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Added method to stop layout calculations

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Dennis Hotson 2013-03-14 21:53:03 +11:00
parent 459904b833
commit 4c0a9e3e28
3 changed files with 12 additions and 3 deletions
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2
demo.html
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@ -29,7 +29,7 @@ graph.newEdge(dennis, bianca, {color: '#CC333F'});
graph.newEdge(bianca, monty, {color: '#EB6841'}); graph.newEdge(bianca, monty, {color: '#EB6841'});
jQuery(function(){ jQuery(function(){
var springy = jQuery('#springydemo').springy({ var springy = window.springy = jQuery('#springydemo').springy({
graph: graph, graph: graph,
nodeSelected: function(node){ nodeSelected: function(node){
console.log('Node selected: ' + JSON.stringify(node.data)); console.log('Node selected: ' + JSON.stringify(node.data));

11
springy.js
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@ -468,6 +468,7 @@ Layout.ForceDirected.prototype.start = function(render, done) {
if (this._started) return; if (this._started) return;
this._started = true; this._started = true;
this._stop = false;
Layout.requestAnimationFrame(function step() { Layout.requestAnimationFrame(function step() {
t.applyCoulombsLaw(); t.applyCoulombsLaw();
@ -481,7 +482,7 @@ Layout.ForceDirected.prototype.start = function(render, done) {
} }
// stop simulation when energy of the system goes below a threshold // stop simulation when energy of the system goes below a threshold
if (t.totalEnergy() < 0.01) { if (t._stop || t.totalEnergy() < 0.01) {
t._started = false; t._started = false;
if (done !== undefined) { done(); } if (done !== undefined) { done(); }
} else { } else {
@ -490,6 +491,10 @@ Layout.ForceDirected.prototype.start = function(render, done) {
}); });
}; };
Layout.ForceDirected.prototype.stop = function() {
this._stop = true;
}
// Find the nearest point to a particular position // Find the nearest point to a particular position
Layout.ForceDirected.prototype.nearest = function(pos) { Layout.ForceDirected.prototype.nearest = function(pos) {
var min = {node: null, point: null, distance: null}; var min = {node: null, point: null, distance: null};
@ -628,6 +633,10 @@ Renderer.prototype.start = function() {
}); });
}; };
Renderer.prototype.stop = function() {
this.layout.stop();
};
// Array.forEach implementation for IE support.. // Array.forEach implementation for IE support..
//https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/forEach //https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/forEach
if ( !Array.prototype.forEach ) { if ( !Array.prototype.forEach ) {

2
springyui.js
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@ -131,7 +131,7 @@ jQuery.fn.springy = function(params) {
return 20; return 20;
}; };
var renderer = new Renderer(layout, var renderer = this.renderer = new Renderer(layout,
function clear() { function clear() {
ctx.clearRect(0,0,canvas.width,canvas.height); ctx.clearRect(0,0,canvas.width,canvas.height);
}, },