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;
}
public PageHeaderView(PageHeader header, SurveyPageAppearance appearance)
{
var stackLayout = new StackLayout {
Style = appearance.PageHeaderContentLayoutStyle
};
if (!String.IsNullOrEmpty (header.Caption)) {
var captionLabel = new Label {
Text = header.Caption,
Style = appearance.PageHeaderCaptionLabelStyle
};
stackLayout.Children.Add (captionLabel);
}
if (!String.IsNullOrEmpty (header.Text)) {
var textLabel = new Label {
Text = header.Text,
Style = appearance.PageHeaderTextLabelStyle
};
stackLayout.Children.Add (textLabel);
}
Content = new StackLayout {
Style = appearance.PageHeaderLayoutStyle,
Children = {
stackLayout,
StandardViews.CreateSeparator (appearance.PageHeaderSeperatorStyle)
}
};
}
public NumericEntryQuantityQuestionInputView(QuantityQuestion question, SurveyPageAppearance appearance)
: base(appearance)
{
_question = question;
var stackLayout = new StackLayout {
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Orientation = StackOrientation.Horizontal,
Spacing = 10
};
_entry = BuildValueEntry (question);
stackLayout.Children.Add (_entry);
if (question.HasUnitOptions) {
_picker = BuildUnitPicker (question);
stackLayout.Children.Add (_picker);
}
SetUIFromResponse ();
// set event handlers AFTER populating
_question.PropertyChanged += Question_PropertyChanged;
_entry.TextChanged += Entry_TextChanged;
if (_picker != null) {
_picker.PropertyChanged += Picker_PropertyChanged;
}
Content = stackLayout;
}
public QuestionInputViewContainer(IQuestion question, View view, SurveyPageAppearance appearance)
{
view.HorizontalOptions = LayoutOptions.FillAndExpand;
var errorLabel = new Label {
Style = appearance.QuestionErrorLabelStyle,
Text = String.Empty,
IsVisible = false,
HorizontalOptions = LayoutOptions.FillAndExpand
};
question.PropertyChanged += (sender, e) => {
if (e.PropertyName == "HasError") {
if (question.HasError) {
errorLabel.Text = question.ErrorMessage;
errorLabel.IsVisible = true;
} else {
errorLabel.IsVisible = false;
}
}
};
Content = new StackLayout {
Orientation = StackOrientation.Vertical,
Style = appearance.QuestionInputViewContainerLayoutStyle,
Children = {
view,
errorLabel
}
};
}
public CustomRadioGroup(SurveyPageAppearance appearance)
{
_appearance = appearance;
UnselectedSource = _appearance.UnselectedOptionImageSource;
SelectedSource = _appearance.SelectedOptionImageSource;
}
public FreeTextQuestionInputView(FreeTextQuestion question, SurveyPageAppearance appearance)
: base(appearance)
{
var entry = new GBEntry ();
entry.HorizontalOptions = LayoutOptions.FillAndExpand;
entry.VerticalOptions = LayoutOptions.FillAndExpand;
entry.Placeholder = question.Text;
entry.BindingContext = question;
entry.SetBinding (Entry.TextProperty, new Binding ("Response", BindingMode.TwoWay));
Content = entry;
}
public DateQuestionInputView(DateQuestion question, SurveyPageAppearance appearance)
: base(appearance)
{
var picker = new ExtendedDatePicker ();
picker.HorizontalOptions = LayoutOptions.StartAndExpand;
picker.VerticalOptions = LayoutOptions.CenterAndExpand;
picker.PlaceholderText = question.Text;
picker.BindingContext = question;
picker.SetBinding (ExtendedDatePicker.ValueProperty, new Binding ("Response", BindingMode.TwoWay));
Content = picker;
}
public PickerOptionQuestionInputView(OptionQuestion question, SurveyPageAppearance appearance)
: base(appearance)
{
var picker = new OptionValuePicker ();
picker.HorizontalOptions = LayoutOptions.StartAndExpand;
picker.VerticalOptions = LayoutOptions.CenterAndExpand;
picker.PlaceholderText = question.Text;
picker.BindingContext = question;
picker.ItemsSource = question.OptionValues;
picker.SetBinding (OptionValuePicker.ValueProperty, new Binding ("SelectedOption", BindingMode.TwoWay));
Content = picker;
}
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 RadioGroupOptionQuestionInputView(OptionQuestion question, SurveyPageAppearance appearance)
: base(appearance)
{
var radioGroup = new CustomRadioGroup (appearance);
radioGroup.HorizontalOptions = LayoutOptions.FillAndExpand;
radioGroup.VerticalOptions = LayoutOptions.Fill;
radioGroup.BindingContext = question;
radioGroup.ItemsSource = question.OptionValues;
radioGroup.SetBinding (RadioGroup.SelectedItemProperty, new Binding ("SelectedOption", BindingMode.TwoWay));
HeightRequest = -1;
Content = radioGroup;
}
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 CheckboxBooleanQuestionInputView(BooleanQuestion question, SurveyPageAppearance appearance)
: base(appearance)
{
var option = new ToggleOption ();
option.HorizontalOptions = LayoutOptions.FillAndExpand;
option.VerticalOptions = LayoutOptions.CenterAndExpand;
option.UnselectedSource = appearance.UnselectedCheckboxImageSource;
option.SelectedSource = appearance.SelectedCheckboxImageSource;
option.BindingContext = question;
option.SetBinding (Option.TextProperty, new Binding ("Text", BindingMode.OneWay));
option.SetBinding (Option.IsSelectedProperty, new Binding ("Response", BindingMode.TwoWay));
Content = option;
}
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 SurveyPageItemsView(SurveyPageAppearance appearance)
{
_appearance = appearance;
VerticalOptions = LayoutOptions.FillAndExpand;
Style = appearance.PageItemsViewStyle;
_stackLayout = new StackLayout {
Style = appearance.PageItemsLayoutStyle
};
var scrollView = new ScrollView ();
scrollView.Content = _stackLayout;
Content = scrollView;
}
public SubpageGroupQuestionInputView(SubpageGroupQuestion question, SurveyPageAppearance appearance)
: base(appearance)
{
_question = question;
var stackLayout = new StackLayout {
Orientation = StackOrientation.Horizontal,
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.FillAndExpand
};
var captionLabel = new Label {
HorizontalOptions = LayoutOptions.StartAndExpand,
VerticalOptions = LayoutOptions.Center,
Text = question.SummaryText
};
question.PropertyChanged += (sender, e) => {
if (e.PropertyName == "SummaryText") {
captionLabel.Text = question.SummaryText;
}
};
stackLayout.Children.Add (captionLabel);
var disclosureImage = new Image {
Source = appearance.DisclosureImageSource,
HorizontalOptions = LayoutOptions.End,
VerticalOptions = LayoutOptions.CenterAndExpand
};
stackLayout.Children.Add (disclosureImage);
Content = stackLayout;
var tapGestureRecognizer = new TapGestureRecognizer ();
tapGestureRecognizer.Tapped += (sender, e) => OnTapped ();
GestureRecognizers.Add (tapGestureRecognizer);
}
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;
}
public SliderQuantityQuestionInputView(SliderQuantityQuestion question, SurveyPageAppearance appearance)
: base(appearance)
{
_question = question;
var vStack = new StackLayout {
Orientation = StackOrientation.Vertical,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.Fill
};
var valueStack = new StackLayout {
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.Fill,
IsVisible = false
};
if (question.IsValueVisible) {
_valueLabel = BuildValueLabel (question);
valueStack.Children.Add (_valueLabel);
valueStack.IsVisible = true;
UpdateValueLabel ();
}
if (question.HasUnitOptions) {
_picker = BuildUnitPicker (question);
valueStack.Children.Add (_picker);
valueStack.IsVisible = true;
}
var sliderStack = new StackLayout {
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.Fill
};
_labelledSlider = new LabelledSlider {
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.Center
};
if (question.Labels != null && question.Labels.Any ()) {
_labelledSlider.Labels.Items = question.Labels;
} else {
_labelledSlider.Labels.IsVisible = false;
}
sliderStack.Children.Add (_labelledSlider);
vStack.Children.Add (valueStack);
vStack.Children.Add (sliderStack);
UpdateUI ();
// set event handlers AFTER populating
_question.PropertyChanged += Question_PropertyChanged;
_labelledSlider.Slider.PropertyChanged += Slider_PropertyChanged;
if (_picker != null) {
_picker.PropertyChanged += Picker_PropertyChanged;
}
HeightRequest = -1;
Content = vStack;
}
public QuestionInputView(SurveyPageAppearance appearance)
{
this.Appearance = appearance;
this.Style = appearance.QuestionInputViewStyle;
}
protected QuantityQuestionInputView(SurveyPageAppearance appearance)
: base(appearance)
{
}
protected virtual View BuildItem(ISurveyItem item, SurveyPageAppearance appearance)
{
var wrapInContainer = !(item is IStaticSurveyItem);
return SurveyItemViewFactory.Default.CreateViewForItem (item, appearance, wrapInContainer);
}
