wehub-resource-sync
49 lines
1.5 KiB
C#
49 lines
1.5 KiB
C#
#nullable enable
|
|
using T3.Editor.Gui.Interaction.Variations.Model;
|
|
|
|
namespace T3.Editor.UiModel.Commands.Variations;
|
|
|
|
/// <summary>
|
|
/// Reassigns a snapshot/preset's <see cref="Variation.ActivationIndex"/> — the slot it occupies on a
|
|
/// MIDI controller grid. Dropping onto a free slot moves; dropping onto an occupied slot swaps the two
|
|
/// indices, so the controller never ends up with two snapshots fighting over one pad.
|
|
/// </summary>
|
|
internal sealed class ChangeVariationActivationIndexCommand : ICommand
|
|
{
|
|
public string Name => "Reassign snapshot index";
|
|
public bool IsUndoable => true;
|
|
|
|
private readonly SymbolVariationPool _pool;
|
|
private readonly Variation _variation;
|
|
private readonly Variation? _displaced;
|
|
private readonly int _oldIndex;
|
|
private readonly int _newIndex;
|
|
|
|
internal ChangeVariationActivationIndexCommand(SymbolVariationPool pool, Variation variation, int newIndex, Variation? displaced)
|
|
{
|
|
_pool = pool;
|
|
_variation = variation;
|
|
_displaced = displaced;
|
|
_oldIndex = variation.ActivationIndex;
|
|
_newIndex = newIndex;
|
|
}
|
|
|
|
public void Do()
|
|
{
|
|
_variation.ActivationIndex = _newIndex;
|
|
if (_displaced != null)
|
|
_displaced.ActivationIndex = _oldIndex;
|
|
|
|
_pool.SaveVariationsToFile();
|
|
}
|
|
|
|
public void Undo()
|
|
{
|
|
_variation.ActivationIndex = _oldIndex;
|
|
if (_displaced != null)
|
|
_displaced.ActivationIndex = _newIndex;
|
|
|
|
_pool.SaveVariationsToFile();
|
|
}
|
|
}
|