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- <?php //$id:$
- /**
- * Container for the scormOrganization class
- * @package scorm.learnpath
- * @author Yannick Warnier <ywarnier@beeznest.org>
- */
- /**
- * Class defining the <organization> tag in an imsmanifest.xml file
- */
- class scormOrganization {
- var $identifier = '';
- var $structure = '';
- var $title = '';
- var $items = array();
- var $metadata;
- /**
- * Class constructor. Depending of the type of construction called ('db' or 'manifest'), will create a scormOrganization
- * object from database records or from the DOM element given as parameter
- * @param string Type of construction needed ('db' or 'manifest', default = 'manifest')
- * @param mixed Depending on the type given, DB id for the lp_item or reference to the DOM element
- */
- function scormOrganization($type='manifest',&$element,$scorm_charset='UTF-8') {
- if(isset($element))
- {
- $v = substr(phpversion(),0,1);
- if($v == 4){
- switch($type){
- case 'db':
- //TODO implement this way of metadata object creation
- return false;
- case 'manifest': //do the same as the default
- default:
- //if($first_item->type == XML_ELEMENT_NODE) this is already check prior to the call to this function
- $children = $element->children();
- foreach($children as $a => $dummy)
- {
- $child =& $children[$a];
- switch($child->type)
- {
- case XML_ELEMENT_NODE:
- switch($child->tagname){
- case 'item':
- $oItem = new scormItem('manifest',$child);
- if($oItem->identifier != ''){
- $this->items[$oItem->identifier] = $oItem;
- }
- break;
- case 'metadata':
- $this->metadata = new scormMetadata('manifest',$child);
- break;
- case 'title':
- $tmp_children = $child->children();
- if(count($tmp_children)==1 and $tmp_children[0]->content!='' )
- {
- $this->title = $tmp_children[0]->content;
- }
- break;
- }
- break;
- case XML_TEXT_NODE:
- break;
- }
- }
- $attributes = $element->attributes();
- //$keep_href = '';
- foreach($attributes as $a1 => $dummy)
- {
- $attrib =& $attributes[$a1];
- switch($attrib->name){
- case 'identifier':
- $this->identifier = $attrib->value;
- break;
- case 'structure':
- $this->structure = $attrib->value;
- break;
- }
- }
- return true;
-
- }
- }elseif($v == 5){
- //parsing using PHP5 DOMXML methods
- switch($type){
- case 'db':
- //TODO implement this way of metadata object creation
- return false;
- case 'manifest': //do the same as the default
- default:
- //if($first_item->type == XML_ELEMENT_NODE) this is already check prior to the call to this function
- $children = $element->childNodes;
- foreach($children as $child)
- {
- switch($child->nodeType)
- {
- case XML_ELEMENT_NODE:
- switch($child->tagName){
- case 'item':
- $oItem = new scormItem('manifest',$child);
- if($oItem->identifier != ''){
- $this->items[$oItem->identifier] = $oItem;
- }
- break;
- case 'metadata':
- $this->metadata = new scormMetadata('manifest',$child);
- break;
- case 'title':
- $tmp_children = $child->childNodes;
- if($tmp_children->length==1 and $child->firstChild->nodeValue != '' )
- {
- $this->title = html_entity_decode(html_entity_decode($child->firstChild->nodeValue,ENT_QUOTES,$scorm_charset));
- }
- break;
- }
- break;
- case XML_TEXT_NODE:
- break;
- }
- }
- if($element->hasAttributes()){
- $attributes = $element->attributes;
- //$keep_href = '';
- foreach($attributes as $attrib)
- {
- switch($attrib->name){
- case 'identifier':
- $this->identifier = $attrib->value;
- break;
- case 'structure':
- $this->structure = $attrib->value;
- break;
- }
- }
- }
- return true;
-
- }
- }else{
- //cannot parse because not PHP4 nor PHP5... We should not even be here anyway...
- return false;
- }
- }
- return false;
- }
- /**
- * Get a flat list of items in the organization
- * @return array Array containing an ordered list of all items with their level and all information related to each item
- */
- function get_flat_items_list()
- {
- $list = array();
- $i = 1;
- foreach($this->items as $id=>$dummy)
- {
- $abs_order = 0;
- $this->items[$id]->get_flat_list($list,$abs_order,$i,0); //passes the array as a pointer so it is modified in $list directly
- $i++;
- }
- return $list;
- }
- /**
- * Name getter
- * @return string Name or empty string
- */
- function get_name()
- {
- if(!empty($this->title)){
- return mysql_real_escape_string($this->title);
- }else{
- return '';
- }
- }
- /**
- * Reference identifier getter
- * @return string Identifier or empty string
- */
- function get_ref()
- {
- if(!empty($this->identifier)){
- return mysql_real_escape_string($this->identifier);
- }else{
- return '';
- }
- }
- /**
- * Sets the title element
- * @param string New title to set
- */
- function set_name($title){
- if(!empty($title)){
- $this->title = mysql_real_escape_string($title);
- }
- }
- }
- ?>
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