public static FrameworkElement Render(TypedElement element, RenderContext context)
{
ChoiceSet choiceSet = (ChoiceSet)element;
#if WPF
if (context.Config.SupportsInteractivity)
{
var uiGrid = new Grid();
uiGrid.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
uiGrid.RowDefinitions.Add(new RowDefinition()
{
Height = new GridLength(1, GridUnitType.Star)
});
var uiComboBox = new ComboBox();
uiComboBox.Style = context.GetStyle("Adaptive.Input.ChoiceSet.ComboBox");
uiComboBox.DataContext = choiceSet;
var uiChoices = new ListBox();
ScrollViewer.SetHorizontalScrollBarVisibility(uiChoices, ScrollBarVisibility.Disabled);
var itemsPanelTemplate = new ItemsPanelTemplate();
var factory = new FrameworkElementFactory(typeof(WrapPanel));
itemsPanelTemplate.VisualTree = factory;
uiChoices.ItemsPanel = itemsPanelTemplate;
uiChoices.DataContext = choiceSet;
uiChoices.Style = context.GetStyle("Adaptive.Input.ChoiceSet");
foreach (var choice in choiceSet.Choices)
{
if (choiceSet.IsMultiSelect == true)
{
var uiCheckbox = new CheckBox();
uiCheckbox.Content = choice.Title;
uiCheckbox.IsChecked = choice.IsSelected;
uiCheckbox.DataContext = choice;
uiCheckbox.Style = context.GetStyle("Adaptive.Input.ChoiceSet.CheckBox");
uiChoices.Items.Add(uiCheckbox);
}
else
{
if (choiceSet.Style == ChoiceInputStyle.Compact)
{
var uiComboItem = new ComboBoxItem();
uiComboItem.Style = context.GetStyle("Adaptive.Input.ChoiceSet.ComboBoxItem");
uiComboItem.Content = choice.Title;
uiComboItem.DataContext = choice;
uiComboBox.Items.Add(uiComboItem);
if (choice.IsSelected)
{
uiComboBox.SelectedItem = uiComboItem;
}
}
else
{
var uiRadio = new RadioButton();
uiRadio.Content = choice.Title;
uiRadio.IsChecked = choice.IsSelected;
uiRadio.GroupName = choiceSet.Id;
uiRadio.DataContext = choice;
uiRadio.Style = context.GetStyle("Adaptive.Input.ChoiceSet.Radio");
uiChoices.Items.Add(uiRadio);
}
}
}
context.InputBindings.Add(choiceSet.Id, () =>
{
if (choiceSet.IsMultiSelect == true)
{
List <string> values = new List <string>();
foreach (var item in uiChoices.Items)
{
CheckBox checkBox = (CheckBox)item;
Choice choice = checkBox.DataContext as Choice;
if (checkBox.IsChecked == true)
{
values.Add(choice.Value);
}
}
return(values);
}
else
{
if (choiceSet.Style == ChoiceInputStyle.Compact)
{
ComboBoxItem item = uiComboBox.SelectedItem as ComboBoxItem;
if (item != null)
{
Choice choice = item.DataContext as Choice;
return(choice.Value);
}
return(null);
}
else
{
foreach (var item in uiChoices.Items)
{
RadioButton radioBox = (RadioButton)item;
Choice choice = radioBox.DataContext as Choice;
if (radioBox.IsChecked == true)
{
return(choice.Value);
}
}
return(null);
}
}
});
if (choiceSet.Style == ChoiceInputStyle.Compact)
{
Grid.SetRow(uiComboBox, 1);
uiGrid.Children.Add(uiComboBox);
return(uiGrid);
}
else
{
Grid.SetRow(uiChoices, 1);
uiGrid.Children.Add(uiChoices);
return(uiGrid);
}
}
#endif
string choiceText = XamlUtilities.GetFallbackText(choiceSet);
if (choiceText == null)
{
List <string> choices = choiceSet.Choices.Select(choice => choice.Title).ToList();
if (choiceSet.Style == ChoiceInputStyle.Compact)
{
if (choiceSet.IsMultiSelect)
{
choiceText = $"Choices: {RendererUtilities.JoinString(choices, ", ", " and ")}";
}
else
{
choiceText = $"Choices: {RendererUtilities.JoinString(choices, ", ", " or ")}";
}
}
else // if (choiceSet.Style == ChoiceInputStyle.Expanded)
{
choiceText = $"* {RendererUtilities.JoinString(choices, "\n* ", "\n* ")}";
}
}
Container container = TypedElementConverter.CreateElement <Container>();
container.Separation = choiceSet.Separation;
TextBlock textBlock = TypedElementConverter.CreateElement <TextBlock>();
textBlock.Text = choiceText;
textBlock.Wrap = true;
container.Items.Add(textBlock);
textBlock = TypedElementConverter.CreateElement <TextBlock>();
textBlock.Text = RendererUtilities.JoinString(choiceSet.Choices.Where(c => c.IsSelected).Select(c => c.Title).ToList(), ", ", " and ");
textBlock.Color = TextColor.Accent;
textBlock.Wrap = true;
container.Items.Add(textBlock);
return(context.Render(container));
}
