gojs
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Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
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JavaScript
/*
* Copyright (C) 1998-2020 by Northwoods Software Corporation. All Rights Reserved.
*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports", "../release/go.js"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/*
* This is an extension and not part of the main GoJS library.
* Note that the API for this class may change with any version, even point releases.
* If you intend to use an extension in production, you should copy the code to your own source directory.
* Extensions can be found in the GoJS kit under the extensions or extensionsTS folders.
* See the Extensions intro page (https://gojs.net/latest/intro/extensions.html) for more information.
*/
var go = require("../release/go.js");
/**
* This custom {@link Link} class customizes its route to go parallel to other links connecting the same ports,
* if the link is not orthogonal and is not Bezier curved.
*
* If you want to experiment with this extension, try the <a href="../../extensionsTS/ParallelRoute.html">Parallel Route Links</a> sample.
* @category Part Extension
*/
var ParallelRouteLink = /** @class */ (function (_super) {
__extends(ParallelRouteLink, _super);
function ParallelRouteLink() {
return _super !== null && _super.apply(this, arguments) || this;
}
/**
* Constructs the link's route by modifying {@link #points}.
* @return {boolean} true if it computed a route of points
*/
ParallelRouteLink.prototype.computePoints = function () {
var result = _super.prototype.computePoints.call(this);
if (!this.isOrthogonal && this.curve !== go.Link.Bezier && this.hasCurviness()) {
var curv = this.computeCurviness();
if (curv !== 0) {
var num = this.pointsCount;
var pidx = 0;
var qidx = num - 1;
if (num >= 4) {
pidx++;
qidx--;
}
var frompt = this.getPoint(pidx);
var topt = this.getPoint(qidx);
var dx = topt.x - frompt.x;
var dy = topt.y - frompt.y;
var mx = frompt.x + dx * 1 / 8;
var my = frompt.y + dy * 1 / 8;
var px = mx;
var py = my;
if (-0.01 < dy && dy < 0.01) {
if (dx > 0)
py -= curv;
else
py += curv;
}
else {
var slope = -dx / dy;
var e = Math.sqrt(curv * curv / (slope * slope + 1));
if (curv < 0)
e = -e;
px = (dy < 0 ? -1 : 1) * e + mx;
py = slope * (px - mx) + my;
}
mx = frompt.x + dx * 7 / 8;
my = frompt.y + dy * 7 / 8;
var qx = mx;
var qy = my;
if (-0.01 < dy && dy < 0.01) {
if (dx > 0)
qy -= curv;
else
qy += curv;
}
else {
var slope = -dx / dy;
var e = Math.sqrt(curv * curv / (slope * slope + 1));
if (curv < 0)
e = -e;
qx = (dy < 0 ? -1 : 1) * e + mx;
qy = slope * (qx - mx) + my;
}
this.insertPointAt(pidx + 1, px, py);
this.insertPointAt(qidx + 1, qx, qy);
}
}
return result;
};
return ParallelRouteLink;
}(go.Link));
exports.ParallelRouteLink = ParallelRouteLink;
});