private void OnCutClickHandler()
        {
            if (_curSelectedNode == null)
            {
                BarrageProject.LogWarning("Cut fail!Please select a node first");
                return;
            }
            BaseNode parent = _curSelectedNode.GetParentNode();

            if (parent == null)
            {
                BarrageProject.LogWarning("Cut fail!Node root is not deletable");
                return;
            }
            if (!_curSelectedNode.IsDeletable)
            {
                BarrageProject.LogWarning(string.Format("Cut fail!Node {0} is not deletable", _curSelectedNode.GetNodeName()));
                return;
            }
            // 保存该节点的数据
            NodeData nd = NodeManager.SaveAsNodeData(_curSelectedNode, true);

            if (!Clipboard.CopyToClipboard(nd))
            {
                return;
            }
            //Clipboard.SetDataObject(nd);
            // 删除节点
            int index = parent.GetChildIndex(_curSelectedNode);

            // 删除完成之后,默认选中下一个节点
            if (parent.RemoveChildNode(_curSelectedNode))
            {
                BaseNode newSelectNode = parent.GetChildByIndex(index);
                if (newSelectNode == null)
                {
                    newSelectNode = parent.GetChildByIndex(index - 1);
                    if (newSelectNode == null)
                    {
                        newSelectNode = parent;
                    }
                }
                newSelectNode.OnSelected(true);
                OpDeleleHM hm = new OpDeleleHM
                {
                    parentIndex = NodeManager.GetNodeIndex(parent),
                    childIndex  = index,
                    delNodeData = nd,
                };
                Undo.AddToUndoTask(hm);
            }
        }
        private void OnDeleteClickHandler()
        {
            if (_curSelectedNode == null)
            {
                BarrageProject.LogWarning("Delete fail!Please select a node first");
                return;
            }
            BaseNode parent = _curSelectedNode.GetParentNode();

            if (parent == null)
            {
                BarrageProject.LogWarning("Delete fail!Node root is not deletable");
                return;
            }
            if (!_curSelectedNode.IsDeletable)
            {
                BarrageProject.LogWarning(string.Format("Delete fail!Node {0} is not deletable", _curSelectedNode.GetNodeName()));
                return;
            }
            int      indexInParent = parent.GetChildIndex(_curSelectedNode);
            NodeData nd            = NodeManager.SaveAsNodeData(_curSelectedNode, true);

            // 删除完成之后,默认选中下一个节点
            if (parent.RemoveChildNode(_curSelectedNode))
            {
                BaseNode newSelectNode = parent.GetChildByIndex(indexInParent);
                if (newSelectNode == null)
                {
                    newSelectNode = parent.GetChildByIndex(indexInParent - 1);
                    if (newSelectNode == null)
                    {
                        newSelectNode = parent;
                    }
                }
                newSelectNode.OnSelected(true);
                OpDeleleHM hm = new OpDeleleHM
                {
                    parentIndex = NodeManager.GetNodeIndex(parent),
                    childIndex  = indexInParent,
                    delNodeData = nd,
                };
                Undo.AddToUndoTask(hm);
            }
            //else
            //{
            //    BarrageProject.LogWarning(string.Format("Delete fail!Node {0} is not deletable", _curSelectedNode.GetNodeName()));
            //}
        }
Beispiel #3
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        protected override HistoryMemento OnUndo()
        {
            BaseNode parent = NodeManager.FindNodeByIndex(parentIndex);
            BaseNode child  = parent.GetChildByIndex(childIndex);

            if (parent.RemoveChildNode(child))
            {
                parent.Expand(true);
                parent.OnSelected(true);
                var hm = new OpDeleleHM
                {
                    parentIndex = parentIndex,
                    childIndex  = childIndex,
                    delNodeData = insertNodeData,
                };
                return(hm);
            }
            return(null);
        }