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Fixing font definitions so systems without Verdana (eg Linux) don't look so bad.

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Also moving the constructor of springyUI to use named parameters so we can specify the dampening repulsion and stiffness in the constructor.
This commit is contained in:
Toby Cole 2011-02-22 09:25:37 +00:00
parent 6eabd21ffd
commit 2bc3f927bd
1 changed files with 14 additions and 5 deletions
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19
springyui.js
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@ -25,10 +25,19 @@ Copyright (c) 2010 Dennis Hotson
(function() {
jQuery.fn.springy = function(graph) {
jQuery.fn.springy = function(params) {
var graph = params.graph;
if(!graph){
return;
}
var stiffness = params.stiffness || 400.0;
var repulsion = params.repulsion || 400.0;
var damping = params.damping || 0.5;
var canvas = this[0];
var ctx = canvas.getContext("2d");
var layout = new Layout.ForceDirected(graph, 400.0, 400.0, 0.5);
var layout = new Layout.ForceDirected(graph, stiffness, repulsion, damping);
// calculate bounding box of graph layout.. with ease-in
var currentBB = layout.getBoundingBox();
@ -102,7 +111,7 @@ jQuery.fn.springy = function(graph) {
Node.prototype.getWidth = function() {
ctx.save();
var text = typeof(this.data.label) !== 'undefined' ? this.data.label : this.id;
ctx.font = "16px Verdana";
ctx.font = "16px Verdana, sans-serif";
var width = ctx.measureText(text).width + 10;
ctx.restore();
return width;
@ -237,9 +246,9 @@ jQuery.fn.springy = function(graph) {
ctx.textAlign = "left";
ctx.textBaseline = "top";
ctx.font = "16px Verdana";
ctx.font = "16px Verdana, sans-serif";
ctx.fillStyle = "#000000";
ctx.font = "16px Verdana";
ctx.font = "16px Verdana, sans-serif";
var text = typeof(node.data.label) !== 'undefined' ? node.data.label : node.id;
ctx.fillText(text, s.x - boxWidth/2 + 5, s.y - 8);