public void Do()
{
scene.ClearSelection();
scene.Children.Modify(list =>
{
foreach (var item in items)
{
list.Remove(item);
}
});
scene.SelectLastChild();
scene.Invalidate(new InvalidateArgs(null, InvalidateType.Content));
}
public static void DeleteSelection(this InteractiveScene scene)
{
if (scene.HasSelection)
{
// Create and perform the delete operation
var deleteOperation = new DeleteCommand(scene, scene.SelectedItem);
// Store the operation for undo/redo
scene.UndoBuffer.AddAndDo(deleteOperation);
scene.ClearSelection();
}
}
public static void DeleteSelection(this InteractiveScene scene)
{
var selectedItem = scene.SelectedItem;
if (selectedItem != null)
{
// Create and perform the delete operation
var deleteOperation = new DeleteCommand(scene, selectedItem);
// Store the operation for undo/redo
scene.UndoBuffer.AddAndDo(deleteOperation);
scene.ClearSelection();
scene.Invalidate(new InvalidateArgs(null, InvalidateType.Children));
}
}
/// <summary>
/// Collapse the InsertionGroup into the scene
/// </summary>
public void Collapse()
{
// Drag operation has finished, we need to perform the collapse
var loadedItems = this.Children;
if (loadedItems.Count == 1)
{
var first = loadedItems.First();
if (first.GetType() == typeof(Object3D) &&
first.Mesh == null &&
first.Children.Count == 1)
{
// collapse our first child into this
this.Children.Modify(list =>
{
first.CollapseInto(list, false);
});
}
}
// Collapse our contents into the root of the scene
// of the scene when it loses focus
scene.Children.Modify(list =>
{
this.CollapseInto(list, false);
});
// Create and push the undo operation
foreach (var item in loadedItems)
{
view3DWidget.AddUndoOperation(new InsertCommand(scene, item));
}
if (scene.SelectedItem == this &&
loadedItems.Count > 0)
{
scene.ClearSelection();
foreach (var item in loadedItems)
{
scene.AddToSelection(item);
}
}
}
public DeleteCommand(InteractiveScene scene, IObject3D deletingItem)
{
this.scene = scene;
if (deletingItem is SelectionGroupObject3D)
{
var childrenToAdd = deletingItem.Children;
// push whatever happened to the selection into the objects before saving them
scene.ClearSelection();
// save them in our list
foreach (var item in childrenToAdd)
{
items.Add(item);
}
}
else
{
this.items.Add(deletingItem);
}
}
