mets), TRUE));
+        $xml->appendChild($xml->importNode(dom_import_simplexml($this->mets), TRUE));
 
-		$xml->formatOutput = TRUE;
+        $xml->formatOutput = TRUE;
 
-		return $xml->saveXML();
+        return $xml->saveXML();
 
-	}
+    }
 
-	/**
-	 * This magic method is executed after the object is deserialized
-	 * @see __sleep()
-	 *
-	 * @access	public
-	 *
-	 * @return	void
-	 */
-	public function __wakeup() {
+    /**
+     * This magic method is executed after the object is deserialized
+     * @see __sleep()
+     *
+     * @access	public
+     *
+     * @return	void
+     */
+    public function __wakeup() {
 
-		// Turn off libxml's error logging.
-		$libxmlErrors = libxml_use_internal_errors(TRUE);
+        // Turn off libxml's error logging.
+        $libxmlErrors = libxml_use_internal_errors(TRUE);
 
-		// Reload XML from string.
-		$xml = @simplexml_load_string($this->asXML);
+        // Reload XML from string.
+        $xml = @simplexml_load_string($this->asXML);
 
-		// Reset libxml's error logging.
-		libxml_use_internal_errors($libxmlErrors);
+        // Reset libxml's error logging.
+        libxml_use_internal_errors($libxmlErrors);
 
-		if ($xml !== FALSE) {
+        if ($xml !== FALSE) {
 
-			$this->asXML = '';
+            $this->asXML = '';
 
-			$this->xml = $xml;
+            $this->xml = $xml;
 
-			// Rebuild the unserializable properties.
-			$this->init();
+            // Rebuild the unserializable properties.
+            $this->init();
 
-		} else {
+        } else {
 
-			if (TYPO3_DLOG) {
+            if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->__wakeup()] Could not load XML after deserialization', self::$extKey, SYSLOG_SEVERITY_ERROR);
+                \TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->__wakeup()] Could not load XML after deserialization', self::$extKey, SYSLOG_SEVERITY_ERROR);
 
-			}
+            }
 
-		}
+        }
 
-	}
+    }
 
 }

Spacing +7 added lines, -7 removed lines

@@ -568,7 +568,7 @@ 
 
 		$details['id'] = $attributes['ID'];
 
-		$details['dmdId'] = (isset($attributes['DMDID']) ?  $attributes['DMDID'] : '');
+		$details['dmdId'] = (isset($attributes['DMDID']) ? $attributes['DMDID'] : '');
 
 		$details['label'] = (isset($attributes['LABEL']) ? $attributes['LABEL'] : '');
 
@@ -917,7 +917,7 @@ 
 	 */
 	public function getPhysicalPage($logicalPage) {
 
-		if(!empty( $this->lastSearchedPhysicalPage['logicalPage']) &&  $this->lastSearchedPhysicalPage['logicalPage'] == $logicalPage) {
+		if (!empty($this->lastSearchedPhysicalPage['logicalPage']) && $this->lastSearchedPhysicalPage['logicalPage'] == $logicalPage) {
 
 			return $this->lastSearchedPhysicalPage['physicalPage'];
 
@@ -925,9 +925,9 @@ 
 
 			$physicalPage = 0;
 
-			foreach($this->physicalStructureInfo as $page) {
+			foreach ($this->physicalStructureInfo as $page) {
 
-				if(strpos($page['orderlabel'], $logicalPage) !== false){
+				if (strpos($page['orderlabel'], $logicalPage) !== false) {
 
 					$this->lastSearchedPhysicalPage['logicalPage'] = $logicalPage;
 					$this->lastSearchedPhysicalPage['physicalPage'] = $physicalPage;
@@ -1351,7 +1351,7 @@ 
 
 			if (TYPO3_DLOG) {
 
-				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Could not identify document/structure type ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures'),
+				\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_document->save('.$_pid.', '.$_core.')] Could not identify document/structure type '.$GLOBALS['TYPO3_DB']->fullQuoteStr($metadata['type'][0], 'tx_dlf_structures'),
 									       self::$extKey, SYSLOG_SEVERITY_ERROR);
 
 			}
@@ -1522,7 +1522,7 @@ 
 
 			if ($parentLocation != $this->location) {
 
-				$parentDoc =& tx_dlf_document::getInstance($parentLocation, $pid);
+				$parentDoc = & tx_dlf_document::getInstance($parentLocation, $pid);
 
 				if ($parentDoc->ready) {
 
@@ -2436,7 +2436,7 @@ 
 					$hookObjects = tx_dlf_helper::getHookObjects('common/class.tx_dlf_document.php');
 
 					// Apply hooks.
-					foreach($hookObjects as $hookObj) {
+					foreach ($hookObjects as $hookObj) {
 
 						if (method_exists($hookObj, 'construct_postProcessRecordId')) {