@eclipse-glsp/client
Version:
A sprotty-based client for GLSP
66 lines • 2.97 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.GReconnectHandle = exports.reconnectFeature = void 0;
exports.isReconnectable = isReconnectable;
exports.isReconnectHandle = isReconnectHandle;
exports.addReconnectHandles = addReconnectHandles;
exports.removeReconnectHandles = removeReconnectHandles;
exports.isSourceRoutingHandle = isSourceRoutingHandle;
exports.isTargetRoutingHandle = isTargetRoutingHandle;
exports.createReconnectHandle = createReconnectHandle;
/********************************************************************************
* Copyright (c) 2019-2023 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
********************************************************************************/
const sprotty_1 = require("@eclipse-glsp/sprotty");
exports.reconnectFeature = Symbol('reconnectFeature');
function isReconnectable(element) {
return element instanceof sprotty_1.GRoutableElement && element.hasFeature(exports.reconnectFeature);
}
const ROUTING_HANDLE_SOURCE_INDEX = -2;
function isReconnectHandle(element) {
return element !== undefined && element instanceof GReconnectHandle;
}
function addReconnectHandles(element) {
removeReconnectHandles(element);
createReconnectHandle(element, 'source', ROUTING_HANDLE_SOURCE_INDEX);
createReconnectHandle(element, 'target', element.routingPoints.length);
}
function removeReconnectHandles(element) {
element.removeAll(child => child instanceof GReconnectHandle);
}
function isSourceRoutingHandle(edge, routingHandle) {
return routingHandle.pointIndex === ROUTING_HANDLE_SOURCE_INDEX;
}
function isTargetRoutingHandle(edge, routingHandle) {
return routingHandle.pointIndex === edge.routingPoints.length;
}
function createReconnectHandle(edge, kind, routingPointIndex) {
const handle = new GReconnectHandle();
handle.kind = kind;
handle.pointIndex = routingPointIndex;
handle.type = 'routing-point';
if (kind === 'target' && edge.id === sprotty_1.edgeInProgressID) {
handle.id = sprotty_1.edgeInProgressTargetHandleID;
}
edge.add(handle);
return handle;
}
class GReconnectHandle extends sprotty_1.GRoutingHandle {
hasFeature(feature) {
return feature !== sprotty_1.selectFeature && super.hasFeature(feature);
}
}
exports.GReconnectHandle = GReconnectHandle;
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