/**
 * AJAX Nette Framwork plugin for jQuery
 *
 * @copyright   Copyright (c) 2009 Jan Marek
 * @license     MIT
 * @link        http://nettephp.com/cs/extras/jquery-ajax
 * @version     0.2
 */

jQuery.extend({
	nette: {
		updateSnippet: function (id, html) {		    
       $("#" + id).html(html);     
		},

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

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

jQuery.ajaxSetup({
	success: jQuery.nette.success,
	dataType: "json"
});

/**
 * 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);
	}
});

$(function () {
    // vhodně nastylovaný div vložím po načtení stránky
    $('<div id="ajax-spinner"></div>').appendTo("body").ajaxStop(function () {
        // a při události ajaxStop spinner schovám a nastavím mu původní pozici
        $(this).hide().css({
            position: "fixed",
            left: "50%",
            top: "50%"
        });
    }).hide();
});