class.ilConditionSelector.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "./Services/Repository/classes/class.ilRepositorySelectorExplorerGUI.php";

class ilConditionSelector extends ilRepositorySelectorExplorerGUI
{
    protected $highlighted_parent = null;
    protected $clickable_types = array();
    protected $ref_id = null;

    public function __construct(
        $a_parent_obj,
        $a_parent_cmd,
        $a_selection_gui = null,
        $a_selection_cmd = "add",
        $a_selection_par = "source_id"
    ) {
        parent::__construct(
            $a_parent_obj,
            $a_parent_cmd,
            $a_selection_gui,
            $a_selection_cmd,
            $a_selection_par
        );

        $this->setAjax(true);
    }

    public function isNodeVisible($a_node)
    {
        global $ilAccess, $tree;

        if (!$ilAccess->checkAccess('read', '', $a_node["child"])) {
            return false;
        }
        //remove childs of target object
        if ($tree->getParentId($a_node["child"]) == $this->getRefId()) {
            return false;
        }

        return true;
    }

    public function isNodeClickable($a_node)
    {
        if (!parent::isNodeClickable($a_node)) {
            return false;
        }

        if ($a_node["child"] == $this->getRefId()) {
            return false;
        }

        return true;
    }

    public function setRefId($a_ref_id)
    {
        global $tree;

        $this->ref_id = $a_ref_id;

        //can target object be highlighted?
        $target_type = ilObject::_lookupType($a_ref_id, true);

        if (!in_array($target_type, $this->getTypeWhiteList())) {
            $this->highlighted_parent = $tree->getParentId($a_ref_id);
        }
    }

    public function getRefId()
    {
        return $this->ref_id;
    }

    public function isNodeHighlighted($a_node)
    {
        //highlight parent if target object cant be highlighted
        if ($this->highlighted_parent == $a_node["child"]) {
            return true;
        }

        return parent::isNodeHighlighted($a_node);
    }
}