public IEnumerable <TreeNode> EnumerateDataFiles <T>(DataSubFolder subFolder,
Func <FileInfo, DataFile <T> > fileParser,
SearchOption searchOption = SearchOption.TopDirectoryOnly)
where T : class
{
switch (searchOption)
{
case SearchOption.AllDirectories:
return
(from dataFolder in EnumerateDataFolders(subFolder)
let treeNode = new TreeNode(dataFolder.Name)
{
Tag = dataFolder
}
where treeNode.AddChildrenIfAny(
dataFolder.EnumerateDataFiles(fileParser),
DataFileToTreeNode)
select treeNode);
case SearchOption.TopDirectoryOnly:
return
(new DataFolder(OpenSubFolder(subFolder))
.EnumerateDataFiles(fileParser)
.Select(DataFileToTreeNode));
default:
throw new ArgumentException(searchOption + " is not implemented!", "searchOption");
}
}
private async Task AddDataFilesToTreeAsync <T>(DataSubFolder subFolder,
Func <FileInfo, DataFile <T> > fileParser,
SearchOption searchOption = SearchOption.TopDirectoryOnly)
where T : class
{
var dataFiles = dataManagerComponent.EnumerateDataFiles(subFolder, fileParser, searchOption);
treeViewUnits.Nodes["Node" + subFolder].Nodes.AddRange(await Task.Run(() => dataFiles.ToArray()));
}
private DirectoryInfo OpenSubFolder(DataSubFolder subFolder)
{
return(DataDirectory.EnumerateDirectories(subFolder.ToString()).Single());
}
public IEnumerable <DataFolder> EnumerateDataFolders(DataSubFolder subFolder)
{
return(OpenSubFolder(subFolder).EnumerateDirectories().Select(childDir => new DataFolder(childDir)));
}
