public List <Node> AttachTo(Node targetParent)
{
List <Node> newlyCreated = new List <Node>();
if (m_clippedNodes.Count == 0)
{
return(newlyCreated);
}
Node actualParent = targetParent;
if (m_clippedNodes.Contains(targetParent) || m_clippedNodes[0].Parent == targetParent.Parent)
{
actualParent = targetParent.Parent;
}
if (actualParent == null)
{
Logging.Instance.Message("SceneClipboard.AttachTo() 时发现目标父节点无效，操作失败。");
return(newlyCreated);
}
List <Node> tmpList = new List <Node>();
foreach (string str in m_clippedContent)
{
Node n = NodeJsonUtil.StringToNode(str);
if (n == null)
{
Logging.Instance.Message("SceneClipboard.AttachTo() 时发现无效节点，操作失败。");
return(newlyCreated);
}
n.Position = n.Position + new System.Drawing.Size(m_offset, m_offset);
tmpList.Add(n);
}
foreach (var node in tmpList)
{
actualParent.Attach(node);
newlyCreated.Add(node);
}
if (m_isCutting)
{
foreach (var node in m_clippedNodes)
{
if (node.Parent != null)
{
node.Parent.Detach(node);
}
}
}
IncrementOffset();
return(newlyCreated);
}
public Node LoadFrom(string targetLocation)
{
try
{
// read JSON directly from a file
using (StreamReader file = File.OpenText(targetLocation))
using (JsonTextReader reader = new JsonTextReader(file))
{
JObject jsonObject = (JObject)JToken.ReadFrom(reader);
return(NodeJsonUtil.JObjectToNode(jsonObject));
}
}
catch (Exception e)
{
Logging.Instance.Log(e.Message);
return(null);
}
}
public bool SetClippedContent(List <Node> nodes, bool isCutting)
{
ClearClippedContent();
// 确保节点列表有效
if (nodes.Count == 0)
{
return(false);
}
// 确保节点列表有共同的父节点
Node parent = nodes[0].Parent;
foreach (Node n in nodes)
{
if (parent != n.Parent)
{
Logging.Instance.Message("待操作的节点没有一个公共的父节点。");
return(false);
}
}
foreach (Node n in nodes)
{
string str = NodeJsonUtil.NodeToString(n);
if (str.Length == 0)
{
Logging.Instance.Message("SetClippedContent() 时发现无效节点，操作失败。");
return(false);
}
m_clippedContent.Add(str);
m_clippedNodes.Add(n);
}
ResetOffset();
m_isCutting = isCutting;
SceneEdEventNotifier.Instance.Emit_RefreshScene(RefreshSceneOpt.Refresh_All);
return(true);
}
public bool SaveTo(Node node, string targetLocation)
{
string text = NodeJsonUtil.NodeToString(node);
if (text.Length == 0)
{
return(false);
}
try
{
using (StreamWriter file = File.CreateText(targetLocation))
{
file.Write(text);
}
}
catch (System.Exception ex)
{
Logging.Instance.LogExceptionDetail(ex);
return(false);
}
return(true);
}
public override void Redo()
{
NodeJsonUtil.PopulateExistingNodeWithString(m_targetNode, m_changedContent);
}
public override void Undo()
{
NodeJsonUtil.PopulateExistingNodeWithString(m_targetNode, m_initialContent);
}
public void ChangeCommitted()
{
m_changedContent = NodeJsonUtil.NodeToString(m_targetNode);
}
public Action_PropertyChange(Node targetNode)
{
m_targetNode = targetNode;
m_initialContent = NodeJsonUtil.NodeToString(m_targetNode);
}
