mirror of
https://github.com/ppy/osu.git
synced 2024-12-30 13:32:55 +08:00
34 lines
1.4 KiB
C#
34 lines
1.4 KiB
C#
|
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
||
|
|
// See the LICENCE file in the repository root for full licence text.
|
||
|
|
|
||
|
|
using osu.Game.Rulesets.Objects;
|
||
|
|
|
||
|
|
namespace osu.Game.Screens.Edit
|
||
|
|
{
|
||
|
|
/// <summary>
|
||
|
|
/// Interface for a component that manages changes in the <see cref="Editor"/>.
|
||
|
|
/// </summary>
|
||
|
|
public interface IEditorChangeHandler
|
||
|
|
{
|
||
|
|
/// <summary>
|
||
|
|
/// Begins a bulk state change event. <see cref="EndChange"/> should be invoked soon after.
|
||
|
|
/// </summary>
|
||
|
|
/// <remarks>
|
||
|
|
/// This should be invoked when multiple changes to the <see cref="Editor"/> should be bundled together into one state change event.
|
||
|
|
/// When nested invocations are involved, a state change will not occur until an equal number of invocations of <see cref="EndChange"/> are received.
|
||
|
|
/// </remarks>
|
||
|
|
/// <example>
|
||
|
|
/// When a group of <see cref="HitObject"/>s are deleted, a single undo and redo state change should update the state of all <see cref="HitObject"/>.
|
||
|
|
/// </example>
|
||
|
|
void BeginChange();
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Ends a bulk state change event.
|
||
|
|
/// </summary>
|
||
|
|
/// <remarks>
|
||
|
|
/// This should be invoked as soon as possible after <see cref="BeginChange"/> to cause a state change.
|
||
|
|
/// </remarks>
|
||
|
|
void EndChange();
|
||
|
|
}
|
||
|
|
}
|