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See Release Notes

  • Bug fixes for general core bugs in 4.0.x will end 8 May 2023 (12 months).
  • Bug fixes for security issues in 4.0.x will end 13 November 2023 (18 months).
  • PHP version: minimum PHP 7.3.0 Note: the minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is also supported.
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
* @package    backup-convert
* @subpackage cc-library
* @copyright  2011 Darko Miletic <dmiletic@moodlerooms.com>
* @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/

require_once 'cc_utils.php';
require_once 'cc_version_base.php';
require_once 'cc_resources.php';
require_once 'cc_manifest.php';


/**
 * Organization Class
 *
 */

class cc_organization implements cc_i_organization {


    public   $title         = null;
    public   $identifier    = null;
    public   $structure     = null;
    public   $itemlist      = null;
    private  $metadata      = null;
    private  $sequencing    = null;

<
> /** @var bool true if empty, otherwise false. */ > protected $isempty;
public function __construct($node=null, $doc=null) { if (is_object($node) && is_object($doc)) { $this->process_organization($node,$doc); } else { $this->init_new(); } } /** * Add one Item into the Organization * * @param cc_i_item $item */ public function add_item(cc_i_item &$item) { if (is_null($this->itemlist)) { $this->itemlist = array(); } $this->itemlist[$item->identifier] = $item; } /** * Add new Item into the Organization * * @param string $title * @return cc_i_item */ public function add_new_item($title='') { $nitem = new cc_item(); $nitem->title = $title; $this->add_item($nitem); return $nitem; } public function has_items() { return is_array($this->itemlist) && (count($this->itemlist) > 0); } public function attr_value(&$nod, $name, $ns=null) { return is_null($ns) ? ($nod->hasAttribute($name) ? $nod->getAttribute($name) : null) : ($nod->hasAttributeNS($ns, $name) ? $nod->getAttributeNS($ns, $name) : null); } public function process_organization(&$node,&$doc) { $this->identifier = $this->attr_value($node,"identifier"); $this->structure = $this->attr_value($node,"structure"); $this->title = ''; $nlist = $node->getElementsByTagName('title'); if (is_object($nlist) && ($nlist->length > 0) ) { $this->title = $nlist->item(0)->nodeValue; } $nlist = $doc->nodeList("//imscc:organization[@identifier='".$this->identifier."']/imscc:item"); $this->itemlist=array(); foreach ($nlist as $item) { $this->itemlist[$item->getAttribute("identifier")] = new cc_item($item,$doc); } $this->isempty=false; } public function init_new() { $this->title = null; $this->identifier = cc_helpers::uuidgen('O_'); $this->structure = 'rooted-hierarchy'; $this->itemlist = null; $this->metadata = null; $this->sequencing = null; } public function uuidgen() { $uuid = sprintf('%04x%04x', mt_rand(0, 65535), mt_rand(0, 65535)); return strtoupper(trim($uuid)); } } /** * Item Class * */ class cc_item implements cc_i_item { public $identifier = null; public $identifierref = null; public $isvisible = null; public $title = null; public $parameters = null; public $childitems = null; private $parentItem = null; private $isempty = true;
<
> /** @var mixed node structure. */ > public $structure;
public function __construct($node=null,$doc=null) { if (is_object($node)) { $clname = get_class($node); if ($clname =='cc_resource') { $this->init_new_item(); $this->identifierref = $node->identifier; $this->title = is_string($doc) && (!empty($doc)) ? $doc : 'item'; } else if ($clname =='cc_manifest') { $this->init_new_item(); $this->identifierref = $node->manifestID(); $this->title = is_string($doc) && (!empty($doc)) ? $doc : 'item'; } else if ( is_object($doc)){ $this->process_item($node,$doc); } else { $this->init_new_item(); } } else { $this->init_new_item(); } } public function attr_value(&$nod, $name, $ns=null) { return is_null($ns) ? ($nod->hasAttribute($name) ? $nod->getAttribute($name) : null) : ($nod->hasAttributeNS($ns, $name) ? $nod->getAttributeNS($ns, $name) : null); } public function process_item(&$node,&$doc) { $this->identifier = $this->attr_value($node,"identifier"); $this->structure = $this->attr_value($node,"structure"); $this->identifierref = $this->attr_value($node,"identifierref"); $atr = $this->attr_value($node,"isvisible"); $this->isvisible = is_null($atr) ? true : $atr; $nlist = $node->getElementsByTagName('title'); if (is_object($nlist) && ($nlist->length > 0) ) { $this->title = $nlist->item(0)->nodeValue; } $nlist = $doc->nodeList("//imscc:item[@identifier='".$this->identifier."']/imscc:item"); if ($nlist->length > 0) { $this->childitems=array(); foreach ($nlist as $item) { $key=$this->attr_value($item,"identifier"); $this->childitems[$key] = new cc_item($item,$doc); } } $this->isempty = false; } /** * Add one Child Item * * @param cc_i_item $item */ public function add_child_item(cc_i_item &$item) { if (is_null($this->childitems)) { $this->childitems = array(); } $this->childitems[$item->identifier] = $item; } /** * Add new child Item * * @param string $title * @return cc_i_item */ public function add_new_child_item($title='') { $sc = new cc_item(); $sc->title = $title; $this->add_child_item($sc); return $sc; } public function attach_resource($resource) { if ($this->has_child_items()) { throw new Exception("Can not attach resource to item that contains other items!"); } $resident = null; if (is_string($resource)) { $resident = $resource; } else if (is_object($resource)) { $clname = get_class($resource); if ($clname == 'cc_resource') { $resident = $resource->identifier; } else if ($clname == 'cc_manifest') { $resident = $resource->manifestID(); } else { throw new Exception("Unable to attach resource. Invalid object."); } } if (is_null($resident) || (empty($resident))) { throw new Exception("Resource must have valid identifier!"); } $this->identifierref = $resident; } public function has_child_items() { return is_array($this->childitems) && (count($this->childitems) > 0); } public function child_item($identifier) { return $this->has_child_items() ? $this->childitems[$identifier] : null; } public function init_clean() { $this->identifier = null; $this->isvisible = null; $this->title = null; $this->parameters = null; $this->childitems = null; $this->parentItem = null; $this->isempty = true; } public function init_new_item() { $this->identifier = cc_helpers::uuidgen('I_'); $this->isvisible = true; //default is true $this->title = null; $this->parameters = null; $this->childitems = null; $this->parentItem = null; $this->isempty = false; } }