protected virtual void OnMenu()
{
if (ReadOnly)
{
return;
}
if (Selecteds.Count == 0)
{
var dropDown = new StateNodeCreatDropdown(this, StateNodeRef.Empty, false, false);
dropDown.Show(new Rect(Canvas.MouseInView, new Vector2(250, 20)));
return;
}
var menu = new GenericMenu();
int copyCount = Selecteds.Count(it => Graph.CheckCopy(it.Node));
AddMenuItem(menu, "复制", copyCount > 0, CopyNodes);
AddMenuItem(menu, "粘贴", StateNodeClipboard.Clipboard.ContainsKey(Graph.GetType()), PasteFromClipboard);
AddMenuItem(menu, "Duplicate", copyCount > 0, () => Duplicate());
menu.AddSeparator("");
AddMenuItem(menu, "删除", Graph.CheckDelete(Selecteds[0]), () => DeleteSelectedNode());
if (Selecteds.Count == 1)
{
menu.AddSeparator("");
var node = Selecteds[0];
AddMenuItem(menu, "替换", VaildTypes.Count(it => Graph.CheckReplace(node.Node.NodeType, it)) > 0, () =>
{
var dropDown = new StateNodeReplaceDropdown(this, node);
dropDown.Show(new Rect(Canvas.MouseInView, new Vector2(250, 0)));
});
if (Graph.IsStack(node.Node))
{
AddMenuItem(menu, "清空组", Graph.Links.Exists(it => it.IsChild && it.From == node), () => BreakChildLink(node));
}
else
{
menu.AddSeparator("");
if (!node.Node.Parent)
{
menu.AddItem(new GUIContent("反转"), node.Node.Reversal, () => SetNodeReversal(node.Node, !node.Node.Reversal));
}
}
AddMenuItem(menu, "选中同类型节点", true, SelectSameType);
}
menu.ShowAsContext();
}
public void OnDragEnd(StateGraphView view, Vector2 ptInWorld)
{
var currNode = view.HitTest(ptInWorld);
if (currNode == node)
{
if (!isChild)
{
return;
}
currNode = null;
}
if (currNode != null)
{
StateNode from;
StateNode to;
if (isOut)
{
from = node.Node;
to = currNode;
}
else
{
to = node.Node;
from = currNode;
}
view.CreateLink(from, to, isChild);
view.SelectNode(currNode);
}
else
{
//此处弹出创建节点下拉窗口
StateNodeCreatDropdown dropDown = new StateNodeCreatDropdown(view, node, isOut, isChild);
dropDown.Show(new Rect(view.Canvas.MouseInView, new Vector2(250, 0)));
}
}
