gistfile1.txt

dojo.provide('hitpost.Graph');

dojo.declare('hitpost.Graph', null, {
	min : 0,
	max : 6,
	wait : 500,
	
	constructor : function(domNode, animate) {
		if (!domNode) { return; }
		this.animate = animate || false;
		this.domNode = domNode;
		this.columns = dojo.query('div', this.domNode);
		
		this.baseline = dojo.attr(this.domNode, 'data-dots');
		this.variance = dojo.attr(this.domNode, 'data-var');
		
		this._draw();
		this.animate && this._animate();
	},
	
	_draw : function() {
		this.columns.forEach(function(el) {
			var rand = Math.floor(Math.random() * (this.variance + this.baseline));
			rand = rand > this.max ? this.max : rand < this.min ? this.min : rand;
			el.className = '';
			dojo.addClass(el, 'value_' + rand);
		}, this);
	},
	
	_animate : function() {
		this.interval = setInterval(dojo.hitch(this, '_draw'), this.wait);
	},
	
	stop : function() {
		this.interval && clearInterval(this.interval);
	}
	
});