class.ilTaxonomyExplorer.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");

class ilTaxonomyExplorer extends ilExplorer
{
        function __construct($a_target, $a_tax_tree, $a_gui_class = "ilobjtaxonomygui",
                $a_gui_cmd = "listItems")
        {
                global $lng;
                
                parent::__construct($a_target);
                
                include_once("./Services/Taxonomy/classes/class.ilObjTaxonomy.php");
                $sort_mode = ilObjTaxonomy::lookupSortingMode($a_tax_tree->getTreeId());
                $this->setPostSort(false);
                if ($sort_mode == ilObjTaxonomy::SORT_MANUAL)
                {
                        $this->setPostSort(true);
                }
                
                //$this->setFilterMode(IL_FM_POSITIVE);
                //$this->addFilter("tax");
                
                $this->gui_class = $a_gui_class;
                $this->gui_cmd = $a_gui_cmd;
                $this->tree = $a_tax_tree;
                $this->root_id = $this->tree->readRootId();
                
                $this->setSessionExpandVariable("txexpand");
                $this->checkPermissions(false);
                
//              $this->setOrderColumn("order_nr");
//              $this->textwidth = 200;

                $this->force_open_path = array();
                
                $this->setRootNodeTitle($lng->txt("tax_taxonomy"));
        }

        function setRootNodeTitle($a_val)
        {
                $this->root_node_title = $a_val;
        }
        
        function getRootNodeTitle()
        {
                return $this->root_node_title;
        }
        
        function setForceOpenPath($a_path)
        {
                $this->force_open_path = $a_path;
        }

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

                $ilCtrl->setParameterByClass($this->gui_class, "tax_node",
                        $this->tree->readRootId());
                
                $tpl->setCurrentBlock("icon");
                $tpl->setVariable("ICON_IMAGE" , ilUtil::getImagePath("icon_scat_s.png"));
                $tpl->setVariable("TXT_ALT_IMG", $lng->txt("tax_node"));
                $tpl->parseCurrentBlock();

                $tpl->setCurrentBlock("link");
                $tpl->setVariable("TITLE", $this->getRootNodeTitle());
                if ($this->highlighted == $this->tree->readRootId())
                {
                        $tpl->setVariable("A_CLASS", "class='il_HighlightedNode'");
                }
                $tpl->setVariable("LINK_TARGET",
                        $ilCtrl->getLinkTargetByClass($this->gui_class, $this->gui_cmd));
                $tpl->parseCurrentBlock();
                
                $tpl->touchBlock("element");
                $ilCtrl->setParameterByClass($this->gui_class, "tax_node",
                        $_GET["tax_node"]);

        }

        function formatObject(&$tpl, $a_node_id,$a_option,$a_obj_id = 0)
        {
                global $lng;
                
/*              $tpl->setCurrentBlock("icon");
                $tpl->setVariable("ICON_IMAGE" , $this->getImage("icon_".$a_option["type"]."_s.png", $a_option["type"], $a_obj_id));
                $tpl->setVariable("TARGET_ID" , "iconid_".$a_node_id);
                $this->iconList[] = "iconid_".$a_node_id;
                $tpl->setVariable("TXT_ALT_IMG", $lng->txt($a_option["desc"]));
                $tpl->parseCurrentBlock();
                
                $this->outputIcons(false);*/
                parent::formatObject($tpl, $a_node_id,$a_option,$a_obj_id);
        }
        
        function isClickable($a_type, $a_obj_id = 0)
        {
                global $ilUser;
                return true;
        }
        
        function buildLinkTarget($a_node_id, $a_type)
        {
                global $ilCtrl;
                
                switch($a_type)
                {
                        // taxonomy node
                        case "taxn":
                                $ilCtrl->setParameterByClass($this->gui_class, "tax_node", $a_node_id);
                                $ret = $ilCtrl->getLinkTargetByClass($this->gui_class, $this->gui_cmd);
                                $ilCtrl->setParameterByClass($this->gui_class, "tax_node", $_GET["tax_node"]);
                                return $ret;
                                break;
                }
        }

        function buildTitle($a_title, $a_id, $a_type)
        {
                return $a_title;
        }

        function forceExpanded($a_obj_id)
        {
                if (in_array($a_obj_id, $this->force_open_path))
                {
                        return true;
                }
                return false;
        }

        function buildFrameTarget($a_type, $a_child = 0, $a_obj_id = 0)
        {
                return "";
        }
        
        function getImage($a_name, $a_type = "", $a_obj_id = "")
        {
                return ilUtil::getImagePath($a_name);
        }

        function sortNodes($a_nodes,$a_parent_obj_id)
        {
                $a_nodes = ilUtil::sortArray($a_nodes, "order_nr", "asc", true);
                
                
                return $a_nodes;
        }

}
?>