aiccItem.class.php 6.2 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Class aiccItem
  5. * This class handles the elements from an AICC Descriptor file.
  6. * Container for the aiccItem class that deals with AICC Assignable Units (AUs)
  7. * @package chamilo.learnpath
  8. * @author Yannick Warnier <ywarnier@beeznest.org>
  9. * @license GNU/GPL
  10. * @package chamilo.learnpath
  11. */
  12. class aiccItem extends learnpathItem
  13. {
  14. public $identifier = ''; // AICC AU's system_id
  15. public $identifierref = '';
  16. public $parameters = ''; // AICC AU's web_launch
  17. public $title = ''; // no AICC equivalent
  18. public $sub_items = array(); // AICC elements (des)
  19. //public $prerequisites = ''; // defined in learnpathItem.class.php
  20. //public $max_score = ''; // defined in learnpathItem
  21. //public $path = ''; // defined in learnpathItem
  22. public $maxtimeallowed = '00:00:00'; // AICC AU's max_time_allowed
  23. public $timelimitaction = ''; // AICC AU's time_limit_action
  24. public $masteryscore = ''; // AICC AU's mastery_score
  25. public $core_vendor = ''; // AICC AU's core_vendor
  26. public $system_vendor = ''; // AICC AU's system_vendor
  27. public $au_type = ''; // AICC AU's type
  28. public $command_line = ''; // AICC AU's command_line
  29. public $debug = 0;
  30. /**
  31. * Class constructor. Depending of the type of construction called ('db' or 'manifest'), will create a scormItem
  32. * object from database records or from the array given as second parameter
  33. * @param string Type of construction needed ('db' or 'config', default = 'config')
  34. * @param mixed Depending on the type given, DB id for the lp_item or parameters array
  35. */
  36. public function aiccItem($type = 'config', $params = array(), $course_id = null)
  37. {
  38. if (isset($params)) {
  39. switch ($type) {
  40. case 'db':
  41. parent::__construct($params, api_get_user_id(), $course_id);
  42. $this->aicc_contact = false;
  43. //TODO: Implement this way of metadata object creation.
  44. return false;
  45. case 'config': // Do the same as the default.
  46. default:
  47. //if($first_item->type == XML_ELEMENT_NODE) this is already check prior to the call to this function
  48. foreach ($params as $a => $value) {
  49. switch ($a) {
  50. case 'system_id':
  51. $this->identifier = Database::escape_string(strtolower($value));
  52. break;
  53. case 'type':
  54. $this->au_type = Database::escape_string($value);
  55. break;
  56. case 'command_line':
  57. $this->command_line = Database::escape_string($value);
  58. break;
  59. case 'max_time_allowed':
  60. $this->maxtimeallowed = Database::escape_string($value);
  61. break;
  62. case 'time_limit_action':
  63. $this->timelimitaction = Database::escape_string($value);
  64. break;
  65. case 'max_score':
  66. $this->max_score = Database::escape_string($value);
  67. break;
  68. case 'core_vendor':
  69. $this->core_vendor = Database::escape_string($value);
  70. break;
  71. case 'system_vendor':
  72. $this->system_vendor = Database::escape_string($value);
  73. break;
  74. case 'file_name':
  75. $this->path = Database::escape_string($value);
  76. break;
  77. case 'mastery_score':
  78. $this->masteryscore = Database::escape_string($value);
  79. break;
  80. case 'web_launch':
  81. $this->parameters = Database::escape_string($value);
  82. break;
  83. }
  84. }
  85. return true;
  86. }
  87. }
  88. return false;
  89. }
  90. /**
  91. * Builds a flat list with the current item and calls itself recursively on all children
  92. * @param array Reference to the array to complete with the current item
  93. * @param integer Optional absolute order (pointer) of the item in this learning path
  94. * @param integer Optional relative order of the item at this level
  95. * @param integer Optional level. If not given, assumes it's level 0
  96. */
  97. function get_flat_list(&$list, &$abs_order, $rel_order = 1, $level = 0)
  98. {
  99. $list[] = array(
  100. 'au_type' => $this->au_type,
  101. 'command_line' => $this->command_line,
  102. 'core_vendor' => $this->core_vendor,
  103. 'identifier' => $this->identifier,
  104. 'identifierref' => $this->identifierref,
  105. 'masteryscore' => $this->masteryscore,
  106. 'maxtimeallowed' => $this->maxtimeallowed,
  107. 'level' => $level,
  108. 'parameters' => $this->parameters,
  109. 'prerequisites' => (!empty($this->prereq_string) ? $this->prereq_string : ''),
  110. 'timelimitaction' => $this->timelimitaction,
  111. );
  112. $abs_order++;
  113. $i = 1;
  114. foreach ($this->sub_items as $id => $dummy) {
  115. $oSubitem =& $this->sub_items[$id];
  116. $oSubitem->get_flat_list($list, $abs_order, $i, $level + 1);
  117. $i++;
  118. }
  119. }
  120. /**
  121. * Save function. Uses the parent save function and adds a layer for AICC.
  122. * @param boolean Save from URL params (1) or from object attributes (0)
  123. */
  124. function save($from_outside = true, $prereqs_complete = false)
  125. {
  126. parent::save($from_outside, $prereqs_complete = false);
  127. // Under certain conditions, the scorm_contact should not be set, because no scorm signal was sent.
  128. $this->aicc_contact = true;
  129. if (!$this->aicc_contact) {
  130. //error_log('New LP - was expecting SCORM message but none received', 0);
  131. }
  132. }
  133. }