friendica/view/theme/frio/frameworks/ekko-lightbox/ekko-lightbox.js

441 wiersze
18 KiB
JavaScript

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