Templatizer.js

var Templatizer = new Class({
	Implements: [Options, Events],
	options: {
		templates: {
			/*
			name: instanceOfSubtleTemplate
			*/
		},
		data: {}
	},
	initialize: function(options){
		this.setOptions(options);
		this.data = this.options.data;
		this.addTemplates();
	},
	templates: {},
	rendered: {},
	addTemplate: function(name, subtleTemplate) {
		return this.templates[name] = subtleTemplate;
	},
	addTemplates: function(templates) {
		$each(templates || this.options.templates, function(element, name){
			this.addTemplate(name, element);
		}, this);
		return this.templates;
	},
	update: function(data){
		this.data = data;
		$each(this.rendered, function(rendered, template){
			rendered.populate(this.data);
			this.fireEvent('update', [template, rendered, this]);
		}, this);
	},
	//builds elements out from data
	render: function(name) {
		var rendered = this.rendered[name];
		if (!rendered) {
			var template = this.templates[name];
			if (!template) return null;
			rendered = this.rendered[name] = new template(this.data);
			$(rendered).store('templatizer', this);
			this.fireEvent('render', [name, rendered, this]);
		}
		return rendered;
	}
});