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/**
 * Theme functions file
 */
(function ($) {

    var $document = $(document);
    var $window = $(window);


    /**
    * Document ready (jQuery)
    */
    $(function () {

        /**
         * Activate superfish menu.
         */
        $('.sf-menu').superfish({
            'speed': 'fast',
            'delay' : 0,
            'animation': {
                'height': 'show'
            }
        });

        /**
         * Activate jQuery.mmenu.
         */
       $("#menu-main-slide").mmenu({
           "slidingSubmenus": false,
           "offCanvas": {
              "position": "right",
           },
           "extensions": [
               "theme-dark",
               "pageshadow",
               "border-full"
           ]
       });

        /**
         * Activate FitVids.
         */
        $(".entry-content, .video-cover, .post-video").fitVids();

        /**
         * Activate main slider.
         */
        $('#slider').sllider();

        /**
         * Isotope filter for Portfolio Isotope template.
         */
        $('.portfolio-taxonomies-filter-by').portfolioIsotopeFilter();

        $.fn.responsiveSliderImages();

        jQuery("div.navigation:empty").hide();

    });


    $.fn.sllider = function() {
        return this.each(function () {
            var $this = $(this);

            $this.flexslider({
                controlNav: false,
                directionNav: true,
                animationLoop: true,
                useCSS: true,
                smoothHeight: false,
                touch: true,
                pauseOnAction: true,
                slideshow: zoomOptions.slideshow_auto,
                animation: zoomOptions.slideshow_effect.toLowerCase(),
                slideshowSpeed: parseInt(zoomOptions.slideshow_speed, 10)
            });

        });
    };

    $.fn.portfolioIsotopeFilter = function () {
        return this.each(function() {
            var $this = $(this);
            var $taxs = $this.find('li');
            var $portfolio = $('.portfolio-grid');

            $(window).load(function () {
                $portfolio.fadeIn().isotope({
                    layoutMode : 'fitRows',
                    itemSelector: 'li'
                });
                setTimeout( function() {
                  $portfolio.addClass('isotope')
                }, 100 );
            });

            var tax_filter_regex = /cat-item-([0-9]+)/gi;

            var preferences = {
                duration: 400,
                adjustHeight: 'dynamic',
                useScaling: true
            };

            $taxs.on('click', function(event) {
                event.preventDefault();

                $this = $(this);

                $taxs.removeClass('current-cat');
                $this.addClass('current-cat');

                var catID = tax_filter_regex.exec($this.attr('class'));
                tax_filter_regex.lastIndex = 0;

                if (catID === null) {
                    filter = '.type-portfolio_item';
                } else {
                    filter = '.portfolio_' + catID[1] +'_item';
                }

                $portfolio.isotope({
                    'filter': filter
                });
            });
        });
    };

    $.fn.responsiveSliderImages = function () {
        $(window).on('resize orientationchange', update);

        function update() {
            var windowWidth = $(window).width();

            if (windowWidth < 680) {
                $('#slider .slides li').each(function () {
                    var bgurl = $(this).css('background-image').match(/^url\(['"]?(.+)["']?\)$/)[1],
                        smallimg = $(this).data('smallimg');

                    if ( !bgurl || typeof smallimg === 'undefined' || bgurl == smallimg ) return;

                    $(this).css('background-image', 'url("' + smallimg + '")');
                });
            }

            if (windowWidth > 680) {
                $('#slider .slides li').each(function () {
                    var bgurl = $(this).css('background-image').match(/^url\(['"]?(.+)["']?\)$/)[1],
                        bigimg = $(this).data('bigimg');

                    if ( !bgurl || typeof bigimg === 'undefined' || bgurl == bigimg ) return;

                    if ( !$(this).data('smallimg') ) $(this).data('smallimg', bgurl);

                    $(this).css('background-image', 'url("' + bigimg + '")');
                });
            }
        }

        update();
    };


})(jQuery);