class.ilCopyWizardSettingsXMLParser.php

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<?php
/*
 * Created on 26.02.2008
 *
 * To change the template for this generated file go to
 * Window - Preferences - PHPeclipse - PHP - Code Templates
 */

include_once "./Services/Xml/classes/class.ilSaxParser.php";
include_once "./Services/Xml/exceptions/class.ilSaxParserException.php";
include_once "./Services/CopyWizard/classes/class.ilCopyWizardOptions.php";

class ilCopyWizardSettingsXMLParser extends ilSaxParser
{

  private $options;
  private $source_id;
  private $target_id;
  private $default_action;

  function __construct($xml)
  {
    parent::__construct('', true);
    $this->setXMLContent($xml);    
  }

  function setHandlers($a_xml_parser)
  {
        xml_set_object($a_xml_parser,$this);
    xml_set_element_handler($a_xml_parser,'handlerBeginTag','handlerEndTag');
    xml_set_character_data_handler($a_xml_parser,'handlerCharacterData');
  }

  function handlerBeginTag($a_xml_parser,$a_name,$a_attribs)
  {
        global $objDefinition, $ilAccess, $tree;
        
        switch($a_name)
    {
      case 'Settings':
        $this->options = array();
        $this->source_id = (int) $a_attribs["source_id"];
        if(ilObject::_isInTrash($this->source_id))
                {
                        throw new ilSaxParserException("Source id ".$this->source_id." is in trash");
                }
        $this->target_id = (int) $a_attribs["target_id"];
        if(ilObject::_isInTrash($this->target_id))
                {
                        throw new ilSaxParserException("target id".$this->target_id." is in trash");
                }
        
        $this->default_action = ilCopyWizardSettingsXMLParser::getActionForString($a_attribs["default_action"]);
        break;
      case 'Option':
        $id = (int) $a_attribs["id"];
        if(ilObject::_isInTrash($id))
                                {
                                        throw new ilSaxParserException("Id $id is in trash");
                                }       
        if(!$tree->isInTree($id))
                                {
                                        throw new ilSaxParserException("Id $id does not exist");
                                }       
                                
                                $action = ilCopyWizardSettingsXMLParser::getActionForString($a_attribs["action"]);
                                $type = ilObjectFactory::getTypeByRefId($id);
                                
                                
                                switch ($action) {
                                        case ilCopyWizardOptions::COPY_WIZARD_COPY:
                                                        $perm_copy = $ilAccess->checkAccess('copy','',$id);
                                                        $copy = $objDefinition->allowCopy($type);
                                                
                                                        if ($perm_copy && $copy)
                                                                $this->options [$id] = array("type" => $action);
                                                        elseif ($copy && !$perm_copy)
                                                                throw new ilSaxParserException("Missing copy permission for object ".$id);
                                                        elseif (!$copy)
                                                                throw new ilSaxParserException("Copy for object ".$id." of type ".$type." is not supported");
                                                        break;
                                        case ilCopyWizardOptions::COPY_WIZARD_LINK:
                                                        $perm_link = $ilAccess->checkAccess('write','',$id);
                                                        $link = $objDefinition->allowLink($type);
                                                
                                                        if ($perm_link && $link)
                                                                $this->options [$id] = array("type" => $action);
                                                        elseif ($copy && !$perm_link)
                                                                throw new ilSaxParserException("Missing write permission for object ".$id);
                                                        elseif (!$link)
                                                                throw new ilSaxParserException("Link for object ".$id." of type ".$type." is not supported");                           
                                                        break;                                  
                                }
    }
  }


  function getOptions() {
    return is_array($this->options) ? $this->options : array();
  }
  
  function getSourceId() {
        return $this->source_id;
  }
  
        function getTargetId()  {
                return $this->target_id;
        }

        private static function getActionForString($s){
                if ($s == "COPY")
                        return ilCopyWizardOptions::COPY_WIZARD_COPY;
                if ($s == "LINK")
                        return ilCopyWizardOptions::COPY_WIZARD_LINK;
                return ilCopyWizardOptions::COPY_WIZARD_OMIT;
        }

        function handlerEndTag($a_xml_parser,$a_name)
        {
        }

        function handlerCharacterData($a_xml_parser,$a_data) {  
        }
}
?>