/components/com_jce/editor/extensions/browser/link.php

<?php



/**

 * @package   	JCE

 * @copyright 	Copyright Š 2009-2011 Ryan Demmer. All rights reserved.

 * @license   	GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

 * JCE is free software. This version may have been modified pursuant

 * to the GNU General Public License, and as distributed it includes or

 * is derivative of works licensed under the GNU General Public License or

 * other free or open source software licenses.

 */

defined('_JEXEC') or die('RESTRICTED');



wfimport('editor.libraries.classes.extensions.browser');



class WFLinkBrowser extends WFBrowserExtension {

    /*

     *  @var varchar

     */



    private $extensions = array();



    /**

     * Constructor activating the default information of the class

     *

     * @access	protected

     */

    public function __construct() {

        parent::__construct();



        $extensions = self::loadExtensions(array(

                    'types' => array('links')

                ));



        // Load all link extensions		

        foreach ($extensions['links'] as $link) {

            $this->extensions[] = $this->getLinkExtension($link);

        }



        $request = WFRequest::getInstance();

        $request->setRequest(array($this, 'getLinks'));

    }



    public function display() {

        parent::display();



        $document = WFDocument::getInstance();

        $document->addScript(array('tree'), 'libraries');

        $document->addScript(array('link'), 'extensions.browser.js');



        $document->addStyleSheet(array('tree'), 'libraries');



        foreach ($this->extensions as $extension) {

            $extension->display();

        }

    }



    private function &getLinkExtension($name) {

        static $links;



        if (!isset($links)) {

            $links = array();

        }



        if (empty($links[$name])) {

            $classname = 'WFLinkBrowser_' . ucfirst($name);

            if (class_exists($classname)) {

                $links[$name] = new $classname();

            }

        }



        return $links[$name];

    }



    public function render() {

        $list = array();



        foreach ($this->extensions as $extension) {

            if ($extension->isEnabled()) {

                $list[] = $extension->getList();

            }

        }



        if (count($list)) {

            $view = $this->getView('links');

            $view->assign('list', implode("\n", $list));

            $view->display();

        }

    }



    public function getLinks($args) {

        foreach ($this->extensions as $extension) {

            if (in_array($args->option, $extension->getOption())) {

                $items = $extension->getLinks($args);

            }

        }

        $array = array();

        $result = array();

        if (isset($items)) {

            foreach ($items as $item) {

                $array[] = array(

                    'id' => isset($item['id']) ? WFEditor::xmlEncode($item['id']) : '',

                    'url' => isset($item['url']) ? WFEditor::xmlEncode($item['url']) : '',

                    'name' => WFEditor::xmlEncode($item['name']), 'class' => $item['class']

                );

            }

            $result = array('folders' => $array);

        }

        return $result;

    }



    /**

     * Category function used by many extensions

     *

     * @access	public

     * @return	Category list object.

     * @since	1.5

     */

    public function getCategory($section, $parent = 1) {

        $db = JFactory::getDBO();

        $user = JFactory::getUser();

        $wf = WFEditorPlugin::getInstance();



        $query = 'SELECT id AS slug, id AS id, title, alias, access';



        if ($wf->getParam('category_alias', 1) == 1) {

            $dbquery = $db->getQuery(true);



            if (is_object($dbquery)) {

                //sqlsrv changes

                $case_when = ' CASE WHEN ';

                $case_when .= $dbquery->charLength('alias');

                $case_when .= ' THEN ';

                $a_id = $dbquery->castAsChar('id');

                $case_when .= $dbquery->concatenate(array($a_id, 'alias'), ':');

                $case_when .= ' ELSE ';

                $case_when .= $a_id . ' END as slug';

            } else {

                $case_when = ' CASE WHEN CHAR_LENGTH(alias) THEN CONCAT_WS(":", id, alias) ELSE id END as slug';

            }



            $query .= ',' . $case_when;

        }



        if (method_exists('JUser', 'getAuthorisedViewLevels')) {

            $where = ' WHERE parent_id = ' . (int) $parent;

            $where .= ' AND extension = ' . $db->Quote($section);

            $where .= ' AND access IN (' . implode(',', $user->authorisedLevels()) . ')';



            if (!$wf->checkAccess('static', 1)) {

                $where .= ' AND path != ' . $db->Quote('uncategorised');

            }

        } else {

            $where = ' WHERE section = ' . $db->Quote($section);

            $where .= ' AND access <= ' . (int) $user->get('aid');

        }



        $query .= ' FROM #__categories'

                . $where

                . ' AND published = 1'

                . ' ORDER BY title'

        ;

        $db->setQuery($query);



        return $db->loadObjectList();

    }



    /**

     * (Attempt to) Get an Itemid

     *

     * @access	public

     * @param	string $component

     * @param	array $needles

     * @return	Category list object.

     */

    public function getItemId($component, $needles = array()) {

        $match = null;



        require_once(JPATH_SITE . DS . 'includes' . DS . 'application.php');



        $tag = WF_JOOMLA15 ? 'componentid' : 'component_id';



        $component = JComponentHelper::getComponent($component);

        $menu = JSite::getMenu();

        $items = $menu->getItems($tag, $component->id);



        if ($items) {

            foreach ($needles as $needle => $id) {

                foreach ($items as $item) {

                    if ((@$item->query['view'] == $needle) && (@$item->query['id'] == $id)) {

                        $match = $item->id;

                        break;

                    }

                }

                if (isset($match)) {

                    break;

                }

            }

        }

        return $match ? '&Itemid=' . $match : '';

    }



}