private void MoveHighlight(IEasingFunctionDefinition targetFunction, int buttonNumber)
{
if (targetFunction == null)
{
return;
}
ComboBoxItem comboBoxItem = (ComboBoxItem)this.ItemContainerGenerator.ContainerFromItem((object)targetFunction);
if (comboBoxItem == null)
{
return;
}
ContentPresenter contentPresenter = Enumerable.FirstOrDefault <ContentPresenter>(Enumerable.OfType <ContentPresenter>(ElementUtilities.GetVisualTree((Visual)comboBoxItem)));
DataTemplate contentTemplate = contentPresenter.ContentTemplate;
if (buttonNumber < 0 || buttonNumber >= this.buttonOrder.Count)
{
return;
}
EasingFunctionSelectionButton functionSelectionButton = contentTemplate.FindName(this.buttonOrder[buttonNumber].ToString() + "Button", (FrameworkElement)contentPresenter) as EasingFunctionSelectionButton;
if (functionSelectionButton == null)
{
return;
}
this.LastHighlightedButton = functionSelectionButton;
}
private static void OnSelectedEasingFunctionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
EasingFunctionSelectionButton functionSelectionButton = d as EasingFunctionSelectionButton;
IEasingFunctionDefinition selectedEasingFunction = functionSelectionButton.SelectedEasingFunction;
IEasingFunctionDefinition ownEasingFunction = functionSelectionButton.OwnEasingFunction;
bool flag = functionSelectionButton.CanBeEnabled && (selectedEasingFunction == null || ownEasingFunction == null ? selectedEasingFunction == null && ownEasingFunction == null : ownEasingFunction.PlatformSpecificObject.GetType() == selectedEasingFunction.PlatformSpecificObject.GetType() && functionSelectionButton.Easing == selectedEasingFunction.EasingMode);
functionSelectionButton.MatchesSelection = flag;
}
private void HandleMouseOverChanged(object sender, RoutedEventArgs args)
{
EasingFunctionSelectionButton functionSelectionButton = args.OriginalSource as EasingFunctionSelectionButton;
if (functionSelectionButton != null)
{
if (functionSelectionButton.IsMouseOver)
{
this.LastHighlightedButton = functionSelectionButton;
}
functionSelectionButton.IsHighlighted = functionSelectionButton.IsMouseOver;
}
args.Handled = true;
}
private void OnEasingFunctionSelected(object sender, RoutedEventArgs args)
{
this.EasingFunctionSelectionComboBox.IsDropDownOpen = false;
EasingFunctionSelectionButton functionSelectionButton = sender as EasingFunctionSelectionButton;
if (functionSelectionButton == null || this.easingFunctionProperty == null)
{
return;
}
IEasingFunctionDefinition ownEasingFunction = functionSelectionButton.OwnEasingFunction;
SceneViewModel viewModel = this.easingFunctionProperty.SceneNodeObjectSet.ViewModel;
if (viewModel == null)
{
return;
}
foreach (SceneNode sceneNode in this.easingFunctionProperty.SceneNodeObjectSet.Objects)
{
if (!sceneNode.IsAttached)
{
return;
}
}
using (SceneEditTransaction editTransaction = viewModel.CreateEditTransaction(StringTable.ChangeEasingFunctionUndoUnit, false))
{
if (ownEasingFunction != null)
{
ownEasingFunction.EasingMode = functionSelectionButton.Easing;
this.easingFunctionProperty.PropertyValue.Value = ownEasingFunction.PlatformSpecificObject;
}
else
{
this.easingFunctionProperty.PropertyValue.ClearValue();
}
editTransaction.Commit();
}
}
private void KeyDownEventHandler(object sender, KeyEventArgs args)
{
if (!this.IsDropDownOpen)
{
return;
}
if (args.Key == Key.Left || args.Key == Key.Right || (args.Key == Key.Down || args.Key == Key.Up))
{
if (this.lastHighlightedButton == null)
{
IEasingFunctionDefinition functionDefinition = this.Tag as IEasingFunctionDefinition;
if (functionDefinition == null)
{
this.LastHighlightedButton = this.nullButton;
}
else
{
foreach (object obj in (IEnumerable)this.Items)
{
IEasingFunctionDefinition targetFunction = obj as IEasingFunctionDefinition;
if (targetFunction != null && targetFunction.PlatformSpecificObject.GetType() == functionDefinition.PlatformSpecificObject.GetType())
{
this.MoveHighlight(targetFunction, this.buttonOrder.IndexOf((object)functionDefinition.EasingMode));
break;
}
}
}
}
if (this.LastHighlightedButton == this.nullButton)
{
if (args.Key != Key.Down)
{
return;
}
this.MoveHighlight(this.Items[0] as IEasingFunctionDefinition, this.buttonOrder.IndexOf((object)EasingMode.In));
}
else if (args.Key == Key.Left || args.Key == Key.Right)
{
this.MoveHighlight(this.LastHighlightedButton.DataContext as IEasingFunctionDefinition, this.buttonOrder.IndexOf((object)this.LastHighlightedButton.Easing) + (args.Key == Key.Left ? -1 : 1));
}
else
{
int index = this.Items.IndexOf(this.LastHighlightedButton.DataContext) + (args.Key == Key.Down ? 1 : -1);
if (index < 0)
{
this.LastHighlightedButton = this.nullButton;
}
else
{
if (index == this.Items.Count)
{
index = this.Items.Count - 1;
}
this.MoveHighlight(this.Items[index] as IEasingFunctionDefinition, this.buttonOrder.IndexOf((object)this.LastHighlightedButton.Easing));
}
}
}
else
{
if (args.Key != Key.Return && args.Key != Key.Space)
{
return;
}
if (this.LastHighlightedButton == null)
{
this.nullButton.FireButtonPressed();
}
else
{
this.LastHighlightedButton.FireButtonPressed();
}
}
}
private void HandlePopupClosed(object sender, RoutedEventArgs args)
{
this.LastHighlightedButton = (EasingFunctionSelectionButton)null;
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
this.nullButton = this.Template.FindName("PopUpDisplayNullEasingFunctionButton", (FrameworkElement)this) as EasingFunctionSelectionButton;
}