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var $removeEvents = function (object, type)
{
if (!object.events) return object;
if (type){
if (!object.events[type]) return object;
for (var fn in object.events[type]) object.removeEvent(type, fn);
object.events[type] = null;
} else {
for (var evType in object.events) object.removeEvents(evType);
object.events = null;
}
return object;
};
// declaring the class
var gallery = new Class({
initialize: function(element, options) {
this.setOptions({
showArrows: true,
showCarousel: true,
showInfopane: true,
thumbHeight: 75,
thumbWidth: 100,
thumbSpacing: 10,
embedLinks: true,
fadeDuration: 500,
timed: false,
delay: 9000,
preloader: true,
manualData: [],
populateData: true,
elementSelector: "div.imageElement",
titleSelector: "h3",
subtitleSelector: "p",
linkSelector: "a.open",
imageSelector: "img.full",
thumbnailSelector: "img.thumbnail",
slideInfoZoneOpacity: 0.7,
carouselMinimizedOpacity: 0.7,
carouselMinimizedHeight: 20,
carouselMaximizedOpacity: 0.7,
destroyAfterPopulate: true,
baseClass: 'jdGallery',
withArrowsClass: 'withArrows',
textShowCarousel: 'Gallerie',
useThumbGenerator: false,
thumbGenerator: 'resizer.php'
}, options);
this.fireEvent('onInit');
this.currentIter = 0;
this.lastIter = 0;
this.maxIter = 0;
this.galleryElement = element;
this.galleryData = this.options.manualData;
this.galleryInit = 1;
this.galleryElements = Array();
this.thumbnailElements = Array();
this.galleryElement.addClass(this.options.baseClass);
if (this.options.populateData)
this.populateData();
element.style.display="block";
if (this.options.embedLinks)
{
this.currentLink = new Element('a').addClass('open').setProperties({
href: '#',
title: ''
}).injectInside(element);
if ((!this.options.showArrows) && (!this.options.showCarousel))
this.galleryElement = element = this.currentLink;
else
this.currentLink.setStyle('display', 'none');
}
this.constructElements();
if ((data.length>1)&&(this.options.showArrows))
{
var leftArrow = new Element('a').addClass('left').addEvent(
'click',
this.prevItem.bind(this)
).injectInside(element);
var rightArrow = new Element('a').addClass('right').addEvent(
'click',
this.nextItem.bind(this)
).injectInside(element);
this.galleryElement.addClass(this.options.withArrowsClass);
}
this.loadingElement = new Element('div').addClass('loadingElement').injectInside(element);
if (this.options.showInfopane) this.initInfoSlideshow();
if (this.options.showCarousel) this.initCarousel();
this.doSlideShow(1);
},
populateData: function() {
currentArrayPlace = this.galleryData.length;
options = this.options;
data = this.galleryData;
this.galleryElement.getElements(options.elementSelector).each(function(el) {
elementDict = {
image: el.getElement(options.imageSelector).getProperty('src'),
number: currentArrayPlace
};
if ((options.showInfopane) | (options.showCarousel))
Object.extend(elementDict, {
title: el.getElement(options.titleSelector).innerHTML,
description: el.getElement(options.subtitleSelector).innerHTML
});
if (options.embedLinks)
Object.extend(elementDict, {
link: el.getElement(options.linkSelector).href||false,
linkTitle: el.getElement(options.linkSelector).title||false
});
if ((!options.useThumbGenerator) && (options.showCarousel))
Object.extend(elementDict, {
thumbnail: el.getElement(options.thumbnailSelector).src
});
else if (options.useThumbGenerator)
Object.extend(elementDict, {
thumbnail: 'resizer.php?imgfile=' + elementDict.image + '&max_width=' + options.thumbWidth + '&max_height=' + options.thumbHeight
});
data[currentArrayPlace] = elementDict;
currentArrayPlace++;
if (this.options.destroyAfterPopulate)
el.remove();
});
this.galleryData = data;
this.fireEvent('onPopulated');
},
constructElements: function() {
el = this.galleryElement;
this.maxIter = this.galleryData.length;
var currentImg;
for(i=0;i<this.galleryData.length;i++)
{
var currentImg = new Fx.Style(
new Element('div').addClass('slideElement').setStyles({
'position':'absolute',
'left':'0px',
'right':'0px',
'margin':'0px',
'padding':'0px',
'backgroundImage':"url('" + this.galleryData[i].image + "')",
'backgroundPosition':"center center",
'opacity':'0'
}).injectInside(el),
'opacity',
{duration: this.options.fadeDuration}
);
this.galleryElements[parseInt(i)] = currentImg;
}
},
destroySlideShow: function(element) {
var myClassName = element.className;
var newElement = new Element('div').addClass('myClassName');
element.parentNode.replaceChild(newElement, element);
},
startSlideShow: function() {
this.fireEvent('onStart');
this.loadingElement.style.display = "none";
this.lastIter = this.maxIter - 1;
this.currentIter = 0;
this.galleryInit = 0;
this.galleryElements[parseInt(this.currentIter)].set(1);
if (this.options.showInfopane)
this.showInfoSlideShow.delay(1000, this);
this.prepareTimer();
if (this.options.embedLinks)
this.makeLink(this.currentIter);
},
nextItem: function() {
this.fireEvent('onNextCalled');
this.nextIter = this.currentIter+1;
if (this.nextIter >= this.maxIter)
this.nextIter = 0;
this.galleryInit = 0;
this.goTo(this.nextIter);
},
prevItem: function() {
this.fireEvent('onPreviousCalled');
this.nextIter = this.currentIter-1;
if (this.nextIter <= -1)
this.nextIter = this.maxIter - 1;
this.galleryInit = 0;
this.goTo(this.nextIter);
},
goTo: function(num) {
this.clearTimer();
if (this.options.embedLinks)
this.clearLink();
if (this.options.showInfopane)
{
this.slideInfoZone.clearChain();
this.hideInfoSlideShow().chain(this.changeItem.pass(num, this));
} else
this.changeItem.delay(500, this, num);
if (this.options.embedLinks)
this.makeLink(num);
this.prepareTimer();
/*if (this.options.showCarousel)
this.clearThumbnailsHighlights();*/
},
changeItem: function(num) {
this.fireEvent('onStartChanging');
this.galleryInit = 0;
if (this.currentIter != num)
{
for(i=0;i<this.maxIter;i++)
{
if ((i != this.currentIter)) this.galleryElements[i].set(0);
}
if (num > this.currentIter) this.galleryElements[num].custom(1);
else
{
this.galleryElements[num].set(1);
this.galleryElements[this.currentIter].custom(0);
}
this.currentIter = num;
}
this.doSlideShow.bind(this)();
this.fireEvent('onChanged');
},
clearTimer: function() {
if (this.options.timed)
$clear(this.timer);
},
prepareTimer: function() {
if (this.options.timed)
this.timer = this.nextItem.delay(this.options.delay, this);
},
doSlideShow: function(position) {
if (this.galleryInit == 1)
{
imgPreloader = new Image();
imgPreloader.onload=function(){
this.startSlideShow.delay(10, this);
}.bind(this);
imgPreloader.src = this.galleryData[0].image;
} else {
if (this.options.showInfopane)
{
if (this.options.showInfopane)
{
this.showInfoSlideShow.delay((500 + this.options.fadeDuration), this);
} else
if (this.options.showCarousel)
this.centerCarouselOn(position);
}
}
},
initCarousel: function () {
var carouselContainerElement = new Element('div').addClass('carouselContainer').injectInside(this.galleryElement);
this.carouselContainer = new Fx.Styles(carouselContainerElement, {transition: Fx.Transitions.expoOut});
this.carouselContainer.normalHeight = carouselContainerElement.offsetHeight;
this.carouselContainer.set({'opacity': this.options.carouselMinimizedOpacity, 'top': (this.options.carouselMinimizedHeight - this.carouselContainer.normalHeight)});
this.carouselBtn = new Element('a').addClass('carouselBtn').setProperties({
title: this.options.textShowCarousel
}).setHTML(this.options.textShowCarousel).injectInside(carouselContainerElement);
this.carouselBtn.addEvent(
'click',
function () {
this.carouselContainer.clearTimer();
this.toggleCarousel();
}.bind(this)
);
this.carouselActive = false;
var carouselElement = new Element('div').addClass('carousel').injectInside(carouselContainerElement);
this.carousel = new Fx.Styles(carouselElement);
this.carouselLabel = new Element('p').addClass('label').injectInside(this.carousel.element);
this.carouselWrapper = new Element('div').addClass('carouselWrapper').injectInside(this.carousel.element);
this.carouselInner = new Element('div').addClass('carouselInner').injectInside(this.carouselWrapper);
this.carouselWrapper.scroller = new Scroller(this.carouselWrapper, {
area: 100,
velocity: 0.2
})
this.carouselWrapper.elementScroller = new Fx.Scroll(this.carouselWrapper, {
duration: 400,
onStart: this.carouselWrapper.scroller.stop.bind(this.carouselWrapper.scroller),
onComplete: this.carouselWrapper.scroller.start.bind(this.carouselWrapper.scroller)
});
this.constructThumbnails();
this.carouselInner.style.width = ((this.maxIter * (this.options.thumbWidth + this.options.thumbSpacing)) - this.options.thumbSpacing + this.options.thumbWidth) + "px";
},
toggleCarousel: function() {
if (this.carouselActive)
this.hideCarousel();
else
this.showCarousel();
},
showCarousel: function () {
this.fireEvent('onShowCarousel');
this.carouselContainer.custom({
'opacity': this.options.carouselMaximizedOpacity,
'top': 0
}).addEvent('onComplete', function() { this.carouselActive = true; this.carouselWrapper.scroller.start(); }.bind(this));
},
hideCarousel: function () {
this.fireEvent('onHideCarousel');
this.carouselContainer.custom({
'opacity': this.options.carouselMinimizedOpacity,
'top': (this.options.carouselMinimizedHeight - this.carouselContainer.normalHeight)
}).addEvent('onComplete', function() { this.carouselActive = false; this.carouselWrapper.scroller.stop(); }.bind(this));
},
constructThumbnails: function () {
element = this.carouselInner;
for(i=0;i<this.galleryData.length;i++)
{
var currentImg = new Fx.Style(new Element ('div').addClass("thumbnail").setStyles({
backgroundImage: "url('" + this.galleryData[i].thumbnail + "')",
backgroundPosition: "center center",
backgroundRepeat: 'no-repeat',
marginLeft: this.options.thumbSpacing + "px",
width: this.options.thumbWidth + "px",
height: this.options.thumbHeight + "px"
}).injectInside(element), "opacity", {duration: 200}).set(0.2);
currentImg.element.addEvents({
'mouseover': function (myself) {
myself.clearTimer();
myself.custom(0.99);
$(this.carouselLabel).setHTML('<span class="number">' + (myself.relatedImage.number + 1) + "/" + this.maxIter + ":</span> " + myself.relatedImage.title);
}.pass(currentImg, this),
'mouseout': function (myself) {
myself.clearTimer();
myself.custom(0.2);
}.pass(currentImg, this),
'click': function (myself) {
this.goTo(myself.relatedImage.number);
}.pass(currentImg, this)
});
currentImg.relatedImage = this.galleryData[i];
this.thumbnailElements[parseInt(i)] = currentImg;
}
},
clearThumbnailsHighlights: function()
{
for(i=0;i<this.galleryData.length;i++)
{
this.thumbnailElements[i].clearTimer();
this.thumbnailElements[i].custom(0.2);
}
},
centerCarouselOn: function(num) {
var carouselElement = this.thumbnailElements[num];
var position = carouselElement.element.offsetLeft + (carouselElement.element.offsetWidth / 2);
var carouselWidth = this.carouselWrapper.offsetWidth;
var carouselInnerWidth = this.carouselInner.offsetWidth;
var diffWidth = carouselWidth / 2;
var scrollPos = position-diffWidth;
this.carouselWrapper.elementScroller.scrollTo(scrollPos,0);
},
initInfoSlideshow: function() {
/*if (this.slideInfoZone.element)
this.slideInfoZone.element.remove();*/
this.slideInfoZone = new Fx.Styles(new Element('div').addClass('slideInfoZone').injectInside($(this.galleryElement))).set({'opacity':0});
var slideInfoZoneTitle = new Element('h2').injectInside(this.slideInfoZone.element);
var slideInfoZoneDescription = new Element('p').injectInside(this.slideInfoZone.element);
this.slideInfoZone.normalHeight = this.slideInfoZone.element.offsetHeight;
this.slideInfoZone.element.setStyle('opacity',0);
},
changeInfoSlideShow: function()
{
this.hideInfoSlideShow.delay(10, this);
this.showInfoSlideShow.delay(500, this);
},
showInfoSlideShow: function() {
this.fireEvent('onShowInfopane');
this.slideInfoZone.clearTimer();
element = this.slideInfoZone.element;
element.getElement('h2').setHTML(this.galleryData[this.currentIter].title);
element.getElement('p').setHTML(this.galleryData[this.currentIter].description);
this.slideInfoZone.custom({'opacity': [0, this.options.slideInfoZoneOpacity], 'height': [0, this.slideInfoZone.normalHeight]});
if (this.options.showCarousel)
this.slideInfoZone.chain(this.centerCarouselOn.pass(this.currentIter, this));
return this.slideInfoZone;
},
hideInfoSlideShow: function() {
this.fireEvent('onHideInfopane');
this.slideInfoZone.clearTimer();
this.slideInfoZone.custom({'opacity': 0, 'height': 0});
return this.slideInfoZone;
},
makeLink: function(num) {
this.currentLink.setProperties({
href: this.galleryData[num].link,
title: this.galleryData[num].linkTitle
})
if (!((this.options.embedLinks) && (!this.options.showArrows) && (!this.options.showCarousel)))
this.currentLink.setStyle('display', 'block');
},
clearLink: function() {
this.currentLink.setProperties({href: '', title: ''});
if (!((this.options.embedLinks) && (!this.options.showArrows) && (!this.options.showCarousel)))
this.currentLink.setStyle('display', 'none');
}
});
gallery.implement(new Events);
gallery.implement(new Options);
/* All code copyright 2006 Jonathan Schemoul */ |
affichage swf en vidéorama
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