Team:Cornell/script/lightbox

From 2014.igem.org

(Difference between revisions)
 
(One intermediate revision not shown)
Line 1: Line 1:
-
/*!
+
/*
-
* bootstrap-lightbox.js v0.6.1
+
Lightbox for Bootstrap 3 by @ashleydw
-
* Copyright 2013 Jason Butz
+
https://github.com/ashleydw/lightbox
-
* http://www.apache.org/licenses/LICENSE-2.0.txt
+
 
 +
License: https://github.com/ashleydw/lightbox/blob/master/LICENSE
*/
*/
-
!function ($) {
 
-
"use strict";
 
-
/* LIGHTBOX CLASS DEFINITION
+
(function() {
-
* ========================= */
+
  "use strict";
 +
  var $, EkkoLightbox;
-
var Lightbox = function (element, options)
+
  $ = jQuery;
-
{
+
-
this.options = options;
+
-
this.$element = $(element)
+
-
.delegate('[data-dismiss="lightbox"]', 'click.dismiss.lightbox', $.proxy(this.hide, this));
+
-
this.options.remote && this.$element.find('.lightbox-body').load(this.options.remote);
+
  EkkoLightbox = function(element, options) {
-
 
+
    var content, footer, header,
-
}
+
      _this = this;
-
 
+
    this.options = $.extend({
-
// We depend upon Twitter Bootstrap's Modal library to simplify things here
+
      title: null,
-
Lightbox.prototype = $.extend({},$.fn.modal.Constructor.prototype);
+
      footer: null,
-
 
+
      remote: null
-
Lightbox.prototype.constructor = Lightbox;
+
    }, $.fn.ekkoLightbox.defaults, options || {});
-
 
+
    this.$element = $(element);
-
// We can't use Modal for this, it depends upon a class
+
    content = '';
-
Lightbox.prototype.enforceFocus = function ()
+
    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></div>';
-
var that = this;
+
    footer = '<div class="modal-footer"' + (this.options.footer ? '' : ' style="display:none"') + '>' + this.options.footer + '</div>';
-
$(document).on('focusin.lightbox', function (e)
+
    $(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 = $('#' + this.modal_id);
-
if (that.$element[0] !== e.target && !that.$element.has(e.target).length)
+
    this.modal_dialog = this.modal.find('.modal-dialog').first();
-
{
+
    this.modal_content = this.modal.find('.modal-content').first();
-
that.$element.focus();
+
    this.modal_body = this.modal.find('.modal-body').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;
-
// We have to have a copy of this since we are tweaking it a bit
+
    this.border = {
-
Lightbox.prototype.show = function()
+
      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')),
-
var that = this,
+
      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')),
-
e    = $.Event('show');
+
      left: parseFloat(this.modal_dialog.css('border-left-width')) + parseFloat(this.modal_content.css('border-left-width')) + parseFloat(this.modal_body.css('border-left-width'))
-
+
-
this.$element.trigger(e);
+
-
+
-
if (this.isShown || e.isDefaultPrevented()) return;
+
-
+
-
this.isShown = true;
+
-
+
-
 
+
-
this.escape();
+
-
+
-
// This bit is added since we don't display until we have the size
+
-
// which prevents image jumping
+
-
this.preloadSize(function()
+
-
{
+
-
that.backdrop(function ()
+
-
{
+
-
var transition = $.support.transition && that.$element.hasClass('fade');
+
-
+
-
if (!that.$element.parent().length)
+
-
{
+
-
that.$element.appendTo(document.body); //don't move modals dom position
+
-
}
+
-
+
-
that.$element.show();
+
-
+
-
if (transition)
+
-
{
+
-
that.$element[0].offsetWidth; // force reflow
+
-
}
+
-
+
-
that.$element
+
-
.addClass('in')
+
-
.attr('aria-hidden', false);
+
-
+
-
that.enforceFocus();
+
-
+
-
transition ?
+
-
that.$element.one($.support.transition.end, function () { that.$element.focus().trigger('shown') }) :
+
-
that.$element.focus().trigger('shown');
+
-
});
+
-
});
+
-
};
+
-
 
+
-
// We have to have this because of a class in it
+
-
Lightbox.prototype.hide = function (e)
+
-
{
+
-
        e && e.preventDefault();
+
-
 
+
-
        var that = this;
+
-
 
+
-
        e = $.Event('hide');
+
-
 
+
-
        this.$element.trigger(e);
+
-
 
+
-
        if (!this.isShown || e.isDefaultPrevented()) return;
+
-
 
+
-
        this.isShown = false;
+
-
 
+
-
        this.escape();
+
-
 
+
-
        $(document).off('focusin.lightbox');
+
-
 
+
-
        this.$element
+
-
          .removeClass('in')
+
-
          .attr('aria-hidden', true);
+
-
 
+
-
        $.support.transition && this.$element.hasClass('fade') ?
+
-
          this.hideWithTransition() :
+
-
          this.hideModal();
+
     };
     };
 +
    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.modal_shown();
 +
      return _this.options.onShown.call(_this);
 +
    }).on('hide.bs.modal', this.options.onHide.bind(this)).on('hidden.bs.modal', function() {
 +
      if (_this.gallery) {
 +
        $(document).off('keydown.ekkoLightbox');
 +
      }
 +
      _this.modal.remove();
 +
      return _this.options.onHidden.call(_this);
 +
    }).modal('show', options);
 +
    return this.modal;
 +
  };
-
    // This references a class as well
+
  EkkoLightbox.prototype = {
-
    Lightbox.prototype.escape = function()
+
    modal_shown: function() {
-
{
+
      var video_id,
-
var that = this;
+
        _this = this;
-
if (this.isShown && this.options.keyboard)
+
      if (!this.options.remote) {
-
{
+
        return this.error('No remote target given');
-
this.$element.on('keyup.dismiss.lightbox', function ( e )
+
      } else {
-
{
+
        this.gallery = this.$element.data('gallery');
-
e.which == 27 && that.hide();
+
        if (this.gallery) {
-
});
+
          if (this.options.gallery_parent_selector === 'document.body' || this.options.gallery_parent_selector === '') {
-
}
+
            this.gallery_items = $(document.body).find('*[data-toggle="lightbox"][data-gallery="' + this.gallery + '"]');
-
else if (!this.isShown)
+
          } else {
-
{
+
            this.gallery_items = this.$element.parents(this.options.gallery_parent_selector).first().find('*[data-toggle="lightbox"][data-gallery="' + this.gallery + '"]');
-
this.$element.off('keyup.dismiss.lightbox');
+
          }
-
}
+
          this.gallery_index = this.gallery_items.index(this.$element);
-
}
+
          $(document).on('keydown.ekkoLightbox', this.navigate.bind(this));
-
 
+
          if (this.options.directional_arrows && this.gallery_items.length > 1) {
-
Lightbox.prototype.preloadSize = function(callback)
+
            this.lightbox_container.prepend('<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();
-
var callbacks = $.Callbacks();
+
            this.lightbox_container.find('a' + this.strip_spaces(this.options.left_arrow_class)).on('click', function(event) {
-
if(callback) callbacks.add( callback );
+
              event.preventDefault();
-
var that = this;
+
              return _this.navigate_left();
-
 
+
            });
-
var windowHeight,
+
            this.lightbox_container.find('a' + this.strip_spaces(this.options.right_arrow_class)).on('click', function(event) {
-
windowWidth,
+
              event.preventDefault();
-
padTop,
+
              return _this.navigate_right();
-
padBottom,
+
            });
-
padLeft,
+
          }
-
padRight,
+
        }
-
$image,
+
        if (this.options.type) {
-
preloader,
+
          if (this.options.type === 'image') {
-
originalWidth,
+
            return this.preloadImage(this.options.remote, true);
-
originalHeight;
+
          } else if (this.options.type === 'youtube' && (video_id = this.getYoutubeId(this.options.remote))) {
-
// Get the window width and height.
+
            return this.showYoutubeVideo(video_id);
-
windowHeight = $(window).height();
+
          } else if (this.options.type === 'vimeo') {
-
windowWidth  = $(window).width();
+
            return this.showVimeoVideo(this.options.remote);
-
 
+
          } else if (this.options.type === 'instagram') {
-
// Get the top, bottom, right, and left padding
+
            return this.showInstagramVideo(this.options.remote);
-
padTop    = parseInt( that.$element.find('.lightbox-content').css('padding-top')   , 10);
+
          } else {
-
padBottom = parseInt( that.$element.find('.lightbox-content').css('padding-bottom') , 10);
+
            return this.error("Could not detect remote target type. Force the type using data-type=\"image|youtube|vimeo\"");
-
padLeft  = parseInt( that.$element.find('.lightbox-content').css('padding-left')  , 10);
+
          }
-
padRight  = parseInt( that.$element.find('.lightbox-content').css('padding-right')  , 10);
+
        } else {
-
 
+
          return this.detectRemoteType(this.options.remote);
-
// Load the image, we have to do this because if the image isn't already loaded we get a bad size
+
        }
-
$image    = that.$element.find('.lightbox-content').find('img:first');
+
      }
-
preloader = new Image();
+
    },
-
preloader.onload = function()
+
    strip_stops: function(str) {
-
{
+
      return str.replace(/\./g, '');
-
//$image.width = preloader.width;
+
    },
-
//$image.height = preloader.height;
+
    strip_spaces: function(str) {
-
//return _this.sizeContainer(preloader.width, preloader.height);
+
      return str.replace(/\s/g, '');
-
 
+
    },
-
// The image could be bigger than the window, that is an issue.
+
    isImage: function(str) {
-
if( (preloader.width + padLeft + padRight) >= windowWidth)
+
      return str.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg)((\?|#).*)?$)/i);
-
{
+
    },
-
originalWidth = preloader.width;
+
    isSwf: function(str) {
-
originalHeight = preloader.height;
+
      return str.match(/\.(swf)((\?|#).*)?$/i);
-
preloader.width = windowWidth - padLeft - padRight;
+
    },
-
preloader.height = originalHeight / originalWidth * preloader.width;
+
    getYoutubeId: function(str) {
-
}
+
      var match;
-
 
+
      match = str.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);
-
if( (preloader.height + padTop + padBottom) >= windowHeight)
+
      if (match && match[2].length === 11) {
-
{
+
        return match[2];
-
originalWidth = preloader.width;
+
      } else {
-
originalHeight = preloader.height;
+
        return false;
-
preloader.height = windowHeight - padTop - padBottom;
+
      }
-
preloader.width = originalWidth / originalHeight * preloader.height;
+
    },
-
}
+
    getVimeoId: function(str) {
-
 
+
      if (str.indexOf('vimeo') > 0) {
-
that.$element.css({
+
        return str;
-
'position': 'fixed',
+
      } else {
-
'width': preloader.width + padLeft + padRight,
+
        return false;
-
'height': preloader.height + padTop + padBottom,
+
      }
-
'top' : (windowHeight / 2) - ( (preloader.height + padTop + padBottom) / 2),
+
    },
-
'left' : '50%',
+
    getInstagramId: function(str) {
-
'margin-left' : -1 * (preloader.width + padLeft + padRight) / 2
+
      if (str.indexOf('instagram') > 0) {
-
});
+
        return str;
-
that.$element.find('.lightbox-content').css({
+
      } else {
-
'width': preloader.width,
+
        return false;
-
'height': preloader.height
+
      }
-
});
+
    },
-
 
+
    navigate: function(event) {
-
// We have everything sized!
+
      event = event || window.event;
-
callbacks.fire();
+
      if (event.keyCode === 39 || event.keyCode === 37) {
-
};
+
        if (event.keyCode === 39) {
-
preloader.src = $image.attr('src');
+
          return this.navigate_right();
-
};
+
        } else if (event.keyCode === 37) {
-
 
+
          return this.navigate_left();
-
/* LIGHTBOX PLUGIN DEFINITION
+
        }
-
* ======================= */
+
      }
-
 
+
    },
-
var old = $.fn.lightbox;
+
    navigate_left: function() {
-
 
+
      var src;
-
$.fn.lightbox = function (option)
+
      if (this.gallery_items.length === 1) {
-
{
+
        return;
-
return this.each(function ()
+
      }
-
{
+
      this.showLoading();
-
var $this  = $(this);
+
      if (this.gallery_index === 0) {
-
var data    = $this.data('lightbox');
+
        this.gallery_index = this.gallery_items.length - 1;
-
var options = $.extend({}, $.fn.lightbox.defaults, $this.data(), typeof option == 'object' && option);
+
      } else {
-
if (!data) $this.data('lightbox', (data = new Lightbox(this, options)));
+
        this.gallery_index--;
-
 
+
      }
-
if (typeof option == 'string')
+
      this.options.onNavigate('left', this.gallery_index);
-
data[option]();
+
      this.$element = $(this.gallery_items.get(this.gallery_index));
-
else if (options.show)
+
      this.updateTitleAndFooter();
-
data.show();
+
      src = this.$element.attr('data-remote') || this.$element.attr('href');
-
});
+
      return this.detectRemoteType(src, this.$element.attr('data-type'));
-
};
+
    },
-
 
+
    navigate_right: function() {
-
$.fn.lightbox.defaults = {
+
      var next, src;
-
backdrop: true,
+
      if (this.gallery_items.length === 1) {
-
keyboard: true,
+
        return;
-
show: true
+
      }
-
};
+
      this.showLoading();
-
 
+
      if (this.gallery_index === this.gallery_items.length - 1) {
-
$.fn.lightbox.Constructor = Lightbox;
+
        this.gallery_index = 0;
-
 
+
      } else {
-
/* LIGHTBOX NO CONFLICT
+
        this.gallery_index++;
-
  * ================= */
+
      }
-
 
+
      this.options.onNavigate('right', this.gallery_index);
-
  $.fn.lightbox.noConflict = function () {
+
      this.$element = $(this.gallery_items.get(this.gallery_index));
-
$.fn.lightbox = old;
+
      src = this.$element.attr('data-remote') || this.$element.attr('href');
-
return this;
+
      this.updateTitleAndFooter();
-
  }
+
      this.detectRemoteType(src, this.$element.attr('data-type'));
-
 
+
      if (this.gallery_index + 1 < this.gallery_items.length) {
-
 
+
        next = $(this.gallery_items.get(this.gallery_index + 1), false);
-
/* LIGHTBOX DATA-API
+
        src = next.attr('data-remote') || next.attr('href');
-
* ================== */
+
        if (next.attr('data-type') === 'image' || this.isImage(src)) {
-
 
+
          return this.preloadImage(src, false);
-
$(document).on('click.lightbox.data-api', '[data-toggle*="lightbox"]', function (e)
+
        }
-
{
+
      }
-
var $this = $(this);
+
    },
-
var href  = $this.attr('href');
+
    detectRemoteType: function(src, type) {
-
var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))); //strip for ie7
+
      var video_id;
-
var option = $target.data('lightbox') ? 'toggle' : $.extend({ remote:!/#/.test(href) && href }, $target.data(), $this.data());
+
      if (type === 'image' || this.isImage(src)) {
 +
        this.options.type = 'image';
 +
        return this.preloadImage(src, true);
 +
      } else if (type === 'youtube' || (video_id = this.getYoutubeId(src))) {
 +
        this.options.type = 'youtube';
 +
        return this.showYoutubeVideo(video_id);
 +
      } else if (type === 'vimeo' || (video_id = this.getVimeoId(src))) {
 +
        this.options.type = 'vimeo';
 +
        return this.showVimeoVideo(video_id);
 +
      } else if (type === 'instagram' || (video_id = this.getInstagramId(src))) {
 +
        this.options.type = 'instagram';
 +
        return this.showInstagramVideo(video_id);
 +
      } else {
 +
        return this.error("Could not detect remote target type. Force the type using data-type=\"image|youtube|vimeo\"");
 +
      }
 +
    },
 +
    updateTitleAndFooter: function() {
 +
      var caption, footer, header, title;
 +
      header = this.modal_content.find('.modal-header');
 +
      footer = this.modal_content.find('.modal-footer');
 +
      title = this.$element.data('title') || "";
 +
      caption = this.$element.data('footer') || "";
 +
      if (title || this.options.always_show_close) {
 +
        header.css('display', '').find('.modal-title').html(title || "&nbsp;");
 +
      } else {
 +
        header.css('display', 'none');
 +
      }
 +
      if (caption) {
 +
        footer.css('display', '').html(caption);
 +
      } else {
 +
        footer.css('display', 'none');
 +
      }
 +
      return this;
 +
    },
 +
    showLoading: function() {
 +
      this.lightbox_body.html('<div class="modal-loading">Loading..</div>');
 +
      return this;
 +
    },
 +
    showYoutubeVideo: function(id) {
 +
      var aspectRatio, height, width;
 +
      aspectRatio = 560 / 315;
 +
      width = this.$element.data('width') || 560;
 +
      width = this.checkDimensions(width);
 +
      height = width / aspectRatio;
 +
      this.resize(width);
 +
      this.lightbox_body.html('<iframe width="' + width + '" height="' + height + '" src="//www.youtube.com/embed/' + id + '?badge=0&autoplay=1&html5=1" frameborder="0" allowfullscreen></iframe>');
 +
      if (this.modal_arrows) {
 +
        return this.modal_arrows.css('display', 'none');
 +
      }
 +
    },
 +
    showVimeoVideo: function(id) {
 +
      var aspectRatio, height, width;
 +
      aspectRatio = 500 / 281;
 +
      width = this.$element.data('width') || 560;
 +
      width = this.checkDimensions(width);
 +
      height = width / aspectRatio;
 +
      this.resize(width);
 +
      this.lightbox_body.html('<iframe width="' + width + '" height="' + height + '" src="' + id + '?autoplay=1" frameborder="0" allowfullscreen></iframe>');
 +
      if (this.modal_arrows) {
 +
        return this.modal_arrows.css('display', 'none');
 +
      }
 +
    },
 +
    showInstagramVideo: function(id) {
 +
      var height, width;
 +
      width = this.$element.data('width') || 612;
 +
      width = this.checkDimensions(width);
 +
      height = width;
 +
      this.resize(width);
 +
      this.lightbox_body.html('<iframe width="' + width + '" height="' + height + '" src="' + this.addTrailingSlash(id) + 'embed/" frameborder="0" allowfullscreen></iframe>');
 +
      if (this.modal_arrows) {
 +
        return this.modal_arrows.css('display', 'none');
 +
      }
 +
    },
 +
    error: function(message) {
 +
      this.lightbox_body.html(message);
 +
      return this;
 +
    },
 +
    preloadImage: function(src, onLoadShowImage) {
 +
      var img,
 +
        _this = this;
 +
      img = new Image();
 +
      if ((onLoadShowImage == null) || onLoadShowImage === true) {
 +
        img.onload = 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 _this.resize(img.width);
 +
        };
 +
        img.onerror = function() {
 +
          return _this.error('Failed to load image: ' + src);
 +
        };
 +
      }
 +
      img.src = src;
 +
      return img;
 +
    },
 +
    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('padding-top', function() {
 +
        return $(this).parent().height() / 2;
 +
      });
 +
      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;
 +
    }
 +
  };
-
e.preventDefault();
+
  $.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;
 +
    });
 +
  };
-
$target
+
  $.fn.ekkoLightbox.defaults = {
-
.lightbox(option)
+
    gallery_parent_selector: '*:not(.row)',
-
.one('hide', function ()  
+
    left_arrow_class: '.glyphicon .glyphicon-chevron-left',
-
{
+
    right_arrow_class: '.glyphicon .glyphicon-chevron-right',
-
$this.focus();
+
    directional_arrows: true,
-
});
+
    type: null,
-
})
+
    always_show_close: true,
 +
    onShow: function() {},
 +
    onShown: function() {},
 +
    onHide: function() {},
 +
    onHidden: function() {},
 +
    onNavigate: function() {}
 +
  };
-
}(window.jQuery);
+
}).call(this);

Latest revision as of 22:09, 10 October 2014

/* 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 = this;
   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 = '
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
'; footer = '
' + this.options.footer + '
'; $(document.body).append(''); 
   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.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.modal_shown();
     return _this.options.onShown.call(_this);
   }).on('hide.bs.modal', this.options.onHide.bind(this)).on('hidden.bs.modal', function() {
     if (_this.gallery) {
       $(document).off('keydown.ekkoLightbox');
     }
     _this.modal.remove();
     return _this.options.onHidden.call(_this);
   }).modal('show', options);
   return this.modal;
 };

 EkkoLightbox.prototype = {
   modal_shown: function() {
     var video_id,
       _this = this;
     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 = $(document.body).find('*[data-toggle="lightbox"][data-gallery="' + this.gallery + '"]');
         } else {
           this.gallery_items = this.$element.parents(this.options.gallery_parent_selector).first().find('*[data-toggle="lightbox"][data-gallery="' + this.gallery + '"]');
         }
         this.gallery_index = this.gallery_items.index(this.$element);
         $(document).on('keydown.ekkoLightbox', this.navigate.bind(this));
         if (this.options.directional_arrows && this.gallery_items.length > 1) {
this.lightbox_container.prepend('
<a href="#" class="' + this.strip_stops(this.options.left_arrow_class) + '"></a><a href="#" class="' + this.strip_stops(this.options.right_arrow_class) + '"></a>
'); 
           this.modal_arrows = this.lightbox_container.find('div.ekko-lightbox-nav-overlay').first();
           this.lightbox_container.find('a' + this.strip_spaces(this.options.left_arrow_class)).on('click', function(event) {
             event.preventDefault();
             return _this.navigate_left();
           });
           this.lightbox_container.find('a' + this.strip_spaces(this.options.right_arrow_class)).on('click', function(event) {
             event.preventDefault();
             return _this.navigate_right();
           });
         }
       }
       if (this.options.type) {
         if (this.options.type === 'image') {
           return this.preloadImage(this.options.remote, true);
         } else if (this.options.type === 'youtube' && (video_id = this.getYoutubeId(this.options.remote))) {
           return this.showYoutubeVideo(video_id);
         } else if (this.options.type === 'vimeo') {
           return this.showVimeoVideo(this.options.remote);
         } else if (this.options.type === 'instagram') {
           return this.showInstagramVideo(this.options.remote);
         } else {
           return this.error("Could not detect remote target type. Force the type using data-type=\"image|youtube|vimeo\"");
         }
       } else {
         return this.detectRemoteType(this.options.remote);
       }
     }
   },
   strip_stops: function(str) {
     return str.replace(/\./g, );
   },
   strip_spaces: function(str) {
     return str.replace(/\s/g, );
   },
   isImage: function(str) {
     return str.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg)((\?|#).*)?$)/i);
   },
   isSwf: function(str) {
     return str.match(/\.(swf)((\?|#).*)?$/i);
   },
   getYoutubeId: function(str) {
     var match;
     match = str.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);
     if (match && match[2].length === 11) {
       return match[2];
     } else {
       return false;
     }
   },
   getVimeoId: function(str) {
     if (str.indexOf('vimeo') > 0) {
       return str;
     } else {
       return false;
     }
   },
   getInstagramId: function(str) {
     if (str.indexOf('instagram') > 0) {
       return str;
     } else {
       return false;
     }
   },
   navigate: function(event) {
     event = event || window.event;
     if (event.keyCode === 39 || event.keyCode === 37) {
       if (event.keyCode === 39) {
         return this.navigate_right();
       } else if (event.keyCode === 37) {
         return this.navigate_left();
       }
     }
   },
   navigate_left: function() {
     var src;
     if (this.gallery_items.length === 1) {
       return;
     }
     this.showLoading();
     if (this.gallery_index === 0) {
       this.gallery_index = this.gallery_items.length - 1;
     } else {
       this.gallery_index--;
     }
     this.options.onNavigate('left', this.gallery_index);
     this.$element = $(this.gallery_items.get(this.gallery_index));
     this.updateTitleAndFooter();
     src = this.$element.attr('data-remote') || this.$element.attr('href');
     return this.detectRemoteType(src, this.$element.attr('data-type'));
   },
   navigate_right: function() {
     var next, src;
     if (this.gallery_items.length === 1) {
       return;
     }
     this.showLoading();
     if (this.gallery_index === this.gallery_items.length - 1) {
       this.gallery_index = 0;
     } else {
       this.gallery_index++;
     }
     this.options.onNavigate('right', this.gallery_index);
     this.$element = $(this.gallery_items.get(this.gallery_index));
     src = this.$element.attr('data-remote') || this.$element.attr('href');
     this.updateTitleAndFooter();
     this.detectRemoteType(src, this.$element.attr('data-type'));
     if (this.gallery_index + 1 < this.gallery_items.length) {
       next = $(this.gallery_items.get(this.gallery_index + 1), false);
       src = next.attr('data-remote') || next.attr('href');
       if (next.attr('data-type') === 'image' || this.isImage(src)) {
         return this.preloadImage(src, false);
       }
     }
   },
   detectRemoteType: function(src, type) {
     var video_id;
     if (type === 'image' || this.isImage(src)) {
       this.options.type = 'image';
       return this.preloadImage(src, true);
     } else if (type === 'youtube' || (video_id = this.getYoutubeId(src))) {
       this.options.type = 'youtube';
       return this.showYoutubeVideo(video_id);
     } else if (type === 'vimeo' || (video_id = this.getVimeoId(src))) {
       this.options.type = 'vimeo';
       return this.showVimeoVideo(video_id);
     } else if (type === 'instagram' || (video_id = this.getInstagramId(src))) {
       this.options.type = 'instagram';
       return this.showInstagramVideo(video_id);
     } else {
       return this.error("Could not detect remote target type. Force the type using data-type=\"image|youtube|vimeo\"");
     }
   },
   updateTitleAndFooter: function() {
     var caption, footer, header, title;
     header = this.modal_content.find('.modal-header');
     footer = this.modal_content.find('.modal-footer');
     title = this.$element.data('title') || "";
     caption = this.$element.data('footer') || "";
     if (title || this.options.always_show_close) {
       header.css('display', ).find('.modal-title').html(title || " ");
     } else {
       header.css('display', 'none');
     }
     if (caption) {
       footer.css('display', ).html(caption);
     } else {
       footer.css('display', 'none');
     }
     return this;
   },
   showLoading: function() {
this.lightbox_body.html('
Loading..
'); 
     return this;
   },
   showYoutubeVideo: function(id) {
     var aspectRatio, height, width;
     aspectRatio = 560 / 315;
     width = this.$element.data('width') || 560;
     width = this.checkDimensions(width);
     height = width / aspectRatio;
     this.resize(width);
     this.lightbox_body.html('<iframe width="' + width + '" height="' + height + '" src="//www.youtube.com/embed/' + id + '?badge=0&autoplay=1&html5=1" frameborder="0" allowfullscreen></iframe>');
     if (this.modal_arrows) {
       return this.modal_arrows.css('display', 'none');
     }
   },
   showVimeoVideo: function(id) {
     var aspectRatio, height, width;
     aspectRatio = 500 / 281;
     width = this.$element.data('width') || 560;
     width = this.checkDimensions(width);
     height = width / aspectRatio;
     this.resize(width);
     this.lightbox_body.html('<iframe width="' + width + '" height="' + height + '" src="' + id + '?autoplay=1" frameborder="0" allowfullscreen></iframe>');
     if (this.modal_arrows) {
       return this.modal_arrows.css('display', 'none');
     }
   },
   showInstagramVideo: function(id) {
     var height, width;
     width = this.$element.data('width') || 612;
     width = this.checkDimensions(width);
     height = width;
     this.resize(width);
     this.lightbox_body.html('<iframe width="' + width + '" height="' + height + '" src="' + this.addTrailingSlash(id) + 'embed/" frameborder="0" allowfullscreen></iframe>');
     if (this.modal_arrows) {
       return this.modal_arrows.css('display', 'none');
     }
   },
   error: function(message) {
     this.lightbox_body.html(message);
     return this;
   },
   preloadImage: function(src, onLoadShowImage) {
     var img,
       _this = this;
     img = new Image();
     if ((onLoadShowImage == null) || onLoadShowImage === true) {
       img.onload = 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 _this.resize(img.width);
       };
       img.onerror = function() {
         return _this.error('Failed to load image: ' + src);
       };
     }
     img.src = src;
     return img;
   },
   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('padding-top', function() {
       return $(this).parent().height() / 2;
     });
     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: '*:not(.row)',
   left_arrow_class: '.glyphicon .glyphicon-chevron-left',
   right_arrow_class: '.glyphicon .glyphicon-chevron-right',
   directional_arrows: true,
   type: null,
   always_show_close: true,
   onShow: function() {},
   onShown: function() {},
   onHide: function() {},
   onHidden: function() {},
   onNavigate: function() {}
 };

}).call(this);

Retrieved from "http://2014.igem.org/Team:Cornell/script/lightbox"