ContextMenu.php

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<?php
namespace TYPO3\CMS\Rtehtmlarea\Extension;

class ContextMenu extends \TYPO3\CMS\Rtehtmlarea\RteHtmlAreaApi {

    protected $extensionKey = 'rtehtmlarea';

    // The key of the extension that is extending htmlArea RTE
    protected $pluginName = 'ContextMenu';

    // The name of the plugin registered by the extension
    protected $relativePathToLocallangFile = '';

    // Path to this main locallang file of the extension relative to the extension dir.
    protected $relativePathToSkin = '';

    // Path to the skin (css) file relative to the extension dir.
    protected $htmlAreaRTE;

    // Reference to the invoking object
    protected $thisConfig;

    // Reference to RTE PageTSConfig
    protected $toolbar;

    // Reference to RTE toolbar array
    protected $LOCAL_LANG;

    // Frontend language array
    protected $pluginButtons;

    protected $convertToolbarForHtmlAreaArray = array();

    public function main($parentObject) {
        $enabled = parent::main($parentObject) && !($this->htmlAreaRTE->client['browser'] == 'opera' || $this->thisConfig['contextMenu.']['disabled']);
        return $enabled;
    }

    public function buildJavascriptConfiguration($editorId) {
        $registerRTEinJavascriptString = '';
        if (is_array($this->thisConfig['contextMenu.'])) {
            $registerRTEinJavascriptString .= '
    RTEarea[' . $editorId . '].contextMenu =  ' . $this->htmlAreaRTE->buildNestedJSArray($this->thisConfig['contextMenu.']) . ';';
            if ($this->thisConfig['contextMenu.']['showButtons']) {
                $registerRTEinJavascriptString .= '
    RTEarea[' . $editorId . '].contextMenu.showButtons = ' . json_encode(\TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->htmlAreaRTE->cleanList(\TYPO3\CMS\Core\Utility\GeneralUtility::strtolower($this->thisConfig['contextMenu.']['showButtons'])), TRUE)) . ';';
            }
            if ($this->thisConfig['contextMenu.']['hideButtons']) {
                $registerRTEinJavascriptString .= '
    RTEarea[' . $editorId . '].contextMenu.hideButtons = ' . json_encode(\TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->htmlAreaRTE->cleanList(\TYPO3\CMS\Core\Utility\GeneralUtility::strtolower($this->thisConfig['contextMenu.']['hideButtons'])), TRUE)) . ';';
            }
        }
        return $registerRTEinJavascriptString;
    }

}