protected static void OnIsActivePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
bool isActive = (bool)e.NewValue;
FloatingControl me = d as FloatingControl;
if (me != null)
{
bool isTaskbar = me is FloatingTaskbar;
bool isDocked = (isTaskbar) ? ((me as FloatingTaskbar).DockPosition != DockPosition.NONE) : false;
if (isActive)
{
me.Opacity = 1.0;
if (!me.IsNailed && !isDocked)
{
Canvas.SetZIndex(me, CurrentZIndex++);
}
}
else
{
me.Opacity = 0.75;
Canvas.SetZIndex(me, (isTaskbar) ? 1 : 2);
}
me.OnIsActiveChanged(me, new IsActiveChangedEventArgs(isActive));
}
}
/* =====================================================================
* If current window is activated, deactivate other floating controls
* If current window is deactivated, activate the Taskbar or an expanded
* window if Taskbar does not exist. Always set IsActive = false for a
* window before set IsActive = true for another window
* =====================================================================*/
protected void ResetActiveWindow(bool active)
{
if (ParentCanvas == null)
{
return;
}
if (active)
{
// Deactivate Other Windows
if (ParentCanvas.Children.Count > 1)
{
foreach (FrameworkElement child in ParentCanvas.Children)
{
if (child is FloatingControl)
{
FloatingControl win = child as FloatingControl;
if (win != this && win.IsActive)
{
win.IsActive = false;
}
}
}
}
this.IsActive = true;
}
else
{
this.IsActive = false;
// Activate Taskbar if Taskbar exists
bool found = false;
foreach (Control child in ParentCanvas.Children)
{
if (child is FloatingTaskbar)
{
FloatingTaskbar taskbar = child as FloatingTaskbar;
taskbar.IsActive = true;
taskbar.Focus();
found = true;
break;
}
}
// Activate an expanded window
if (!found)
{
foreach (Control child in ParentCanvas.Children)
{
if (child is FloatingWindow)
{
FloatingWindow win = child as FloatingWindow;
if (win != this && win.Visibility == Visibility.Visible && win.IsExpanded)
{
win.IsActive = true;
win.Focus();
break;
}
}
}
}
}
}
