wisemapping-frontend/packages/mindplot/src/components/DesignerActionRunner.ts

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/*
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* Copyright [2021] [wisemapping]
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*
* Licensed under WiseMapping Public License, Version 1.0 (the "License").
* It is basically the Apache License, Version 2.0 (the "License") plus the
* "powered by wisemapping" text requirement on every single page;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the license at
*
* http://www.wisemapping.org/license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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import { $assert } from '@wisemapping/core-js';
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import ActionDispatcher from './ActionDispatcher';
import Command from './Command';
import CommandContext from './CommandContext';
import DesignerUndoManager from './DesignerUndoManager';
import EventBus from './layout/EventBus';
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class DesignerActionRunner {
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private _undoManager: DesignerUndoManager;
private _context: CommandContext;
private _actionDisplatcher: ActionDispatcher;
constructor(commandContext: CommandContext, notifier: ActionDispatcher) {
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$assert(commandContext, 'commandContext can not be null');
this._undoManager = new DesignerUndoManager();
this._context = commandContext;
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this._actionDisplatcher = notifier;
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}
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execute(command: Command): void {
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$assert(command, 'command can not be null');
command.execute(this._context);
this._undoManager.enqueue(command);
this.fireChangeEvent();
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EventBus.instance.fireEvent('forceLayout');
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}
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undo(): void {
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this._undoManager.execUndo(this._context);
this.fireChangeEvent();
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EventBus.instance.fireEvent('forceLayout');
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}
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redo(): void {
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this._undoManager.execRedo(this._context);
this.fireChangeEvent();
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EventBus.instance.fireEvent('forceLayout');
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}
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fireChangeEvent(): void {
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const event = this._undoManager.buildEvent();
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this._actionDisplatcher.fireEvent('modelUpdate', event);
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}
}
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export default DesignerActionRunner;