/// <summary>
/// Initializes a new instance of the <see cref="TreeFragment" /> class.
/// </summary>
public TreeFragment()
{
InitializeComponent();
btnAddBranch.Command = new DelegateCommand(() =>
{
if (SelectedItem == null)
{
return;
}
if (Root == null)
{
return;
}
var brc = Root.AddBranch();
CurrentNode = AddNode(null, brc);
});
btnAddChild.Command = new DelegateCommand(() => {
if (CurrentNode == null)
{
return;
}
if (SelectedItem == null)
{
return;
}
var chld = SelectedItem.AddChild();
AddNode(CurrentNode, chld);
});
btnAddFolder.Command = new DelegateCommand(() => {
if (CurrentNode == null)
{
return;
}
if (SelectedItem == null)
{
return;
}
var fld = SelectedItem.AddFolder();
AddNode(CurrentNode, fld);
});
DataContextChanged += (s, e) =>
{
if (e.NewValue is IComposedObject)
{
Root = e.NewValue as IComposedObject;
}
};
}