class.ilBookmarkExplorer.php

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<?php

/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once("./Services/UIComponent/Explorer/classes/class.ilExplorer.php");

/*
* Explorer View for Bookmarks
*
* @author Alex Killing <alex.killing@gmx.de>
* @author Manfred Thaler <manfred.thaler@endo7.com>
* @version $Id$
* @ingroup ServicesBookmarks
*
*/
class ilBookmarkExplorer extends ilExplorer
{
        var $user_id;

        var $root_id;

        var $allowed_types;

        function ilBookmarkExplorer($a_target,$a_user_id)
        {
                parent::ilExplorer($a_target);
                $this->tree = new ilTree($a_user_id);
                $this->tree->setTableNames('bookmark_tree','bookmark_data');
                $this->root_id = $this->tree->readRootId();
                $this->user_id = $a_user_id;
                $this->allowed_types= array ('bmf','dum');
                $this->enablesmallmode = false;
        }

        function setEnableSmallMode($a_enablesmallmode)
        {
                $this->enablesmallmode = $a_enablesmallmode;
        }

        function getEnableSmallMode()
        {
                return $this->enablesmallmode;
        }


        function setOutput($a_parent, $a_depth = 1)
        {
                global $lng;
                static $counter = 0;

                if ($objects =  $this->tree->getChilds($a_parent,"type DESC,title"))
                {
//                      var_dump("<pre>",$objects,"</pre");
                        $tab = ++$a_depth - 2;

                        if($a_depth < 4)
                        {
                                for($i=0;$i<count($objects);++$i)
                                {
                                        //$objects[$i]["title"] = $lng->txt("mail_".$objects[$i]["title"]);
                                        //$objects[$i]["title"] = "TEEST";
                                }
                        }
                        
                        foreach ($objects as $key => $object)
                        {
                                if (!in_array($object["type"],$this->allowed_types))
                                {
                                        continue;
                                }
                                
                                //ask for FILTER
                                if ($object["child"] != $this->root_id)
                                {
                                        //$data = $this->tree->getParentNodeData($object["child"]);
                                        $parent_index = $this->getIndex($object);
                                }
                                // Store targets for Bookmarks
                                if ($object["type"]=='bm') {
                                        $this->bm_targets[$object["child"]]=$object["target"];
                                };
                                                                
                                if($this->root && !$counter)
                                {
                                        $counter++;
                                        $object["title"] = $this->root;
                                        $a_depth++;
                                }
                                
                                $this->format_options["$counter"]["parent"] = $object["parent"];
                                $this->format_options["$counter"]["child"] = $object["child"];
                                $this->format_options["$counter"]["title"] = $object["title"];
                                $this->format_options["$counter"]["description"] = $object["description"];
                                $this->format_options["$counter"]["type"] = $object["type"];
                                $this->format_options["$counter"]["depth"] = $tab;
                                $this->format_options["$counter"]["container"] = false;
                                $this->format_options["$counter"]["visible"]      = true;

                                // Create prefix array
                                for ($i = 0; $i < $tab; ++$i)
                                {
                                        $this->format_options["$counter"]["tab"][] = 'blank';
                                }
                                // only if parent is expanded and visible, object is visible
                                if ($object["child"] != $this->root_id  and ((!in_array($object["parent"],$this->expanded) && !$this->expand_all)
                                                                                                                  or !$this->format_options["$parent_index"]["visible"]))
                                {
                                        $this->format_options["$counter"]["visible"] = false;
                                }

                                // if object exists parent is container
                                if ($object["child"] != $this->root_id)
                                {
                                        $this->format_options["$parent_index"]["container"] = true;

                                        if(!$this->expand_all)
                                        {
                                                if (in_array($object["parent"],$this->expanded))
                                                {
                                                        $this->format_options["$parent_index"]["tab"][($tab-2)] = 'minus';
                                                }
                                                else
                                                {
                                                        $this->format_options["$parent_index"]["tab"][($tab-2)] = 'plus';
                                                }
                                        }
                                }

                                ++$counter;

                                // Recursive
                                $this->setOutput($object["child"],$a_depth);
                        } //foreach
                } //if
        } //function

        function formatHeader($a_obj_id,$a_option)
        {
                global $lng, $ilias;

        }

        function setExpand($a_node_id)
        {
                if ($a_node_id == "")
                {
                        $a_node_id = $this->root_id;
                }

                // IF ISN'T SET CREATE SESSION VARIABLE
                if(!is_array($_SESSION["mexpand"]))
                {
                        $_SESSION["mexpand"] = array();
                }
                // IF $_GET["expand"] is positive => expand this node
                if($a_node_id > 0 && !in_array($a_node_id,$_SESSION["mexpand"]))
                {
                        array_push($_SESSION["mexpand"],$a_node_id);
                }
                // IF $_GET["expand"] is negative => compress this node
                if($a_node_id < 0)
                {
                        $key = array_keys($_SESSION["mexpand"],-(int) $a_node_id);
                        unset($_SESSION["mexpand"][$key[0]]);
                }
                $this->expanded = $_SESSION["mexpand"];
        }
        function buildLinkTarget($a_node_id, $a_type)
        {
                if ($_REQUEST['bm_link'] && $a_type == 'bmf')
                {
                        $link = $_SERVER['REQUEST_URI'];
                        $link = ereg_replace('bmf_id=[0-9]*', 'bmf_id=' . $a_node_id, $link);
                        return $link;
                }

                switch ($a_type) {
                        case 'bm':
                                // return stored Bookmark target;
                                return htmlentities($this->bm_targets[$a_node_id]);
                                break;
                        default:
                                $target = (strpos($this->target, "?") === false)
                                        ? $this->target."?"
                                        : $this->target."&";
                                return $target.$this->target_get."=".$a_node_id.$this->params_get;
                }
        }
        function buildFrameTarget($a_type, $a_child = 0, $a_obj_id = 0)
        {
                switch ($a_type) {
                        case 'bm':
                                // return _blank for Bookmarks;
                                return '_blank';
                                break;
                        default:
                                return '';
                }
        }

        function setAllowedTypes($a_types)
        {
                $this->allowed_types = $a_types;
        }
        function setShowDetails($s_details)
        {
                $this->show_details = $s_details;
        }

        function buildDescription($a_desc, $a_id, $a_type)
        {
                if ($this->show_details=='y' && !empty($a_desc))
                {
                        return $a_desc;

                }
                else
                {
                        return "";
                }
        }
        
        function getImageAlt($a_def, $a_type, $a_obj_id)
        {
                global $lng;
                
                return $lng->txt("icon")." ".$lng->txt($a_type);
        }
        
        function addRoot($a_caption)
        {
                $this->root = $a_caption;
        }
}
?>