public void Dispose()
{
Model = null;
_splitter.DragStarted -= OnDragStarted;
_splitter.DragDelta -= OnDragDelta;
_splitter.DragCompleted -= OnDragCompleted;
_splitter = null;
_layoutContent.Dispose();
}
private void _InitChildren()
{
_layoutContent = new LayoutContentControl()
{
HorizontalAlignment = HorizontalAlignment.Stretch, VerticalAlignment = VerticalAlignment.Stretch, BorderThickness = new Thickness(1), BorderBrush = new SolidColorBrush(new Color()
{
A = 0xFF, R = 0xCC, G = 0xCE, B = 0xDB
})
};
_splitter = new LayoutDragSplitter();
_splitter.DragStarted += OnDragStarted;
_splitter.DragDelta += OnDragDelta;
_splitter.DragCompleted += OnDragCompleted;
_splitter.Background = ResourceManager.SplitterBrushVertical;
}
/// <summary>
/// 计算拖动时的上下边界值
/// </summary>
/// <param name="splitter">拖动的对象</param>
/// <param name="x1">下界</param>
/// <param name="x2">上界</param>
private void _ComputeDragBounds(LayoutDragSplitter splitter, ref double x1, ref double x2)
{
var pToScreen = RootPanel.PointToScreenDPIWithoutFlowDirection(new Point());
switch (Side)
{
case DockSide.Left:
case DockSide.Right:
_dragBound1 = pToScreen.X;
_dragBound2 = pToScreen.X + RootPanel.ActualWidth - Constants.SplitterSpan / 2;
break;
case DockSide.Top:
case DockSide.Bottom:
_dragBound1 = pToScreen.Y;
_dragBound2 = pToScreen.Y + RootPanel.ActualHeight - Constants.SplitterSpan / 2;
break;
}
}
private void _CreateDragPopup(LayoutDragSplitter splitter)
{
pToScreen = this.PointToScreenDPIWithoutFlowDirection(new Point());
var transfrom = splitter.TransformToAncestor(this);
var _pToInterPanel = transfrom.Transform(new Point(0, 0));
pToScreen.X += _pToInterPanel.X;
pToScreen.Y += _pToInterPanel.Y;
switch (Side)
{
case DockSide.Left:
case DockSide.Right:
Model.DesiredWidth = ActualWidth - Constants.SplitterSpan / 2;
break;
case DockSide.Top:
case DockSide.Bottom:
Model.DesiredHeight = ActualHeight - Constants.SplitterSpan / 2;
break;
}
_dragPopup = new Popup()
{
Child = new Rectangle()
{
Height = splitter.ActualHeight,
Width = splitter.ActualWidth,
Fill = Brushes.Black,
Opacity = Constants.DragOpacity,
IsHitTestVisible = false,
},
Placement = PlacementMode.Absolute,
HorizontalOffset = pToScreen.X,
VerticalOffset = pToScreen.Y,
AllowsTransparency = true
};
DockHelper.ComputeSpliterLocation(_dragPopup, pToScreen, new Size(splitter.ActualWidth, splitter.ActualHeight));
_dragPopup.IsOpen = true;
}
