protected override void Activate(ModelItem item)
{
designObject = item.GetCurrentValue() as LinkableControl;//获得被点击的控件对象
if (designObject != null)
{
designCanvas = designObject.Parent as Panel;
DesignerView v = DesignerView.FromContext(Context);
adorner = new ControlAdorner(designObject);
adorner.RenderTransform = new ScaleTransform(v.ZoomLevel, v.ZoomLevel);
foreach (var pin in adorner.Children)
{
pin.MouseLeftButtonDown += new MouseButtonEventHandler(Pin_MouseLeftButtonDown); //按下左键选中hitPin，开始拖动
pin.MouseMove += new MouseEventHandler(Pin_MouseMove); //移动鼠标，开始找寻目标连接节点
}
AdornerPanel.SetAdornerHorizontalAlignment(adorner, AdornerHorizontalAlignment.Stretch);
AdornerPanel.SetAdornerVerticalAlignment(adorner, AdornerVerticalAlignment.Stretch);
_panel.Children.Add(adorner);
Adorners.Add(_panel);
v.ZoomLevelChanged += (s, e) => { adorner.RenderTransform = new ScaleTransform(v.ZoomLevel, v.ZoomLevel); };
}
base.Activate(item);
}
void pinAdorner_MouseUp(object sender, MouseButtonEventArgs e)
{
var pinAdorner = sender as PinAdorner;
if (pinAdorner.HitPin != null)
{
LinkableControl targetObject = pinAdorner.HitLinkableControl;
LinkPin lp1 = pinAdorner.SourcePin;
LinkPin lp2 = pinAdorner.HitPin;
ConnectInfo info1 = lp1.GetInfo();
ConnectInfo info2 = lp2.GetInfo();
LinkLine line = new LinkLine(info1, info2);
//Panel.SetZIndex(line, designCanvas.Children.Count);
Binding bi1 = new Binding(omap[info1.Orient]);
bi1.ElementName = designObject.Name;
line.SetBinding(LinkLine.OriginInfoProperty, bi1);
Binding bi2 = new Binding(omap[info2.Orient]);
bi2.ElementName = targetObject.Name;
line.SetBinding(LinkLine.TargetInfoProperty, bi2);
var CanvasModelItem = AdornerProperties.GetModel(adorner).Parent;
ModelItemCollection myControls = CanvasModelItem.Properties["Children"].Collection;
ModelItem myLinkLine = myControls.Add(line);
}
if (pinAdorner.HitLinkableControl != null)
{
pinAdorner.HitLinkableControl.IsLinkDragOver = false;
}
hitPin = null;
if (adorner.IsMouseCaptured)
{
adorner.ReleaseMouseCapture();
}
_panel.Children.Remove(pinAdorner);
}
