sprotty/lib/features/viewport/center-fit.d.ts

A next-gen framework for graphical views

/********************************************************************************
 * Copyright (c) 2017-2023 TypeFox and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/
import { Action, CenterAction, FitToScreenAction } from 'sprotty-protocol/lib/actions';
import { Viewport } from 'sprotty-protocol/lib/model';
import { Bounds } from 'sprotty-protocol/lib/utils/geometry';
import { Command, CommandExecutionContext, CommandReturn } from '../../base/commands/command';
import { SModelElementImpl, SModelRootImpl } from '../../base/model/smodel';
import { KeyListener } from '../../base/views/key-tool';
import { ViewerOptions } from '../../base/views/viewer-options';
export declare abstract class BoundsAwareViewportCommand extends Command {
    protected readonly animate: boolean;
    protected viewerOptions: ViewerOptions;
    oldViewport: Viewport;
    newViewport?: Viewport;
    constructor(animate: boolean);
    protected initialize(model: SModelRootImpl): void;
    protected boundsInViewport(element: SModelElementImpl, bounds: Bounds, viewport: SModelRootImpl & Viewport): Bounds;
    protected abstract getNewViewport(bounds: Bounds, model: SModelRootImpl): Viewport | undefined;
    protected abstract getElementIds(): string[];
    execute(context: CommandExecutionContext): CommandReturn;
    undo(context: CommandExecutionContext): CommandReturn;
    redo(context: CommandExecutionContext): CommandReturn;
    protected equal(vp1: Viewport, vp2: Viewport): boolean;
}
export declare class CenterCommand extends BoundsAwareViewportCommand {
    protected action: CenterAction;
    static readonly KIND = "center";
    constructor(action: CenterAction);
    getElementIds(): string[];
    getNewViewport(bounds: Bounds, model: SModelRootImpl): Viewport | undefined;
}
export declare class FitToScreenCommand extends BoundsAwareViewportCommand {
    protected readonly action: FitToScreenAction;
    static readonly KIND = "fit";
    constructor(action: FitToScreenAction);
    getElementIds(): string[];
    getNewViewport(bounds: Bounds, model: SModelRootImpl): Viewport | undefined;
}
export declare class CenterKeyboardListener extends KeyListener {
    keyDown(element: SModelElementImpl, event: KeyboardEvent): Action[];
}
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