TYPO3-Solr /
ext-solr
Complex classes like PluginBase often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use PluginBase, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 47 | abstract class PluginBase extends AbstractPlugin |
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| 48 | { |
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| 49 | /** |
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| 50 | * @var string |
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| 51 | */ |
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| 52 | public $prefixId = 'tx_solr'; |
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| 53 | |||
| 54 | /** |
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| 55 | * @var string |
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| 56 | */ |
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| 57 | public $extKey = 'solr'; |
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| 58 | |||
| 59 | /** |
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| 60 | * An instance of ApacheSolrForTypo3\Solr\Template |
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| 61 | * |
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| 62 | * @var Template |
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| 63 | */ |
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| 64 | protected $template; |
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| 65 | |||
| 66 | /** |
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| 67 | * An instance of ApacheSolrForTypo3\Solr\JavascriptManager |
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| 68 | * |
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| 69 | * @var JavascriptManager |
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| 70 | */ |
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| 71 | protected $javascriptManager; |
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| 72 | |||
| 73 | /** |
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| 74 | * An instance of the localization factory |
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| 75 | * |
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| 76 | * @var \TYPO3\CMS\Core\Localization\LocalizationFactory |
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| 77 | */ |
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| 78 | protected $languageFactory; |
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| 79 | |||
| 80 | /** |
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| 81 | * The user's raw query. |
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| 82 | * |
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| 83 | * Private to enforce API usage. |
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| 84 | * |
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| 85 | * @var string |
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| 86 | */ |
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| 87 | private $rawUserQuery; |
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| 88 | |||
| 89 | // Main |
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| 90 | |||
| 91 | /** |
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| 92 | * @var TypoScriptConfiguration |
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| 93 | */ |
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| 94 | public $typoScriptConfiguration; |
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| 95 | |||
| 96 | /** |
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| 97 | * @var SearchResultSetService |
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| 98 | */ |
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| 99 | private $searchResultsSetService; |
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| 100 | |||
| 101 | /** |
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| 102 | * The main method of the plugin |
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| 103 | * |
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| 104 | * @param string $content The plugin content |
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| 105 | * @param array $configuration The plugin configuration |
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| 106 | * @return string The content that is displayed on the website |
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| 107 | */ |
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| 108 | 25 | public function main($content, $configuration) |
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| 109 | { |
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| 110 | /** @noinspection PhpUnusedLocalVariableInspection */ |
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| 111 | 25 | $content = ''; |
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| 112 | |||
| 113 | try { |
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| 114 | 25 | $this->initialize($configuration); |
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| 115 | 25 | $this->preRender(); |
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| 116 | |||
| 117 | 25 | $actionResult = $this->performAction(); |
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| 118 | |||
| 119 | 25 | if ($this->getSearchResultSetService()->getIsSolrAvailable()) { |
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| 120 | 25 | $content = $this->render($actionResult); |
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| 121 | } else { |
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| 122 | $content = $this->renderError(); |
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| 123 | } |
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| 124 | |||
| 125 | 25 | $content = $this->postRender($content); |
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| 126 | } catch (\Exception $e) { |
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| 127 | if ($this->typoScriptConfiguration->getLoggingExceptions()) { |
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| 128 | GeneralUtility::devLog( |
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| 129 | $e->getCode() . ': ' . $e->__toString(), |
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| 130 | 'solr', |
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| 131 | 3, |
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| 132 | (array)$e |
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| 133 | ); |
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| 134 | } |
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| 135 | |||
| 136 | $this->initializeTemplateEngine(); |
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| 137 | $content = $this->renderException(); |
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| 138 | } |
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| 139 | |||
| 140 | 25 | return $this->baseWrap($content); |
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| 141 | } |
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| 142 | |||
| 143 | /** |
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| 144 | * Adds the possibility to use stdWrap on the plugins content instead of wrapInBaseClass. |
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| 145 | * Defaults to wrapInBaseClass to ensure downward compatibility. |
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| 146 | * |
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| 147 | * @param string $content The plugin content |
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| 148 | * @return string |
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| 149 | */ |
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| 150 | 25 | protected function baseWrap($content) |
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| 151 | { |
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| 152 | 25 | $baseWrap = $this->typoScriptConfiguration->getObjectByPath('plugin.tx_solr.general.baseWrap.'); |
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| 153 | 25 | if (isset($baseWrap)) { |
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| 154 | 25 | return $this->cObj->stdWrap($content, |
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| 155 | $baseWrap); |
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| 156 | } else { |
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| 157 | return $this->pi_wrapInBaseClass($content); |
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| 158 | } |
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| 159 | } |
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| 160 | |||
| 161 | /** |
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| 162 | * Implements the action logic. The result of this method is passed to the |
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| 163 | * render method. |
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| 164 | * |
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| 165 | * @return string Action result |
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| 166 | */ |
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| 167 | abstract protected function performAction(); |
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| 168 | |||
| 169 | // Initialization |
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| 170 | |||
| 171 | /** |
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| 172 | * Initializes the plugin - configuration, language, caching, search... |
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| 173 | * |
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| 174 | * @param array $configuration configuration array as provided by the TYPO3 core |
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| 175 | */ |
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| 176 | 25 | protected function initialize($configuration) |
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| 177 | { |
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| 178 | /** @var $configurationManager \ApacheSolrForTypo3\Solr\System\Configuration\ConfigurationManager */ |
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| 179 | 25 | $configurationManager = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Solr\\System\\Configuration\\ConfigurationManager'); |
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| 180 | 25 | $typoScriptConfiguration = $configurationManager->getTypoScriptConfiguration()->mergeSolrConfiguration($configuration); |
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| 181 | 25 | $this->typoScriptConfiguration = $typoScriptConfiguration; |
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| 182 | |||
| 183 | 25 | $this->initializeLanguageFactory(); |
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| 184 | 25 | $this->pi_setPiVarDefaults(); |
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| 185 | 25 | $this->pi_loadLL(); |
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| 186 | 25 | $this->pi_initPIflexForm(); |
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| 187 | |||
| 188 | 25 | $this->overrideTyposcriptWithFlexformSettings(); |
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| 189 | |||
| 190 | 25 | $this->initializeQuery(); |
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| 191 | 25 | $this->initializeSearch(); |
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| 192 | 25 | $this->initializeTemplateEngine(); |
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| 193 | 25 | $this->initializeJavascriptManager(); |
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| 194 | |||
| 195 | 25 | $this->postInitialize(); |
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| 196 | 25 | } |
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| 197 | |||
| 198 | /** |
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| 199 | * Overwrites pi_setPiVarDefaults to add stdWrap-functionality to _DEFAULT_PI_VARS |
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| 200 | * |
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| 201 | * @author Grigori Prokhorov <[email protected]> |
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| 202 | * @author Ivan Kartolo <[email protected]> |
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| 203 | * @return void |
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| 204 | */ |
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| 205 | 25 | public function pi_setPiVarDefaults() |
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| 206 | { |
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| 207 | 25 | if (is_array($this->conf['_DEFAULT_PI_VARS.'])) { |
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| 208 | foreach ($this->conf['_DEFAULT_PI_VARS.'] as $key => $defaultValue) { |
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| 209 | $this->conf['_DEFAULT_PI_VARS.'][$key] = $this->cObj->cObjGetSingle($this->conf['_DEFAULT_PI_VARS.'][$key], |
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| 210 | $this->conf['_DEFAULT_PI_VARS.'][$key . '.']); |
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| 211 | } |
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| 212 | |||
| 213 | $piVars = is_array($this->piVars) ? $this->piVars : array(); |
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| 214 | $this->piVars = $this->conf['_DEFAULT_PI_VARS.']; |
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| 215 | ArrayUtility::mergeRecursiveWithOverrule( |
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| 216 | $this->piVars, |
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| 217 | $piVars |
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| 218 | ); |
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| 219 | } |
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| 220 | 25 | } |
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| 221 | |||
| 222 | /** |
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| 223 | * Overwrites pi_loadLL() to handle custom location of language files. |
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| 224 | * |
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| 225 | * Loads local-language values by looking for a "locallang" file in the |
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| 226 | * plugin class directory ($this->scriptRelPath) and if found includes it. |
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| 227 | * Also locallang values set in the TypoScript property "_LOCAL_LANG" are |
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| 228 | * merged onto the values found in the "locallang" file. |
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| 229 | * Supported file extensions xlf, xml, php |
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| 230 | * |
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| 231 | * @param string $languageFilePath path to the plugin language file in format EXT:.... |
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| 232 | * @return void |
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| 233 | */ |
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| 234 | 25 | public function pi_loadLL($languageFilePath = '') |
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| 235 | { |
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| 236 | 25 | if (!$this->LOCAL_LANG_loaded && $this->scriptRelPath) { |
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| 237 | 25 | $basePath = 'EXT:' . $this->extKey . '/Resources/Private/Language/locallang.xlf'; |
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| 238 | // Read the strings in the required charset (since TYPO3 4.2) |
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| 239 | 25 | $this->LOCAL_LANG = $this->languageFactory->getParsedData($basePath, |
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| 240 | 25 | $this->LLkey, $GLOBALS['TSFE']->renderCharset, 3); |
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| 241 | |||
| 242 | 25 | $alternativeLanguageKeys = GeneralUtility::trimExplode(',', |
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| 243 | 25 | $this->altLLkey, true); |
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| 244 | 25 | foreach ($alternativeLanguageKeys as $languageKey) { |
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| 245 | $tempLL = $this->languageFactory->getParsedData($basePath, $languageKey, $GLOBALS['TSFE']->renderCharset, 3); |
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| 246 | if ($this->LLkey !== 'default' && isset($tempLL[$languageKey])) { |
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| 247 | $this->LOCAL_LANG[$languageKey] = $tempLL[$languageKey]; |
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| 248 | } |
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| 249 | } |
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| 250 | // Overlaying labels from TypoScript (including fictitious language keys for non-system languages!): |
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| 251 | 25 | $translationInTypoScript = $this->typoScriptConfiguration->getLocalLangConfiguration(); |
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| 252 | |||
| 253 | 25 | if (count($translationInTypoScript) == 0) { |
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| 254 | 24 | return; |
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| 255 | } |
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| 256 | |||
| 257 | // Clear the "unset memory" |
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| 258 | 1 | $this->LOCAL_LANG_UNSET = array(); |
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| 259 | 1 | foreach ($translationInTypoScript as $languageKey => $languageArray) { |
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| 260 | // Remove the dot after the language key |
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| 261 | 1 | $languageKey = substr($languageKey, 0, -1); |
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| 262 | // Don't process label if the language is not loaded |
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| 263 | 1 | if (is_array($languageArray) && isset($this->LOCAL_LANG[$languageKey])) { |
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| 264 | 1 | foreach ($languageArray as $labelKey => $labelValue) { |
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| 265 | 1 | if (!is_array($labelValue)) { |
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| 266 | 1 | $this->LOCAL_LANG[$languageKey][$labelKey][0]['target'] = $labelValue; |
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| 267 | 1 | $this->LOCAL_LANG_charset[$languageKey][$labelKey] = 'utf-8'; |
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| 268 | |||
| 269 | 1 | if ($labelValue === '') { |
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| 270 | 1 | $this->LOCAL_LANG_UNSET[$languageKey][$labelKey] = ''; |
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| 271 | } |
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| 272 | } |
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| 273 | } |
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| 274 | } |
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| 275 | } |
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| 276 | } |
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| 277 | 1 | $this->LOCAL_LANG_loaded = 1; |
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| 278 | 1 | } |
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| 279 | |||
| 280 | /** |
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| 281 | * Allows to override TypoScript settings with Flexform values. |
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| 282 | * |
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| 283 | */ |
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| 284 | 3 | protected function overrideTyposcriptWithFlexformSettings() |
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| 285 | { |
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| 286 | 3 | } |
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| 287 | |||
| 288 | /** |
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| 289 | * Initializes the query from the GET query parameter. |
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| 290 | * |
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| 291 | */ |
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| 292 | 25 | protected function initializeQuery() |
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| 293 | { |
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| 294 | 25 | $this->rawUserQuery = GeneralUtility::_GET('q'); |
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| 295 | 25 | } |
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| 296 | |||
| 297 | /** |
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| 298 | * Initializes the Solr connection and tests the connection through a ping. |
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| 299 | * |
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| 300 | */ |
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| 301 | 25 | protected function initializeSearch() |
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| 302 | { |
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| 303 | 25 | $solrConnection = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Solr\\ConnectionManager')->getConnectionByPageId( |
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| 304 | 25 | $GLOBALS['TSFE']->id, |
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| 305 | 25 | $GLOBALS['TSFE']->sys_language_uid, |
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| 306 | 25 | $GLOBALS['TSFE']->MP |
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| 307 | ); |
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| 308 | |||
| 309 | 25 | $search = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Solr\\Search', $solrConnection); |
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| 310 | /** @var $this->searchService ApacheSolrForTypo3\Solr\Domain\Search\ResultSet\SearchResultSetService */ |
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| 311 | 25 | $this->searchResultsSetService = GeneralUtility::makeInstance('ApacheSolrForTypo3\Solr\Domain\Search\ResultSet\SearchResultSetService', $this->typoScriptConfiguration, $search, $this); |
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| 312 | 25 | $this->solrAvailable = $this->searchResultsSetService->getIsSolrAvailable(); |
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| 313 | 25 | $this->search = $this->searchResultsSetService->getSearch(); |
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| 314 | 25 | } |
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| 315 | |||
| 316 | /** |
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| 317 | * @return SearchResultSetService |
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| 318 | */ |
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| 319 | 25 | public function getSearchResultSetService() |
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| 320 | { |
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| 321 | 25 | return $this->searchResultsSetService; |
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| 322 | } |
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| 323 | |||
| 324 | /** |
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| 325 | * Initializes the template engine and returns the initialized instance. |
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| 326 | * |
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| 327 | * @throws \UnexpectedValueException if a view helper provider fails to implement interface ApacheSolrForTypo3\Solr\ViewHelper\ViewHelperProvider |
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| 328 | */ |
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| 329 | 25 | protected function initializeTemplateEngine() |
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| 330 | { |
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| 331 | 25 | $templateFile = $this->getTemplateFile(); |
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| 332 | 25 | $subPart = $this->getSubpart(); |
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| 333 | |||
| 334 | 25 | $flexformTemplateFile = $this->pi_getFFvalue( |
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| 335 | 25 | $this->cObj->data['pi_flexform'], |
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| 336 | 25 | 'templateFile', |
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| 337 | 25 | 'sOptions' |
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| 338 | ); |
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| 339 | 25 | if (!empty($flexformTemplateFile)) { |
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| 340 | $templateFile = $flexformTemplateFile; |
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| 341 | } |
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| 342 | |||
| 343 | /** @var Template $template */ |
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| 344 | 25 | $template = GeneralUtility::makeInstance( |
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| 345 | 25 | 'ApacheSolrForTypo3\\Solr\\Template', |
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| 346 | 25 | $this->cObj, |
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| 347 | $templateFile, |
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| 348 | $subPart |
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| 349 | ); |
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| 350 | 25 | $template->addViewHelperIncludePath($this->extKey, |
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| 351 | 25 | 'Classes/ViewHelper/'); |
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| 352 | 25 | $template->addViewHelper('LLL', array( |
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| 353 | 25 | 'languageFile' => 'EXT:solr/Resources/Private/Language/locallang.xlf', |
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| 354 | 25 | 'llKey' => $this->LLkey |
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| 355 | )); |
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| 356 | |||
| 357 | // can be used for view helpers that need configuration during initialization |
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| 358 | 25 | if (is_array($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['solr'][$this->getPluginKey()]['addViewHelpers'])) { |
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| 359 | foreach ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['solr'][$this->getPluginKey()]['addViewHelpers'] as $classReference) { |
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| 360 | $viewHelperProvider = &GeneralUtility::getUserObj($classReference); |
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| 361 | |||
| 362 | if ($viewHelperProvider instanceof ViewHelperProvider) { |
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| 363 | $viewHelpers = $viewHelperProvider->getViewHelpers(); |
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| 364 | foreach ($viewHelpers as $helperName => $helperObject) { |
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| 365 | // TODO check whether $helperAdded is TRUE, throw an exception if not |
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| 366 | $helperAdded = $template->addViewHelperObject($helperName, |
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| 367 | $helperObject); |
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| 368 | } |
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| 369 | } else { |
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| 370 | throw new \UnexpectedValueException( |
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| 371 | get_class($viewHelperProvider) . ' must implement interface ApacheSolrForTypo3\Solr\ViewHelper\ViewHelperProvider', |
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| 372 | 1310387296 |
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| 373 | ); |
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| 374 | } |
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| 375 | } |
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| 376 | } |
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| 377 | |||
| 378 | 25 | $template = $this->postInitializeTemplateEngine($template); |
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| 379 | |||
| 380 | 25 | $this->template = $template; |
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| 381 | 25 | } |
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| 382 | |||
| 383 | /** |
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| 384 | * Initializes the javascript manager. |
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| 385 | * |
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| 386 | */ |
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| 387 | 25 | protected function initializeJavascriptManager() |
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| 388 | { |
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| 389 | 25 | $this->javascriptManager = GeneralUtility::makeInstance('ApacheSolrForTypo3\\Solr\\JavascriptManager'); |
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| 390 | 25 | } |
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| 391 | |||
| 392 | /** |
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| 393 | * Initializes the language factory; |
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| 394 | */ |
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| 395 | 25 | protected function initializeLanguageFactory() |
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| 399 | |||
| 400 | /** |
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| 401 | * This method is called after initializing in the initialize method. |
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| 402 | * Overwrite this method to do your own initialization. |
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| 403 | * |
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| 404 | * @return void |
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| 405 | */ |
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| 406 | 3 | protected function postInitialize() |
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| 407 | { |
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| 408 | 3 | } |
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| 409 | |||
| 410 | /** |
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| 411 | * Overwrite this method to do own initialisations of the template. |
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| 412 | * |
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| 413 | * @param Template $template Template |
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| 414 | * @return Template |
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| 415 | */ |
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| 416 | protected function postInitializeTemplateEngine(Template $template) |
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| 417 | { |
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| 418 | return $template; |
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| 419 | } |
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| 420 | |||
| 421 | // Rendering |
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| 422 | |||
| 423 | /** |
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| 424 | * This method executes the requested commands and applies the changes to |
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| 425 | * the template. |
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| 426 | * |
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| 427 | * @param $actionResult |
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| 428 | * @return string Rendered plugin content |
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| 429 | */ |
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| 430 | abstract protected function render($actionResult); |
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| 431 | |||
| 432 | /** |
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| 433 | * Renders a solr error. |
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| 434 | * |
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| 435 | * @return string A representation of the error that should be understandable for the user. |
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| 436 | */ |
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| 437 | protected function renderError() |
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| 438 | { |
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| 439 | $this->template->workOnSubpart('solr_search_unavailable'); |
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| 440 | |||
| 441 | return $this->template->render(); |
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| 442 | } |
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| 443 | |||
| 444 | /** |
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| 445 | * Renders a solr exception. |
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| 446 | * |
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| 447 | * @return string A representation of the exception that should be understandable for the user. |
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| 448 | */ |
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| 449 | protected function renderException() |
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| 450 | { |
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| 451 | $this->template->workOnSubpart('solr_search_error'); |
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| 452 | |||
| 453 | return $this->template->render(); |
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| 454 | } |
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| 455 | |||
| 456 | /** |
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| 457 | * Should be overwritten to do things before rendering. |
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| 458 | * |
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| 459 | */ |
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| 460 | 2 | protected function preRender() |
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| 461 | { |
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| 462 | 2 | } |
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| 463 | |||
| 464 | /** |
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| 465 | * Overwrite this method to perform changes to the content after rendering. |
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| 466 | * |
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| 467 | * @param string $content The content rendered by the plugin so far |
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| 468 | * @return string The content that should be presented on the website, might be different from the output rendered before |
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| 469 | */ |
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| 470 | 25 | protected function postRender($content) |
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| 471 | { |
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| 472 | 25 | if (isset($this->conf['stdWrap.'])) { |
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| 473 | $content = $this->cObj->stdWrap($content, $this->conf['stdWrap.']); |
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| 474 | } |
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| 475 | |||
| 476 | 25 | return $content; |
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| 477 | } |
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| 478 | |||
| 479 | // Helper methods |
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| 480 | |||
| 481 | /** |
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| 482 | * Determines the template file from the configuration. |
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| 483 | * |
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| 484 | * Overwrite this method to use a different template. |
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| 485 | * |
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| 486 | * @return string The template file name to be used for the plugin |
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| 487 | */ |
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| 488 | 25 | protected function getTemplateFile() |
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| 489 | { |
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| 490 | 25 | return $this->typoScriptConfiguration->getTemplateByFileKey($this->getTemplateFileKey()); |
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| 491 | } |
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| 492 | |||
| 493 | /** |
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| 494 | * This method should be implemented to return the TSconfig key which |
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| 495 | * contains the template name for this template. |
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| 496 | * |
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| 497 | * @see initializeTemplateEngine() |
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| 498 | * @return string The TSconfig key containing the template name |
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| 499 | */ |
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| 500 | abstract protected function getTemplateFileKey(); |
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| 501 | |||
| 502 | /** |
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| 503 | * Gets the plugin's template instance. |
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| 504 | * |
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| 505 | * @return Template The plugin's template. |
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| 506 | */ |
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| 507 | 25 | public function getTemplate() |
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| 508 | { |
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| 509 | 25 | return $this->template; |
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| 510 | } |
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| 511 | |||
| 512 | /** |
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| 513 | * Gets the plugin's javascript manager. |
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| 514 | * |
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| 515 | * @return JavascriptManager The plugin's javascript manager. |
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| 516 | */ |
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| 517 | 25 | public function getJavascriptManager() |
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| 518 | { |
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| 519 | 25 | return $this->javascriptManager; |
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| 520 | } |
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| 521 | |||
| 522 | /** |
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| 523 | * Should return the relevant subpart of the template. |
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| 524 | * |
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| 525 | * @see initializeTemplateEngine() |
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| 526 | * @return string The subpart of the template to be used |
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| 527 | */ |
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| 528 | abstract protected function getSubpart(); |
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| 529 | |||
| 530 | /** |
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| 531 | * This method should return the plugin key. Reads some configuration |
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| 532 | * options in initializeTemplateEngine() |
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| 533 | * |
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| 534 | * @see initializeTemplateEngine() |
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| 535 | * @return string The plugin key |
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| 536 | */ |
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| 537 | abstract protected function getPluginKey(); |
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| 538 | |||
| 539 | /** |
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| 540 | * Gets the target page Id for links. Might have been set through either |
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| 541 | * flexform or TypoScript. If none is set, TSFE->id is used. |
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| 542 | * |
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| 543 | * @return int The page Id to be used for links |
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| 544 | */ |
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| 545 | 18 | public function getLinkTargetPageId() |
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| 546 | { |
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| 547 | 18 | return $this->typoScriptConfiguration->getSearchTargetPage(); |
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| 548 | } |
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| 549 | |||
| 550 | /** |
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| 551 | * Gets the user's query term and cleans it so that it can be used in |
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| 552 | * templates f.e. |
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| 553 | * |
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| 554 | * @return string The cleaned user query. |
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| 555 | */ |
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| 556 | 25 | public function getCleanUserQuery() |
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| 557 | { |
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| 558 | 25 | $userQuery = $this->getRawUserQuery(); |
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| 559 | |||
| 560 | 25 | if (!is_null($userQuery)) { |
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| 561 | 21 | $userQuery = Query::cleanKeywords($userQuery); |
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| 562 | } |
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| 563 | |||
| 564 | // escape triple hashes as they are used in the template engine |
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| 565 | // TODO remove after switching to fluid templates |
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| 566 | 25 | $userQuery = Template::escapeMarkers($userQuery); |
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| 567 | |||
| 568 | 25 | return $userQuery; |
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| 569 | } |
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| 570 | |||
| 571 | /** |
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| 572 | * Gets the raw user query |
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| 573 | * |
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| 574 | * @return string Raw user query. |
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| 575 | */ |
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| 576 | 25 | public function getRawUserQuery() |
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| 580 | |||
| 581 | /** |
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| 582 | * @return string |
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| 583 | */ |
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| 584 | 25 | protected function getCurrentUrlWithQueryLinkBuilder() |
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| 600 | } |
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| 601 |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.