private void MoveThumb_DragStarted(object sender, DragStartedEventArgs e)
{
this.designerItem = DataContext as DesignerItem;
if (this.designerItem != null)
{
this.designerCanvas = VisualHelper.FindAnchestor <DrawingLayer>(this.designerItem);
}
}
private void ResizeThumb_DragStarted(object sender, DragStartedEventArgs e)
{
this.designerItem = DataContext as DesignerItem;
if (this.designerItem != null)
{
this.designerCanvas = VisualHelper.FindAnchestor <DrawingLayer>(this.designerItem) as DrawingLayer;
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this.designerCanvas);
if (adornerLayer != null)
{
this.adorner = new SizeAdorner(this.designerItem);
adornerLayer.Add(this.adorner);
}
}
}
void _drager_OnContinueDrag(object sender, MouseEventArgs e)
{
try
{
// Get the dragged ListViewItem
ListViewItem item = VisualHelper.FindAnchestor <ListViewItem>((DependencyObject)e.OriginalSource);
if (item != null)
{
object associatedData = this.ItemContainerGenerator.ItemFromContainer(item);
_drager.DragDropContinue(associatedData != null);
}
}
catch (Exception err)
{
LogHelper.Manage("ExtendedlistView:drag_OnStartDrag", err);
}
}
void drag_OnStartDrag(object sender, MouseEventArgs e)
{
try
{
// Get the dragged ListViewItem
ListViewItem item = VisualHelper.FindAnchestor <ListViewItem>((DependencyObject)e.OriginalSource);
if (item != null)
{
object associatedData = this.ItemContainerGenerator.ItemFromContainer(item);
// Find the data behind the item + Initialize the drag & drop operation
DataObject dragData = new DataObject(DragAndDropID, associatedData);
_drager.DoDragDrop(dragData, item);
}
}
catch (Exception err)
{
LogHelper.Manage("ExtendedlistView:drag_OnStartDrag", err);
}
}
protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
{
base.OnPreviewMouseDown(e);
DrawingLayer designer = VisualHelper.FindAnchestor <DrawingLayer>(this) as DrawingLayer;
if (designer != null)
{
if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
{
this.IsSelected = !this.IsSelected;
}
else
{
if (!this.IsSelected)
{
designer.DeselectAll();
this.IsSelected = true;
}
}
}
e.Handled = false;
}