Tentativa de criar um plugin jquery para criar formularios de maneira simples!

jquery.formalize.js

// Author: Alexandre Marinho

;(function($){

  function define_attributes(elm,attrs){
		for (attr in attrs){
			elm.attr(attr,attrs[attr])
		}
	}

	function define_binds(elm,binds){
		for(bind in binds){
			elm.on(bind,binds[bind])
		}
	}

	var methods = {
		init : function( options ) { 
			form = $(this)
			container = $('<div class="formularize" />')
			return this.each(function(){

				fields = options['fields']
				initial = options['initial']
				for(field in fields){
					var type = fields[field].type || 'text'
					var label = fields[field].label || field

					control_group = $('<div />').addClass('control-group')
					controls = $('<div />').addClass('controls')
					label_tag = $('<label />')
						.addClass('control-label')
						.attr('for','id_'+field)
						.html(label)

					switch(type){
						case "textarea":
							input = $('<textarea />').attr('id','id_'+field).attr('name',field)
							if(initial[field]){
								input.val(initial[field])
							}
							define_attributes(input,fields[field].attrs)
							define_binds(input,fields[field].binds)
							label_tag.appendTo(control_group)
							input.appendTo(controls)
							break;
						case "select":
							input = $('<select />').attr('id','id_'+field).attr('name',field)
							data = fields[field].source
							for(opt in fields[field].source){
								value = fields[field].source[opt] || opt
								option = $('<option />')
									.val(opt)
									.html(value)
								if(initial[field]==opt){
									option.attr('selected','selected')
								}
								option.appendTo(input)
							}
							define_attributes(input,fields[field].attrs)
							define_binds(input,fields[field].binds)
							label_tag.appendTo(control_group)
							input.appendTo(controls)
							break;
						case "checkbox":
							aux = $('<input />')
								.attr('id','id_'+field)
								.attr('name',field)
								.attr('type',type)
							if(initial[field]=true){
								aux.attr('checked','checked')
							}
							input = $('<label />')
								.addClass('checkbox')
								.append(aux)
								.append(label)
							define_attributes(input,fields[field].attrs)
							define_binds(input,fields[field].binds)
							input.appendTo(controls)
							break;
						case "radio":
							input = $('<div />')
							for(radio in fields[field].source){
								value = fields[field].source[radio] || radio
								aux1 = $('<input type="radio" />').val(value)
								define_attributes(input,fields[field].attrs)
								define_binds(input,fields[field].binds)
								if(initial[field]==value){
									aux1.attr('checked','checked')
								}
								aux1.attr('id','id_'+field+'-'+radio).attr('name',field)
								aux2 = $('<label class="radio" />').append(aux1).append(value)
								input.append(aux2)
							}
							label_tag.appendTo(control_group)
							input.appendTo(controls)
							break;
						default:
							input = $('<input />')
								.attr('id','id_'+field)
								.attr('name',field)
								.attr('type',type)
							if(initial[field]){
								input.val(initial[field])
							}
							define_attributes(input,fields[field].attrs)
							define_binds(input,fields[field].binds)
							label_tag.appendTo(control_group)
							input.appendTo(controls)
					}
					
					controls.appendTo(control_group)
					control_group.appendTo(container)
				}
				container.prependTo(form)
				form.submit(function(){
					console.log(form.serialize())
					return false
				})
			})
		},
		add : function( ) {
		  // add field
		}
	};
	$.fn.formularize = function(method,options) {

		var settings = $.extend({
			
		},options)

		// Method calling logic
		if ( methods[method] ) {
			return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 ));
		} else if ( typeof method === 'object' || ! method ) {
			return methods.init.apply( this, arguments );
		} else {
			$.error( 'Method ' +  method + ' does not exist on jQuery.formularize' );
		} 
		
	};
})(jQuery);