/// <summary>
/// Execute handler for the MdiCommands.MinimizeWindow command.
/// </summary>
private void ExecuteMinimizeWindow(ExecutedRoutedEventArgs e)
{
MdiWindow window = Content as MdiWindow;
Debug.Assert(window != null && MdiPanel.GetWindowState(window) != WindowState.Minimized);
MinimizeWindow(window);
}
/// <summary>
/// Execute handler for the MdiCommands.RestoreWindow command.
/// </summary>
private void ExecuteRestoreWindow(ExecutedRoutedEventArgs e)
{
MdiWindow window = Content as MdiWindow;
Debug.Assert(window != null && MdiPanel.GetWindowState(window) != WindowState.Normal);
RestoreWindow(window);
}
/// <summary>
/// Execute handler for the MdiCommands.CloseWindow command.
/// </summary>
private void ExecuteCloseWindow(ExecutedRoutedEventArgs e)
{
MdiWindow window = Content as MdiWindow;
Debug.Assert(window != null);
CloseWindow(window);
}
private static void OnWindowRectChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MdiWindow window = d as MdiWindow;
if (window != null)
{
RoutedPropertyChangedEventArgs <Rect> args = new RoutedPropertyChangedEventArgs <Rect>((Rect)e.OldValue, (Rect)e.NewValue, WindowRectChangedEvent);
window.RaiseEvent(args);
}
}
/// <summary>
/// Execute handler for the MdiCommands.AdjustWindowRect command.
/// </summary>
private void ExecuteAdjustWindowRect(ExecutedRoutedEventArgs e)
{
UIElement originalSource = (UIElement)e.OriginalSource;
AdjustWindowRectParameter swp = (AdjustWindowRectParameter)e.Parameter;
MdiWindow window = Content as MdiWindow;
Debug.Assert(window != null && MdiPanel.GetWindowState(window) == WindowState.Normal);
Vector delta = originalSource.TransformElementToElement(swp.Delta, window);
AdjustWindowRect(window, delta, swp.InteractiveEdges);
}
/// <summary>
/// Set the window state of a window in the view.
/// </summary>
/// <remarks>
/// MdiWindow itself will call this method when its
/// MdiPanel.WindowState property changes.
/// </remarks>
public void SetWindowState(MdiWindow window, WindowState windowState)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
if (Content != window)
{
throw new ArgumentException("Window does not belong to this floater.", "window");
}
window.SetValue(MdiPanel.WindowStateProperty, windowState);
this.WindowState = windowState;
}
/// <summary>
/// Removes the window from the view.
/// </summary>
public void CloseWindow(MdiWindow window)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
if (Content != window)
{
throw new ArgumentException("Window does not belong to this floater.", "window");
}
// Raise the window.Closing event, which can be canceled.
if (window.Close())
{
// close this floater.
Close();
// Walk the visual tree looking for disposable elements.
window.DisposeSubTree();
}
}
/// <summary>
/// Sets the window state of the window to maximized.
/// </summary>
public void MinimizeWindow(MdiWindow window)
{
SetWindowState(window, WindowState.Minimized);
}
/// <summary>
/// CanExecute handler for the MdiCommands.RestoreWindow command.
/// </summary>
private void CanExecuteRestoreWindow(CanExecuteRoutedEventArgs e)
{
MdiWindow window = Content as MdiWindow;
e.CanExecute = (window != null && MdiPanel.GetWindowState(window) != WindowState.Normal);
}
public static void RemoveWindowRectChangedHandler(MdiWindow window, RoutedPropertyChangedEventHandler<Rect> handler)
{
window.RemoveHandler(WindowRectChangedEvent, handler);
}
/// <summary>
/// CanExecute handler for the MdiCommands.MinimizeWindow command.
/// </summary>
private void CanExecuteMinimizeWindow(CanExecuteRoutedEventArgs e)
{
MdiWindow window = Content as MdiWindow;
e.CanExecute = (window != null && MdiPanel.GetWindowState(window) != WindowState.Minimized);
}
/// <summary>
/// Removes the window from the view.
/// </summary>
public void CloseWindow(MdiWindow window)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
if (Content != window)
{
throw new ArgumentException("Window does not belong to this floater.", "window");
}
// Raise the window.Closing event, which can be canceled.
if (window.Close())
{
// close this floater.
Close();
// Walk the visual tree looking for disposable elements.
window.DisposeSubTree();
}
}
/// <summary>
/// CanExecute handler for the MdiCommands.AdjustWindowRect command.
/// </summary>
private void CanExecuteAdjustWindowRect(CanExecuteRoutedEventArgs e)
{
MdiWindow window = Content as MdiWindow;
e.CanExecute = (window != null && MdiPanel.GetWindowState(window) == WindowState.Normal);
}
public static void RemoveWindowRectChangedHandler(MdiWindow window,
RoutedPropertyChangedEventHandler <Rect> handler)
{
window.RemoveHandler(WindowRectChangedEvent, handler);
}
/// <summary>
/// CanExecute handler for the MdiCommands.CloseWindow command.
/// </summary>
/// <remarks>
/// The command is only enabled if the items are not bound via
/// the ItemsSource.
/// </remarks>
private void CanExecuteCloseWindow(CanExecuteRoutedEventArgs e)
{
MdiWindow window = Content as MdiWindow;
e.CanExecute = (window != null);
}
/// <summary>
/// Adjust the window rect of a window.
/// </summary>
public void AdjustWindowRect(MdiWindow window, Vector delta, MdiWindowEdge interactiveEdges)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
if (Content != window)
{
throw new ArgumentException("Window does not belong to this floater.", "window");
}
Rect screenRect = MdiPanel.GetWindowRect(window);
if (interactiveEdges == MdiWindowEdge.None)
{
screenRect.X += delta.X;
screenRect.Y += delta.Y;
}
else
{
if ((interactiveEdges & MdiWindowEdge.Left) != 0)
{
// Can't size smaller than the minimum size.
double constrainedDelta = Math.Min(delta.X, (screenRect.Width - window.MinWidth));
screenRect.X += constrainedDelta;
screenRect.Width -= constrainedDelta;
}
if ((interactiveEdges & MdiWindowEdge.Right) != 0)
{
// Can't size smaller than the minimum size.
double constrainedDelta = Math.Max(delta.X, -(screenRect.Width - window.MinWidth));
screenRect.Width += constrainedDelta;
}
if ((interactiveEdges & MdiWindowEdge.Top) != 0)
{
// Can't size smaller than the minimum size.
double constrainedDelta = Math.Min(delta.Y, (screenRect.Height - window.MinHeight));
screenRect.Y += constrainedDelta;
screenRect.Height -= constrainedDelta;
}
if ((interactiveEdges & MdiWindowEdge.Bottom) != 0)
{
// Can't size smaller than the minimum size.
double constrainedDelta = Math.Max(delta.Y, -(screenRect.Height - window.MinHeight));
screenRect.Height += constrainedDelta;
}
}
if (window.MinWidth > screenRect.Width)
{
if ((interactiveEdges & MdiWindowEdge.Left) != 0)
{
screenRect.X = screenRect.Right - window.MinWidth;
}
screenRect.Width = window.MinWidth;
}
if (window.MinHeight > screenRect.Height)
{
if ((interactiveEdges & MdiWindowEdge.Top) != 0)
{
screenRect.Y = screenRect.Bottom - window.MinHeight;
}
screenRect.Height = window.MinHeight;
}
MdiPanel.SetWindowRect(window, screenRect);
this.Left = screenRect.Left;
this.Top = screenRect.Top;
this.Width = screenRect.Width;
this.Height = screenRect.Height;
}
/// <summary>
/// Set the window state of a window in the view.
/// </summary>
/// <remarks>
/// MdiWindow itself will call this method when its
/// MdiPanel.WindowState property changes.
/// </remarks>
public void SetWindowState(MdiWindow window, WindowState windowState)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
if (Content != window)
{
throw new ArgumentException("Window does not belong to this floater.", "window");
}
window.SetValue(MdiPanel.WindowStateProperty, windowState);
this.WindowState = windowState;
}
/// <summary>
/// Sets the window state of the window to normal.
/// </summary>
public void RestoreWindow(MdiWindow window)
{
SetWindowState(window, WindowState.Normal);
}
/// <summary>
/// Sets the window state of the window to maximized.
/// </summary>
public void MinimizeWindow(MdiWindow window)
{
SetWindowState(window, WindowState.Minimized);
}
/// <summary>
/// Adjust the window rect of a window.
/// </summary>
public void AdjustWindowRect(MdiWindow window, Vector delta, MdiWindowEdge interactiveEdges)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
if (Content != window)
{
throw new ArgumentException("Window does not belong to this floater.", "window");
}
Rect screenRect = MdiPanel.GetWindowRect(window);
if (interactiveEdges == MdiWindowEdge.None)
{
screenRect.X += delta.X;
screenRect.Y += delta.Y;
}
else
{
if ((interactiveEdges & MdiWindowEdge.Left) != 0)
{
// Can't size smaller than the minimum size.
double constrainedDelta = Math.Min(delta.X, (screenRect.Width - window.MinWidth));
screenRect.X += constrainedDelta;
screenRect.Width -= constrainedDelta;
}
if ((interactiveEdges & MdiWindowEdge.Right) != 0)
{
// Can't size smaller than the minimum size.
double constrainedDelta = Math.Max(delta.X, -(screenRect.Width - window.MinWidth));
screenRect.Width += constrainedDelta;
}
if ((interactiveEdges & MdiWindowEdge.Top) != 0)
{
// Can't size smaller than the minimum size.
double constrainedDelta = Math.Min(delta.Y, (screenRect.Height - window.MinHeight));
screenRect.Y += constrainedDelta;
screenRect.Height -= constrainedDelta;
}
if ((interactiveEdges & MdiWindowEdge.Bottom) != 0)
{
// Can't size smaller than the minimum size.
double constrainedDelta = Math.Max(delta.Y, -(screenRect.Height - window.MinHeight));
screenRect.Height += constrainedDelta;
}
}
if (window.MinWidth > screenRect.Width)
{
if ((interactiveEdges & MdiWindowEdge.Left) != 0)
{
screenRect.X = screenRect.Right - window.MinWidth;
}
screenRect.Width = window.MinWidth;
}
if (window.MinHeight > screenRect.Height)
{
if ((interactiveEdges & MdiWindowEdge.Top) != 0)
{
screenRect.Y = screenRect.Bottom - window.MinHeight;
}
screenRect.Height = window.MinHeight;
}
MdiPanel.SetWindowRect(window, screenRect);
this.Left = screenRect.Left;
this.Top = screenRect.Top;
this.Width = screenRect.Width;
this.Height = screenRect.Height;
}
/// <summary>
/// Sets the window state of the window to normal.
/// </summary>
public void RestoreWindow(MdiWindow window)
{
SetWindowState(window, WindowState.Normal);
}