/// <summary>
/// 给设计节点添加签出信息，如果已签出的模型节点则用本地存储替换原模型
/// </summary>
internal void BindCheckoutInfo(DesignNode node, bool isNewNode)
{
//if (node.NodeType == DesignNodeType.FolderNode || !node.AllowCheckout)
// throw new ArgumentException("不允许绑定签出信息: " + node.NodeType.ToString());
//先判断是否新增的
if (isNewNode)
{
node.CheckoutInfo = new CheckoutInfo(node.NodeType, node.CheckoutInfoTargetID, node.Version,
DesignHub.Session.Name, DesignHub.Session.LeafOrgUnitID);
return;
}
//非新增的比对服务端的签出列表
string key = CheckoutInfo.MakeKey(node.NodeType, node.CheckoutInfoTargetID);
if (_checkouts.TryGetValue(key, out CheckoutInfo checkout))
{
node.CheckoutInfo = checkout;
if (node.IsCheckoutByMe) //如果是被当前用户签出的模型
{
if (node is ModelNode modelNode)
{
//从本地缓存加载
var stagedModel = Staged.FindModel(modelNode.Model.Id);
if (stagedModel != null)
{
modelNode.Model = stagedModel;
}
}
}
}
}
/// <summary>
/// 根据当前选择的节点查找新建文件夹节点的上级节点
/// </summary>
public DesignNode FindNewFolderParentNode(DesignNode selected, out uint appID, out ModelType modelType)
{
appID = 0;
modelType = ModelType.Application;
if (selected == null)
{
return(null);
}
if (selected is ModelRootNode rootNode)
{
appID = rootNode.AppID;
modelType = rootNode.TargetType;
return(selected);
}
if (selected.NodeType == DesignNodeType.FolderNode)
{
ModelFolder folder = ((FolderNode)selected).Folder;
appID = folder.AppId;
modelType = folder.TargetModelType;
return(selected);
}
return(null);
}
public int Add(DesignNode item)
{
item.Parent = owner;
//特定owner找到插入点
if (owner != null && (
owner.NodeType == DesignNodeType.ModelRootNode ||
owner.NodeType == DesignNodeType.FolderNode))
{
var index = -1;
for (var i = 0; i < nodes.Count; i++)
{
if (item.CompareTo(nodes[i]) < 0)
{
index = i;
break;
}
}
if (index != -1)
{
nodes.Insert(index, item);
return(index);
}
nodes.Add(item);
return(nodes.Count - 1);
}
nodes.Add(item);
return(nodes.Count - 1);
}
private static async Task DropModelNodeInside(ModelNode sourceNode, DesignNode targetNode)
{
//注意：目标节点可能是模型根目录
if (targetNode.NodeType == DesignNodeType.ModelRootNode)
{
var rootNode = (ModelRootNode)targetNode;
if (rootNode.AppID != sourceNode.Model.AppId)
{
throw new InvalidOperationException("无法拖动模型节点至不同的Application内");
}
sourceNode.Parent.Nodes.Remove(sourceNode);
targetNode.Nodes.Add(sourceNode);
sourceNode.Model.FolderId = null;
await StagedService.SaveModelAsync(sourceNode.Model); //直接保存
}
else if (targetNode.NodeType == DesignNodeType.FolderNode)
{
var targetFolder = ((FolderNode)targetNode).Folder;
var rootFolder = targetFolder.GetRoot();
if (rootFolder.AppId != sourceNode.Model.AppId)
{
throw new InvalidOperationException("无法拖动模型节点至不同的Application内");
}
sourceNode.Parent.Nodes.Remove(sourceNode);
targetNode.Nodes.Add(sourceNode);
sourceNode.Model.FolderId = targetFolder.Id;
await StagedService.SaveModelAsync(sourceNode.Model); //直接保存
}
else
{
throw new NotSupportedException();
}
}
public async Task <object> Handle(DesignHub hub, InvokeArgs args)
{
int selectedNodeType = args.GetInt32();
string selectedNodeId = args.GetString();
var deleteNode = hub.DesignTree.FindNode((DesignNodeType)selectedNodeType, selectedNodeId);
if (deleteNode == null)
{
throw new Exception("Delete target not exists.");
}
if (!(deleteNode is ModelNode || deleteNode is ApplicationNode ||
deleteNode.NodeType == DesignNodeType.FolderNode && deleteNode.Nodes.Count == 0))
{
throw new Exception("Can not delete it.");
}
DesignNode rootNode = null;
if (deleteNode is ModelNode modelNode)
{
rootNode = await DeleteModelNode(hub, modelNode);
}
else if (deleteNode is ApplicationNode appNode)
{
await DeleteApplicationNode(hub, appNode);
}
else
{
throw ExceptionHelper.NotImplemented(); //rootNode = DeleteFolderNode(hub, deleteNode);
}
//注意：返回rootNode.ID用于前端重新刷新模型根节点
return(rootNode == null ? string.Empty : rootNode.ID);
}
internal int CompareTo(DesignNode other)
{
if (NodeType == other.NodeType)
{
return(string.Compare(Text, other.Text, StringComparison.Ordinal));
}
return(((int)NodeType).CompareTo((int)other.NodeType));
}
public void Remove(DesignNode item)
{
var index = nodes.IndexOf(item);
if (index >= 0)
{
item.Parent = null;
nodes.RemoveAt(index);
}
}
/// <summary>
/// 根据当前选择的节点查询新建模型的上级节点
/// </summary>
public DesignNode FindNewModelParentNode(DesignNode selected, out uint appID, ModelType newModelType)
{
appID = 0;
if (selected == null)
{
return(null);
}
DesignNode target = null;
FindNewModelParentNodeInternal(selected, ref target, ref appID, newModelType);
return(target);
}
private static void FindNewModelParentNodeInternal(DesignNode node, ref DesignNode target,
ref uint appID, ModelType newModelType)
{
if (node == null)
{
return;
}
switch (node.NodeType)
{
case DesignNodeType.FolderNode:
if (target == null)
{
target = node;
}
break;
case DesignNodeType.ModelRootNode:
ModelRootNode modelRootNode = (ModelRootNode)node;
if (newModelType == modelRootNode.TargetType)
{
if (target == null)
{
target = node;
}
appID = modelRootNode.AppID;
return;
}
break;
case DesignNodeType.ApplicationNode:
target = ((ApplicationNode)node).FindModelRootNode(newModelType);
appID = ((ApplicationNode)node).Model.Id;
return;
}
FindNewModelParentNodeInternal(node.Parent, ref target, ref appID, newModelType);
}
/// <summary>
/// 从上至下查找指定设计节点下的最后一个文件夹的索引号
/// </summary>
public int FindLastFolderIndex(DesignNode node)
{
if (node.Nodes.Count == 0 || ((DesignNode)node.Nodes[0]).NodeType != DesignNodeType.FolderNode)
{
return(-1);
}
int r = -1;
for (int i = 0; i < node.Nodes.Count; i++)
{
if (((DesignNode)node.Nodes[i]).NodeType == DesignNodeType.FolderNode)
{
r = i;
}
else
{
return(r);
}
}
return(r);
}
public NodeCollection(DesignNode owner)
{
this.owner = owner;
nodes = new List <DesignNode>();
}
private static DesignNode GetRootNode(DesignNode current)
{
return(current.Parent == null ? current : GetRootNode(current.Parent));
}