protected override DependencyObject GetContainerForItemOverride()
{
var item = new PathViewItem();
item.MouseEnter += this.PathViewItem_MouseEnter;
item.Expanded += this.PathViewItem_Expanded;
item.Collapsed += this.PathViewItem_Collapsed;
return(item);
}
private void PathViewItem_Collapsed(object sender, RoutedEventArgs e)
{
var item = (PathViewItem)sender;
switch (this.State)
{
case PathViewState.Normal:
//throw new InvalidOperationException();
break;
case PathViewState.Expanding:
this.State = PathViewState.Normal;
this.expandingItem = null;
this.ReleaseMouseCapture();
break;
case PathViewState.Editing:
throw new InvalidOperationException();
default:
throw new InvalidOperationException("Status must be one of PathViewStatus.");
}
}
private void PathViewItem_Expanded(object sender, RoutedEventArgs e)
{
var item = (PathViewItem)sender;
switch (this.State)
{
case PathViewState.Normal:
this.State = PathViewState.Expanding;
this.expandingItem = item;
Mouse.Capture(this, CaptureMode.SubTree);
break;
case PathViewState.Expanding:
//throw new InvalidOperationException();
break;
case PathViewState.Editing:
throw new InvalidOperationException();
default:
throw new InvalidOperationException("Status must be one of PathViewStatus.");
}
}
