org.sakaiproject.tool.assessment.qti.asi.Item Maven / Gradle / Ivy
/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/sam/tags/sakai-10.2/samigo-qti/src/java/org/sakaiproject/tool/assessment/qti/asi/Item.java $
* $Id: Item.java 305964 2014-02-14 01:05:35Z [email protected] $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.tool.assessment.qti.asi;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.sakaiproject.tool.assessment.data.dao.assessment.Answer;
import org.sakaiproject.tool.assessment.data.dao.assessment.ItemText;
import org.sakaiproject.tool.assessment.data.ifc.assessment.AnswerIfc;
import org.sakaiproject.tool.assessment.data.ifc.assessment.ItemAttachmentIfc;
import org.sakaiproject.tool.assessment.data.ifc.assessment.ItemDataIfc;
import org.sakaiproject.tool.assessment.data.ifc.assessment.ItemMetaDataIfc;
import org.sakaiproject.tool.assessment.data.ifc.assessment.ItemTextIfc;
import org.sakaiproject.tool.assessment.data.ifc.shared.TypeIfc;
import org.sakaiproject.tool.assessment.qti.constants.AuthoringConstantStrings;
import org.sakaiproject.tool.assessment.qti.constants.QTIConstantStrings;
import org.sakaiproject.tool.assessment.qti.constants.QTIVersion;
import org.sakaiproject.tool.assessment.qti.helper.QTIHelperFactory;
import org.sakaiproject.tool.assessment.qti.helper.item.ItemHelperIfc;
/**
* Copyright: Copyright (c) 2004
* Organization: Sakai Project
* @author rshastri
* @author Ed Smiley [email protected]
* @version $Id: Item.java 305964 2014-02-14 01:05:35Z [email protected] $
*/
public class Item extends ASIBaseClass
{
private static Log log = LogFactory.getLog(Item.class);
private ItemHelperIfc helper;
/**
* Explicitly setting serialVersionUID insures future versions can be
* successfully restored. It is essential this variable name not be changed
* to SERIALVERSIONUID, as the default serialization methods expects this
* exact name.
*/
private static final long serialVersionUID = 1;
private String basePath;
private String identity;
/**
* Creates a new Item object.
*/
public Item(int qtiVersion)
{
super();
initVersion(qtiVersion);
}
/**
* Creates a new Item object.
*
* @param document an item XML document
*/
public Item(Document document, int qtiVersion)
{
super(document);
initVersion(qtiVersion);
}
private void initVersion(int qtiVersion)
{
if (!QTIVersion.isValid(qtiVersion))
{
throw new IllegalArgumentException("Invalid Item QTI version.");
}
switch (qtiVersion)
{
case QTIVersion.VERSION_1_2:
basePath = QTIConstantStrings.ITEM; // for v 1.2
identity = QTIConstantStrings.IDENT;
break;
case QTIVersion.VERSION_2_0:
basePath = QTIConstantStrings.ASSESSMENTITEM;// for v 2.0
identity = QTIConstantStrings.AITEM_IDENT;
break;
default:
basePath = QTIConstantStrings.ITEM; // DEFAULT
identity = QTIConstantStrings.IDENT;
break;
}
QTIHelperFactory factory = new QTIHelperFactory();
helper = factory.getItemHelperInstance(qtiVersion);
log.debug("Item XML class.initVersion(int qtiVersion)");
log.debug("qtiVersion="+qtiVersion);
log.debug("basePath="+basePath);
log.debug("identity="+identity);
}
/**
* set identity attribute (ident/identity)
* @param ident the value
*/
public void setIdent(String ident)
{
String xpath = basePath;
List list = this.selectNodes(xpath);
if (list.size() > 0)
{
Element element = (Element) list.get(0);
element.setAttribute(identity, ident);
}
}
/**
* set title attribute
* @param ident the value
*/
public void setTitle(String title)
{
String xpath = basePath;
List list = this.selectNodes(xpath);
if (list.size() > 0)
{
Element element = (Element) list.get(0);
element.setAttribute(QTIConstantStrings.TITLE, escapeXml(title));
}
}
/**
* Update XML from persistence
* @param item
*/
public void update(ItemDataIfc item)
{
if(item == null) {
return;
}
// metadata
setFieldentry("ITEM_OBJECTIVE",
item.getItemMetaDataByLabel(ItemMetaDataIfc.OBJECTIVE ));
setFieldentry("ITEM_KEYWORD",
item.getItemMetaDataByLabel(ItemMetaDataIfc.KEYWORD));
setFieldentry("ITEM_RUBRIC", item.getItemMetaDataByLabel(ItemMetaDataIfc.RUBRIC ));
setFieldentry("ATTACHMENT", getAttachment(item));
// set TIMEALLOWED and NUM_OF_ATTEMPTS for audio recording questions:
if (item.getDuration()!=null){
setFieldentry("TIMEALLOWED",
item.getDuration().toString());
}
if (item.getTriesAllowed()!=null){
setFieldentry("NUM_OF_ATTEMPTS",
item.getTriesAllowed().toString());
}
// rshastri: SAK-1824
if((item.getTypeId().equals(TypeIfc.TRUE_FALSE) ||
item.getTypeId().equals(TypeIfc.MULTIPLE_CHOICE)||
item.getTypeId().equals(TypeIfc.MULTIPLE_CORRECT) ||
item.getTypeId().equals(TypeIfc.MULTIPLE_CORRECT_SINGLE_SELECTION)) && item.getHasRationale() !=null)
{
setFieldentry("hasRationale", item.getHasRationale().toString());
}
if(item.getTypeId().equals(TypeIfc.MULTIPLE_CHOICE) && item.getPartialCreditFlag()){
setFieldentry("PARTIAL_CREDIT", "TRUE");
}else{
setFieldentry("PARTIAL_CREDIT", "FALSE");
}
// rshastri: SAK-1824
// item data
if (!this.isSurvey() && !this.isMXSURVEY()) //surveys are unscored
{
helper.addMaxScore(item.getScore(), this);
helper.addMinScore(item.getDiscount(), this);
}
if(item !=null &&(item.getTypeId().equals(TypeIfc.FILL_IN_BLANK))) {
setFieldentry("MUTUALLY_EXCLUSIVE", item.getItemMetaDataByLabel(ItemMetaDataIfc.MUTUALLY_EXCLUSIVE_FOR_FIB ));
setFieldentry("CASE_SENSITIVE", item.getItemMetaDataByLabel(ItemMetaDataIfc.CASE_SENSITIVE_FOR_FIB ));
}
if(item !=null && (item.getTypeId().equals(TypeIfc.MULTIPLE_CHOICE) || item.getTypeId().equals(TypeIfc.MULTIPLE_CORRECT) ||item.getTypeId().equals(TypeIfc.MULTIPLE_CORRECT_SINGLE_SELECTION))) {
setFieldentry("RANDOMIZE", item.getItemMetaDataByLabel(ItemMetaDataIfc.RANDOMIZE ));
setFieldentry("MCMS_PARTIAL_CREDIT", item.getItemMetaDataByLabel(ItemMetaDataIfc.MCMS_PARTIAL_CREDIT ));
}
if (this.isMXSURVEY()) {
setFieldentry("FORCE_RANKING", item.getItemMetaDataByLabel(ItemMetaDataIfc.FORCE_RANKING));
setFieldentry("ADD_COMMENT_MATRIX", item.getItemMetaDataByLabel(ItemMetaDataIfc.ADD_COMMENT_MATRIX));
setFieldentry("MX_SURVEY_QUESTION_COMMENTFIELD", item.getItemMetaDataByLabel(ItemMetaDataIfc.MX_SURVEY_QUESTION_COMMENTFIELD));
setFieldentry("MX_SURVEY_RELATIVE_WIDTH", item.getItemMetaDataByLabel(ItemMetaDataIfc.MX_SURVEY_RELATIVE_WIDTH));
}
String instruction = item.getInstruction();
if (this.isMatching() || this.isFIB() || this.isFIN() || this.isMXSURVEY() || this.isCalculatedQuestion())
{
if ( instruction != null)
{
helper.setItemText(instruction, this);
}
}
if(this.isEMI()){
helper.setItemLabel(StringEscapeUtils.escapeXml(item.getThemeText()), this);
helper.setPresentationLabel(item.getIsAnswerOptionsSimple()?"Simple":"Rich", this);
String ident = "EMI" + item.getSequence();
helper.setPresentationFlowResponseIdent(ident, this);
//set attachments
helper.setAttachments(item.getItemAttachmentSet(), this);
//set the options
if(item.getIsAnswerOptionsSimple()){
setItemTexts(Collections.singletonList(
item.getItemTextBySequence(ItemTextIfc.EMI_ANSWER_OPTIONS_SEQUENCE)));
}else{
ItemText it = new ItemText();
it.setSequence(ItemTextIfc.EMI_ANSWER_OPTIONS_SEQUENCE);
it.setText(item.getEmiAnswerOptionsRichText());
Set answerSet = new HashSet();
String labels = item.getEmiAnswerOptionLabels();
for(int i = 0; i < item.getAnswerOptionsRichCount(); i++){
Answer a = new Answer();
a.setSequence(Long.valueOf(i));
a.setLabel(labels.substring(i, i+1));
answerSet.add(a);
}
it.setAnswerSet(answerSet);
setItemTexts(Collections.singletonList((ItemTextIfc)it));
}
helper.setItemText(item.getLeadInText(), "Leadin", this);
setAnswers(item.getEmiQuestionAnswerCombinations());
return;//already setting text and answers, EMI has no feedback.
}
List itemTexts = item.getItemTextArraySorted();
setItemTexts(itemTexts);
if (this.isTrueFalse()) // we know what the answers are (T/F)
{
Boolean isTrue = item.getIsTrue();
if (isTrue == null)
isTrue = Boolean.FALSE;
setAnswerTrueFalse(isTrue.booleanValue());
}
else {
setAnswers(itemTexts);
}
setFeedback(itemTexts);
}
/**
* Set the answer texts for item.
* @param itemTextList the text(s) for item
*/
public void setAnswerTrueFalse(boolean isTrue)
{
log.debug("isTrue="+isTrue);
if (isTrue)
{
helper.addCorrectAnswer("A", this);
helper.addIncorrectAnswer("B", this);
}
else
{
helper.addCorrectAnswer("B", this);
helper.addIncorrectAnswer("A", this);
}
}
/**
* method for meta data
*
* @param fieldlabel to get
*
* @return the value
*/
public String getFieldentry(String fieldlabel)
{
if (log.isDebugEnabled())
{
log.debug("getFieldentry(String " + fieldlabel + ")");
}
String xpath = helper.getMetaLabelXPath(fieldlabel);
return super.getFieldentry(xpath);
}
/**
* method for meta data
*
* @param fieldlabel to get
*
* @param setValue the value
*/
public void setFieldentry(String fieldlabel, String setValue)
{
if (log.isDebugEnabled())
{
log.debug(
"setFieldentry(String " + fieldlabel + ", String " + setValue +
")");
}
String xpath = helper.getMetaLabelXPath(fieldlabel);
super.setFieldentry(xpath, setValue);
}
/**
* Create a metadata field entry
*
* @param fieldlabel the field label
*/
public void createFieldentry(String fieldlabel)
{
if (log.isDebugEnabled())
{
log.debug("createFieldentry(String " + fieldlabel + ")");
}
String xpath = helper.getMetaXPath();
super.createFieldentry(xpath, fieldlabel);
}
public String getItemType()
{
String type = this.getFieldentry("qmd_itemtype");
return type;
}
/**
* Set the item texts.
* Valid for single and multiple texts.
* @param itemText text to be updated
*/
public void setItemTexts(List itemTextList)
{
helper.setItemTexts(itemTextList, this);
}
public boolean isEssay()
{
boolean essay =
AuthoringConstantStrings.ESSAY.equals(this.getItemType()) ||
AuthoringConstantStrings.ESSAY_ALT.equals(this.getItemType());
return essay ? true : false;
}
public boolean isSurvey()
{
return AuthoringConstantStrings.SURVEY.equals(this.getItemType()) ? true : false;
}
public boolean isMXSURVEY()
{
return AuthoringConstantStrings.MATRIX.equals(this.getItemType()) ? true : false;
}
public boolean isAudio()
{
return AuthoringConstantStrings.AUDIO.equals(this.getItemType()) ? true : false;
}
public boolean isFile()
{
return AuthoringConstantStrings.FILE.equals(this.getItemType()) ? true : false;
}
public boolean isMatching()
{
return AuthoringConstantStrings.MATCHING.equals(this.getItemType()) ? true : false;
}
public boolean isFIB()
{
return AuthoringConstantStrings.FIB.equals(this.getItemType()) ? true : false;
}
public boolean isFIN()
{
return AuthoringConstantStrings.FIN.equals(this.getItemType()) ? true : false;
}
public boolean isMCMC()
{
return AuthoringConstantStrings.MCMC.equals(this.getItemType()) ? true : false;
}
public boolean isMCMCSS()
{
return AuthoringConstantStrings.MCMCSS.equals(this.getItemType()) ? true : false;
}
public boolean isMCSC()
{
return AuthoringConstantStrings.MCSC.equals(this.getItemType()) ? true : false;
}
private boolean isTrueFalse()
{
return AuthoringConstantStrings.TF.equals(this.getItemType()) ? true : false;
}
public boolean isEMI()
{
return AuthoringConstantStrings.EMI.equals(this.getItemType()) ? true : false;
}
// CALCULATED_QUESTION
public boolean isCalculatedQuestion()
{
return AuthoringConstantStrings.CALCQ.equals(this.getItemType()) ? true : false;
}
/**
* Set the answer texts for item.
* @param itemTextList the text(s) for item
*/
public void setAnswers(List itemTextList)
{
helper.setAnswers(itemTextList, this);
}
/**
* Set the feedback texts for item.
* @param itemTextList the text(s) for item
*/
public void setFeedback(List itemTextList)
{
helper.setFeedback(itemTextList, this);
}
/**
* Get the text for the item
* @return the text
*/
public String getItemText()
{
return helper.getText(this);
}
public String getBasePath()
{
return basePath;
}
public void setBasePath(String basePath)
{
this.basePath = basePath;
}
private String getAttachment(ItemDataIfc item) {
Set attachmentSet = item.getItemAttachmentSet();
if (attachmentSet != null && attachmentSet.size() != 0) {
Iterator iter = attachmentSet.iterator();
ItemAttachmentIfc attachmentData = null;
StringBuilder attachment = new StringBuilder();
while (iter.hasNext())
{
attachmentData = iter.next();
attachment.append(attachmentData.getResourceId().replaceAll(" ", ""));
attachment.append("|");
attachment.append(attachmentData.getFilename());
attachment.append("|");
attachment.append(attachmentData.getMimeType());
attachment.append("\n");
}
return attachment.toString();
}
else {
return null;
}
}
}
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