/*!
* jQuery UI Image Carousel v1.0.0
* http://www.ferretarmy.com/files/jQuery/ImageCarousel/ImageCarousel.html
*
* Copyright (c) 2009 Jon Neal
* Dual licensed under the MIT and GPL licenses, using the same terms as jQuery.
* Refer to http://docs.jquery.com/License
*
* Date: 2009-09-29 (Tue, 29 September 2009)
* Revision: 1.0.0
*/
(function($) {

    $.fn.ImageCarousel = function(options) {

        // Options.
        var options = $.extend({}, $.fn.ImageCarousel.defaults, options);

        return this.each(function() {

            // Private variables.
            var gallery = $(this);
            var currentItem = 0;
            var currentPosition = parseInt($("ul", gallery).css("marginLeft").replace(/px/g, ""));

            // Support for metadata plugin.
            options = $.metadata ? $.extend({}, options, $(gallery).metadata()) : options;

            //AddjQueryUIClassesToCarousel(gallery);
            SetupButtonBehavior(gallery);

            // Setup button behavior.
            $(".seta_dir_melhores_ofertas", gallery).click(function(event) {

                event.preventDefault();

                if (currentItem < $("li", gallery).size() - 5) {
                    currentPosition = currentPosition - $("li:eq(" + currentItem + ")", gallery).outerWidth();
                    currentItem = currentItem + 1;

                    MoveGallery(gallery, currentPosition, currentItem);
                }
            });

            $(".seta_esq_melhores_ofertas", gallery).click(function(event) {

                event.preventDefault();

                if (currentItem > 0) {
                    currentPosition = currentPosition + $("li:eq(" + (currentItem - 1) + ")", gallery).outerWidth();
                    currentItem = currentItem - 1;

                    MoveGallery(gallery, currentPosition, currentItem);
                }
            });

            //			$(".btnHide", gallery).click(function(event) {
            //				
            //				event.preventDefault();
            //				
            //				if ($(".carouselBody", gallery).css("display") == "none")
            //				{
            //					$(".carouselHeader", gallery).removeClass("ui-corner-all").addClass("ui-corner-top");
            //				}
            //				else
            //				{
            //					// For some reason, the FG buttons don't hide until the slide is complete in IE, so hide them
            //					// first to prevent ugly UI behavior.
            //					$(".carouselBody .seta_esq_melhores_ofertas, .carouselBody .seta_dir_melhores_ofertas", gallery).hide();
            //				}
            //				
            //				$(".carouselBody", gallery).slideToggle(options.carousel_speed, function() {
            //						if ($(this).css("display") == "none")
            //						{
            //							$(".carouselHeader", gallery).removeClass("ui-corner-top").addClass("ui-corner-all");
            //							$(".btnHide", gallery).attr("title", "Show");
            //							$(".btnHide span", gallery).removeClass("ui-icon-minus").addClass("ui-icon-plus");
            //						}
            //						else
            //						{
            //							$(".btnHide span").removeClass("ui-icon-plus").addClass("ui-icon-minus");
            //							$(".btnHide", gallery).attr("title", "Hide");
            //							$(".carouselBody .seta_esq_melhores_ofertas, .carouselBody .seta_dir_melhores_ofertas", gallery).show();
            //						}
            //					}
            //				);
            //			});

            //gallery.css("width", options.carousel_width).append('<div style="clear: both; height: 0px;"></div>');
            //$('ul', gallery).append('<div style="clear: both; height: 0px;"></div>');

            // Do this to assure the gallery images won't wrap to the next line, which breaks the gallery. It's defaulted in CSS to a large
            // value, so it's pretty safe in any case.
            var imageListWidth = 0;
            $('li', gallery).each(function(index) { imageListWidth = imageListWidth + $('li:eq(' + index + ')').outerWidth(); });
            $('ul', gallery).outerWidth((imageListWidth * 2) + 'px');
        });

        function AddjQueryUIClassesToCarousel(gallery) {
            gallery.addClass("ui-widget");
            if (options.display_header) {
                $(".carouselHeader", gallery).addClass("ui-widget-header ui-corner-top ui-helper-clearfix");
                $(".carouselBody", gallery).addClass("ui-widget-content ui-corner-bottom").css("borderTop", "0px");

                $(".carouselHeader", gallery).html('<span class="headerTitle">' + $(".carouselHeader", gallery).html() + '</span>');

                if (options.allow_minimize) {
                    $(".carouselHeader", gallery).append('<a href="#" class="fg-button ui-state-default fg-button-icon-solo ui-corner-all btnHide" title="Hide"><span class="ui-icon ui-icon-minus"></span></a>');
                }
            }
            else {
                $(".carouselHeader", gallery).hide();
                $(".carouselBody", gallery).addClass("ui-widget-content ui-corner-all");
            }
            $(".seta_dir_melhores_ofertas, .seta_esq_melhores_ofertas", gallery).addClass("fg-button ui-state-default fg-button-icon-solo ui-corner-all");
            $(".seta_dir_melhores_ofertas", gallery).prepend('<span class="ui-icon ui-icon-carat-1-e"></span>');
            $(".seta_esq_melhores_ofertas", gallery).prepend('<span class="ui-icon ui-icon-carat-1-w"></span>');
        }

        function SetupButtonBehavior(gallery) {
            // All hover and click logic for buttons.
            // Adapted from http://www.filamentgroup.com/lab/styling_buttons_and_toolbars_with_the_jquery_ui_css_framework/
            $(".fg-button:not(.ui-state-disabled)", gallery)
			.hover(
				function() {
				    $(this).addClass("ui-state-hover");
				},
				function() {
				    $(this).removeClass("ui-state-hover");
				}
			)
			.mousedown(function() {
			    $(this).addClass("ui-state-active");
			})
			.mouseup(function() {
			    $(this).removeClass("ui-state-active");
			});

            $(".seta_esq_melhores_ofertas", gallery).addClass("ui-state-disabled");
        };

        function MoveGallery(gallery, currentPosition, currentItem) {
            $("ul", gallery).stop().animate({ marginLeft: currentPosition + "px" }, options.carousel_speed);

            if (currentItem == 0) {
                $(".seta_esq_melhores_ofertas", gallery).addClass("ui-state-disabled");
            }
            else {
                $(".seta_esq_melhores_ofertas", gallery).removeClass("ui-state-disabled");
            }

            if (currentItem == $(".carousel li").size() - 1) {
                $(".seta_dir_melhores_ofertas", gallery).addClass("ui-state-disabled");
            }
            else {
                $(".seta_dir_melhores_ofertas", gallery).removeClass("ui-state-disabled");
            }
        };
    };

    $.fn.ImageCarousel.defaults = {
        allow_minimize: false,
        display_header: false,
        carousel_speed: 'normal' /*,
		carousel_width : '500px'*/
    };

})(jQuery);