@eclipse-glsp/client
Version:
A sprotty-based client for GLSP
116 lines • 5.25 kB
JavaScript
"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ModelChangeService = void 0;
/********************************************************************************
* Copyright (c) 2025 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");
const inversify_1 = require("inversify");
let ModelChangeService = class ModelChangeService {
constructor() {
this.toDispose = new sprotty_1.DisposableCollection();
this.onModelRootChangedEmitter = new sprotty_1.Emitter();
this.onViewportChangedEmitter = new sprotty_1.Emitter();
}
get currentRoot() {
return this._currentRoot;
}
get commandStack() {
return this.lazyInjector.get(sprotty_1.TYPES.ICommandStack);
}
get onModelRootChanged() {
return this.onModelRootChangedEmitter.event;
}
get onViewportChanged() {
return this.onViewportChangedEmitter.event;
}
initialize() {
this.toDispose.push(this.onModelRootChangedEmitter, this.onViewportChangedEmitter);
this.commandStack.onCommandExecuted(data => this.handleCommandExecution(data.command, data.newRoot));
}
dispose() {
this.toDispose.dispose();
}
handleCommandExecution(command, newRoot) {
if (this.isModelRootChangeCommand(command)) {
this.handleModelRootChangeCommand(command, newRoot);
}
if (this.isViewportChangeCommand(command)) {
this.handleViewportChangeCommand(command, newRoot);
}
}
isModelRootChangeCommand(command) {
return command instanceof sprotty_1.SetModelCommand || command instanceof sprotty_1.UpdateModelCommand;
}
isViewportChangeCommand(command) {
return command instanceof sprotty_1.SetViewportCommand || command instanceof sprotty_1.BoundsAwareViewportCommand;
}
handleModelRootChangeCommand(command, newRoot) {
this._currentRoot = newRoot;
this.lastViewport = this.toViewport(newRoot);
this.onModelRootChangedEmitter.fire(newRoot);
}
handleViewportChangeCommand(command, newRoot) {
const viewport = this.toViewport(newRoot);
if (!viewport) {
return;
}
if (this.hasViewportChanged(viewport)) {
this.onViewportChangedEmitter.fire({ newViewport: viewport, oldViewport: this.lastViewport });
this.lastViewport = viewport;
}
}
hasViewportChanged(newViewport) {
if (!this.lastViewport) {
return true;
}
return !((0, sprotty_1.almostEquals)(newViewport.zoom, this.lastViewport.zoom) &&
(0, sprotty_1.almostEquals)(newViewport.scroll.x, this.lastViewport.scroll.x) &&
(0, sprotty_1.almostEquals)(newViewport.scroll.y, this.lastViewport.scroll.y));
}
toViewport(root) {
return (0, sprotty_1.isViewport)(root) ? { scroll: root.scroll, zoom: root.zoom } : undefined;
}
};
exports.ModelChangeService = ModelChangeService;
__decorate([
(0, inversify_1.inject)(sprotty_1.LazyInjector),
__metadata("design:type", Object)
], ModelChangeService.prototype, "lazyInjector", void 0);
__decorate([
(0, inversify_1.postConstruct)(),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], ModelChangeService.prototype, "initialize", null);
__decorate([
(0, inversify_1.preDestroy)(),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], ModelChangeService.prototype, "dispose", null);
exports.ModelChangeService = ModelChangeService = __decorate([
(0, inversify_1.injectable)()
], ModelChangeService);
//# sourceMappingURL=model-change-service.js.map