owl.carousel.js

/**
 * Owl Carousel v2.2.1
 * Copyright 2013-2017 David Deutsch
 * Licensed under  ()
 */
/**
 * Owl carousel
 * @version 2.1.6
 * @author Bartosz Wojciechowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 * @todo Lazy Load Icon
 * @todo prevent animationend bubling
 * @todo itemsScaleUp
 * @todo Test Zepto
 * @todo stagePadding calculate wrong active classes
 */
;(function($, window, document, undefined) {

    /**
     * Creates a carousel.
     * @class The Owl Carousel.
     * @public
     * @param {HTMLElement|jQuery} element - The element to create the carousel for.
     * @param {Object} [options] - The options
     */
    function Owl(element, options) {

        /**
         * Current settings for the carousel.
         * @public
         */
        this.settings = null;

        /**
         * Current options set by the caller including defaults.
         * @public
         */
        this.options = $.extend({}, Owl.Defaults, options);

        /**
         * Plugin element.
         * @public
         */
        this.$element = $(element);

        /**
         * Proxied event handlers.
         * @protected
         */
        this._handlers = {};

        /**
         * References to the running plugins of this carousel.
         * @protected
         */
        this._plugins = {};

        /**
         * Currently suppressed events to prevent them from beeing retriggered.
         * @protected
         */
        this._supress = {};

        /**
         * Absolute current position.
         * @protected
         */
        this._current = null;

        /**
         * Animation speed in milliseconds.
         * @protected
         */
        this._speed = null;

        /**
         * Coordinates of all items in pixel.
         * @todo The name of this member is missleading.
         * @protected
         */
        this._coordinates = [];

        /**
         * Current breakpoint.
         * @todo Real media queries would be nice.
         * @protected
         */
        this._breakpoint = null;

        /**
         * Current width of the plugin element.
         */
        this._width = null;

        /**
         * All real items.
         * @protected
         */
        this._items = [];

        /**
         * All cloned items.
         * @protected
         */
        this._clones = [];

        /**
         * Merge values of all items.
         * @todo Maybe this could be part of a plugin.
         * @protected
         */
        this._mergers = [];

        /**
         * Widths of all items.
         */
        this._widths = [];

        /**
         * Invalidated parts within the update process.
         * @protected
         */
        this._invalidated = {};

        /**
         * Ordered list of workers for the update process.
         * @protected
         */
        this._pipe = [];

        /**
         * Current state information for the drag operation.
         * @todo #261
         * @protected
         */
        this._drag = {
            time: null,
            target: null,
            pointer: null,
            stage: {
                start: null,
                current: null
            },
            direction: null
        };

        /**
         * Current state information and their tags.
         * @type {Object}
         * @protected
         */
        this._states = {
            current: {},
            tags: {
                'initializing': [ 'busy' ],
                'animating': [ 'busy' ],
                'dragging': [ 'interacting' ]
            }
        };

        $.each([ 'onResize', 'onThrottledResize' ], $.proxy(function(i, handler) {
            this._handlers[handler] = $.proxy(this[handler], this);
        }, this));

        $.each(Owl.Plugins, $.proxy(function(key, plugin) {
            this._plugins[key.charAt(0).toLowerCase() + key.slice(1)]
                = new plugin(this);
        }, this));

        $.each(Owl.Workers, $.proxy(function(priority, worker) {
            this._pipe.push({
                'filter': worker.filter,
                'run': $.proxy(worker.run, this)
            });
        }, this));

        this.setup();
        this.initialize();
    }

    /**
     * Default options for the carousel.
     * @public
     */
    Owl.Defaults = {
        items: 3,
        loop: false,
        center: false,
        rewind: false,

        mouseDrag: true,
        touchDrag: true,
        pullDrag: true,
        freeDrag: false,

        margin: 0,
        stagePadding: 0,

        merge: false,
        mergeFit: true,
        autoWidth: false,

        startPosition: 0,
        rtl: false,

        smartSpeed: 250,
        fluidSpeed: false,
        dragEndSpeed: false,

        responsive: {},
        responsiveRefreshRate: 200,
        responsiveBaseElement: window,

        fallbackEasing: 'swing',

        info: false,

        nestedItemSelector: false,
        itemElement: 'div',
        stageElement: 'div',

        refreshClass: 'owl-refresh',
        loadedClass: 'owl-loaded',
        loadingClass: 'owl-loading',
        rtlClass: 'owl-rtl',
        responsiveClass: 'owl-responsive',
        dragClass: 'owl-drag',
        itemClass: 'owl-item',
        stageClass: 'owl-stage',
        stageOuterClass: 'owl-stage-outer',
        grabClass: 'owl-grab'
    };

    /**
     * Enumeration for width.
     * @public
     * @readonly
     * @enum {String}
     */
    Owl.Width = {
        Default: 'default',
        Inner: 'inner',
        Outer: 'outer'
    };

    /**
     * Enumeration for types.
     * @public
     * @readonly
     * @enum {String}
     */
    Owl.Type = {
        Event: 'event',
        State: 'state'
    };

    /**
     * Contains all registered plugins.
     * @public
     */
    Owl.Plugins = {};

    /**
     * List of workers involved in the update process.
     */
    Owl.Workers = [ {
        filter: [ 'width', 'settings' ],
        run: function() {
            this._width = this.$element.width();
        }
    }, {
        filter: [ 'width', 'items', 'settings' ],
        run: function(cache) {
            cache.current = this._items && this._items[this.relative(this._current)];
        }
    }, {
        filter: [ 'items', 'settings' ],
        run: function() {
            this.$stage.children('.cloned').remove();
        }
    }, {
        filter: [ 'width', 'items', 'settings' ],
        run: function(cache) {
            var margin = this.settings.margin || '',
                grid = !this.settings.autoWidth,
                rtl = this.settings.rtl,
                css = {
                    'width': 'auto',
                    'margin-left': rtl ? margin : '',
                    'margin-right': rtl ? '' : margin
                };

            !grid && this.$stage.children().css(css);

            cache.css = css;
        }
    }, {
        filter: [ 'width', 'items', 'settings' ],
        run: function(cache) {
            var width = (this.width() / this.settings.items).toFixed(3) - this.settings.margin,
                merge = null,
                iterator = this._items.length,
                grid = !this.settings.autoWidth,
                widths = [];

            cache.items = {
                merge: false,
                width: width
            };

            while (iterator--) {
                merge = this._mergers[iterator];
                merge = this.settings.mergeFit && Math.min(merge, this.settings.items) || merge;

                cache.items.merge = merge > 1 || cache.items.merge;

                widths[iterator] = !grid ? this._items[iterator].width() : width * merge;
            }

            this._widths = widths;
        }
    }, {
        filter: [ 'items', 'settings' ],
        run: function() {
            var clones = [],
                items = this._items,
                settings = this.settings,
                // TODO: Should be computed from number of min width items in stage
                view = Math.max(settings.items * 2, 4),
                size = Math.ceil(items.length / 2) * 2,
                repeat = settings.loop && items.length ? settings.rewind ? view : Math.max(view, size) : 0,
                append = '',
                prepend = '';

            repeat /= 2;

            while (repeat--) {
                // Switch to only using appended clones
                clones.push(this.normalize(clones.length / 2, true));
                append = append + items[clones[clones.length - 1]][0].outerHTML;
                clones.push(this.normalize(items.length - 1 - (clones.length - 1) / 2, true));
                prepend = items[clones[clones.length - 1]][0].outerHTML + prepend;
            }

            this._clones = clones;

            $(append).addClass('cloned').appendTo(this.$stage);
            $(prepend).addClass('cloned').prependTo(this.$stage);
        }
    }, {
        filter: [ 'width', 'items', 'settings' ],
        run: function() {
            var rtl = this.settings.rtl ? 1 : -1,
                size = this._clones.length + this._items.length,
                iterator = -1,
                previous = 0,
                current = 0,
                coordinates = [];

            while (++iterator < size) {
                previous = coordinates[iterator - 1] || 0;
                current = this._widths[this.relative(iterator)] + this.settings.margin;
                coordinates.push(previous + current * rtl);
            }

            this._coordinates = coordinates;
        }
    }, {
        filter: [ 'width', 'items', 'settings' ],
        run: function() {
            var padding = this.settings.stagePadding,
                coordinates = this._coordinates,
                css = {
                    'width': Math.ceil(Math.abs(coordinates[coordinates.length - 1])) + padding * 2,
                    'padding-left': padding || '',
                    'padding-right': padding || ''
                };

            this.$stage.css(css);
        }
    }, {
        filter: [ 'width', 'items', 'settings' ],
        run: function(cache) {
            var iterator = this._coordinates.length,
                grid = !this.settings.autoWidth,
                items = this.$stage.children();

            if (grid && cache.items.merge) {
                while (iterator--) {
                    cache.css.width = this._widths[this.relative(iterator)];
                    items.eq(iterator).css(cache.css);
                }
            } else if (grid) {
                cache.css.width = cache.items.width;
                items.css(cache.css);
            }
        }
    }, {
        filter: [ 'items' ],
        run: function() {
            this._coordinates.length < 1 && this.$stage.removeAttr('style');
        }
    }, {
        filter: [ 'width', 'items', 'settings' ],
        run: function(cache) {
            cache.current = cache.current ? this.$stage.children().index(cache.current) : 0;
            cache.current = Math.max(this.minimum(), Math.min(this.maximum(), cache.current));
            this.reset(cache.current);
        }
    }, {
        filter: [ 'position' ],
        run: function() {
            this.animate(this.coordinates(this._current));
        }
    }, {
        filter: [ 'width', 'position', 'items', 'settings' ],
        run: function() {
            var rtl = this.settings.rtl ? 1 : -1,
                padding = this.settings.stagePadding * 2,
                begin = this.coordinates(this.current()) + padding,
                end = begin + this.width() * rtl,
                inner, outer, matches = [], i, n;

            for (i = 0, n = this._coordinates.length; i < n; i++) {
                inner = this._coordinates[i - 1] || 0;
                outer = Math.abs(this._coordinates[i]) + padding * rtl;

                if ((this.op(inner, '<=', begin) && (this.op(inner, '>', end)))
                    || (this.op(outer, '<', begin) && this.op(outer, '>', end))) {
                    matches.push(i);
                }
            }

            this.$stage.children('.active').removeClass('active');
            this.$stage.children(':eq(' + matches.join('), :eq(') + ')').addClass('active');

            if (this.settings.center) {
                this.$stage.children('.center').removeClass('center');
                this.$stage.children().eq(this.current()).addClass('center');
            }
        }
    } ];

    /**
     * Initializes the carousel.
     * @protected
     */
    Owl.prototype.initialize = function() {
        this.enter('initializing');
        this.trigger('initialize');

        this.$element.toggleClass(this.settings.rtlClass, this.settings.rtl);

        if (this.settings.autoWidth && !this.is('pre-loading')) {
            var imgs, nestedSelector, width;
            imgs = this.$element.find('img');
            nestedSelector = this.settings.nestedItemSelector ? '.' + this.settings.nestedItemSelector : undefined;
            width = this.$element.children(nestedSelector).width();

            if (imgs.length && width <= 0) {
                this.preloadAutoWidthImages(imgs);
            }
        }

        this.$element.addClass(this.options.loadingClass);

        // create stage
        this.$stage = $('<' + this.settings.stageElement + ' class="' + this.settings.stageClass + '"/>')
            .wrap('<div class="' + this.settings.stageOuterClass + '"/>');

        // append stage
        this.$element.append(this.$stage.parent());

        // append content
        this.replace(this.$element.children().not(this.$stage.parent()));

        // check visibility
        if (this.$element.is(':visible')) {
            // update view
            this.refresh();
        } else {
            // invalidate width
            this.invalidate('width');
        }

        this.$element
            .removeClass(this.options.loadingClass)
            .addClass(this.options.loadedClass);

        // register event handlers
        this.registerEventHandlers();

        this.leave('initializing');
        this.trigger('initialized');
    };

    /**
     * Setups the current settings.
     * @todo Remove responsive classes. Why should adaptive designs be brought into IE8?
     * @todo Support for media queries by using `matchMedia` would be nice.
     * @public
     */
    Owl.prototype.setup = function() {
        var viewport = this.viewport(),
            overwrites = this.options.responsive,
            match = -1,
            settings = null;

        if (!overwrites) {
            settings = $.extend({}, this.options);
        } else {
            $.each(overwrites, function(breakpoint) {
                if (breakpoint <= viewport && breakpoint > match) {
                    match = Number(breakpoint);
                }
            });

            settings = $.extend({}, this.options, overwrites[match]);
            if (typeof settings.stagePadding === 'function') {
                settings.stagePadding = settings.stagePadding();
            }
            delete settings.responsive;

            // responsive class
            if (settings.responsiveClass) {
                this.$element.attr('class',
                    this.$element.attr('class').replace(new RegExp('(' + this.options.responsiveClass + '-)\\S+\\s', 'g'), '$1' + match)
                );
            }
        }

        this.trigger('change', { property: { name: 'settings', value: settings } });
        this._breakpoint = match;
        this.settings = settings;
        this.invalidate('settings');
        this.trigger('changed', { property: { name: 'settings', value: this.settings } });
    };

    /**
     * Updates option logic if necessery.
     * @protected
     */
    Owl.prototype.optionsLogic = function() {
        if (this.settings.autoWidth) {
            this.settings.stagePadding = false;
            this.settings.merge = false;
        }
    };

    /**
     * Prepares an item before add.
     * @todo Rename event parameter `content` to `item`.
     * @protected
     * @returns {jQuery|HTMLElement} - The item container.
     */
    Owl.prototype.prepare = function(item) {
        var event = this.trigger('prepare', { content: item });

        if (!event.data) {
            event.data = $('<' + this.settings.itemElement + '/>')
                .addClass(this.options.itemClass).append(item)
        }

        this.trigger('prepared', { content: event.data });

        return event.data;
    };

    /**
     * Updates the view.
     * @public
     */
    Owl.prototype.update = function() {
        var i = 0,
            n = this._pipe.length,
            filter = $.proxy(function(p) { return this[p] }, this._invalidated),
            cache = {};

        while (i < n) {
            if (this._invalidated.all || $.grep(this._pipe[i].filter, filter).length > 0) {
                this._pipe[i].run(cache);
            }
            i++;
        }

        this._invalidated = {};

        !this.is('valid') && this.enter('valid');
    };

    /**
     * Gets the width of the view.
     * @public
     * @param {Owl.Width} [dimension=Owl.Width.Default] - The dimension to return.
     * @returns {Number} - The width of the view in pixel.
     */
    Owl.prototype.width = function(dimension) {
        dimension = dimension || Owl.Width.Default;
        switch (dimension) {
            case Owl.Width.Inner:
            case Owl.Width.Outer:
                return this._width;
            default:
                return this._width - this.settings.stagePadding * 2 + this.settings.margin;
        }
    };

    /**
     * Refreshes the carousel primarily for adaptive purposes.
     * @public
     */
    Owl.prototype.refresh = function() {
        this.enter('refreshing');
        this.trigger('refresh');

        this.setup();

        this.optionsLogic();

        this.$element.addClass(this.options.refreshClass);

        this.update();

        this.$element.removeClass(this.options.refreshClass);

        this.leave('refreshing');
        this.trigger('refreshed');
    };

    /**
     * Checks window `resize` event.
     * @protected
     */
    Owl.prototype.onThrottledResize = function() {
        window.clearTimeout(this.resizeTimer);
        this.resizeTimer = window.setTimeout(this._handlers.onResize, this.settings.responsiveRefreshRate);
    };

    /**
     * Checks window `resize` event.
     * @protected
     */
    Owl.prototype.onResize = function() {
        if (!this._items.length) {
            return false;
        }

        if (this._width === this.$element.width()) {
            return false;
        }

        if (!this.$element.is(':visible')) {
            return false;
        }

        this.enter('resizing');

        if (this.trigger('resize').isDefaultPrevented()) {
            this.leave('resizing');
            return false;
        }

        this.invalidate('width');

        this.refresh();

        this.leave('resizing');
        this.trigger('resized');
    };

    /**
     * Registers event handlers.
     * @todo Check `msPointerEnabled`
     * @todo #261
     * @protected
     */
    Owl.prototype.registerEventHandlers = function() {
        if ($.support.transition) {
            this.$stage.on($.support.transition.end + '.owl.core', $.proxy(this.onTransitionEnd, this));
        }

        if (this.settings.responsive !== false) {
            this.on(window, 'resize', this._handlers.onThrottledResize);
        }

        if (this.settings.mouseDrag) {
            this.$element.addClass(this.options.dragClass);
            this.$stage.on('mousedown.owl.core', $.proxy(this.onDragStart, this));
            this.$stage.on('dragstart.owl.core selectstart.owl.core', function() { return false });
        }

        if (this.settings.touchDrag){
            this.$stage.on('touchstart.owl.core', $.proxy(this.onDragStart, this));
            this.$stage.on('touchcancel.owl.core', $.proxy(this.onDragEnd, this));
        }
    };

    /**
     * Handles `touchstart` and `mousedown` events.
     * @todo Horizontal swipe threshold as option
     * @todo #261
     * @protected
     * @param {Event} event - The event arguments.
     */
    Owl.prototype.onDragStart = function(event) {
        var stage = null;

        if (event.which === 3) {
            return;
        }

        if ($.support.transform) {
            stage = this.$stage.css('transform').replace(/.*\(|\)| /g, '').split(',');
            stage = {
                x: stage[stage.length === 16 ? 12 : 4],
                y: stage[stage.length === 16 ? 13 : 5]
            };
        } else {
            stage = this.$stage.position();
            stage = {
                x: this.settings.rtl ?
                    stage.left + this.$stage.width() - this.width() + this.settings.margin :
                    stage.left,
                y: stage.top
            };
        }

        if (this.is('animating')) {
            $.support.transform ? this.animate(stage.x) : this.$stage.stop()
            this.invalidate('position');
        }

        this.$element.toggleClass(this.options.grabClass, event.type === 'mousedown');

        this.speed(0);

        this._drag.time = new Date().getTime();
        this._drag.target = $(event.target);
        this._drag.stage.start = stage;
        this._drag.stage.current = stage;
        this._drag.pointer = this.pointer(event);

        $(document).on('mouseup.owl.core touchend.owl.core', $.proxy(this.onDragEnd, this));

        $(document).one('mousemove.owl.core touchmove.owl.core', $.proxy(function(event) {
            var delta = this.difference(this._drag.pointer, this.pointer(event));

            $(document).on('mousemove.owl.core touchmove.owl.core', $.proxy(this.onDragMove, this));

            if (Math.abs(delta.x) < Math.abs(delta.y) && this.is('valid')) {
                return;
            }

            event.preventDefault();

            this.enter('dragging');
            this.trigger('drag');
        }, this));
    };

    /**
     * Handles the `touchmove` and `mousemove` events.
     * @todo #261
     * @protected
     * @param {Event} event - The event arguments.
     */
    Owl.prototype.onDragMove = function(event) {
        var minimum = null,
            maximum = null,
            pull = null,
            delta = this.difference(this._drag.pointer, this.pointer(event)),
            stage = this.difference(this._drag.stage.start, delta);

        if (!this.is('dragging')) {
            return;
        }

        event.preventDefault();

        if (this.settings.loop) {
            minimum = this.coordinates(this.minimum());
            maximum = this.coordinates(this.maximum() + 1) - minimum;
            stage.x = (((stage.x - minimum) % maximum + maximum) % maximum) + minimum;
        } else {
            minimum = this.settings.rtl ? this.coordinates(this.maximum()) : this.coordinates(this.minimum());
            maximum = this.settings.rtl ? this.coordinates(this.minimum()) : this.coordinates(this.maximum());
            pull = this.settings.pullDrag ? -1 * delta.x / 5 : 0;
            stage.x = Math.max(Math.min(stage.x, minimum + pull), maximum + pull);
        }

        this._drag.stage.current = stage;

        this.animate(stage.x);
    };

    /**
     * Handles the `touchend` and `mouseup` events.
     * @todo #261
     * @todo Threshold for click event
     * @protected
     * @param {Event} event - The event arguments.
     */
    Owl.prototype.onDragEnd = function(event) {
        var delta = this.difference(this._drag.pointer, this.pointer(event)),
            stage = this._drag.stage.current,
            direction = delta.x > 0 ^ this.settings.rtl ? 'left' : 'right';

        $(document).off('.owl.core');

        this.$element.removeClass(this.options.grabClass);

        if (delta.x !== 0 && this.is('dragging') || !this.is('valid')) {
            this.speed(this.settings.dragEndSpeed || this.settings.smartSpeed);
            this.current(this.closest(stage.x, delta.x !== 0 ? direction : this._drag.direction));
            this.invalidate('position');
            this.update();

            this._drag.direction = direction;

            if (Math.abs(delta.x) > 3 || new Date().getTime() - this._drag.time > 300) {
                this._drag.target.one('click.owl.core', function() { return false; });
            }
        }

        if (!this.is('dragging')) {
            return;
        }

        this.leave('dragging');
        this.trigger('dragged');
    };

    /**
     * Gets absolute position of the closest item for a coordinate.
     * @todo Setting `freeDrag` makes `closest` not reusable. See #165.
     * @protected
     * @param {Number} coordinate - The coordinate in pixel.
     * @param {String} direction - The direction to check for the closest item. Ether `left` or `right`.
     * @return {Number} - The absolute position of the closest item.
     */
    Owl.prototype.closest = function(coordinate, direction) {
        var position = -1,
            pull = 30,
            width = this.width(),
            coordinates = this.coordinates();

        if (!this.settings.freeDrag) {
            // check closest item
            $.each(coordinates, $.proxy(function(index, value) {
                // on a left pull, check on current index
                if (direction === 'left' && coordinate > value - pull && coordinate < value + pull) {
                    position = index;
                // on a right pull, check on previous index
                // to do so, subtract width from value and set position = index + 1
                } else if (direction === 'right' && coordinate > value - width - pull && coordinate < value - width + pull) {
                    position = index + 1;
                } else if (this.op(coordinate, '<', value)
                    && this.op(coordinate, '>', coordinates[index + 1] || value - width)) {
                    position = direction === 'left' ? index + 1 : index;
                }
                return position === -1;
            }, this));
        }

        if (!this.settings.loop) {
            // non loop boundries
            if (this.op(coordinate, '>', coordinates[this.minimum()])) {
                position = coordinate = this.minimum();
            } else if (this.op(coordinate, '<', coordinates[this.maximum()])) {
                position = coordinate = this.maximum();
            }
        }

        return position;
    };

    /**
     * Animates the stage.
     * @todo #270
     * @public
     * @param {Number} coordinate - The coordinate in pixels.
     */
    Owl.prototype.animate = function(coordinate) {
        var animate = this.speed() > 0;

        this.is('animating') && this.onTransitionEnd();

        if (animate) {
            this.enter('animating');
            this.trigger('translate');
        }

        if ($.support.transform3d && $.support.transition) {
            this.$stage.css({
                transform: 'translate3d(' + coordinate + 'px,0px,0px)',
                transition: (this.speed() / 1000) + 's'
            });
        } else if (animate) {
            this.$stage.animate({
                left: coordinate + 'px'
            }, this.speed(), this.settings.fallbackEasing, $.proxy(this.onTransitionEnd, this));
        } else {
            this.$stage.css({
                left: coordinate + 'px'
            });
        }
    };

    /**
     * Checks whether the carousel is in a specific state or not.
     * @param {String} state - The state to check.
     * @returns {Boolean} - The flag which indicates if the carousel is busy.
     */
    Owl.prototype.is = function(state) {
        return this._states.current[state] && this._states.current[state] > 0;
    };

    /**
     * Sets the absolute position of the current item.
     * @public
     * @param {Number} [position] - The new absolute position or nothing to leave it unchanged.
     * @returns {Number} - The absolute position of the current item.
     */
    Owl.prototype.current = function(position) {
        if (position === undefined) {
            return this._current;
        }

        if (this._items.length === 0) {
            return undefined;
        }

        position = this.normalize(position);

        if (this._current !== position) {
            var event = this.trigger('change', { property: { name: 'position', value: position } });

            if (event.data !== undefined) {
                position = this.normalize(event.data);
            }

            this._current = position;

            this.invalidate('position');

            this.trigger('changed', { property: { name: 'position', value: this._current } });
        }

        return this._current;
    };

    /**
     * Invalidates the given part of the update routine.
     * @param {String} [part] - The part to invalidate.
     * @returns {Array.<String>} - The invalidated parts.
     */
    Owl.prototype.invalidate = function(part) {
        if ($.type(part) === 'string') {
            this._invalidated[part] = true;
            this.is('valid') && this.leave('valid');
        }
        return $.map(this._invalidated, function(v, i) { return i });
    };

    /**
     * Resets the absolute position of the current item.
     * @public
     * @param {Number} position - The absolute position of the new item.
     */
    Owl.prototype.reset = function(position) {
        position = this.normalize(position);

        if (position === undefined) {
            return;
        }

        this._speed = 0;
        this._current = position;

        this.suppress([ 'translate', 'translated' ]);

        this.animate(this.coordinates(position));

        this.release([ 'translate', 'translated' ]);
    };

    /**
     * Normalizes an absolute or a relative position of an item.
     * @public
     * @param {Number} position - The absolute or relative position to normalize.
     * @param {Boolean} [relative=false] - Whether the given position is relative or not.
     * @returns {Number} - The normalized position.
     */
    Owl.prototype.normalize = function(position, relative) {
        var n = this._items.length,
            m = relative ? 0 : this._clones.length;

        if (!this.isNumeric(position) || n < 1) {
            position = undefined;
        } else if (position < 0 || position >= n + m) {
            position = ((position - m / 2) % n + n) % n + m / 2;
        }

        return position;
    };

    /**
     * Converts an absolute position of an item into a relative one.
     * @public
     * @param {Number} position - The absolute position to convert.
     * @returns {Number} - The converted position.
     */
    Owl.prototype.relative = function(position) {
        position -= this._clones.length / 2;
        return this.normalize(position, true);
    };

    /**
     * Gets the maximum position for the current item.
     * @public
     * @param {Boolean} [relative=false] - Whether to return an absolute position or a relative position.
     * @returns {Number}
     */
    Owl.prototype.maximum = function(relative) {
        var settings = this.settings,
            maximum = this._coordinates.length,
            iterator,
            reciprocalItemsWidth,
            elementWidth;

        if (settings.loop) {
            maximum = this._clones.length / 2 + this._items.length - 1;
        } else if (settings.autoWidth || settings.merge) {
            iterator = this._items.length;
            reciprocalItemsWidth = this._items[--iterator].width();
            elementWidth = this.$element.width();
            while (iterator--) {
                reciprocalItemsWidth += this._items[iterator].width() + this.settings.margin;
                if (reciprocalItemsWidth > elementWidth) {
                    break;
                }
            }
            maximum = iterator + 1;
        } else if (settings.center) {
            maximum = this._items.length - 1;
        } else {
            maximum = this._items.length - settings.items;
        }

        if (relative) {
            maximum -= this._clones.length / 2;
        }

        return Math.max(maximum, 0);
    };

    /**
     * Gets the minimum position for the current item.
     * @public
     * @param {Boolean} [relative=false] - Whether to return an absolute position or a relative position.
     * @returns {Number}
     */
    Owl.prototype.minimum = function(relative) {
        return relative ? 0 : this._clones.length / 2;
    };

    /**
     * Gets an item at the specified relative position.
     * @public
     * @param {Number} [position] - The relative position of the item.
     * @return {jQuery|Array.<jQuery>} - The item at the given position or all items if no position was given.
     */
    Owl.prototype.items = function(position) {
        if (position === undefined) {
            return this._items.slice();
        }

        position = this.normalize(position, true);
        return this._items[position];
    };

    /**
     * Gets an item at the specified relative position.
     * @public
     * @param {Number} [position] - The relative position of the item.
     * @return {jQuery|Array.<jQuery>} - The item at the given position or all items if no position was given.
     */
    Owl.prototype.mergers = function(position) {
        if (position === undefined) {
            return this._mergers.slice();
        }

        position = this.normalize(position, true);
        return this._mergers[position];
    };

    /**
     * Gets the absolute positions of clones for an item.
     * @public
     * @param {Number} [position] - The relative position of the item.
     * @returns {Array.<Number>} - The absolute positions of clones for the item or all if no position was given.
     */
    Owl.prototype.clones = function(position) {
        var odd = this._clones.length / 2,
            even = odd + this._items.length,
            map = function(index) { return index % 2 === 0 ? even + index / 2 : odd - (index + 1) / 2 };

        if (position === undefined) {
            return $.map(this._clones, function(v, i) { return map(i) });
        }

        return $.map(this._clones, function(v, i) { return v === position ? map(i) : null });
    };

    /**
     * Sets the current animation speed.
     * @public
     * @param {Number} [speed] - The animation speed in milliseconds or nothing to leave it unchanged.
     * @returns {Number} - The current animation speed in milliseconds.
     */
    Owl.prototype.speed = function(speed) {
        if (speed !== undefined) {
            this._speed = speed;
        }

        return this._speed;
    };

    /**
     * Gets the coordinate of an item.
     * @todo The name of this method is missleanding.
     * @public
     * @param {Number} position - The absolute position of the item within `minimum()` and `maximum()`.
     * @returns {Number|Array.<Number>} - The coordinate of the item in pixel or all coordinates.
     */
    Owl.prototype.coordinates = function(position) {
        var multiplier = 1,
            newPosition = position - 1,
            coordinate;

        if (position === undefined) {
            return $.map(this._coordinates, $.proxy(function(coordinate, index) {
                return this.coordinates(index);
            }, this));
        }

        if (this.settings.center) {
            if (this.settings.rtl) {
                multiplier = -1;
                newPosition = position + 1;
            }

            coordinate = this._coordinates[position];
            coordinate += (this.width() - coordinate + (this._coordinates[newPosition] || 0)) / 2 * multiplier;
        } else {
            coordinate = this._coordinates[newPosition] || 0;
        }

        coordinate = Math.ceil(coordinate);

        return coordinate;
    };

    /**
     * Calculates the speed for a translation.
     * @protected
     * @param {Number} from - The absolute position of the start item.
     * @param {Number} to - The absolute position of the target item.
     * @param {Number} [factor=undefined] - The time factor in milliseconds.
     * @returns {Number} - The time in milliseconds for the translation.
     */
    Owl.prototype.duration = function(from, to, factor) {
        if (factor === 0) {
            return 0;
        }

        return Math.min(Math.max(Math.abs(to - from), 1), 6) * Math.abs((factor || this.settings.smartSpeed));
    };

    /**
     * Slides to the specified item.
     * @public
     * @param {Number} position - The position of the item.
     * @param {Number} [speed] - The time in milliseconds for the transition.
     */
    Owl.prototype.to = function(position, speed) {
        var current = this.current(),
            revert = null,
            distance = position - this.relative(current),
            direction = (distance > 0) - (distance < 0),
            items = this._items.length,
            minimum = this.minimum(),
            maximum = this.maximum();

        if (this.settings.loop) {
            if (!this.settings.rewind && Math.abs(distance) > items / 2) {
                distance += direction * -1 * items;
            }

            position = current + distance;
            revert = ((position - minimum) % items + items) % items + minimum;

            if (revert !== position && revert - distance <= maximum && revert - distance > 0) {
                current = revert - distance;
                position = revert;
                this.reset(current);
            }
        } else if (this.settings.rewind) {
            maximum += 1;
            position = (position % maximum + maximum) % maximum;
        } else {
            position = Math.max(minimum, Math.min(maximum, position));
        }

        this.speed(this.duration(current, position, speed));
        this.current(position);

        if (this.$element.is(':visible')) {
            this.update();
        }
    };

    /**
     * Slides to the next item.
     * @public
     * @param {Number} [speed] - The time in milliseconds for the transition.
     */
    Owl.prototype.next = function(speed) {
        speed = speed || false;
        this.to(this.relative(this.current()) + 1, speed);
    };

    /**
     * Slides to the previous item.
     * @public
     * @param {Number} [speed] - The time in milliseconds for the transition.
     */
    Owl.prototype.prev = function(speed) {
        speed = speed || false;
        this.to(this.relative(this.current()) - 1, speed);
    };

    /**
     * Handles the end of an animation.
     * @protected
     * @param {Event} event - The event arguments.
     */
    Owl.prototype.onTransitionEnd = function(event) {

        // if css2 animation then event object is undefined
        if (event !== undefined) {
            event.stopPropagation();

            // Catch only owl-stage transitionEnd event
            if ((event.target || event.srcElement || event.originalTarget) !== this.$stage.get(0)) {
                return false;
            }
        }

        this.leave('animating');
        this.trigger('translated');
    };

    /**
     * Gets viewport width.
     * @protected
     * @return {Number} - The width in pixel.
     */
    Owl.prototype.viewport = function() {
        var width;
        if (this.options.responsiveBaseElement !== window) {
            width = $(this.options.responsiveBaseElement).width();
        } else if (window.innerWidth) {
            width = window.innerWidth;
        } else if (document.documentElement && document.documentElement.clientWidth) {
            width = document.documentElement.clientWidth;
        } else {
            console.warn('Can not detect viewport width.');
        }
        return width;
    };

    /**
     * Replaces the current content.
     * @public
     * @param {HTMLElement|jQuery|String} content - The new content.
     */
    Owl.prototype.replace = function(content) {
        this.$stage.empty();
        this._items = [];

        if (content) {
            content = (content instanceof jQuery) ? content : $(content);
        }

        if (this.settings.nestedItemSelector) {
            content = content.find('.' + this.settings.nestedItemSelector);
        }

        content.filter(function() {
            return this.nodeType === 1;
        }).each($.proxy(function(index, item) {
            item = this.prepare(item);
            this.$stage.append(item);
            this._items.push(item);
            this._mergers.push(item.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1);
        }, this));

        this.reset(this.isNumeric(this.settings.startPosition) ? this.settings.startPosition : 0);

        this.invalidate('items');
    };

    /**
     * Adds an item.
     * @todo Use `item` instead of `content` for the event arguments.
     * @public
     * @param {HTMLElement|jQuery|String} content - The item content to add.
     * @param {Number} [position] - The relative position at which to insert the item otherwise the item will be added to the end.
     */
    Owl.prototype.add = function(content, position) {
        var current = this.relative(this._current);

        position = position === undefined ? this._items.length : this.normalize(position, true);
        content = content instanceof jQuery ? content : $(content);

        this.trigger('add', { content: content, position: position });

        content = this.prepare(content);

        if (this._items.length === 0 || position === this._items.length) {
            this._items.length === 0 && this.$stage.append(content);
            this._items.length !== 0 && this._items[position - 1].after(content);
            this._items.push(content);
            this._mergers.push(content.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1);
        } else {
            this._items[position].before(content);
            this._items.splice(position, 0, content);
            this._mergers.splice(position, 0, content.find('[data-merge]').addBack('[data-merge]').attr('data-merge') * 1 || 1);
        }

        this._items[current] && this.reset(this._items[current].index());

        this.invalidate('items');

        this.trigger('added', { content: content, position: position });
    };

    /**
     * Removes an item by its position.
     * @todo Use `item` instead of `content` for the event arguments.
     * @public
     * @param {Number} position - The relative position of the item to remove.
     */
    Owl.prototype.remove = function(position) {
        position = this.normalize(position, true);

        if (position === undefined) {
            return;
        }

        this.trigger('remove', { content: this._items[position], position: position });

        this._items[position].remove();
        this._items.splice(position, 1);
        this._mergers.splice(position, 1);

        this.invalidate('items');

        this.trigger('removed', { content: null, position: position });
    };

    /**
     * Preloads images with auto width.
     * @todo Replace by a more generic approach
     * @protected
     */
    Owl.prototype.preloadAutoWidthImages = function(images) {
        images.each($.proxy(function(i, element) {
            this.enter('pre-loading');
            element = $(element);
            $(new Image()).one('load', $.proxy(function(e) {
                element.attr('src', e.target.src);
                element.css('opacity', 1);
                this.leave('pre-loading');
                !this.is('pre-loading') && !this.is('initializing') && this.refresh();
            }, this)).attr('src', element.attr('src') || element.attr('data-src') || element.attr('data-src-retina'));
        }, this));
    };

    /**
     * Destroys the carousel.
     * @public
     */
    Owl.prototype.destroy = function() {

        this.$element.off('.owl.core');
        this.$stage.off('.owl.core');
        $(document).off('.owl.core');

        if (this.settings.responsive !== false) {
            window.clearTimeout(this.resizeTimer);
            this.off(window, 'resize', this._handlers.onThrottledResize);
        }

        for (var i in this._plugins) {
            this._plugins[i].destroy();
        }

        this.$stage.children('.cloned').remove();

        this.$stage.unwrap();
        this.$stage.children().contents().unwrap();
        this.$stage.children().unwrap();

        this.$element
            .removeClass(this.options.refreshClass)
            .removeClass(this.options.loadingClass)
            .removeClass(this.options.loadedClass)
            .removeClass(this.options.rtlClass)
            .removeClass(this.options.dragClass)
            .removeClass(this.options.grabClass)
            .attr('class', this.$element.attr('class').replace(new RegExp(this.options.responsiveClass + '-\\S+\\s', 'g'), ''))
            .removeData('owl.carousel');
    };

    /**
     * Operators to calculate right-to-left and left-to-right.
     * @protected
     * @param {Number} [a] - The left side operand.
     * @param {String} [o] - The operator.
     * @param {Number} [b] - The right side operand.
     */
    Owl.prototype.op = function(a, o, b) {
        var rtl = this.settings.rtl;
        switch (o) {
            case '<':
                return rtl ? a > b : a < b;
            case '>':
                return rtl ? a < b : a > b;
            case '>=':
                return rtl ? a <= b : a >= b;
            case '<=':
                return rtl ? a >= b : a <= b;
            default:
                break;
        }
    };

    /**
     * Attaches to an internal event.
     * @protected
     * @param {HTMLElement} element - The event source.
     * @param {String} event - The event name.
     * @param {Function} listener - The event handler to attach.
     * @param {Boolean} capture - Wether the event should be handled at the capturing phase or not.
     */
    Owl.prototype.on = function(element, event, listener, capture) {
        if (element.addEventListener) {
            element.addEventListener(event, listener, capture);
        } else if (element.attachEvent) {
            element.attachEvent('on' + event, listener);
        }
    };

    /**
     * Detaches from an internal event.
     * @protected
     * @param {HTMLElement} element - The event source.
     * @param {String} event - The event name.
     * @param {Function} listener - The attached event handler to detach.
     * @param {Boolean} capture - Wether the attached event handler was registered as a capturing listener or not.
     */
    Owl.prototype.off = function(element, event, listener, capture) {
        if (element.removeEventListener) {
            element.removeEventListener(event, listener, capture);
        } else if (element.detachEvent) {
            element.detachEvent('on' + event, listener);
        }
    };

    /**
     * Triggers a public event.
     * @todo Remove `status`, `relatedTarget` should be used instead.
     * @protected
     * @param {String} name - The event name.
     * @param {*} [data=null] - The event data.
     * @param {String} [namespace=carousel] - The event namespace.
     * @param {String} [state] - The state which is associated with the event.
     * @param {Boolean} [enter=false] - Indicates if the call enters the specified state or not.
     * @returns {Event} - The event arguments.
     */
    Owl.prototype.trigger = function(name, data, namespace, state, enter) {
        var status = {
            item: { count: this._items.length, index: this.current() }
        }, handler = $.camelCase(
            $.grep([ 'on', name, namespace ], function(v) { return v })
                .join('-').toLowerCase()
        ), event = $.Event(
            [ name, 'owl', namespace || 'carousel' ].join('.').toLowerCase(),
            $.extend({ relatedTarget: this }, status, data)
        );

        if (!this._supress[name]) {
            $.each(this._plugins, function(name, plugin) {
                if (plugin.onTrigger) {
                    plugin.onTrigger(event);
                }
            });

            this.register({ type: Owl.Type.Event, name: name });
            this.$element.trigger(event);

            if (this.settings && typeof this.settings[handler] === 'function') {
                this.settings[handler].call(this, event);
            }
        }

        return event;
    };

    /**
     * Enters a state.
     * @param name - The state name.
     */
    Owl.prototype.enter = function(name) {
        $.each([ name ].concat(this._states.tags[name] || []), $.proxy(function(i, name) {
            if (this._states.current[name] === undefined) {
                this._states.current[name] = 0;
            }

            this._states.current[name]++;
        }, this));
    };

    /**
     * Leaves a state.
     * @param name - The state name.
     */
    Owl.prototype.leave = function(name) {
        $.each([ name ].concat(this._states.tags[name] || []), $.proxy(function(i, name) {
            this._states.current[name]--;
        }, this));
    };

    /**
     * Registers an event or state.
     * @public
     * @param {Object} object - The event or state to register.
     */
    Owl.prototype.register = function(object) {
        if (object.type === Owl.Type.Event) {
            if (!$.event.special[object.name]) {
                $.event.special[object.name] = {};
            }

            if (!$.event.special[object.name].owl) {
                var _default = $.event.special[object.name]._default;
                $.event.special[object.name]._default = function(e) {
                    if (_default && _default.apply && (!e.namespace || e.namespace.indexOf('owl') === -1)) {
                        return _default.apply(this, arguments);
                    }
                    return e.namespace && e.namespace.indexOf('owl') > -1;
                };
                $.event.special[object.name].owl = true;
            }
        } else if (object.type === Owl.Type.State) {
            if (!this._states.tags[object.name]) {
                this._states.tags[object.name] = object.tags;
            } else {
                this._states.tags[object.name] = this._states.tags[object.name].concat(object.tags);
            }

            this._states.tags[object.name] = $.grep(this._states.tags[object.name], $.proxy(function(tag, i) {
                return $.inArray(tag, this._states.tags[object.name]) === i;
            }, this));
        }
    };

    /**
     * Suppresses events.
     * @protected
     * @param {Array.<String>} events - The events to suppress.
     */
    Owl.prototype.suppress = function(events) {
        $.each(events, $.proxy(function(index, event) {
            this._supress[event] = true;
        }, this));
    };

    /**
     * Releases suppressed events.
     * @protected
     * @param {Array.<String>} events - The events to release.
     */
    Owl.prototype.release = function(events) {
        $.each(events, $.proxy(function(index, event) {
            delete this._supress[event];
        }, this));
    };

    /**
     * Gets unified pointer coordinates from event.
     * @todo #261
     * @protected
     * @param {Event} - The `mousedown` or `touchstart` event.
     * @returns {Object} - Contains `x` and `y` coordinates of current pointer position.
     */
    Owl.prototype.pointer = function(event) {
        var result = { x: null, y: null };

        event = event.originalEvent || event || window.event;

        event = event.touches && event.touches.length ?
            event.touches[0] : event.changedTouches && event.changedTouches.length ?
                event.changedTouches[0] : event;

        if (event.pageX) {
            result.x = event.pageX;
            result.y = event.pageY;
        } else {
            result.x = event.clientX;
            result.y = event.clientY;
        }

        return result;
    };

    /**
     * Determines if the input is a Number or something that can be coerced to a Number
     * @protected
     * @param {Number|String|Object|Array|Boolean|RegExp|Function|Symbol} - The input to be tested
     * @returns {Boolean} - An indication if the input is a Number or can be coerced to a Number
     */
    Owl.prototype.isNumeric = function(number) {
        return !isNaN(parseFloat(number));
    };

    /**
     * Gets the difference of two vectors.
     * @todo #261
     * @protected
     * @param {Object} - The first vector.
     * @param {Object} - The second vector.
     * @returns {Object} - The difference.
     */
    Owl.prototype.difference = function(first, second) {
        return {
            x: first.x - second.x,
            y: first.y - second.y
        };
    };

    /**
     * The jQuery Plugin for the Owl Carousel
     * @todo Navigation plugin `next` and `prev`
     * @public
     */
    $.fn.owlCarousel = function(option) {
        var args = Array.prototype.slice.call(arguments, 1);

        return this.each(function() {
            var $this = $(this),
                data = $this.data('owl.carousel');

            if (!data) {
                data = new Owl(this, typeof option == 'object' && option);
                $this.data('owl.carousel', data);

                $.each([
                    'next', 'prev', 'to', 'destroy', 'refresh', 'replace', 'add', 'remove'
                ], function(i, event) {
                    data.register({ type: Owl.Type.Event, name: event });
                    data.$element.on(event + '.owl.carousel.core', $.proxy(function(e) {
                        if (e.namespace && e.relatedTarget !== this) {
                            this.suppress([ event ]);
                            data[event].apply(this, [].slice.call(arguments, 1));
                            this.release([ event ]);
                        }
                    }, data));
                });
            }

            if (typeof option == 'string' && option.charAt(0) !== '_') {
                data[option].apply(data, args);
            }
        });
    };

    /**
     * The constructor for the jQuery Plugin
     * @public
     */
    $.fn.owlCarousel.Constructor = Owl;

})(window.Zepto || window.jQuery, window, document);

/**
 * AutoRefresh Plugin
 * @version 2.1.0
 * @author Artus Kolanowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {

    /**
     * Creates the auto refresh plugin.
     * @class The Auto Refresh Plugin
     * @param {Owl} carousel - The Owl Carousel
     */
    var AutoRefresh = function(carousel) {
        /**
         * Reference to the core.
         * @protected
         * @type {Owl}
         */
        this._core = carousel;

        /**
         * Refresh interval.
         * @protected
         * @type {number}
         */
        this._interval = null;

        /**
         * Whether the element is currently visible or not.
         * @protected
         * @type {Boolean}
         */
        this._visible = null;

        /**
         * All event handlers.
         * @protected
         * @type {Object}
         */
        this._handlers = {
            'initialized.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.autoRefresh) {
                    this.watch();
                }
            }, this)
        };

        // set default options
        this._core.options = $.extend({}, AutoRefresh.Defaults, this._core.options);

        // register event handlers
        this._core.$element.on(this._handlers);
    };

    /**
     * Default options.
     * @public
     */
    AutoRefresh.Defaults = {
        autoRefresh: true,
        autoRefreshInterval: 500
    };

    /**
     * Watches the element.
     */
    AutoRefresh.prototype.watch = function() {
        if (this._interval) {
            return;
        }

        this._visible = this._core.$element.is(':visible');
        this._interval = window.setInterval($.proxy(this.refresh, this), this._core.settings.autoRefreshInterval);
    };

    /**
     * Refreshes the element.
     */
    AutoRefresh.prototype.refresh = function() {
        if (this._core.$element.is(':visible') === this._visible) {
            return;
        }

        this._visible = !this._visible;

        this._core.$element.toggleClass('owl-hidden', !this._visible);

        this._visible && (this._core.invalidate('width') && this._core.refresh());
    };

    /**
     * Destroys the plugin.
     */
    AutoRefresh.prototype.destroy = function() {
        var handler, property;

        window.clearInterval(this._interval);

        for (handler in this._handlers) {
            this._core.$element.off(handler, this._handlers[handler]);
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.AutoRefresh = AutoRefresh;

})(window.Zepto || window.jQuery, window, document);

/**
 * Lazy Plugin
 * @version 2.1.0
 * @author Bartosz Wojciechowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {

    /**
     * Creates the lazy plugin.
     * @class The Lazy Plugin
     * @param {Owl} carousel - The Owl Carousel
     */
    var Lazy = function(carousel) {

        /**
         * Reference to the core.
         * @protected
         * @type {Owl}
         */
        this._core = carousel;

        /**
         * Already loaded items.
         * @protected
         * @type {Array.<jQuery>}
         */
        this._loaded = [];

        /**
         * Event handlers.
         * @protected
         * @type {Object}
         */
        this._handlers = {
            'initialized.owl.carousel change.owl.carousel resized.owl.carousel': $.proxy(function(e) {
                if (!e.namespace) {
                    return;
                }

                if (!this._core.settings || !this._core.settings.lazyLoad) {
                    return;
                }

                if ((e.property && e.property.name == 'position') || e.type == 'initialized') {
                    var settings = this._core.settings,
                        n = (settings.center && Math.ceil(settings.items / 2) || settings.items),
                        i = ((settings.center && n * -1) || 0),
                        position = (e.property && e.property.value !== undefined ? e.property.value : this._core.current()) + i,
                        clones = this._core.clones().length,
                        load = $.proxy(function(i, v) { this.load(v) }, this);

                    while (i++ < n) {
                        this.load(clones / 2 + this._core.relative(position));
                        clones && $.each(this._core.clones(this._core.relative(position)), load);
                        position++;
                    }
                }
            }, this)
        };

        // set the default options
        this._core.options = $.extend({}, Lazy.Defaults, this._core.options);

        // register event handler
        this._core.$element.on(this._handlers);
    };

    /**
     * Default options.
     * @public
     */
    Lazy.Defaults = {
        lazyLoad: false
    };

    /**
     * Loads all resources of an item at the specified position.
     * @param {Number} position - The absolute position of the item.
     * @protected
     */
    Lazy.prototype.load = function(position) {
        var $item = this._core.$stage.children().eq(position),
            $elements = $item && $item.find('.owl-lazy');

        if (!$elements || $.inArray($item.get(0), this._loaded) > -1) {
            return;
        }

        $elements.each($.proxy(function(index, element) {
            var $element = $(element), image,
                url = (window.devicePixelRatio > 1 && $element.attr('data-src-retina')) || $element.attr('data-src');

            this._core.trigger('load', { element: $element, url: url }, 'lazy');

            if ($element.is('img')) {
                $element.one('load.owl.lazy', $.proxy(function() {
                    $element.css('opacity', 1);
                    this._core.trigger('loaded', { element: $element, url: url }, 'lazy');
                }, this)).attr('src', url);
            } else {
                image = new Image();
                image.onload = $.proxy(function() {
                    $element.css({
                        'background-image': 'url("' + url + '")',
                        'opacity': '1'
                    });
                    this._core.trigger('loaded', { element: $element, url: url }, 'lazy');
                }, this);
                image.src = url;
            }
        }, this));

        this._loaded.push($item.get(0));
    };

    /**
     * Destroys the plugin.
     * @public
     */
    Lazy.prototype.destroy = function() {
        var handler, property;

        for (handler in this.handlers) {
            this._core.$element.off(handler, this.handlers[handler]);
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.Lazy = Lazy;

})(window.Zepto || window.jQuery, window, document);

/**
 * AutoHeight Plugin
 * @version 2.1.0
 * @author Bartosz Wojciechowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {

    /**
     * Creates the auto height plugin.
     * @class The Auto Height Plugin
     * @param {Owl} carousel - The Owl Carousel
     */
    var AutoHeight = function(carousel) {
        /**
         * Reference to the core.
         * @protected
         * @type {Owl}
         */
        this._core = carousel;

        /**
         * All event handlers.
         * @protected
         * @type {Object}
         */
        this._handlers = {
            'initialized.owl.carousel refreshed.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.autoHeight) {
                    this.update();
                }
            }, this),
            'changed.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.autoHeight && e.property.name == 'position'){
                    this.update();
                }
            }, this),
            'loaded.owl.lazy': $.proxy(function(e) {
                if (e.namespace && this._core.settings.autoHeight
                    && e.element.closest('.' + this._core.settings.itemClass).index() === this._core.current()) {
                    this.update();
                }
            }, this)
        };

        // set default options
        this._core.options = $.extend({}, AutoHeight.Defaults, this._core.options);

        // register event handlers
        this._core.$element.on(this._handlers);
    };

    /**
     * Default options.
     * @public
     */
    AutoHeight.Defaults = {
        autoHeight: false,
        autoHeightClass: 'owl-height'
    };

    /**
     * Updates the view.
     */
    AutoHeight.prototype.update = function() {
        var start = this._core._current,
            end = start + this._core.settings.items,
            visible = this._core.$stage.children().toArray().slice(start, end),
            heights = [],
            maxheight = 0;

        $.each(visible, function(index, item) {
            heights.push($(item).height());
        });

        maxheight = Math.max.apply(null, heights);

        this._core.$stage.parent()
            .height(maxheight)
            .addClass(this._core.settings.autoHeightClass);
    };

    AutoHeight.prototype.destroy = function() {
        var handler, property;

        for (handler in this._handlers) {
            this._core.$element.off(handler, this._handlers[handler]);
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.AutoHeight = AutoHeight;

})(window.Zepto || window.jQuery, window, document);

/**
 * Video Plugin
 * @version 2.1.0
 * @author Bartosz Wojciechowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {

    /**
     * Creates the video plugin.
     * @class The Video Plugin
     * @param {Owl} carousel - The Owl Carousel
     */
    var Video = function(carousel) {
        /**
         * Reference to the core.
         * @protected
         * @type {Owl}
         */
        this._core = carousel;

        /**
         * Cache all video URLs.
         * @protected
         * @type {Object}
         */
        this._videos = {};

        /**
         * Current playing item.
         * @protected
         * @type {jQuery}
         */
        this._playing = null;

        /**
         * All event handlers.
         * @todo The cloned content removale is too late
         * @protected
         * @type {Object}
         */
        this._handlers = {
            'initialized.owl.carousel': $.proxy(function(e) {
                if (e.namespace) {
                    this._core.register({ type: 'state', name: 'playing', tags: [ 'interacting' ] });
                }
            }, this),
            'resize.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.video && this.isInFullScreen()) {
                    e.preventDefault();
                }
            }, this),
            'refreshed.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.is('resizing')) {
                    this._core.$stage.find('.cloned .owl-video-frame').remove();
                }
            }, this),
            'changed.owl.carousel': $.proxy(function(e) {
                if (e.namespace && e.property.name === 'position' && this._playing) {
                    this.stop();
                }
            }, this),
            'prepared.owl.carousel': $.proxy(function(e) {
                if (!e.namespace) {
                    return;
                }

                var $element = $(e.content).find('.owl-video');

                if ($element.length) {
                    $element.css('display', 'none');
                    this.fetch($element, $(e.content));
                }
            }, this)
        };

        // set default options
        this._core.options = $.extend({}, Video.Defaults, this._core.options);

        // register event handlers
        this._core.$element.on(this._handlers);

        this._core.$element.on('click.owl.video', '.owl-video-play-icon', $.proxy(function(e) {
            this.play(e);
        }, this));
    };

    /**
     * Default options.
     * @public
     */
    Video.Defaults = {
        video: false,
        videoHeight: false,
        videoWidth: false
    };

    /**
     * Gets the video ID and the type (YouTube/Vimeo/vzaar only).
     * @protected
     * @param {jQuery} target - The target containing the video data.
     * @param {jQuery} item - The item containing the video.
     */
    Video.prototype.fetch = function(target, item) {
            var type = (function() {
                    if (target.attr('data-vimeo-id')) {
                        return 'vimeo';
                    } else if (target.attr('data-vzaar-id')) {
                        return 'vzaar'
                    } else {
                        return 'youtube';
                    }
                })(),
                id = target.attr('data-vimeo-id') || target.attr('data-youtube-id') || target.attr('data-vzaar-id'),
                width = target.attr('data-width') || this._core.settings.videoWidth,
                height = target.attr('data-height') || this._core.settings.videoHeight,
                url = target.attr('href');

        if (url) {

            /*
                    Parses the id's out of the following urls (and probably more):
                    https://www.youtube.com/watch?v=:id
                    https://youtu.be/:id
                    https://vimeo.com/:id
                    https://vimeo.com/channels/:channel/:id
                    https://vimeo.com/groups/:group/videos/:id
                    https://app.vzaar.com/videos/:id

                    Visual example: https://regexper.com/#(http%3A%7Chttps%3A%7C)%5C%2F%5C%2F(player.%7Cwww.%7Capp.)%3F(vimeo%5C.com%7Cyoutu(be%5C.com%7C%5C.be%7Cbe%5C.googleapis%5C.com)%7Cvzaar%5C.com)%5C%2F(video%5C%2F%7Cvideos%5C%2F%7Cembed%5C%2F%7Cchannels%5C%2F.%2B%5C%2F%7Cgroups%5C%2F.%2B%5C%2F%7Cwatch%5C%3Fv%3D%7Cv%5C%2F)%3F(%5BA-Za-z0-9._%25-%5D*)(%5C%26%5CS%2B)%3F
            */

            id = url.match(/(http:|https:|)\/\/(player.|www.|app.)?(vimeo\.com|youtu(be\.com|\.be|be\.googleapis\.com)|vzaar\.com)\/(video\/|videos\/|embed\/|channels\/.+\/|groups\/.+\/|watch\?v=|v\/)?([A-Za-z0-9._%-]*)(\&\S+)?/);

            if (id[3].indexOf('youtu') > -1) {
                type = 'youtube';
            } else if (id[3].indexOf('vimeo') > -1) {
                type = 'vimeo';
            } else if (id[3].indexOf('vzaar') > -1) {
                type = 'vzaar';
            } else {
                throw new Error('Video URL not supported.');
            }
            id = id[6];
        } else {
            throw new Error('Missing video URL.');
        }

        this._videos[url] = {
            type: type,
            id: id,
            width: width,
            height: height
        };

        item.attr('data-video', url);

        this.thumbnail(target, this._videos[url]);
    };

    /**
     * Creates video thumbnail.
     * @protected
     * @param {jQuery} target - The target containing the video data.
     * @param {Object} info - The video info object.
     * @see `fetch`
     */
    Video.prototype.thumbnail = function(target, video) {
        var tnLink,
            icon,
            path,
            dimensions = video.width && video.height ? 'style="width:' + video.width + 'px;height:' + video.height + 'px;"' : '',
            customTn = target.find('img'),
            srcType = 'src',
            lazyClass = '',
            settings = this._core.settings,
            create = function(path) {
                icon = '<div class="owl-video-play-icon"></div>';

                if (settings.lazyLoad) {
                    tnLink = '<div class="owl-video-tn ' + lazyClass + '" ' + srcType + '="' + path + '"></div>';
                } else {
                    tnLink = '<div class="owl-video-tn" style="opacity:1;background-image:url(' + path + ')"></div>';
                }
                target.after(tnLink);
                target.after(icon);
            };

        // wrap video content into owl-video-wrapper div
        target.wrap('<div class="owl-video-wrapper"' + dimensions + '></div>');

        if (this._core.settings.lazyLoad) {
            srcType = 'data-src';
            lazyClass = 'owl-lazy';
        }

        // custom thumbnail
        if (customTn.length) {
            create(customTn.attr(srcType));
            customTn.remove();
            return false;
        }

        if (video.type === 'youtube') {
            path = "//img.youtube.com/vi/" + video.id + "/hqdefault.jpg";
            create(path);
        } else if (video.type === 'vimeo') {
            $.ajax({
                type: 'GET',
                url: '//vimeo.com/api/v2/video/' + video.id + '.json',
                jsonp: 'callback',
                dataType: 'jsonp',
                success: function(data) {
                    path = data[0].thumbnail_large;
                    create(path);
                }
            });
        } else if (video.type === 'vzaar') {
            $.ajax({
                type: 'GET',
                url: '//vzaar.com/api/videos/' + video.id + '.json',
                jsonp: 'callback',
                dataType: 'jsonp',
                success: function(data) {
                    path = data.framegrab_url;
                    create(path);
                }
            });
        }
    };

    /**
     * Stops the current video.
     * @public
     */
    Video.prototype.stop = function() {
        this._core.trigger('stop', null, 'video');
        this._playing.find('.owl-video-frame').remove();
        this._playing.removeClass('owl-video-playing');
        this._playing = null;
        this._core.leave('playing');
        this._core.trigger('stopped', null, 'video');
    };

    /**
     * Starts the current video.
     * @public
     * @param {Event} event - The event arguments.
     */
    Video.prototype.play = function(event) {
        var target = $(event.target),
            item = target.closest('.' + this._core.settings.itemClass),
            video = this._videos[item.attr('data-video')],
            width = video.width || '100%',
            height = video.height || this._core.$stage.height(),
            html;

        if (this._playing) {
            return;
        }

        this._core.enter('playing');
        this._core.trigger('play', null, 'video');

        item = this._core.items(this._core.relative(item.index()));

        this._core.reset(item.index());

        if (video.type === 'youtube') {
            html = '<iframe width="' + width + '" height="' + height + '" src="//www.youtube.com/embed/' +
                video.id + '?autoplay=1&rel=0&v=' + video.id + '" frameborder="0" allowfullscreen></iframe>';
        } else if (video.type === 'vimeo') {
            html = '<iframe src="//player.vimeo.com/video/' + video.id +
                '?autoplay=1" width="' + width + '" height="' + height +
                '" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>';
        } else if (video.type === 'vzaar') {
            html = '<iframe frameborder="0"' + 'height="' + height + '"' + 'width="' + width +
                '" allowfullscreen mozallowfullscreen webkitAllowFullScreen ' +
                'src="//view.vzaar.com/' + video.id + '/player?autoplay=true"></iframe>';
        }

        $('<div class="owl-video-frame">' + html + '</div>').insertAfter(item.find('.owl-video'));

        this._playing = item.addClass('owl-video-playing');
    };

    /**
     * Checks whether an video is currently in full screen mode or not.
     * @todo Bad style because looks like a readonly method but changes members.
     * @protected
     * @returns {Boolean}
     */
    Video.prototype.isInFullScreen = function() {
        var element = document.fullscreenElement || document.mozFullScreenElement ||
                document.webkitFullscreenElement;

        return element && $(element).parent().hasClass('owl-video-frame');
    };

    /**
     * Destroys the plugin.
     */
    Video.prototype.destroy = function() {
        var handler, property;

        this._core.$element.off('click.owl.video');

        for (handler in this._handlers) {
            this._core.$element.off(handler, this._handlers[handler]);
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.Video = Video;

})(window.Zepto || window.jQuery, window, document);

/**
 * Animate Plugin
 * @version 2.1.0
 * @author Bartosz Wojciechowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {

    /**
     * Creates the animate plugin.
     * @class The Navigation Plugin
     * @param {Owl} scope - The Owl Carousel
     */
    var Animate = function(scope) {
        this.core = scope;
        this.core.options = $.extend({}, Animate.Defaults, this.core.options);
        this.swapping = true;
        this.previous = undefined;
        this.next = undefined;

        this.handlers = {
            'change.owl.carousel': $.proxy(function(e) {
                if (e.namespace && e.property.name == 'position') {
                    this.previous = this.core.current();
                    this.next = e.property.value;
                }
            }, this),
            'drag.owl.carousel dragged.owl.carousel translated.owl.carousel': $.proxy(function(e) {
                if (e.namespace) {
                    this.swapping = e.type == 'translated';
                }
            }, this),
            'translate.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this.swapping && (this.core.options.animateOut || this.core.options.animateIn)) {
                    this.swap();
                }
            }, this)
        };

        this.core.$element.on(this.handlers);
    };

    /**
     * Default options.
     * @public
     */
    Animate.Defaults = {
        animateOut: false,
        animateIn: false
    };

    /**
     * Toggles the animation classes whenever an translations starts.
     * @protected
     * @returns {Boolean|undefined}
     */
    Animate.prototype.swap = function() {

        if (this.core.settings.items !== 1) {
            return;
        }

        if (!$.support.animation || !$.support.transition) {
            return;
        }

        this.core.speed(0);

        var left,
            clear = $.proxy(this.clear, this),
            previous = this.core.$stage.children().eq(this.previous),
            next = this.core.$stage.children().eq(this.next),
            incoming = this.core.settings.animateIn,
            outgoing = this.core.settings.animateOut;

        if (this.core.current() === this.previous) {
            return;
        }

        if (outgoing) {
            left = this.core.coordinates(this.previous) - this.core.coordinates(this.next);
            previous.one($.support.animation.end, clear)
                .css( { 'left': left + 'px' } )
                .addClass('animated owl-animated-out')
                .addClass(outgoing);
        }

        if (incoming) {
            next.one($.support.animation.end, clear)
                .addClass('animated owl-animated-in')
                .addClass(incoming);
        }
    };

    Animate.prototype.clear = function(e) {
        $(e.target).css( { 'left': '' } )
            .removeClass('animated owl-animated-out owl-animated-in')
            .removeClass(this.core.settings.animateIn)
            .removeClass(this.core.settings.animateOut);
        this.core.onTransitionEnd();
    };

    /**
     * Destroys the plugin.
     * @public
     */
    Animate.prototype.destroy = function() {
        var handler, property;

        for (handler in this.handlers) {
            this.core.$element.off(handler, this.handlers[handler]);
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.Animate = Animate;

})(window.Zepto || window.jQuery, window, document);

/**
 * Autoplay Plugin
 * @version 2.1.0
 * @author Bartosz Wojciechowski
 * @author Artus Kolanowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {

    /**
     * Creates the autoplay plugin.
     * @class The Autoplay Plugin
     * @param {Owl} scope - The Owl Carousel
     */
    var Autoplay = function(carousel) {
        /**
         * Reference to the core.
         * @protected
         * @type {Owl}
         */
        this._core = carousel;

        /**
         * The autoplay timeout.
         * @type {Timeout}
         */
        this._timeout = null;

        /**
         * Indicates whenever the autoplay is paused.
         * @type {Boolean}
         */
        this._paused = false;

        /**
         * All event handlers.
         * @protected
         * @type {Object}
         */
        this._handlers = {
            'changed.owl.carousel': $.proxy(function(e) {
                if (e.namespace && e.property.name === 'settings') {
                    if (this._core.settings.autoplay) {
                        this.play();
                    } else {
                        this.stop();
                    }
                } else if (e.namespace && e.property.name === 'position') {
                    //console.log('play?', e);
                    if (this._core.settings.autoplay) {
                        this._setAutoPlayInterval();
                    }
                }
            }, this),
            'initialized.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.autoplay) {
                    this.play();
                }
            }, this),
            'play.owl.autoplay': $.proxy(function(e, t, s) {
                if (e.namespace) {
                    this.play(t, s);
                }
            }, this),
            'stop.owl.autoplay': $.proxy(function(e) {
                if (e.namespace) {
                    this.stop();
                }
            }, this),
            'mouseover.owl.autoplay': $.proxy(function() {
                if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
                    this.pause();
                }
            }, this),
            'mouseleave.owl.autoplay': $.proxy(function() {
                if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
                    this.play();
                }
            }, this),
            'touchstart.owl.core': $.proxy(function() {
                if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
                    this.pause();
                }
            }, this),
            'touchend.owl.core': $.proxy(function() {
                if (this._core.settings.autoplayHoverPause) {
                    this.play();
                }
            }, this)
        };

        // register event handlers
        this._core.$element.on(this._handlers);

        // set default options
        this._core.options = $.extend({}, Autoplay.Defaults, this._core.options);
    };

    /**
     * Default options.
     * @public
     */
    Autoplay.Defaults = {
        autoplay: false,
        autoplayTimeout: 5000,
        autoplayHoverPause: false,
        autoplaySpeed: false
    };

    /**
     * Starts the autoplay.
     * @public
     * @param {Number} [timeout] - The interval before the next animation starts.
     * @param {Number} [speed] - The animation speed for the animations.
     */
    Autoplay.prototype.play = function(timeout, speed) {
        this._paused = false;

        if (this._core.is('rotating')) {
            return;
        }

        this._core.enter('rotating');

        this._setAutoPlayInterval();
    };

    /**
     * Gets a new timeout
     * @private
     * @param {Number} [timeout] - The interval before the next animation starts.
     * @param {Number} [speed] - The animation speed for the animations.
     * @return {Timeout}
     */
    Autoplay.prototype._getNextTimeout = function(timeout, speed) {
        if ( this._timeout ) {
            window.clearTimeout(this._timeout);
        }
        return window.setTimeout($.proxy(function() {
            if (this._paused || this._core.is('busy') || this._core.is('interacting') || document.hidden) {
                return;
            }
            this._core.next(speed || this._core.settings.autoplaySpeed);
        }, this), timeout || this._core.settings.autoplayTimeout);
    };

    /**
     * Sets autoplay in motion.
     * @private
     */
    Autoplay.prototype._setAutoPlayInterval = function() {
        this._timeout = this._getNextTimeout();
    };

    /**
     * Stops the autoplay.
     * @public
     */
    Autoplay.prototype.stop = function() {
        if (!this._core.is('rotating')) {
            return;
        }

        window.clearTimeout(this._timeout);
        this._core.leave('rotating');
    };

    /**
     * Stops the autoplay.
     * @public
     */
    Autoplay.prototype.pause = function() {
        if (!this._core.is('rotating')) {
            return;
        }

        this._paused = true;
    };

    /**
     * Destroys the plugin.
     */
    Autoplay.prototype.destroy = function() {
        var handler, property;

        this.stop();

        for (handler in this._handlers) {
            this._core.$element.off(handler, this._handlers[handler]);
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.autoplay = Autoplay;

})(window.Zepto || window.jQuery, window, document);

/**
 * Navigation Plugin
 * @version 2.1.0
 * @author Artus Kolanowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {
    'use strict';

    /**
     * Creates the navigation plugin.
     * @class The Navigation Plugin
     * @param {Owl} carousel - The Owl Carousel.
     */
    var Navigation = function(carousel) {
        /**
         * Reference to the core.
         * @protected
         * @type {Owl}
         */
        this._core = carousel;

        /**
         * Indicates whether the plugin is initialized or not.
         * @protected
         * @type {Boolean}
         */
        this._initialized = false;

        /**
         * The current paging indexes.
         * @protected
         * @type {Array}
         */
        this._pages = [];

        /**
         * All DOM elements of the user interface.
         * @protected
         * @type {Object}
         */
        this._controls = {};

        /**
         * Markup for an indicator.
         * @protected
         * @type {Array.<String>}
         */
        this._templates = [];

        /**
         * The carousel element.
         * @type {jQuery}
         */
        this.$element = this._core.$element;

        /**
         * Overridden methods of the carousel.
         * @protected
         * @type {Object}
         */
        this._overrides = {
            next: this._core.next,
            prev: this._core.prev,
            to: this._core.to
        };

        /**
         * All event handlers.
         * @protected
         * @type {Object}
         */
        this._handlers = {
            'prepared.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.dotsData) {
                    this._templates.push('<div class="' + this._core.settings.dotClass + '">' +
                        $(e.content).find('[data-dot]').addBack('[data-dot]').attr('data-dot') + '</div>');
                }
            }, this),
            'added.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.dotsData) {
                    this._templates.splice(e.position, 0, this._templates.pop());
                }
            }, this),
            'remove.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.dotsData) {
                    this._templates.splice(e.position, 1);
                }
            }, this),
            'changed.owl.carousel': $.proxy(function(e) {
                if (e.namespace && e.property.name == 'position') {
                    this.draw();
                }
            }, this),
            'initialized.owl.carousel': $.proxy(function(e) {
                if (e.namespace && !this._initialized) {
                    this._core.trigger('initialize', null, 'navigation');
                    this.initialize();
                    this.update();
                    this.draw();
                    this._initialized = true;
                    this._core.trigger('initialized', null, 'navigation');
                }
            }, this),
            'refreshed.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._initialized) {
                    this._core.trigger('refresh', null, 'navigation');
                    this.update();
                    this.draw();
                    this._core.trigger('refreshed', null, 'navigation');
                }
            }, this)
        };

        // set default options
        this._core.options = $.extend({}, Navigation.Defaults, this._core.options);

        // register event handlers
        this.$element.on(this._handlers);
    };

    /**
     * Default options.
     * @public
     * @todo Rename `slideBy` to `navBy`
     */
    Navigation.Defaults = {
        nav: false,
        navText: [ 'prev', 'next' ],
        navSpeed: false,
        navElement: 'div',
        navContainer: false,
        navContainerClass: 'owl-nav',
        navClass: [ 'owl-prev', 'owl-next' ],
        slideBy: 1,
        dotClass: 'owl-dot',
        dotsClass: 'owl-dots',
        dots: true,
        dotsEach: false,
        dotsData: false,
        dotsSpeed: false,
        dotsContainer: false
    };

    /**
     * Initializes the layout of the plugin and extends the carousel.
     * @protected
     */
    Navigation.prototype.initialize = function() {
        var override,
            settings = this._core.settings;

        // create DOM structure for relative navigation
        this._controls.$relative = (settings.navContainer ? $(settings.navContainer)
            : $('<div>').addClass(settings.navContainerClass).appendTo(this.$element)).addClass('disabled');

        this._controls.$previous = $('<' + settings.navElement + '>')
            .addClass(settings.navClass[0])
            .html(settings.navText[0])
            .prependTo(this._controls.$relative)
            .on('click', $.proxy(function(e) {
                this.prev(settings.navSpeed);
            }, this));
        this._controls.$next = $('<' + settings.navElement + '>')
            .addClass(settings.navClass[1])
            .html(settings.navText[1])
            .appendTo(this._controls.$relative)
            .on('click', $.proxy(function(e) {
                this.next(settings.navSpeed);
            }, this));

        // create DOM structure for absolute navigation
        if (!settings.dotsData) {
            this._templates = [ $('<div>')
                .addClass(settings.dotClass)
                .append($('<span>'))
                .prop('outerHTML') ];
        }

        this._controls.$absolute = (settings.dotsContainer ? $(settings.dotsContainer)
            : $('<div>').addClass(settings.dotsClass).appendTo(this.$element)).addClass('disabled');

        this._controls.$absolute.on('click', 'div', $.proxy(function(e) {
            var index = $(e.target).parent().is(this._controls.$absolute)
                ? $(e.target).index() : $(e.target).parent().index();

            e.preventDefault();

            this.to(index, settings.dotsSpeed);
        }, this));

        // override public methods of the carousel
        for (override in this._overrides) {
            this._core[override] = $.proxy(this[override], this);
        }
    };

    /**
     * Destroys the plugin.
     * @protected
     */
    Navigation.prototype.destroy = function() {
        var handler, control, property, override;

        for (handler in this._handlers) {
            this.$element.off(handler, this._handlers[handler]);
        }
        for (control in this._controls) {
            this._controls[control].remove();
        }
        for (override in this.overides) {
            this._core[override] = this._overrides[override];
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    /**
     * Updates the internal state.
     * @protected
     */
    Navigation.prototype.update = function() {
        var i, j, k,
            lower = this._core.clones().length / 2,
            upper = lower + this._core.items().length,
            maximum = this._core.maximum(true),
            settings = this._core.settings,
            size = settings.center || settings.autoWidth || settings.dotsData
                ? 1 : settings.dotsEach || settings.items;

        if (settings.slideBy !== 'page') {
            settings.slideBy = Math.min(settings.slideBy, settings.items);
        }

        if (settings.dots || settings.slideBy == 'page') {
            this._pages = [];

            for (i = lower, j = 0, k = 0; i < upper; i++) {
                if (j >= size || j === 0) {
                    this._pages.push({
                        start: Math.min(maximum, i - lower),
                        end: i - lower + size - 1
                    });
                    if (Math.min(maximum, i - lower) === maximum) {
                        break;
                    }
                    j = 0, ++k;
                }
                j += this._core.mergers(this._core.relative(i));
            }
        }
    };

    /**
     * Draws the user interface.
     * @todo The option `dotsData` wont work.
     * @protected
     */
    Navigation.prototype.draw = function() {
        var difference,
            settings = this._core.settings,
            disabled = this._core.items().length <= settings.items,
            index = this._core.relative(this._core.current()),
            loop = settings.loop || settings.rewind;

        this._controls.$relative.toggleClass('disabled', !settings.nav || disabled);

        if (settings.nav) {
            this._controls.$previous.toggleClass('disabled', !loop && index <= this._core.minimum(true));
            this._controls.$next.toggleClass('disabled', !loop && index >= this._core.maximum(true));
        }

        this._controls.$absolute.toggleClass('disabled', !settings.dots || disabled);

        if (settings.dots) {
            difference = this._pages.length - this._controls.$absolute.children().length;

            if (settings.dotsData && difference !== 0) {
                this._controls.$absolute.html(this._templates.join(''));
            } else if (difference > 0) {
                this._controls.$absolute.append(new Array(difference + 1).join(this._templates[0]));
            } else if (difference < 0) {
                this._controls.$absolute.children().slice(difference).remove();
            }

            this._controls.$absolute.find('.active').removeClass('active');
            this._controls.$absolute.children().eq($.inArray(this.current(), this._pages)).addClass('active');
        }
    };

    /**
     * Extends event data.
     * @protected
     * @param {Event} event - The event object which gets thrown.
     */
    Navigation.prototype.onTrigger = function(event) {
        var settings = this._core.settings;

        event.page = {
            index: $.inArray(this.current(), this._pages),
            count: this._pages.length,
            size: settings && (settings.center || settings.autoWidth || settings.dotsData
                ? 1 : settings.dotsEach || settings.items)
        };
    };

    /**
     * Gets the current page position of the carousel.
     * @protected
     * @returns {Number}
     */
    Navigation.prototype.current = function() {
        var current = this._core.relative(this._core.current());
        return $.grep(this._pages, $.proxy(function(page, index) {
            return page.start <= current && page.end >= current;
        }, this)).pop();
    };

    /**
     * Gets the current succesor/predecessor position.
     * @protected
     * @returns {Number}
     */
    Navigation.prototype.getPosition = function(successor) {
        var position, length,
            settings = this._core.settings;

        if (settings.slideBy == 'page') {
            position = $.inArray(this.current(), this._pages);
            length = this._pages.length;
            successor ? ++position : --position;
            position = this._pages[((position % length) + length) % length].start;
        } else {
            position = this._core.relative(this._core.current());
            length = this._core.items().length;
            successor ? position += settings.slideBy : position -= settings.slideBy;
        }

        return position;
    };

    /**
     * Slides to the next item or page.
     * @public
     * @param {Number} [speed=false] - The time in milliseconds for the transition.
     */
    Navigation.prototype.next = function(speed) {
        $.proxy(this._overrides.to, this._core)(this.getPosition(true), speed);
    };

    /**
     * Slides to the previous item or page.
     * @public
     * @param {Number} [speed=false] - The time in milliseconds for the transition.
     */
    Navigation.prototype.prev = function(speed) {
        $.proxy(this._overrides.to, this._core)(this.getPosition(false), speed);
    };

    /**
     * Slides to the specified item or page.
     * @public
     * @param {Number} position - The position of the item or page.
     * @param {Number} [speed] - The time in milliseconds for the transition.
     * @param {Boolean} [standard=false] - Whether to use the standard behaviour or not.
     */
    Navigation.prototype.to = function(position, speed, standard) {
        var length;

        if (!standard && this._pages.length) {
            length = this._pages.length;
            $.proxy(this._overrides.to, this._core)(this._pages[((position % length) + length) % length].start, speed);
        } else {
            $.proxy(this._overrides.to, this._core)(position, speed);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.Navigation = Navigation;

})(window.Zepto || window.jQuery, window, document);

/**
 * Hash Plugin
 * @version 2.1.0
 * @author Artus Kolanowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {
    'use strict';

    /**
     * Creates the hash plugin.
     * @class The Hash Plugin
     * @param {Owl} carousel - The Owl Carousel
     */
    var Hash = function(carousel) {
        /**
         * Reference to the core.
         * @protected
         * @type {Owl}
         */
        this._core = carousel;

        /**
         * Hash index for the items.
         * @protected
         * @type {Object}
         */
        this._hashes = {};

        /**
         * The carousel element.
         * @type {jQuery}
         */
        this.$element = this._core.$element;

        /**
         * All event handlers.
         * @protected
         * @type {Object}
         */
        this._handlers = {
            'initialized.owl.carousel': $.proxy(function(e) {
                if (e.namespace && this._core.settings.startPosition === 'URLHash') {
                    $(window).trigger('hashchange.owl.navigation');
                }
            }, this),
            'prepared.owl.carousel': $.proxy(function(e) {
                if (e.namespace) {
                    var hash = $(e.content).find('[data-hash]').addBack('[data-hash]').attr('data-hash');

                    if (!hash) {
                        return;
                    }

                    this._hashes[hash] = e.content;
                }
            }, this),
            'changed.owl.carousel': $.proxy(function(e) {
                if (e.namespace && e.property.name === 'position') {
                    var current = this._core.items(this._core.relative(this._core.current())),
                        hash = $.map(this._hashes, function(item, hash) {
                            return item === current ? hash : null;
                        }).join();

                    if (!hash || window.location.hash.slice(1) === hash) {
                        return;
                    }

                    window.location.hash = hash;
                }
            }, this)
        };

        // set default options
        this._core.options = $.extend({}, Hash.Defaults, this._core.options);

        // register the event handlers
        this.$element.on(this._handlers);

        // register event listener for hash navigation
        $(window).on('hashchange.owl.navigation', $.proxy(function(e) {
            var hash = window.location.hash.substring(1),
                items = this._core.$stage.children(),
                position = this._hashes[hash] && items.index(this._hashes[hash]);

            if (position === undefined || position === this._core.current()) {
                return;
            }

            this._core.to(this._core.relative(position), false, true);
        }, this));
    };

    /**
     * Default options.
     * @public
     */
    Hash.Defaults = {
        URLhashListener: false
    };

    /**
     * Destroys the plugin.
     * @public
     */
    Hash.prototype.destroy = function() {
        var handler, property;

        $(window).off('hashchange.owl.navigation');

        for (handler in this._handlers) {
            this._core.$element.off(handler, this._handlers[handler]);
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.Hash = Hash;

})(window.Zepto || window.jQuery, window, document);

/**
 * Support Plugin
 *
 * @version 2.1.0
 * @author Vivid Planet Software GmbH
 * @author Artus Kolanowski
 * @author David Deutsch
 * @license The MIT License (MIT)
 */
;(function($, window, document, undefined) {

    var style = $('<support>').get(0).style,
        prefixes = 'Webkit Moz O ms'.split(' '),
        events = {
            transition: {
                end: {
                    WebkitTransition: 'webkitTransitionEnd',
                    MozTransition: 'transitionend',
                    OTransition: 'oTransitionEnd',
                    transition: 'transitionend'
                }
            },
            animation: {
                end: {
                    WebkitAnimation: 'webkitAnimationEnd',
                    MozAnimation: 'animationend',
                    OAnimation: 'oAnimationEnd',
                    animation: 'animationend'
                }
            }
        },
        tests = {
            csstransforms: function() {
                return !!test('transform');
            },
            csstransforms3d: function() {
                return !!test('perspective');
            },
            csstransitions: function() {
                return !!test('transition');
            },
            cssanimations: function() {
                return !!test('animation');
            }
        };

    function test(property, prefixed) {
        var result = false,
            upper = property.charAt(0).toUpperCase() + property.slice(1);

        $.each((property + ' ' + prefixes.join(upper + ' ') + upper).split(' '), function(i, property) {
            if (style[property] !== undefined) {
                result = prefixed ? property : true;
                return false;
            }
        });

        return result;
    }

    function prefixed(property) {
        return test(property, true);
    }

    if (tests.csstransitions()) {
        /* jshint -W053 */
        $.support.transition = new String(prefixed('transition'))
        $.support.transition.end = events.transition.end[ $.support.transition ];
    }

    if (tests.cssanimations()) {
        /* jshint -W053 */
        $.support.animation = new String(prefixed('animation'))
        $.support.animation.end = events.animation.end[ $.support.animation ];
    }

    if (tests.csstransforms()) {
        /* jshint -W053 */
        $.support.transform = new String(prefixed('transform'));
        $.support.transform3d = tests.csstransforms3d();
    }

})(window.Zepto || window.jQuery, window, document);