protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
{
base.OnPreviewMouseDown(e);
canvas = VisualTreeHelper.GetParent(this) as DesignCanvas;
// update selection
if (canvas != null)
{
if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
{
if (this.IsSelected)
{
canvas.SelectionService.RemoveFromSelection(this);
}
else
{
canvas.SelectionService.AddToSelection(this);
}
}
else if (!this.IsSelected)
{
canvas.SelectionService.SelectItem(this);
}
var designItemInfo = canvas.CurrentDesignItemInfos.First(a=>a.ID==this.ID);
if (VisualTreeHelperX.FindParentControl<Button>(e.OriginalSource as DependencyObject) == null)
{
if (e.ChangedButton == MouseButton.Left && e.LeftButton == MouseButtonState.Pressed)
{
if (e.ClickCount == 2)
{
canvas.RaiseDesignItemMouseDoubleClick(designItemInfo);
}
}
else if (e.ChangedButton == MouseButton.Right && e.RightButton == MouseButtonState.Pressed)
{
if (e.ClickCount == 1)
{
canvas.RaiseDesignItemMouseRightClick(designItemInfo);
}
}
}
Focus();
}
e.Handled = false;
}
