class.ilPathGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | 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, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/
 
class ilPathGUI
{
        private $startnode = ROOT_FOLDER_ID;
        private $endnode = ROOT_FOLDER_ID;
        
        private $textOnly = true;
        private $useImages = false;
        private $hide_leaf = true;
        private $display_cut = false;
        
        protected $lng = null;
        protected $tree = null;
        
        public function __construct()
        {
                global $tree,$lng;
                
                $this->tree = $tree;
                $this->lng = $lng;
                
        }
        
        public function getPath($a_startnode,$a_endnode)
        {
                $this->startnode = $a_startnode;
                $this->endnode = $a_endnode;
                
                return $this->getHTML();
        }
        
        public function enableTextOnly($a_status)
        {
                $this->textOnly = $a_status;
        }
        
        public function textOnly()
        {
                return $this->textOnly;
        }
        
        public function enableHideLeaf($a_status)
        {
                $this->hide_leaf = $a_status;
        }
        
        public function hideLeaf()
        {
                return $this->hide_leaf;
        }
        public function setUseImages($a_status)
        {
                $this->useImages = $a_status;
        }
        
        public function getUseImages()
        {
                return $this->useImages;
        }
 
        public function enableDisplayCut($a_status)
        {
                $this->display_cut = $a_status;
        }
 
        public function  displayCut()
        {
                return $this->display_cut;
        }
        
        protected function getHTML()
        {
                if($this->textOnly())
                {
                        $tpl = new ilTemplate('tpl.locator_text_only.html',true,true, "Services/Locator");
                        
                        $first = true;
 
                        // Display cut
                        if($this->displayCut() && $this->startnode != ROOT_FOLDER_ID)
                        {
                                $tpl->setCurrentBlock('locator_item');
                                $tpl->setVariable('ITEM',"...");
                                $tpl->parseCurrentBlock();
 
                                $first = false;
                        }
 
                        foreach($this->getPathIds() as $ref_id)
                        {
                                $obj_id = ilObject::_lookupObjId($ref_id);
                                $title = ilObject::_lookupTitle($obj_id);
                                
                                if($first)
                                {
                                        if($ref_id == ROOT_FOLDER_ID)
                                        {
                                                $title = $this->lng->txt('repository');
                                        }
                                }
                                else
                                {
                                        $tpl->touchBlock('locator_separator_prefix');
                                }
 
                                $tpl->setCurrentBlock('locator_item');
                                $tpl->setVariable('ITEM',$title);
                                $tpl->parseCurrentBlock();
                                $first = false;
                        }
                        return $tpl->get();
                }
                else
                {
                        // With images and links
                        include_once './Services/Link/classes/class.ilLink.php';
                        
                        $tpl = new ilTemplate('tpl.locator.html',true,true,'Services/Locator');
                        
                        $first = true;
 
                        // Display cut 
                        if($this->displayCut() && $this->startnode != ROOT_FOLDER_ID)
                        {
                                $tpl->setCurrentBlock('locator_item');
                                $tpl->setVariable('ITEM',"...");
                                $tpl->parseCurrentBlock();
 
                                $first = false;
                        }
 
                        foreach($this->getPathIds() as $ref_id)
                        {
                                $obj_id = ilObject::_lookupObjId($ref_id);
                                $title = ilObject::_lookupTitle($obj_id);
                                $type = ilObject::_lookupType($obj_id);
                                
                                if($first)
                                {
                                        if($ref_id == ROOT_FOLDER_ID)
                                        {
                                                $title = $this->lng->txt('repository');
                                        }
                                }
                                else
                                {
                                        $tpl->touchBlock('locator_separator_prefix');
                                }
                                if($this->getUseImages())
                                {
                                        $tpl->setCurrentBlock('locator_img');
                                        $tpl->setVariable('IMG_SRC',ilUtil::getTypeIconPath($type,$obj_id));
                                        $tpl->setVariable('IMG_ALT',$this->lng->txt('obj_'.$type));
                                        $tpl->parseCurrentBlock();
                                }                               
                                $tpl->setCurrentBlock('locator_item');
                                $tpl->setVariable('LINK_ITEM',ilLink::_getLink($ref_id,$type));
                                $tpl->setVariable('ITEM',$title);
                                $tpl->parseCurrentBlock();
                                $first = false;
                        }
                        return $tpl->get();
                }
        }
        
        protected function getPathIds()
        {
                $path = $this->tree->getPathId($this->endnode,$this->startnode);
                if($this->hideLeaf())
                {
                        unset($path[count($path) - 1]);
                }
                return $path ? $path : array();
        }
}
?>