@eclipse-glsp/client
Version:
A sprotty-based client for GLSP
92 lines • 4.91 kB
JavaScript
;
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;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.PositionSnapper = void 0;
/********************************************************************************
* Copyright (c) 2023-2024 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");
const model_1 = require("../helper-lines/model");
/**
* @deprecated The use of this class is discouraged. Use the {@link ChangeBoundsManager.createTracker}
* instead which centralized a few aspects of the tracking.
*/
let PositionSnapper = class PositionSnapper {
constructor(snapper, helperLineManager) {
this.snapper = snapper;
this.helperLineManager = helperLineManager;
}
snapPosition(position, element, isSnap = true) {
return isSnap && this.snapper ? this.snapper.snap(position, element) : { x: position.x, y: position.y };
}
snapDelta(positionDelta, element, isSnap, directions) {
const delta = this.snapPosition(positionDelta, element, isSnap);
const minimumDelta = this.getMinimumDelta(element, isSnap, directions);
if (!minimumDelta) {
return delta;
}
delta.x = Math.abs(delta.x) >= minimumDelta.x ? delta.x : 0;
delta.y = Math.abs(delta.y) >= minimumDelta.y ? delta.y : 0;
return delta;
}
getMinimumDelta(target, isSnap, directions) {
return this.getHelperLineMinimum(target, isSnap, directions);
}
getHelperLineMinimum(target, isSnap, directions) {
if (!this.helperLineManager) {
return undefined;
}
const helperLines = target.root.children.filter(child => (0, model_1.isHelperLine)(child));
if (helperLines.length === 0) {
return undefined;
}
const minimum = { x: 0, y: 0 };
if (directions.includes(model_1.Direction.Left) && helperLines.some(line => line.isLeft || line.isCenter)) {
minimum.x = this.helperLineManager.getMinimumMoveDelta(target, isSnap, model_1.Direction.Left);
}
else if (directions.includes(model_1.Direction.Right) && helperLines.some(line => line.isRight || line.isCenter)) {
minimum.x = this.helperLineManager.getMinimumMoveDelta(target, isSnap, model_1.Direction.Right);
}
if (directions.includes(model_1.Direction.Up) && helperLines.some(line => line.isTop || line.isMiddle)) {
minimum.y = this.helperLineManager.getMinimumMoveDelta(target, isSnap, model_1.Direction.Up);
}
else if (directions.includes(model_1.Direction.Down) && helperLines.some(line => line.isBottom || line.isMiddle)) {
minimum.y = this.helperLineManager.getMinimumMoveDelta(target, isSnap, model_1.Direction.Down);
}
return minimum;
}
};
exports.PositionSnapper = PositionSnapper;
exports.PositionSnapper = PositionSnapper = __decorate([
(0, inversify_1.injectable)(),
__param(0, (0, inversify_1.optional)()),
__param(0, (0, inversify_1.inject)(sprotty_1.TYPES.ISnapper)),
__param(1, (0, inversify_1.optional)()),
__param(1, (0, inversify_1.inject)(sprotty_1.TYPES.IHelperLineManager)),
__metadata("design:paramtypes", [Object, Object])
], PositionSnapper);
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