/**
 * AJAX Nette Framwork plugin for jQuery
 *
 * @copyright  Copyright (c) 2009 Jan Marek
 * @copyright  Copyright (c) 2009 David Grudl
 * @license    MIT
 * @link       http://nettephp.com/cs/extras/jquery-ajax
 */


if (typeof jQuery != 'function') {
	alert('jQuery was not loaded');
}


(function($) {

	$.nette = {
		success: function(payload)
		{
			// redirect
			if (payload.redirect) {
				window.location.href = payload.redirect;
				return;
			}

			// state
			if (payload.state) {
				$.nette.state = payload.state;
			}

			// snippets
			if (payload.snippets) {
				for (var i in payload.snippets) {
					$.nette.updateSnippet(i, payload.snippets[i]);
				}
			}
		},

		updateSnippet: function(id, html)
		{
			$('#' + id).html(html);
		},

		// create animated spinner
		createSpinner: function(id)
		{
			return this.spinner = $('<div></div>').attr('id', id ? id : 'ajax-spinner').ajaxStart(function() {
				$(this).show();

			}).ajaxStop(function() {
				$(this).hide().css({
					position: 'fixed',
					left: '50%',
					top: '50%'
				});

			}).appendTo('body').hide();
		},

		// current page state
		state: null,

		// spinner element
		spinner: null
	};


})(jQuery);



jQuery(function($) {

	$.ajaxSetup({
		success: $.nette.success,
		dataType: 'json'
	});

	$.nette.createSpinner();

	// apply AJAX unobtrusive way
	$('a.ajax').live('click', function(event) {
		event.preventDefault();
		if ($.active) return;

		$.post(this.href, $.nette.success);

		$.nette.spinner.css({
			position: 'absolute',
			left: event.pageX,
			top: event.pageY
		});
	});

});

/**

 * AJAX form plugin for jQuery

 *

 * @copyright  Copyright (c) 2009 Jan Marek

 * @license    MIT

 * @link       http://nettephp.com/cs/extras/ajax-form

 * @version    0.1

 */



jQuery.fn.extend({

	ajaxSubmit: function (callback) {

		var form;

		var sendValues = {};



		// submit button

		if (this.is(":submit")) {

			form = this.parents("form");

			sendValues[this.attr("name")] = this.val() || "";



		// form

		} else if (this.is("form")) {

			form = this;



		// invalid element, do nothing

		} else {

			return null;

		}



		// validation

		if (form.get(0).onsubmit && !form.get(0).onsubmit()) return null;



		// get values

		var values = form.serializeArray();



		for (var i = 0; i < values.length; i++) {

			var name = values[i].name;



			// multi

			if (name in sendValues) {

				var val = sendValues[name];



				if (!(val instanceof Array)) {

					val = [val];

				}



				val.push(values[i].value);

				sendValues[name] = val;

			} else {

				sendValues[name] = values[i].value;

			}

		}



		// send ajax request

		var ajaxOptions = {

			url: form.attr("action"),

			data: sendValues,

			type: form.attr("method") || "get"

		};



		if (callback) {

			ajaxOptions.success = callback;

		}



		return jQuery.ajax(ajaxOptions);

	}

});