private Node()
{
m_NextNodes = new List <Node <T> >();
m_PrevNodes = new List <Node <T> >();
this.RegisterCallback <PointerDownEvent>((a) =>
{
this.BringToFront();
}, TrickleDown.NoTrickleDown);
#region 节点顶部
#region 连接点
connectPointIn = new ConnectPoint <T>(this, Point.In);
connectPointIn.AddToClassList("connectPoint");
connectPointIn.RegisterCallback <PointerDownEvent>((a) => { a.StopPropagation(); });
connectPointOut = new ConnectPoint <T>(this, Point.Out);
connectPointOut.AddToClassList("connectPoint");
connectPointOut.RegisterCallback <PointerDownEvent>((a) => { a.StopPropagation(); });
#endregion
Label label = new Label()
{
text = $"节点",
};
label.AddToClassList("text");
VisualElement title = new VisualElement();
title.AddToClassList("title");
title.RegisterCallback <MouseMoveEvent>((a) =>
{
if (isMove)
{
this.transform.position += (Vector3)a.mouseDelta;
}
});
title.RegisterCallback <PointerDownEvent>((a) =>
{
isMove = true;
});
title.RegisterCallback <PointerUpEvent>((a) =>
{
isMove = false;
});
title.RegisterCallback <PointerEnterEvent>((a) =>
{
isMove = false;
});
title.Add(connectPointIn);
title.Add(label);
title.Add(connectPointOut);
title.RegisterCallback <MouseDownEvent>((v) =>
{
if (v.button == 0 && v.clickCount == 2)
{
if (Contains(m_ContentUI))
{
Remove(m_ContentUI);
}
else
{
Add(m_ContentUI);
}
}
else if (v.button == 1 && v.clickCount == 1)
{
GenericMenu genericMenu = new GenericMenu();
genericMenu.AddItem(new GUIContent("Delete"), false, Delete);
NodeWindow.AddCreateNodeMenu(genericMenu, this.transform.position + new Vector3(150, 60, 0), "Add Next Node", (node) =>
{
AddNextNode(node);
});
NodeWindow.AddCreateNodeMenu(genericMenu, this.transform.position - new Vector3(20, 20, 0), "Add Prev Node", (node) =>
{
node.AddNextNode(this);
});
genericMenu.ShowAsContext();
}
});
#endregion
Add(title);
}
