Java QuestionDef类代码示例

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
/**
 * Attempts to return the specified Item (from a select or 1select) text.
 * Will check for text in the following order:<br/>
 * Localized Text (long form) -> Localized Text (no special form) <br />
 * If no textID is available, method will return this item's labelInnerText.
 * @param sel the selection (item), if <code>null</code> will throw a IllegalArgumentException
 * @return Question Text.  <code>null</code> if no text for this element exists (after all fallbacks).
 * @throws RunTimeException if this method is called on an element that is NOT a QuestionDef
 * @throws IllegalArgumentException if Selection is <code>null</code>
 */
public String getSelectItemText(Selection sel){
	//throw tantrum if this method is called when it shouldn't be or sel==null
	if(!(getFormElement() instanceof QuestionDef)) throw new RuntimeException("Can't retrieve question text for non-QuestionDef form elements!");
	if(sel == null) throw new IllegalArgumentException("Cannot use null as an argument!");

	//Just in case the selection hasn't had a chance to be initialized yet.
	if(sel.index == -1) { sel.attachChoice(this.getQuestion()); }

	//check for the null id case and return labelInnerText if it is so.
	String tid = sel.choice.getTextID();
	if(tid == null || tid == "") return substituteStringArgs(sel.choice.getLabelInnerText());

	//otherwise check for 'long' form of the textID, then for the default form and return
	String returnText;
	returnText = getIText(tid, "long");
	if(returnText == null) returnText = getIText(tid,null);

	return substituteStringArgs(returnText);
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
/**
 * Returns a hierarchical list of FormEntryCaption objects for the given
 * FormIndex
 *
 * @param index
 * @return list of FormEntryCaptions in hierarchical order
 */
public FormEntryCaption[] getCaptionHierarchy(FormIndex index) {
    List<FormEntryCaption> captions = new ArrayList<FormEntryCaption>();
    FormIndex remaining = index;
    while (remaining != null) {
        remaining = remaining.getNextLevel();
        FormIndex localIndex = index.diff(remaining);
        IFormElement element = form.getChild(localIndex);
        if (element != null) {
            FormEntryCaption caption = null;
            if (element instanceof GroupDef)
                caption = new FormEntryCaption(getForm(), localIndex);
            else if (element instanceof QuestionDef)
                caption = new FormEntryPrompt(getForm(), localIndex);

            if (caption != null) {
                captions.add(caption);
            }
        }
    }
    FormEntryCaption[] captionArray = new FormEntryCaption[captions.size()];
    return captions.toArray(captionArray);
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
public void attachChoice (QuestionDef q) {
	if (q.getDynamicChoices() != null) //can't attach dynamic choices because they aren't guaranteed to exist yet
		return;

	SelectChoice choice = null;

	if (index != -1 && index < q.getNumChoices()) {
		choice = q.getChoice(index);
	} else if (xmlValue != null && xmlValue.length() > 0) {
		choice = q.getChoiceForValue(xmlValue);
	}

	if (choice != null) {
		attachChoice(choice);
	} else {
		throw new XPathTypeMismatchException("value " + xmlValue + " could not be loaded into question " + q.getTextID()
				+ ".  Check to see if value " + xmlValue + " is a valid option for question " + q.getTextID() + ".");
	}
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
protected QuestionDef parseUpload(IFormElement parent, Element e, int controlUpload) {
    List<String> usedAtts = new ArrayList<String>();
usedAtts.add("mediatype");
// get media type value
String mediaType = e.getAttributeValue(null, "mediatype");
// parse the control
QuestionDef question = parseControl(parent, e, controlUpload, usedAtts);

// apply the media type value to the returned question def.
if ("image/*".equals(mediaType)) {
	// NOTE: this could be further expanded.
	question.setControlType(Constants.CONTROL_IMAGE_CHOOSE);
} else if("audio/*".equals(mediaType)) {
          question.setControlType(Constants.CONTROL_AUDIO_CAPTURE);
      } else if ("video/*".equals(mediaType)) {
          question.setControlType(Constants.CONTROL_VIDEO_CAPTURE);
      }
      return question;
  }
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
private void parseQuestionLabel (QuestionDef q, Element e) {
	String label = getLabel(e);
	String ref = e.getAttributeValue("", REF_ATTR);

     List<String> usedAtts = new ArrayList<String>();
	usedAtts.add(REF_ATTR);

	if (ref != null) {
		if (ref.startsWith(ITEXT_OPEN) && ref.endsWith(ITEXT_CLOSE)) {
			String textRef = ref.substring(ITEXT_OPEN.length(), ref.indexOf(ITEXT_CLOSE));

			verifyTextMappings(textRef, "Question <label>", true);
			q.setTextID(textRef);
		} else {
			throw new RuntimeException("malformed ref [" + ref + "] for <label>");
		}
	} else {
		q.setLabelInnerText(label);
	}


	if(XFormUtils.showUnusedAttributeWarning(e, usedAtts)){
		reporter.warning(XFormParserReporter.TYPE_UNKNOWN_MARKUP, XFormUtils.unusedAttWarning(e, usedAtts), getVagueLocation(e));
	}
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
private void parseHint (QuestionDef q, Element e) {
     List<String> usedAtts = new ArrayList<String>();
	usedAtts.add(REF_ATTR);
	String hint = getXMLText(e, true);
	String hintInnerText = getLabel(e);
	String ref = e.getAttributeValue("", REF_ATTR);

	if (ref != null) {
		if (ref.startsWith(ITEXT_OPEN) && ref.endsWith(ITEXT_CLOSE)) {
			String textRef = ref.substring(ITEXT_OPEN.length(), ref.indexOf(ITEXT_CLOSE));

			verifyTextMappings(textRef, "<hint>", false);
			q.setHelpTextID(textRef);
		} else {
			throw new RuntimeException("malformed ref [" + ref + "] for <hint>");
		}
	} else {
	    q.setHelpInnerText(hintInnerText);
		q.setHelpText(hint);
	}

	if(XFormUtils.showUnusedAttributeWarning(e, usedAtts)){
		reporter.warning(XFormParserReporter.TYPE_UNKNOWN_MARKUP, XFormUtils.unusedAttWarning(e, usedAtts), getVagueLocation(e));
	}
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
public void testNonLocalizedText(){
	FormEntryController fec = fpi.getFormEntryController();
	fec.jumpToIndex(FormIndex.createBeginningOfFormIndex());
	boolean testFlag = false;
	Localizer l = fpi.getFormDef().getLocalizer();

	l.setDefaultLocale(l.getAvailableLocales()[0]);
	l.setLocale(l.getAvailableLocales()[0]);

	do{
		if(fpi.getCurrentQuestion()==null) continue;
		QuestionDef q = fpi.getCurrentQuestion();
		fep = fpi.getFormEntryModel().getQuestionPrompt();
		String t = fep.getQuestionText();
		if(t==null) continue;
		if(t.equals("Non-Localized label inner text!")) testFlag = true;


	}while(fec.stepToNextEvent()!=FormEntryController.EVENT_END_OF_FORM);

	if(!testFlag) fail("Failed to fallback to labelInnerText in testNonLocalizedText()");
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
public void testFlagObservers () {
	QuestionDef q = new QuestionDef();

	QuestionObserver qo = new QuestionObserver();
	q.registerStateObserver(qo);

	if (qo.flag || qo.q != null || qo.flags != 0) {
		fail("Improper state in question observer");
	}

	q.unregisterStateObserver(qo);
	
	if (qo.flag) {
		fail("Localization observer updated after unregistered");
	}
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
public void testAnswerConstraint(){
	IntegerData ans = new IntegerData(13);
	FormEntryController fec = fpi.getFormEntryController();
	fec.jumpToIndex(FormIndex.createBeginningOfFormIndex());
	
	do{
		
		QuestionDef q = fpi.getCurrentQuestion();
		if(q==null || q.getTextID() == null || q.getTextID() == "")continue;
		if(q.getTextID().equals("constraint-test")){
			int response = fec.answerQuestion(ans, true);
			if(response == FormEntryController.ANSWER_CONSTRAINT_VIOLATED){
				fail("Answer Constraint test failed.");
			}else if(response == FormEntryController.ANSWER_OK){
				break;
			}else{
				fail("Bad response from fec.answerQuestion()");
			}
		}
	}while(fec.stepToNextEvent()!=FormEntryController.EVENT_END_OF_FORM);
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
public static FormDef createSimpleGroupReference() {
	FormDef theform = new FormDef();
	
	QuestionDef question1 = new QuestionDef();
	GroupDef group1 = new GroupDef();
	QuestionDef question11 = new QuestionDef();
	QuestionDef question12 = new QuestionDef();
	group1.addChild(question11);
	group1.addChild(question12);
	QuestionDef question2 = new QuestionDef();
	theform.addChild(question1);
	theform.addChild(group1);
	theform.addChild(question2);
	
	return theform;
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
public void createView() {

        //#if javarosa.usepolishlocalisation
        //setHint(Locale.get("hint.TypeOrScan"));
        //#else
        setHint("Type in your answer");
        //#endif

        //#style textBox
         tf = new TextField("", "", 200, TextField.ANY);
         if(qDef.instanceNode.required)
                tf.setLabel("*"+((QuestionDef)qDef.element).getLongText()); //visual symbol for required
                else
                    tf.setLabel(((QuestionDef)qDef.element).getLongText());
        this.append(tf);
        this.addNavigationButtons();
        if (((QuestionDef)qDef.element).getHelpText()!=null){
            setHint(((QuestionDef)qDef.element).getHelpText());
        }

    }
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
/**
 * Attempts to return the specified Item (from a select or 1select) text.
 * Will check for text in the following order:<br/>
 * Localized Text (long form) -> Localized Text (no special form) <br />
 * If no textID is available, method will return this item's labelInnerText.
 *
 * @param sel the selection (item), if <code>null</code> will throw a IllegalArgumentException
 * @return Question Text.  <code>null</code> if no text for this element exists (after all fallbacks).
 * @throws IllegalArgumentException if Selection is <code>null</code>
 */
public String getSelectItemText(Selection sel) {
    //throw tantrum if this method is called when it shouldn't be or sel==null
    if (!(getFormElement() instanceof QuestionDef))
        throw new RuntimeException("Can't retrieve question text for non-QuestionDef form elements!");
    if (sel == null) throw new IllegalArgumentException("Cannot use null as an argument!");

    //Just in case the selection hasn't had a chance to be initialized yet.
    if (sel.index == -1) {
        sel.attachChoice(this.getQuestion());
    }

    //check for the null id case and return labelInnerText if it is so.
    String tid = sel.choice.getTextID();
    if (tid == null || "".equals(tid)) {
        return substituteStringArgs(sel.choice.getLabelInnerText());
    }

    //otherwise check for 'long' form of the textID, then for the default form and return
    String returnText;
    returnText = getIText(tid, "long");
    if (returnText == null) returnText = getIText(tid, null);

    return substituteStringArgs(returnText);
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
public void attachChoice(QuestionDef q) {
    if (q.getDynamicChoices() != null) //can't attach dynamic choices because they aren't guaranteed to exist yet
        return;

    SelectChoice choice = null;

    if (index != -1 && index < q.getNumChoices()) {
        choice = q.getChoice(index);
    } else if (xmlValue != null && xmlValue.length() > 0) {
        choice = q.getChoiceForValue(xmlValue);
    }

    if (choice != null) {
        attachChoice(choice);
    } else {
        throw new XPathTypeMismatchException("value " + xmlValue + " could not be loaded into question " + q.getTextID()
                + ".  Check to see if value " + xmlValue + " is a valid option for question " + q.getTextID() + ".");
    }
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
protected QuestionDef parseUpload(IFormElement parent, Element e, int controlUpload) {
    Vector<String> usedAtts = new Vector<String>();
    usedAtts.addElement("mediatype");

    QuestionDef question = parseControl(parent, e, controlUpload, usedAtts);

    String mediaType = e.getAttributeValue(null, "mediatype");
    if ("image/*".equals(mediaType)) {
        // NOTE: this could be further expanded. 
        question.setControlType(Constants.CONTROL_IMAGE_CHOOSE);
    } else if ("audio/*".equals(mediaType)) {
        question.setControlType(Constants.CONTROL_AUDIO_CAPTURE);
    } else if ("video/*".equals(mediaType)) {
        question.setControlType(Constants.CONTROL_VIDEO_CAPTURE);
    }

    return question;
}
 

import org.javarosa.core.model.QuestionDef; //导入依赖的package包/类
private void parseControlChildren(Element e, QuestionDef question, IFormElement parent,
                                  boolean isSelect) {
    for (int i = 0; i < e.getChildCount(); i++) {
        int type = e.getType(i);
        Element child = (type == Node.ELEMENT ? e.getElement(i) : null);
        if (child == null) {
            continue;
        }
        String childName = child.getName();

        if (LABEL_ELEMENT.equals(childName) || HINT_ELEMENT.equals(childName)
                || HELP_ELEMENT.equals(childName) || CONSTRAINT_ELEMENT.equals(childName)) {
            parseHelperText(question, child);
        } else if (isSelect && "item".equals(childName)) {
            parseItem(question, child);
        } else if (isSelect && "itemset".equals(childName)) {
            parseItemset(question, child);
        } else if (actionHandlers.containsKey(childName)) {
            actionHandlers.get(childName).handle(this, child, question);
        }
    }
}