private void InitializeInstructionTree()
{
InstructionsTree.Items.Clear();
TreeViewItemInstruction instructionTreeNode = CreateInstructionTreeNode(Settings.Default.InstructionsDirectory);
InstructionsTree.Items.Add(instructionTreeNode);
BuildInstructionTreeBranch(instructionTreeNode);
}
private void BuildInstructionTreeBranch(TreeViewItemInstruction selectedNode)
{
string[] directories = Directory.GetDirectories(selectedNode.FullPath);
foreach (string directory in directories)
{
try
{
Directory.GetDirectories(directory);
TreeViewItemInstruction newChild = null;
foreach (TreeViewItemInstruction currentChild in selectedNode.Items)
{
if (currentChild.FullPath == directory)
{
newChild = currentChild;
break;
}
}
if (newChild == null)
{
newChild = CreateInstructionTreeNode(directory);
selectedNode.Items.Add(newChild);
if (directories.Length > 0 && !IsInstructionDirectory(newChild.FullPath))
{
newChild.Expanded += ExpandtInstructionDirectory;
}
}
if (!IsInstructionDirectory(directory))
{
foreach (string subDirectory in Directory.GetDirectories(directory))
{
try
{
//Check for permision.
Directory.GetDirectories(subDirectory);
TreeViewItemInstruction instructionTreeNode = CreateInstructionTreeNode(subDirectory);
newChild.Items.Add(instructionTreeNode);
if (directories.Length > 0)
{
newChild.Expanded += ExpandtInstructionDirectory;
}
}
catch (Exception) { }
}
}
}
catch (Exception) { }
}
}
public void ExpandtInstructionDirectory(object sender, RoutedEventArgs e)
{
TreeViewItemInstruction selectedNode = (TreeViewItemInstruction)sender;
if (!selectedNode.Items.IsEmpty)
{
foreach (TreeViewItemInstruction child in selectedNode.Items)
{
if (!child.Items.IsEmpty)
{
return;
}
}
}
BuildInstructionTreeBranch(selectedNode);
}
private TreeViewItemInstruction CreateInstructionTreeNode(string directoryPath)
{
TreeViewItemInstruction newNode = new TreeViewItemInstruction
{
FullPath = directoryPath
};
if (Path.GetFileName(directoryPath).Trim() == "")
{
newNode.Header = directoryPath;
}
else
{
newNode.Header = Path.GetFileName(directoryPath);
}
if (IsInstructionDirectory(newNode.FullPath))
{
newNode.Selected += InstructionSelected;
newNode.Unselected += InstructionUnselected;
newNode.Background = Brushes.Orange;
}
return(newNode);
}