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jquery-rbox.js
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jquery-rbox.js
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(function($) {
function createInitialElements() {
var $overlay = $('<div />').addClass('rbox-overlay');
var $lightboxBlock = $('<div />').addClass('rbox-wrap').appendTo($overlay);
var $lightbox = $('<div />').addClass('rbox').appendTo($lightboxBlock);
var $content = $('<div />').addClass('rbox-content').appendTo($lightbox);
var $close = $('<a />').attr({'href': '', 'aria-label': 'Close Button'}).addClass('rbox-close').html("❌").appendTo($lightbox);
var $next = $('<a />').attr({'href': '', 'aria-label': 'Next Button'}).addClass('rbox-next').html("▶").appendTo($lightbox);
var $prev = $('<a />').attr({'href': '', 'aria-label': 'Previous Button'}).addClass('rbox-prev').html("◀").appendTo($lightbox);
$('body').append($overlay);
}
$.fn.rbox = function(options) {
if ($('.rbox-overlay').length === 0) {
createInitialElements();
}
options = options || {};
var that = this;
$('.rbox-wrap').click(function(e) {
e.stopPropagation();
});
//if series is passed in js options, we need to create the data attr
if (options.series) {
this.attr('data-rbox-series', options.series);
}
$('.rbox-close').click(function(e) {
e.preventDefault();
e.stopPropagation();
$('.rbox-overlay').unbind("click");
$(window).off("keyup", closeOnEsc);
var opts = $('.rbox').data("rboxOpts");
$('.rbox-overlay').removeClass('rbox-overlay--show');
$('.rbox-content');
opts.beforeclose(opts);
$('.rbox-wrap').removeClass('rbox-wrap--' + opts.type);
if (opts.animate) {
$('.rbox-wrap').removeClass(opts.animate);
}
$('.rbox-content').html(opts.loading);
if (opts.scrollTop) {
$(window).scrollTop(opts.scrollTop);
}
opts.onclose(opts);
//});
//$('.lightBoxContent').data("rboxOpts", false);
});
$('.rbox-next').click(function(e) {
e.preventDefault();
e.stopPropagation();
var opts = $('.rbox').data("rboxOpts");
$('.rbox-wrap').removeClass('rbox-wrap--' + opts.type);
var $thisSeries = that.filter(opts.seriesSelector);
var index = $thisSeries.index(opts.$anchor);
if (opts.scrollTop) {
$(window).scrollTop(opts.scrollTop);
}
$thisSeries.eq(index + 1).click();
});
$('.rbox-prev').click(function(e) {
e.preventDefault();
e.stopPropagation();
var opts = $('.rbox').data("rboxOpts");
$('.rbox-wrap').removeClass('rbox-wrap--' + opts.type);
var $thisSeries = that.filter(opts.seriesSelector);
var index = $thisSeries.index(opts.$anchor);
if (opts.scrollTop) {
$(window).scrollTop(opts.scrollTop);
}
$thisSeries.eq(index - 1).click();
});
//get options, giving preference, in order, to data- attributes defined on the html element, options passed when instantiatiing $(element).lightbox(options), defaults.
return this.each(function() {
namespace = options.namespace || "rbox",
optionTypes = {
'strings': [
'series',
'type',
'image',
'iframe',
'html',
'ajax',
'video',
'videoposter',
'caption',
'loading',
'inline',
'bgcustom',
'bgcustominner',
'closebtnclass',
'animate'
],
'integers': ['width', 'height'],
'floats': [],
'arrays': ['navmarkup'],
'objects': [],
'booleans': ['fitvids', 'autoplay', 'closeonoverlay', 'closebtn', 'closeonesc']
//'functions': ['callback'] FIXME: lets not.
};
var $this = $(this),
dataOptions = $.extend(options, $this.getDataOptions(optionTypes, namespace));
var opts = $.extend({
'series': '', //string, series this lightbox is a part of
'type': 'image', //type of content - image, iframe, html or ajax
'image': '', //path to image, for type image
'iframe': '', //iframe URL
'html': '', //arbitrary html
'video': '', //Path to video file
'inline': '', //selector for element on page whose innerHTML is the content
'ajax': '', //URL to fetch ajax content from
'caption': '', //optional caption
'width': 0,
'height': 0,
'videoposter': '', //poster image path for video
'autoplay': false, //if type==video, if video should autoplay
'fitvids': false, //whether to use fitvids plugin (must be included)
'namespace': namespace,
'loading': 'Loading...',
'closeonoverlay': true,
'closebtn': true,
'closeonesc': true,
'navmarkup' : ['✖', '◀', '▶'], /*close, prev, next */
'closebtnclass' : '',
'bgcustom': 'rgba(0, 0, 0, 0.8)', // color value for overlay
'bgcustominner' : '#fff', // color value for inner div
'animate': '',
'beforeopen': function(opts) { return opts; }, //called before open
'onopen': function() { $.noop(); }, //called onopen
'onclose': function() { $.noop(); }, //called onclose
'beforeclose': function() { $.noop(); }
}, dataOptions);
if (opts.series) {
opts.seriesSelector = '[data-' + opts.namespace + '-' + 'series=' + opts.series + ']';
}
$this.click(function(e) {
e.preventDefault();
if (opts.closeonesc) {
$(window).on("keyup", closeOnEsc);
}
if (opts.series) {
var $thisSeries = that.filter(opts.seriesSelector);
var total = $thisSeries.length;
var thisIndex = $thisSeries.index($this) + 1;
if (thisIndex >= total) {
$('.rbox-next').hide();
} else {
$('.rbox-next').show();
}
if (thisIndex == 1) {
$('.rbox-prev').hide();
} else {
$('.rbox-prev').show();
}
} else {
$('.rbox-next, .rbox-prev').hide();
}
opts.scrollTop = $(window).scrollTop();
$(window).scrollTop(0);
opts.$anchor = $this;
opts = opts.beforeopen(opts);
getLightBoxContent(opts, showLightbox);
});
});
};
function closeOnEsc(e) {
if (e.keyCode === 27) {
$('.rbox-close').click();
}
}
function getLightBoxContent(opts, callback) {
switch (opts.type) {
case "image":
var src = opts.image;
var $content = $("<img />").attr("src", src);
if (opts.width) {
$content.attr("width", opts.width);
}
if (opts.height) {
$content.attr("height", opts.height);
}
callback($content, opts);
break;
case "iframe":
var aspectratio = (opts.height / opts.width) * 100;
var $content = $('<iframe />').attr({"src": opts.iframe}).css({'height': aspectratio + 'vw'});
if (opts.width) {
$content.attr("width", opts.width);
}
if (opts.height) {
$content.attr("height", opts.height);
}
callback($content, opts);
break;
case "ajax":
$('.rbox-content').html(opts.loading);
$.get(opts.ajax, function(data) {
$content = $('<div />').html(data);
callback($content, opts);
});
break;
case "html":
var $content = $('<div />').html(opts.html);
callback($content, opts);
break;
case "inline":
var $content = $(opts.inline).html();
callback($content, opts);
break;
case "video":
var $content = $('<video />')
.attr("controls", "controls")
.addClass("rbox-video-element")
.attr("src", opts.video);
if (opts.autoplay) {
$content.attr("autoplay", "autoplay");
}
if (opts.videoposter) {
$content.attr("poster", opts.videoposter);
}
if (opts.width) {
$content.attr("width", opts.width);
}
if (opts.height) {
$content.attr("height", opts.height);
}
/*
opts.beforeclose = function() {
var $video = $('.rbox-video-element');
$video.get(0).pause();
$video.remove();
};
*/
callback($content, opts);
break;
}
}
function showLightbox(content, opts) {
//var $content = $(content);
//$(".rbox-wrap").attr('tabindex', '0').focus();
$('.rbox').data("rboxOpts", opts);
$('.rbox-wrap').addClass('rbox-wrap--' + opts.type);
$('.rbox-overlay').addClass('rbox-overlay--show');
if (opts.animate) {
$('.rbox-wrap').addClass(opts.animate);
}
if (opts.closeonoverlay) {
$('.rbox-overlay').bind("click", function() {
$('.rbox-close').click();
});
}
if(opts.bgcustom) {
$('.rbox-overlay').css({'background': opts.bgcustom});
}
if(opts.bgcustominner) {
$('.rbox-wrap--inline, .rbox-wrap--html, .rbox-wrap--ajax').css({'background': opts.bgcustominner});
}
if(!opts.closebtn) {
$('.rbox-close').css('display', 'none');
}
else {
$('.rbox-close').css('display', '');
}
// if(opts.closebtnmarkup) {
// $('.rbox-close').html(opts.closebtnmarkup);
// }
if(opts.navmarkup) {
$('.rbox-close').html(opts.navmarkup[0]);
$('.rbox-prev').html(opts.navmarkup[1]);
$('.rbox-next').html(opts.navmarkup[2]);
}
if(opts.closebtnclass) {
$('.rbox-close').addClass(opts.closebtnclass);
}
$('.rbox-content').empty().append(content);
if (opts.caption) {
var $caption = $('<div />').addClass('rbox-caption').html(opts.caption);
$('.rbox-content').append($caption);
}
if (opts.fitvids) {
$('.rbox-content').find('iframe').wrap('<div class="rbox-fitvids" />');
$('.rbox-fitvids').fitVids();
}
opts.onopen(opts);
$(window).resize(function() {
if ($(window).height() < $('.rbox').height())
{
$('.rbox-overlay').addClass('rbox-overlay--short');
$('.rbox-overlay').height($(document).height());
} else {
$('.rbox-overlay').removeClass('rbox-overlay--short').css({'height':''});
}
});
$(window).resize();
}
/*
Get options from data- attributes
Parameters:
optionTypes: <object>
example: {
'strings': ['option1', 'option2', 'option3'],
'integers': ['fooint', 'barint'],
'arrays': ['list1', 'list2'],
'booleans': ['bool1']
}
namespace: <string>
example: 'pandora'
namespace for data- attributes
example html:
<div id="blah" data-pandora-option1="foobar" data-pandora-fooint="23" data-pandora-list2="apples, oranges" data-pandora-bool1="true">
usage:
var dataOptions = $('#blah').getDataOptions(optionTypes, namespace);
*/
$.fn.getDataOptions = function(optionTypes, namespace) {
var $element = this;
var prefix = "data-" + namespace + "-",
options = {};
$.each(optionTypes['strings'], function(i,v) {
var attr = prefix + v;
options[v] = $element.hasAttr(attr) ? $element.attr(attr) : undefined;
});
$.each(optionTypes['integers'], function(i,v) {
var attr = prefix + v;
options[v] = $element.hasAttr(attr) ? parseInt($element.attr(attr)) : undefined;
});
$.each(optionTypes['floats'], function(i,v) {
var attr = prefix + v;
options[v] = $element.hasAttr(attr) ? parseFloat($element.attr(attr)) : undefined;
});
$.each(optionTypes['arrays'], function(i,v) {
var attr = prefix + v;
options[v] = $element.hasAttr(attr) ? $.map($element.attr(attr).split(","), $.trim) : undefined;
});
$.each(optionTypes['booleans'], function(i,v) {
var attr = prefix + v;
if ($element.hasAttr(attr)) {
if ($element.attr(attr) === 'true') {
options[v] = true;
} else if ($element.attr(attr) === 'false') {
options[v] = false;
} else {
options[v] = undefined;
}
} else {
options[v] = undefined;
}
options[v] = $element.hasAttr(attr) ? $element.attr(attr) === 'true' : undefined;
});
$.each(optionTypes['objects'], function(i,v) {
var attr = prefix + v;
options[v] = $element.hasAttr(attr) ? JSON.parse($element.attr(attr)) : undefined;
});
return options;
}
/*
FIXME: possibly improve - http://stackoverflow.com/questions/1318076/jquery-hasattr-checking-to-see-if-there-is-an-attribute-on-an-element#1318091
*/
$.fn.hasAttr = function(attr) {
return this.attr(attr) != undefined;
};
})(jQuery);