/// <summary>
/// Handler for the window close animation completion, this delays
/// actually closing the window until all outro animations have completed.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnCloseAnimationCompleted(object sender, EventArgs e)
{
InlineModalDecorator panel = GetModalDecorator(Owner);
Debug.Assert(panel != null);
CloseDialog(panel);
}
/// <summary>
/// Attempts to close the front-most dialog of the provided owner.
/// </summary>
/// <param name="owner"></param>
public static void CloseCurrent(DependencyObject owner)
{
InlineModalDecorator panel = GetModalDecorator(owner);
if (panel == null)
{
return;
}
var current = panel.TopmostModal as InlineModalDialog;
if (current != null)
{
current.Close();
}
}
/// <summary>
/// Closes the modal dialog.
/// </summary>
public void Close()
{
if (!_isOpen)
{
return;
}
ValidateOwner();
InlineModalDecorator panel = GetModalDecorator(Owner);
if (panel == null)
{
return;
}
var cancelArgs = new CancelRoutedEventArgs(ClosingEvent);
OnClosing(cancelArgs);
if (cancelArgs.Cancel)
{
return;
}
if (Animator.IsAnimationEnabled)
{
Storyboard dialogAnim = DialogOutroAnimation;
if (dialogAnim != null)
{
if (dialogAnim.IsFrozen)
{
dialogAnim = dialogAnim.Clone();
}
// Add a handler so we know when the dialog can be closed.
dialogAnim.AttachCompletedEventHandler(OnCloseAnimationCompleted);
dialogAnim.Begin(this);
}
}
else
{
CloseDialog(panel);
}
}
private void CloseDialog(InlineModalDecorator panel)
{
panel.RemoveModal(this, ShowBlurrer);
OnClosed();
var topMost = panel.TopmostModal;
if (topMost != null)
{
topMost.Focus();
}
if (_dispatcherFrame != null)
{
_dispatcherFrame.Continue = false;
_dispatcherFrame = null;
}
_isOpen = false;
}
/// <summary>
/// Shows the modal dialog.
/// </summary>
public void Show()
{
ValidateOwner();
InlineModalDecorator panel = GetModalDecorator(Owner);
if (panel == null)
{
return;
}
panel.AddModal(this, ShowBlurrer);
if (Animator.IsAnimationEnabled)
{
Storyboard dialogAnim = DialogIntroAnimation;
if (dialogAnim != null)
{
if (dialogAnim.IsFrozen)
{
dialogAnim = dialogAnim.Clone();
}
dialogAnim.AttachCompletedEventHandler(OnOpenAnimationCompleted);
dialogAnim.Begin(this);
}
}
else
{
OpenCompleted();
}
_dispatcherFrame = new DispatcherFrame();
Dispatcher.PushFrame(_dispatcherFrame);
_isOpen = false;
}
private void CloseDialog(InlineModalDecorator panel)
{
panel.RemoveModal(this, ShowBlurrer);
OnClosed();
var topMost = panel.TopmostModal;
if (topMost != null)
{
topMost.Focus();
}
if (_dispatcherFrame != null)
{
_dispatcherFrame.Continue = false;
_dispatcherFrame = null;
}
_isOpen = false;
}
internal static void SetModalDecorator(DependencyObject obj, InlineModalDecorator value)
{
obj.SetValue(ModalDecoratorProperty, value);
}
internal static void SetModalDecorator(DependencyObject obj, InlineModalDecorator value)
{
obj.SetValue(ModalDecoratorProperty, value);
}
