jQuery(function ($) {
	// Triggers an event on an element and returns the event result
	function fire(obj, name, data) {
		var event = new $.Event(name);
		obj.trigger(event, data);
		return event.result !== false;
	}

	// Submits "remote" forms and links with ajax
	function handleRemote(element) {
		var method, url, data,
			dataType = element.attr('data-type') || ($.ajaxSettings && $.ajaxSettings.dataType) || 'script';

    // Since iframe-submitted form is submitted normal-style and cannot set custom headers,
    // we'll add a custom hidden input to keep track and let the server know this was still
    // an AJAX form.
    element.append($('<input />', {
      type: "hidden",
      name: "remotipart_submitted",
      value: true
    }))
      .data('remotipartSubmitted', dataType);

	  if (fire(element, 'ajax:before')) {
	  	method = element.attr('method');
	  	url = element.attr('action');
	  	data = element.serializeArray();
	  	// memoized value from clicked submit button
	  	var button = element.data('ujs:submit-button');
	  	if (button) {
	  		data.push(button);
	  		element.data('ujs:submit-button', null);
	  	}


      if (dataType == 'script') {
		  	url = url.split('?'); // split on GET params
			  if(url[0].substr(-3) != '.js') url[0] += '.js'; // force rails to respond to respond to the request with :format = js
			  url = url.join('?'); // join on GET params
      }
			element.ajaxSubmit({
				url: url, type: method || 'GET', data: data, dataType: dataType,
				// stopping the "ajax:beforeSend" event will cancel the ajax request
				beforeSend: function(xhr, settings) {
					return fire(element, 'ajax:beforeSend', [xhr, settings]);
				},
				success: function(data, status, xhr) {
					element.trigger('ajax:success', [data, status, xhr]);
				},
				complete: function(xhr, status) {
					element.trigger('ajax:complete', [xhr, status]);
				},
				error: function(xhr, status, error) {
					element.trigger('ajax:error', [xhr, status, error]);
				}
			});
		}
	}

  function disableFormElements(form) {
		form.find('input[data-disable-with]').each(function() {
			var input = $(this);
			input.data('ujs:enable-with', input.val())
				.val(input.attr('data-disable-with'))
				.attr('disabled', 'disabled');
		});
	}

  $('form').live('ajax:aborted:file.remotipart', function(){
    var form = $(this), remote = form.attr('data-remote') != undefined;

    if (remote) {
      handleRemote(form);
      return false;
    } else {
      disableFormElements(form);
    }
  });
});