private void RegisterRevealButtonEvent()
{
_revealButton.AddHandler(UIElement.MouseLeftButtonDownEvent,
(MouseButtonEventHandler)OnRevealButtonPointerPressed, true);
_revealButton.AddHandler(UIElement.MouseLeftButtonUpEvent,
(MouseButtonEventHandler)OnRevealButtonPointerReleased, true);
_revealButton.AddHandler(UIElement.MouseEnterEvent, (RoutedEventHandler)OnRevealButtonPointerEnter, true);
}
/// <summary>
/// Registers this object to receive notifications of changes to the content.
/// </summary>
/// <param name="dependencyObject">The target element that will register for state change events.</param>
public override void Register(DependencyObject dependencyObject)
{
// The Undo/Redo strategy involves handling global operations that are common to all controls and specific operations
// that are particular to a family of controls. This registers handlers for this family of controls that will add the
// proper actions to the Undo/Redo stacks.
ToggleButton toggleButton = dependencyObject as ToggleButton;
toggleButton.AddHandler(ToggleButton.CheckedEvent, new RoutedEventHandler(CheckedHandler), true);
toggleButton.AddHandler(ToggleButton.UncheckedEvent, new RoutedEventHandler(CheckedHandler), true);
toggleButton.AddHandler(FrameworkElement.PreviewKeyDownEvent, new KeyEventHandler(KeyDownHandler));
}
private static void UncheckedRadioButtonEvent(Object sender, RoutedEventArgs e)
{
ToggleButton button = (ToggleButton)sender;
button.RemoveHandler(
RadioButton.ClickEvent, UncheckedRadioButtonEventHandler);
button.AddHandler(
RadioButton.ClickEvent, CheckedRadioButtonEventHandler);
button.IsChecked = true;
}
/// <summary>
/// Responsible for generating both modal and non modal
/// enumerated UI components.
/// </summary>
/// <param name="agg"></param>
/// <returns></returns>
private UIElement genEnumerationSelector(Aggregate agg)
{
//gen base ui elements.
StackPanel stk = new StackPanel();
ComboBox cbx = new ComboBox();
UniformGrid grd = new UniformGrid();
Label lbl = new Label();
lbl.Content = agg.name;
//determine the nature of modallity.
bool modal = true;
for (int i = 0; i < agg.aggregation.Count; i++)
{
//why is the C# for iterator const? Its annoying...
var item = agg.aggregation[i];
//mutal exclusion in this case means all other options should be
//deselected if this one is choosen. i.e. AllFlags and NoFlags
//are a direct contradiction.
//modality is whether ALL options are mutually exclusive.
if (item.name == "AllFlags")
{
modal = false;
item.isMutuallyExclusive = true;
}
else if (item.name == "NoFlags")
{
item.isMutuallyExclusive = true;
}
}
//add to compositor.
stk.Children.Add(lbl);
//deal with modality.
if (modal)
{
//for modal, generate a list of mutually exclusive
//options, i.e only one may be set.
foreach (var item in agg.aggregation)
{
cbx.Items.Add(item.name);
}
//add to compositor.
stk.Children.Add(cbx);
//generate event aggregate mappings, and event callbacks.
mUIToAggregation.Add(cbx, agg);
cbx.AddHandler(ComboBox.SelectionChangedEvent,
new RoutedEventHandler(onSingleSelect));
//select default.
cbx.SelectedIndex = 0;
}
else
{
List <ToggleButton> tbnList = new List <ToggleButton>();
foreach (var item in agg.aggregation)
{
ToggleButton btn = new ToggleButton();
btn.Content = item.name;
grd.Children.Add(btn);
tbnList.Add(btn);
//generate event aggregate mappings, and event callbacks.
//(this is per button)
mUIToAggregation.Add(btn, agg);
btn.AddHandler(Button.ClickEvent,
new RoutedEventHandler(onMultiSelect));
}
//select default.
tbnList[0].IsChecked = true;
stk.Children.Add(grd);
}
return(stk);
}
