//  PipeScore - online bagpipe notation
//  Copyright (C) macarc
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <https://www.gnu.org/licenses/>.

import { IScore } from '../Score';
import { Pitch } from '../global/pitch';

export abstract class ISelection {
  abstract dragging(): boolean;
  abstract dragOverPitch(pitch: Pitch, score: IScore): void;
  abstract mouseDrag(x: number, y: number, score: IScore, page: number): void;
  abstract mouseUp(): void;
  // Returns the new selection if there is one
  abstract delete(score: IScore): ISelection | null;
}