Icon Dropdown für eigenes Modul

array(4) {
  [0]=>
  string(35) ""


"Datei "
  [1]=>
  string(72) "/www/htdocs/w00f5ceb/feuerwehr/administrator/media/jui/less/icomoon.less"
  [2]=>
  string(16) " nicht gefunden."
  [3]=>
  string(4) "

<?php
/*
Das Script basiert auf der Icomoon Ausgabe von Volkmar Schlothauer:
https://www.ghsvs.de/programmierer-schnipsel/joomla/80-joomla3-icon-klassen-css-icomoon-font


<name>MOD_JFSBOOTSTRAPALERT</name>
<author>Kommunikationsdesign Jan-Frederik Stieler</author>
<creationDate>Juli 2016</creationDate>
<copyright>Copyright (C) 2016  Jan-Frederik Stieler. All rights reserved.</copyright>
<license>GNU General Public License version 2 or later</license>
<authorEmail>*****</authorEmail>
<authorUrl>www.janstieler.de</authorUrl>
<version>1.0.0</version>
*/


// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die('Restricted access');
 
JFormHelper::loadFieldClass('list');
 
class JFormFieldIconmoon extends JFormFieldList{
    /**
     * The form field type.
     */
    public $type                = 'Iconmoon';


    /**
     * Overrides parent's getinput method
     */
    public function getInput() {
        $module                 = strrchr(dirname(__DIR__), 'mod_');
        $doc                    =& JFactory::getDocument();


        $file                   = '/media/jui/less/icomoon.less';
        $fileCss                = '/media/jui/css/icomoon.css';
        $chosenIconJS           = '/media/' . $module . '/chosen-icon/chosenIcon.jquery.js';
        $chosenIconCSS          = '/media/' . $module . '/chosen-icon/chosenIcon.css';


        
        $fileAbs                = JPATH_SITE . $file;
        $fileCssAbs             = JPATH_SITE . $fileCss;

        $chosenIconJSAbs        = JPATH_SITE . $chosenIconJS;

        $chosenIconCSSDoc       = $doc->addStyleSheet( $chosenIconCSS );

        //Load ChosenIcon
        if (!file_exists($chosenIconJSAbs)) {
            return JFactory::getApplication()->enqueueMessage('Datei <strong>' . $chosenIconJS . '</strong> nicht gefunden.', 'error');            
        }
        else {
            $doc->addScript( $chosenIconJS );
            $doc->addScriptDeclaration('
                jQuery(document).ready(function (){
                    jQuery("#' . $this->id . '").chosenIcon({
                        disable_search_threshold: 6
                    });
                });
            ');
        }

        $html                   = array();

        $html[]                 = '<select id="'.$this->id.'" name="'.$this->name.'" data-placeholder="Choose a Icon..." >';

        if (!file_exists($fileAbs)) {
            return JFactory::getApplication()->enqueueMessage('Datei <strong>' . $fileCss . '</strong> nicht gefunden.', 'error');
        }
        elseif (!file_exists($fileCssAbs)) {
            return JFactory::getApplication()->enqueueMessage('Datei <strong>' . $fileCssAbs . '</strong> nicht gefunden.', 'error');
        }
        else {
            $fileContent        = file_get_contents($fileAbs);
            $muster             = '/(\.icon-[-a-z0-9]+:before(,.+?|))\s*{\s*content:\s*\"([^"]*)\"/s';
            $found              = preg_match_all($muster, $fileContent, $matches, PREG_SET_ORDER);

            foreach ($matches as $key => &$match) {
                if (empty($match[1]) || empty($match[3])) {
                    unset($matches[$key]);
                    continue;
                }
                unset($match[0], $match[2]);

                $match[1]       = str_replace(array(' ', ':before', "\n", "\r", '.'), '', $match[1]);
                $match[1]       = explode(',', $match[1]);
            }
            unset($match);

            if (count($matches)) {
                // $matches = array_values($matches);
                foreach ($matches as $match) {
                    foreach ($match[1] as $cssClass) {
                        $html[] = '<option value="' . $cssClass . '" data-icon="' . $cssClass . '" >' . $cssClass . '</option>';
                    }
                }
            }
        }

        // close the HTML select options
        $html[]                 = '</select>';

        // return the HTML
        return implode($html);
    }
}
?>