private FormEntryController importXFormsData(
String xFormsModelXmlAsString, String xFormsInstance) {
InputStream xFormsModelInputStream =
new ByteArrayInputStream(xFormsModelXmlAsString.getBytes(StandardCharsets.UTF_8));
FormDef formDef = XFormUtils.getFormFromInputStream(xFormsModelInputStream);
FormEntryModel formEntryModel = new FormEntryModel(formDef);
FormEntryController formEntryController = new FormEntryController(formEntryModel);
byte[] xFormsInstanceBytes = xFormsInstance.getBytes(StandardCharsets.UTF_8);
TreeElement modelRootElement =
formEntryController.getModel().getForm().getInstance().getRoot().deepCopy(true);
TreeElement instanceRootElement =
XFormParser.restoreDataModel(xFormsInstanceBytes, null).getRoot();
String instanceRootName = instanceRootElement.getName();
String modelRootName = modelRootElement.getName();
if (!instanceRootName.equals(modelRootName)) return null;
if (instanceRootElement.getMult() != TreeReference.DEFAULT_MUTLIPLICITY) return null;
populateDataModel(modelRootElement);
modelRootElement.populate(instanceRootElement, formEntryController.getModel().getForm());
populateFormEntryControllerModel(formEntryController, modelRootElement);
fixLanguageIusses(formEntryController);
return formEntryController;
}
private void fixLanguageIusses(FormEntryController formEntryController) {
// NOTE: this comment is from Collect's java rosa seference
// fix any language issues
// : http://bitbucket.org/javarosa/main/issue/5/itext-n-appearing-in-restored-instances
if (formEntryController.getModel().getLanguages() != null)
formEntryController
.getModel()
.getForm()
.localeChanged(
formEntryController.getModel().getLanguage(),
formEntryController.getModel().getForm().getLocalizer());
}
protected FieldSpecCollection createFieldSpecsFromXForms(FormEntryController formEntryController)
throws Exception {
FormDef formDef = formEntryController.getModel().getForm();
List<IFormElement> children = formDef.getChildren();
unGroupedUniqueId = 0;
return recursivelyConvertXFormsFieldsToFieldSpecs(formEntryController, children, false);
}
private FormEntryPrompt findQuestion(
FormEntryController formEntryContorller, TreeReference treeReferenceToMatch) {
formEntryContorller.jumpToIndex(FormIndex.createBeginningOfFormIndex());
int event;
while ((event = formEntryContorller.stepToNextEvent())
!= FormEntryController.EVENT_END_OF_FORM) {
if (event == FormEntryController.EVENT_QUESTION) {
FormEntryPrompt questionPrompt = formEntryContorller.getModel().getQuestionPrompt();
QuestionDef thisQuestionDef = questionPrompt.getQuestion();
TreeReference thisTreeReference = (TreeReference) thisQuestionDef.getBind().getReference();
if (thisTreeReference.equals(treeReferenceToMatch)) return questionPrompt;
}
}
return null;
}
private Bulletin createBulletin(
MartusCrypto signatureGenerator,
FormEntryController formEntryController,
FieldSpecCollection fieldsFromXForms)
throws Exception {
FieldSpecCollection allFields = new FieldSpecCollection();
FieldSpecCollection nonEmptytopSectionFieldSpecsFrom = getNonEmptyTopFieldSpecs();
allFields.addAll(nonEmptytopSectionFieldSpecsFrom);
allFields.addAll(fieldsFromXForms);
Bulletin bulletinLoadedFromXForms =
new Bulletin(signatureGenerator, allFields, new FieldSpecCollection());
transferAllStandardFields(bulletinLoadedFromXForms, nonEmptytopSectionFieldSpecsFrom);
resetFormEntryControllerIndex(formEntryController);
int event;
while ((event = formEntryController.stepToNextEvent())
!= FormEntryController.EVENT_END_OF_FORM) {
if (event == FormEntryController.EVENT_REPEAT)
convertXFormRepeatToGridData(
formEntryController, fieldsFromXForms, bulletinLoadedFromXForms);
if (event != FormEntryController.EVENT_QUESTION) continue;
FormEntryPrompt questionPrompt = formEntryController.getModel().getQuestionPrompt();
IAnswerData answer = questionPrompt.getAnswerValue();
if (answer == null) continue;
QuestionDef question = questionPrompt.getQuestion();
final int dataType = questionPrompt.getDataType();
TreeReference reference = (TreeReference) question.getBind().getReference();
FieldDataPacket fieldDataPacket = bulletinLoadedFromXForms.getFieldDataPacket();
String xFormsFieldTag = reference.getNameLast();
String answerAsString = getMartusAnswerStringFromQuestion(answer, question, dataType);
fieldDataPacket.set(xFormsFieldTag, answerAsString);
}
copyPrivateAttachmentProxies(bulletinLoadedFromXForms);
copyPublicAttachmentProxies(bulletinLoadedFromXForms);
return bulletinLoadedFromXForms;
}
private void fillGridRow(
FormEntryController formEntryController, GridRow gridRow, int columnIndex) throws Exception {
FormEntryPrompt currentQuestionPrompt = formEntryController.getModel().getQuestionPrompt();
IAnswerData currentAnswer = currentQuestionPrompt.getAnswerValue();
if (currentAnswer == null) return;
final int dataType = currentQuestionPrompt.getDataType();
QuestionDef questionDef = currentQuestionPrompt.getQuestion();
String answerAsString = getMartusAnswerStringFromQuestion(currentAnswer, questionDef, dataType);
gridRow.setCellText(columnIndex, answerAsString);
}
private void handleRepeat(
FormEntryController formEntryController,
FieldSpecCollection fieldsFromXForms,
GridData gridData)
throws Exception {
int event = returnToPreivousEventToAvoidConsumingEvent(formEntryController);
while ((event = formEntryController.stepToNextEvent())
!= FormEntryController.EVENT_END_OF_FORM) {
if (event == FormEntryController.EVENT_REPEAT) {
FormEntryModel formModel = formEntryController.getModel();
IFormElement element = formModel.getForm().getChild(formModel.getFormIndex());
if (element instanceof GroupDef) {
GridRow gridRow =
createGridRowWithData(
formEntryController,
gridData.getSpec(),
fieldsFromXForms.getAllReusableChoiceLists());
gridData.addRow(gridRow);
}
}
if (hasNoMoreUserFilledRepeats(event)) return;
}
}
private void convertXFormRepeatToGridData(
FormEntryController formEntryController,
FieldSpecCollection fieldsFromXForms,
Bulletin bulletinLoadedFromXForms)
throws Exception {
FormEntryModel formModel = formEntryController.getModel();
IFormElement repeatElement = formModel.getForm().getChild(formModel.getFormIndex());
GroupDef castedRepeatDef = (GroupDef) repeatElement;
TreeReference repeatTreeReference = (TreeReference) castedRepeatDef.getBind().getReference();
String gridTag = createGridTag(repeatTreeReference);
GridFieldSpec foundGridFieldSpec = (GridFieldSpec) fieldsFromXForms.findBytag(gridTag);
foundGridFieldSpec.setLabel(getNonNullLabel(castedRepeatDef));
PoolOfReusableChoicesLists allReusableChoiceLists =
fieldsFromXForms.getAllReusableChoiceLists();
GridData gridData = new GridData(foundGridFieldSpec, allReusableChoiceLists);
handleRepeat(formEntryController, fieldsFromXForms, gridData);
bulletinLoadedFromXForms.set(gridTag, gridData.getXmlRepresentation());
}
private GridRow createGridRowWithData(
FormEntryController formEntryController,
GridFieldSpec gridFieldSpec,
PoolOfReusableChoicesLists allReusableChoiceLists)
throws Exception {
GridRow gridRow = new GridRow(gridFieldSpec, allReusableChoiceLists);
int columnIndex = 0;
int event;
while ((event = formEntryController.stepToNextEvent())
!= FormEntryController.EVENT_END_OF_FORM) {
if (event == FormEntryController.EVENT_REPEAT || hasNoMoreUserFilledRepeats(event)) {
returnToPreivousEventToAvoidConsumingEvent(formEntryController);
return gridRow;
}
if (event == FormEntryController.EVENT_QUESTION) {
fillGridRow(formEntryController, gridRow, columnIndex);
++columnIndex;
}
}
return gridRow;
}
public boolean importData(File instanceFile, FormEntryController fec) {
publishProgress(Collect.getInstance().getString(R.string.survey_loading_reading_data_message));
// convert files into a byte array
byte[] fileBytes = FileUtils.getFileAsBytes(instanceFile);
// get the root of the saved and template instances
TreeElement savedRoot = XFormParser.restoreDataModel(fileBytes, null).getRoot();
TreeElement templateRoot = fec.getModel().getForm().getInstance().getRoot().deepCopy(true);
// weak check for matching forms
if (!savedRoot.getName().equals(templateRoot.getName()) || savedRoot.getMult() != 0) {
Log.e(t, "Saved form instance does not match template form definition");
return false;
} else {
// populate the data model
TreeReference tr = TreeReference.rootRef();
tr.add(templateRoot.getName(), TreeReference.INDEX_UNBOUND);
// Here we set the Collect's implementation of the IAnswerResolver.
// We set it back to the default after select choices have been populated.
XFormParser.setAnswerResolver(new ExternalAnswerResolver());
templateRoot.populate(savedRoot, fec.getModel().getForm());
XFormParser.setAnswerResolver(new DefaultAnswerResolver());
// populated model to current form
fec.getModel().getForm().getInstance().setRoot(templateRoot);
// fix any language issues
// :
// http://bitbucket.org/javarosa/main/issue/5/itext-n-appearing-in-restored-instances
if (fec.getModel().getLanguages() != null) {
fec.getModel().getForm()
.localeChanged(fec.getModel().getLanguage(), fec.getModel().getForm().getLocalizer());
}
return true;
}
}
private void populateFormEntryControllerModel(
FormEntryController formEntryController, TreeElement modelRoot) {
formEntryController.getModel().getForm().getInstance().setRoot(modelRoot);
}
private void resetFormEntryControllerIndex(FormEntryController formEntryController) {
while (formEntryController.stepToPreviousEvent() != FormEntryController.EVENT_BEGINNING_OF_FORM)
;
}
private int returnToPreivousEventToAvoidConsumingEvent(FormEntryController formEntryController) {
return formEntryController.stepToPreviousEvent();
}