215 lines
8.5 KiB
JavaScript
215 lines
8.5 KiB
JavaScript
var __extends = (this && this.__extends) || (function () {
|
|
var 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 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"], factory);
|
|
}
|
|
})(function (require, exports) {
|
|
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
/*
|
|
* Copyright (C) 1998-2017 by Northwoods Software Corporation. All Rights Reserved.
|
|
*/
|
|
var go = require("../release/go");
|
|
// A custom Layout that lays out a chain of nodes in a spiral
|
|
/**
|
|
* @constructor
|
|
* @extends Layout
|
|
* @class
|
|
* This layout assumes the graph is a chain of Nodes,
|
|
* {@link #spacing} controls the spacing between nodes.
|
|
*/
|
|
var SpiralLayout = /** @class */ (function (_super) {
|
|
__extends(SpiralLayout, _super);
|
|
function SpiralLayout() {
|
|
var _this = _super !== null && _super.apply(this, arguments) || this;
|
|
_this._radius = NaN;
|
|
_this._spacing = 10;
|
|
_this._clockwise = true;
|
|
return _this;
|
|
}
|
|
/**
|
|
* @ignore
|
|
* Copies properties to a cloned Layout.
|
|
* @this {SpiralLayout}
|
|
* @param {Layout} copy
|
|
* @override
|
|
*/
|
|
SpiralLayout.prototype.cloneProtected = function (copy) {
|
|
_super.prototype.cloneProtected.call(this, copy);
|
|
copy._radius = this._radius;
|
|
copy._spacing = this._spacing;
|
|
copy._clockwise = this._clockwise;
|
|
};
|
|
;
|
|
/**
|
|
* This method actually positions all of the Nodes, assuming that the ordering of the nodes
|
|
* is given by a single link from one node to the next.
|
|
* This respects the {@link #spacing} property to affect the layout.
|
|
* @this {SpiralLayout}
|
|
* @param {Diagram|Group|Iterable} coll the collection of Parts to layout.
|
|
*/
|
|
SpiralLayout.prototype.doLayout = function (coll) {
|
|
if (this.network === null) {
|
|
this.network = this.makeNetwork(coll);
|
|
}
|
|
this.arrangementOrigin = this.initialOrigin(this.arrangementOrigin);
|
|
var originx = this.arrangementOrigin.x;
|
|
var originy = this.arrangementOrigin.y;
|
|
var root = null;
|
|
// find a root vertex -- one without any incoming edges
|
|
var it = this.network.vertexes.iterator;
|
|
while (it.next()) {
|
|
var v = it.value;
|
|
if (root === null)
|
|
root = v; // in case there are only circles
|
|
if (v.sourceEdges.count === 0) {
|
|
root = v;
|
|
break;
|
|
}
|
|
}
|
|
// couldn't find a root vertex
|
|
if (root === null) {
|
|
this.network = null;
|
|
return;
|
|
}
|
|
var space = this.spacing;
|
|
var cw = (this.clockwise ? 1 : -1);
|
|
var rad = this.radius;
|
|
if (rad <= 0 || isNaN(rad) || !isFinite(rad))
|
|
rad = this.diameter(root) / 4;
|
|
// treat the root node specially: it goes in the center
|
|
var dia = this.diameter(root);
|
|
var angle = cw * Math.PI;
|
|
root.centerX = originx;
|
|
root.centerY = originy;
|
|
var edge = root.destinationEdges.first();
|
|
if (edge !== null && edge.link !== null)
|
|
edge.link.curviness = cw * rad;
|
|
// now locate each of the following nodes, in order, along a spiral
|
|
var vert = (edge !== null ? edge.toVertex : null);
|
|
while (vert !== null) {
|
|
// involute spiral
|
|
var cos = Math.cos(angle);
|
|
var sin = Math.sin(angle);
|
|
var x = rad * (cos + angle * sin);
|
|
var y = rad * (sin - angle * cos);
|
|
// the link might connect to a member node of a group
|
|
if (vert.node instanceof go.Group && edge.link.toNode !== vert.node) {
|
|
var offset = edge.link.toNode.location.copy().subtract(vert.node.location);
|
|
x -= offset.x;
|
|
y -= offset.y;
|
|
}
|
|
vert.centerX = x + originx;
|
|
vert.centerY = y + originy;
|
|
var nextedge = vert.destinationEdges.first();
|
|
var nextvert = (nextedge !== null ? nextedge.toVertex : null);
|
|
// clockwise curves want positive Link.curviness
|
|
if (this.isRouting && nextedge !== null && nextedge.link !== null) {
|
|
if (!isNaN(nextedge.link.curviness)) {
|
|
var c = nextedge.link.curviness;
|
|
nextedge.link.curviness = cw * Math.abs(c);
|
|
}
|
|
}
|
|
// determine next node's angle
|
|
var dia = this.diameter(vert) / 2 + this.diameter(nextvert) / 2;
|
|
angle += cw * Math.atan((dia + space) / Math.sqrt(x * x + y * y));
|
|
edge = nextedge;
|
|
vert = nextvert;
|
|
}
|
|
this.updateParts();
|
|
this.network = null;
|
|
};
|
|
;
|
|
/**
|
|
* @ignore
|
|
* Compute the effective diameter of a Node.
|
|
* @this {SpiralLayout}
|
|
* @param {LayoutVertex} v
|
|
* @return {number}
|
|
*/
|
|
SpiralLayout.prototype.diameter = function (v) {
|
|
if (!v)
|
|
return 0;
|
|
var b = v.bounds;
|
|
return Math.sqrt(b.width * b.width + b.height * b.height);
|
|
};
|
|
;
|
|
Object.defineProperty(SpiralLayout.prototype, "radius", {
|
|
// Public properties
|
|
/**
|
|
* Gets or sets the radius distance.
|
|
* The default value is NaN.
|
|
* @name SpiralLayout#radius
|
|
* @function.
|
|
* @return {number}
|
|
*/
|
|
get: function () { return this._radius; },
|
|
set: function (val) {
|
|
if (typeof val !== "number")
|
|
throw new Error("new value ofr SPrialLayout.radius must be a number, not " + val);
|
|
if (this._radius !== val) {
|
|
this._radius = val;
|
|
this.invalidateLayout();
|
|
}
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(SpiralLayout.prototype, "spacing", {
|
|
/**
|
|
* Gets or sets the spacing between nodes.
|
|
* The default value is 100.
|
|
* @name SpiralLayout#spacing
|
|
* @function.
|
|
* @return {number}
|
|
*/
|
|
get: function () { return this._spacing; },
|
|
set: function (val) {
|
|
if (typeof val !== "number")
|
|
throw new Error("new value for SpiralLayout.spacing must be a number, not: " + val);
|
|
if (this._spacing !== val) {
|
|
this._spacing = val;
|
|
this.invalidateLayout();
|
|
}
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(SpiralLayout.prototype, "clockwise", {
|
|
/**
|
|
* Gets or sets whether the spiral should go clockwise or counter-clockwise.
|
|
* The default value is true.
|
|
* @name SpiralLayout#clockwise
|
|
* @function.
|
|
* @return {boolean}
|
|
*/
|
|
get: function () { return this._clockwise; },
|
|
set: function (val) {
|
|
if (typeof val !== "boolean")
|
|
throw new Error("new value for SpiralLayout.clockwise must be a boolean, not: " + val);
|
|
if (this._clockwise !== val) {
|
|
this._clockwise = val;
|
|
this.invalidateLayout();
|
|
}
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
return SpiralLayout;
|
|
}(go.Layout));
|
|
exports.SpiralLayout = SpiralLayout;
|
|
});
|