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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Container for the scormResource class.
- *
- * @package chamilo.learnpath.scorm
- *
- * @author Yannick Warnier <ywarnier@beeznest.org>
- */
- /**
- * Class defining the <resource> tag in an imsmanifest.xml file.
- */
- class scormResource
- {
- public $identifier = '';
- public $type = 'webcontent';
- //public $identifierref = '';
- public $scormtype = 'sco'; // Fix problems with ENI content where asset is not defined.
- public $base = '';
- public $href = '';
- public $metadata;
- //public $file_href;
- //public $file_metadata;
- public $files = [];
- public $dependencies = [];
- /**
- * Class constructor. Depending of the type of construction called ('db' or 'manifest'), will create a scormResource
- * object from database records or from the DOM element given as parameter.
- *
- * @param string Type of construction needed ('db' or 'manifest', default = 'manifest')
- * @param mixed Depending on the type given, DB id for the lp_item or reference to the DOM element
- */
- public function __construct($type = 'manifest', &$element)
- {
- if (isset($element)) {
- // 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 = $element->childNodes;
- if (is_array($children)) {
- foreach ($children as $child) {
- switch ($child->nodeType) {
- case XML_ELEMENT_NODE:
- switch ($child->tagName) {
- case 'file':
- //echo "Child is a file tag<br />\n";
- $this->files[] = $child->getAttribute('href');
- break;
- case 'metadata':
- //echo "Child is a metadata tag<br />\n";
- $this->metadata = new scormMetadata('manifest', $child);
- break;
- case 'dependency':
- // Need to get identifierref attribute inside dependency node.
- // dependencies[] array represents all <dependency identifierref='x'> tags united.
- $this->dependencies[] = $child->getAttribute('identifierref');
- break;
- }
- break;
- }
- }
- }
- //$keep_href = '';
- if ($element->hasAttributes()) { //in some cases we get here with an empty attributes array
- // TODO: Find when and why we get such a case (empty array).
- $attributes = $element->attributes;
- foreach ($attributes as $attrib) {
- switch ($attrib->name) {
- case 'identifier':
- $this->identifier = $attrib->value;
- break;
- case 'type':
- if (!empty($attrib->value)) {
- $this->type = $attrib->value;
- }
- break;
- case 'scormtype':
- if (!empty($attrib->value)) {
- $this->scormtype = $attrib->value;
- }
- break;
- case 'base':
- $this->base = $attrib->value;
- break;
- case 'href':
- $this->href = $attrib->value;
- break;
- }
- }
- }
- return true;
- }
- // End parsing using PHP5 DOMXML methods.
- }
- return false;
- }
- /**
- * Path getter.
- *
- * @return string Path for this resource
- */
- public function get_path()
- {
- if (!empty($this->href)) {
- return Database::escape_string($this->href);
- } else {
- return '';
- }
- }
- /**
- * Scorm type getter.
- *
- * @return string generally 'asset' or 'sco' as these are the only two values defined in SCORM 1.2
- */
- public function get_scorm_type()
- {
- if (!empty($this->scormtype)) {
- return Database::escape_string($this->scormtype);
- } else {
- return '';
- }
- }
- }
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