545 lines
17 KiB
JavaScript
545 lines
17 KiB
JavaScript
/*! UIkit 2.21.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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(function(addon) {
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var component;
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if (window.UIkit) {
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component = addon(UIkit);
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}
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if (typeof define == "function" && define.amd) { // AMD
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define("uikit-lightbox", ["uikit"], function(){
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return component || addon(UIkit);
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});
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}
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})(function(UI){
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"use strict";
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var modal, cache = {};
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UI.component('lightbox', {
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defaults: {
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"group" : false,
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"duration" : 400,
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"keyboard" : true
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},
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index : 0,
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items : false,
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boot: function() {
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UI.$html.on('click', '[data-uk-lightbox]', function(e){
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e.preventDefault();
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var link = UI.$(this);
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if (!link.data("lightbox")) {
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UI.lightbox(link, UI.Utils.options(link.attr("data-uk-lightbox")));
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}
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link.data("lightbox").show(link);
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});
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// keyboard navigation
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UI.$doc.on('keyup', function(e) {
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if (modal && modal.is(':visible') && modal.lightbox.options.keyboard) {
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e.preventDefault();
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switch(e.keyCode) {
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case 37:
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modal.lightbox.previous();
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break;
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case 39:
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modal.lightbox.next();
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break;
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}
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}
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});
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},
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init: function() {
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var $this = this, siblings = [];
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this.index = 0;
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this.siblings = [];
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if (this.element && this.element.length) {
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var domSiblings = this.options.group ? UI.$([
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'[data-uk-lightbox*="'+this.options.group+'"]',
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"[data-uk-lightbox*='"+this.options.group+"']"
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].join(',')) : this.element;
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domSiblings.each(function() {
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var ele = UI.$(this);
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siblings.push({
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'source': ele.attr('href'),
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'title' : ele.attr('title'),
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'type' : ele.attr("data-lightbox-type") || 'auto',
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'link' : ele
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});
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});
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this.index = domSiblings.index(this.element);
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this.siblings = siblings;
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} else if (this.options.group && this.options.group.length) {
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this.siblings = this.options.group;
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}
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this.trigger('lightbox-init', [this]);
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},
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show: function(index) {
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this.modal = getModal(this);
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// stop previous animation
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this.modal.dialog.stop();
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this.modal.content.stop();
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var $this = this, promise = UI.$.Deferred(), data, item;
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index = index || 0;
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// index is a jQuery object or DOM element
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if (typeof(index) == 'object') {
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this.siblings.forEach(function(s, idx){
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if (index[0] === s.link[0]) {
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index = idx;
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}
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});
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}
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// fix index if needed
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if ( index < 0 ) {
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index = this.siblings.length - index;
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} else if (!this.siblings[index]) {
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index = 0;
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}
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item = this.siblings[index];
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data = {
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"lightbox" : $this,
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"source" : item.source,
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"type" : item.type,
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"index" : index,
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"promise" : promise,
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"title" : item.title,
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"item" : item,
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"meta" : {
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"content" : '',
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"width" : null,
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"height" : null
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}
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};
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this.index = index;
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this.modal.content.empty();
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if (!this.modal.is(':visible')) {
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this.modal.content.css({width:'', height:''}).empty();
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this.modal.modal.show();
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}
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this.modal.loader.removeClass('uk-hidden');
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promise.promise().done(function() {
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$this.data = data;
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$this.fitSize(data);
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}).fail(function(){
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data.meta.content = '<div class="uk-position-cover uk-flex uk-flex-middle uk-flex-center"><strong>Loading resource failed!</strong></div>';
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data.meta.width = 400;
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data.meta.height = 300;
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$this.data = data;
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$this.fitSize(data);
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});
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$this.trigger('showitem.uk.lightbox', [data]);
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},
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fitSize: function() {
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var $this = this,
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data = this.data,
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pad = this.modal.dialog.outerWidth() - this.modal.dialog.width(),
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dpadTop = parseInt(this.modal.dialog.css('margin-top'), 10),
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dpadBot = parseInt(this.modal.dialog.css('margin-bottom'), 10),
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dpad = dpadTop + dpadBot,
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content = data.meta.content,
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duration = $this.options.duration;
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if (this.siblings.length > 1) {
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content = [
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content,
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'<a href="#" class="uk-slidenav uk-slidenav-contrast uk-slidenav-previous uk-hidden-touch" data-lightbox-previous></a>',
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'<a href="#" class="uk-slidenav uk-slidenav-contrast uk-slidenav-next uk-hidden-touch" data-lightbox-next></a>'
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].join('');
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}
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// calculate width
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var tmp = UI.$('<div> </div>').css({
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'opacity' : 0,
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'position' : 'absolute',
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'top' : 0,
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'left' : 0,
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'width' : '100%',
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'max-width' : $this.modal.dialog.css('max-width'),
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'padding' : $this.modal.dialog.css('padding'),
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'margin' : $this.modal.dialog.css('margin')
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}), maxwidth, maxheight, w = data.meta.width, h = data.meta.height;
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tmp.appendTo('body').width();
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maxwidth = tmp.width();
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maxheight = window.innerHeight - dpad;
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tmp.remove();
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this.modal.dialog.find('.uk-modal-caption').remove();
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if (data.title) {
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this.modal.dialog.append('<div class="uk-modal-caption">'+data.title+'</div>');
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maxheight -= this.modal.dialog.find('.uk-modal-caption').outerHeight();
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}
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if (maxwidth < data.meta.width) {
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h = Math.floor( h * (maxwidth / w) );
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w = maxwidth;
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}
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if (maxheight < h) {
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h = Math.floor(maxheight);
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w = Math.ceil(data.meta.width * (maxheight/data.meta.height));
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}
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this.modal.content.css('opacity', 0).width(w).html(content);
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if (data.type == 'iframe') {
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this.modal.content.find('iframe:first').height(h);
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}
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var dh = h + pad,
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t = Math.floor(window.innerHeight/2 - dh/2) - dpad;
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if (t < 0) { t = 0; }
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this.modal.closer.addClass('uk-hidden');
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if ($this.modal.data('mwidth') == w && $this.modal.data('mheight') == h) {
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duration = 0;
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}
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this.modal.dialog.animate({width: w + pad, height: h + pad, top: t }, duration, 'swing', function() {
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$this.modal.loader.addClass('uk-hidden');
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$this.modal.content.css({width:''}).animate({'opacity': 1}, function() {
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$this.modal.closer.removeClass('uk-hidden');
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});
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$this.modal.data({'mwidth': w, 'mheight': h});
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});
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},
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next: function() {
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this.show(this.siblings[(this.index+1)] ? (this.index+1) : 0);
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},
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previous: function() {
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this.show(this.siblings[(this.index-1)] ? (this.index-1) : this.siblings.length-1);
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}
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});
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// Plugins
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UI.plugin('lightbox', 'image', {
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init: function(lightbox) {
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lightbox.on("showitem.uk.lightbox", function(e, data){
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if (data.type == 'image' || data.source && data.source.match(/\.(jpg|jpeg|png|gif|svg)$/i)) {
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var resolve = function(source, width, height) {
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data.meta = {
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"content" : '<img class="uk-responsive-width" width="'+width+'" height="'+height+'" src ="'+source+'">',
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"width" : width,
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"height" : height
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};
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data.type = 'image';
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data.promise.resolve();
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};
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if (!cache[data.source]) {
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var img = new Image();
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img.onerror = function(){
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data.promise.reject('Loading image failed');
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};
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img.onload = function(){
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cache[data.source] = {width: img.width, height: img.height};
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resolve(data.source, cache[data.source].width, cache[data.source].height);
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};
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img.src = data.source;
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} else {
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resolve(data.source, cache[data.source].width, cache[data.source].height);
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}
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}
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});
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}
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});
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UI.plugin("lightbox", "youtube", {
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init: function(lightbox) {
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var youtubeRegExp = /(\/\/.*?youtube\.[a-z]+)\/watch\?v=([^&]+)&?(.*)/,
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youtubeRegExpShort = /youtu\.be\/(.*)/;
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lightbox.on("showitem.uk.lightbox", function(e, data){
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var id, matches, resolve = function(id, width, height) {
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data.meta = {
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'content': '<iframe src="//www.youtube.com/embed/'+id+'" width="'+width+'" height="'+height+'" style="max-width:100%;"></iframe>',
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'width': width,
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'height': height
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};
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data.type = 'iframe';
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data.promise.resolve();
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};
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if (matches = data.source.match(youtubeRegExp)) {
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id = matches[2];
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}
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if (matches = data.source.match(youtubeRegExpShort)) {
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id = matches[1];
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}
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if (id) {
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if(!cache[id]) {
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var img = new Image();
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img.onerror = function(){
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cache[id] = {width:640, height:320};
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resolve(id, cache[id].width, cache[id].height);
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};
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img.onload = function(){
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cache[id] = {width:img.width, height:img.height};
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resolve(id, img.width, img.height);
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};
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img.src = '//img.youtube.com/vi/'+id+'/0.jpg';
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} else {
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resolve(id, cache[id].width, cache[id].height);
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}
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e.stopImmediatePropagation();
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}
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});
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}
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});
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UI.plugin("lightbox", "vimeo", {
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init: function(lightbox) {
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var regex = /(\/\/.*?)vimeo\.[a-z]+\/([0-9]+).*?/, matches;
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lightbox.on("showitem.uk.lightbox", function(e, data){
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var id, resolve = function(id, width, height) {
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data.meta = {
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'content': '<iframe src="//player.vimeo.com/video/'+id+'" width="'+width+'" height="'+height+'" style="width:100%;box-sizing:border-box;"></iframe>',
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'width': width,
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'height': height
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};
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data.type = 'iframe';
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data.promise.resolve();
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};
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if (matches = data.source.match(regex)) {
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id = matches[2];
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if(!cache[id]) {
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UI.$.ajax({
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type : 'GET',
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url : 'http://vimeo.com/api/oembed.json?url=' + encodeURI(data.source),
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jsonp : 'callback',
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dataType : 'jsonp',
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success : function(data) {
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cache[id] = {width:data.width, height:data.height};
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resolve(id, cache[id].width, cache[id].height);
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}
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});
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} else {
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resolve(id, cache[id].width, cache[id].height);
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}
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e.stopImmediatePropagation();
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}
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});
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}
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});
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UI.plugin("lightbox", "video", {
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init: function(lightbox) {
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lightbox.on("showitem.uk.lightbox", function(e, data){
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var resolve = function(source, width, height) {
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data.meta = {
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'content': '<video class="uk-responsive-width" src="'+source+'" width="'+width+'" height="'+height+'" controls></video>',
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'width': width,
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'height': height
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};
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data.type = 'video';
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data.promise.resolve();
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};
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if (data.type == 'video' || data.source.match(/\.(mp4|webm|ogv)$/i)) {
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if (!cache[data.source]) {
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var vid = UI.$('<video style="position:fixed;visibility:hidden;top:-10000px;"></video>').attr('src', data.source).appendTo('body');
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var idle = setInterval(function() {
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if (vid[0].videoWidth) {
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clearInterval(idle);
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cache[data.source] = {width: vid[0].videoWidth, height: vid[0].videoHeight};
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resolve(data.source, cache[data.source].width, cache[data.source].height);
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vid.remove();
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}
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}, 20);
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} else {
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resolve(data.source, cache[data.source].width, cache[data.source].height);
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}
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}
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});
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}
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});
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function getModal(lightbox) {
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if (modal) {
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modal.lightbox = lightbox;
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return modal;
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}
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// init lightbox container
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modal = UI.$([
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'<div class="uk-modal">',
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'<div class="uk-modal-dialog uk-modal-dialog-lightbox uk-slidenav-position" style="margin-left:auto;margin-right:auto;width:200px;height:200px;top:'+Math.abs(window.innerHeight/2 - 200)+'px;">',
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'<a href="#" class="uk-modal-close uk-close uk-close-alt"></a>',
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'<div class="uk-lightbox-content"></div>',
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'<div class="uk-modal-spinner uk-hidden"></div>',
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'</div>',
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'</div>'
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].join('')).appendTo('body');
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modal.dialog = modal.find('.uk-modal-dialog:first');
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modal.content = modal.find('.uk-lightbox-content:first');
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modal.loader = modal.find('.uk-modal-spinner:first');
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modal.closer = modal.find('.uk-close.uk-close-alt');
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modal.modal = UI.modal(modal, {modal:false});
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// next / previous
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modal.on("swipeRight swipeLeft", function(e) {
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modal.lightbox[e.type=='swipeLeft' ? 'next':'previous']();
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}).on("click", "[data-lightbox-previous], [data-lightbox-next]", function(e){
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e.preventDefault();
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modal.lightbox[UI.$(this).is('[data-lightbox-next]') ? 'next':'previous']();
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});
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// destroy content on modal hide
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modal.on("hide.uk.modal", function(e) {
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modal.content.html('');
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});
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UI.$win.on('load resize orientationchange', UI.Utils.debounce(function(e){
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if (modal.is(':visible') && !UI.Utils.isFullscreen()) modal.lightbox.fitSize();
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}.bind(this), 100));
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modal.lightbox = lightbox;
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return modal;
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}
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UI.lightbox.create = function(items, options) {
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if (!items) return;
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var group = [], o;
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items.forEach(function(item) {
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group.push(UI.$.extend({
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'source' : '',
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'title' : '',
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'type' : 'auto',
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'link' : false
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}, (typeof(item) == 'string' ? {'source': item} : item)));
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});
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o = UI.lightbox(UI.$.extend({}, options, {'group':group}));
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return o;
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};
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return UI.lightbox;
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});
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