/**
* jQuery Lightbox
* @author Warren Krewenki
*
* This package is distributed under the BSD license.
* For full license information, see LICENSE.TXT
*
* Based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
*
*
**/
(function($) {
$.fn.lightBox = function(settings) {
// Settings to configure the jQuery lightBox plugin how you like
settings = jQuery.extend({
// Configuration related to overlay
overlayBgColor: '#000', // (string) Background color to overlay; inform a hexadecimal value like: #RRGGBB. Where RR, GG, and BB are the hexadecimal values for the red, green, and blue values of the color.
overlayOpacity: 0.8, // (integer) Opacity value to overlay; inform: 0.X. Where X are number from 0 to 9
// Configuration related to navigation
fixedNavigation: false, // (boolean) Boolean that informs if the navigation (next and prev button) will be fixed or not in the interface.
// Configuration related to images
imageLoading: '/images/lightbox-ico-loading.gif', // (string) Path and the name of the loading icon
imageBtnPrev: '/images/lightbox-btn-prev.gif', // (string) Path and the name of the prev button image
imageBtnNext: '/images/lightbox-btn-next.gif', // (string) Path and the name of the next button image
imageBtnClose: '/images/lightbox-btn-close.gif', // (string) Path and the name of the close btn
imageBlank: '/images/lightbox-blank.gif', // (string) Path and the name of a blank image (one pixel)
// Configuration related to container image box
containerBorderSize: 10, // (integer) If you adjust the padding in the CSS for the container, #lightbox-container-image-box, you will need to update this value
containerResizeSpeed: 400, // (integer) Specify the resize duration of container image. These number are miliseconds. 400 is default.
// Configuration related to texts in caption. For example: Image 2 of 8. You can alter either "Image" and "of" texts.
txtImage: 'Image', // (string) Specify text "Image"
txtOf: 'of', // (string) Specify text "of"
// Configuration related to keyboard navigation
keyToClose: 'c', // (string) (c = close) Letter to close the jQuery lightBox interface. Beyond this letter, the letter X and the SCAPE key is used to.
keyToPrev: 'p', // (string) (p = previous) Letter to show the previous image
keyToNext: 'n', // (string) (n = next) Letter to show the next image.
// Don´t alter these variables in any way
imageArray: [],
activeImage: 0
},settings);
// Caching the jQuery object with all elements matched
var jQueryMatchedObj = this; // This, in this context, refer to jQuery object
/**
* Initializing the plugin calling the start function
*
* @return boolean false
*/
function _initialize() {
_start(this,jQueryMatchedObj); // This, in this context, refer to object (link) which the user have clicked
return false; // Avoid the browser following the link
}
/**
* Start the jQuery lightBox plugin
*
* @param object objClicked The object (link) whick the user have clicked
* @param object jQueryMatchedObj The jQuery object with all elements matched
*/
function _start(objClicked,jQueryMatchedObj) {
// Hime some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
$('embed, object, select').css({ 'visibility' : 'hidden' });
// Call the function to create the markup structure; style some elements; assign events in some elements.
_set_interface();
// Unset total images in imageArray
settings.imageArray.length = 0;
// Unset image active information
settings.activeImage = 0;
// We have an image set? Or just an image? Let´s see it.
if ( jQueryMatchedObj.length == 1 ) {
settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));
} else {
// Add an Array (as many as we have), with href and title atributes, inside the Array that storage the images references
for ( var i = 0; i < jQueryMatchedObj.length; i++ ) {
if(jQueryMatchedObj[i].getAttribute('rel')==objClicked.getAttribute('rel')) {
settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'),jQueryMatchedObj[i].getAttribute('title')));
}
}
}
while ( settings.imageArray[settings.activeImage][0] != objClicked.getAttribute('href') ) {
settings.activeImage++;
}
// Call the function that prepares image exibition
_set_image_to_view();
}
/**
* Create the jQuery lightBox plugin interface
*
* The HTML markup will be like that:
*
*/
function _set_interface() {
// Apply the HTML markup into body tag
$('body').append('');
// Get page sizes
var arrPageSizes = ___getPageSize();
// Style overlay and show it
$('#jquery-overlay').css({
backgroundColor: settings.overlayBgColor,
opacity: settings.overlayOpacity,
width: arrPageSizes[0],
height: arrPageSizes[1]
}).fadeIn();
// Get page scroll
var arrPageScroll = ___getPageScroll();
// Calculate top and left offset for the jquery-lightbox div object and show it
$('#jquery-lightbox').css({
top: arrPageScroll[1] + (arrPageSizes[3] / 10),
left: arrPageScroll[0]
}).show();
// Assigning click events in elements to close overlay
$('#jquery-overlay,#jquery-lightbox').click(function() {
_finish();
});
// Assign the _finish function to lightbox-loading-link and lightbox-secNav-btnClose objects
$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() {
_finish();
return false;
});
// If window was resized, calculate the new overlay dimensions
$(window).resize(function() {
// Get page sizes
var arrPageSizes = ___getPageSize();
// Style overlay and show it
$('#jquery-overlay').css({
width: arrPageSizes[0],
height: arrPageSizes[1]
});
// Get page scroll
var arrPageScroll = ___getPageScroll();
// Calculate top and left offset for the jquery-lightbox div object and show it
$('#jquery-lightbox').css({
top: arrPageScroll[1] + (arrPageSizes[3] / 10),
left: arrPageScroll[0]
});
});
}
/**
* Prepares image exibition; doing a image´s preloader to calculate it´s size
*
*/
function _set_image_to_view() { // show the loading
// Show the loading
$('#lightbox-loading').show();
if ( settings.fixedNavigation ) {
$('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
} else {
// Hide some elements
$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
}
// Image preload process
var objImagePreloader = new Image();
objImagePreloader.onload = function() {
$('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);
// Perfomance an effect in the image container resizing it
_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
// clear onLoad, IE behaves irratically with animated gifs otherwise
objImagePreloader.onload=function(){};
};
objImagePreloader.src = settings.imageArray[settings.activeImage][0];
};
/**
* Perfomance an effect in the image container resizing it
*
* @param integer intImageWidth The image´s width that will be showed
* @param integer intImageHeight The image´s height that will be showed
*/
function _resize_container_image_box(intImageWidth,intImageHeight) {
// Get current width and height
var intCurrentWidth = $('#lightbox-container-image-box').width();
var intCurrentHeight = $('#lightbox-container-image-box').height();
// Get the width and height of the selected image plus the padding
var intWidth = (intImageWidth + (settings.containerBorderSize * 2)); // Plus the image´s width and the left and right padding value
var intHeight = (intImageHeight + (settings.containerBorderSize * 2)); // Plus the image´s height and the left and right padding value
// Diferences
var intDiffW = intCurrentWidth - intWidth;
var intDiffH = intCurrentHeight - intHeight;
// Perfomance the effect
$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight },settings.containerResizeSpeed,function() { _show_image(); });
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) });
};
/**
* Show the prepared image
*
*/
function _show_image() {
$('#lightbox-loading').hide();
$('#lightbox-image').fadeIn(function() {
_show_image_data();
_set_navigation();
});
_preload_neighbor_images();
};
/**
* Show the image information
*
*/
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 we have a image set, display 'Image X of X'
if ( settings.imageArray.length > 1 ) {
$('#lightbox-image-details-currentNumber').html(settings.txtImage + ' ' + ( settings.activeImage + 1 ) + ' ' + settings.txtOf + ' ' + settings.imageArray.length).show();
}
}
/**
* Display the button navigations
*
*/
function _set_navigation() {
$('#lightbox-nav').show();
// Instead to define this configuration in CSS file, we define here. And it´s need to IE. Just.
$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat' });
// Show the prev button, if not the first image in set
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 {
// Show the images button for Next buttons
$('#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;
});
}
}
// Show the next button, if not the last image in set
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 {
// Show the images button for Next buttons
$('#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
_enable_keyboard_navigation();
}
/**
* Enable a support to keyboard navigation
*
*/
function _enable_keyboard_navigation() {
$(document).keydown(function(objEvent) {
_keyboard_action(objEvent);
});
}
/**
* Disable the support to keyboard navigation
*
*/
function _disable_keyboard_navigation() {
$(document).unbind();
}
/**
* Perform the keyboard actions
*
*/
function _keyboard_action(objEvent) {
// To ie
if ( objEvent == null ) {
keycode = event.keyCode;
escapeKey = 27;
// To Mozilla
} else {
keycode = objEvent.keyCode;
escapeKey = objEvent.DOM_VK_ESCAPE;
}
// Get the key in lower case form
key = String.fromCharCode(keycode).toLowerCase();
// Verify the keys to close the ligthBox
if ( ( key == settings.keyToClose ) || ( key == 'x' ) || ( keycode == escapeKey ) ) {
_finish();
}
// Verify the key to show the previous image
if ( ( key == settings.keyToPrev ) || ( keycode == 37 ) ) {
// If we´re not showing the first image, call the previous
if ( settings.activeImage != 0 ) {
settings.activeImage = settings.activeImage - 1;
_set_image_to_view();
_disable_keyboard_navigation();
}
}
// Verify the key to show the next image
if ( ( key == settings.keyToNext ) || ( keycode == 39 ) ) {
// If we´re not showing the last image, call the next
if ( settings.activeImage != ( settings.imageArray.length - 1 ) ) {
settings.activeImage = settings.activeImage + 1;
_set_image_to_view();
_disable_keyboard_navigation();
}
}
}
/**
* Preload prev and next images being showed
*
*/
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];
}
}
/**
* Remove jQuery lightBox plugin HTML markup
*
*/
function _finish() {
$('#jquery-lightbox').remove();
$('#jquery-overlay').fadeOut(function() { $('#jquery-overlay').remove(); });
// Show some elements to avoid conflict with overlay in IE. These elements appear above the overlay.
$('embed, object, select').css({ 'visibility' : 'visible' });
}
/**
/ THIRD FUNCTION
* getPageSize() by quirksmode.com
*
* @return Array Return an array with page width, height and window width, height
*/
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){ // all but Explorer Mac
xScroll = document.body.scrollWidth;
yScroll = document.body.scrollHeight;
} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
xScroll = document.body.offsetWidth;
yScroll = document.body.offsetHeight;
}
var windowWidth, windowHeight;
if (self.innerHeight) { // all except Explorer
if(document.documentElement.clientWidth){
windowWidth = document.documentElement.clientWidth;
} else {
windowWidth = self.innerWidth;
}
windowHeight = self.innerHeight;
} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
windowWidth = document.documentElement.clientWidth;
windowHeight = document.documentElement.clientHeight;
} else if (document.body) { // other Explorers
windowWidth = document.body.clientWidth;
windowHeight = document.body.clientHeight;
}
// for small pages with total height less then height of the viewport
if(yScroll < windowHeight){
pageHeight = windowHeight;
} else {
pageHeight = yScroll;
}
// for small pages with total width less then width of the viewport
if(xScroll < windowWidth){
pageWidth = xScroll;
} else {
pageWidth = windowWidth;
}
arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
return arrayPageSize;
};
/**
/ THIRD FUNCTION
* getPageScroll() by quirksmode.com
*
* @return Array Return an array with x,y page scroll values.
*/
function ___getPageScroll() {
var xScroll, yScroll;
if (self.pageYOffset) {
yScroll = self.pageYOffset;
xScroll = self.pageXOffset;
} else if (document.documentElement && document.documentElement.scrollTop) { // Explorer 6 Strict
yScroll = document.documentElement.scrollTop;
xScroll = document.documentElement.scrollLeft;
} else if (document.body) {// all other Explorers
yScroll = document.body.scrollTop;
xScroll = document.body.scrollLeft;
}
arrayPageScroll = new Array(xScroll,yScroll);
return arrayPageScroll;
};
/**
* Stop the code execution from a escified time in milisecond
*
*/
function ___pause(ms) {
var date = new Date();
curDate = null;
do { var curDate = new Date(); }
while ( curDate - date < ms);
};
// Return the jQuery object for chaining. The unbind method is used to avoid click conflict when the plugin is called more than once
return this.unbind('click').click(_initialize);
};
$.fn.lightbox = function(options) {
// build main options
var opts = $.extend({}, $.fn.lightbox.defaults, options);
$(window).resize(resizeOverlayToFitWindow);
return $(this).live("click",function(){
// initialize the lightbox
initialize();
showLightbox(this);
return false;
});
/*
# Initialize the lightbox by creating our html and reading some image data
# This method is called by the constructor after any click events trigger it
# You will never call it by itself, to my knowledge.
*/
function initialize() {
$('#overlay, #lightbox').remove();
opts.inprogress = false;
// if jsonData, build the imageArray from data provided in JSON format
if (opts.jsonData && opts.jsonData.length > 0) {
var parser = opts.jsonDataParser ? opts.jsonDataParser : $.fn.lightbox.parseJsonData;
opts.imageArray = [];
opts.imageArray = parser(opts.jsonData);
}
var outerImage = '';
var imageData = '
';
if (opts.displayHelp) {
imageData += '
' + opts.strings.help + '';
}
imageData += '
' + imageData + outerImage + '
';
$("body").append(string);
$("#imageDataContainer").addClass('ontop');
} else {
string = '' + outerImage + imageData + '
';
$("body").append(string);
}
$("#overlay, #lightbox").click(function(){ end(); }).hide();
$("#loadingLink, #bottomNavClose").click(function(){ end(); return false;});
$('#outerImageContainer').width(opts.widthCurrent).height(opts.heightCurrent);
$('#imageDataContainer').width(opts.widthCurrent);
if (!opts.imageClickClose) {
$("#lightboxImage").click(function(){ return false; });
$("#hoverNav").click(function(){ return false; });
}
return true;
};
/*
# Get the document and window width/heigh
#
# Examples
#
# getPageSize()
# # => [1024,768,1024,768]
#
# Returns a numerically indexed array of document width/height and window width/height
*/
function getPageSize() {
var jqueryPageSize = new Array($(document).width(),$(document).height(), $(window).width(), $(window).height());
return jqueryPageSize;
};
function getPageScroll() {
var xScroll, yScroll;
if (self.pageYOffset) {
yScroll = self.pageYOffset;
xScroll = self.pageXOffset;
} else if (document.documentElement && document.documentElement.scrollTop){ // Explorer 6 Strict
yScroll = document.documentElement.scrollTop;
xScroll = document.documentElement.scrollLeft;
} else if (document.body) {// all other Explorers
yScroll = document.body.scrollTop;
xScroll = document.body.scrollLeft;
}
var arrayPageScroll = new Array(xScroll,yScroll);
return arrayPageScroll;
};
/*
# Pause execution for a length of time
#
# ms - Number of milliseconds to pause execution
#
# Examples
#
# pause(500)
# # => true
# This runs an ugly loop until the execution time has passed
# It is a horrible, horrible method and I wish to dispense with it, maybe via timeouts or something.
# Really, this thing is nasty. I think it had a really bad childhood or something. I mean, it is
# incredibly cruel to your browser, and to my self esteem. I didn't want to write it. I didn't want to include
# it in my library, what with it's sexy overlay and whatnot, but here it is 4 years later and this thing lives on.
# Please don't upset it, i've been told it will eat your dreams.
*/
function pause(ms) {
var date = new Date();
var curDate = null;
do{curDate = new Date();}
while(curDate - date < ms);
};
/*
# Deploy the sexy overlay and display the lightbox
#
# imageObject - the jQuery object passed via the click event in the constructor
#
# Examples
#
# showLightbox($('#CheesusCrust'))
#
# Returns a boolean true, because it's got nothing else to return. It should give visual feedback when run
*/
function showLightbox(imageObject) {
/**
* select, embed and object tags render over the lightbox in some browsers
* Right now, the best way to fix it is to hide them, but that can trigger reloading of some flash content
* I don't have a better fix for this right now, but I want ot leave this comment here so you and I both
* know that i'm aware of it, and I would love to fix it, if you have any suggestions.
**/
$("select, embed, object").hide();
// Resize and display the sexy, sexy overlay.
resizeOverlayToFitWindow();
$("#overlay").hide().css({ opacity : opts.overlayOpacity }).fadeIn();
imageNum = 0;
// if data is not provided by jsonData parameter
if (!opts.jsonData) {
opts.imageArray = [];
// if image is NOT part of a set..
if ((!imageObject.rel || (imageObject.rel == '')) && !opts.allSet) {
// add single image to Lightbox.imageArray
opts.imageArray.push(new Array(imageObject.href, opts.displayTitle ? imageObject.title : ''));
} else {
// if image is part of a set..
$("a").each(function() {
if(this.href && (this.rel == imageObject.rel)) {
opts.imageArray.push(new Array(this.href, opts.displayTitle ? this.title : ''));
}
});
}
}
if (opts.imageArray.length > 1) {
for (i = 0; i < opts.imageArray.length; i++) {
for (j = opts.imageArray.length - 1; j > i; j--) {
if (opts.imageArray[i][0] == opts.imageArray[j][0]) {
opts.imageArray.splice(j, 1);
}
}
}
while (opts.imageArray[imageNum][0] != imageObject.href) {
imageNum++;
}
}
// calculate top and left offset for the lightbox
var arrayPageScroll = getPageScroll();
var lightboxTop = arrayPageScroll[1] + ($(window).height() / 10);
var lightboxLeft = arrayPageScroll[0];
$('#lightbox').css({top: lightboxTop+'px', left: lightboxLeft+'px'}).show();
if (!opts.slideNavBar) {
$('#imageData').hide();
}
changeImage(imageNum);
};
function changeImage(imageNum) {
if (opts.inprogress == false) {
opts.inprogress = true;
// update global var
opts.activeImage = imageNum;
// hide elements during transition
$('#loading').show();
$('#lightboxImage, #hoverNav, #prevLink, #nextLink').hide();
// delay preloading image until navbar will slide up
if (opts.slideNavBar) {
$('#imageDataContainer').hide();
$('#imageData').hide();
}
doChangeImage();
}
};
function doChangeImage() {
imgPreloader = new Image();
// once image is preloaded, resize image container
imgPreloader.onload = function() {
var newWidth = imgPreloader.width;
var newHeight = imgPreloader.height;
if (opts.scaleImages) {
newWidth = parseInt(opts.xScale * newWidth);
newHeight = parseInt(opts.yScale * newHeight);
}
if (opts.fitToScreen) {
var arrayPageSize = getPageSize();
var ratio;
var initialPageWidth = arrayPageSize[2] - 2 * opts.borderSize;
var initialPageHeight = arrayPageSize[3] - 200;
var dI = initialPageWidth/initialPageHeight;
var dP = imgPreloader.width/imgPreloader.height;
if ((imgPreloader.height > initialPageHeight) || (imgPreloader.width > initialPageWidth)) {
if (dI > dP) {
newWidth = parseInt((initialPageHeight/imgPreloader.height) * imgPreloader.width);
newHeight = initialPageHeight;
} else {
newHeight = parseInt((initialPageWidth/imgPreloader.width) * imgPreloader.height);
newWidth = initialPageWidth;
}
}
}
$('#lightboxImage').
attr('src', opts.imageArray[opts.activeImage][0]).
width(newWidth).
height(newHeight);
resizeImageContainer(newWidth, newHeight);
};
imgPreloader.src = opts.imageArray[opts.activeImage][0];
};
function end() {
disableKeyboardNav();
$('#lightbox').hide();
$('#overlay').fadeOut();
$('select, object, embed').show();
};
function preloadNeighborImages() {
if (opts.loopImages && opts.imageArray.length > 1) {
preloadNextImage = new Image();
preloadNextImage.src = opts.imageArray[(opts.activeImage == (opts.imageArray.length - 1)) ? 0 : opts.activeImage + 1][0];
preloadPrevImage = new Image();
preloadPrevImage.src = opts.imageArray[(opts.activeImage == 0) ? (opts.imageArray.length - 1) : opts.activeImage - 1][0];
} else {
if ((opts.imageArray.length - 1) > opts.activeImage) {
preloadNextImage = new Image();
preloadNextImage.src = opts.imageArray[opts.activeImage + 1][0];
}
if (opts.activeImage > 0) {
preloadPrevImage = new Image();
preloadPrevImage.src = opts.imageArray[opts.activeImage - 1][0];
}
}
};
function resizeImageContainer(imgWidth, imgHeight) {
// get current width and height
opts.widthCurrent = $("#outerImageContainer").outerWidth();
opts.heightCurrent = $("#outerImageContainer").outerHeight();
// get new width and height
var widthNew = Math.max(350, imgWidth + (opts.borderSize * 2));
var heightNew = (imgHeight + (opts.borderSize * 2));
// calculate size difference between new and old image, and resize if necessary
wDiff = opts.widthCurrent - widthNew;
hDiff = opts.heightCurrent - heightNew;
$('#imageDataContainer').animate({width: widthNew},opts.resizeSpeed,'linear');
$('#outerImageContainer').animate({width: widthNew},opts.resizeSpeed,'linear', function() {
$('#outerImageContainer').animate({height: heightNew},opts.resizeSpeed,'linear', function() {
showImage();
});
});
// if new and old image are same size and no scaling transition is necessary,
// do a quick pause to prevent image flicker.
if((hDiff == 0) && (wDiff == 0)) {
if (jQuery.browser.msie) {
pause(250);
} else {
pause(100);
}
}
$('#prevLink').height(imgHeight);
$('#nextLink').height(imgHeight);
};
function showImage() {
$('#loading').hide();
$('#lightboxImage').fadeIn("fast");
updateDetails();
preloadNeighborImages();
opts.inprogress = false;
};
function updateDetails() {
$('#numberDisplay').html('');
if (opts.imageArray[opts.activeImage][1]) {
$('#caption').html(opts.imageArray[opts.activeImage][1]).show();
}
// if image is part of set display 'Image x of x'
if (opts.imageArray.length > 1) {
var nav_html;
nav_html = opts.strings.image + (opts.activeImage + 1) + opts.strings.of + opts.imageArray.length;
if (opts.displayDownloadLink) {
nav_html += "" + opts.strings.download + "";
}
if (!opts.disableNavbarLinks) {
// display previous / next text links
if ((opts.activeImage) > 0 || opts.loopImages) {
nav_html = '' + opts.strings.prevLinkText + "" + nav_html;
}
if (((opts.activeImage + 1) < opts.imageArray.length) || opts.loopImages) {
nav_html += '' + opts.strings.nextLinkText + "";
}
}
$('#numberDisplay').html(nav_html).show();
}
if (opts.slideNavBar) {
$("#imageData").slideDown(opts.navBarSlideSpeed);
} else {
$("#imageData").show();
}
resizeOverlayToFitWindow();
updateNav();
};
/*
# Resize the sexy overlay to fit the constraints of your current viewing environment
#
# This should now happen whenever a window is resized, so you should always see a full overlay
*/
function resizeOverlayToFitWindow(){
$('#overlay').css({width: $(document).width(), height: $(document).height()});
// ^^^^^^^ <- sexy!
};
function updateNav() {
if (opts.imageArray.length > 1) {
$('#hoverNav').show();
// if loopImages is true, always show next and prev image buttons
if(opts.loopImages) {
$('#prevLink,#prevLinkText').show().click(function() {
changeImage((opts.activeImage == 0) ? (opts.imageArray.length - 1) : opts.activeImage - 1);
return false;
});
$('#nextLink,#nextLinkText').show().click(function() {
changeImage((opts.activeImage == (opts.imageArray.length - 1)) ? 0 : opts.activeImage + 1);
return false;
});
} else {
// if not first image in set, display prev image button
if(opts.activeImage != 0) {
$('#prevLink,#prevLinkText').show().click(function() {
changeImage(opts.activeImage - 1);
return false;
});
}
// if not last image in set, display next image button
if(opts.activeImage != (opts.imageArray.length - 1)) {
$('#nextLink,#nextLinkText').show().click(function() {
changeImage(opts.activeImage +1);
return false;
});
}
}
enableKeyboardNav();
}
};
function keyboardAction(e) {
var o = e.data.opts;
var keycode = e.keyCode;
var escapeKey = 27;
var key = String.fromCharCode(keycode).toLowerCase();
// close lightbox
if ((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)) {
end();
// display previous image
} else if ((key == 'p') || (keycode == 37)) {
if(o.loopImages) {
disableKeyboardNav();
changeImage((o.activeImage == 0) ? (o.imageArray.length - 1) : o.activeImage - 1);
} else if (o.activeImage != 0) {
disableKeyboardNav();
changeImage(o.activeImage - 1);
}
// display next image
} else if ((key == 'n') || (keycode == 39)) {
if (opts.loopImages) {
disableKeyboardNav();
changeImage((o.activeImage == (o.imageArray.length - 1)) ? 0 : o.activeImage + 1);
} else if (o.activeImage != (o.imageArray.length - 1)) {
disableKeyboardNav();
changeImage(o.activeImage + 1);
}
}
};
function enableKeyboardNav() {
$(document).bind('keydown', {opts: opts}, keyboardAction);
};
function disableKeyboardNav() {
$(document).unbind('keydown');
};
};
$.fn.lightbox.parseJsonData = function(data) {
var imageArray = [];
$.each(data, function() {
imageArray.push(new Array(this.url, this.title));
});
return imageArray;
};
$.fn.lightbox.defaults = {
allSet: false,
fileLoadingImage: '/images/lightbox-ico-loading.gif',
fileBottomNavCloseImage: '/images/lightbox-btn-close.gif',
overlayOpacity: 0.6,
borderSize: 10,
imageArray: new Array,
activeImage: null,
inprogress: false,
resizeSpeed: 350,
widthCurrent: 250,
heightCurrent: 250,
scaleImages: false,
xScale: 1,
yScale: 1,
displayTitle: true,
navbarOnTop: false,
displayDownloadLink: false,
slideNavBar: false,
navBarSlideSpeed: 350,
displayHelp: false,
strings: {
help: ' \u2190 / P - previous image\u00a0\u00a0\u00a0\u00a0\u2192 / N - next image\u00a0\u00a0\u00a0\u00a0ESC / X - çàêðûòü',
prevLinkTitle: 'ëèñòàåì íàçàä',
nextLinkTitle: 'ëèñòàåì äàëüøå',
prevLinkText: '« Íàçàä',
nextLinkText: 'Äàëüøå »',
closeTitle: 'Çàêðûòü',
image: 'Ôîòîãðàôèÿ ',
of: ' èç ',
download: 'Ñêà÷àòü'
},
fitToScreen: true,
disableNavbarLinks: false,
loopImages: false,
imageClickClose: true,
jsonData: null,
jsonDataParser: null
};
})(jQuery);
