Examples with QuestionDef org.javarosa.core.model.QuestionDef used on opensource projects

Example 16 with QuestionDef

use of org.javarosa.core.model.QuestionDef in project javarosa by opendatakit.

the class FormEntryPrompt method getSelectChoices.

public List<SelectChoice> getSelectChoices() {
    QuestionDef q = getQuestion();
    ItemsetBinding itemset = q.getDynamicChoices();
    if (itemset != null) {
        if (!dynamicChoicesPopulated) {
            form.populateDynamicChoices(itemset, mTreeElement.getRef());
            dynamicChoicesPopulated = true;
        }
        return itemset.getChoices();
    } else {
        // static choices
        return q.getChoices();
    }
}

Example 17 with QuestionDef

use of org.javarosa.core.model.QuestionDef in project collect by opendatakit.

the class ExternalAnswerResolver method resolveAnswer.

@Override
public IAnswerData resolveAnswer(String textVal, TreeElement treeElement, FormDef formDef) {
    QuestionDef questionDef = XFormParser.ghettoGetQuestionDef(treeElement.getDataType(), formDef, treeElement.getRef());
    if (questionDef != null && (questionDef.getControlType() == Constants.CONTROL_SELECT_ONE || questionDef.getControlType() == Constants.CONTROL_SELECT_MULTI)) {
        boolean containsSearchExpression = false;
        XPathFuncExpr xpathExpression = null;
        try {
            xpathExpression = ExternalDataUtil.getSearchXPathExpression(questionDef.getAppearanceAttr());
        } catch (Exception e) {
            Timber.e(e);
            // there is a search expression, but has syntax errors
            containsSearchExpression = true;
        }
        if (xpathExpression != null || containsSearchExpression) {
            // that means that we have dynamic selects
            // read the static choices from the options sheet
            List<SelectChoice> staticChoices = questionDef.getChoices();
            for (int index = 0; index < staticChoices.size(); index++) {
                SelectChoice selectChoice = staticChoices.get(index);
                String selectChoiceValue = selectChoice.getValue();
                if (ExternalDataUtil.isAnInteger(selectChoiceValue)) {
                    Selection selection = selectChoice.selection();
                    switch(questionDef.getControlType()) {
                        case Constants.CONTROL_SELECT_ONE:
                            {
                                if (selectChoiceValue.equals(textVal)) {
                                    // we just need to make sure, so we will override that.
                                    if (questionDef.getControlType() == Constants.CONTROL_SELECT_ONE) {
                                        // we don't need another, just return the static choice.
                                        return new SelectOneData(selection);
                                    }
                                }
                                break;
                            }
                        case Constants.CONTROL_SELECT_MULTI:
                            {
                                // we should search in a potential comma-separated string of
                                // values for a match
                                // copied from org.javarosa.xform.util.XFormAnswerDataParser
                                // .getSelections()
                                List<String> textValues = DateUtils.split(textVal, XFormAnswerDataSerializer.DELIMITER, true);
                                if (textValues.contains(textVal)) {
                                    // choice.
                                    if (selectChoiceValue.equals(textVal)) {
                                        // this means that the user selected ONLY the static
                                        // answer, so just return that
                                        List<Selection> customSelections = new ArrayList<Selection>();
                                        customSelections.add(selection);
                                        return new SelectMultiData(customSelections);
                                    } else {
                                    // we will ignore it for now since we will return that
                                    // selection together with the dynamic ones.
                                    }
                                }
                                break;
                            }
                        default:
                            {
                                // There is a bug if we get here, so let's throw an Exception
                                throw createBugRuntimeException(treeElement, textVal);
                            }
                    }
                } else {
                    switch(questionDef.getControlType()) {
                        case Constants.CONTROL_SELECT_ONE:
                            {
                                // the default implementation will search for the "textVal"
                                // (saved answer) inside the static choices.
                                // Since we know that there isn't such, we just wrap the textVal
                                // in a virtual choice in order to
                                // create a SelectOneData object to be used as the IAnswer to the
                                // TreeElement.
                                // (the caller of this function is searching for such an answer
                                // to populate the in-memory model.)
                                SelectChoice customSelectChoice = new SelectChoice(textVal, textVal, false);
                                customSelectChoice.setIndex(index);
                                return new SelectOneData(customSelectChoice.selection());
                            }
                        case Constants.CONTROL_SELECT_MULTI:
                            {
                                // we should create multiple selections and add them to the pile
                                List<SelectChoice> customSelectChoices = createCustomSelectChoices(textVal);
                                List<Selection> customSelections = new ArrayList<Selection>();
                                for (SelectChoice customSelectChoice : customSelectChoices) {
                                    customSelections.add(customSelectChoice.selection());
                                }
                                return new SelectMultiData(customSelections);
                            }
                        default:
                            {
                                // There is a bug if we get here, so let's throw an Exception
                                throw createBugRuntimeException(treeElement, textVal);
                            }
                    }
                }
            }
            // if we get there then that means that we have a bug
            throw createBugRuntimeException(treeElement, textVal);
        }
    }
    // default behavior matches original behavior (for static selects, etc.)
    return super.resolveAnswer(textVal, treeElement, formDef);
}

Example 18 with QuestionDef

use of org.javarosa.core.model.QuestionDef in project javarosa by opendatakit.

the class FormInstanceParser method verifyControlBindings.

private void verifyControlBindings(IFormElement fe, FormInstance instance, List<String> errors) {
    // throws XmlPullParserException {
    if (fe.getChildren() == null)
        return;
    for (int i = 0; i < fe.getChildren().size(); i++) {
        IFormElement child = fe.getChildren().get(i);
        IDataReference ref = null;
        String type = null;
        if (child instanceof GroupDef) {
            ref = child.getBind();
            type = (((GroupDef) child).getRepeat() ? "Repeat" : "Group");
        } else if (child instanceof QuestionDef) {
            ref = child.getBind();
            type = "Question";
        }
        TreeReference tref = FormInstance.unpackReference(ref);
        if (child instanceof QuestionDef && tref.size() == 0) {
            // group can bind to '/'; repeat can't, but that's checked above
            reporter.warning(XFormParserReporter.TYPE_INVALID_STRUCTURE, "Cannot bind control to '/'", null);
        } else {
            List<TreeReference> nodes = new EvaluationContext(instance).expandReference(tref, true);
            if (nodes.size() == 0) {
                String error = type + " bound to non-existent node: [" + tref.toString() + "]";
                reporter.error(error);
                errors.add(error);
            }
        // we can't check whether questions map to the right kind of node ('data' node vs. 'sub-tree' node) as that depends
        // on the question's data type, which we don't know yet
        }
        verifyControlBindings(child, instance, errors);
    }
}

Example 19 with QuestionDef

use of org.javarosa.core.model.QuestionDef in project javarosa by opendatakit.

the class FormEntryModel method getCaptionHierarchy.

/**
 * 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);
}

Example 20 with QuestionDef

use of org.javarosa.core.model.QuestionDef in project javarosa by opendatakit.

the class FormEntryController method answerQuestion.

/**
 * Attempts to save the answer at the specified FormIndex into the
 * datamodel.
 *
 * @param index
 * @param data
 * @return OK if save was successful, error if a constraint was violated.
 */
public int answerQuestion(FormIndex index, IAnswerData data, boolean midSurvey) {
    QuestionDef q = model.getQuestionPrompt(index).getQuestion();
    if (model.getEvent(index) != FormEntryController.EVENT_QUESTION) {
        throw new RuntimeException("Non-Question object at the form index.");
    }
    TreeElement element = model.getTreeElement(index);
    boolean complexQuestion = q.isComplex();
    boolean hasConstraints = false;
    if (element.isRequired() && data == null) {
        return ANSWER_REQUIRED_BUT_EMPTY;
    } else if (!complexQuestion && !model.getForm().evaluateConstraint(index.getReference(), data)) {
        return ANSWER_CONSTRAINT_VIOLATED;
    } else if (!complexQuestion) {
        commitAnswer(element, index, data, midSurvey);
        return ANSWER_OK;
    } else if (complexQuestion && hasConstraints) {
        // TODO: itemsets: don't currently evaluate constraints for itemset/copy -- haven't figured out how handle it yet
        throw new RuntimeException("Itemsets do not currently evaluate constraints. Your constraint will not work, please remove it before proceeding.");
    } else {
        try {
            model.getForm().copyItemsetAnswer(q, element, data, midSurvey);
        } catch (InvalidReferenceException ire) {
            Std.printStack(ire);
            throw new RuntimeException("Invalid reference while copying itemset answer: " + ire.getMessage());
        }
        return ANSWER_OK;
    }
}