/* - jq.galleriffic.js - */
/*
* jQuery Galleriffic plugin
*
* Copyright (c) 2008 Trent Foley (http://trentacular.com)
* Licensed under the MIT License:
* http://www.opensource.org/licenses/mit-license.php
*
* Much thanks to primary contributer Ponticlaro (http://www.ponticlaro.com)
*/
;(function($) {
// Hide elements with the noscript class
$('.noscript').hide();
var ver = 'galleriffic-1.1';
var galleryOffset = 0;
var galleries = [];
var allImages = [];
$.galleriffic = {
goto: function(hash) {
hash = getHashFromString(hash);
var gallery = getGalleryForHash(hash);
if (!gallery) return;
var index = hash-gallery.offset;
gallery.goto(index);
}
};
function getGalleryForHash(hash) {
for (i = 0; i < galleries.length; i++) {
var gallery = galleries[i];
if (hash < (gallery.data.length+gallery.offset))
return gallery;
}
return 0;
}
function getHashFromString(hash) {
if (typeof hash == 'number')
return hash;
if (!hash) return -1;
hash = hash.replace(/^.*#/, '');
if (isNaN(hash)) return -1;
return (+hash);
}
function registerGallery(gallery) {
galleries.push(gallery);
// update the global offset value
galleryOffset += gallery.data.length;
}
var defaults = {
delay: 3000,
numThumbs: 20,
preloadAhead: 40, // Set to -1 to preload all images
enableTopPager: false,
enableBottomPager: true,
maxPagesToShow: 7,
imageContainerSel: '',
captionContainerSel: '',
controlsContainerSel: '',
loadingContainerSel: '',
renderSSControls: true,
renderNavControls: true,
playLinkText: 'Play',
pauseLinkText: 'Pause',
prevLinkText: 'Previous',
nextLinkText: 'Next',
nextPageLinkText: 'Next ›',
prevPageLinkText: '‹ Prev',
enableHistory: false,
autoStart: false,
syncTransitions: false,
defaultTransitionDuration: 1000,
onSlideChange: undefined, // accepts a delegate like such: function(prevIndex, nextIndex) { ... }
onTransitionOut: undefined, // accepts a delegate like such: function(slide, caption, isSync, callback) { ... }
onTransitionIn: undefined, // accepts a delegate like such: function(slide, caption, isSync) { ... }
onPageTransitionOut: undefined, // accepts a delegate like such: function(callback) { ... }
onPageTransitionIn: undefined, // accepts a delegate like such: function() { ... }
// lightbox
// 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: 'lightbox-ico-loading.gif', // (string) Path and the name of the loading icon
imageBtnPrev: 'lightbox-btn-prev.gif', // (string) Path and the name of the prev button image
imageBtnNext: 'lightbox-btn-next.gif', // (string) Path and the name of the next button image
imageBtnClose: 'lightbox-btn-close.gif', // (string) Path and the name of the close btn
imageBlank: '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
};
// lightbox specific functions
function buildLightBox(image,gallery,current) {
gallery.pause();
var current_image_src = gallery.data[current].slideUrl.replace('/image_preview', '/image_large');
// Hide 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
defaults.imageArray.length = 0;
// Unset image active information
defaults.activeImage = 0;
if ( gallery.data.length == 1 ) {
defaults.imageArray.push(new Array(current_image_src,gallery.data[current].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 < gallery.data.length; i++ ) {
defaults.imageArray.push(new Array(gallery.data[i].slideUrl.replace('/image_preview', '/image_large'),gallery.data[i].title));
}
}
while ( defaults.imageArray[defaults.activeImage][0] != current_image_src ) {
defaults.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: defaults.overlayBgColor,
opacity: defaults.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 ( defaults.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',defaults.imageArray[defaults.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 = defaults.imageArray[defaults.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 + (defaults.containerBorderSize * 2)); // Plus the image´s width and the left and right padding value
var intHeight = (intImageHeight + (defaults.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 },defaults.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 + (defaults.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 ( defaults.imageArray[defaults.activeImage][1] ) {
$('#lightbox-image-details-caption').html(defaults.imageArray[defaults.activeImage][1]).show();
}
// If we have a image set, display 'Image X of X'
if ( defaults.imageArray.length > 1 ) {
$('#lightbox-image-details-currentNumber').html(defaults.txtImage + ' ' + ( defaults.activeImage + 1 ) + ' ' + defaults.txtOf + ' ' + defaults.imageArray.length).show();
}
}
// handles the reloaction of the URL hash variable when the previous/next buttons are clicked within the lightbox UI.
function changeThumbnail(activeImg) {
location.hash = '#'+activeImg;
// IE we need to explicity call goto
/*if ($.browser.msie) {
this.goto(activeImg);
}*/
}
/**
* 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(' + defaults.imageBlank + ') no-repeat' });
// Show the prev button, if not the first image in set
if ( defaults.activeImage != 0 ) {
if ( defaults.fixedNavigation ) {
$('#lightbox-nav-btnPrev').css({ 'background' : 'url(' + defaults.imageBtnPrev + ') left 15% no-repeat' })
.unbind()
.bind('click',function(e) {
defaults.activeImage = defaults.activeImage - 1;
changeThumbnail();
_set_image_to_view();
return false;
});
} else {
// Show the images button for Next buttons
$('#lightbox-nav-btnPrev').unbind().hover(function() {
$(this).css({ 'background' : 'url(' + defaults.imageBtnPrev + ') left 15% no-repeat' });
},function() {
$(this).css({ 'background' : 'transparent url(' + defaults.imageBlank + ') no-repeat' });
}).show().bind('click',function(e) {
defaults.activeImage = defaults.activeImage - 1;
changeThumbnail(defaults.activeImage);
_set_image_to_view();
return false;
});
}
}
// Show the next button, if not the last image in set
if ( defaults.activeImage != ( defaults.imageArray.length -1 ) ) {
if ( defaults.fixedNavigation ) {
$('#lightbox-nav-btnNext').css({ 'background' : 'url(' + defaults.imageBtnNext + ') right 15% no-repeat' })
.unbind()
.bind('click',function(e) {
defaults.activeImage = defaults.activeImage + 1;
changeThumbnail(defaults.activeImage);
_set_image_to_view();
return false;
});
} else {
// Show the images button for Next buttons
$('#lightbox-nav-btnNext').unbind().hover(function() {
$(this).css({ 'background' : 'url(' + defaults.imageBtnNext + ') right 15% no-repeat' });
},function() {
$(this).css({ 'background' : 'transparent url(' + defaults.imageBlank + ') no-repeat' });
}).show().bind('click',function(e) {
defaults.activeImage = defaults.activeImage + 1;
changeThumbnail(defaults.activeImage);
_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 == defaults.keyToClose ) || ( key == 'x' ) || ( keycode == escapeKey ) ) {
_finish();
}
// Verify the key to show the previous image
if ( ( key == defaults.keyToPrev ) || ( keycode == 37 ) ) {
// If we´re not showing the first image, call the previous
if ( defaults.activeImage != 0 ) {
defaults.activeImage = defaults.activeImage - 1;
changeThumbnail(defaults.activeImage);
_set_image_to_view();
_disable_keyboard_navigation();
}
}
// Verify the key to show the next image
if ( ( key == defaults.keyToNext ) || ( keycode == 39 ) ) {
// If we´re not showing the last image, call the next
if ( defaults.activeImage != ( defaults.imageArray.length - 1 ) ) {
defaults.activeImage = defaults.activeImage + 1;
changeThumbnail(defaults.activeImage);
_set_image_to_view();
_disable_keyboard_navigation();
}
}
}
/**
* Preload prev and next images being showed
*
*/
function _preload_neighbor_images() {
if ( (defaults.imageArray.length -1) > defaults.activeImage ) {
objNext = new Image();
objNext.src = defaults.imageArray[defaults.activeImage + 1][0];
}
if ( defaults.activeImage > 0 ) {
objPrev = new Image();
objPrev.src = defaults.imageArray[defaults.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);
};
// end ligthbox functions
$.fn.galleriffic = function(thumbsContainerSel, settings) {
// Extend Gallery Object
$.extend(this, {
ver: function() {
return ver;
},
getIndex: function(hash) {
return hash-this.offset;
},
clickHandler: function(e, link) {
this.pause();
if (!this.enableHistory) {
var hash = getHashFromString(link.href);
if (hash >= 0) {
var index = this.getIndex(hash);
if (index >= 0)
this.goto(index);
}
e.preventDefault();
}
},
initializeThumbs: function() {
this.data = [];
var gallery = this;
this.$thumbsContainer.find('ul.thumbs > li').each(function(i) {
var $li = $(this);
var $aThumb = $li.find('a.thumb');
var hash = gallery.offset+i;
gallery.data.push({
title:$aThumb.attr('title'),
slideUrl:$aThumb.attr('href'),
caption:$li.find('.caption').remove(),
hash:hash
});
// Setup attributes and click event handler
$aThumb.attr('rel', 'history')
.attr('href', '#'+hash)
.click(function(e) {
gallery.clickHandler(e, this);
});
});
return this;
},
isPreloadComplete: false,
preloadInit: function() {
if (this.preloadAhead == 0) return this;
this.preloadStartIndex = this.currentIndex;
var nextIndex = this.getNextIndex(this.preloadStartIndex);
return this.preloadRecursive(this.preloadStartIndex, nextIndex);
},
preloadRelocate: function(index) {
// By changing this startIndex, the current preload script will restart
this.preloadStartIndex = index;
return this;
},
preloadRecursive: function(startIndex, currentIndex) {
// Check if startIndex has been relocated
if (startIndex != this.preloadStartIndex) {
var nextIndex = this.getNextIndex(this.preloadStartIndex);
return this.preloadRecursive(this.preloadStartIndex, nextIndex);
}
var gallery = this;
// Now check for preloadAhead count
var preloadCount = currentIndex - startIndex;
if (preloadCount < 0)
preloadCount = this.data.length-1-startIndex+currentIndex;
if (this.preloadAhead >= 0 && preloadCount > this.preloadAhead) {
// Do this in order to keep checking for relocated start index
setTimeout(function() { gallery.preloadRecursive(startIndex, currentIndex); }, 500);
return this;
}
var imageData = this.data[currentIndex];
if (!imageData)
return this;
// If already loaded, continue
if (imageData.image)
return this.preloadNext(startIndex, currentIndex);
// Preload the image
var image = new Image();
image.onload = function() {
imageData.image = this;
gallery.preloadNext(startIndex, currentIndex);
};
image.alt = imageData.title;
image.src = imageData.slideUrl;
return this;
},
preloadNext: function(startIndex, currentIndex) {
var nextIndex = this.getNextIndex(currentIndex);
if (nextIndex == startIndex) {
this.isPreloadComplete = true;
} else {
// Use setTimeout to free up thread
var gallery = this;
setTimeout(function() { gallery.preloadRecursive(startIndex, nextIndex); }, 100);
}
return this;
},
getNextIndex: function(index) {
var nextIndex = index+1;
if (nextIndex >= this.data.length)
nextIndex = 0;
return nextIndex;
},
getPrevIndex: function(index) {
var prevIndex = index-1;
if (prevIndex < 0)
prevIndex = this.data.length-1;
return prevIndex;
},
pause: function() {
if (this.interval)
this.toggleSlideshow();
return this;
},
play: function() {
if (!this.interval)
this.toggleSlideshow();
return this;
},
toggleSlideshow: function() {
if (this.interval) {
clearInterval(this.interval);
this.interval = 0;
if (this.$controlsContainer) {
this.$controlsContainer
.find('div.ss-controls a').removeClass().addClass('play')
.attr('title', this.playLinkText)
.attr('href', '#play')
.html(this.playLinkText);
}
} else {
var gallery = this;
this.interval = setInterval(function() {
gallery.ssAdvance();
}, this.delay);
if (this.$controlsContainer) {
this.$controlsContainer
.find('div.ss-controls a').removeClass().addClass('pause')
.attr('title', this.pauseLinkText)
.attr('href', '#pause')
.html(this.pauseLinkText);
}
}
return this;
},
ssAdvance: function() {
var nextIndex = this.getNextIndex(this.currentIndex);
var nextHash = this.data[nextIndex].hash;
// Seems to be working on both FF and Safari
if (this.enableHistory)
$.historyLoad(String(nextHash)); // At the moment, historyLoad only accepts string arguments
else
this.goto(nextIndex);
return this;
},
next: function() {
this.pause();
goto(this.getNextIndex(this.currentIndex));
},
previous: function() {
this.pause();
goto(this.getPrevIndex(this.currentIndex));
},
goto: function(index) {
if (index < 0) index = 0;
else if (index >= this.data.length) index = this.data.length-1;
if (this.onSlideChange)
this.onSlideChange(this.currentIndex, index);
this.currentIndex = index;
this.preloadRelocate(index);
return this.refresh();
},
getDefaultTransitionDuration: function(isSync) {
if (isSync)
return this.defaultTransitionDuration;
return this.defaultTransitionDuration / 2;
},
refresh: function() {
var imageData = this.data[this.currentIndex];
if (!imageData)
return this;
// Update Controls
if (this.$controlsContainer) {
this.$controlsContainer
.find('div.nav-controls a.prev').attr('href', '#'+this.data[this.getPrevIndex(this.currentIndex)].hash).end()
.find('div.nav-controls a.next').attr('href', '#'+this.data[this.getNextIndex(this.currentIndex)].hash);
}
// update lightbox
$('#lightbox-nav-btnPrev').attr('href', '#'+this.data[this.getPrevIndex(this.currentIndex)].hash).end();
$('#lightbox-nav-btnNext').attr('href', '#'+this.data[this.getNextIndex(this.currentIndex)].hash);
var previousSlide = this.$imageContainer.find('span.current').addClass('previous').removeClass('current');
var previousCaption = 0;
if (this.$captionContainer) {
previousCaption = this.$captionContainer.find('span.current').addClass('previous').removeClass('current');
}
// Perform transitions simultaneously if syncTransitions is true and the next image is already preloaded
var isSync = this.syncTransitions && imageData.image;
// Flag we are transitioning
var isTransitioning = true;
var gallery = this;
var transitionOutCallback = function() {
// Flag that the transition has completed
isTransitioning = false;
// Remove the old slide
previousSlide.remove();
// Remove old caption
if (previousCaption)
previousCaption.remove();
if (!isSync)
{
if (imageData.image && imageData.hash == gallery.data[gallery.currentIndex].hash) {
gallery.buildImage(imageData, isSync);
} else {
// Show loading container
if (gallery.$loadingContainer) {
gallery.$loadingContainer.show();
}
}
}
};
if (previousSlide.length == 0) {
// For the first slide, the previous slide will be empty, so we will call the callback immediately
transitionOutCallback();
} else {
if (this.onTransitionOut) {
this.onTransitionOut(previousSlide, previousCaption, isSync, transitionOutCallback);
} else {
previousSlide.fadeTo(this.getDefaultTransitionDuration(isSync), 0.0, transitionOutCallback);
if (previousCaption)
previousCaption.fadeTo(this.getDefaultTransitionDuration(isSync), 0.0);
}
}
// Go ahead and begin transition in of next image
if (isSync)
this.buildImage(imageData, isSync);
if (!imageData.image) {
var image = new Image();
// Wire up mainImage onload event
image.onload = function() {
imageData.image = this;
// Only build image if the out transition has completed and we are still on the same image hash
if (!isTransitioning && imageData.hash == gallery.data[gallery.currentIndex].hash) {
gallery.buildImage(imageData, isSync);
}
};
// set alt and src
image.alt = imageData.title;
image.src = imageData.slideUrl;
}
// This causes the preloader (if still running) to relocate out from the currentIndex
this.relocatePreload = true;
return this.syncThumbs();
},
buildImage: function(imageData, isSync) {
var gallery = this;
var nextIndex = this.getNextIndex(this.currentIndex);
// Construct new hidden span for the image
//.append('')
//.append(' ')
var newSlide = this.$imageContainer
.empty()
.append('');
//.find('span.current').css('opacity', '0');
var currentImageIndex = this.currentIndex;
newSlide.find('a')
.click(function() { buildLightBox(imageData.image,gallery,currentImageIndex); })
.append(imageData.image);
var newCaption = 0;
if (this.$captionContainer) {
// Construct new hidden caption for the image
newCaption = this.$captionContainer
.append('')
.find('span.current').css('opacity', '0')
.append(imageData.caption);
}
// Hide the loading conatiner
if (this.$loadingContainer) {
this.$loadingContainer.hide();
}
// Transition in the new image
if (this.onTransitionIn) {
this.onTransitionIn(newSlide, newCaption, isSync);
} else {
newSlide.fadeTo(this.getDefaultTransitionDuration(isSync), 1.0);
if (newCaption)
newCaption.fadeTo(this.getDefaultTransitionDuration(isSync), 1.0);
}
return this;
},
syncThumbs: function() {
if (this.$thumbsContainer) {
var page = Math.floor(this.currentIndex / this.numThumbs);
if (page != this.currentPage) {
this.currentPage = page;
this.updateThumbs();
}
// Remove existing selected class and add selected class to new thumb
var $thumbs = this.$thumbsContainer.find('ul.thumbs').children();
$thumbs.filter('.selected').removeClass('selected');
$thumbs.eq(this.currentIndex).addClass('selected');
}
return this;
},
updateThumbs: function() {
var gallery = this;
var transitionOutCallback = function() {
gallery.rebuildThumbs();
// Transition In the thumbsContainer
if (gallery.onPageTransitionIn)
gallery.onPageTransitionIn();
else
gallery.$thumbsContainer.show();
};
// Transition Out the thumbsContainer
if (this.onPageTransitionOut) {
this.onPageTransitionOut(transitionOutCallback);
} else {
this.$thumbsContainer.hide();
transitionOutCallback();
}
return this;
},
rebuildThumbs: function() {
// Initialize currentPage to first page
if (this.currentPage < 0)
this.currentPage = 0;
var needsPagination = this.data.length > this.numThumbs;
// Rebuild top pager
var $topPager = this.$thumbsContainer.find('div.top');
if ($topPager.length == 0)
$topPager = this.$thumbsContainer.prepend('').find('div.top');
if (needsPagination && this.enableTopPager) {
$topPager.empty();
this.buildPager($topPager);
}
// Rebuild bottom pager
if (needsPagination && this.enableBottomPager) {
var $bottomPager = this.$thumbsContainer.find('div.bottom');
if ($bottomPager.length == 0)
$bottomPager = this.$thumbsContainer.append('').find('div.bottom');
else
$bottomPager.empty();
this.buildPager($bottomPager);
}
var startIndex = this.currentPage*this.numThumbs;
var stopIndex = startIndex+this.numThumbs-1;
if (stopIndex >= this.data.length)
stopIndex = this.data.length-1;
// Show/Hide thumbs
var $thumbsUl = this.$thumbsContainer.find('ul.thumbs');
$thumbsUl.find('li').each(function(i) {
var $li = $(this);
if (i >= startIndex && i <= stopIndex) {
$li.show();
} else {
$li.hide();
}
});
// Remove the noscript class from the thumbs container ul
$thumbsUl.removeClass('noscript');
return this;
},
buildPager: function(pager) {
var gallery = this;
var startIndex = this.currentPage*this.numThumbs;
var pagesRemaining = this.maxPagesToShow - 1;
var pageNum = this.currentPage - Math.floor((this.maxPagesToShow - 1) / 2) + 1;
if (pageNum > 0) {
var remainingPageCount = this.numPages - pageNum;
if (remainingPageCount < pagesRemaining) {
pageNum = pageNum - (pagesRemaining - remainingPageCount);
}
}
if (pageNum < 0) {
pageNum = 0;
}
// Prev Page Link
if (this.currentPage > 0) {
var prevPage = startIndex - this.numThumbs;
pager.append(''+this.prevPageLinkText+'');
}
// Create First Page link if needed
if (pageNum > 0) {
this.buildPageLink(pager, 0);
if (pageNum > 1)
pager.append('…');
pagesRemaining--;
}
// Page Index Links
while (pagesRemaining > 0) {
this.buildPageLink(pager, pageNum);
pagesRemaining--;
pageNum++;
}
// Create Last Page link if needed
if (pageNum < this.numPages) {
var lastPageNum = this.numPages - 1;
if (pageNum < lastPageNum)
pager.append('…');
this.buildPageLink(pager, lastPageNum);
}
// Next Page Link
var nextPage = startIndex+this.numThumbs;
if (nextPage < this.data.length) {
pager.append(''+this.nextPageLinkText+'');
}
pager.find('a').click(function(e) {
gallery.clickHandler(e, this);
});
return this;
},
buildPageLink: function(pager, pageNum) {
var pageLabel = pageNum + 1;
if (pageNum == this.currentPage)
pager.append(''+pageLabel+'');
else if (pageNum < this.numPages) {
var imageIndex = pageNum*this.numThumbs;
pager.append(''+pageLabel+'');
}
}
});
// Now initialize the gallery
$.extend(this, defaults, settings);
if (this.interval)
clearInterval(this.interval);
this.interval = 0;
// Verify the history plugin is available
if (this.enableHistory && !$.historyInit)
this.enableHistory = false;
// Select containers
if (this.imageContainerSel) this.$imageContainer = $(this.imageContainerSel);
if (this.captionContainerSel) this.$captionContainer = $(this.captionContainerSel);
if (this.loadingContainerSel) this.$loadingContainer = $(this.loadingContainerSel);
// Setup the jQuery object holding each container that will be transitioned
this.$transitionContainers = $([]);
if (this.$imageContainer)
this.$transitionContainers = this.$transitionContainers.add(this.$imageContainer);
if (this.$captionContainer)
this.$transitionContainers = this.$transitionContainers.add(this.$captionContainer);
// Set the hash index offset for this gallery
this.offset = galleryOffset;
this.$thumbsContainer = $(thumbsContainerSel);
this.initializeThumbs();
// Add this gallery to the global galleries array
registerGallery(this);
this.numPages = Math.ceil(this.data.length/this.numThumbs);
if (this.maxPagesToShow < 3)
this.maxPagesToShow = 3;
this.currentPage = -1;
this.currentIndex = 0;
var gallery = this;
// Hide the loadingContainer
if (this.$loadingContainer)
this.$loadingContainer.hide();
// Setup controls
if (this.controlsContainerSel) {
this.$controlsContainer = $(this.controlsContainerSel).empty();
if (this.renderSSControls) {
if (this.autoStart) {
this.$controlsContainer
.append('');
} else {
this.$controlsContainer
.append('');
}
this.$controlsContainer.find('div.ss-controls a')
.click(function(e) {
gallery.toggleSlideshow();
e.preventDefault();
return false;
});
}
if (this.renderNavControls) {
this.$controlsContainer
.append('')
.find('div.nav-controls a')
.click(function(e) {
gallery.clickHandler(e, this);
});
}
}
// Setup gallery to show the first image
if (!this.enableHistory || !location.hash) {
this.goto(0);
}
if (this.autoStart) {
setTimeout(function() { gallery.play(); }, this.delay);
}
// Kickoff Image Preloader after 1 second
setTimeout(function() { gallery.preloadInit(); }, 1000);
return this;
};
})(jQuery);
