Merge branch 'namespace'

* namespace:
  Replace references to `window` with `root`
  Updated README with namespace
  Bump the major version number
  Added a top level Springy namespace

README.mkdn

@@ -47,7 +47,7 @@ add nodes and edges to graph and springyui.js for the rendering example.
 Springy 1.1+ supports simplified API for adding nodes and edges, see
 [demo-simple.html](http://dhotson.github.com/springy/demo-simple.html):
 
-    var graph = new Graph();
+    var graph = new Springy.Graph();
     graph.addNodes('mark', 'higgs', 'other', 'etc');
     graph.addEdges(
         ['mark', 'higgs'],
@@ -67,7 +67,7 @@ Springy 1.2+ also accepts JSON, see
       ]
     };
 
-    var graph = new Graph();
+    var graph = new Springy.Graph();
     graph.loadJSON(graphJSON);
 
 
@@ -80,7 +80,7 @@ things before you get started.
 This is the basic graph API, you can create nodes and edges etc.
 
     // make a new graph
-    var graph = new Graph();
+    var graph = new Springy.Graph();
 
     // make some nodes
     var node1 = graph.newNode({label: '1'});
@@ -91,12 +91,12 @@ This is the basic graph API, you can create nodes and edges etc.
 
 So now to draw this graph, lets make a layout object:
 
-    var layout = new Layout.ForceDirected(graph, 400.0, 400.0, 0.5);
+    var layout = new Springy.Layout.ForceDirected(graph, 400.0, 400.0, 0.5);
 
 I've written a Renderer class, which will handle the rendering loop.
 You just need to provide some callbacks to do the actual drawing.
 
-    var renderer = new Renderer(layout,
+    var renderer = new Springy.Renderer(layout,
       function clear() {
         // code to clear screen
       },

demo-json.html

@@ -22,7 +22,7 @@ var graphJSON = {
 };
 
 jQuery(function(){
-  var graph = new Graph();
+  var graph = new Springy.Graph();
   graph.loadJSON(graphJSON);
 
   var springy = jQuery('#springydemo').springy({

demo-raphael.html

@@ -112,7 +112,7 @@ Raphael.fn.connection = function (obj1, obj2, style) {
 </script>
 
 <script>
-var graph = new Graph();
+var graph = new Springy.Graph();
 
 var dennis = graph.newNode({label: 'Dennis'});
 var michael = graph.newNode({label: 'Michael'});
@@ -166,16 +166,16 @@ function moveSet(set, x, y) {
 }
 
 function doit() {
-    var layout = new Layout.ForceDirected(graph, 640, 480.0, 0.5);
+    var layout = new Springy.Layout.ForceDirected(graph, 640, 480.0, 0.5);
 
     var r = Raphael("holder", 640, 480);
 
 	// calculate bounding box of graph layout.. with ease-in
 	var currentBB = layout.getBoundingBox();
-	var targetBB = {bottomleft: new Vector(-2, -2), topright: new Vector(2, 2)};
+	var targetBB = {bottomleft: new Springy.Vector(-2, -2), topright: new Springy.Vector(2, 2)};
 
 	// auto adjusting bounding box
-	Layout.requestAnimationFrame(function adjust() {
+	Springy.requestAnimationFrame(function adjust() {
 		targetBB = layout.getBoundingBox();
 		// current gets 20% closer to target every iteration
 		currentBB = {
@@ -185,7 +185,7 @@ function doit() {
 				.divide(10))
 		};
 
-		Layout.requestAnimationFrame(adjust);
+		Springy.requestAnimationFrame(adjust);
 	});
 
 	// convert to/from screen coordinates
@@ -193,11 +193,11 @@ function doit() {
 		var size = currentBB.topright.subtract(currentBB.bottomleft);
 		var sx = p.subtract(currentBB.bottomleft).divide(size.x).x * r.width;
 		var sy = p.subtract(currentBB.bottomleft).divide(size.y).y * r.height;
-		return new Vector(sx, sy);
+		return new Springy.Vector(sx, sy);
 	};
 
 
-    var renderer = new Renderer(layout,
+    var renderer = new Springy.Renderer(layout,
         function clear() {
             // code to clear screen
         },

demo-simple.html

@@ -4,7 +4,7 @@
 <script src="springy.js"></script>
 <script src="springyui.js"></script>
 <script>
-var graph = new Graph();
+var graph = new Springy.Graph();
 graph.addNodes('Dennis', 'Michael', 'Jessica', 'Timothy', 'Barbara')
 graph.addNodes('Amphitryon', 'Alcmene', 'Iphicles', 'Heracles');
 

demo.html

@@ -4,7 +4,7 @@
 <script src="springy.js"></script>
 <script src="springyui.js"></script>
 <script>
-var graph = new Graph();
+var graph = new Springy.Graph();
 
 var dennis = graph.newNode({
   label: 'Dennis',

springy.js

@@ -1,5 +1,5 @@
 /**
- * Springy v1.2.0
+ * Springy v2.0.0
  *
  * Copyright (c) 2010 Dennis Hotson
  *
@@ -25,10 +25,23 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
+(function() {
 	// Enable strict mode for EC5 compatible browsers
 	"use strict";
 
-var Graph = function() {
+	// Establish the root object, `window` in the browser, or `global` on the server.
+	var root = this;
+
+	// The top-level namespace. All public Springy classes and modules will
+	// be attached to this. Exported for both CommonJS and the browser.
+	var Springy;
+	if (typeof exports !== 'undefined') {
+		Springy = exports;
+	} else {
+		Springy = root.Springy = {};
+	}
+
+	var Graph = Springy.Graph = function() {
 		this.nodeSet = {};
 		this.nodes = [];
 		this.edges = [];
@@ -39,7 +52,7 @@ var Graph = function() {
 		this.eventListeners = [];
 	};
 
-var Node = function(id, data) {
+	var Node = Springy.Node = function(id, data) {
 		this.id = id;
 		this.data = (data !== undefined) ? data : {};
 
@@ -49,9 +62,8 @@ var Node = function(id, data) {
 	// this.data.label
 	};
 
-var Edge = function(id, source, target, data) {
+	var Edge = Springy.Edge = function(id, source, target, data) {
 		this.id = id;
-				/** @type {Node} */
 		this.source = source;
 		this.target = target;
 		this.data = (data !== undefined) ? data : {};
@@ -303,7 +315,7 @@ Graph.prototype.notify = function() {
 	};
 
 	// -----------
-var Layout = {};
+	var Layout = Springy.Layout = {};
 	Layout.ForceDirected = function(graph, stiffness, repulsion, damping) {
 		this.graph = graph;
 		this.stiffness = stiffness; // spring stiffness constant
@@ -452,14 +464,14 @@ Layout.ForceDirected.prototype.totalEnergy = function(timestep) {
 
 	var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }; // stolen from coffeescript, thanks jashkenas! ;-)
 
-Layout.requestAnimationFrame = __bind(window.requestAnimationFrame ||
+	Springy.requestAnimationFrame = __bind(root.requestAnimationFrame ||
-	window.webkitRequestAnimationFrame ||
+		root.webkitRequestAnimationFrame ||
-	window.mozRequestAnimationFrame ||
+		root.mozRequestAnimationFrame ||
-	window.oRequestAnimationFrame ||
+		root.oRequestAnimationFrame ||
-	window.msRequestAnimationFrame ||
+		root.msRequestAnimationFrame ||
-	function(callback, element) {
+		(function(callback, element) {
-		window.setTimeout(callback, 10);
+			root.setTimeout(callback, 10);
-	}, window);
+		}), root);
 
 
 	// start simulation
@@ -470,7 +482,7 @@ Layout.ForceDirected.prototype.start = function(render, done) {
 		this._started = true;
 		this._stop = false;
 
-	Layout.requestAnimationFrame(function step() {
+		Springy.requestAnimationFrame(function step() {
 			t.applyCoulombsLaw();
 			t.applyHookesLaw();
 			t.attractToCentre();
@@ -486,7 +498,7 @@ Layout.ForceDirected.prototype.start = function(render, done) {
 				t._started = false;
 				if (done !== undefined) { done(); }
 			} else {
-			Layout.requestAnimationFrame(step);
+				Springy.requestAnimationFrame(step);
 			}
 		});
 	};
@@ -538,7 +550,7 @@ Layout.ForceDirected.prototype.getBoundingBox = function() {
 
 
 	// Vector
-var Vector = function(x, y) {
+	var Vector = Springy.Vector = function(x, y) {
 		this.x = x;
 		this.y = y;
 	};
@@ -605,7 +617,7 @@ Layout.ForceDirected.Spring = function(point1, point2, length, k) {
 	// };
 
 	// Renderer handles the layout rendering loop
-function Renderer(layout, clear, drawEdge, drawNode) {
+	var Renderer = Springy.Renderer = function(layout, clear, drawEdge, drawNode) {
 		this.layout = layout;
 		this.clear = clear;
 		this.drawEdge = drawEdge;
@@ -664,4 +676,4 @@ if ( !Array.prototype.forEach ) {
 			}
 		};
 	}
-
+}).call(this);

springyui.js

@@ -26,7 +26,7 @@ Copyright (c) 2010 Dennis Hotson
 (function() {
 
 jQuery.fn.springy = function(params) {
-	var graph = this.graph = params.graph || new Graph();
+	var graph = this.graph = params.graph || new Springy.Graph();
 
 	var stiffness = params.stiffness || 400.0;
 	var repulsion = params.repulsion || 400.0;
@@ -36,14 +36,14 @@ jQuery.fn.springy = function(params) {
 	var canvas = this[0];
 	var ctx = canvas.getContext("2d");
 
-	var layout = this.layout = new Layout.ForceDirected(graph, stiffness, repulsion, damping);
+	var layout = this.layout = new Springy.Layout.ForceDirected(graph, stiffness, repulsion, damping);
 
 	// calculate bounding box of graph layout.. with ease-in
 	var currentBB = layout.getBoundingBox();
-	var targetBB = {bottomleft: new Vector(-2, -2), topright: new Vector(2, 2)};
+	var targetBB = {bottomleft: new Springy.Vector(-2, -2), topright: new Springy.Vector(2, 2)};
 
 	// auto adjusting bounding box
-	Layout.requestAnimationFrame(function adjust() {
+	Springy.requestAnimationFrame(function adjust() {
 		targetBB = layout.getBoundingBox();
 		// current gets 20% closer to target every iteration
 		currentBB = {
@@ -53,7 +53,7 @@ jQuery.fn.springy = function(params) {
 				.divide(10))
 		};
 
-		Layout.requestAnimationFrame(adjust);
+		Springy.requestAnimationFrame(adjust);
 	});
 
 	// convert to/from screen coordinates
@@ -61,14 +61,14 @@ jQuery.fn.springy = function(params) {
 		var size = currentBB.topright.subtract(currentBB.bottomleft);
 		var sx = p.subtract(currentBB.bottomleft).divide(size.x).x * canvas.width;
 		var sy = p.subtract(currentBB.bottomleft).divide(size.y).y * canvas.height;
-		return new Vector(sx, sy);
+		return new Springy.Vector(sx, sy);
 	};
 
 	fromScreen = function(s) {
 		var size = currentBB.topright.subtract(currentBB.bottomleft);
 		var px = (s.x / canvas.width) * size.x + currentBB.bottomleft.x;
 		var py = (s.y / canvas.height) * size.y + currentBB.bottomleft.y;
-		return new Vector(px, py);
+		return new Springy.Vector(px, py);
 	};
 
 	// half-assed drag and drop
@@ -120,7 +120,7 @@ jQuery.fn.springy = function(params) {
 		dragged = null;
 	});
 
-	Node.prototype.getWidth = function() {
+	Springy.Node.prototype.getWidth = function() {
 		var text = (this.data.label !== undefined) ? this.data.label : this.id;
 		if (this._width && this._width[text])
 			return this._width[text];
@@ -136,11 +136,11 @@ jQuery.fn.springy = function(params) {
 		return width;
 	};
 
-	Node.prototype.getHeight = function() {
+	Springy.Node.prototype.getHeight = function() {
 		return 20;
 	};
 
-	var renderer = this.renderer = new Renderer(layout,
+	var renderer = this.renderer = new Springy.Renderer(layout,
 		function clear() {
 			ctx.clearRect(0,0,canvas.width,canvas.height);
 		},
@@ -150,7 +150,7 @@ jQuery.fn.springy = function(params) {
 			var x2 = toScreen(p2).x;
 			var y2 = toScreen(p2).y;
 
-			var direction = new Vector(x2-x1, y2-y1);
+			var direction = new Springy.Vector(x2-x1, y2-y1);
 			var normal = direction.normal().normalise();
 
 			var from = graph.getEdges(edge.source, edge.target);
@@ -290,7 +290,7 @@ jQuery.fn.springy = function(params) {
 			return false;
 		}
 
-		return new Vector(p1.x + ua * (p2.x - p1.x), p1.y + ua * (p2.y - p1.y));
+		return new Springy.Vector(p1.x + ua * (p2.x - p1.x), p1.y + ua * (p2.y - p1.y));
 	}
 
 	function intersect_line_box(p1, p2, p3, w, h) {