backup/cc/cc_lib/cc_version11.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * @package    backup-convert
  19  * @subpackage cc-library
  20  * @copyright  2011 Darko Miletic <dmiletic@moodlerooms.com>
  21  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  */
  23
  24 require_once('cc_version1.php');
  25
  26 /**
  27  * Version 1.1 class of Common Cartridge
  28  *
  29  */
  30 class cc_version11 extends cc_version1 {
  31     const webcontent         = 'webcontent';
  32     const questionbank       = 'imsqti_xmlv1p2/imscc_xmlv1p1/question-bank';
  33     const assessment         = 'imsqti_xmlv1p2/imscc_xmlv1p1/assessment';
  34     const associatedcontent  = 'associatedcontent/imscc_xmlv1p1/learning-application-resource';
  35     const discussiontopic    = 'imsdt_xmlv1p1';
  36     const weblink            = 'imswl_xmlv1p1';
  37     const basiclti           = 'imsbasiclti_xmlv1p0';
  38
  39     public static $checker = array(self::webcontent,
  40                                    self::assessment,
  41                                    self::associatedcontent,
  42                                    self::discussiontopic,
  43                                    self::questionbank,
  44                                    self::weblink,
  45                                    self::basiclti);
  46
  47     /**
  48      * Validate if the type are valid or not
  49      *
  50      * @param string $type
  51      * @return bool
  52      */
  53     public function valid($type) {
  54         return in_array($type, self::$checker);
  55     }
  56
  57     public function __construct() {
  58         $this->ccnamespaces = array('imscc'    => 'http://www.imsglobal.org/xsd/imsccv1p1/imscp_v1p1',
  59                                     'lomimscc' => 'http://ltsc.ieee.org/xsd/imsccv1p1/LOM/manifest'  ,
  60                                     'lom'      => 'http://ltsc.ieee.org/xsd/imsccv1p1/LOM/resource'  ,
  61                                     'xsi'      => 'http://www.w3.org/2001/XMLSchema-instance'
  62                                    );
  63
  64         $this->ccnsnames    = array('imscc'    => 'http://www.imsglobal.org/profile/cc/ccv1p1/ccv1p1_imscp_v1p2_v1p0.xsd'     ,
  65                                     'lomimscc' => 'http://www.imsglobal.org/profile/cc/ccv1p1/LOM/ccv1p1_lommanifest_v1p0.xsd',
  66                                     'lom'      => 'http://www.imsglobal.org/profile/cc/ccv1p1/LOM/ccv1p1_lomresource_v1p0.xsd'
  67                                    );
  68
  69         $this->ccversion    = '1.1.0';
  70         $this->camversion   = '1.1.0';
  71         $this->_generator   = 'Moodle 2 Common Cartridge generator';
  72     }
  73
  74     protected function update_items($items, DOMDocument &$doc, DOMElement &$xmlnode) {
  75         foreach ($items as $key => $item) {
  76             $itemnode = $doc->createElementNS($this->ccnamespaces['imscc'], 'item');
  77             $this->update_attribute($doc, 'identifier'   , $key                , $itemnode);
  78             $this->update_attribute($doc, 'identifierref', $item->identifierref, $itemnode);
  79             if (!is_null($item->title)) {
  80                 $titlenode = $doc->createElementNS($this->ccnamespaces['imscc'], 'title');
  81                 $titlenode->appendChild(new DOMText($item->title));
  82                 $itemnode->appendChild($titlenode);
  83             }
  84             if ($item->has_child_items()) {
  85                 $this->update_items($item->childitems, $doc, $itemnode);
  86             }
  87             $xmlnode->appendChild($itemnode);
  88         }
  89     }
  90
  91     /**
  92      * Create Education Metadata (How To)
  93      *
  94      * @param object $met
  95      * @param DOMDocument $doc
  96      * @param object $xmlnode
  97      * @return DOMNode
  98      */
  99     public function create_metadata_educational($met, DOMDocument  &$doc, $xmlnode) {
 100         $metadata = $doc->createElementNS($this->ccnamespaces['imscc'], 'metadata');
 101         $xmlnode->insertBefore($metadata, $xmlnode->firstChild);
 102         $lom = $doc->createElementNS($this->ccnamespaces['lom'], 'lom');
 103         $metadata->appendChild($lom);
 104         $educational = $doc->createElementNS($this->ccnamespaces['lom'], 'educational');
 105         $lom->appendChild($educational);
 106
 107         foreach ($met->arrayeducational as $value) {
 108             !is_array($value) ? $value = array($value) : null;
 109             foreach ($value as $v) {
 110                 $userrole = $doc->createElementNS($this->ccnamespaces['lom'], 'intendedEndUserRole');
 111                 $educational->appendChild($userrole);
 112                 $nd4 = $doc->createElementNS($this->ccnamespaces['lom'], 'source', 'IMSGLC_CC_Rolesv1p1');
 113                 $nd5 = $doc->createElementNS($this->ccnamespaces['lom'], 'value', $v[0]);
 114                 $userrole->appendChild($nd4);
 115                 $userrole->appendChild($nd5);
 116             }
 117         }
 118         return $metadata;
 119     }
 120 }