122 lines
4.8 KiB
JavaScript
122 lines
4.8 KiB
JavaScript
var __extends = (this && this.__extends) || (function () {
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var extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports", "../release/go"], factory);
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}
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})(function (require, exports) {
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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/*
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* Copyright (C) 1998-2017 by Northwoods Software Corporation. All Rights Reserved.
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*/
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var go = require("../release/go");
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// A custom LinkReshapingTool that shows only a single reshape handle on a Bezier curved Link.
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// Dragging that handle changes the value of {@link Link#curviness}.
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/**
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* @constructor
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* @extends LinkReshapingTool
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* @class
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* This CurvedLinkReshapingTool class allows for a Link's path to be modified by the user
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* via the dragging of a single tool handle at the middle of the link.
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*/
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var CurvedLinkReshapingTool = /** @class */ (function (_super) {
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__extends(CurvedLinkReshapingTool, _super);
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function CurvedLinkReshapingTool() {
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var _this = _super !== null && _super.apply(this, arguments) || this;
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/** @type {number} */
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_this._originalCurviness = NaN;
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return _this;
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}
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/**
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* @override
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* @this {CurvedLinkReshapingTool}
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* @param {Shape} pathshape
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* @return {Adornment}
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*/
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CurvedLinkReshapingTool.prototype.makeAdornment = function (pathshape) {
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var link = pathshape.part;
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if (link !== null && link.curve === go.Link.Bezier && link.pointsCount === 4) {
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var adornment = new go.Adornment();
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adornment.type = go.Panel.Link;
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var h = this.makeHandle(pathshape, 0);
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this.setReshapingBehavior(h, go.LinkReshapingTool.All);
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h.cursor = 'move';
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adornment.add(h);
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adornment.category = this.name;
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adornment.adornedObject = pathshape;
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return adornment;
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}
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else {
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return this.makeAdornment.call(this, pathshape);
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}
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};
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;
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/**
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* @override
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* @this {CurvedLinkReshapingTool}
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*/
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CurvedLinkReshapingTool.prototype.doActivate = function () {
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_super.prototype.doActivate.call(this);
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this._originalCurviness = this.adornedLink.curviness;
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};
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;
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/**
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* @override
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* @this {CurvedLinkReshapingTool}
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*/
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CurvedLinkReshapingTool.prototype.doCancel = function () {
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this.adornedLink.curviness = this._originalCurviness;
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_super.prototype.doCancel.call(this);
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};
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;
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/**
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* @override
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* @this {CurvedLinkReshapingTool}
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* @param {Point} newpt
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* @return {Point}
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*/
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CurvedLinkReshapingTool.prototype.reshape = function (newpt) {
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var link = this.adornedLink;
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if (link !== null && link.curve === go.Link.Bezier && link.pointsCount === 4) {
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var start = link.getPoint(0);
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var end = link.getPoint(3);
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var ang = start.directionPoint(end);
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var mid = new go.Point((start.x + end.x) / 2, (start.y + end.y) / 2);
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var a = new go.Point(9999, 0).rotate(ang + 90).add(mid);
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var b = new go.Point(9999, 0).rotate(ang - 90).add(mid);
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var q = newpt.copy().projectOntoLineSegmentPoint(a, b);
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var curviness = Math.sqrt(mid.distanceSquaredPoint(q));
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if (link.fromPort === link.toPort) {
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if (newpt.y < link.fromPort.getDocumentPoint(go.Spot.Center).y)
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curviness = -curviness;
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}
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else {
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var diff = mid.directionPoint(q) - ang;
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if ((diff > 0 && diff < 180) || (diff < -180))
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curviness = -curviness;
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}
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link.curviness = curviness;
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return q;
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}
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else {
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this.reshape.call(this, newpt);
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}
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};
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return CurvedLinkReshapingTool;
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}(go.LinkReshapingTool));
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exports.CurvedLinkReshapingTool = CurvedLinkReshapingTool;
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});
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