/**
 * 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);


/**
 * AJAX form plugin for jQuery
 *
 * @copyright  Copyright (c) 2009 Jan Kuchař, Copyright (c) 2009 Jan Marek
 * @license    MIT
 * @link       http://addons.nette.org/cs/ajax-form-s-eventy
 * @version    0.1
 */

jQuery.fn.extend({
    ajaxSubmit: function (e,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;
        }

        // Vynecháme výchozí akci prohlížeče
        e.preventDefault();

        // validation
        if (form.get(0).onsubmit && !form.get(0).onsubmit()) {
            // Zastavíme vykonávání jakýchkoli dalších eventů
            e.stopImmediatePropagation();
            return null;
        }

        // Abychom formulář neodeslali zbytečně vícekrát
        if(form.data("ajaxSubmitCalled")==true)
            return null;

        form.data("ajaxSubmitCalled",true);

        // Tím, že zaregistruji ajaxové odeslání až teď, tak se provede jako poslední. (až po všech ostatních)
        form.one("submit",function(){
            // 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"
            };

            ajaxOptions.complete = function(){
                form.data("ajaxSubmitCalled",false);
            }

            if (callback) {
                ajaxOptions.success = callback;
            }
            return jQuery.ajax(ajaxOptions);
        })

        e.stopImmediatePropagation();
        form.submit();
        return null;
    }
});

/******************************************************************************/

jQuery(function($) {

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

	$.nette.createSpinner();

	// apply AJAX unobtrusive way
	$('a.ajax').live('click', function(event) {
		if (event.button != 0)
			return;
		event.preventDefault();
		if ($.active) return;

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

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

	// ajax forms
	$("form.ajax").live("submit",function (e) {
        $(this).ajaxSubmit(e);
		return false;
    });

    $("form.ajax :submit").live("click",function (e) {
        $(this).ajaxSubmit(e);
		return false;
    });
});