sprotty
Version:
A next-gen framework for graphical views
55 lines • 2.71 kB
JavaScript
;
/********************************************************************************
* Copyright (c) 2020 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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ShapeView = void 0;
const inversify_1 = require("inversify");
const geometry_1 = require("sprotty-protocol/lib/utils/geometry");
const model_1 = require("./model");
let ShapeView = class ShapeView {
/**
* Check whether the given model element is in the current viewport. Use this method
* in your `render` implementation to skip rendering in case the element is not visible.
* This can greatly enhance performance for large models.
*/
isVisible(model, context) {
if (context.targetKind === 'hidden') {
// Don't hide any element for hidden rendering
return true;
}
if (!geometry_1.Dimension.isValid(model.bounds)) {
// We should hide only if we know the element's bounds
return true;
}
const ab = (0, model_1.getAbsoluteBounds)(model);
const canvasBounds = model.root.canvasBounds;
return ab.x <= canvasBounds.width
&& ab.x + ab.width >= 0
&& ab.y <= canvasBounds.height
&& ab.y + ab.height >= 0;
}
};
exports.ShapeView = ShapeView;
exports.ShapeView = ShapeView = __decorate([
(0, inversify_1.injectable)()
], ShapeView);
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