public TVIViewModel(TVIModel model, TVIViewModel parent, bool lazyLoadChildren)
{
Tvim = model;
this.parent = parent;
Tvim.Depth = parent == null ? 0 : parent.Tvim.Depth + 1;
children = new SIEETreeView(null);
if (lazyLoadChildren && Tvim.IsFolder)
{
children.Add(DummyChild);
}
}
public FilesystemFolder(TVIModel parent, string name)
{
foreach (DirectoryInfo di in ((FilesystemFolder)parent).DirInfo.GetDirectories())
{
if (di.Name.ToLower() == name.ToLower())
{
DirInfo = di;
FolderPath = Path.Combine(((FilesystemFolder)parent).FolderPath, di.Name);
break;
}
}
}
// Open the tree view according to the serialzed path.
// Expands all nodes on the way
public TVIViewModel InitializeTree(List <string> serializedPath, Type modelType)
{
if (serializedPath == null)
{
return(null);
}
SIEETreeView currentTree = this;
TVIViewModel currItem = null;
try
{
for (int i = 0; i != serializedPath.Count; i++)
{
TVIModel tvim = (TVIModel)TVIViewModel.deSerialize(serializedPath[i], modelType);
currItem = currentTree.findChild(tvim.Id);
if (currItem == null)
{
throw new Exception(tvim.DisplayName + " not found");
}
currItem.IsExpanded = true;
currItem.IsSelected = true;
currentTree = currItem.Children;
}
}
catch (Exception e)
{
string errMsg = "No items in tree view";
string title = "Error";
if (this.Count() > 0)
{
TVIModel someModel = this[0].Tvim;
errMsg = "Could not locate " + someModel.GetTypeName() + ". Reason:\n" + e.Message;
title = "Navigate to " + someModel.GetTypeName();
}
SIEEMessageBox.Show(errMsg, title, System.Windows.MessageBoxImage.Error);
}
return(currItem);
}