ILIAS  eassessment Revision 61809
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class.ilMDEducational.php
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1 <?php
2 /*
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22 */
23 
24 
31 include_once 'class.ilMDBase.php';
32 
33 class ilMDEducational extends ilMDBase
34 {
35  function ilMDEducational($a_rbac_id = 0,$a_obj_id = 0,$a_obj_type = '')
36  {
37  parent::ilMDBase($a_rbac_id,
38  $a_obj_id,
39  $a_obj_type);
40  }
41 
42  // Methods for child objects (TypicalAgeRange, Description, Language)
43  function &getTypicalAgeRangeIds()
44  {
45  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDTypicalAgeRange.php';
46 
47  return ilMDTypicalAgeRange::_getIds($this->getRBACId(),$this->getObjId(),$this->getMetaId(),'meta_educational');
48  }
49  function &getTypicalAgeRange($a_typical_age_range_id)
50  {
51  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDTypicalAgeRange.php';
52 
53  if(!$a_typical_age_range_id)
54  {
55  return false;
56  }
57  $typ =& new ilMDTypicalAgeRange();
58  $typ->setMetaId($a_typical_age_range_id);
59 
60  return $typ;
61  }
62  function &addTypicalAgeRange()
63  {
64  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDTypicalAgeRange.php';
65 
66  $typ =& new ilMDTypicalAgeRange($this->getRBACId(),$this->getObjId(),$this->getObjType());
67  $typ->setParentId($this->getMetaId());
68  $typ->setParentType('meta_educational');
69 
70  return $typ;
71  }
72  function &getDescriptionIds()
73  {
74  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDDescription.php';
75 
76  return ilMDDescription::_getIds($this->getRBACId(),$this->getObjId(),$this->getMetaId(),'meta_educational');
77  }
78  function &getDescription($a_description_id)
79  {
80  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDDescription.php';
81 
82  if(!$a_description_id)
83  {
84  return false;
85  }
86  $des =& new ilMDDescription();
87  $des->setMetaId($a_description_id);
88 
89  return $des;
90  }
91  function &addDescription()
92  {
93  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDDescription.php';
94 
95  $des =& new ilMDDescription($this->getRBACId(),$this->getObjId(),$this->getObjType());
96  $des->setParentId($this->getMetaId());
97  $des->setParentType('meta_educational');
98 
99  return $des;
100  }
101  function &getLanguageIds()
102  {
103  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDLanguage.php';
104 
105  return ilMDLanguage::_getIds($this->getRBACId(),$this->getObjId(),$this->getMetaId(),'meta_educational');
106  }
107  function &getLanguage($a_language_id)
108  {
109  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDLanguage.php';
110 
111  if(!$a_language_id)
112  {
113  return false;
114  }
115  $lan =& new ilMDLanguage();
116  $lan->setMetaId($a_language_id);
117 
118  return $lan;
119  }
120  function &addLanguage()
121  {
122  include_once 'Services/Migration/DBUpdate_426/classes/class.ilMDLanguage.php';
123 
124  $lan =& new ilMDLanguage($this->getRBACId(),$this->getObjId(),$this->getObjType());
125  $lan->setParentId($this->getMetaId());
126  $lan->setParentType('meta_educational');
127 
128  return $lan;
129  }
130 
131  // SET/GET
132  function setInteractivityType($a_iat)
133  {
134  switch($a_iat)
135  {
136  case 'Active':
137  case 'Expositive':
138  case 'Mixed':
139  $this->interactivity_type = $a_iat;
140  return true;
141 
142  default:
143  return false;
144  }
145  }
146  function getInteractivityType()
147  {
148  return $this->interactivity_type;
149  }
150  function setLearningResourceType($a_lrt)
151  {
152  switch($a_lrt)
153  {
154  case 'Exercise':
155  case 'Simulation':
156  case 'Questionnaire':
157  case 'Diagram':
158  case 'Figure':
159  case 'Graph':
160  case 'Index':
161  case 'Slide':
162  case 'Table':
163  case 'NarrativeText':
164  case 'Exam':
165  case 'Experiment':
166  case 'ProblemStatement':
167  case 'SelfAssessment':
168  case 'Lecture':
169  $this->learning_resource_type = $a_lrt;
170  return true;
171 
172  default:
173  return false;
174  }
175  }
176  function getLearningResourceType()
177  {
178  return $this->learning_resource_type;
179  }
180  function setInteractivityLevel($a_iat)
181  {
182  switch($a_iat)
183  {
184  case 'VeryLow':
185  case 'Low':
186  case 'Medium':
187  case 'High':
188  case 'VeryHigh':
189  $this->interactivity_level = $a_iat;
190  return true;
191 
192  default:
193  return false;
194  }
195  }
196  function getInteractivityLevel()
197  {
198  return $this->interactivity_level;
199  }
200  function setSemanticDensity($a_sd)
201  {
202  switch($a_sd)
203  {
204  case 'VeryLow':
205  case 'Low':
206  case 'Medium':
207  case 'High':
208  case 'VeryHigh':
209  $this->semantic_density = $a_sd;
210  return true;
211 
212  default:
213  return false;
214  }
215  }
216  function getSemanticDensity()
217  {
218  return $this->semantic_density;
219  }
220  function setIntendedEndUserRole($a_ieur)
221  {
222  switch($a_ieur)
223  {
224  case 'Teacher':
225  case 'Author':
226  case 'Learner':
227  case 'Manager':
228  $this->intended_end_user_role = $a_ieur;
229  return true;
230 
231  default:
232  return false;
233  }
234  }
235  function getIntendedEndUserRole()
236  {
237  return $this->intended_end_user_role;
238  }
239  function setContext($a_context)
240  {
241  switch($a_context)
242  {
243  case 'School':
244  case 'HigherEducation':
245  case 'Training':
246  case 'Other':
247  $this->context = $a_context;
248  return true;
249 
250  default:
251  return false;
252  }
253  }
254  function getContext()
255  {
256  return $this->context;
257  }
258  function setDifficulty($a_difficulty)
259  {
260  switch($a_difficulty)
261  {
262  case 'VeryEasy':
263  case 'Easy':
264  case 'Medium':
265  case 'Difficult':
266  case 'VeryDifficult':
267  $this->difficulty = $a_difficulty;
268  return true;
269 
270  default:
271  return false;
272  }
273  }
274  function getDifficulty()
275  {
276  return $this->difficulty;
277  }
278  function setTypicalLearningTime($a_tlt)
279  {
280  $this->typical_learning_time = $a_tlt;
281  }
282  function getTypicalLearningTime()
283  {
284  return $this->typical_learning_time;
285  }
286 
287 
288  function save()
289  {
290  if($this->db->autoExecute('il_meta_educational',
291  $this->__getFields(),
292  DB_AUTOQUERY_INSERT))
293  {
294  $this->setMetaId($this->db->getLastInsertId());
295 
296  return $this->getMetaId();
297  }
298 
299  return false;
300  }
301 
302  function update()
303  {
304  global $ilDB;
305 
306  if($this->getMetaId())
307  {
308  if($this->db->autoExecute('il_meta_educational',
309  $this->__getFields(),
310  DB_AUTOQUERY_UPDATE,
311  "meta_educational_id = ".$ilDB->quote($this->getMetaId())))
312  {
313  return true;
314  }
315  }
316  return false;
317  }
318 
319  function delete()
320  {
321  global $ilDB;
322 
323  if($this->getMetaId())
324  {
325  $query = "DELETE FROM il_meta_educational ".
326  "WHERE meta_educational_id = ".$ilDB->quote($this->getMetaId());
327 
328  $this->db->query($query);
329 
330  foreach($this->getTypicalAgeRangeIds() as $id)
331  {
332  $typ =& $this->getTypicalAgeRange($id);
333  $typ->delete();
334  }
335  foreach($this->getDescriptionIds() as $id)
336  {
337  $des =& $this->getDescription($id);
338  $des->delete();
339  }
340  foreach($this->getLanguageIds() as $id)
341  {
342  $lan =& $this->getLanguage($id);
343  $lan->delete();
344  }
345 
346 
347  return true;
348  }
349  return false;
350  }
351 
352 
353  function __getFields()
354  {
355  return array('rbac_id' => $this->getRBACId(),
356  'obj_id' => $this->getObjId(),
357  'obj_type' => ilUtil::prepareDBString($this->getObjType()),
358  'interactivity_type' => ilUtil::prepareDBString($this->getInteractivityType()),
359  'learning_resource_type' => ilUtil::prepareDBString($this->getLearningResourceType()),
360  'interactivity_level' => ilUtil::prepareDBString($this->getInteractivityLevel()),
361  'semantic_density' => ilUtil::prepareDBString($this->getSemanticDensity()),
362  'intended_end_user_role' => ilUtil::prepareDBString($this->getIntendedEndUserRole()),
363  'context' => ilUtil::prepareDBString($this->getContext()),
364  'difficulty' => ilUtil::prepareDBString($this->getDifficulty()),
365  'typical_learning_time' => ilUtil::prepareDBString($this->getTypicalLearningTime()));
366  }
367 
368  function read()
369  {
370  global $ilDB;
371 
372  if($this->getMetaId())
373  {
374 
375  $query = "SELECT * FROM il_meta_educational ".
376  "WHERE meta_educational_id = ".$ilDB->quote($this->getMetaId());
377 
378 
379  $res = $this->db->query($query);
380  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
381  {
382  $this->setRBACId($row->rbac_id);
383  $this->setObjId($row->obj_id);
384  $this->setObjType($row->obj_type);
385  $this->setInteractivityType(ilUtil::stripSlashes($row->interactivity_type));
386  $this->setLearningResourceType(ilUtil::stripSlashes($row->learning_resource_type));
387  $this->setInteractivityLevel(ilUtil::stripSlashes($row->interactivity_level));
388  $this->setSemanticDensity(ilUtil::stripSlashes($row->semantic_density));
389  $this->setIntendedEndUserRole(ilUtil::stripSlashes($row->intended_end_user_role));
390  $this->setContext(ilUtil::stripSlashes($row->context));
391  $this->setDifficulty(ilUtil::stripSlashes($row->difficulty));
392  $this->setTypicalLearningTime(ilUtil::stripSlashes($row->typical_learning_time));
393  }
394  return true;
395  }
396  return false;
397  }
398 
399  /*
400  * XML Export of all meta data
401  * @param object (xml writer) see class.ilMD2XML.php
402  *
403  */
404  function toXML(&$writer)
405  {
406  $writer->xmlStartTag('Educational',
407  array('InteractivityType' => $this->getInteractivityType(),
408  'LearningResourceType' => $this->getLearningResourceType(),
409  'InteractivityLevel' => $this->getInteractivityLevel(),
410  'SemanticDensity' => $this->getSemanticDensity(),
411  'IntendedEndUserRole' => $this->getIntendedEndUserRole(),
412  'Context' => $this->getContext(),
413  'Difficulty' => $this->getDifficulty()));
414 
415  // TypicalAgeRange
416  foreach($this->getTypicalAgeRangeIds() as $id)
417  {
418  $key =& $this->getTypicalAgeRange($id);
419  $key->toXML($writer);
420  }
421  // TypicalLearningTime
422  $writer->xmlElement('TypicalLearningTime',null,$this->getTypicalLearningTime());
423 
424  // Description
425  foreach($this->getDescriptionIds() as $id)
426  {
427  $key =& $this->getDescription($id);
428  $key->toXML($writer);
429  }
430  // Language
431  foreach($this->getLanguageIds() as $id)
432  {
433  $lang =& $this->getLanguage($id);
434  $lang->toXML($writer);
435  }
436  $writer->xmlEndTag('Educational');
437  }
438  // STATIC
439  function _getId($a_rbac_id,$a_obj_id)
440  {
441  global $ilDB;
442 
443  $query = "SELECT meta_educational_id FROM il_meta_educational ".
444  "WHERE rbac_id = ".$ilDB->quote($a_rbac_id)." ".
445  "AND obj_id = ".$ilDB->quote($a_obj_id);
446 
447  $res = $ilDB->query($query);
448  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
449  {
450  return $row->meta_educational_id;
451  }
452  return false;
453  }
454 }
455 ?>