void drag_Completed(DragListener drag)
{
if (operation != null)
{
if (drag.IsCanceled)
{
operation.Abort();
}
else
{
operation.Commit();
}
operation = null;
}
else
{
if (drag.IsCanceled)
{
changeGroup.Abort();
}
else
{
changeGroup.Commit();
}
changeGroup = null;
}
_isResizing = false;
HideSizeAndShowHandles();
}
/// <summary>
/// Deletes the specified components from their parent containers.
/// If the deleted components are currently selected, they are deselected before they are deleted.
/// </summary>
public static void DeleteComponents(ICollection <DesignItem> items)
{
DesignItem parent = items.First().Parent;
PlacementOperation operation = PlacementOperation.Start(items, PlacementType.Delete);
try {
ISelectionService selectionService = items.First().Services.Selection;
selectionService.SetSelectedComponents(items, SelectionTypes.Remove);
// if the selection is empty after deleting some components, select the parent of the deleted component
if (selectionService.SelectionCount == 0 && !items.Contains(parent))
{
selectionService.SetSelectedComponents(new DesignItem[] { parent });
}
foreach (var designItem in items)
{
designItem.Name = null;
}
var service = parent.Services.Component as XamlComponentService;
foreach (var item in items)
{
service.RaiseComponentRemoved(item);
}
operation.DeleteItemsAndCommit();
} catch {
operation.Abort();
throw;
}
}
public void Cancel()
{
if (operation != null)
{
operation.Abort();
operation = null;
}
}
/// <summary>
/// Deletes the specified components from their parent containers.
/// If the deleted components are currently selected, they are deselected before they are deleted.
/// </summary>
public static void DeleteComponents(ICollection <DesignItem> deleteItems)
{
if (deleteItems.Count > 0)
{
var changeGroup = deleteItems.First().OpenGroup("Delete Items");
try
{
var itemsGrpParent = deleteItems.GroupBy(x => x.Parent);
foreach (var itemsList in itemsGrpParent)
{
var items = itemsList.ToList();
DesignItem parent = items.First().Parent;
PlacementOperation operation = PlacementOperation.Start(items, PlacementType.Delete);
try
{
ISelectionService selectionService = items.First().Services.Selection;
selectionService.SetSelectedComponents(items, SelectionTypes.Remove);
// if the selection is empty after deleting some components, select the parent of the deleted component
if (selectionService.SelectionCount == 0 && !items.Contains(parent))
{
selectionService.SetSelectedComponents(new[] { parent });
}
foreach (var designItem in items)
{
designItem.Name = null;
}
var service = parent.Services.Component as XamlComponentService;
foreach (var item in items)
{
service.RaiseComponentRemoved(item);
}
operation.DeleteItemsAndCommit();
}
catch
{
operation.Abort();
throw;
}
}
changeGroup.Commit();
}
catch
{
changeGroup.Abort();
throw;
}
}
}
protected override void OnStopped()
{
if (operation != null)
{
operation.Abort();
operation = null;
}
if (changeGroup != null)
{
changeGroup.Abort();
changeGroup = null;
}
if (services.Tool.CurrentTool is CreateComponentTool)
{
services.Tool.CurrentTool = services.Tool.PointerTool;
}
base.OnStopped();
}
