public void OnPasteClickHandler()
{
if (_curSelectedNode == null)
{
BarrageProject.LogWarning("Paste fail!Please select a node first");
return;
}
NodeData nd = default(NodeData);
if (!Clipboard.GetClipboardObject <NodeData>(out nd))
{
return;
}
if (nd == null)
{
BarrageProject.LogWarning("Paste fail!There is no data in clipboard");
return;
}
BaseNode parent;
int insertIndex;
GetParentNodeAndInsertIndexByInsertMode(_curInsertMode, _curSelectedNode, out parent, out insertIndex);
NodeType childType = (NodeType)nd.type;
if (!parent.CheckCanInsertChildNode(childType))
{
string msg = string.Format("can not insert {0} as child of {1}", childType, parent.GetNodeType());
BarrageProject.LogError(msg);
return;
}
BaseNode childNode = NodeManager.CreateNodesByNodeDatas(nd);
if (parent.InsertChildNode(childNode, insertIndex))
{
parent.Expand(true);
childNode.OnSelected(true);
OpPasteHM hm = new OpPasteHM
{
parentIndex = NodeManager.GetNodeIndex(parent),
childIndex = parent.GetChildIndex(childNode),
pasteNodeData = nd,
};
Undo.AddToUndoTask(hm);
}
}
protected override HistoryMemento OnUndo()
{
BaseNode parent = NodeManager.FindNodeByIndex(parentIndex);
NodeType childType = (NodeType)delNodeData.type;
if (parent.CheckCanInsertChildNode(childType))
{
BaseNode child = NodeManager.CreateNodesByNodeDatas(delNodeData);
parent.InsertChildNode(child, childIndex);
parent.Expand(true);
child.OnSelected(true);
var hm = new OpPasteHM
{
parentIndex = parentIndex,
childIndex = childIndex,
pasteNodeData = delNodeData,
};
return(hm);
}
return(null);
}
