sprotty
Version:
A next-gen framework for graphical views
79 lines • 3.82 kB
JavaScript
;
/********************************************************************************
* Copyright (c) 2018 TypeFox 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
********************************************************************************/
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);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DeleteElementCommand = exports.ResolvedDelete = exports.isDeletable = exports.deletableFeature = void 0;
const inversify_1 = require("inversify");
const actions_1 = require("sprotty-protocol/lib/actions");
const command_1 = require("../../base/commands/command");
const smodel_1 = require("../../base/model/smodel");
const types_1 = require("../../base/types");
exports.deletableFeature = Symbol('deletableFeature');
function isDeletable(element) {
return element instanceof smodel_1.SChildElementImpl && element.hasFeature(exports.deletableFeature);
}
exports.isDeletable = isDeletable;
class ResolvedDelete {
}
exports.ResolvedDelete = ResolvedDelete;
let DeleteElementCommand = class DeleteElementCommand extends command_1.Command {
constructor(action) {
super();
this.action = action;
this.resolvedDeletes = [];
}
execute(context) {
const index = context.root.index;
for (const id of this.action.elementIds) {
const element = index.getById(id);
if (element && isDeletable(element)) {
this.resolvedDeletes.push({ child: element, parent: element.parent });
element.parent.remove(element);
}
}
return context.root;
}
undo(context) {
for (const resolvedDelete of this.resolvedDeletes)
resolvedDelete.parent.add(resolvedDelete.child);
return context.root;
}
redo(context) {
for (const resolvedDelete of this.resolvedDeletes)
resolvedDelete.parent.remove(resolvedDelete.child);
return context.root;
}
};
exports.DeleteElementCommand = DeleteElementCommand;
DeleteElementCommand.KIND = actions_1.DeleteElementAction.KIND;
exports.DeleteElementCommand = DeleteElementCommand = __decorate([
(0, inversify_1.injectable)(),
__param(0, (0, inversify_1.inject)(types_1.TYPES.Action)),
__metadata("design:paramtypes", [Object])
], DeleteElementCommand);
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