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SeqTreeBuilder.php
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1 <?php
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23 /*
24  PHP port of several ADL-sources
25  @author Hendrik Holtmann <holtmann@mac.com>
26 
27  This .php file is GPL licensed (see above) but based on
28  Sourcecode by ADL Co-Lab, which is licensed as:
29 
30  Advanced Distributed Learning Co-Laboratory (ADL Co-Lab) Hub grants you
31  ("Licensee") a non-exclusive, royalty free, license to use, modify and
32  redistribute this software in source and binary code form, provided that
33  i) this copyright notice and license appear on all copies of the software;
34  and ii) Licensee does not utilize the software in a manner which is
35  disparaging to ADL Co-Lab Hub.
36 
37  This software is provided "AS IS," without a warranty of any kind. ALL
38  EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
39  ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
40  OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. ADL Co-Lab Hub AND ITS LICENSORS
41  SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
42  USING, MODIFYING OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO
43  EVENT WILL ADL Co-Lab Hub OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE,
44  PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
45  INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE
46  THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE
47  SOFTWARE, EVEN IF ADL Co-Lab Hub HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
48  DAMAGES.
49 */
50 
51  require_once("SeqActivity.php");
52 
53  require_once("SeqRule.php");
54  require_once("SeqRuleset.php");
55 
56  require_once("SeqCondition.php");
57  require_once("SeqConditionSet.php");
58 
59  require_once("SeqObjective.php");
60  require_once("SeqObjectiveMap.php");
61 
62  require_once("SeqRollupRule.php");
63  require_once("SeqRollupRuleset.php");
64 
65  require_once("ADLAuxiliaryResource.php");
66 
67  class SeqTreeBuilder{
68 
69  public function buildNodeSeqTree($file){
70 
71  $doc = new DomDocument();
72  $doc->load($file);
73  $organizations = $doc->getElementsByTagName("organizations");
74 
75  //lookup default organization id
76  $default=preg_replace('/(%20)+/', ' ', trim($organizations->item(0)->getAttribute("default")));
77 
78  //get all organization nodes
79  $organization = $doc->getElementsByTagName("organization");
80 
81  //lookup the default organization
82  foreach ($organization as $element) {
83  if (preg_replace('/(%20)+/', ' ', trim($element->getAttribute("identifier")))==$default) {
84  $default_organization = $element;
85  }
86  }
87 
88  //read seqCollection
89  $seqCollection = $doc->getElementsByTagName("sequencingCollection")->item(0);
90 
91  $root = $this->buildNode($default_organization,$seqCollection,$doc);
92 
93  //return no data please check
94  $objectivesGlobalToSystem = $default_organization->getAttributeNS("http://www.adlnet.org/xsd/adlseq_v1p3","objectivesGlobalToSystem");
95 
96  $org = preg_replace('/(%20)+/', ' ', trim($default_organization->getAttribute("identifier")));
97 
98  //default true
99  $globaltosystem = 1;
100 
101  if ($objectivesGlobalToSystem=="false") {
102  $globaltosystem = 0;
103  }
104 
105  //return no data please check
106  $dataGlobalToSystem = $default_organization->getAttributeNS("http://www.adlnet.org/xsd/adlcp_v1p3","sharedDataGlobalToSystem");
107 
108  //default true
109  $dataglobaltosystem = 1;
110 
111  if ($dataGlobalToSystem=="false") {
112  $dataglobaltosystem = 0;
113  }
114 
115  //assign SeqActivity to top node
116  $c_root['_SeqActivity']=$root;
117 
118  $ret['global'] = $globaltosystem;
119  $ret['dataglobal'] = $dataglobaltosystem;
120  $ret['tree'] = $c_root;
121 
122  return $ret;
123 
124  }
125 
126 
127 
128  private function buildNode($node,$seq,$doc) {
129 
130  //create a new activity object
131  $act = new SeqActivity();
132 
133  //set various attributes, if existent
134  $act->setID(preg_replace('/(%20)+/', ' ', trim($node->getAttribute("identifier"))));
135 
136  $tempVal = preg_replace('/(%20)+/', ' ', trim($node->getAttribute("identifierref")));
137  if ($tempVal){
138  $act->setResourceID($tempVal);
139  }
140 
141  $tempVal = $node->getAttribute("isvisible");
142 
143  if ($tempVal){
144  $act->setIsVisible(self::convert_to_bool($tempVal));
145  }
146 
147 
148 
149  //Proceed nested items
150  $children = $node->childNodes;
151 
152  for ($i = 0; $i < $children->length; $i++ ) {
153 
154  $curNode=$children->item($i);
155  //elements only
156 
157  if ($curNode->nodeType == XML_ELEMENT_NODE) {
158  //only items are nested
159  if ($curNode->localName == "item") {
160  //init;
161  $c_nestedAct=null;
162  $nestedAct = new SeqActivity();
163  $nestedAct = $this->buildNode($curNode,$seq,$doc);
164  if ($nestedAct != null ) {
165  $act->AddChild($nestedAct);
166  }
167  }
168  else if ($curNode->localName == "title") {
169  $act->setTitle($this->lookupElement($curNode,null));
170  }
171  else if ($curNode->localName == "completionThreshold"){
172  $tempVal = $curNode->getAttribute("minProgressMeasure");
173 
174  if ($tempVal){
175  $act->setCompletionThreshold($tempVal);
176  }
177  else if ($curNode->nodeValue != null && $curNode->nodeValue != '') {
178  $act->setCompletionThreshold($curNode->nodeValue);
179  }
180 
181  $tempVal = $curNode->getAttribute("progressWeight");
182 
183  if ($tempVal){
184  $act->setProgressWeight($tempVal);
185  }
186  $tempVal = $curNode->getAttribute("completedByMeasure");
187 
188  if ($tempVal){
189  $act->setCompletedByMeasure(self::convert_to_bool($tempVal));
190  }
191  }
192  else if ($curNode->localName == "sequencing") {
193  $seqInfo = $curNode;
194  //get IDRef
195  $tempVal = preg_replace('/(%20)+/', ' ', trim($curNode->getAttribute("IDRef")));
196  //only execute for referenced sequencing parts
197  if ($tempVal) {
198  //init seqGlobal
199  $seqGlobal = null;
200 
201  //get all sequencing nodes in collections
202  $sequencing = $seq->getElementsByTagName("sequencing");
203 
204  //lookup the matching sequencing element
205  foreach ($sequencing as $element) {
206  if (preg_replace('/(%20)+/', ' ', trim($element->getAttribute("ID")))==$tempVal) {
207  $seqGlobal = $element;
208  }
209  }
210 
211  //clone the global node
212  $seqInfo = $seqGlobal->cloneNode(TRUE);
213 
214  //back to the local node
215  $seqChildren = $curNode->childNodes;
216  for ($j = 0; $j < $seqChildren->length; $j++ ) {
217  //process local nodes
218  $curChild = $seqChildren->item($j);
219  if ( $curChild->nodeType == XML_ELEMENT_NODE ) {
220  //echo "\nFound Sequencing Element Node".$curChild->localName;
221  //add local to global sequencing info
222  $seqInfo->appendChild($curChild);
223 
224  }
225  }
226  }
227  //extract the sequencing info, if we have one
228  //avoid working with
229  $act=$this->extractSeqInfo($seqInfo, $act);
230 
231  }
232  }
233 
234 
235 
236  $item=$children->item($i)->nodeValue;
237  }
238  //add class
239  //$c_act['_SeqActivity']=$act;
240  return $act;
241 
242  }
243 
244 
245  private function extractSeqInfo($iNode, $ioAct) {
246  //set sequencing information
247  $children = $iNode->childNodes;
248  for ( $i = 0; $i < $children->length; $i++ ) {
249  $curNode = $children->item($i);
250  if ( $curNode->nodeType == XML_ELEMENT_NODE ) {
251  if ($curNode->localName == "controlMode") {
252  //look for choice
253  $tempVal=$curNode->getAttribute("choice");
254  if ($tempVal) {
255  $ioAct->setControlModeChoice(self::convert_to_bool($tempVal));
256  }
257  //look for choiceExit
258  $tempVal=$curNode->getAttribute("choiceExit");
259  if ($tempVal) {
260  $ioAct->setControlModeChoiceExit(self::convert_to_bool($tempVal));
261  }
262 
263  //look for flow
264  $tempVal=$curNode->getAttribute("flow");
265  if ($tempVal) {
266  $ioAct->setControlModeFlow(self::convert_to_bool($tempVal));
267  }
268 
269  // Look for 'forwardOnly'
270  $tempVal=$curNode->getAttribute("forwardOnly");
271  if ($tempVal) {
272  $ioAct->setControlForwardOnly(self::convert_to_bool($tempVal));
273  }
274 
275  // Look for 'useCurrentAttemptObjectiveInfo'
276  $tempVal=$curNode->getAttribute("useCurrentAttemptObjectiveInfo");
277  if ($tempVal) {
278  $ioAct->setUseCurObjective(self::convert_to_bool($tempVal));
279  }
280 
281  // Look for 'useCurrentAttemptProgressInfo'
282  $tempVal=$curNode->getAttribute("useCurrentAttemptProgressInfo");
283  if ($tempVal) {
284  $ioAct->setUseCurProgress(self::convert_to_bool($tempVal));
285  }
286 
287  }
288 
289  else if ($curNode->localName == "sequencingRules") {
290  $ioAct = $this->getSequencingRules($curNode,$ioAct);
291 
292  }
293 
294  else if ($curNode->localName == "limitConditions") {
295  // Look for 'useCurrentAttemptObjectiveInfo'
296  $tempVal=$curNode->getAttribute("attemptLimit");
297  if ($tempVal) {
298  $ioAct->setAttemptLimit($tempVal);
299  }
300 
301  // Look for 'attemptAbsoluteDurationLimit'
302  $tempVal=$curNode->getAttribute("attemptAbsoluteDurationLimit");
303  if ($tempVal) {
304  $ioAct->setAttemptAbDur($tempVal);
305  }
306 
307  // Look for 'attemptExperiencedDurationLimit'
308  $tempVal=$curNode->getAttribute("attemptExperiencedDurationLimit");
309  if ($tempVal) {
310  $ioAct->setAttemptExDur($tempVal);
311  }
312 
313  // Look for 'activityAbsoluteDurationLimit'
314  $tempVal=$curNode->getAttribute("activityAbsoluteDurationLimit");
315  if ($tempVal) {
316  $ioAct->setActivityAbDur($tempVal);
317  }
318 
319  // Look for 'activityExperiencedDurationLimit'
320  $tempVal=$curNode->getAttribute("activityExperiencedDurationLimit");
321  if ($tempVal) {
322  $ioAct->setActivityExDur($tempVal);
323  }
324 
325  // Look for 'beginTimeLimit'
326  $tempVal=$curNode->getAttribute("beginTimeLimit");
327  if ($tempVal) {
328  $ioAct->setBeginTimeLimit($tempVal);
329  }
330 
331  // Look for 'endTimeLimit'
332  $tempVal=$curNode->getAttribute("endTimeLimit");
333  if ($tempVal) {
334  $ioAct->setEndTimeLimit($tempVal);
335  }
336  }
337  else if ($curNode->localName == "auxiliaryResources") {
338  $ioAct = self::getAuxResources($curNode, $ioAct);
339  }
340 
341  else if ($curNode->localName == "rollupRules") {
342  $ioAct = self::getRollupRules($curNode, $ioAct);
343  }
344 
345  else if ($curNode->localName == "objectives" && $curNode->namespaceURI == "http://www.imsglobal.org/xsd/imsss") {
346  $ioAct = self::getObjectives($curNode,$ioAct);
347  }
348 
349  else if ($curNode->localName == "objectives" && $curNode->namespaceURI == "http://www.adlnet.org/xsd/adlseq_v1p3") {
350  $ioAct = self::getADLSEQObjectives($curNode,$ioAct);
351  }
352  else if ($curNode->localName == "randomizationControls") {
353 
354  // Look for 'randomizationTiming'
355  $tempVal=$curNode->getAttribute("randomizationTiming");
356  if ($tempVal) {
357  $ioAct->setRandomTiming($tempVal);
358  }
359 
360  // Look for 'selectCount'
361  $tempVal=$curNode->getAttribute("selectCount");
362  if ($tempVal) {
363  $ioAct->setSelectCount($tempVal);
364  }
365 
366  // Look for 'reorderChildren'
367  $tempVal=$curNode->getAttribute("reorderChildren");
368  if ($tempVal) {
369  $ioAct->setReorderChildren(self::convert_to_bool($tempVal));
370  }
371 
372  // Look for 'selectionTiming'
373  $tempVal=$curNode->getAttribute("selectionTiming");
374  if ($tempVal) {
375  $ioAct->setSelectionTiming($tempVal);
376  }
377  }
378  else if ($curNode->localName == "deliveryControls") {
379 
380  // Look for 'tracked'
381  $tempVal=$curNode->getAttribute("tracked");
382  if ($tempVal) {
383  $ioAct->setIsTracked(self::convert_to_bool($tempVal));
384  }
385 
386  // Look for 'completionSetByContent'
387  $tempVal=$curNode->getAttribute("completionSetByContent");
388  if ($tempVal) {
389  $ioAct->setSetCompletion(self::convert_to_bool($tempVal));
390  }
391 
392  // Look for 'objectiveSetByContent'
393  $tempVal=$curNode->getAttribute("objectiveSetByContent");
394  if ($tempVal) {
395  $ioAct->setSetObjective(self::convert_to_bool($tempVal));
396  }
397  }
398  else if ($curNode->localName == "constrainedChoiceConsiderations") {
399 
400  // Look for 'preventActivation'
401  $tempVal=$curNode->getAttribute("preventActivation");
402  if ($tempVal) {
403  $ioAct->setPreventActivation(self::convert_to_bool($tempVal));
404  }
405 
406  // Look for 'constrainChoice'
407  $tempVal=$curNode->getAttribute("constrainChoice");
408  if ($tempVal) {
409  $ioAct->setConstrainChoice(self::convert_to_bool($tempVal));
410  }
411  }
412  else if ($curNode->localName == "rollupConsiderations") {
413 
414  // Look for 'requiredForSatisfied'
415  $tempVal=$curNode->getAttribute("requiredForSatisfied");
416  if ($tempVal) {
417  $ioAct->setRequiredForSatisfied($tempVal);
418  }
419 
420  // Look for 'requiredForNotSatisfied'
421  $tempVal=$curNode->getAttribute("requiredForNotSatisfied");
422  if ($tempVal) {
423  $ioAct->setRequiredForNotSatisfied($tempVal);
424  }
425 
426  // Look for 'requiredForCompleted'
427  $tempVal=$curNode->getAttribute("requiredForCompleted");
428  if ($tempVal) {
429  $ioAct->setRequiredForCompleted($tempVal);
430  }
431 
432  // Look for 'requiredForIncomplete'
433  $tempVal=$curNode->getAttribute("requiredForIncomplete");
434  if ($tempVal) {
435  $ioAct->setRequiredForIncomplete($tempVal);
436  }
437 
438  // Look for 'measureSatisfactionIfActive'
439  $tempVal=$curNode->getAttribute("measureSatisfactionIfActive");
440  if ($tempVal) {
441  $ioAct->setSatisfactionIfActive(self::convert_to_bool($tempVal));
442  }
443  }
444 
445 
446 
447  } //end note-type check
448 
449  } //end for-loop
450 
451  return $ioAct;
452  }
453 
454 
455  public static function getObjectives ($iNode,$ioAct) {
456  global $ilLog;
457 
458 
459  $ok = true;
460  $tempVal = null;
461  $objectives = array();
462  $children = $iNode->childNodes;
463  for ($i = 0; $i < $children->length; $i++ ) {
464  $curNode=$children->item($i);
465  if ($curNode->nodeType == XML_ELEMENT_NODE) {
466  if ($curNode->localName == "primaryObjective" || $curNode->localName == "objective" ) {
467 
468  $obj = new SeqObjective();
469  if ($curNode->localName == "primaryObjective") {
470  $obj->mContributesToRollup = true;
471  }
472 
473  // Look for 'objectiveID'
474  $tempVal = preg_replace('/(%20)+/', ' ', trim($curNode->getAttribute("objectiveID")));
475  if($tempVal) {
476  $obj->mObjID = $tempVal;
477  }
478 
479  // Look for 'satisfiedByMeasure'
480  $tempVal = $curNode->getAttribute("satisfiedByMeasure");
481  if($tempVal) {
482  $obj->mSatisfiedByMeasure = self::convert_to_bool($tempVal);
483  }
484  // Look for 'minNormalizedMeasure'
485  $tempVal=self::lookupElement($curNode,"minNormalizedMeasure");
486  if($tempVal) {
487  $obj->mMinMeasure = $tempVal;
488  }
489 
490  //get ObjectiveMaps
491  $maps = self::getObjectiveMaps($curNode);
492  if ( $maps != null ){
493  $obj->mMaps = $maps;
494  }
495  //$obj->mContributesToRollup = true;
496  //add class
497  $c_obj['_SeqObjective'] = $obj;
498  array_push($objectives,$c_obj);
499  }
500  }
501  }
502  $ioAct->setObjectives($objectives);
503  return $ioAct;
504  }
505 
506  public static function getADLSEQObjectives ($iNode,$ioAct) {
507  global $ilLog;
508  $objectives = $ioAct->mObjectives;
509  $children = $iNode->childNodes;
510  for ($i = 0; $i < $children->length; $i++ ) {
511  $curNode=$children->item($i);
512  if ($curNode->nodeType == XML_ELEMENT_NODE) {
513  if ($curNode->localName == "objective" ) {
514  // get the objectiveID
515  $adlseqobjid = preg_replace('/(%20)+/', ' ', trim($curNode->getAttribute("objectiveID")));
516 
517  // find the imsss objective with the same objectiveID
518  $curseqobj = null;
519  for ( $j = 0; $j < count($objectives); $j++ ){
520  $seqobj = $objectives[$j]['_SeqObjective'];
521  if ( $seqobj->mObjID == $adlseqobjid ){
522  $curseqobj = $seqobj;
523  $curseqobjindex = $j;
524  break;
525  }
526  }
527 
528  // if there's a current seq then let's add the maps
529  if ( $curseqobj != null ){
530  // for each adlseq map info populate that mMaps with map info in the adlseq objective
531  $curseqobj = self::getADLSeqMaps($curNode, $curseqobj);
532  $seqobj = $curseqobj;
533  $objectives[$curseqobjindex]['_SeqObjective'] = $seqobj;
534  }
535 
536  }
537  }
538  }
539  // before i leave what do i have to duplicate in SeqActivity or some other class?
540  // prolly just
541  $ioAct->setObjectives($objectives);
542  return $ioAct;
543  }
544 
545  public static function getADLSeqMaps($iNode, $curseqobj){
546  if (count($curseqobj->mMaps)==null) $curseqobj->mMaps = array();
547  $maps = $curseqobj->mMaps;
548 
549  $children = $iNode->childNodes;
550  for ($i = 0; $i < $children->length; $i++ ) {
551  $curNode=$children->item($i);
552  if ($curNode->nodeType == XML_ELEMENT_NODE) {
553  if ($curNode->localName == "mapInfo") {
554  $map = new SeqObjectiveMap();
555  $curadltargetobjid = preg_replace('/(%20)+/', ' ', trim($curNode->getAttribute("targetObjectiveID")));
556  // if the adl map target id matches an imsssssss one, then add to the imsssss one
557  $matchingmapindex = -1;
558  for ( $j = 0; $j < count($maps); $j++ ){
559  if ($maps[$j]['_SeqObjectiveMap']->mGlobalObjID == $curadltargetobjid){
560  $map = $maps[$j]['_SeqObjectiveMap'];
561  $matchingmapindex = $j;
562  }
563  }
564 // tom: if default access is dependent on map existence then this will need to know if an imsss:mapInfo existed
565  $map = self::fillinADLSeqMaps($curNode, $map);
566 
567  if ( $matchingmapindex > -1 ){
568  $c_map['_SeqObjectiveMap']=$map;
569  $maps[$matchingmapindex] = $c_map;
570  }
571  else{
572  $c_map['_SeqObjectiveMap']=$map;
573  array_push($maps, $c_map);
574  }
575  }
576  }
577  }
578  $curseqobj->mMaps = $maps;
579  return $curseqobj;
580  }
581 
582  public static function fillinADLSeqMaps($iNode, $map){
583 
584  if($map->mGlobalObjID == null) $map->mGlobalObjID = preg_replace('/(%20)+/', ' ', trim($iNode->getAttribute("targetObjectiveID")));
585 
586  $tempVal = $iNode->getAttribute("readRawScore");
587  if($tempVal) {
588  $map->mReadRawScore = self::convert_to_bool($tempVal);
589  }
590 
591  $tempVal = $iNode->getAttribute("readMinScore");
592  if($tempVal) {
593  $map->mReadMinScore = self::convert_to_bool($tempVal);
594  }
595 
596  $tempVal = $iNode->getAttribute("readMaxScore");
597  if($tempVal) {
598  $map->mReadMaxScore = self::convert_to_bool($tempVal);
599  }
600 
601  $tempVal = $iNode->getAttribute("readCompletionStatus");
602  if($tempVal) {
603  $map->mReadCompletionStatus = self::convert_to_bool($tempVal);
604  }
605 
606  $tempVal = $iNode->getAttribute("readProgressMeasure");
607  if($tempVal) {
608  $map->mReadProgressMeasure = self::convert_to_bool($tempVal);
609  }
610 
611  $tempVal = $iNode->getAttribute("writeRawScore");
612  if($tempVal) {
613  $map->mWriteRawScore = self::convert_to_bool($tempVal);
614  }
615 
616  $tempVal = $iNode->getAttribute("writeMinScore");
617  if($tempVal) {
618  $map->mWriteMinScore = self::convert_to_bool($tempVal);
619  }
620 
621  $tempVal = $iNode->getAttribute("writeMaxScore");
622  if($tempVal) {
623  $map->mWriteMaxScore = self::convert_to_bool($tempVal);
624  }
625 
626  $tempVal = $iNode->getAttribute("writeCompletionStatus");
627  if($tempVal) {
628  $map->mWriteCompletionStatus = self::convert_to_bool($tempVal);
629  }
630 
631  $tempVal = $iNode->getAttribute("writeProgressMeasure");
632  if($tempVal) {
633  $map->mWriteProgressMeasure = self::convert_to_bool($tempVal);
634  }
635 
636  return $map;
637  }
638 
639  public static function getObjectiveMaps($iNode) {
640  $tempVal = null;
641  $maps = array();
642  $children = $iNode->childNodes;
643  for ($i = 0; $i < $children->length; $i++ ) {
644  $curNode=$children->item($i);
645  if ($curNode->nodeType == XML_ELEMENT_NODE) {
646  if ($curNode->localName == "mapInfo") {
647  $map = new SeqObjectiveMap();
648 
649  // Look for 'targetObjectiveID'
650  $tempVal = preg_replace('/(%20)+/', ' ', trim($curNode->getAttribute("targetObjectiveID")));
651  if($tempVal) {
652  $map->mGlobalObjID = $tempVal;
653  }
654 
655  // Look for 'readSatisfiedStatus'
656  $tempVal = $curNode->getAttribute("readSatisfiedStatus");
657  if($tempVal) {
658  $map->mReadStatus = self::convert_to_bool($tempVal);
659  }
660 
661  // Look for 'readNormalizedMeasure'
662  $tempVal = $curNode->getAttribute("readNormalizedMeasure");
663  if($tempVal) {
664  $map->mReadMeasure = self::convert_to_bool($tempVal);
665  }
666 
667  // Look for 'writeSatisfiedStatus'
668  $tempVal = $curNode->getAttribute("writeSatisfiedStatus");
669  if($tempVal) {
670  $map->mWriteStatus = self::convert_to_bool($tempVal);
671  }
672 
673  // Look for 'writeNormalizedMeasure'
674  $tempVal = $curNode->getAttribute("writeNormalizedMeasure");
675  if($tempVal) {
676  $map->mWriteMeasure = self::convert_to_bool($tempVal);
677  }
678  //add class
679  $c_map['_SeqObjectiveMap']=$map;
680  array_push($maps,$c_map);
681  }
682  }
683  }
684  if (count($maps)==null) {
685  $maps = null;
686  }
687  return $maps;
688  }
689 
690  public static function getRollupRules($iNode, $ioAct) {
691  $ok = true;
692  $tempVal = null;
693  $rollupRules = array();
694 
695  // Look for 'rollupObjectiveSatisfied'
696  $tempVal = $iNode->getAttribute("rollupObjectiveSatisfied");
697  if($tempVal) {
698  $ioAct->setIsObjRolledUp(self::convert_to_bool($tempVal));
699  }
700 
701  // Look for 'objectiveMeasureWeight'
702  $tempVal = $iNode->getAttribute("objectiveMeasureWeight");
703  if($tempVal) {
704  $ioAct->setObjMeasureWeight($tempVal);
705 
706  }
707  // Look for 'rollupProgressCompletion'
708  $tempVal = $iNode->getAttribute("rollupProgressCompletion");
709  if($tempVal) {
710  $ioAct->setIsProgressRolledUp(self::convert_to_bool($tempVal));
711 
712  }
713  $children = $iNode->childNodes;
714  for ($i = 0; $i < $children->length; $i++ ) {
715  $curNode=$children->item($i);
716  if ($curNode->nodeType == XML_ELEMENT_NODE) {
717  if ($curNode->localName == "rollupRule") {
718  $rule = new SeqRollupRule();
719 
720  // Look for 'childActivitySet'
721  $tempVal=$curNode->getAttribute("childActivitySet");
722  if($tempVal) {
723  $rule->mChildActivitySet = $tempVal;
724  }
725  // Look for 'minimumCount'
726  $tempVal=$curNode->getAttribute("minimumCount");
727  if($tempVal) {
728  $rule->mMinCount = $tempVal;
729  }
730 
731  // Look for 'minimumPercent'
732  $tempVal=$curNode->getAttribute("minimumPercent");
733  if($tempVal) {
734  $rule->mMinPercent = $tempVal;
735  }
736  $rule->mConditions['_SeqConditionSet'] = new SeqConditionSet(true);
737  $conditions = array();
738  $ruleInfo = $curNode->childNodes;
739  for ($j = 0; $j < $ruleInfo->length; $j++ ) {
740  $curRule=$ruleInfo->item($j);
741  //check for element
742  if ($curRule->nodeType == XML_ELEMENT_NODE) {
743  if ($curRule->localName == "rollupConditions") {
744  $tempVal = $curRule->getAttribute("conditionCombination");
745  if($tempVal) {
746  $rule->mConditions['_SeqConditionSet']->mCombination = $tempVal;
747  } else {
748  $rule->mConditions['_SeqConditionSet']->mCombination = COMBINATION_ANY;
749  }
750  $conds = $curRule->childNodes;
751  for ($k = 0; $k < $conds->length; $k++ ) {
752  $con=$conds->item($k);
753  if ($con->nodeType == XML_ELEMENT_NODE) {
754  if ($con->localName == "rollupCondition") {
755  $cond = new SeqCondition();
756  // Look for 'condition'
757  $tempVal = $con->getAttribute("condition");
758  if($tempVal) {
759  $cond->mCondition=$tempVal;
760  }
761  // Look for 'operator'
762  $tempVal = $con->getAttribute("operator");
763  if($tempVal) {
764  if($tempVal=='not') {$cond->mNot = true;} else {$cond->mNot = false;}
765  }
766  //add class
767  $c_cond['_SeqCondition'] = $cond;
768  array_push($conditions,$c_cond);
769  }
770 
771  }
772  }
773  }
774  else if ($curRule->localName == "rollupAction") {
775  $tempVal = $curRule->getAttribute("action");
776  if ($tempVal) {
777  $rule->setRollupAction($tempVal);
778  }
779 
780  }
781 
782  }
783  }
784  // Add the conditions to the condition set for the rule
785  $rule->mConditions['_SeqConditionSet']->mConditions = $conditions;
786 
787  // Add the rule to the ruleset
788  //add class
789  $c_rule['_SeqRollupRule']=$rule;
790  array_push($rollupRules,$c_rule);
791  }
792  }
793  }
794 
795  if ( $rollupRules != null ) {
796  $rules = new SeqRollupRuleset($rollupRules);
797  // Set the Activity's rollup rules
798  //add class
799  $c_rules['_SeqRollupRuleset']=$rules;
800  $ioAct->setRollupRules($c_rules);
801  }
802 
803  return $ioAct;
804  }
805 
806 
807  public static function getSequencingRules($iNode,$ioAct) {
808  //local variables
809  $ok = true;
810  $tempVal = null;
811 
812  $preRules = array();
813  $exitRules = array();
814  $postRules = array();
815 
816  //get children
817  $children = $iNode->childNodes;
818 
819  //find sequencing rules
820  for ($i = 0; $i < $children->length; $i++ ) {
821  $curNode=$children->item($i);
822  if ($curNode->nodeType == XML_ELEMENT_NODE) {
823  if ($curNode->localName == "preConditionRule" || $curNode->localName == "exitConditionRule" || $curNode->localName == "postConditionRule" ) {
824  $rule = new SeqRule();
825  $ruleInfo = $curNode->childNodes;
826  for ($j = 0; $j < $ruleInfo->length; $j++ ){
827  $curRule=$ruleInfo->item($j);
828  //echo "$curRule->localName\n";
829  if ($curRule->nodeType == XML_ELEMENT_NODE) {
830  if ($curRule->localName == "ruleConditions") {
831  $rule->mConditions = self::extractSeqRuleConditions($curRule);
832  }
833  else if($curRule->localName == "ruleAction"){
834  $tempVal=$curRule->getAttribute("action");
835  if($tempVal) {
836  $rule->mAction = $tempVal;
837  }
838  }
839 
840  }
841  }//end for inner
842  if ( $rule->mConditions != null && $rule->mAction != null ) {
843  //changed from ADL Code..
844  if ($curNode->localName == "preConditionRule") {
845  //echo "ADD PRE";
846  //add class
847  $c_rule['_SeqRule'] = $rule;
848  array_push($preRules,$c_rule);
849  }
850  if ($curNode->localName == "exitConditionRule") {
851  //echo "ADD EXIT";
852  //add class
853  $c_rule['_SeqRule'] = $rule;
854  array_push($exitRules,$c_rule);
855  }
856  if ($curNode->localName == "postConditionRule") {
857  //echo "ADD POST";
858  //add class
859  $c_rule['_SeqRule'] = $rule;
860  array_push($postRules,$c_rule);
861  }
862  }
863  } //end if preCondition
864 
865  } //end if ELEMENT
866  }
867 
868  if ( count($preRules) > 0 ) {
869  $rules = new SeqRuleset($preRules);
870  //add class
871  $c_rules['_SeqRuleset']=$rules;
872  $ioAct->setPreSeqRules($c_rules);
873 
874  }
875 
876  if ( count($exitRules) > 0 ){
877  $rules = new SeqRuleset($exitRules);
878  //add class
879  $c_rules['_SeqRuleset']=$rules;
880  $ioAct->setExitSeqRules($c_rules);
881  }
882  if ( count($postRules) > 0 ){
883  $rules = new SeqRuleset($postRules);
884  //add class
885  $c_rules['_SeqRuleset']=$rules;
886  $ioAct->setPostSeqRules($c_rules);
887  }
888  //echo json_encode($ioAct);
889 
890  return $ioAct;
891 
892  }
893 
894  public static function extractSeqRuleConditions($iNode) {
895 
896  $tempVal = null;
897  $condSet = new SeqConditionSet(false);
898 
899  $conditions = array();
900  $tempVal=$iNode->getAttribute("conditionCombination");
901  if ($tempVal) {
902  $condSet->mCombination=$tempVal;
903  } else {
904  $condSet->mCombination=COMBINATION_ALL;
905  }
906  $condInfo = $iNode->childNodes;
907  for ($i = 0; $i < $condInfo->length; $i++ ) {
908  $curCond=$condInfo->item($i);
909  if ($curCond->nodeType == XML_ELEMENT_NODE) {
910  if ($curCond->localName == "ruleCondition") {
911  $cond = new SeqCondition();
912 
913  //look for condition
914  $tempVal=$curCond->getAttribute("condition");
915  if ($tempVal) {
916  $cond->mCondition = $tempVal;
917  }
918 
919  // Look for 'referencedObjective'
920  $tempVal=preg_replace('/(%20)+/', ' ', trim($curCond->getAttribute("referencedObjective")));
921  if ($tempVal) {
922  $cond->mObjID = $tempVal;
923 
924  }
925 
926  // Look for 'measureThreshold'
927  $tempVal=$curCond->getAttribute("measureThreshold");
928  if ($tempVal) {
929  $cond->mThreshold = $tempVal;
930  }
931 
932  // Look for 'operator'
933  $tempVal = $curCond->getAttribute("operator");
934  if ($tempVal) {
935  if ($tempVal == 'not') {
936  $cond->mNot = true;
937  } else {
938  $cond->mNot = false;
939  }
940  }
941 
942  //add class
943  $c_cond['_SeqCondition']=$cond;
944  array_push($conditions,$c_cond);
945 
946  }
947  }
948  }
949 
950  if (count($conditions)>0) {
951  $condSet->mConditions = $conditions;
952  } else {
953  $condSet->mConditions = null;
954  }
955  //add class
956  $c_condSet['_SeqConditionSet']=$condSet;
957  return $c_condSet;
958  }
959 
960  public static function getAuxResources($iNode, $ioAct) {
961  $ok = true;
962  $tempVal = null;
963  $auxRes = array();
964  //get children
965  $children = $iNode->childNodes;
966 
967  //find ressources
968  for ($i = 0; $i < $children->length; $i++ ) {
969  $curNode=$children->item($i);
970  if ($curNode->nodeType == XML_ELEMENT_NODE) {
971  if ($curNode->localName == "auxiliaryResource") {
972  //found it
973  $res = new ADLAuxiliaryResource();
974 
975  // Get the resource's purpose
976  $tempVal=$curNode->getAttribute("purpose");
977  if ($tempVal) {
978  $res->mType = $tempVal;
979  }
980  // Get the resource's ID
981  $tempVal=preg_replace('/(%20)+/', ' ', trim($curNode->getAttribute("auxiliaryResourceID")));
982  if ($tempVal) {
983  $res->mResourceID = $tempVal;
984  }
985  array_push($auxRes,$res);
986  }
987  }
988  }
989  //add class
990  $c_auxRes['_ADLAuxiliaryResource']=$auxRes;
991  $ioAct->setAuxResources($c_auxRes);
992  return $ioAct;
993  }
994 
995  //helper functions
996 
997  private static function convert_to_bool($string) {
998  if (strtoupper($string)=="FALSE") {
999  return false;
1000  } else {
1001  return true;
1002  }
1003  }
1004 
1005 
1006  private function lookupElement($iNode, $iElement){
1007  $value = null;
1008  $curNode = null;
1009  $children = null;
1010 
1011  if ( $iNode != null && $iElement != null ){
1012  $children = $iNode->childNodes;
1013  for ($i = 0; $i < $children->length; $i++ ) {
1014  $curNode = $children->item($i);
1015  if ( ($curNode->nodeType == XML_ELEMENT_NODE)) {
1016  if ($curNode->localName == $iElement) {
1017  break;
1018  }
1019  }
1020 
1021  }
1022  if ($curNode != null ) {
1023  $comp = $curNode->localName;
1024  if ($comp != null) {
1025  if ($comp != $iElement) {
1026  $curNode = null;
1027  }
1028  } else {
1029  $curNode = null;
1030 
1031  }
1032  }
1033 
1034  }
1035  else {
1036  //$iElement is null
1037  $curNode = $iNode;
1038  }
1039 
1040  if ( $curNode != null )
1041  {
1042  $children = $curNode->childNodes;
1043  if ( $children != null ) {
1044  for ($i = 0; $i < $children->length; $i++ ) {
1045  $curNode = $children->item($i);
1046  // make sure we have a 'text' element
1047  if ( ($curNode->nodeType == XML_TEXT_NODE) ||($curNode->nodeType == XML_CDATA_SECTION_NODE) )
1048  {
1049  $value = $value.$curNode->nodeValue;
1050  }
1051  }
1052  }
1053  }
1054  return $value;
1055  }
1056 
1057 
1058 } //end class
1059 
1060 ?>