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1091 lines
28 KiB
1091 lines
28 KiB
/*!
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Colorbox v1.5.6 - 2014-04-04
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jQuery lightbox and modal window plugin
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(c) 2014 Jack Moore - http://www.jacklmoore.com/colorbox
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license: http://www.opensource.org/licenses/mit-license.php
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*/
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(function ($, document, window) {
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var
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// Default settings object.
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// See http://jacklmoore.com/colorbox for details.
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defaults = {
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// data sources
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html: false,
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photo: false,
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iframe: false,
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inline: false,
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// behavior and appearance
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transition: "elastic",
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speed: 300,
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fadeOut: 300,
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width: false,
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initialWidth: "600",
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innerWidth: false,
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maxWidth: false,
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height: false,
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initialHeight: "450",
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innerHeight: false,
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maxHeight: false,
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scalePhotos: true,
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scrolling: true,
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opacity: 0.9,
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preloading: true,
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className: false,
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overlayClose: true,
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escKey: true,
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arrowKey: true,
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top: false,
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bottom: false,
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left: false,
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right: false,
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fixed: false,
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data: undefined,
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closeButton: true,
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fastIframe: true,
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open: false,
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reposition: true,
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loop: true,
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slideshow: false,
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slideshowAuto: true,
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slideshowSpeed: 2500,
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slideshowStart: "start slideshow",
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slideshowStop: "stop slideshow",
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photoRegex: /\.(gif|png|jp(e|g|eg)|bmp|ico|webp|jxr|svg)((#|\?).*)?$/i,
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// alternate image paths for high-res displays
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retinaImage: false,
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retinaUrl: false,
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retinaSuffix: '@2x.$1',
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// internationalization
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current: "image {current} of {total}",
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previous: "previous",
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next: "next",
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close: "close",
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xhrError: "This content failed to load.",
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imgError: "This image failed to load.",
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// accessbility
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returnFocus: true,
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trapFocus: true,
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// callbacks
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onOpen: false,
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onLoad: false,
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onComplete: false,
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onCleanup: false,
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onClosed: false,
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rel: function() {
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return this.rel;
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},
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href: function() {
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// Using .attr() so that the href can also be used to provide a selector for inline content
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return $(this).attr('href');
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},
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title: function() {
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return this.title;
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}
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},
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// Abstracting the HTML and event identifiers for easy rebranding
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colorbox = 'colorbox',
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prefix = 'cbox',
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boxElement = prefix + 'Element',
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// Events
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event_open = prefix + '_open',
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event_load = prefix + '_load',
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event_complete = prefix + '_complete',
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event_cleanup = prefix + '_cleanup',
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event_closed = prefix + '_closed',
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event_purge = prefix + '_purge',
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// Cached jQuery Object Variables
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$overlay,
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$box,
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$wrap,
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$content,
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$topBorder,
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$leftBorder,
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$rightBorder,
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$bottomBorder,
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$related,
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$window,
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$loaded,
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$loadingBay,
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$loadingOverlay,
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$title,
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$current,
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$slideshow,
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$next,
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$prev,
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$close,
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$groupControls,
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$events = $('<a/>'), // $({}) would be prefered, but there is an issue with jQuery 1.4.2
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// Variables for cached values or use across multiple functions
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settings,
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interfaceHeight,
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interfaceWidth,
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loadedHeight,
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loadedWidth,
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index,
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photo,
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open,
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active,
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closing,
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loadingTimer,
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publicMethod,
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div = "div",
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requests = 0,
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previousCSS = {},
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init;
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// ****************
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// HELPER FUNCTIONS
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// ****************
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// Convenience function for creating new jQuery objects
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function $tag(tag, id, css) {
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var element = document.createElement(tag);
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if (id) {
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element.id = prefix + id;
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}
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if (css) {
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element.style.cssText = css;
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}
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return $(element);
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}
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// Get the window height using innerHeight when available to avoid an issue with iOS
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// http://bugs.jquery.com/ticket/6724
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function winheight() {
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return window.innerHeight ? window.innerHeight : $(window).height();
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}
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function Settings(element, options) {
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if (options !== Object(options)) {
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options = {};
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}
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this.cache = {};
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this.el = element;
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this.value = function(key) {
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var dataAttr;
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if (this.cache[key] === undefined) {
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dataAttr = $(this.el).attr('data-cbox-'+key);
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if (dataAttr !== undefined) {
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this.cache[key] = dataAttr;
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} else if (options[key] !== undefined) {
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this.cache[key] = options[key];
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} else if (defaults[key] !== undefined) {
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this.cache[key] = defaults[key];
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}
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}
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return this.cache[key];
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};
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this.get = function(key) {
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var value = this.value(key);
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return $.isFunction(value) ? value.call(this.el, this) : value;
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};
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}
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// Determine the next and previous members in a group.
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function getIndex(increment) {
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var
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max = $related.length,
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newIndex = (index + increment) % max;
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return (newIndex < 0) ? max + newIndex : newIndex;
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}
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// Convert '%' and 'px' values to integers
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function setSize(size, dimension) {
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return Math.round((/%/.test(size) ? ((dimension === 'x' ? $window.width() : winheight()) / 100) : 1) * parseInt(size, 10));
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}
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// Checks an href to see if it is a photo.
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// There is a force photo option (photo: true) for hrefs that cannot be matched by the regex.
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function isImage(settings, url) {
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return settings.get('photo') || settings.get('photoRegex').test(url);
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}
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function retinaUrl(settings, url) {
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return settings.get('retinaUrl') && window.devicePixelRatio > 1 ? url.replace(settings.get('photoRegex'), settings.get('retinaSuffix')) : url;
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}
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function trapFocus(e) {
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if ('contains' in $box[0] && !$box[0].contains(e.target) && e.target !== $overlay[0]) {
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e.stopPropagation();
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$box.focus();
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}
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}
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function setClass(str) {
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if (setClass.str !== str) {
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$box.add($overlay).removeClass(setClass.str).addClass(str);
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setClass.str = str;
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}
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}
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function getRelated() {
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index = 0;
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if (rel && rel !== 'nofollow') {
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$related = $('.' + boxElement).filter(function () {
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var options = $.data(this, colorbox);
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var settings = new Settings(this, options);
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return (settings.get('rel') === rel);
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});
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index = $related.index(settings.el);
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// Check direct calls to Colorbox.
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if (index === -1) {
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$related = $related.add(settings.el);
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index = $related.length - 1;
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}
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} else {
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$related = $(settings.el);
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}
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}
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function trigger(event) {
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// for external use
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$(document).trigger(event);
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// for internal use
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$events.triggerHandler(event);
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}
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var slideshow = (function(){
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var active,
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className = prefix + "Slideshow_",
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click = "click." + prefix,
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timeOut;
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function clear () {
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clearTimeout(timeOut);
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}
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function set() {
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if (settings.get('loop') || $related[index + 1]) {
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clear();
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timeOut = setTimeout(publicMethod.next, settings.get('slideshowSpeed'));
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}
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}
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function start() {
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$slideshow
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.html(settings.get('slideshowStop'))
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.unbind(click)
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.one(click, stop);
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$events
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.bind(event_complete, set)
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.bind(event_load, clear);
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$box.removeClass(className + "off").addClass(className + "on");
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}
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function stop() {
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clear();
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$events
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.unbind(event_complete, set)
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.unbind(event_load, clear);
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$slideshow
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.html(settings.get('slideshowStart'))
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.unbind(click)
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.one(click, function () {
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publicMethod.next();
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start();
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});
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$box.removeClass(className + "on").addClass(className + "off");
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}
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function reset() {
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active = false;
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$slideshow.hide();
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clear();
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$events
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.unbind(event_complete, set)
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.unbind(event_load, clear);
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$box.removeClass(className + "off " + className + "on");
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}
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return function(){
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if (active) {
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if (!settings.get('slideshow')) {
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$events.unbind(event_cleanup, reset);
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reset();
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}
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} else {
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if (settings.get('slideshow') && $related[1]) {
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active = true;
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$events.one(event_cleanup, reset);
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if (settings.get('slideshowAuto')) {
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start();
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} else {
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stop();
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}
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$slideshow.show();
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}
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}
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};
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}());
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function launch(element) {
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var options;
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if (!closing) {
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options = $(element).data('colorbox');
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settings = new Settings(element, options);
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rel = settings.get('rel');
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getRelated();
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if (!open) {
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open = active = true; // Prevents the page-change action from queuing up if the visitor holds down the left or right keys.
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setClass(settings.get('className'));
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// Show colorbox so the sizes can be calculated in older versions of jQuery
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$box.css({visibility:'hidden', display:'block', opacity:''});
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$loaded = $tag(div, 'LoadedContent', 'width:0; height:0; overflow:hidden; visibility:hidden');
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$content.css({width:'', height:''}).append($loaded);
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// Cache values needed for size calculations
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interfaceHeight = $topBorder.height() + $bottomBorder.height() + $content.outerHeight(true) - $content.height();
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interfaceWidth = $leftBorder.width() + $rightBorder.width() + $content.outerWidth(true) - $content.width();
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loadedHeight = $loaded.outerHeight(true);
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loadedWidth = $loaded.outerWidth(true);
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// Opens inital empty Colorbox prior to content being loaded.
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var initialWidth = setSize(settings.get('initialWidth'), 'x');
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var initialHeight = setSize(settings.get('initialHeight'), 'y');
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var maxWidth = settings.get('maxWidth');
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var maxHeight = settings.get('maxHeight');
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settings.w = (maxWidth !== false ? Math.min(initialWidth, setSize(maxWidth, 'x')) : initialWidth) - loadedWidth - interfaceWidth;
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settings.h = (maxHeight !== false ? Math.min(initialHeight, setSize(maxHeight, 'y')) : initialHeight) - loadedHeight - interfaceHeight;
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$loaded.css({width:'', height:settings.h});
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publicMethod.position();
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trigger(event_open);
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settings.get('onOpen');
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$groupControls.add($title).hide();
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$box.focus();
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if (settings.get('trapFocus')) {
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// Confine focus to the modal
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// Uses event capturing that is not supported in IE8-
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if (document.addEventListener) {
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document.addEventListener('focus', trapFocus, true);
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$events.one(event_closed, function () {
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document.removeEventListener('focus', trapFocus, true);
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});
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}
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}
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// Return focus on closing
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if (settings.get('returnFocus')) {
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$events.one(event_closed, function () {
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$(settings.el).focus();
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});
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}
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}
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$overlay.css({
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opacity: parseFloat(settings.get('opacity')) || '',
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cursor: settings.get('overlayClose') ? 'pointer' : '',
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visibility: 'visible'
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}).show();
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if (settings.get('closeButton')) {
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$close.html(settings.get('close')).appendTo($content);
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} else {
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$close.appendTo('<div/>'); // replace with .detach() when dropping jQuery < 1.4
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}
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load();
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}
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}
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// Colorbox's markup needs to be added to the DOM prior to being called
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// so that the browser will go ahead and load the CSS background images.
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function appendHTML() {
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if (!$box && document.body) {
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init = false;
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$window = $(window);
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$box = $tag(div).attr({
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id: colorbox,
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'class': $.support.opacity === false ? prefix + 'IE' : '', // class for optional IE8 & lower targeted CSS.
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role: 'dialog',
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tabindex: '-1'
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}).hide();
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$overlay = $tag(div, "Overlay").hide();
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$loadingOverlay = $([$tag(div, "LoadingOverlay")[0],$tag(div, "LoadingGraphic")[0]]);
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$wrap = $tag(div, "Wrapper");
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$content = $tag(div, "Content").append(
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$title = $tag(div, "Title"),
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$current = $tag(div, "Current"),
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$prev = $('<button type="button"/>').attr({id:prefix+'Previous'}),
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$next = $('<button type="button"/>').attr({id:prefix+'Next'}),
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$slideshow = $tag('button', "Slideshow"),
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$loadingOverlay
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);
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$close = $('<button type="button"/>').attr({id:prefix+'Close'});
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$wrap.append( // The 3x3 Grid that makes up Colorbox
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$tag(div).append(
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$tag(div, "TopLeft"),
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$topBorder = $tag(div, "TopCenter"),
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$tag(div, "TopRight")
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),
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$tag(div, false, 'clear:left').append(
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$leftBorder = $tag(div, "MiddleLeft"),
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$content,
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$rightBorder = $tag(div, "MiddleRight")
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),
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$tag(div, false, 'clear:left').append(
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$tag(div, "BottomLeft"),
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$bottomBorder = $tag(div, "BottomCenter"),
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$tag(div, "BottomRight")
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)
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).find('div div').css({'float': 'left'});
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$loadingBay = $tag(div, false, 'position:absolute; width:9999px; visibility:hidden; display:none; max-width:none;');
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$groupControls = $next.add($prev).add($current).add($slideshow);
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$(document.body).append($overlay, $box.append($wrap, $loadingBay));
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}
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}
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// Add Colorbox's event bindings
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function addBindings() {
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function clickHandler(e) {
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// ignore non-left-mouse-clicks and clicks modified with ctrl / command, shift, or alt.
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// See: http://jacklmoore.com/notes/click-events/
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if (!(e.which > 1 || e.shiftKey || e.altKey || e.metaKey || e.ctrlKey)) {
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e.preventDefault();
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launch(this);
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}
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}
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if ($box) {
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if (!init) {
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init = true;
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// Anonymous functions here keep the public method from being cached, thereby allowing them to be redefined on the fly.
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$next.click(function () {
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publicMethod.next();
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});
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$prev.click(function () {
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publicMethod.prev();
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});
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$close.click(function () {
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publicMethod.close();
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});
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$overlay.click(function () {
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if (settings.get('overlayClose')) {
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publicMethod.close();
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}
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});
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|
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// Key Bindings
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$(document).bind('keydown.' + prefix, function (e) {
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var key = e.keyCode;
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if (open && settings.get('escKey') && key === 27) {
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e.preventDefault();
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publicMethod.close();
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}
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|
if (open && settings.get('arrowKey') && $related[1] && !e.altKey) {
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if (key === 37) {
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e.preventDefault();
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$prev.click();
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} else if (key === 39) {
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e.preventDefault();
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$next.click();
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}
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}
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});
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if ($.isFunction($.fn.on)) {
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// For jQuery 1.7+
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$(document).on('click.'+prefix, '.'+boxElement, clickHandler);
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} else {
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|
// For jQuery 1.3.x -> 1.6.x
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|
// This code is never reached in jQuery 1.9, so do not contact me about 'live' being removed.
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// This is not here for jQuery 1.9, it's here for legacy users.
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$('.'+boxElement).live('click.'+prefix, clickHandler);
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}
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}
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return true;
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}
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return false;
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}
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|
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// Don't do anything if Colorbox already exists.
|
|
if ($.colorbox) {
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return;
|
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}
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// Append the HTML when the DOM loads
|
|
$(appendHTML);
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|
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|
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// ****************
|
|
// PUBLIC FUNCTIONS
|
|
// Usage format: $.colorbox.close();
|
|
// Usage from within an iframe: parent.jQuery.colorbox.close();
|
|
// ****************
|
|
|
|
publicMethod = $.fn[colorbox] = $[colorbox] = function (options, callback) {
|
|
var settings;
|
|
var $obj = this;
|
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|
|
options = options || {};
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|
|
|
if ($.isFunction($obj)) { // assume a call to $.colorbox
|
|
$obj = $('<a/>');
|
|
options.open = true;
|
|
} else if (!$obj[0]) { // colorbox being applied to empty collection
|
|
return $obj;
|
|
}
|
|
|
|
|
|
if (!$obj[0]) { // colorbox being applied to empty collection
|
|
return $obj;
|
|
}
|
|
|
|
appendHTML();
|
|
|
|
if (addBindings()) {
|
|
|
|
if (callback) {
|
|
options.onComplete = callback;
|
|
}
|
|
|
|
$obj.each(function () {
|
|
var old = $.data(this, colorbox) || {};
|
|
$.data(this, colorbox, $.extend(old, options));
|
|
}).addClass(boxElement);
|
|
|
|
settings = new Settings($obj[0], options);
|
|
|
|
if (settings.get('open')) {
|
|
launch($obj[0]);
|
|
}
|
|
}
|
|
|
|
return $obj;
|
|
};
|
|
|
|
publicMethod.position = function (speed, loadedCallback) {
|
|
var
|
|
css,
|
|
top = 0,
|
|
left = 0,
|
|
offset = $box.offset(),
|
|
scrollTop,
|
|
scrollLeft;
|
|
|
|
$window.unbind('resize.' + prefix);
|
|
|
|
// remove the modal so that it doesn't influence the document width/height
|
|
$box.css({top: -9e4, left: -9e4});
|
|
|
|
scrollTop = $window.scrollTop();
|
|
scrollLeft = $window.scrollLeft();
|
|
|
|
if (settings.get('fixed')) {
|
|
offset.top -= scrollTop;
|
|
offset.left -= scrollLeft;
|
|
$box.css({position: 'fixed'});
|
|
} else {
|
|
top = scrollTop;
|
|
left = scrollLeft;
|
|
$box.css({position: 'absolute'});
|
|
}
|
|
|
|
// keeps the top and left positions within the browser's viewport.
|
|
if (settings.get('right') !== false) {
|
|
left += Math.max($window.width() - settings.w - loadedWidth - interfaceWidth - setSize(settings.get('right'), 'x'), 0);
|
|
} else if (settings.get('left') !== false) {
|
|
left += setSize(settings.get('left'), 'x');
|
|
} else {
|
|
left += Math.round(Math.max($window.width() - settings.w - loadedWidth - interfaceWidth, 0) / 2);
|
|
}
|
|
|
|
if (settings.get('bottom') !== false) {
|
|
top += Math.max(winheight() - settings.h - loadedHeight - interfaceHeight - setSize(settings.get('bottom'), 'y'), 0);
|
|
} else if (settings.get('top') !== false) {
|
|
top += setSize(settings.get('top'), 'y');
|
|
} else {
|
|
top += Math.round(Math.max(winheight() - settings.h - loadedHeight - interfaceHeight, 0) / 2);
|
|
}
|
|
|
|
$box.css({top: offset.top, left: offset.left, visibility:'visible'});
|
|
|
|
// this gives the wrapper plenty of breathing room so it's floated contents can move around smoothly,
|
|
// but it has to be shrank down around the size of div#colorbox when it's done. If not,
|
|
// it can invoke an obscure IE bug when using iframes.
|
|
$wrap[0].style.width = $wrap[0].style.height = "9999px";
|
|
|
|
function modalDimensions() {
|
|
$topBorder[0].style.width = $bottomBorder[0].style.width = $content[0].style.width = (parseInt($box[0].style.width,10) - interfaceWidth)+'px';
|
|
$content[0].style.height = $leftBorder[0].style.height = $rightBorder[0].style.height = (parseInt($box[0].style.height,10) - interfaceHeight)+'px';
|
|
}
|
|
|
|
css = {width: settings.w + loadedWidth + interfaceWidth, height: settings.h + loadedHeight + interfaceHeight, top: top, left: left};
|
|
|
|
// setting the speed to 0 if the content hasn't changed size or position
|
|
if (speed) {
|
|
var tempSpeed = 0;
|
|
$.each(css, function(i){
|
|
if (css[i] !== previousCSS[i]) {
|
|
tempSpeed = speed;
|
|
return;
|
|
}
|
|
});
|
|
speed = tempSpeed;
|
|
}
|
|
|
|
previousCSS = css;
|
|
|
|
if (!speed) {
|
|
$box.css(css);
|
|
}
|
|
|
|
$box.dequeue().animate(css, {
|
|
duration: speed || 0,
|
|
complete: function () {
|
|
modalDimensions();
|
|
|
|
active = false;
|
|
|
|
// shrink the wrapper down to exactly the size of colorbox to avoid a bug in IE's iframe implementation.
|
|
$wrap[0].style.width = (settings.w + loadedWidth + interfaceWidth) + "px";
|
|
$wrap[0].style.height = (settings.h + loadedHeight + interfaceHeight) + "px";
|
|
|
|
if (settings.get('reposition')) {
|
|
setTimeout(function () { // small delay before binding onresize due to an IE8 bug.
|
|
$window.bind('resize.' + prefix, publicMethod.position);
|
|
}, 1);
|
|
}
|
|
|
|
if (loadedCallback) {
|
|
loadedCallback();
|
|
}
|
|
},
|
|
step: modalDimensions
|
|
});
|
|
};
|
|
|
|
publicMethod.resize = function (options) {
|
|
var scrolltop;
|
|
|
|
if (open) {
|
|
options = options || {};
|
|
|
|
if (options.width) {
|
|
settings.w = setSize(options.width, 'x') - loadedWidth - interfaceWidth;
|
|
}
|
|
|
|
if (options.innerWidth) {
|
|
settings.w = setSize(options.innerWidth, 'x');
|
|
}
|
|
|
|
$loaded.css({width: settings.w});
|
|
|
|
if (options.height) {
|
|
settings.h = setSize(options.height, 'y') - loadedHeight - interfaceHeight;
|
|
}
|
|
|
|
if (options.innerHeight) {
|
|
settings.h = setSize(options.innerHeight, 'y');
|
|
}
|
|
|
|
if (!options.innerHeight && !options.height) {
|
|
scrolltop = $loaded.scrollTop();
|
|
$loaded.css({height: "auto"});
|
|
settings.h = $loaded.height();
|
|
}
|
|
|
|
$loaded.css({height: settings.h});
|
|
|
|
if(scrolltop) {
|
|
$loaded.scrollTop(scrolltop);
|
|
}
|
|
|
|
publicMethod.position(settings.get('transition') === "none" ? 0 : settings.get('speed'));
|
|
}
|
|
};
|
|
|
|
publicMethod.prep = function (object) {
|
|
if (!open) {
|
|
return;
|
|
}
|
|
|
|
var callback, speed = settings.get('transition') === "none" ? 0 : settings.get('speed');
|
|
|
|
$loaded.remove();
|
|
|
|
$loaded = $tag(div, 'LoadedContent').append(object);
|
|
|
|
function getWidth() {
|
|
settings.w = settings.w || $loaded.width();
|
|
settings.w = settings.mw && settings.mw < settings.w ? settings.mw : settings.w;
|
|
return settings.w;
|
|
}
|
|
function getHeight() {
|
|
settings.h = settings.h || $loaded.height();
|
|
settings.h = settings.mh && settings.mh < settings.h ? settings.mh : settings.h;
|
|
return settings.h;
|
|
}
|
|
|
|
$loaded.hide()
|
|
.appendTo($loadingBay.show())// content has to be appended to the DOM for accurate size calculations.
|
|
.css({width: getWidth(), overflow: settings.get('scrolling') ? 'auto' : 'hidden'})
|
|
.css({height: getHeight()})// sets the height independently from the width in case the new width influences the value of height.
|
|
.prependTo($content);
|
|
|
|
$loadingBay.hide();
|
|
|
|
// floating the IMG removes the bottom line-height and fixed a problem where IE miscalculates the width of the parent element as 100% of the document width.
|
|
|
|
$(photo).css({'float': 'none'});
|
|
|
|
setClass(settings.get('className'));
|
|
|
|
callback = function () {
|
|
var total = $related.length,
|
|
iframe,
|
|
complete;
|
|
|
|
if (!open) {
|
|
return;
|
|
}
|
|
|
|
function removeFilter() { // Needed for IE8 in versions of jQuery prior to 1.7.2
|
|
if ($.support.opacity === false) {
|
|
$box[0].style.removeAttribute('filter');
|
|
}
|
|
}
|
|
|
|
complete = function () {
|
|
clearTimeout(loadingTimer);
|
|
$loadingOverlay.hide();
|
|
trigger(event_complete);
|
|
settings.get('onComplete');
|
|
};
|
|
|
|
|
|
$title.html(settings.get('title')).show();
|
|
$loaded.show();
|
|
|
|
if (total > 1) { // handle grouping
|
|
if (typeof settings.get('current') === "string") {
|
|
$current.html(settings.get('current').replace('{current}', index + 1).replace('{total}', total)).show();
|
|
}
|
|
|
|
$next[(settings.get('loop') || index < total - 1) ? "show" : "hide"]().html(settings.get('next'));
|
|
$prev[(settings.get('loop') || index) ? "show" : "hide"]().html(settings.get('previous'));
|
|
|
|
slideshow();
|
|
|
|
// Preloads images within a rel group
|
|
if (settings.get('preloading')) {
|
|
$.each([getIndex(-1), getIndex(1)], function(){
|
|
var img,
|
|
i = $related[this],
|
|
settings = new Settings(i, $.data(i, colorbox)),
|
|
src = settings.get('href');
|
|
|
|
if (src && isImage(settings, src)) {
|
|
src = retinaUrl(settings, src);
|
|
img = document.createElement('img');
|
|
img.src = src;
|
|
}
|
|
});
|
|
}
|
|
} else {
|
|
$groupControls.hide();
|
|
}
|
|
|
|
if (settings.get('iframe')) {
|
|
iframe = document.createElement('iframe');
|
|
|
|
if ('frameBorder' in iframe) {
|
|
iframe.frameBorder = 0;
|
|
}
|
|
|
|
if ('allowTransparency' in iframe) {
|
|
iframe.allowTransparency = "true";
|
|
}
|
|
|
|
if (!settings.get('scrolling')) {
|
|
iframe.scrolling = "no";
|
|
}
|
|
|
|
$(iframe)
|
|
.attr({
|
|
src: settings.get('href'),
|
|
name: (new Date()).getTime(), // give the iframe a unique name to prevent caching
|
|
'class': prefix + 'Iframe',
|
|
allowFullScreen : true // allow HTML5 video to go fullscreen
|
|
})
|
|
.one('load', complete)
|
|
.appendTo($loaded);
|
|
|
|
$events.one(event_purge, function () {
|
|
iframe.src = "//about:blank";
|
|
});
|
|
|
|
if (settings.get('fastIframe')) {
|
|
$(iframe).trigger('load');
|
|
}
|
|
} else {
|
|
complete();
|
|
}
|
|
|
|
if (settings.get('transition') === 'fade') {
|
|
$box.fadeTo(speed, 1, removeFilter);
|
|
} else {
|
|
removeFilter();
|
|
}
|
|
};
|
|
|
|
if (settings.get('transition') === 'fade') {
|
|
$box.fadeTo(speed, 0, function () {
|
|
publicMethod.position(0, callback);
|
|
});
|
|
} else {
|
|
publicMethod.position(speed, callback);
|
|
}
|
|
};
|
|
|
|
function load () {
|
|
var href, setResize, prep = publicMethod.prep, $inline, request = ++requests;
|
|
|
|
active = true;
|
|
|
|
photo = false;
|
|
|
|
trigger(event_purge);
|
|
trigger(event_load);
|
|
settings.get('onLoad');
|
|
|
|
settings.h = settings.get('height') ?
|
|
setSize(settings.get('height'), 'y') - loadedHeight - interfaceHeight :
|
|
settings.get('innerHeight') && setSize(settings.get('innerHeight'), 'y');
|
|
|
|
settings.w = settings.get('width') ?
|
|
setSize(settings.get('width'), 'x') - loadedWidth - interfaceWidth :
|
|
settings.get('innerWidth') && setSize(settings.get('innerWidth'), 'x');
|
|
|
|
// Sets the minimum dimensions for use in image scaling
|
|
settings.mw = settings.w;
|
|
settings.mh = settings.h;
|
|
|
|
// Re-evaluate the minimum width and height based on maxWidth and maxHeight values.
|
|
// If the width or height exceed the maxWidth or maxHeight, use the maximum values instead.
|
|
if (settings.get('maxWidth')) {
|
|
settings.mw = setSize(settings.get('maxWidth'), 'x') - loadedWidth - interfaceWidth;
|
|
settings.mw = settings.w && settings.w < settings.mw ? settings.w : settings.mw;
|
|
}
|
|
if (settings.get('maxHeight')) {
|
|
settings.mh = setSize(settings.get('maxHeight'), 'y') - loadedHeight - interfaceHeight;
|
|
settings.mh = settings.h && settings.h < settings.mh ? settings.h : settings.mh;
|
|
}
|
|
|
|
href = settings.get('href');
|
|
|
|
loadingTimer = setTimeout(function () {
|
|
$loadingOverlay.show();
|
|
}, 100);
|
|
|
|
if (settings.get('inline')) {
|
|
// Inserts an empty placeholder where inline content is being pulled from.
|
|
// An event is bound to put inline content back when Colorbox closes or loads new content.
|
|
$inline = $tag(div).hide().insertBefore($(href)[0]);
|
|
|
|
$events.one(event_purge, function () {
|
|
$inline.replaceWith($loaded.children());
|
|
});
|
|
|
|
prep($(href));
|
|
} else if (settings.get('iframe')) {
|
|
// IFrame element won't be added to the DOM until it is ready to be displayed,
|
|
// to avoid problems with DOM-ready JS that might be trying to run in that iframe.
|
|
prep(" ");
|
|
} else if (settings.get('html')) {
|
|
prep(settings.get('html'));
|
|
} else if (isImage(settings, href)) {
|
|
|
|
href = retinaUrl(settings, href);
|
|
|
|
photo = document.createElement('img');
|
|
|
|
$(photo)
|
|
.addClass(prefix + 'Photo')
|
|
.bind('error',function () {
|
|
prep($tag(div, 'Error').html(settings.get('imgError')));
|
|
})
|
|
.one('load', function () {
|
|
var percent;
|
|
|
|
if (request !== requests) {
|
|
return;
|
|
}
|
|
|
|
$.each(['alt', 'longdesc', 'aria-describedby'], function(i,val){
|
|
var attr = $(settings.el).attr(val) || $(settings.el).attr('data-'+val);
|
|
if (attr) {
|
|
photo.setAttribute(val, attr);
|
|
}
|
|
});
|
|
|
|
if (settings.get('retinaImage') && window.devicePixelRatio > 1) {
|
|
photo.height = photo.height / window.devicePixelRatio;
|
|
photo.width = photo.width / window.devicePixelRatio;
|
|
}
|
|
|
|
if (settings.get('scalePhotos')) {
|
|
setResize = function () {
|
|
photo.height -= photo.height * percent;
|
|
photo.width -= photo.width * percent;
|
|
};
|
|
if (settings.mw && photo.width > settings.mw) {
|
|
percent = (photo.width - settings.mw) / photo.width;
|
|
setResize();
|
|
}
|
|
if (settings.mh && photo.height > settings.mh) {
|
|
percent = (photo.height - settings.mh) / photo.height;
|
|
setResize();
|
|
}
|
|
}
|
|
|
|
if (settings.h) {
|
|
photo.style.marginTop = Math.max(settings.mh - photo.height, 0) / 2 + 'px';
|
|
}
|
|
|
|
if ($related[1] && (settings.get('loop') || $related[index + 1])) {
|
|
photo.style.cursor = 'pointer';
|
|
photo.onclick = function () {
|
|
publicMethod.next();
|
|
};
|
|
}
|
|
|
|
photo.style.width = photo.width + 'px';
|
|
photo.style.height = photo.height + 'px';
|
|
|
|
setTimeout(function () { // A pause because Chrome will sometimes report a 0 by 0 size otherwise.
|
|
prep(photo);
|
|
}, 1);
|
|
});
|
|
|
|
setTimeout(function () { // A pause because Opera 10.6+ will sometimes not run the onload function otherwise.
|
|
photo.src = href;
|
|
}, 1);
|
|
} else if (href) {
|
|
$loadingBay.load(href, settings.get('data'), function (data, status) {
|
|
if (request === requests) {
|
|
prep(status === 'error' ? $tag(div, 'Error').html(settings.get('xhrError')) : $(this).contents());
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
// Navigates to the next page/image in a set.
|
|
publicMethod.next = function () {
|
|
if (!active && $related[1] && (settings.get('loop') || $related[index + 1])) {
|
|
index = getIndex(1);
|
|
launch($related[index]);
|
|
}
|
|
};
|
|
|
|
publicMethod.prev = function () {
|
|
if (!active && $related[1] && (settings.get('loop') || index)) {
|
|
index = getIndex(-1);
|
|
launch($related[index]);
|
|
}
|
|
};
|
|
|
|
// Note: to use this within an iframe use the following format: parent.jQuery.colorbox.close();
|
|
publicMethod.close = function () {
|
|
if (open && !closing) {
|
|
|
|
closing = true;
|
|
open = false;
|
|
trigger(event_cleanup);
|
|
settings.get('onCleanup');
|
|
$window.unbind('.' + prefix);
|
|
$overlay.fadeTo(settings.get('fadeOut') || 0, 0);
|
|
|
|
$box.stop().fadeTo(settings.get('fadeOut') || 0, 0, function () {
|
|
$box.hide();
|
|
$overlay.hide();
|
|
trigger(event_purge);
|
|
$loaded.remove();
|
|
|
|
setTimeout(function () {
|
|
closing = false;
|
|
trigger(event_closed);
|
|
settings.get('onClosed');
|
|
}, 1);
|
|
});
|
|
}
|
|
};
|
|
|
|
// Removes changes Colorbox made to the document, but does not remove the plugin.
|
|
publicMethod.remove = function () {
|
|
if (!$box) { return; }
|
|
|
|
$box.stop();
|
|
$.colorbox.close();
|
|
$box.stop().remove();
|
|
$overlay.remove();
|
|
closing = false;
|
|
$box = null;
|
|
$('.' + boxElement)
|
|
.removeData(colorbox)
|
|
.removeClass(boxElement);
|
|
|
|
$(document).unbind('click.'+prefix);
|
|
};
|
|
|
|
// A method for fetching the current element Colorbox is referencing.
|
|
// returns a jQuery object.
|
|
publicMethod.element = function () {
|
|
return $(settings.el);
|
|
};
|
|
|
|
publicMethod.settings = defaults;
|
|
|
|
}(jQuery, document, window));
|
|
|