public SearchView(TreenodeViewModel root)
{
InitializeComponent();
SearchViewModel svm = new SearchViewModel(root);
svm.UIAction = ((uiaction) => Dispatcher.BeginInvoke(uiaction));
this.DataContext = svm;
}
public TreenodeViewModel(Treenode node, TreenodeViewModel parent)
{
this.Treenode = node;
this.Parent = parent;
foreach (Treenode n in Treenode.Children.Cast<Treenode>()) {
children.Add(new TreenodeViewModel(n, this));
}
}
public SearchViewModel(TreenodeViewModel root)
{
RootNode = root;
searchWorker = new BackgroundWorker() {
WorkerReportsProgress = true,
WorkerSupportsCancellation = false
};
searchWorker.DoWork += new DoWorkEventHandler(SearchWorker_DoWork);
searchWorker.ProgressChanged += new ProgressChangedEventHandler(SearchWorker_ProgressChanged);
searchWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(searchWorker_RunWorkerCompleted);
progressUpdateTimer.Elapsed += new ElapsedEventHandler(ProgressUpdateTimer_Elapsed);
SearchCommand = new _SearchCommand(this);
searchDpt = new DepthFirstSearch(TreenodeViewModel.GetTreenode(root));
predicate = ((_SearchCommand)SearchCommand).SearchPredicate;
}
internal static void Write(TreenodeViewModel rootNode, FileStream fs)
{
throw new NotImplementedException();
}
// TODO Remove this duplication of code from Treenode.cs
public static TreenodeViewModel NodeFromPath(string path, TreenodeViewModel relativeTo)
{
if (path == null) throw new ArgumentException("path");
if (relativeTo == null) throw new ArgumentException("relativeTo");
string[] parts = path.Split(new char[] { '/' });
if (parts.Length < 1 || parts[1] != relativeTo.Title) {
// The root node of the search differs
return null;
}
TreenodeViewModel node = relativeTo;
// Start on 2 because of the leading forward slash giving an empty string and the starting nodes being the same
for (int p = 2; p < parts.Length && node != null; p++) {
node = node.Children.FirstOrDefault(s => s.Title == parts[p]);
}
return node;
}
public static Treenode GetTreenode(TreenodeViewModel vm)
{
return vm.Treenode;
}