Файл: tyde/www/web/js/components/lightbox.js
Строк: 375
<?php
/*! UIkit 2.24.3 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
(function(addon) {
    var component;
    if (window.UIkit) {
        component = addon(UIkit);
    }
    if (typeof define == "function" && define.amd) { // AMD
        define("uikit-lightbox", ["uikit"], function(){
            return component || addon(UIkit);
        });
    }
})(function(UI){
    "use strict";
    var modal, cache = {};
    UI.component('lightbox', {
        defaults: {
            "group"      : false,
            "duration"   : 400,
            "keyboard"   : true
        },
        index : 0,
        items : false,
        boot: function() {
            UI.$html.on('click', '[data-uk-lightbox]', function(e){
                e.preventDefault();
                var link = UI.$(this);
                if (!link.data("lightbox")) {
                    UI.lightbox(link, UI.Utils.options(link.attr("data-uk-lightbox")));
                }
                link.data("lightbox").show(link);
            });
            // keyboard navigation
            UI.$doc.on('keyup', function(e) {
                if (modal && modal.is(':visible') && modal.lightbox.options.keyboard) {
                    e.preventDefault();
                    switch(e.keyCode) {
                        case 37:
                            modal.lightbox.previous();
                            break;
                        case 39:
                            modal.lightbox.next();
                            break;
                    }
                }
            });
        },
        init: function() {
            var siblings = [];
            this.index    = 0;
            this.siblings = [];
            if (this.element && this.element.length) {
                var domSiblings  = this.options.group ? UI.$([
                    '[data-uk-lightbox*="'+this.options.group+'"]',
                    "[data-uk-lightbox*='"+this.options.group+"']"
                ].join(',')) : this.element;
                domSiblings.each(function() {
                    var ele = UI.$(this);
                    siblings.push({
                        'source': ele.attr('href'),
                        'title' : ele.attr('data-title') || ele.attr('title'),
                        'type'  : ele.attr("data-lightbox-type") || 'auto',
                        'link'  : ele
                    });
                });
                this.index    = domSiblings.index(this.element);
                this.siblings = siblings;
            } else if (this.options.group && this.options.group.length) {
                this.siblings = this.options.group;
            }
            this.trigger('lightbox-init', [this]);
        },
        show: function(index) {
            this.modal = getModal(this);
            // stop previous animation
            this.modal.dialog.stop();
            this.modal.content.stop();
            var $this = this, promise = UI.$.Deferred(), data, item;
            index = index || 0;
            // index is a jQuery object or DOM element
            if (typeof(index) == 'object') {
                this.siblings.forEach(function(s, idx){
                    if (index[0] === s.link[0]) {
                        index = idx;
                    }
                });
            }
            // fix index if needed
            if ( index < 0 ) {
                index = this.siblings.length - index;
            } else if (!this.siblings[index]) {
                index = 0;
            }
            item   = this.siblings[index];
            data = {
                "lightbox" : $this,
                "source"   : item.source,
                "type"     : item.type,
                "index"    : index,
                "promise"  : promise,
                "title"    : item.title,
                "item"     : item,
                "meta"     : {
                    "content" : '',
                    "width"   : null,
                    "height"  : null
                }
            };
            this.index = index;
            this.modal.content.empty();
            if (!this.modal.is(':visible')) {
                this.modal.content.css({width:'', height:''}).empty();
                this.modal.modal.show();
            }
            this.modal.loader.removeClass('uk-hidden');
            promise.promise().done(function() {
                $this.data = data;
                $this.fitSize(data);
            }).fail(function(){
                data.meta.content = '<div class="uk-position-cover uk-flex uk-flex-middle uk-flex-center"><strong>Loading resource failed!</strong></div>';
                data.meta.width   = 400;
                data.meta.height  = 300;
                $this.data = data;
                $this.fitSize(data);
            });
            $this.trigger('showitem.uk.lightbox', [data]);
        },
        fitSize: function() {
            var $this    = this,
                data     = this.data,
                pad      = this.modal.dialog.outerWidth() - this.modal.dialog.width(),
                dpadTop  = parseInt(this.modal.dialog.css('margin-top'), 10),
                dpadBot  = parseInt(this.modal.dialog.css('margin-bottom'), 10),
                dpad     = dpadTop + dpadBot,
                content  = data.meta.content,
                duration = $this.options.duration;
            if (this.siblings.length > 1) {
                content = [
                    content,
                    '<a href="#" class="uk-slidenav uk-slidenav-contrast uk-slidenav-previous uk-hidden-touch" data-lightbox-previous></a>',
                    '<a href="#" class="uk-slidenav uk-slidenav-contrast uk-slidenav-next uk-hidden-touch" data-lightbox-next></a>'
                ].join('');
            }
            // calculate width
            var tmp = UI.$('<div> </div>').css({
                'opacity'   : 0,
                'position'  : 'absolute',
                'top'       : 0,
                'left'      : 0,
                'width'     : '100%',
                'max-width' : $this.modal.dialog.css('max-width'),
                'padding'   : $this.modal.dialog.css('padding'),
                'margin'    : $this.modal.dialog.css('margin')
            }), maxwidth, maxheight, w = data.meta.width, h = data.meta.height;
            tmp.appendTo('body').width();
            maxwidth  = tmp.width();
            maxheight = window.innerHeight - dpad;
            tmp.remove();
            this.modal.dialog.find('.uk-modal-caption').remove();
            if (data.title) {
                this.modal.dialog.append('<div class="uk-modal-caption">'+data.title+'</div>');
                maxheight -= this.modal.dialog.find('.uk-modal-caption').outerHeight();
            }
            if (maxwidth < data.meta.width) {
                h = Math.floor( h * (maxwidth / w) );
                w = maxwidth;
            }
            if (maxheight < h) {
                h = Math.floor(maxheight);
                w = Math.ceil(data.meta.width * (maxheight/data.meta.height));
            }
            this.modal.content.css('opacity', 0).width(w).html(content);
            if (data.type == 'iframe') {
                this.modal.content.find('iframe:first').height(h);
            }
            var dh   = h + pad,
                t    = Math.floor(window.innerHeight/2 - dh/2) - dpad;
            if (t < 0) { t = 0; }
            this.modal.closer.addClass('uk-hidden');
            if ($this.modal.data('mwidth') == w &&  $this.modal.data('mheight') == h) {
                duration = 0;
            }
            this.modal.dialog.animate({width: w + pad, height: h + pad, top: t }, duration, 'swing', function() {
                $this.modal.loader.addClass('uk-hidden');
                $this.modal.content.css({width:''}).animate({'opacity': 1}, function() {
                    $this.modal.closer.removeClass('uk-hidden');
                });
                $this.modal.data({'mwidth': w, 'mheight': h});
            });
        },
        next: function() {
            this.show(this.siblings[(this.index+1)] ? (this.index+1) : 0);
        },
        previous: function() {
            this.show(this.siblings[(this.index-1)] ? (this.index-1) : this.siblings.length-1);
        }
    });
    // Plugins
    UI.plugin('lightbox', 'image', {
        init: function(lightbox) {
            lightbox.on("showitem.uk.lightbox", function(e, data){
                if (data.type == 'image' || data.source && data.source.match(/.(jpg|jpeg|png|gif|svg)$/i)) {
                    var resolve = function(source, width, height) {
                        data.meta = {
                            "content" : '<img class="uk-responsive-width" width="'+width+'" height="'+height+'" src ="'+source+'">',
                            "width"   : width,
                            "height"  : height
                        };
                        data.type = 'image';
                        data.promise.resolve();
                    };
                    if (!cache[data.source]) {
                        var img = new Image();
                        img.onerror = function(){
                            data.promise.reject('Loading image failed');
                        };
                        img.onload = function(){
                            cache[data.source] = {width: img.width, height: img.height};
                            resolve(data.source, cache[data.source].width, cache[data.source].height);
                        };
                        img.src = data.source;
                    } else {
                        resolve(data.source, cache[data.source].width, cache[data.source].height);
                    }
                }
            });
        }
    });
    UI.plugin("lightbox", "youtube", {
        init: function(lightbox) {
            var youtubeRegExp = /(//.*?youtube.[a-z]+)/watch?v=([^&]+)&?(.*)/,
                youtubeRegExpShort = /youtu.be/(.*)/;
            lightbox.on("showitem.uk.lightbox", function(e, data){
                var id, matches, resolve = function(id, width, height) {
                    data.meta = {
                        'content': '<iframe src="//www.youtube.com/embed/'+id+'" width="'+width+'" height="'+height+'" style="max-width:100%;"></iframe>',
                        'width': width,
                        'height': height
                    };
                    data.type = 'iframe';
                    data.promise.resolve();
                };
                if (matches = data.source.match(youtubeRegExp)) {
                    id = matches[2];
                }
                if (matches = data.source.match(youtubeRegExpShort)) {
                    id = matches[1];
                }
                if (id) {
                    if(!cache[id]) {
                        var img = new Image(), lowres = false;
                        img.onerror = function(){
                            cache[id] = {width:640, height:320};
                            resolve(id, cache[id].width, cache[id].height);
                        };
                        img.onload = function(){
                            //youtube default 404 thumb, fall back to lowres
                            if (img.width == 120 && img.height == 90) {
                                if (!lowres) {
                                    lowres = true;
                                    img.src = '//img.youtube.com/vi/' + id + '/0.jpg';
                                } else {
                                    cache[id] = {width: 640, height: 320};
                                    resolve(id, cache[id].width, cache[id].height);
                                }
                            } else {
                                cache[id] = {width: img.width, height: img.height};
                                resolve(id, img.width, img.height);
                            }
                        };
                        img.src = '//img.youtube.com/vi/'+id+'/maxresdefault.jpg';
                    } else {
                        resolve(id, cache[id].width, cache[id].height);
                    }
                    e.stopImmediatePropagation();
                }
            });
        }
    });
    UI.plugin("lightbox", "vimeo", {
        init: function(lightbox) {
            var regex = /(//.*?)vimeo.[a-z]+/([0-9]+).*?/, matches;
            lightbox.on("showitem.uk.lightbox", function(e, data){
                var id, resolve = function(id, width, height) {
                    data.meta = {
                        'content': '<iframe src="//player.vimeo.com/video/'+id+'" width="'+width+'" height="'+height+'" style="width:100%;box-sizing:border-box;"></iframe>',
                        'width': width,
                        'height': height
                    };
                    data.type = 'iframe';
                    data.promise.resolve();
                };
                if (matches = data.source.match(regex)) {
                    id = matches[2];
                    if(!cache[id]) {
                        UI.$.ajax({
                            type     : 'GET',
                            url      : 'http://vimeo.com/api/oembed.json?url=' + encodeURI(data.source),
                            jsonp    : 'callback',
                            dataType : 'jsonp',
                            success  : function(data) {
                                cache[id] = {width:data.width, height:data.height};
                                resolve(id, cache[id].width, cache[id].height);
                            }
                        });
                    } else {
                        resolve(id, cache[id].width, cache[id].height);
                    }
                    e.stopImmediatePropagation();
                }
            });
        }
    });
    UI.plugin("lightbox", "video", {
        init: function(lightbox) {
            lightbox.on("showitem.uk.lightbox", function(e, data){
                var resolve = function(source, width, height) {
                    data.meta = {
                        'content': '<video class="uk-responsive-width" src="'+source+'" width="'+width+'" height="'+height+'" controls></video>',
                        'width': width,
                        'height': height
                    };
                    data.type = 'video';
                    data.promise.resolve();
                };
                if (data.type == 'video' || data.source.match(/.(mp4|webm|ogv)$/i)) {
                    if (!cache[data.source]) {
                        var vid = UI.$('<video style="position:fixed;visibility:hidden;top:-10000px;"></video>').attr('src', data.source).appendTo('body');
                        var idle = setInterval(function() {
                            if (vid[0].videoWidth) {
                                clearInterval(idle);
                                cache[data.source] = {width: vid[0].videoWidth, height: vid[0].videoHeight};
                                resolve(data.source, cache[data.source].width, cache[data.source].height);
                                vid.remove();
                            }
                        }, 20);
                    } else {
                        resolve(data.source, cache[data.source].width, cache[data.source].height);
                    }
                }
            });
        }
    });
    function getModal(lightbox) {
        if (modal) {
            modal.lightbox = lightbox;
            return modal;
        }
        // init lightbox container
        modal = UI.$([
            '<div class="uk-modal">',
                '<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;">',
                    '<a href="#" class="uk-modal-close uk-close uk-close-alt"></a>',
                    '<div class="uk-lightbox-content"></div>',
                    '<div class="uk-modal-spinner uk-hidden"></div>',
                '</div>',
            '</div>'
        ].join('')).appendTo('body');
        modal.dialog  = modal.find('.uk-modal-dialog:first');
        modal.content = modal.find('.uk-lightbox-content:first');
        modal.loader  = modal.find('.uk-modal-spinner:first');
        modal.closer  = modal.find('.uk-close.uk-close-alt');
        modal.modal   = UI.modal(modal, {modal:false});
        // next / previous
        modal.on("swipeRight swipeLeft", function(e) {
            modal.lightbox[e.type=='swipeLeft' ? 'next':'previous']();
        }).on("click", "[data-lightbox-previous], [data-lightbox-next]", function(e){
            e.preventDefault();
            modal.lightbox[UI.$(this).is('[data-lightbox-next]') ? 'next':'previous']();
        });
        // destroy content on modal hide
        modal.on("hide.uk.modal", function(e) {
            modal.content.html('');
        });
        UI.$win.on('load resize orientationchange', UI.Utils.debounce(function(e){
            if (modal.is(':visible') && !UI.Utils.isFullscreen()) modal.lightbox.fitSize();
        }.bind(this), 100));
        modal.lightbox = lightbox;
        return modal;
    }
    UI.lightbox.create = function(items, options) {
        if (!items) return;
        var group = [], o;
        items.forEach(function(item) {
            group.push(UI.$.extend({
                'source' : '',
                'title'  : '',
                'type'   : 'auto',
                'link'   : false
            }, (typeof(item) == 'string' ? {'source': item} : item)));
        });
        o = UI.lightbox(UI.$.extend({}, options, {'group':group}));
        return o;
    };
    return UI.lightbox;
});
?>