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<?php |
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/** |
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*## TbPager class file. |
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* |
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* @author Christoffer Niska <[email protected]> |
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* @copyright Copyright © Christoffer Niska 2011- |
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* @license [New BSD License](http://www.opensource.org/licenses/bsd-license.php) |
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*/ |
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/** |
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*## Bootstrap pager. |
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* |
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* @see <http://twitter.github.com/bootstrap/components.html#pagination> |
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* |
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* @package booster.widgets.supplementary |
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*/ |
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class TbPager extends CLinkPager { |
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// Pager alignments. |
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const ALIGNMENT_CENTER = 'centered'; |
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const ALIGNMENT_RIGHT = 'right'; |
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/** |
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* @var string attributes for the pager container tag. |
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*/ |
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public $containerTag = 'div'; |
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/** |
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* @var array HTML attributes for the pager container tag. |
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*/ |
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public $containerHtmlOptions = array(); |
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/** |
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* @var string the pager alignment. |
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* Valid values are 'centered' and 'right'. |
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*/ |
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public $alignment = self::ALIGNMENT_RIGHT; |
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/** |
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* @var string the text shown before page buttons. |
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* Defaults to an empty string, meaning that no header will be displayed. |
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*/ |
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public $header = ''; |
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/** |
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* @var string the URL of the CSS file used by this pager. |
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* Defaults to false, meaning that no CSS will be included. |
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*/ |
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public $cssFile = false; |
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/** |
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* @var boolean whether to display the first and last items. |
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*/ |
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public $displayFirstAndLast = false; |
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/** |
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*### .init() |
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* |
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* Initializes the pager by setting some default property values. |
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*/ |
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public function init() { |
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if ($this->nextPageLabel === null) { |
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$this->nextPageLabel = '»'; |
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} |
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if ($this->prevPageLabel === null) { |
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$this->prevPageLabel = '«'; |
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} |
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$classes = array('pagination'); |
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/* TODO: move these to styles files! */ |
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$style = ''; |
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$containerStyle = ''; |
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$validAlignments = array(self::ALIGNMENT_CENTER, self::ALIGNMENT_RIGHT); |
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if (in_array($this->alignment, $validAlignments)) { |
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if($this->alignment == self::ALIGNMENT_RIGHT) |
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$classes[] = 'pull-right'; |
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if($this->alignment == self::ALIGNMENT_CENTER) { |
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// $style = 'margin-left: auto; margin-right: auto;'; // not needed! |
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$containerStyle = 'text-align: center;'; |
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} |
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} |
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if (!empty($classes)) { |
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$classes = implode(' ', $classes); |
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if (isset($this->htmlOptions['class'])) { |
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$this->htmlOptions['class'] = ' ' . $classes; |
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} else { |
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$this->htmlOptions['class'] = $classes; |
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} |
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} |
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if(!empty($style)) { |
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if(isset($this->htmlOptions['style']) && !empty($this->htmlOptions['style'])) |
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$this->htmlOptions['style'] .= ' '.$style; |
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else |
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$this->htmlOptions['style'] = $style; |
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} |
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if(!empty($containerStyle)) { |
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if(isset($this->containerHtmlOptions['style']) && !empty($this->containerHtmlOptions['style'])) |
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$this->containerHtmlOptions['style'] .= ' '.$containerStyle; |
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else |
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$this->containerHtmlOptions['style'] = $containerStyle; |
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} |
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parent::init(); |
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} |
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/** |
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* Executes the widget. |
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* This overrides the parent implementation by displaying the generated page buttons. |
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*/ |
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public function run() { |
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$this->registerClientScript(); |
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$buttons=$this->createPageButtons(); |
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if(empty($buttons)) |
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return; |
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echo CHtml::openTag($this->containerTag, $this->containerHtmlOptions); |
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echo $this->header; |
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echo CHtml::tag('ul',$this->htmlOptions,implode("\n",$buttons)); |
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echo '<div style="clear: both;"></div>'; |
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echo $this->footer; |
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echo CHtml::closeTag($this->containerTag); |
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} |
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/** |
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*### .createPageButtons() |
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* |
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* Creates the page buttons. |
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* @return array a list of page buttons (in HTML code). |
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*/ |
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protected function createPageButtons() { |
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if (($pageCount = $this->getPageCount()) <= 1) { |
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return array(); |
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} |
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list ($beginPage, $endPage) = $this->getPageRange(); |
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$currentPage = $this->getCurrentPage(false); // currentPage is calculated in getPageRange() |
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$buttons = array(); |
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// first page |
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if ($this->displayFirstAndLast) { |
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$buttons[] = $this->createPageButton($this->firstPageLabel, 0, 'first', $currentPage <= 0, false); |
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} |
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// prev page |
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if (($page = $currentPage - 1) < 0) { |
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$page = 0; |
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} |
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$buttons[] = $this->createPageButton($this->prevPageLabel, $page, 'previous', $currentPage <= 0, false); |
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// internal pages |
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for ($i = $beginPage; $i <= $endPage; ++$i) { |
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$buttons[] = $this->createPageButton($i + 1, $i, '', false, $i == $currentPage); |
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} |
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// next page |
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if (($page = $currentPage + 1) >= $pageCount - 1) { |
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$page = $pageCount - 1; |
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} |
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$buttons[] = $this->createPageButton( |
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$this->nextPageLabel, |
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$page, |
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'next', |
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$currentPage >= ($pageCount - 1), |
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false |
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); |
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// last page |
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if ($this->displayFirstAndLast) { |
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$buttons[] = $this->createPageButton( |
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$this->lastPageLabel, |
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$pageCount - 1, |
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'last', |
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$currentPage >= ($pageCount - 1), |
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false |
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); |
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} |
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return $buttons; |
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} |
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/** |
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*### .createPageButton() |
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* |
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* Creates a page button. |
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* You may override this method to customize the page buttons. |
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* |
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* @param string $label the text label for the button |
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* @param integer $page the page number |
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* @param string $class the CSS class for the page button. This could be 'page', 'first', 'last', 'next' or 'previous'. |
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* @param boolean $hidden whether this page button is visible |
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* @param boolean $selected whether this page button is selected |
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* |
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* @return string the generated button |
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*/ |
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protected function createPageButton($label, $page, $class, $hidden, $selected) |
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{ |
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if ($hidden || $selected) { |
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$class .= ' ' . ($hidden ? 'disabled' : 'active'); |
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} |
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return CHtml::tag('li', array('class' => $class), CHtml::link($label, $this->createPageUrl($page))); |
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} |
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} |
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clevertech /
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