protected virtual void OnChildResponseChanged(ISurveyItem item)
{
var handler = ChildResponseChanged;
if (handler != null) {
handler (this, new EventArgs<ISurveyItem> (item));
}
}
public QuestionContainerView(ISurveyItem item, View questionView, SurveyPageAppearance appearance)
{
var headerView = new QuestionHeaderView (item, appearance) {
VerticalOptions = LayoutOptions.Start
};
var inputStackLayout = new StackLayout () {
Style = appearance.QuestionContainerLayoutStyle,
Children = {
StandardViews.CreateSeparator (appearance.ItemSeperatorStyle),
questionView,
StandardViews.CreateSeparator (appearance.ItemSeperatorStyle)
}
};
var stackLayout = new StackLayout {
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = {
headerView,
inputStackLayout,
}
};
if (!String.IsNullOrWhiteSpace (item.Footnote)) {
var footerView = new QuestionFooterView (item, appearance);
stackLayout.Children.Add (footerView);
}
Content = stackLayout;
}
private View CreateView(ISurveyItem item)
{
switch (item.ItemType)
{
case GenericSurveyViewType.DatePicker:
return(CreateDatePicker(item as DatePickerItem));
case GenericSurveyViewType.Input:
return(CreateInput(item as InputItem));
case GenericSurveyViewType.Picker:
return(CreatePicker(item as PickerItem));
case GenericSurveyViewType.Slider:
return(CreateSlider(item as SliderItem));
case GenericSurveyViewType.Switch:
return(CreateSwitch(item as SwitchItem));
case GenericSurveyViewType.TimePicker:
return(CreateTimePicker(item as TimePickerItem));
default:
throw new NotImplementedException("Item type : " + item.ItemType + " is not implemented");
}
}
public QuestionHeaderView(ISurveyItem question, SurveyPageAppearance appearance)
{
Content = new StackLayout {
Style = appearance.QuestionHeaderLayoutStyle,
Children = {
new Label {
Text = question.Caption,
VerticalOptions = LayoutOptions.FillAndExpand,
Style = appearance.QuestionHeaderLabelStyle
}
}
};
}
public QuestionFooterView(ISurveyItem question, SurveyPageAppearance appearance)
{
Content = new StackLayout {
Style = appearance.QuestionFooterLayoutStyle,
Children = {
new Label {
Text = question.Footnote,
VerticalOptions = LayoutOptions.Start,
Style = appearance.QuestionFooterLabelStyle
}
}
};
}
public virtual Page CreatePageForItem(ISurveyItem item, SurveyPageAppearance appearance)
{
Page page = null;
if (item is ISurveySubpage) {
page = new StandardSurveySubpage ();
} else if (item is ISurveyPage) {
page = new StandardSurveyPage ();
}
if (page != null) {
page.BindingContext = item;
}
return page;
}
public virtual View CreateViewForItem(ISurveyItem item, SurveyPageAppearance appearance, bool wrapInContainer)
{
View view = null;
if (item is DateQuestion) {
view = new DateQuestionInputView ((DateQuestion)item, appearance);
} else if (item is PickerOptionQuestion) {
view = new PickerOptionQuestionInputView ((OptionQuestion)item, appearance);
} else if (item is RadioOptionQuestion) {
view = new RadioGroupOptionQuestionInputView ((OptionQuestion)item, appearance);
} else if (item is NumericEntryQuantityQuestion) {
view = new NumericEntryQuantityQuestionInputView ((QuantityQuestion)item, appearance);
} else if (item is CheckboxBooleanQuestion) {
view = new CheckboxBooleanQuestionInputView ((BooleanQuestion)item, appearance);
} else if (item is InlineGroupQuestion) {
view = new InlineGroupQuestionInputView ((InlineGroupQuestion)item, appearance);
} else if (item is SubpageGroupQuestion) {
view = new SubpageGroupQuestionInputView ((SubpageGroupQuestion)item, appearance);
} else if (item is FreeTextQuestion) {
view = new FreeTextQuestionInputView ((FreeTextQuestion)item, appearance);
} else if (item is SliderQuantityQuestion) {
view = new SliderQuantityQuestionInputView ((SliderQuantityQuestion)item, appearance);
} else if (item is PageHeader) {
view = new PageHeaderView ((PageHeader)item, appearance);
}
var question = item as IQuestion;
if (question != null) {
view = new QuestionInputViewContainer (question, view, appearance);
}
if (view != null && wrapInContainer) {
view = new QuestionContainerView (item, view, appearance);
}
return view;
}
protected virtual View BuildItem(ISurveyItem item, SurveyPageAppearance appearance)
{
var wrapInContainer = !(item is IStaticSurveyItem);
return SurveyItemViewFactory.Default.CreateViewForItem (item, appearance, wrapInContainer);
}
protected override void OnChildResponseChanged(ISurveyItem item)
{
base.OnChildResponseChanged (item);
_submitPageCommand.RaiseCanExecuteChanged ();
}
public virtual void NotifyChildResponseChanged(ISurveyItem item)
{
OnChildResponseChanged (item);
}
protected override void OnChildResponseChanged(ISurveyItem item)
{
base.OnChildResponseChanged (item);
NotifySummaryTextChanged ();
}
