// <summary>
// A converter that organizes several collections into (optional)
// child collections that are put into <see cref="FolderItem"/>
// </summary>
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
//get folder name listing...
var folder = parameter as string ?? String.Empty;
var folders = folder.Split(',').Select(f => f.Trim()).ToList();
//...and make sure there are no missing entries
while (values.Length > folders.Count) folders.Add(String.Empty);
//this is the collection that gets all top level items
var items = new List<object>();
for (int i = 0; i < values.Length; i++)
{
//make sure were working with collections from here...
var childs = values[i] as IEnumerable ?? new List<object> { values[i] };
string folderName = folders[i];
if (folderName != String.Empty)
{
//create folder item and assign childs
var folderItem = new ContainerNode { Name = folderName, Items = childs };
items.Add(folderItem);
}
else
{
//if no folder name was specified, move the item directly to the root item
items.AddRange(childs.Cast<object>());
}
}
return items;
}
float zoom; // а эта нужна для зума колёсиком мышки
#endregion Fields
#region Constructors
public MainWindow()
{
InitializeComponent();
var x = new ObservableCollection<Object>();
var y = new ContainerNode {Items = testProject.Operations, Name = "Operations"};
x.Add(testProject.Settings);
x.Add(y);
OperationsTree.ItemsSource = x;
}