Java FormIndex类代码示例

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
private void parseTabGroups(GroupDef tabGroupElement, FormIndex groupIndex, FormEntryCaption tabGroupCaption, String tabGroupName) {
	IFormElement element;
	String archEntType = tabGroupCaption.getFormElement().getAdditionalAttribute(null, "faims_archent_type");
	String relType = tabGroupCaption.getFormElement().getAdditionalAttribute(null, "faims_rel_type");

	String tabGroupLabel = tabGroupCaption.getQuestionText();
	String tabGroupRef = tabGroupName;
	TabGroupGenerator tabGroupGen = new TabGroupGenerator(tabGroupRef, tabGroupLabel, archEntType, relType);
	tabGroupGeneratorList.add(tabGroupGen);
	
	// descend into group
	FormIndex tabIndex = this.fem.getModel().incrementIndex(groupIndex,true);

	int tabs = tabGroupElement.getChildren().size();
	for (int i = 0; i < tabs; i++) {
		element = this.fem.getModel().getForm().getChild(tabIndex);

		if (element instanceof GroupDef) {
			parseTab(element, tabIndex, tabGroupRef, tabGroupGen);
		}

		tabIndex = this.fem.getModel().incrementIndex(tabIndex, false);
	}
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
private void parseTab(IFormElement element, FormIndex tabIndex, String tabGroupRef, TabGroupGenerator tabGroupGen) {
	GroupDef tabElement = (GroupDef) element;
	FormEntryCaption tabCaption = this.fem.getModel().getCaptionPrompt(tabIndex);

	String tabName = tabCaption.getIndex().getReference().getNameLast();
	boolean faims_hidden = "true".equals(tabElement.getAdditionalAttribute(null, "faims_hidden"));
	boolean faims_scrollable = !"false".equals(tabElement.getAdditionalAttribute(null, "faims_scrollable"));
	String tabRef = tabGroupRef + "/" + tabName; 
	
	TabGenerator tabGen = new TabGenerator(tabRef, tabName, tabCaption.getQuestionText(), faims_hidden, faims_scrollable, activityRef);
	tabGroupGen.addTabGenerator(tabGen);

	// descend into group
	FormIndex containerIndex = this.fem.getModel().incrementIndex(tabIndex, true);

	for (int i = 0; i < tabElement.getChildren().size(); i++) {
		element = this.fem.getModel().getForm().getChild(containerIndex);

		if (element instanceof GroupDef) {
			parseContainer(element, containerIndex, tabRef, tabGen, null);
		} else {
			parseInput(element, containerIndex, tabRef, tabGen, null);
		}
		containerIndex = this.fem.getModel().incrementIndex(containerIndex, false);
	}
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
private void parseContainer(IFormElement element, FormIndex childIndex, String tabRef, TabGenerator tabGen, ContainerGenerator parentContainerGen) {
	GroupDef childContainerElement = (GroupDef) element;
	String style = childContainerElement.getAdditionalAttribute(null,"faims_style");
	FormEntryCaption viewCaption = this.fem.getModel().getCaptionPrompt(childIndex);
	String viewName = viewCaption.getIndex().getReference().getNameLast();
	String viewRef = parentContainerGen != null ? parentContainerGen.getRef() + "/" + viewName : tabRef + "/" + viewName;
	FormIndex inputIndex = this.fem.getModel().incrementIndex(childIndex,true);
			
	ContainerGenerator containerGen = new ContainerGenerator(viewRef, style);
	if (parentContainerGen != null) {
		parentContainerGen.addViewContainer(containerGen);
	} else {
		tabGen.addViewContainer(containerGen);
	}
	
	for (int i = 0; i < childContainerElement.getChildren().size(); i++) {
		element = this.fem.getModel().getForm().getChild(inputIndex);
		
		if (element instanceof GroupDef) {
			parseContainer(element, inputIndex, tabRef, tabGen, containerGen);
		} else {
			parseInput(element, inputIndex, tabRef, tabGen, containerGen);
		}
		inputIndex = this.fem.getModel().incrementIndex(inputIndex, false);
	}
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
private void parseStyle(GroupDef tabGroupElement, FormIndex groupIndex) {
	FormIndex tabIndex = this.fem.getModel().incrementIndex(groupIndex,true);

	int tabs = tabGroupElement.getChildren().size();
	for (int i = 0; i < tabs; i++) {
		IFormElement element = this.fem.getModel().getForm().getChild(tabIndex);
		if (element instanceof GroupDef) {
			GroupDef tabElement = (GroupDef) element;
			FormEntryCaption tabCaption = this.fem.getModel().getCaptionPrompt(tabIndex);
			String styleName = tabCaption.getIndex().getReference().getNameLast();
			FormIndex inputIndex = this.fem.getModel().incrementIndex(tabIndex, true);
			Map<String, String> attributes = new HashMap<String, String>();
			for (int j = 0; j < tabElement.getChildren().size(); j++) {
				FormEntryPrompt input = this.fem.getModel().getQuestionPrompt(inputIndex);
				String attributeName = input.getIndex().getReference().getNameLast();
				String attributeValue = input.getQuestionText();
				attributes.put(attributeName, attributeValue);
				inputIndex = this.fem.getModel().incrementIndex(inputIndex, false);
			}
			styles.put(styleName, attributes);
		}

		tabIndex = this.fem.getModel().incrementIndex(tabIndex, false);
	}
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
/**
 * @return a HashMap of answers entered by the user for this set of widgets
 */
public LinkedHashMap<FormIndex, IAnswerData> getAnswers() {
    LinkedHashMap<FormIndex, IAnswerData> answers = new LinkedHashMap<FormIndex, IAnswerData>();
    Iterator<QuestionWidget> i = widgets.iterator();
    while (i.hasNext()) {
        /*
         * The FormEntryPrompt has the FormIndex, which is where the answer gets stored. The
         * QuestionWidget has the answer the user has entered.
         */
        QuestionWidget q = i.next();
        FormEntryPrompt p = q.getPrompt();
        answers.put(p.getIndex(), q.getAnswer());
    }

    return answers;
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
@Override
protected void onSaveInstanceState(Bundle outState) {
	super.onSaveInstanceState(outState);
	outState.putString(KEY_FORMPATH, mFormPath);
	FormController formController = Collect.getInstance()
			.getFormController();
	if (formController != null) {
		outState.putString(KEY_INSTANCEPATH, formController
				.getInstancePath().getAbsolutePath());
		outState.putString(KEY_XPATH,
				formController.getXPath(formController.getFormIndex()));
		FormIndex waiting = formController.getIndexWaitingForData();
		if (waiting != null) {
			outState.putString(KEY_XPATH_WAITING_FOR_DATA,
					formController.getXPath(waiting));
		}
		// save the instance to a temp path...
		nonblockingCreateSavePointData();
	}
	outState.putBoolean(NEWFORM, false);
	outState.putString(KEY_ERROR, mErrorMessage);
	outState.putBoolean(KEY_AUTO_SAVED, mAutoSaved);
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
/**
 * Attempt to save the answer(s) in the current screen to into the data
 * model.
 *
 * @param evaluateConstraints
 * @return false if any error occurs while saving (constraint violated,
 *         etc...), true otherwise.
 */
private boolean saveAnswersForCurrentScreen(boolean evaluateConstraints) {
	FormController formController = Collect.getInstance()
			.getFormController();
	// only try to save if the current event is a question or a field-list
	// group
	if (formController.currentPromptIsQuestion()) {
		LinkedHashMap<FormIndex, IAnswerData> answers = ((ODKView) mCurrentView)
				.getAnswers();
           try {
               FailedConstraint constraint = formController.saveAllScreenAnswers(answers, evaluateConstraints);
               if (constraint != null) {
                   createConstraintToast(constraint.index, constraint.status);
                   return false;
               }
           } catch (JavaRosaException e) {
               Log.e(t, e.getMessage(), e);
               createErrorDialog(e.getCause().getMessage(), DO_NOT_EXIT);
               return false;
           }
	}
	return true;
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
private String getCurrentPath() {
	FormController formController = Collect.getInstance().getFormController();
    FormIndex index = formController.getFormIndex();
    // move to enclosing group...
    index = formController.stepIndexOut(index);

    String path = "";
    while (index != null) {

        path =
        		formController.getCaptionPrompt(index).getLongText()
                    + " ("
                    + (formController.getCaptionPrompt(index)
                            .getMultiplicity() + 1) + ") > " + path;

        index = formController.stepIndexOut(index);
    }
    // return path?
    return path.substring(0, path.length() - 2);
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
private void insertContentValues(ContentValues cv, FormIndex index) {
	synchronized(mScrollActions) {
     try {
     	while ( !mScrollActions.isEmpty() ) {
     		ContentValues scv = mScrollActions.removeFirst();
     		mDb.insert(DATABASE_TABLE, null, scv);
     	}

     	if ( cv != null ) {
 	    	String idx = "";
 	    	if ( index != null ) {
 	    		idx = getXPath(index);
 	    	}
 	    	cv.put(QUESTION,idx);
     		mDb.insert(DATABASE_TABLE, null, cv);
     	}
     } catch (SQLiteConstraintException e) {
         System.err.println("Error: " + e.getMessage());
     }
	}
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
/**
 * Tests if the FormIndex 'index' is located inside a group that is marked as a "field-list"
 *
 * @param index
 * @return true if index is in a "field-list". False otherwise.
 */
private boolean indexIsInFieldList(FormIndex index) {
    int event = getEvent(index);
    if (event == FormEntryController.EVENT_QUESTION) {
        // caption[0..len-1]
        // caption[len-1] == the question itself
        // caption[len-2] == the first group it is contained in.
        FormEntryCaption[] captions = getCaptionHierarchy(index);
        if (captions.length < 2) {
            // no group
            return false;
        }
        FormEntryCaption grp = captions[captions.length - 2];
        return groupIsFieldList(grp.getIndex());
    } else if (event == FormEntryController.EVENT_GROUP) {
        return groupIsFieldList(index);
    } else if (event == FormEntryController.EVENT_REPEAT) {
    	return repeatIsFieldList(index);
    } else {
        // right now we only test Questions and Groups. Should we also handle
        // repeats?
        return false;
    }

}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
/**
 * If using a view like HierarchyView that doesn't support multi-question per screen, step over
 * the group represented by the FormIndex.
 *
 * @return
 */
private int stepOverGroup() {
    ArrayList<FormIndex> indicies = new ArrayList<FormIndex>();
    GroupDef gd =
        (GroupDef) mFormEntryController.getModel().getForm()
                .getChild(getFormIndex());
    FormIndex idxChild =
        mFormEntryController.getModel().incrementIndex(
            getFormIndex(), true); // descend into group
    for (int i = 0; i < gd.getChildren().size(); i++) {
        indicies.add(idxChild);
        // don't descend
        idxChild = mFormEntryController.getModel().incrementIndex(idxChild, false);
    }

    // jump to the end of the group
    mFormEntryController.jumpToIndex(indicies.get(indicies.size() - 1));
    return stepToNextEvent(STEP_OVER_GROUP);
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
/**
 * Creates a new entry model for the form with the appropriate
 * repeat structure
 *
 * @param form
 * @param repeatStructure The structure of repeats (the repeat signals which should
 * be sent during form entry)
 * @throws IllegalArgumentException If repeatStructure is not valid
 */
public FormEntryModel(FormDef form, int repeatStructure) {
    this.form = form;
    if(repeatStructure != REPEAT_STRUCTURE_LINEAR && repeatStructure != REPEAT_STRUCTURE_NON_LINEAR) {
    	throw new IllegalArgumentException(repeatStructure +": does not correspond to a valid repeat structure");
    }
    //We need to see if there are any guessed repeat counts in the form, which prevents
    //us from being able to use the new repeat style
    //Unfortunately this is probably (A) slow and (B) might overflow the stack. It's not the only
    //recursive walk of the form, though, so (B) isn't really relevant
    if(repeatStructure == REPEAT_STRUCTURE_NON_LINEAR && containsRepeatGuesses(form)) {
    	repeatStructure = REPEAT_STRUCTURE_LINEAR;
    }
    this.repeatStructure = repeatStructure;
    this.currentFormIndex = FormIndex.createBeginningOfFormIndex();
}
 

import org.javarosa.core.model.FormIndex; //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.FormIndex; //导入依赖的package包/类
/**
 * @param index
 * @return true if the element at the specified index is read only
 */
public boolean isIndexReadonly(FormIndex index) {
    if (index.isBeginningOfFormIndex() || index.isEndOfFormIndex())
        return true;

    TreeReference ref = form.getChildInstanceRef(index);
    boolean isAskNewRepeat = (getEvent(index) == FormEntryController.EVENT_PROMPT_NEW_REPEAT ||
    						  getEvent(index) == FormEntryController.EVENT_REPEAT_JUNCTURE);

    if (isAskNewRepeat) {
        return false;
    } else {
        TreeElement node = form.getMainInstance().resolveReference(ref);
        return !node.isEnabled();
    }
}
 

import org.javarosa.core.model.FormIndex; //导入依赖的package包/类
public boolean isIndexCompoundElement(FormIndex index) {
	//Can't be a subquestion if it's not even a question!
	if(getEvent(index) != FormEntryController.EVENT_QUESTION) {
		return false;
	}

	//get the set of nested groups that this question is in.
	FormEntryCaption[] captions = getCaptionHierarchy(index);
	for(FormEntryCaption caption : captions) {

		//If one of this question's parents is a group, this question is inside of it.
		if(isIndexCompoundContainer(caption.getIndex())) {
			return true;
		}
	}
	return false;
}