"
Team:UT Dallas/jquery.lightbox-0.5.pack.js
From 2013.igem.org
(function ($) {
$.fn.lightBox = function (settings) {
settings = jQuery.extend({
overlayBgColor: '#000',
overlayOpacity: 0.8,
fixedNavigation: false,
imageLoading: 'https://static.igem.org/mediawiki/2013/9/90/Lightbox-ico-loading.gif',
imageBtnPrev: 'https://static.igem.org/mediawiki/2013/3/36/Lightbox-btn-prev.gif',
imageBtnNext: 'https://static.igem.org/mediawiki/2013/f/f6/Lightbox-btn-next.gif',
imageBtnClose: 'https://static.igem.org/mediawiki/2013/f/fd/Lightbox-btn-close.gif',
imageBlank: 'https://static.igem.org/mediawiki/2013/4/47/Lightbox-blank.gif',
heightScaling: 0.75, widthScaling: 0.75,
containerBorderSize: 10,
containerResizeSpeed: 400,
txtImage: 'Image',
txtOf: 'of',
keyToClose: 'c',
keyToPrev: 'p',
keyToNext: 'n',
imageArray: [],
activeImage: 0
}, settings);
var jQueryMatchedObj = this;
function _initialize() {
_start(this, jQueryMatchedObj);
return false
}
function _start(objClicked, jQueryMatchedObj) {
$('embed, object, select').css({
'visibility': 'hidden'
});
_set_interface();
settings.imageArray.length = 0;
settings.activeImage = 0;
if (jQueryMatchedObj.length == 1) {
settings.imageArray.push(new Array(objClicked.getAttribute('href'), objClicked.getAttribute('title')))
} else {
for (var i = 0; i < jQueryMatchedObj.length; i++) {
settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'), jQueryMatchedObj[i].getAttribute('title')))
}
}
while (settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href')) {
settings.activeImage++
}
_set_image_to_view()
}
function _set_interface() {
$('body').append('<img id="lightbox-image">
<a href="#" id="lightbox-loading-link"><img src="' + settings.imageLoading + '"></a>
var arrPageSizes = ___getPageSize();
$('#jquery-overlay').css({
backgroundColor: settings.overlayBgColor,
opacity: settings.overlayOpacity,
width: arrPageSizes[0],
height: arrPageSizes[1]
}).fadeIn();
var arrPageScroll = ___getPageScroll();
$('#jquery-lightbox').css({
top: arrPageScroll[1] + (arrPageSizes[3] / 10),
left: arrPageScroll[0]
}).show();
$('#jquery-overlay,#jquery-lightbox').click(function () {
_finish()
});
$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function () {
_finish();
return false
});
$(window).resize(function () {
var arrPageSizes = ___getPageSize();
$('#jquery-overlay').css({
width: arrPageSizes[0],
height: arrPageSizes[1]
});
var arrPageScroll = ___getPageScroll();
$('#jquery-lightbox').css({
top: arrPageScroll[1] + (arrPageSizes[3] / 10),
left: arrPageScroll[0]
})
})
}
function _set_image_to_view() {
$('#lightbox-loading').show();
if (settings.fixedNavigation) {
$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide()
} else {
$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide()
}
var objImagePreloader = new Image();
objImagePreloader.onload = function () {
$('#lightbox-image').attr('src', settings.imageArray[settings.activeImage][0]);
_resize_container_image_box(objImagePreloader.width*settings.heightScaling, objImagePreloader.height*settings.widthScaling);
objImagePreloader.onload = function () {}
};
objImagePreloader.src = settings.imageArray[settings.activeImage][0]
};
function _resize_container_image_box(intImageWidth, intImageHeight) {
var intCurrentWidth = $('#lightbox-container-image-box').width();
var intCurrentHeight = $('#lightbox-container-image-box').height();
var intWidth = (intImageWidth + (settings.containerBorderSize * 2));
var intHeight = (intImageHeight + (settings.containerBorderSize * 2));
var intDiffW = intCurrentWidth - intWidth;
var intDiffH = intCurrentHeight - intHeight;
$('#lightbox-container-image-box').animate({
width: intWidth,
height: intHeight
}, settings.containerResizeSpeed, function () {
_show_image(intImageHeight,intImageWidth);
});
if ((intDiffW == 0) && (intDiffH == 0)) {
if ($.browser.msie) {
___pause(250)
} else {
___pause(100)
}
}
$('#lightbox-container-image-data-box').css({
width: intImageWidth
});
$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
height: intImageHeight + (settings.containerBorderSize * 2)
})
};
function _show_image(h,w) {
$('#lightbox-loading').hide();
$('#lightbox-image').width(w);
$('#lightbox-image').height(h);
$('#lightbox-image').fadeIn(function () {
_show_image_data();
_set_navigation();
});
_preload_neighbor_images()
};
function _show_image_data() {
$('#lightbox-container-image-data-box').slideDown('fast');
$('#lightbox-image-details-caption').hide();
if (settings.imageArray[settings.activeImage][1]) {
$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show()
}
if (settings.imageArray.length > 1) {
$('#lightbox-image-details-currentNumber').html(settings.txtImage + ' ' + (settings.activeImage + 1) + ' ' + settings.txtOf + ' ' + settings.imageArray.length).show()
}
}
function _set_navigation() {
$('#lightbox-nav').show();
$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
});
if (settings.activeImage != 0) {
if (settings.fixedNavigation) {
$('#lightbox-nav-btnPrev').css({
'background': 'url(' + settings.imageBtnPrev + ') left 15% no-repeat'
}).unbind().bind('click', function () {
settings.activeImage = settings.activeImage - 1;
_set_image_to_view();
return false
})
} else {
$('#lightbox-nav-btnPrev').unbind().hover(function () {
$(this).css({
'background': 'url(' + settings.imageBtnPrev + ') left 15% no-repeat'
})
}, function () {
$(this).css({
'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
})
}).show().bind('click', function () {
settings.activeImage = settings.activeImage - 1;
_set_image_to_view();
return false
})
}
}
if (settings.activeImage != (settings.imageArray.length - 1)) {
if (settings.fixedNavigation) {
$('#lightbox-nav-btnNext').css({
'background': 'url(' + settings.imageBtnNext + ') right 15% no-repeat'
}).unbind().bind('click', function () {
settings.activeImage = settings.activeImage + 1;
_set_image_to_view();
return false
})
} else {
$('#lightbox-nav-btnNext').unbind().hover(function () {
$(this).css({
'background': 'url(' + settings.imageBtnNext + ') right 15% no-repeat'
})
}, function () {
$(this).css({
'background': 'transparent url(' + settings.imageBlank + ') no-repeat'
})
}).show().bind('click', function () {
settings.activeImage = settings.activeImage + 1;
_set_image_to_view();
return false
})
}
}
_enable_keyboard_navigation()
}
function _enable_keyboard_navigation() {
$(document).keydown(function (objEvent) {
_keyboard_action(objEvent)
})
}
function _disable_keyboard_navigation() {
$(document).unbind()
}
function _keyboard_action(objEvent) {
if (objEvent == null) {
keycode = event.keyCode;
escapeKey = 27
} else {
keycode = objEvent.keyCode;
escapeKey = objEvent.DOM_VK_ESCAPE
}
key = String.fromCharCode(keycode).toLowerCase();
if ((key == settings.keyToClose) || (key == 'x') || (keycode == escapeKey)) {
_finish()
}
if ((key == settings.keyToPrev) || (keycode == 37)) {
if (settings.activeImage != 0) {
settings.activeImage = settings.activeImage - 1;
_set_image_to_view();
_disable_keyboard_navigation()
}
}
if ((key == settings.keyToNext) || (keycode == 39)) {
if (settings.activeImage != (settings.imageArray.length - 1)) {
settings.activeImage = settings.activeImage + 1;
_set_image_to_view();
_disable_keyboard_navigation()
}
}
}
function _preload_neighbor_images() {
if ((settings.imageArray.length - 1) > settings.activeImage) {
objNext = new Image();
objNext.src = settings.imageArray[settings.activeImage + 1][0]
}
if (settings.activeImage > 0) {
objPrev = new Image();
objPrev.src = settings.imageArray[settings.activeImage - 1][0]
}
}
function _finish() {
$('#jquery-lightbox').remove();
$('#jquery-overlay').fadeOut(function () {
$('#jquery-overlay').remove()
});
$('embed, object, select').css({
'visibility': 'visible'
})
}
function ___getPageSize() {
var xScroll, yScroll;
if (window.innerHeight && window.scrollMaxY) {
xScroll = window.innerWidth + window.scrollMaxX;
yScroll = window.innerHeight + window.scrollMaxY
} else if (document.body.scrollHeight > document.body.offsetHeight) {
xScroll = document.body.scrollWidth;
yScroll = document.body.scrollHeight
} else {
xScroll = document.body.offsetWidth;
yScroll = document.body.offsetHeight
}
var windowWidth, windowHeight;
if (self.innerHeight) {
if (document.documentElement.clientWidth) {
windowWidth = document.documentElement.clientWidth
} else {
windowWidth = self.innerWidth
}
windowHeight = self.innerHeight
} else if (document.documentElement && document.documentElement.clientHeight) {
windowWidth = document.documentElement.clientWidth;
windowHeight = document.documentElement.clientHeight
} else if (document.body) {
windowWidth = document.body.clientWidth;
windowHeight = document.body.clientHeight
}
if (yScroll < windowHeight) {
pageHeight = windowHeight
} else {
pageHeight = yScroll
}
if (xScroll < windowWidth) {
pageWidth = xScroll
} else {
pageWidth = windowWidth
}
arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight);
return arrayPageSize
};
function ___getPageScroll() {
var xScroll, yScroll;
if (self.pageYOffset) {
yScroll = self.pageYOffset;
xScroll = self.pageXOffset
} else if (document.documentElement && document.documentElement.scrollTop) {
yScroll = document.documentElement.scrollTop;
xScroll = document.documentElement.scrollLeft
} else if (document.body) {
yScroll = document.body.scrollTop;
xScroll = document.body.scrollLeft
}
arrayPageScroll = new Array(xScroll, yScroll);
return arrayPageScroll
};
function ___pause(ms) {
var date = new Date();
curDate = null;
do {
var curDate = new Date()
}
while (curDate - date < ms)
};
return this.unbind('click').click(_initialize)
}
})(jQuery);
