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Mini Shell
Mini Shell
/*!
* Thumbnail helper for fancyBox
* version: 1.0.2
* @requires fancyBox v2.0 or later
*
* Usage:
* $(".fancybox").fancybox({
* thumbs: {
* width : 50,
* height : 50
* }
* });
*
* Options:
* width - thumbnail width
* height - thumbnail height
* source - function to obtain the URL of the thumbnail image
* position - 'top' or 'bottom'
*
*/
(function ($) {
//Shortcut for fancyBox object
var F = $.fancybox;
//Add helper object
F.helpers.thumbs = {
wrap: null,
list: null,
width: 0,
//Default function to obtain the URL of the thumbnail image
source: function (el) {
var img = $(el).find('img');
return img.length ? img.attr('src') : el.href;
},
init: function (opts) {
var that = this,
list,
thumbWidth = opts.width || 50,
thumbHeight = opts.height || 50,
thumbSource = opts.source || this.source;
//Build list structure
list = '';
for (var n = 0; n < F.group.length; n++) {
list += '<li><a style="width:' + thumbWidth + 'px;height:' + thumbHeight + 'px;" href="javascript:jQuery.fancybox.jumpto(' + n + ');"></a></li>';
}
this.wrap = $('<div id="fancybox-thumbs"></div>').addClass(opts.position || 'bottom').appendTo('body');
this.list = $('<ul>' + list + '</ul>').appendTo(this.wrap);
//Load each thumbnail
$.each(F.group, function (i) {
$("<img />").load(function () {
var width = this.width,
height = this.height,
widthRatio, heightRatio, parent;
if (!that.list || !width || !height) {
return;
}
//Calculate thumbnail width/height and center it
widthRatio = width / thumbWidth;
heightRatio = height / thumbHeight;
parent = that.list.children().eq(i).find('a');
if (widthRatio >= 1 && heightRatio >= 1) {
if (widthRatio > heightRatio) {
width = Math.floor(width / heightRatio);
height = thumbHeight;
} else {
width = thumbWidth;
height = Math.floor(height / widthRatio);
}
}
$(this).css({
width: width,
height: height,
top: Math.floor(thumbHeight / 2 - height / 2),
left: Math.floor(thumbWidth / 2 - width / 2)
});
parent.width(thumbWidth).height(thumbHeight);
$(this).hide().appendTo(parent).fadeIn(300);
}).attr('src', thumbSource(this));
});
//Set initial width
this.width = this.list.children().eq(0).outerWidth();
this.list.width(this.width * (F.group.length + 1)).css('left', Math.floor($(window).width() * 0.5 - (F.current.index * this.width + this.width * 0.5)));
},
//Center list
update: function (opts) {
if (this.list) {
this.list.stop(true).animate({
'left': Math.floor($(window).width() * 0.5 - (F.current.index * this.width + this.width * 0.5))
}, 150);
}
},
beforeLoad: function (opts) {
//Remove self if gallery do not have at least two items
if (F.group.length < 2) {
F.coming.helpers.thumbs = false;
return;
}
//Increase bottom margin to give space for thumbs
F.coming.margin[ opts.position === 'top' ? 0 : 2 ] = opts.height + 30;
},
afterShow: function (opts) {
//Check if exists and create or update list
if (this.list) {
this.update(opts);
} else {
this.init(opts);
}
//Set active element
this.list.children().removeClass('active').eq(F.current.index).addClass('active');
},
onUpdate: function () {
this.update();
},
beforeClose: function () {
if (this.wrap) {
this.wrap.remove();
}
this.wrap = null;
this.list = null;
this.width = 0;
}
}
}(jQuery));
Zerion Mini Shell 1.0