protected function loadViewHelper($helperKey)
{
if (isset($this->loadedHelperFiles[strtolower($helperKey)])) {
return $this->loadedHelperFiles[strtolower($helperKey)]['class'];
}
foreach ($this->viewHelperIncludePath as $extensionKey => $viewHelperPath) {
$viewHelperRealPath = $viewHelperPath;
if (\TYPO3\CMS\Core\Utility\GeneralUtility::isFirstPartOfStr($viewHelperPath, 'Classes/')) {
$viewHelperRealPath = substr($viewHelperPath, 8);
}
if (substr($viewHelperRealPath, -1) == '/') {
$viewHelperRealPath = substr($viewHelperRealPath, 0, -1);
}
$classNamePrefix = \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::getCN($extensionKey);
$possibleFilename = Tx_Solr_Util::underscoredToUpperCamelCase($helperKey) . '.php';
$possibleClassName = $classNamePrefix . '_' . str_replace('/', '_', $viewHelperRealPath) . '_' . Tx_Solr_Util::underscoredToUpperCamelCase($helperKey);
$viewHelperIncludePath = \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath($extensionKey) . $viewHelperPath . $possibleFilename;
if (file_exists($viewHelperIncludePath)) {
include_once $viewHelperIncludePath;
$this->loadedHelperFiles[strtolower($helperKey)] = array('file' => $viewHelperIncludePath, 'class' => $possibleClassName);
return $possibleClassName;
}
}
// viewhelper could not be found
return FALSE;
}