ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions
assTextQuestionExport Class Reference
Modules/TestQuestionPool

Class for essay question exports. More...

+ Inheritance diagram for assTextQuestionExport:
+ Collaboration diagram for assTextQuestionExport:

Public Member Functions

 toXML ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)
 Returns a QTI xml representation of the question. More...
 
- Public Member Functions inherited from assQuestionExport
 assQuestionExport (&$a_object)
 assQuestionExport constructor More...
 
 exportFeedbackOnly ($a_xml_writer)
 
 toXML ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)
 Returns a QTI xml representation of the question. More...
 

Additional Inherited Members

- Data Fields inherited from assQuestionExport
 $object
 
- Protected Member Functions inherited from assQuestionExport
 addAnswerSpecificFeedback (ilXmlWriter $a_xml_writer, $answers)
 
 addGenericFeedback (ilXmlWriter $a_xml_writer)
 
 addQtiMetaDataField (ilXmlWriter $a_xml_writer, $fieldLabel, $fieldValue)
 adds a qti meta data field with given name and value to the passed xml writer (xml writer must be in context of opened "qtimetadata" tag) More...
 
 addAdditionalContentEditingModeInformation (ilXmlWriter $a_xml_writer)
 adds a qti meta data field for ilias specific information of "additional content editing mode" (xml writer must be in context of opened "qtimetadata" tag) More...
 
 addGeneralMetadata (ilXmlWriter $xmlwriter)
 

Detailed Description

Class for essay question exports.

assTextQuestionExport is a class for essay question exports

Author
Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m
Version
$Id$

Definition at line 15 of file class.assTextQuestionExport.php.

Member Function Documentation

◆ toXML()

assTextQuestionExport::toXML (   $a_include_header = true,
  $a_include_binary = true,
  $a_shuffle = false,
  $test_output = false,
  $force_image_references = false 
)

Returns a QTI xml representation of the question.

Returns a QTI xml representation of the question and sets the internal domxml variable with the DOM XML representation of the QTI xml representation

Returns
string The QTI xml representation of the question public

Definition at line 26 of file class.assTextQuestionExport.php.

References assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), TEXT_QUESTION_IDENTIFIER, and ilXmlWriter\xmlHeader().

27  {
28  global $ilias;
29 
30  include_once("./Services/Xml/classes/class.ilXmlWriter.php");
31  $a_xml_writer = new ilXmlWriter;
32  // set xml header
33  $a_xml_writer->xmlHeader();
34  $a_xml_writer->xmlStartTag("questestinterop");
35  $attrs = array(
36  "ident" => "il_".IL_INST_ID."_qst_".$this->object->getId(),
37  "title" => $this->object->getTitle(),
38  "maxattempts" => $this->object->getNrOfTries()
39  );
40  $a_xml_writer->xmlStartTag("item", $attrs);
41  // add question description
42  $a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
43  // add estimated working time
44  $workingtime = $this->object->getEstimatedWorkingTime();
45  $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
46  $a_xml_writer->xmlElement("duration", NULL, $duration);
47  // add ILIAS specific metadata
48  $a_xml_writer->xmlStartTag("itemmetadata");
49  $a_xml_writer->xmlStartTag("qtimetadata");
50  $a_xml_writer->xmlStartTag("qtimetadatafield");
51  $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
52  $a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
53  $a_xml_writer->xmlEndTag("qtimetadatafield");
54  $a_xml_writer->xmlStartTag("qtimetadatafield");
55  $a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
56  $a_xml_writer->xmlElement("fieldentry", NULL, TEXT_QUESTION_IDENTIFIER);
57  $a_xml_writer->xmlEndTag("qtimetadatafield");
58  $a_xml_writer->xmlStartTag("qtimetadatafield");
59  $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
60  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
61  $a_xml_writer->xmlEndTag("qtimetadatafield");
62 
63  // additional content editing information
64  $this->addAdditionalContentEditingModeInformation($a_xml_writer);
65  $this->addGeneralMetadata($a_xml_writer);
66 
67  $a_xml_writer->xmlStartTag("qtimetadatafield");
68  $a_xml_writer->xmlElement("fieldlabel", NULL, "textrating");
69  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getTextRating());
70  $a_xml_writer->xmlEndTag("qtimetadatafield");
71 
72  /*
73  $a_xml_writer->xmlStartTag("qtimetadatafield");
74  $a_xml_writer->xmlElement("fieldlabel", NULL, "keywords");
75  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getKeywords());
76  $a_xml_writer->xmlEndTag("qtimetadatafield");
77  */
78 
79  $a_xml_writer->xmlStartTag("qtimetadatafield");
80  $a_xml_writer->xmlElement("fieldlabel", NULL, "matchcondition");
81  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->matchcondition);
82  $a_xml_writer->xmlEndTag("qtimetadatafield");
83 
84  $a_xml_writer->xmlStartTag("qtimetadatafield");
85  $a_xml_writer->xmlElement("fieldlabel", NULL, "termscoring");
86  $scores = base64_encode(serialize($this->object->getAnswers()));
87  $a_xml_writer->xmlElement("fieldentry", NULL, $scores);
88  $a_xml_writer->xmlEndTag("qtimetadatafield");
89 
90  $a_xml_writer->xmlStartTag("qtimetadatafield");
91  $a_xml_writer->xmlElement("fieldlabel", NULL, "termrelation");
92  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getKeywordRelation());
93  $a_xml_writer->xmlEndTag("qtimetadatafield");
94 
95  $a_xml_writer->xmlStartTag("qtimetadatafield");
96  $a_xml_writer->xmlElement("fieldlabel", NULL, "specificfeedback");
97  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getKeywordRelation());
98  $a_xml_writer->xmlEndTag("qtimetadatafield");
99 
100  $a_xml_writer->xmlEndTag("qtimetadata");
101  $a_xml_writer->xmlEndTag("itemmetadata");
102 
103  // PART I: qti presentation
104  $attrs = array(
105  "label" => $this->object->getTitle()
106  );
107  $a_xml_writer->xmlStartTag("presentation", $attrs);
108  // add flow to presentation
109  $a_xml_writer->xmlStartTag("flow");
110  // add material with question text to presentation
111  $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
112  // add information on response rendering
113  $attrs = array(
114  "ident" => "TEXT",
115  "rcardinality" => "Ordered"
116  );
117  $a_xml_writer->xmlStartTag("response_str", $attrs);
118  $attrs = array(
119  "fibtype" => "String",
120  "prompt" => "Box"
121  );
122  if ($this->object->getMaxNumOfChars() > 0)
123  {
124  $attrs["maxchars"] = $this->object->getMaxNumOfChars();
125  }
126  $a_xml_writer->xmlStartTag("render_fib", $attrs);
127  $attrs = array(
128  "ident" => "A"
129  );
130  $a_xml_writer->xmlStartTag("response_label", $attrs);
131  $a_xml_writer->xmlEndTag("response_label");
132  $a_xml_writer->xmlEndTag("render_fib");
133 
134  $solution = $this->object->getSuggestedSolution(0);
135  if (count($solution))
136  {
137  if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
138  {
139  $a_xml_writer->xmlStartTag("material");
140  $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
141  if (strcmp($matches[1], "") != 0)
142  {
143  $intlink = $solution["internal_link"];
144  }
145  $attrs = array(
146  "label" => "suggested_solution"
147  );
148  $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
149  $a_xml_writer->xmlEndTag("material");
150  }
151  }
152  $a_xml_writer->xmlEndTag("response_str");
153  $a_xml_writer->xmlEndTag("flow");
154  $a_xml_writer->xmlEndTag("presentation");
155 
156  // PART II: qti resprocessing
157  $attrs = array(
158  "scoremodel" => "HumanRater"
159  );
160  $a_xml_writer->xmlStartTag("resprocessing", $attrs);
161  $a_xml_writer->xmlStartTag("outcomes");
162  $attrs = array(
163  "varname" => "WritingScore",
164  "vartype" => "Integer",
165  "minvalue" => "0",
166  "maxvalue" => $this->object->getPoints()
167  );
168  $a_xml_writer->xmlStartTag("decvar", $attrs);
169  $a_xml_writer->xmlEndTag("decvar");
170  $a_xml_writer->xmlEndTag("outcomes");
171 
172  $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
173  $this->object->getId(), true
174  );
175  $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
176  $this->object->getId(), false
177  );
178  if (strlen($feedback_allcorrect . $feedback_onenotcorrect))
179  {
180  if (strlen($feedback_allcorrect))
181  {
182  $attrs = array(
183  "continue" => "Yes"
184  );
185  $a_xml_writer->xmlStartTag("respcondition", $attrs);
186  // qti conditionvar
187  $a_xml_writer->xmlStartTag("conditionvar");
188  $attrs = array(
189  "respident" => "points"
190  );
191  $a_xml_writer->xmlElement("varequal", $attrs, $this->object->getPoints());
192  $a_xml_writer->xmlEndTag("conditionvar");
193  // qti displayfeedback
194  $attrs = array(
195  "feedbacktype" => "Response",
196  "linkrefid" => "response_allcorrect"
197  );
198  $a_xml_writer->xmlElement("displayfeedback", $attrs);
199  $a_xml_writer->xmlEndTag("respcondition");
200  }
201 
202  if (strlen($feedback_onenotcorrect))
203  {
204  $attrs = array(
205  "continue" => "Yes"
206  );
207  $a_xml_writer->xmlStartTag("respcondition", $attrs);
208  // qti conditionvar
209  $a_xml_writer->xmlStartTag("conditionvar");
210  $a_xml_writer->xmlStartTag("not");
211  $attrs = array(
212  "respident" => "points"
213  );
214  $a_xml_writer->xmlElement("varequal", $attrs, $this->object->getPoints());
215  $a_xml_writer->xmlEndTag("not");
216  $a_xml_writer->xmlEndTag("conditionvar");
217  // qti displayfeedback
218  $attrs = array(
219  "feedbacktype" => "Response",
220  "linkrefid" => "response_onenotcorrect"
221  );
222  $a_xml_writer->xmlElement("displayfeedback", $attrs);
223  $a_xml_writer->xmlEndTag("respcondition");
224  }
225  }
226 
227  $a_xml_writer->xmlStartTag("respcondition");
228  $a_xml_writer->xmlStartTag("conditionvar");
229  $a_xml_writer->xmlElement("other", NULL, "tutor_rated");
230  $a_xml_writer->xmlEndTag("conditionvar");
231  $a_xml_writer->xmlEndTag("respcondition");
232  $a_xml_writer->xmlEndTag("resprocessing");
233 
234  if (strlen($feedback_allcorrect))
235  {
236  $attrs = array(
237  "ident" => "response_allcorrect",
238  "view" => "All"
239  );
240  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
241  // qti flow_mat
242  $a_xml_writer->xmlStartTag("flow_mat");
243  $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
244  $a_xml_writer->xmlEndTag("flow_mat");
245  $a_xml_writer->xmlEndTag("itemfeedback");
246  }
247  if (strlen($feedback_onenotcorrect))
248  {
249  $attrs = array(
250  "ident" => "response_onenotcorrect",
251  "view" => "All"
252  );
253  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
254  // qti flow_mat
255  $a_xml_writer->xmlStartTag("flow_mat");
256  $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
257  $a_xml_writer->xmlEndTag("flow_mat");
258  $a_xml_writer->xmlEndTag("itemfeedback");
259  }
260 
261  $a_xml_writer->xmlEndTag("item");
262  $a_xml_writer->xmlEndTag("questestinterop");
263 
264  $xml = $a_xml_writer->xmlDumpMem(FALSE);
265  if (!$a_include_header)
266  {
267  $pos = strpos($xml, "?>");
268  $xml = substr($xml, $pos + 2);
269  }
270  return $xml;
271  }
ilXmlWriter
XML writer class.
Definition: class.ilXmlWriter.php:17
assQuestionExport\addGeneralMetadata
addGeneralMetadata(ilXmlWriter $xmlwriter)
Definition: class.assQuestionExport.php:210
ilXmlWriter\xmlHeader
xmlHeader()
Writes xml header public.
Definition: class.ilXmlWriter.php:297
TEXT_QUESTION_IDENTIFIER
const TEXT_QUESTION_IDENTIFIER
Definition: inc.AssessmentConstants.php:34
assQuestionExport\addAdditionalContentEditingModeInformation
addAdditionalContentEditingModeInformation(ilXmlWriter $a_xml_writer)
adds a qti meta data field for ilias specific information of "additional content editing mode" (xml w...
Definition: class.assQuestionExport.php:200
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