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class.ilLuceneAdvancedSearchFields.php
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1 <?php
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22 */
23 
24 
25 include_once './Services/Search/classes/Lucene/class.ilLuceneAdvancedSearchSettings.php';
26 
36 class ilLuceneAdvancedSearchFields
37 {
38  const ONLINE_QUERY = 1;
39  const OFFLINE_QUERY = 2;
40 
41  private static $instance = null;
42  private $settings = null;
43 
44  protected $lng = null;
45 
46  private static $fields = null;
47  private $active_fields = array();
48 
49  private static $sections = null;
50  private $active_sections = array();
51 
52 
53  protected function __construct()
54  {
55  global $lng;
56 
57  $this->settings = ilLuceneAdvancedSearchSettings::getInstance();
58 
59  $this->lng = $lng;
60  $this->lng->loadLanguageModule('meta');
61 
62  $this->readFields();
63  $this->readSections();
64  }
65 
69  public static function getInstance()
70  {
71  if(isset(self::$instance) and self::$instance)
72  {
73  return self::$instance;
74  }
75  return self::$instance = new ilLuceneAdvancedSearchFields();
76  }
77 
81  public static function getFields()
82  {
83  global $lng;
84 
85  $lng->loadLanguageModule('meta');
86 
87  $fields['lom_content'] = $lng->txt('content');
88 
89  include_once './Services/Search/classes/class.ilSearchSettings.php';
90  if(ilSearchSettings::getInstance()->enabledLucene())
91  {
92  $fields['general_offline'] = $lng->txt('lucene_offline_filter');
93  }
94  //'lom_type' = $lng->txt('type');
95  $fields['lom_language'] = $lng->txt('language');
96  $fields['lom_keyword'] = $lng->txt('meta_keyword');
97  $fields['lom_coverage'] = $lng->txt('meta_coverage');
98  $fields['lom_structure'] = $lng->txt('meta_structure');
99  $fields['lom_status'] = $lng->txt('meta_status');
100  $fields['lom_version'] = $lng->txt('meta_version');
101  $fields['lom_contribute'] = $lng->txt('meta_contribute');
102  $fields['lom_format'] = $lng->txt('meta_format');
103  $fields['lom_operating_system'] = $lng->txt('meta_operating_system');
104  $fields['lom_browser'] = $lng->txt('meta_browser');
105  $fields['lom_interactivity'] = $lng->txt('meta_interactivity_type');
106  $fields['lom_resource'] = $lng->txt('meta_learning_resource_type');
107  $fields['lom_level'] = $lng->txt('meta_interactivity_level');
108  $fields['lom_density'] = $lng->txt('meta_semantic_density');
109  $fields['lom_user_role'] = $lng->txt('meta_intended_end_user_role');
110  $fields['lom_context'] = $lng->txt('meta_context');
111  $fields['lom_difficulty'] = $lng->txt('meta_difficulty');
112  $fields['lom_costs'] = $lng->txt('meta_cost');
113  $fields['lom_copyright'] = $lng->txt('meta_copyright_and_other_restrictions');
114  $fields['lom_purpose'] = $lng->txt('meta_purpose');
115  $fields['lom_taxon'] = $lng->txt('meta_taxon');
116 
117  // Append all advanced meta data fields
118  include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDRecord.php';
119  include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php';
120  foreach(ilAdvancedMDRecord::_getRecords() as $record)
121  {
122  foreach(ilAdvancedMDFieldDefinition::getInstancesByRecordId($record->getRecordId(), true) as $def)
123  {
124  $fields['adv_'.$def->getFieldId()] = $def->getTitle();
125  }
126  }
127  return $fields;
128  }
129 
133  public function getActiveFields()
134  {
135  return $this->active_fields ? $this->active_fields : array();
136  }
137 
138  public function getActiveSections()
139  {
140  return $this->active_sections ? $this->active_sections : array();
141  }
142 
143  public function getFormElement($a_query,$a_field_name, ilPropertyFormGUI $a_form)
144  {
145  include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
146 
147  $a_post_name = 'query['.$a_field_name.']';
148 
149  if(!$a_query)
150  {
151  $a_query = array();
152  }
153 
154  switch($a_field_name)
155  {
156  case 'general_offline':
157  $offline_options = array(
158  '0' => $this->lng->txt('search_any'),
159  self::ONLINE_QUERY => $this->lng->txt('search_option_online'),
160  self::OFFLINE_QUERY => $this->lng->txt('search_option_offline')
161  );
162  $offline = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
163  $offline->setOptions($offline_options);
164  $offline->setValue($a_query['general_offline']);
165  return $offline;
166 
167  case 'lom_content':
168  $text = new ilTextInputGUI($this->active_fields[$a_field_name],$a_post_name);
169  $text->setSubmitFormOnEnter(true);
170  $text->setValue($a_query['lom_content']);
171  $text->setSize(30);
172  $text->setMaxLength(255);
173  return $text;
174 
175  // General
176  case 'lom_language':
177  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
178  $select->setValue($a_query['lom_language']);
179  $select->setOptions(ilMDUtilSelect::_getLanguageSelect(
180  '',
181  $a_field_name,
182  array(0 => $this->lng->txt('search_any')),
183  true));
184  return $select;
185 
186  case 'lom_keyword':
187  $text = new ilTextInputGUI($this->active_fields[$a_field_name],$a_post_name);
188  $text->setSubmitFormOnEnter(true);
189  $text->setValue($a_query['lom_keyword']);
190  $text->setSize(30);
191  $text->setMaxLength(255);
192  return $text;
193 
194  case 'lom_coverage':
195  $text = new ilTextInputGUI($this->active_fields[$a_field_name],$a_post_name);
196  $text->setSubmitFormOnEnter(true);
197  $text->setValue($a_query['lom_coverage']);
198  $text->setSize(30);
199  $text->setMaxLength(255);
200  return $text;
201 
202  case 'lom_structure':
203  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
204  $select->setValue($a_query['lom_structure']);
205  $select->setOptions(ilMDUtilSelect::_getStructureSelect(
206  '',
207  $a_field_name,
208  array(0 => $this->lng->txt('search_any')),
209  true));
210  return $select;
211 
212  // Lifecycle
213  case 'lom_status':
214  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
215  $select->setValue($a_query['lom_status']);
216  $select->setOptions(ilMDUtilSelect::_getStatusSelect(
217  '',
218  $a_field_name,
219  array(0 => $this->lng->txt('search_any')),
220  true));
221  return $select;
222 
223  case 'lom_version':
224  $text = new ilTextInputGUI($this->active_fields[$a_field_name],$a_post_name);
225  $text->setSubmitFormOnEnter(true);
226  $text->setValue($a_query['lom_version']);
227  $text->setSize(30);
228  $text->setMaxLength(255);
229  return $text;
230 
231  case 'lom_contribute':
232  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],'query['.'lom_role'.']');
233  $select->setValue($a_query['lom_role']);
234  $select->setOptions(ilMDUtilSelect::_getRoleSelect(
235  '',
236  $a_field_name,
237  array(0 => $this->lng->txt('search_any')),
238  true));
239 
240  $text = new ilTextInputGUI($this->lng->txt('meta_entry'),'query['.'lom_role_entry'.']');
241  $text->setValue($a_query['lom_role_entry']);
242  $text->setSize(30);
243  $text->setMaxLength(255);
244 
245  $select->addSubItem($text);
246  return $select;
247 
248  // Technical
249  case 'lom_format':
250  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
251  $select->setValue($a_query['lom_format']);
252  $select->setOptions(ilMDUtilSelect::_getFormatSelect(
253  '',
254  $a_field_name,
255  array(0 => $this->lng->txt('search_any')),
256  true));
257  return $select;
258 
259  case 'lom_operating_system':
260  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
261  $select->setValue($a_query['lom_operating_system']);
262  $select->setOptions(ilMDUtilSelect::_getOperatingSystemSelect(
263  '',
264  $a_field_name,
265  array(0 => $this->lng->txt('search_any')),
266  true));
267  return $select;
268 
269  case 'lom_browser':
270  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
271  $select->setValue($a_query['lom_browser']);
272  $select->setOptions(ilMDUtilSelect::_getBrowserSelect(
273  '',
274  $a_field_name,
275  array(0 => $this->lng->txt('search_any')),
276  true));
277  return $select;
278 
279  // Education
280  case 'lom_interactivity':
281  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
282  $select->setValue($a_query['lom_interactivity']);
283  $select->setOptions(ilMDUtilSelect::_getInteractivityTypeSelect(
284  '',
285  $a_field_name,
286  array(0 => $this->lng->txt('search_any')),
287  true));
288  return $select;
289 
290  case 'lom_resource':
291  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
292  $select->setValue($a_query['lom_resource']);
293  $select->setOptions(ilMDUtilSelect::_getLearningResourceTypeSelect(
294  '',
295  $a_field_name,
296  array(0 => $this->lng->txt('search_any')),
297  true));
298  return $select;
299 
300  case 'lom_level':
301  $range = new ilCustomInputGUI($this->active_fields[$a_field_name]);
302  $html = $this->getRangeSelect(
303  $this->lng->txt('from'),
304  ilMDUtilSelect::_getInteractivityLevelSelect(
305  $a_query['lom_level_start'],
306  'query['.'lom_level_start'.']',
307  array(0 => $this->lng->txt('search_any'))),
308  $this->lng->txt('until'),
309  ilMDUtilSelect::_getInteractivityLevelSelect(
310  $a_query['lom_level_end'],
311  'query['.'lom_level_end'.']',
312  array(0 => $this->lng->txt('search_any')))
313  );
314  $range->setHTML($html);
315  return $range;
316 
317  case 'lom_density':
318  $range = new ilCustomInputGUI($this->active_fields[$a_field_name]);
319  $html = $this->getRangeSelect(
320  $this->lng->txt('from'),
321  ilMDUtilSelect::_getSemanticDensitySelect(
322  $a_query['lom_density_start'],
323  'query['.'lom_density_start'.']',
324  array(0 => $this->lng->txt('search_any'))),
325  $this->lng->txt('until'),
326  ilMDUtilSelect::_getSemanticDensitySelect(
327  $a_query['lom_density_end'],
328  'query['.'lom_density_end'.']',
329  array(0 => $this->lng->txt('search_any')))
330  );
331  $range->setHTML($html);
332  return $range;
333 
334 
335  case 'lom_user_role':
336  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
337  $select->setValue($a_query['lom_user_role']);
338  $select->setOptions(ilMDUtilSelect::_getIntendedEndUserRoleSelect(
339  '',
340  $a_field_name,
341  array(0 => $this->lng->txt('search_any')),
342  true));
343  return $select;
344 
345  case 'lom_context':
346  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
347  $select->setValue($a_query['lom_context']);
348  $select->setOptions(ilMDUtilSelect::_getContextSelect(
349  '',
350  $a_field_name,
351  array(0 => $this->lng->txt('search_any')),
352  true));
353  return $select;
354 
355  case 'lom_difficulty':
356  $range = new ilCustomInputGUI($this->active_fields[$a_field_name]);
357  $html = $this->getRangeSelect(
358  $this->lng->txt('from'),
359  ilMDUtilSelect::_getDifficultySelect(
360  $a_query['lom_difficulty_start'],
361  'query['.'lom_difficulty_start'.']',
362  array(0 => $this->lng->txt('search_any'))),
363  $this->lng->txt('until'),
364  ilMDUtilSelect::_getDifficultySelect(
365  $a_query['lom_difficulty_end'],
366  'query['.'lom_difficulty_end'.']',
367  array(0 => $this->lng->txt('search_any')))
368  );
369  $range->setHTML($html);
370  return $range;
371 
372  // Rights
373  case 'lom_costs':
374  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
375  $select->setValue($a_query['lom_costs']);
376  $select->setOptions(ilMDUtilSelect::_getCostsSelect(
377  '',
378  $a_field_name,
379  array(0 => $this->lng->txt('search_any')),
380  true));
381  return $select;
382 
383  case 'lom_copyright':
384  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
385  $select->setValue($a_query['lom_copyright']);
386  $select->setOptions(ilMDUtilSelect::_getCopyrightAndOtherRestrictionsSelect(
387  '',
388  $a_field_name,
389  array(0 => $this->lng->txt('search_any')),
390  true));
391  return $select;
392 
393 
394 
395  // Classification
396  case 'lom_purpose':
397  $select = new ilSelectInputGUI($this->active_fields[$a_field_name],$a_post_name);
398  $select->setValue($a_query['lom_purpose']);
399  $select->setOptions(ilMDUtilSelect::_getPurposeSelect(
400  '',
401  $a_field_name,
402  array(0 => $this->lng->txt('search_any')),
403  true));
404  return $select;
405 
406  case 'lom_taxon':
407  $text = new ilTextInputGUI($this->active_fields[$a_field_name],$a_post_name);
408  $text->setSubmitFormOnEnter(true);
409  $text->setValue($a_query['lom_taxon']);
410  $text->setSize(30);
411  $text->setMaxLength(255);
412  return $text;
413 
414  default:
415  if(substr($a_field_name,0,3) != 'adv')
416  break;
417 
418  // Advanced meta data
419  $field_id = substr($a_field_name,4);
420  include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php';
421  $field = ilAdvancedMDFieldDefinition::getInstance($field_id);
422 
423  $field_form = ilADTFactory::getInstance()->getSearchBridgeForDefinitionInstance($field->getADTDefinition(), true, false);
424  $field_form->setForm($a_form);
425  $field_form->setElementId($a_post_name);
426  $field_form->setTitle($this->active_fields[$a_field_name]);
427  $field_form->addToForm();
428 
429  // #17071 - reload search values
430  if(is_array($a_query) &&
431  array_key_exists($a_field_name, $a_query))
432  {
433  $field_form->importFromPost($a_query);
434  $field_form->validate();
435  }
436 
437  return;
438  }
439  return null;
440  }
441 
442 
447  public function parseFieldQuery($a_field,$a_query)
448  {
449  switch($a_field)
450  {
451  case 'lom_content':
452  return $a_query;
453 
454  case 'general_offline':
455 
456  switch($a_query)
457  {
458  case self::OFFLINE_QUERY:
459  return 'offline:1';
460 
461  default:
462  return '-offline:1';
463 
464  }
465  return '';
466 
467  // General
468  case 'lom_language':
469  return 'lomLanguage:'.$a_query;
470 
471  case 'lom_keyword':
472  return 'lomKeyword:'.$a_query;
473 
474  case 'lom_coverage':
475  return 'lomCoverage:'.$a_query;
476 
477  case 'lom_structure':
478  return 'lomStructure:'.$a_query;
479 
480  // Lifecycle
481  case 'lom_status':
482  return 'lomStatus:'.$a_query;
483 
484  case 'lom_version':
485  return 'lomVersion:'.$a_query;
486 
487  // Begin Contribute
488  case 'lom_role':
489  return 'lomRole:'.$a_query;
490 
491  case 'lom_role_entry':
492  return 'lomRoleEntity:'.$a_query;
493  // End contribute
494 
495  // Technical
496  case 'lom_format':
497  return 'lomFormat:'.$a_query;
498 
499  case 'lom_operating_system':
500  return 'lomOS:'.$a_query;
501 
502  case 'lom_browser':
503  return 'lomBrowser:'.$a_query;
504 
505  // Educational
506  case 'lom_interactivity':
507  return 'lomInteractivity:'.$a_query;
508 
509  case 'lom_resource':
510  return 'lomResource:'.$a_query;
511 
512  case 'lom_level_start':
513  $q_string = '';
514  include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
515  $options = ilMDUtilSelect::_getInteractivityLevelSelect(0,'lom_level',array(),true);
516  for($i = $a_query; $i <= count($options); $i++)
517  {
518  if(strlen($q_string))
519  {
520  $q_string .= 'OR ';
521  }
522  $q_string .= ('lomLevel:"'.$options[$i].'" ');
523  }
524  return $q_string;
525 
526  case 'lom_level_end':
527  $q_string = '';
528  include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
529  $options = ilMDUtilSelect::_getInteractivityLevelSelect(0,'lom_level',array(),true);
530  for($i = 1; $i <= $a_query; $i++)
531  {
532  if(strlen($q_string))
533  {
534  $q_string .= 'OR ';
535  }
536  $q_string .= ('lomLevel:"'.$options[$i].'" ');
537  }
538  return $q_string;
539 
540  case 'lom_density_start':
541  $q_string = '';
542  include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
543  $options = ilMDUtilSelect::_getSemanticDensitySelect(0,'lom_density',array(),true);
544  for($i = $a_query; $i <= count($options); $i++)
545  {
546  if(strlen($q_string))
547  {
548  $q_string .= 'OR ';
549  }
550  $q_string .= ('lomDensity:"'.$options[$i].'" ');
551  }
552  return $q_string;
553 
554  case 'lom_density_end':
555  $q_string = '';
556  include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
557  $options = ilMDUtilSelect::_getSemanticDensitySelect(0,'lom_density',array(),true);
558  for($i = 1; $i <= $a_query; $i++)
559  {
560  if(strlen($q_string))
561  {
562  $q_string .= 'OR ';
563  }
564  $q_string .= ('lomDensity:"'.$options[$i].'" ');
565  }
566  return $q_string;
567 
568  case 'lom_user_role':
569  return 'lomUserRole:'.$a_query;
570 
571  case 'lom_context':
572  return 'lomContext:'.$a_query;
573 
574  case 'lom_difficulty_start':
575  $q_string = '';
576  include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
577  $options = ilMDUtilSelect::_getDifficultySelect(0,'lom_difficulty',array(),true);
578  for($i = $a_query; $i <= count($options); $i++)
579  {
580  if(strlen($q_string))
581  {
582  $q_string .= 'OR ';
583  }
584  $q_string .= ('lomDifficulty:"'.$options[$i].'" ');
585  }
586  return $q_string;
587 
588  case 'lom_difficulty_end':
589  $q_string = '';
590  include_once './Services/MetaData/classes/class.ilMDUtilSelect.php';
591  $options = ilMDUtilSelect::_getDifficultySelect(0,'lom_difficulty',array(),true);
592  for($i = 1; $i <= $a_query; $i++)
593  {
594  if(strlen($q_string))
595  {
596  $q_string .= 'OR ';
597  }
598  $q_string .= ('lomDifficulty:"'.$options[$i].'" ');
599  }
600  return $q_string;
601 
602  // Rights
603  case 'lom_costs':
604  return 'lomCosts:'.$a_query;
605 
606  case 'lom_copyright':
607  return 'lomCopyright:'.$a_query;
608 
609  // Classification
610  case 'lom_purpose':
611  return 'lomPurpose:'.$a_query;
612 
613  case 'lom_taxon':
614  return 'lomTaxon:'.$a_query;
615 
616  default:
617  if(substr($a_field,0,3) != 'adv')
618  break;
619 
620  // Advanced meta data
621  $field_id = substr($a_field,4);
622  include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php';
623  try
624  {
625  // field might be invalid (cached query)
626  $field = ilAdvancedMDFieldDefinition::getInstance($field_id);
627  }
628  catch (Exception $ex)
629  {
630  return '';
631  }
632 
633  $adv_query = $field->getLuceneSearchString($a_query);
634  if($adv_query)
635  {
636  // #17558
637  if(!is_array($adv_query))
638  {
639  return 'advancedMetaData_'.$field_id.': '.$adv_query;
640  }
641  else
642  {
643  $res = array();
644  foreach($adv_query as $adv_query_item)
645  {
646  $res[] = 'advancedMetaData_'.$field_id.': '.$adv_query_item;
647  }
648  return '('.implode(' OR ', $res).')';
649  }
650  }
651  }
652  }
653 
654 
658  protected function readFields()
659  {
660  foreach(self::getFields() as $name => $translation)
661  {
662  if($this->settings->isActive($name))
663  {
664  $this->active_fields[$name] = $translation;
665  }
666  }
667  }
668 
672  protected function readSections()
673  {
674  foreach($this->getActiveFields() as $field_name => $translation)
675  {
676  switch($field_name)
677  {
678  // Default section
679  case 'lom_content':
680  $this->active_sections['default']['fields'][] = 'lom_content';
681  $this->active_sections['default']['name'] = '';
682  break;
683 
684  case 'general_offline':
685  $this->active_sections['default']['fields'][] = 'general_offline';
686  $this->active_sections['default']['name'] = '';
687  break;
688 
689  case 'lom_type':
690  $this->active_sections['default']['fields'][] = 'lom_type';
691  $this->active_sections['default']['name'] = '';
692  break;
693 
694  // General
695  case 'lom_language':
696  $this->active_sections['general']['fields'][] = 'lom_language';
697  $this->active_sections['general']['name'] = $this->lng->txt('meta_general');
698  break;
699  case 'lom_keyword':
700  $this->active_sections['general']['fields'][] = 'lom_keyword';
701  $this->active_sections['general']['name'] = $this->lng->txt('meta_general');
702  break;
703  case 'lom_coverage':
704  $this->active_sections['general']['fields'][] = 'lom_coverage';
705  $this->active_sections['general']['name'] = $this->lng->txt('meta_general');
706  break;
707  case 'lom_structure':
708  $this->active_sections['general']['fields'][] = 'lom_structure';
709  $this->active_sections['general']['name'] = $this->lng->txt('meta_general');
710  break;
711 
712  // Lifecycle
713  case 'lom_status':
714  $this->active_sections['lifecycle']['fields'][] = 'lom_status';
715  $this->active_sections['lifecycle']['name'] = $this->lng->txt('meta_lifecycle');
716  break;
717  case 'lom_version':
718  $this->active_sections['lifecycle']['fields'][] = 'lom_version';
719  $this->active_sections['lifecycle']['name'] = $this->lng->txt('meta_lifecycle');
720  break;
721  case 'lom_contribute':
722  $this->active_sections['lifecycle']['fields'][] = 'lom_contribute';
723  $this->active_sections['lifecycle']['name'] = $this->lng->txt('meta_lifecycle');
724  break;
725 
726  // Technical
727  case 'lom_format':
728  $this->active_sections['technical']['fields'][] = 'lom_format';
729  $this->active_sections['technical']['name'] = $this->lng->txt('meta_technical');
730  break;
731  case 'lom_operating_system':
732  $this->active_sections['technical']['fields'][] = 'lom_operating_system';
733  $this->active_sections['technical']['name'] = $this->lng->txt('meta_technical');
734  break;
735  case 'lom_browser':
736  $this->active_sections['technical']['fields'][] = 'lom_browser';
737  $this->active_sections['technical']['name'] = $this->lng->txt('meta_technical');
738  break;
739 
740  // Education
741  case 'lom_interactivity':
742  $this->active_sections['education']['fields'][] = 'lom_interactivity';
743  $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
744  break;
745  case 'lom_resource':
746  $this->active_sections['education']['fields'][] = 'lom_resource';
747  $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
748  break;
749  case 'lom_level':
750  $this->active_sections['education']['fields'][] = 'lom_level';
751  $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
752  break;
753  case 'lom_density':
754  $this->active_sections['education']['fields'][] = 'lom_density';
755  $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
756  break;
757  case 'lom_user_role':
758  $this->active_sections['education']['fields'][] = 'lom_user_role';
759  $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
760  break;
761  case 'lom_context':
762  $this->active_sections['education']['fields'][] = 'lom_context';
763  $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
764  break;
765  case 'lom_difficulty':
766  $this->active_sections['education']['fields'][] = 'lom_difficulty';
767  $this->active_sections['education']['name'] = $this->lng->txt('meta_education');
768  break;
769 
770  // Rights
771  case 'lom_costs':
772  $this->active_sections['rights']['fields'][] = 'lom_costs';
773  $this->active_sections['rights']['name'] = $this->lng->txt('meta_rights');
774  break;
775  case 'lom_copyright':
776  $this->active_sections['rights']['fields'][] = 'lom_copyright';
777  $this->active_sections['rights']['name'] = $this->lng->txt('meta_rights');
778  break;
779 
780  // Classification
781  case 'lom_purpose':
782  $this->active_sections['classification']['fields'][] = 'lom_purpose';
783  $this->active_sections['classification']['name'] = $this->lng->txt('meta_classification');
784  break;
785  case 'lom_taxon':
786  $this->active_sections['classification']['fields'][] = 'lom_taxon';
787  $this->active_sections['classification']['name'] = $this->lng->txt('meta_classification');
788  break;
789 
790  default:
791  if(substr($field_name,0,3) != 'adv')
792  break;
793 
794  // Advanced meta data
795  $field_id = substr($field_name,4);
796  include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php';
797  include_once './Services/AdvancedMetaData/classes/class.ilAdvancedMDRecord.php';
798  $field = ilAdvancedMDFieldDefinition::getInstance($field_id);
799  $record_id = $field->getRecordId();
800 
801  $this->active_sections['adv_record_'.$record_id]['fields'][] = $field_name;
802  $this->active_sections['adv_record_'.$record_id]['name'] = ilAdvancedMDRecord::_lookupTitle($record_id);
803  break;
804  }
805  }
806  }
807 
811  protected function getRangeSelect($txt_from,$select_from,$txt_until,$select_until)
812  {
813  $tpl = new ilTemplate('tpl.range_search.html',true,true,'Services/Search');
814  $tpl->setVariable('TXT_FROM',$txt_from);
815  $tpl->setVariable('FROM',$select_from);
816  $tpl->setVariable('TXT_UPTO',$txt_until);
817  $tpl->setVariable('UPTO',$select_until);
818  return $tpl->get();
819  }
820 
821 }
822 ?>