<?php

/*
 * $Id: $
 *
 * KnowledgeTree Community Edition
 * Document Management Made Simple
 * Copyright (C) 2008, 2009, 2010 KnowledgeTree Inc.
 * 
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 3 as published by the
 * Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco, 
 * California 94120-7775, or email info@knowledgetree.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * KnowledgeTree" logo and retain the original copyright notice. If the display of the 
 * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
 * must display the words "Powered by KnowledgeTree" and retain the original 
 * copyright notice.
 * Contributor( s): ______________________________________
 *
 */

require_once(KT_LIB_DIR . '/widgets/portlet.inc.php');
require_once('TagCloudUtil.inc.php');

class TagCloudPortlet extends KTPortlet {
    var $bActive = true;
    var $oUser = '';
    var $sTag = '';

    function TagCloudPortlet($oUser = NULL, $sTag = NULL) {
        if(empty($oUser)){
            $iUserId = $_SESSION['userID'];
            $oUser = User::get($iUserId);
        }
        $this->oUser = $oUser;
        $this->sTag = $sTag;
        $title = _kt('Tag Cloud');
        parent::KTPortlet($title);
    }

    function render() {
        $oRegistry =& KTPluginRegistry::getSingleton();
        $oPlugin =& $oRegistry->getPlugin('ktcore.tagcloud.plugin');
        $url = $oPlugin->getPagePath('TagCloudRedirection');
        $url .= '&action=search';

        $aTags = get_relevant_tags($this->oUser, $this->sTag);
        $aTags = get_tag_weightings($aTags);

        $oTemplating =& KTTemplating::getSingleton();
        $oTemplate = $oTemplating->loadTemplate('TagCloud/portlet');
        $aTemplateData = array(
    		'tags' => $aTags,
    		'url' => $url
		);
        return $oTemplate->render($aTemplateData);
    }

}

?>