Codice PHP:
$(function() {
//current thumb's index being viewed
var current = -1;
//cache some elements
var $btn_thumbs = $('#fp_thumbtoggle');
var $loader = $('#fp_loading');
var $btn_next = $('#fp_next');
var $btn_prev = $('#fp_prev');
var $thumbScroller = $('#thumbScroller');
//total number of thumbs
var nmb_thumbs = $thumbScroller.find('.content').length;
//preload thumbs
var cnt_thumbs = 0;
for(var i=0;i<nmb_thumbs;++i){
var $thumb = $thumbScroller.find('.content:nth-child('+parseInt(i+1)+')');
$('<img/>').load(function(){
++cnt_thumbs;
if(cnt_thumbs == nmb_thumbs)
//display the thumbs on the bottom of the page
showThumbs(2000);
}).attr('src',$thumb.find('img').attr('src'));
}
//make the document scrollable
//when the the mouse is moved up/down
//the user will be able to see the full image
makeScrollable();
//clicking on a thumb...
$thumbScroller.find('.content').bind('click',function(e){
$("#pattern_up, #pattern_low, #footer").hide("slow");
$("#nav1").animate({'top':'-250px'},500); //OCCHIO A QUESTO TOGLIERE IN CASO DI PROBLEMI E RIMETTERLO SOPRA INSIEME AGLI ALTRI TRE NELLA FUNZIONE HIDE
var $content= $(this);
var $elem = $content.find('img');
//keep track of the current clicked thumb
//it will be used for the navigation arrows
current = $content.index()+1;
//get the positions of the clicked thumb
var pos_left = $elem.offset().left;
var pos_top = $elem.offset().top;
//clone the thumb and place
//the clone on the top of it
var $clone = $elem.clone()
.addClass('clone')
.css({
'position':'fixed',
'left': pos_left + 'px',
'top': pos_top + 'px'
}).insertAfter($('BODY'));
var windowW = $(window).width();
var windowH = $(window).height();
//animate the clone to the center of the page
$clone.stop()
.animate({
'left': windowW/2 + 'px',
'top': windowH/2 + 'px',
'margin-left' :-$clone.width()/2 -5 + 'px',
'margin-top': -$clone.height()/2 -5 + 'px'
},500,
function(){
var $theClone = $(this);
var ratio = $clone.width()/120;
var final_w = 400*ratio;
$loader.show();
//expand the clone when large image is loaded
$('<img class="fp_preview"/>').load(function(){
var $newimg = $(this);
var $currImage = $('#fp_gallery').children('img:first');
$newimg.insertBefore($currImage);
$loader.hide();
//expand clone
$theClone.animate({
'opacity' : 0,
'top' : windowH/2 + 'px',
'left' : windowW/2 + 'px',
'margin-top' : '-200px',
'margin-left' : -final_w/2 + 'px',
'width' : final_w + 'px',
'height' : '400px'
},1000,function(){$(this).remove();});
//now we have two large images on the page
//fadeOut the old one so that the new one gets shown
$currImage.fadeOut(2000,function(){
$(this).remove();
});
//show the navigation arrows
showNav();
}).attr('src',$elem.attr('alt'));
});
//hide the thumbs container
hideThumbs();
e.preventDefault();
});
//clicking on the "show thumbs"
//displays the thumbs container and hides
//the navigation arrows
$btn_thumbs.bind('click',function(){
showThumbs(500);
hideNav();
});
function hideThumbs(){
//$('#outer_container').stop().animate({'bottom':'-160px'},500);;
$('#outer_container').stop().hide("slow");
showThumbsBtn();
}
function showThumbs(){
//$('#outer_container').stop().animate({'bottom':'0px'},speed);
$('#outer_container').stop().show("slow");
hideThumbsBtn();
}
function hideThumbsBtn(){
$btn_thumbs.stop().animate({'bottom':'-50px'},500);
$("#nav1").stop().animate({'top':'100px'},500);//OCCHIO ANCHE A QUESTO
$('#footer, #pattern_up, #pattern_low').stop().show("slow");
$(".fp_preview").fadeOut("slow"); //OCCHIO A QUESTO - TOGLIERE IN CASO DI PROBLEMI
}
function showThumbsBtn(){
$btn_thumbs.stop().animate({'bottom':'0px'},500);
}
function hideNav(){
$btn_next.stop().animate({'right':'-50px'},500);
$btn_prev.stop().animate({'left':'-50px'},500);
}
function showNav(){
$btn_next.stop().animate({'right':'0px'},500);
$btn_prev.stop().animate({'left':'0px'},500);
}
//events for navigating through the set of images
$btn_next.bind('click',showNext);
$btn_prev.bind('click',showPrev);
//the aim is to load the new image,
//place it before the old one and fadeOut the old one
//we use the current variable to keep track which
//image comes next / before
function showNext(){
++current;
var $e_next = $thumbScroller.find('.content:nth-child('+current+')');
if($e_next.length == 0){
current = 1;
$e_next = $thumbScroller.find('.content:nth-child('+current+')');
}
$loader.show();
$('<img class="fp_preview"/>').load(function(){
var $newimg = $(this);
var $currImage = $('#fp_gallery').children('img:first');
$newimg.insertBefore($currImage);
$loader.hide();
$currImage.fadeOut(2000,function(){$(this).remove();});
}).attr('src',$e_next.find('img').attr('alt'));
}
function showPrev(){
--current;
var $e_next = $thumbScroller.find('.content:nth-child('+current+')');
if($e_next.length == 0){
current = nmb_thumbs;
$e_next = $thumbScroller.find('.content:nth-child('+current+')');
}
$loader.show();
$('<img class="fp_preview"/>').load(function(){
var $newimg = $(this);
var $currImage = $('#fp_gallery').children('img:first');
$newimg.insertBefore($currImage);
$loader.hide();
$currImage.fadeOut(2000,function(){$(this).remove();});
}).attr('src',$e_next.find('img').attr('alt'));
}
function makeScrollable(){
$(document).bind('mousemove',function(e){
var top = (e.pageY - $(document).scrollTop()/2) ;
$(document).scrollTop(top);
});
}
});
La funzione e make scrollable() alla fine dello script. Come posso fare per attivarla solo al click che carica l'immagine a pieno schermo e disattivarla quando si ritorna alla visualizzazione delle miniature?
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