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401 lines
16 KiB
JavaScript
401 lines
16 KiB
JavaScript
/*
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Lightbox for Bootstrap 3 by @ashleydw
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https://github.com/ashleydw/lightbox
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License: https://github.com/ashleydw/lightbox/blob/master/LICENSE
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*/
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(function() {
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"use strict";
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var $, EkkoLightbox;
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$ = jQuery;
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EkkoLightbox = function(element, options) {
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var content, footer, header,
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_this = this;
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this.options = $.extend({
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title: null,
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footer: null,
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remote: null
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}, $.fn.ekkoLightbox.defaults, options || {});
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this.$element = $(element);
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content = '';
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this.modal_id = this.options.modal_id ? this.options.modal_id : 'ekkoLightbox-' + Math.floor((Math.random() * 1000) + 1);
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header = '<div class="modal-header"' + (this.options.title || this.options.always_show_close ? '' : ' style="display:none"') + '><button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button><h4 class="modal-title">' + (this.options.title || " ") + '</h4></div>';
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footer = '<div class="modal-footer"' + (this.options.footer ? '' : ' style="display:none"') + '>' + this.options.footer + '</div>';
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$(document.body).append('<div id="' + this.modal_id + '" class="ekko-lightbox modal fade" tabindex="-1"><div class="modal-dialog"><div class="modal-content">' + header + '<div class="modal-body"><div class="ekko-lightbox-container"><div></div></div></div>' + footer + '</div></div></div>');
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this.modal = $('#' + this.modal_id);
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this.modal_dialog = this.modal.find('.modal-dialog').first();
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this.modal_content = this.modal.find('.modal-content').first();
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this.modal_body = this.modal.find('.modal-body').first();
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this.lightbox_container = this.modal_body.find('.ekko-lightbox-container').first();
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this.lightbox_body = this.lightbox_container.find('> div:first-child').first();
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this.showLoading();
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this.modal_arrows = null;
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this.border = {
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top: parseFloat(this.modal_dialog.css('border-top-width')) + parseFloat(this.modal_content.css('border-top-width')) + parseFloat(this.modal_body.css('border-top-width')),
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right: parseFloat(this.modal_dialog.css('border-right-width')) + parseFloat(this.modal_content.css('border-right-width')) + parseFloat(this.modal_body.css('border-right-width')),
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bottom: parseFloat(this.modal_dialog.css('border-bottom-width')) + parseFloat(this.modal_content.css('border-bottom-width')) + parseFloat(this.modal_body.css('border-bottom-width')),
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left: parseFloat(this.modal_dialog.css('border-left-width')) + parseFloat(this.modal_content.css('border-left-width')) + parseFloat(this.modal_body.css('border-left-width'))
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};
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this.padding = {
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top: parseFloat(this.modal_dialog.css('padding-top')) + parseFloat(this.modal_content.css('padding-top')) + parseFloat(this.modal_body.css('padding-top')),
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right: parseFloat(this.modal_dialog.css('padding-right')) + parseFloat(this.modal_content.css('padding-right')) + parseFloat(this.modal_body.css('padding-right')),
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bottom: parseFloat(this.modal_dialog.css('padding-bottom')) + parseFloat(this.modal_content.css('padding-bottom')) + parseFloat(this.modal_body.css('padding-bottom')),
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left: parseFloat(this.modal_dialog.css('padding-left')) + parseFloat(this.modal_content.css('padding-left')) + parseFloat(this.modal_body.css('padding-left'))
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};
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this.modal.on('show.bs.modal', this.options.onShow.bind(this)).on('shown.bs.modal', function() {
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_this.modal_shown();
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return _this.options.onShown.call(_this);
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}).on('hide.bs.modal', this.options.onHide.bind(this)).on('hidden.bs.modal', function() {
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if (_this.gallery) {
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$(document).off('keydown.ekkoLightbox');
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}
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_this.modal.remove();
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return _this.options.onHidden.call(_this);
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}).modal('show', options);
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return this.modal;
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};
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EkkoLightbox.prototype = {
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modal_shown: function() {
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var video_id,
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_this = this;
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if (!this.options.remote) {
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return this.error('No remote target given');
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} else {
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this.gallery = this.$element.data('gallery');
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if (this.gallery) {
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if (this.options.gallery_parent_selector === 'document.body' || this.options.gallery_parent_selector === '') {
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this.gallery_items = $(document.body).find('*[data-toggle="lightbox"][data-gallery="' + this.gallery + '"]');
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} else {
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this.gallery_items = this.$element.parents(this.options.gallery_parent_selector).first().find('*[data-toggle="lightbox"][data-gallery="' + this.gallery + '"]');
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}
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this.gallery_index = this.gallery_items.index(this.$element);
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$(document).on('keydown.ekkoLightbox', this.navigate.bind(this));
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if (this.options.directional_arrows && this.gallery_items.length > 1) {
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this.lightbox_container.append('<div class="ekko-lightbox-nav-overlay"><a href="#" class="' + this.strip_stops(this.options.left_arrow_class) + '"></a><a href="#" class="' + this.strip_stops(this.options.right_arrow_class) + '"></a></div>');
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this.modal_arrows = this.lightbox_container.find('div.ekko-lightbox-nav-overlay').first();
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this.lightbox_container.find('a' + this.strip_spaces(this.options.left_arrow_class)).on('click', function(event) {
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event.preventDefault();
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return _this.navigate_left();
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});
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this.lightbox_container.find('a' + this.strip_spaces(this.options.right_arrow_class)).on('click', function(event) {
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event.preventDefault();
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return _this.navigate_right();
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});
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}
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}
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if (this.options.type) {
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if (this.options.type === 'image') {
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return this.preloadImage(this.options.remote, true);
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} else if (this.options.type === 'youtube' && (video_id = this.getYoutubeId(this.options.remote))) {
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return this.showYoutubeVideo(video_id);
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} else if (this.options.type === 'vimeo') {
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return this.showVimeoVideo(this.options.remote);
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} else if (this.options.type === 'instagram') {
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return this.showInstagramVideo(this.options.remote);
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} else if (this.options.type === 'url') {
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return this.loadRemoteContent(this.options.remote);
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} else if (this.options.type === 'video') {
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return this.showVideoIframe(this.options.remote);
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} else {
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return this.error("Could not detect remote target type. Force the type using data-type=\"image|youtube|vimeo|instagram|url|video\"");
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}
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} else {
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return this.detectRemoteType(this.options.remote);
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}
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}
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},
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strip_stops: function(str) {
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return str.replace(/\./g, '');
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},
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strip_spaces: function(str) {
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return str.replace(/\s/g, '');
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},
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isImage: function(str) {
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return str.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg)((\?|#).*)?$)/i);
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},
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isSwf: function(str) {
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return str.match(/\.(swf)((\?|#).*)?$/i);
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},
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getYoutubeId: function(str) {
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var match;
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match = str.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);
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if (match && match[2].length === 11) {
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return match[2];
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} else {
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return false;
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}
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},
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getVimeoId: function(str) {
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if (str.indexOf('vimeo') > 0) {
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return str;
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} else {
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return false;
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}
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},
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getInstagramId: function(str) {
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if (str.indexOf('instagram') > 0) {
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return str;
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} else {
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return false;
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}
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},
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navigate: function(event) {
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event = event || window.event;
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if (event.keyCode === 39 || event.keyCode === 37) {
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if (event.keyCode === 39) {
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return this.navigate_right();
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} else if (event.keyCode === 37) {
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return this.navigate_left();
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}
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}
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},
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navigateTo: function(index) {
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var next, src;
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if (index < 0 || index > this.gallery_items.length - 1) {
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return this;
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}
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this.showLoading();
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this.gallery_index = index;
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this.$element = $(this.gallery_items.get(this.gallery_index));
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this.updateTitleAndFooter();
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src = this.$element.attr('data-remote') || this.$element.attr('href');
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this.detectRemoteType(src, this.$element.attr('data-type') || false);
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if (this.gallery_index + 1 < this.gallery_items.length) {
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next = $(this.gallery_items.get(this.gallery_index + 1), false);
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src = next.attr('data-remote') || next.attr('href');
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if (next.attr('data-type') === 'image' || this.isImage(src)) {
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return this.preloadImage(src, false);
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}
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}
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},
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navigate_left: function() {
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if (this.gallery_items.length === 1) {
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return;
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}
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if (this.gallery_index === 0) {
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this.gallery_index = this.gallery_items.length - 1;
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} else {
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this.gallery_index--;
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}
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this.options.onNavigate.call(this, 'left', this.gallery_index);
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return this.navigateTo(this.gallery_index);
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},
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navigate_right: function() {
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if (this.gallery_items.length === 1) {
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return;
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}
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if (this.gallery_index === this.gallery_items.length - 1) {
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this.gallery_index = 0;
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} else {
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this.gallery_index++;
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}
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this.options.onNavigate.call(this, 'right', this.gallery_index);
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return this.navigateTo(this.gallery_index);
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},
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detectRemoteType: function(src, type) {
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var video_id;
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type = type || false;
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if (type === 'image' || this.isImage(src)) {
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this.options.type = 'image';
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return this.preloadImage(src, true);
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} else if (type === 'youtube' || (video_id = this.getYoutubeId(src))) {
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this.options.type = 'youtube';
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return this.showYoutubeVideo(video_id);
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} else if (type === 'vimeo' || (video_id = this.getVimeoId(src))) {
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this.options.type = 'vimeo';
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return this.showVimeoVideo(video_id);
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} else if (type === 'instagram' || (video_id = this.getInstagramId(src))) {
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this.options.type = 'instagram';
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return this.showInstagramVideo(video_id);
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} else if (type === 'video') {
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this.options.type = 'video';
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return this.showVideoIframe(video_id);
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} else {
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this.options.type = 'url';
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return this.loadRemoteContent(src);
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}
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},
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updateTitleAndFooter: function() {
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var caption, footer, header, title;
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header = this.modal_content.find('.modal-header');
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footer = this.modal_content.find('.modal-footer');
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title = this.$element.data('title') || "";
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caption = this.$element.data('footer') || "";
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if (title || this.options.always_show_close) {
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header.css('display', '').find('.modal-title').html(title || " ");
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} else {
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header.css('display', 'none');
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}
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if (caption) {
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footer.css('display', '').html(caption);
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} else {
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footer.css('display', 'none');
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}
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return this;
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},
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showLoading: function() {
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this.lightbox_body.html('<div class="modal-loading">' + this.options.loadingMessage + '</div>');
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return this;
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},
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showYoutubeVideo: function(id) {
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var height, width;
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width = this.checkDimensions(this.$element.data('width') || 560);
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height = width / (560 / 315);
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return this.showVideoIframe('//www.youtube.com/embed/' + id + '?badge=0&autoplay=1&html5=1', width, height);
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},
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showVimeoVideo: function(id) {
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var height, width;
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width = this.checkDimensions(this.$element.data('width') || 560);
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height = width / (500 / 281);
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return this.showVideoIframe(id + '?autoplay=1', width, height);
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},
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showInstagramVideo: function(id) {
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var height, width;
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width = this.checkDimensions(this.$element.data('width') || 612);
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this.resize(width);
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height = width + 80;
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this.lightbox_body.html('<iframe width="' + width + '" height="' + height + '" src="' + this.addTrailingSlash(id) + 'embed/" frameborder="0" allowfullscreen></iframe>');
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this.options.onContentLoaded.call(this);
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if (this.modal_arrows) {
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return this.modal_arrows.css('display', 'none');
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}
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},
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showVideoIframe: function(url, width, height) {
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height = height || width;
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this.resize(width);
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this.lightbox_body.html('<div class="embed-responsive embed-responsive-16by9"><iframe width="' + width + '" height="' + height + '" src="' + url + '" frameborder="0" allowfullscreen class="embed-responsive-item"></iframe></div>');
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this.options.onContentLoaded.call(this);
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if (this.modal_arrows) {
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this.modal_arrows.css('display', 'none');
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}
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return this;
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},
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loadRemoteContent: function(url) {
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var disableExternalCheck, width,
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_this = this;
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width = this.$element.data('width') || 560;
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this.resize(width);
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disableExternalCheck = this.$element.data('disableExternalCheck') || false;
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if (!disableExternalCheck && !this.isExternal(url)) {
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this.lightbox_body.load(url, $.proxy(function() {
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return _this.$element.trigger('loaded.bs.modal');
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}));
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} else {
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this.lightbox_body.html('<iframe width="' + width + '" height="' + width + '" src="' + url + '" frameborder="0" allowfullscreen></iframe>');
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this.options.onContentLoaded.call(this);
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}
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if (this.modal_arrows) {
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this.modal_arrows.css('display', 'none');
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}
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return this;
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},
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isExternal: function(url) {
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var match;
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match = url.match(/^([^:\/?#]+:)?(?:\/\/([^\/?#]*))?([^?#]+)?(\?[^#]*)?(#.*)?/);
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if (typeof match[1] === "string" && match[1].length > 0 && match[1].toLowerCase() !== location.protocol) {
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return true;
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}
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if (typeof match[2] === "string" && match[2].length > 0 && match[2].replace(new RegExp(":(" + {
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"http:": 80,
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"https:": 443
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}[location.protocol] + ")?$"), "") !== location.host) {
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return true;
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}
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return false;
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},
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error: function(message) {
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this.lightbox_body.html(message);
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return this;
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},
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preloadImage: function(src, onLoadShowImage) {
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var img,
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_this = this;
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img = new Image();
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if ((onLoadShowImage == null) || onLoadShowImage === true) {
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img.onload = function() {
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var image;
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image = $('<img />');
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image.attr('src', img.src);
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image.addClass('img-responsive');
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_this.lightbox_body.html(image);
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if (_this.modal_arrows) {
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_this.modal_arrows.css('display', 'block');
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}
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return image.load(function() {
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_this.resize(img.width);
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return _this.options.onContentLoaded.call(_this);
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});
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};
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img.onerror = function() {
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return _this.error('Failed to load image: ' + src);
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};
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}
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img.src = src;
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return img;
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},
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resize: function(width) {
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var width_total;
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width_total = width + this.border.left + this.padding.left + this.padding.right + this.border.right;
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this.modal_dialog.css('width', 'auto').css('max-width', width_total);
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this.lightbox_container.find('a').css('line-height', function() {
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return $(this).parent().height() + 'px';
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});
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return this;
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},
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checkDimensions: function(width) {
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var body_width, width_total;
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width_total = width + this.border.left + this.padding.left + this.padding.right + this.border.right;
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body_width = document.body.clientWidth;
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if (width_total > body_width) {
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width = this.modal_body.width();
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}
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return width;
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},
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close: function() {
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return this.modal.modal('hide');
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},
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addTrailingSlash: function(url) {
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if (url.substr(-1) !== '/') {
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url += '/';
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}
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return url;
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}
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};
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$.fn.ekkoLightbox = function(options) {
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return this.each(function() {
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var $this;
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$this = $(this);
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options = $.extend({
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remote: $this.attr('data-remote') || $this.attr('href'),
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gallery_parent_selector: $this.attr('data-parent'),
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type: $this.attr('data-type')
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}, options, $this.data());
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new EkkoLightbox(this, options);
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return this;
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});
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};
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$.fn.ekkoLightbox.defaults = {
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gallery_parent_selector: 'document.body',
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left_arrow_class: '.glyphicon .glyphicon-chevron-left',
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right_arrow_class: '.glyphicon .glyphicon-chevron-right',
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directional_arrows: true,
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type: null,
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always_show_close: true,
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loadingMessage: 'Loading...',
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onShow: function() {},
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onShown: function() {},
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onHide: function() {},
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onHidden: function() {},
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onNavigate: function() {},
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onContentLoaded: function() {}
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};
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}).call(this);
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