class.ilSoapLMStructureReader.php

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<?php
/*
   +-----------------------------------------------------------------------------+
   | ILIAS open source                                                           |
   +-----------------------------------------------------------------------------+
   | Copyright (c) 1998-2001 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. |
   +-----------------------------------------------------------------------------+
  */


include_once "./webservice/soap/classes/class.ilSoapStructureReader.php";
include_once "./webservice/soap/classes/class.ilSoapStructureObjectFactory.php";

class ilSoapLMStructureReader extends ilSoapStructureReader
{

    public function __construct($object)
    {
        parent::__construct($object);
    }

    public function _parseStructure()
    {
        // get all child nodes in LM
        $ctree =&$this->object->getLMTree();

        $nodes = $ctree->getSubtree($ctree->getNodeData($ctree->getRootId()));

        $currentParentStructureObject = $this->structureObject;
        $currentParent = 1;

        $parents = array();
        $parents [$currentParent]= $currentParentStructureObject;

        $lastStructureObject = null;
        $lastNode = null;
        $i =0;
        foreach ($nodes as $node) {

            // only pages and chapters
            if ($node["type"] == "st" || $node["type"] == "pg") {
                //                              print_r($node);
                //                              echo $node["parent"]."<br>";
                //                              echo $node["obj_id"]."<br>";
                //                              echo $node["title"]."<br>";
                //                              print_r($parents);
                //                              echo "<br>";

                // parent has changed, to build a tree
                if ($currentParent != $node["parent"]) {
                    // did we passed this parent before?

                    if (array_key_exists($node["parent"], $parents)) {
                        //                                              echo "current_parent:".$currentParent."\n";
                        //                                              echo "parent:".$node["parent"]."\n";
                        //                                              // yes, we did, so use the known parent object
                        //                                              print_r($parents);
                        $currentParentStructureObject = $parents[$node["parent"]];

                    //                                          print_r($currentParentStructureObject);
//
//                                              die();
                    } else {
                        // no, we did not, so use the last inserted structure as new parent
                        if ($lastNode["type"] != "pg") {
                            $parents[$lastNode["child"]] = $lastStructureObject;
                            $currentParentStructureObject = $lastStructureObject;
                        }
                    }
                    $i++;
                    $currentParent = $lastNode["child"];
                }

                $lastNode = $node;

                $lastStructureObject = ilSoapStructureObjectFactory::getInstance($node["obj_id"], $node["type"], $node["title"], $node["description"], $this->getObject()->getRefId());

                $currentParentStructureObject->addStructureObject($lastStructureObject);
            }
        }

        //              print_r($this->structureObject);
//
//              die();
    }
}