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edge-modification.ts
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edge-modification.ts
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/********************************************************************************
* Copyright (c) 2021-2023 EclipseSource 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 { hasArrayProp, hasStringProp } from '../utils/type-util';
import { Operation } from './base-protocol';
import { Args, ElementAndRoutingPoints } from './types';
/**
* If the source and/or target element of an edge should be adapted, the client can send a `ReconnectEdgeOperation` to the server.
* The corresponding namespace declares the action kind as constant and offers helper functions for type guard checks
* and creating new `ReconnectEdgeOperations`.
*/
export interface ReconnectEdgeOperation extends Operation {
kind: typeof ReconnectEdgeOperation.KIND;
/**
* The edge element that should be reconnected.
*/
edgeElementId: string;
/**
* The (new) source element of the edge.
*/
sourceElementId: string;
/**
* The (new) target element of the edge.
*/
targetElementId: string;
}
export namespace ReconnectEdgeOperation {
export const KIND = 'reconnectEdge';
export function is(object: unknown): object is ReconnectEdgeOperation {
return (
Operation.hasKind(object, KIND) &&
hasStringProp(object, 'edgeElementId') &&
hasStringProp(object, 'sourceElementId') &&
hasStringProp(object, 'targetElementId')
);
}
export function create(options: {
edgeElementId: string;
sourceElementId: string;
targetElementId: string;
args?: Args;
}): ReconnectEdgeOperation {
return {
kind: KIND,
isOperation: true,
...options
};
}
}
/**
* An edge may have zero or more routing points that "re-direct" the edge between the source and the target element. In order to set these
* routing points the client may send a `ChangeRoutingPointsOperation`.
* The corresponding namespace declares the action kind as constant and offers helper functions for type guard checks
* and creating new `ChangeRoutingPointsOperations`.
*/
export interface ChangeRoutingPointsOperation extends Operation {
kind: typeof ChangeRoutingPointsOperation.KIND;
/**
* The routing points of the edge (may be empty).
*/
newRoutingPoints: ElementAndRoutingPoints[];
}
export namespace ChangeRoutingPointsOperation {
export const KIND = 'changeRoutingPoints';
export function is(object: unknown): object is ChangeRoutingPointsOperation {
return Operation.hasKind(object, KIND) && hasArrayProp(object, 'newRoutingPoints');
}
export function create(newRoutingPoints: ElementAndRoutingPoints[], options: { args?: Args } = {}): ChangeRoutingPointsOperation {
return {
kind: KIND,
isOperation: true,
newRoutingPoints,
...options
};
}
}