source/files/lg-pager.js

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/*! lightgallery - v1.2.0 - 2015-08-26
* http://sachinchoolur.github.io/lightGallery/
* Copyright (c) 2015 Sachin N; Licensed Apache 2.0 */
(function($, window, document, undefined) {

    'use strict';

    var defaults = {
        pager: false
    };

    var Pager = function(element) {

        this.core = $(element).data('lightGallery');

        this.$el = $(element);
        this.core.s = $.extend({}, defaults, this.core.s);
        if (this.core.s.pager && this.core.$items.length > 1) {
            this.init();
        }

        return this;
    };

    Pager.prototype.init = function() {
        var _this = this;
        var pagerList = '';
        var $pagerCont;
        var $pagerOuter;
        var timeout;

        _this.core.$outer.find('.lg').append('<div class="lg-pager-outer"></div>');

        if (_this.core.s.dynamic) {
            for (var i = 0; i < _this.core.s.dynamicEl.length; i++) {
                pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + _this.core.s.dynamicEl[i].thumb + '" /></div></span>';
            }
        } else {
            _this.core.$items.each(function() {

                if (!_this.core.s.exThumbImage) {
                    pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + $(this).find('img').attr('src') + '" /></div></span>';
                } else {
                    pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + $(this).attr(_this.core.s.exThumbImage) + '" /></div></span>';
                }

            });
        }

        $pagerOuter = _this.core.$outer.find('.lg-pager-outer');

        $pagerOuter.html(pagerList);

        $pagerCont = _this.core.$outer.find('.lg-pager-cont');
        $pagerCont.on('click.lg touchend.lg', function() {
            var _$this = $(this);
            _this.core.index = _$this.index();
            _this.core.slide(_this.core.index, false, false);
        });