class.ilNestedListInputGUI.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once 'Services/UIComponent/Toolbar/interfaces/interface.ilToolbarItem.php';

class ilNestedListInputGUI extends ilFormPropertyGUI
{
        protected $value = "1";
        protected $checked;
        protected $list_nodes = array();
        
        function __construct($a_title = "", $a_postvar = "")
        {
                parent::__construct($a_title, $a_postvar);
                $this->setType("nested_list");

                include_once("./Services/UIComponent/NestedList/classes/class.ilNestedList.php");
                $this->list = new ilNestedList();
                $this->list->setListClass("il_Explorer");
        }

        function addListNode($a_id, $a_text, $a_parent = 0, $a_checked = false, $a_disabled = false,
                $a_img_src = "", $a_img_alt = "", $a_post_var = "")
        {
                $this->list_nodes[$a_id] = array("text" => $a_text,
                        "parent" => $a_parent, "checked" => $a_checked, "disabled" => $a_disabled,
                        "img_src" => $a_img_src, "img_alt" => $a_img_alt, "post_var" => $a_post_var);
        }

        function setValue($a_value)
        {
                $this->value = $a_value;
        }

        function getValue()
        {
                return $this->value;
        }

        function setValueByArray($a_values)
        {
//              $this->setChecked($a_values[$this->getPostVar()]);
//              foreach($this->getSubItems() as $item)
//              {
//                      $item->setValueByArray($a_values);
//              }
        }
        
        function checkInput()
        {
                global $lng;
                
                return true;
        }
        
        function render()
        {
                foreach ($this->list_nodes as $id => $n)
                {
                        if ($n["post_var"] == "")
                        {
                                $post_var = $this->getPostVar()."[]";
                                $value = $id;
                        }
                        else
                        {
                                $post_var = $n["post_var"];
                                $value = $id;
                        }
                        $item_html = ilUtil::formCheckbox($n["checked"], $post_var, $value,
                                $n["disabled"]);
                        if ($n["img_src"] != "")
                        {
                                $item_html.= ilUtil::img($n["img_src"], $n["img_alt"])." ";
                        }
                        $item_html.= $n["text"];

                        $this->list->addListNode($item_html, $id, $n["parent"]);
                }

                return $this->list->getHTML();
        }

        function insert(&$a_tpl)
        {
                $html = $this->render();

                $a_tpl->setCurrentBlock("prop_generic");
                $a_tpl->setVariable("PROP_GENERIC", $html);
                $a_tpl->parseCurrentBlock();
        }

}