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LayoutEngine.types.ts
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LayoutEngine.types.ts
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/*******************************************************************************
* Copyright (c) 2023 Obeo.
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
import { Node } from 'reactflow';
import { Diagram, NodeData } from '../DiagramRenderer.types';
import { DiagramNodeType } from '../node/NodeTypes.types';
export interface ILayoutEngine {
layoutNodes(
previousDiagram: Diagram | null,
visibleNodes: Node<NodeData, DiagramNodeType>[],
nodesToLayout: Node<NodeData, DiagramNodeType>[],
forceWidth?: number
);
}
export interface INodeLayoutHandler<T extends NodeData> {
canHandle(node: Node<NodeData, DiagramNodeType>);
handle(
layoutEngine: ILayoutEngine,
previousDiagram: Diagram | null,
node: Node<T>,
visibleNodes: Node<NodeData, DiagramNodeType>[],
directChildren: Node<NodeData, DiagramNodeType>[],
forceWidth?: number
);
}