protected IAnswerData getCurrentAnswer() {
IAnswerData current = mPrompt.getAnswerValue();
if (current == null) {
return null;
}
return getTemplate().cast(current.uncast());
}
public static Object getValue(String xpath, TreeReference context, FormInstance tree) {
TreeElement node = tree.resolveReference(ref(xpath).contextualize(context));
if (node == null) {
throw new RuntimeException(
"Could not find node [" + xpath + "] when parsing saved instance!");
}
if (node.isRelevant()) {
IAnswerData val = node.getValue();
return (val == null ? null : val.getValue());
} else {
return null;
}
}
private Integer getIntegerAnswerValue() {
IAnswerData dataHolder = mPrompt.getAnswerValue();
Integer d = null;
if (dataHolder != null) {
Object dataValue = dataHolder.getValue();
if (dataValue != null) {
if (dataValue instanceof Double) {
d = Integer.valueOf(((Double) dataValue).intValue());
} else {
d = (Integer) dataValue;
}
}
}
return d;
}
private Double getDoubleAnswerValue() {
IAnswerData dataHolder = mPrompt.getAnswerValue();
Double d = null;
if (dataHolder != null) {
Object dataValue = dataHolder.getValue();
if (dataValue != null) {
if (dataValue instanceof Integer) {
d = Double.valueOf(((Integer) dataValue).intValue());
} else {
d = (Double) dataValue;
}
}
}
return d;
}
private void attachControlsToInstanceData(TreeElement node) {
for (int i = 0; i < node.getNumChildren(); i++) {
attachControlsToInstanceData(node.getChildAt(i));
}
IAnswerData val = node.getValue();
Vector selections = null;
if (val instanceof SelectOneData) {
selections = new Vector();
selections.addElement(val.getValue());
} else if (val instanceof SelectMultiData) {
selections = (Vector) val.getValue();
}
if (selections != null) {
QuestionDef q = findQuestionByRef(node.getRef(), this);
if (q == null) {
throw new RuntimeException(
"FormDef.attachControlsToInstanceData: can't find question to link");
}
if (q.getDynamicChoices() != null) {
// droos: i think we should do something like initializing the itemset here, so that default
// answers
// can be linked to the selectchoices. however, there are complications. for example, the
// itemset might
// not be ready to be evaluated at form initialization; it may require certain questions to
// be answered
// first. e.g., if we evaluate an itemset and it has no choices, the xform engine will throw
// an error
// itemset TODO
}
for (int i = 0; i < selections.size(); i++) {
Selection s = (Selection) selections.elementAt(i);
s.attachChoice(q);
}
}
}
public String getMartusAnswerStringFromQuestion(
IAnswerData answer, QuestionDef question, final int dataType) throws Exception {
String answerAsString = answer.getDisplayText();
if (dataType == Constants.DATATYPE_DATE) {
answerAsString = formatDateToMartusDateFormat(answerAsString);
} else if (shouldTreatSingleItemChoiceListAsBooleanField(dataType, question)
&& answerAsString.isEmpty()) {
answerAsString = FieldSpec.FALSESTRING;
} else if (dataType == Constants.DATATYPE_CHOICE) {
List<SelectChoice> list = question.getChoices();
for (int i = 0; i < list.size(); ++i) {
SelectChoice choice = list.get(i);
if (choice.getValue().equals(answerAsString)) {
answerAsString = choice.getLabelInnerText();
break;
}
}
}
return answerAsString;
}
public void copyItemsetAnswer(QuestionDef q, TreeElement targetNode, IAnswerData data)
throws InvalidReferenceException {
ItemsetBinding itemset = q.getDynamicChoices();
TreeReference targetRef = targetNode.getRef();
TreeReference destRef = itemset.getDestRef().contextualize(targetRef);
Vector<Selection> selections = null;
Vector<String> selectedValues = new Vector<String>();
if (data instanceof SelectMultiData) {
selections = (Vector<Selection>) data.getValue();
} else if (data instanceof SelectOneData) {
selections = new Vector<Selection>();
selections.addElement((Selection) data.getValue());
}
if (itemset.valueRef != null) {
for (int i = 0; i < selections.size(); i++) {
selectedValues.addElement(selections.elementAt(i).choice.getValue());
}
}
// delete existing dest nodes that are not in the answer selection
Hashtable<String, TreeElement> existingValues = new Hashtable<String, TreeElement>();
Vector<TreeReference> existingNodes = getInstance().expandReference(destRef);
for (int i = 0; i < existingNodes.size(); i++) {
TreeElement node = getInstance().resolveReference(existingNodes.elementAt(i));
if (itemset.valueRef != null) {
String value =
itemset
.getRelativeValue()
.evalReadable(
this.getInstance(), new EvaluationContext(exprEvalContext, node.getRef()));
if (selectedValues.contains(value)) {
existingValues.put(value, node); // cache node if in selection and already exists
}
}
// delete from target
targetNode.removeChild(node);
}
// copy in nodes for new answer; preserve ordering in answer
for (int i = 0; i < selections.size(); i++) {
Selection s = selections.elementAt(i);
SelectChoice ch = s.choice;
TreeElement cachedNode = null;
if (itemset.valueRef != null) {
String value = ch.getValue();
if (existingValues.containsKey(value)) {
cachedNode = existingValues.get(value);
}
}
if (cachedNode != null) {
cachedNode.setMult(i);
targetNode.addChild(cachedNode);
} else {
getInstance().copyItemsetNode(ch.copyNode, destRef, this);
}
}
triggerTriggerables(
destRef); // trigger conditions that depend on the creation of these new nodes
initializeTriggerables(destRef); // initialize conditions for the node (and sub-nodes)
// not 100% sure this will work since destRef is ambiguous as the last step, but i think it's
// supposed to work
}
@SuppressWarnings("unchecked")
public GridMultiWidget(Context context, FormEntryPrompt prompt, int numColumns) {
super(context, prompt);
mItems = prompt.getSelectChoices();
mPrompt = prompt;
selected = new boolean[mItems.size()];
choices = new String[mItems.size()];
gridview = new GridView(context);
imageViews = new ImageView[mItems.size()];
maxColumnWidth = -1;
this.numColumns = numColumns;
for (int i = 0; i < mItems.size(); i++) {
imageViews[i] = new ImageView(getContext());
}
// Build view
for (int i = 0; i < mItems.size(); i++) {
SelectChoice sc = mItems.get(i);
// Read the image sizes and set maxColumnWidth. This allows us to make sure all of our
// columns are going to fit
String imageURI =
prompt.getSpecialFormSelectChoiceText(sc, FormEntryCaption.TEXT_FORM_IMAGE);
if (imageURI != null) {
choices[i] = imageURI;
String imageFilename;
try {
imageFilename = ReferenceManager._().DeriveReference(imageURI).getLocalURI();
final File imageFile = new File(imageFilename);
if (imageFile.exists()) {
Display display =
((WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE))
.getDefaultDisplay();
int screenWidth = display.getWidth();
int screenHeight = display.getHeight();
Bitmap b =
FileUtils
.getBitmapScaledToDisplay(imageFile, screenHeight, screenWidth);
if (b != null) {
if (b.getWidth() > maxColumnWidth) {
maxColumnWidth = b.getWidth();
}
}
}
} catch (InvalidReferenceException e) {
Log.e("GridWidget", "image invalid reference exception");
e.printStackTrace();
}
} else {
choices[i] = prompt.getSelectChoiceText(sc);
}
}
// Use the custom image adapter and initialize the grid view
ImageAdapter ia = new ImageAdapter(getContext(), choices);
gridview.setAdapter(ia);
gridview.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
if (selected[position]) {
selected[position] = false;
imageViews[position].setBackgroundColor(Color.WHITE);
Collect.getInstance().getActivityLogger().logInstanceAction(this, "onItemClick.deselect",
mItems.get(position).getValue(), mPrompt.getIndex());
} else {
selected[position] = true;
imageViews[position].setBackgroundColor(Color.rgb(orangeRedVal, orangeGreenVal,
orangeBlueVal));
Collect.getInstance().getActivityLogger().logInstanceAction(this, "onItemClick.select",
mItems.get(position).getValue(), mPrompt.getIndex());
}
}
});
// Read the screen dimensions and fit the grid view to them. It is important that the grid
// view
// knows how far out it can stretch.
Display display =
((WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE))
.getDefaultDisplay();
int screenWidth = display.getWidth();
int screenHeight = display.getHeight();
GridView.LayoutParams params = new GridView.LayoutParams(screenWidth - 5, screenHeight - 5);
gridview.setLayoutParams(params);
// Use the user's choice for num columns, otherwise automatically decide.
if (numColumns > 0) {
gridview.setNumColumns(numColumns);
} else {
gridview.setNumColumns(GridView.AUTO_FIT);
}
gridview.setColumnWidth(maxColumnWidth);
gridview.setHorizontalSpacing(2);
gridview.setVerticalSpacing(2);
gridview.setGravity(Gravity.LEFT);
gridview.setStretchMode(GridView.NO_STRETCH);
// Fill in answer
IAnswerData answer = prompt.getAnswerValue();
Vector<Selection> ve;
if ((answer == null) || (answer.getValue() == null)) {
ve = new Vector<Selection>();
} else {
ve = (Vector<Selection>) answer.getValue();
}
for (int i = 0; i < choices.length; ++i) {
String value = mItems.get(i).getValue();
boolean found = false;
for (Selection s : ve) {
if (value.equals(s.getValue())) {
found = true;
break;
}
}
selected[i] = found;
if (selected[i]) {
imageViews[i].setBackgroundColor(Color.rgb(orangeRedVal, orangeGreenVal,
orangeBlueVal));
} else {
imageViews[i].setBackgroundColor(Color.WHITE);
}
}
addView(gridview);
}