Typo3Link.php

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

use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;

class Typo3Link extends \TYPO3\CMS\Rtehtmlarea\RteHtmlAreaApi {

    protected $extensionKey = 'rtehtmlarea';

    // The key of the extension that is extending htmlArea RTE
    protected $pluginName = 'TYPO3Link';

    // 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 = 'extensions/TYPO3Link/skin/htmlarea.css';

    // 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 = 'link, unlink';

    protected $convertToolbarForHtmlAreaArray = array(
        'link' => 'CreateLink',
        'unlink' => 'UnLink'
    );

    public function main($parentObject) {
        $enabled = parent::main($parentObject);
        // Check if this should be enabled based on Page TSConfig
        return $enabled && !$this->thisConfig['buttons.']['link.']['TYPO3Browser.']['disabled'];
    }

    public function buildJavascriptConfiguration($RTEcounter) {
        $registerRTEinJavascriptString = '';
        $button = 'link';
        if (in_array($button, $this->toolbar)) {
            if (!is_array($this->thisConfig['buttons.']) || !is_array($this->thisConfig['buttons.'][($button . '.')])) {
                $registerRTEinJavascriptString .= '
            RTEarea[' . $RTEcounter . '].buttons.' . $button . ' = new Object();';
            }
            $registerRTEinJavascriptString .= '
            RTEarea[' . $RTEcounter . '].buttons.' . $button . '.pathLinkModule = ' . GeneralUtility::quoteJSvalue(BackendUtility::getModuleUrl('rtehtmlarea_wizard_element_browser'));
            if ($this->htmlAreaRTE->is_FE()) {
                $RTEProperties = $this->htmlAreaRTE->RTEsetup;
            } else {
                $RTEProperties = $this->htmlAreaRTE->RTEsetup['properties'];
            }
            if (is_array($RTEProperties['classesAnchor.'])) {
                $registerRTEinJavascriptString .= '
            RTEarea[' . $RTEcounter . '].buttons.' . $button . '.classesAnchorUrl = "' . $this->htmlAreaRTE->writeTemporaryFile('', ('classesAnchor_' . $this->htmlAreaRTE->contentLanguageUid), 'js', $this->buildJSClassesAnchorArray(), TRUE) . '";';
            }
            $registerRTEinJavascriptString .= '
            RTEarea[' . $RTEcounter . '].buttons.' . $button . '.additionalAttributes = "data-htmlarea-external' . ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF'][$this->extensionKey]['plugins'][$this->pluginName]['additionalAttributes'] ? ',' . $GLOBALS['TYPO3_CONF_VARS']['EXTCONF'][$this->extensionKey]['plugins'][$this->pluginName]['additionalAttributes'] : '') . '";';
        }
        return $registerRTEinJavascriptString;
    }

    public function buildJSClassesAnchorArray() {
        global $LANG;
        $JSClassesAnchorArray .= 'HTMLArea.classesAnchorSetup = [ ' . LF;
        $classesAnchorIndex = 0;
        foreach ($this->htmlAreaRTE->RTEsetup['properties']['classesAnchor.'] as $label => $conf) {
            if (is_array($conf) && $conf['class']) {
                $JSClassesAnchorArray .= ($classesAnchorIndex++ ? ',' : '') . ' { ' . LF;
                $index = 0;
                $JSClassesAnchorArray .= ($index++ ? ',' : '') . 'name : "' . str_replace('"', '', str_replace('\'', '', $conf['class'])) . '"' . LF;
                if ($conf['type']) {
                    $JSClassesAnchorArray .= ($index++ ? ',' : '') . 'type : "' . str_replace('"', '', str_replace('\'', '', $conf['type'])) . '"' . LF;
                }
                if (trim(str_replace('\'', '', str_replace('"', '', $conf['image'])))) {
                    $JSClassesAnchorArray .= ($index++ ? ',' : '') . 'image : "' . $this->htmlAreaRTE->siteURL . \TYPO3\CMS\Core\Utility\GeneralUtility::resolveBackPath((TYPO3_mainDir . $this->htmlAreaRTE->getFullFileName(trim(str_replace('\'', '', str_replace('"', '', $conf['image'])))))) . '"' . LF;
                }
                $JSClassesAnchorArray .= ($index++ ? ',' : '') . 'addIconAfterLink : ' . ($conf['addIconAfterLink'] ? 'true' : 'false') . LF;
                if (trim($conf['altText'])) {
                    $string = $this->htmlAreaRTE->getLLContent(trim($conf['altText']));
                    $JSClassesAnchorArray .= ($index++ ? ',' : '') . 'altText : ' . str_replace('"', '\\"', str_replace('\\\'', '\'', $string)) . LF;
                }
                if (trim($conf['titleText'])) {
                    $string = $this->htmlAreaRTE->getLLContent(trim($conf['titleText']));
                    $JSClassesAnchorArray .= ($index++ ? ',' : '') . 'titleText : ' . str_replace('"', '\\"', str_replace('\\\'', '\'', $string)) . LF;
                }
                if (trim($conf['target'])) {
                    $JSClassesAnchorArray .= ($index++ ? ',' : '') . 'target : "' . trim($conf['target']) . '"' . LF;
                }
                $JSClassesAnchorArray .= '}' . LF;
            }
        }
        $JSClassesAnchorArray .= '];' . LF;
        return $JSClassesAnchorArray;
    }

    public function applyToolbarConstraints($show) {
        // We will not allow unlink if link is not enabled
        if (!in_array('link', $show)) {
            return array_diff($show, \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->pluginButtons));
        } else {
            return $show;
        }
    }

}