public FileTreeModel GetModelFor(string fullPath, bool isFile)
{
if (fullPath.Length <= this._rootDir.Length)
{
return(null);
}
FileTreeModel existingModel;
if (!this._lookup.TryGetValue(fullPath, out existingModel))
{
existingModel = new FileTreeModel(fullPath, this, isFile);
this._lookup[fullPath] = existingModel;
if (existingModel.Parent == null)
{
this._children.Add(existingModel);
}
}
return(existingModel);
}
private bool FilterNodes(FileTreeModel arg)
{
this.EnsureFilterRun();
return(this._filterMatches.Contains(arg));
}
private void EnsureFilterRun()
{
if (string.Equals(this._lastSearchText, this._searchText) && this._lastShowAllFiles == this._showAllFiles && this._visibleNodes != null)
{
return;
}
string searchText = this._searchText;
bool showAllFiles = this._showAllFiles;
HashSet <FileTreeModel> visibleNodes = new HashSet <FileTreeModel>();
HashSet <FileTreeModel> filterMatches = new HashSet <FileTreeModel>();
HashSet <FileTreeModel> directGlobMatches = new HashSet <FileTreeModel>();
foreach (FileTreeModel model in this.TreeRoot.AllFiles)
{
if (visibleNodes.Contains(model))
{
continue;
}
bool globMatch = Helpers.CheckGlobbing(model.FullPath, this._pattern);
if (globMatch)
{
directGlobMatches.Add(model);
filterMatches.Add(model);
FileTreeModel parent = model.Parent;
while (parent != null)
{
//If something else has already added our parent, it's already added the whole parent tree, bail.
if (!filterMatches.Add(parent))
{
break;
}
parent = parent.Parent;
}
}
else
{
FileTreeModel parent = model.Parent;
while (parent != null)
{
//If we're included by a direct glob match (even though this model isn't one itself)...
if (directGlobMatches.Contains(parent))
{
filterMatches.Add(model);
globMatch = true;
parent = model.Parent;
while (parent != null)
{
//If something else has already added our parent, it's already added the whole parent tree, bail.
if (!filterMatches.Add(parent))
{
break;
}
parent = parent.Parent;
}
break;
}
parent = parent.Parent;
}
}
bool isVisible = showAllFiles || globMatch;
bool explicitMatch = globMatch;
if (!string.IsNullOrEmpty(searchText))
{
bool searchMatch = model.Name.IndexOf(searchText, StringComparison.OrdinalIgnoreCase) > -1;
explicitMatch |= searchMatch;
isVisible &= searchMatch;
}
model.IsExpanded = globMatch;
if (isVisible)
{
visibleNodes.Add(model);
FileTreeModel parent = model.Parent;
while (parent != null)
{
//If something else has already added our parent, it's already added the whole parent tree, bail.
if (!visibleNodes.Add(parent) && (!explicitMatch || parent.IsExpanded))
{
break;
}
if (explicitMatch)
{
parent.IsExpanded = true;
}
parent = parent.Parent;
}
}
}
if (string.Equals(searchText, this._searchText) && showAllFiles == this._showAllFiles)
{
this._filterMatches = filterMatches;
this._visibleNodes = visibleNodes;
this._lastShowAllFiles = showAllFiles;
this._lastSearchText = searchText;
}
}
private bool CheckVisibility(FileTreeModel arg)
{
this.EnsureFilterRun();
return(this._visibleNodes.Contains(arg));
}
