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|
/**
* Coin Slider - Unique jQuery Image Slider
* @version: 1.0 - (2010/04/04)
* @requires jQuery v1.2.2 or later
* @author Ivan Lazarevic
* Examples and documentation at: http://workshop.rs/projects/coin-slider/
* Licensed under MIT licence:
* http://www.opensource.org/licenses/mit-license.php
**/
(function($) {
var params = new Array;
var order = new Array;
var images = new Array;
var links = new Array;
var linksTarget = new Array;
var titles = new Array;
var interval = new Array;
var imagePos = new Array;
var appInterval = new Array;
var squarePos = new Array;
var reverse = new Array;
//Pour la fonction image aléatoire
function imagealeatoire(l,max)
{
return Math.floor((Math.random() * (max-l+1))+l);
}
//FIN
$.fn.coinslider= $.fn.CoinSlider = function(options){
init = function(el){
order[el.id] = new Array(); // order of square appereance
images[el.id] = new Array();
links[el.id] = new Array();
linksTarget[el.id] = new Array();
titles[el.id] = new Array();
imagePos[el.id] = 0;
squarePos[el.id] = 0;
reverse[el.id] = 1;
params[el.id] = $.extend({}, $.fn.coinslider.defaults, options);
// create images, links and titles arrays
$.each($('#'+el.id+' img'), function(i,item){
images[el.id][i] = $(item).attr('src');
links[el.id][i] = $(item).parent().is('a') ? $(item).parent().attr('href') : '';
linksTarget[el.id][i] = $(item).parent().is('a') ? $(item).parent().attr('target') : '';
titles[el.id][i] = $(item).next().is('span') ? $(item).next().html() : '';
$(item).hide();
$(item).next().hide();
});
// set panel
$(el).css({
'background-image':'url('+images[el.id][0]+')',
'width': params[el.id].width,
'height': params[el.id].height,
'position': 'relative',
'background-position': 'top left'
}).wrap("<div class='coin-slider' id='coin-slider-"+el.id+"' />");
// create title bar
$('#'+el.id).append("<div class='cs-title' id='cs-title-"+el.id+"' style='position: absolute; bottom:0; left: 0; z-index: 1000;'></div>");
$.setFields(el);
if(params[el.id].navigation)
$.setNavigation(el);
// Pour la fonction image aléatoire
var imagedepard = imagealeatoire(0,images[el.id].length)
$.transition(el,imagedepard);
//FIN
//ORG $.transition(el,0);
$.transitionCall(el);
}
// squares positions
$.setFields = function(el){
tWidth = sWidth = parseInt(params[el.id].width/params[el.id].spw);
tHeight = sHeight = parseInt(params[el.id].height/params[el.id].sph);
counter = sLeft = sTop = 0;
tgapx = gapx = params[el.id].width - params[el.id].spw*sWidth;
tgapy = gapy = params[el.id].height - params[el.id].sph*sHeight;
for(i=1;i <= params[el.id].sph;i++){
gapx = tgapx;
if(gapy > 0){
gapy--;
sHeight = tHeight+1;
} else {
sHeight = tHeight;
}
for(j=1; j <= params[el.id].spw; j++){
if(gapx > 0){
gapx--;
sWidth = tWidth+1;
} else {
sWidth = tWidth;
}
order[el.id][counter] = i+''+j;
counter++;
if(params[el.id].links)
$('#'+el.id).append("<a href='"+links[el.id][0]+"' class='cs-"+el.id+"' id='cs-"+el.id+i+j+"' style='width:"+sWidth+"px; height:"+sHeight+"px; float: left; position: absolute;'></a>");
else
$('#'+el.id).append("<div class='cs-"+el.id+"' id='cs-"+el.id+i+j+"' style='width:"+sWidth+"px; height:"+sHeight+"px; float: left; position: absolute;'></div>");
// positioning squares
$("#cs-"+el.id+i+j).css({
'background-position': -sLeft +'px '+(-sTop+'px'),
'left' : sLeft ,
'top': sTop
});
sLeft += sWidth;
}
sTop += sHeight;
sLeft = 0;
}
$('.cs-'+el.id).mouseover(function(){
$('#cs-navigation-'+el.id).show();
});
$('.cs-'+el.id).mouseout(function(){
$('#cs-navigation-'+el.id).hide();
});
$('#cs-title-'+el.id).mouseover(function(){
$('#cs-navigation-'+el.id).show();
});
$('#cs-title-'+el.id).mouseout(function(){
$('#cs-navigation-'+el.id).hide();
});
if(params[el.id].hoverPause){
$('.cs-'+el.id).mouseover(function(){
params[el.id].pause = true;
});
$('.cs-'+el.id).mouseout(function(){
params[el.id].pause = false;
});
$('#cs-title-'+el.id).mouseover(function(){
params[el.id].pause = true;
});
$('#cs-title-'+el.id).mouseout(function(){
params[el.id].pause = false;
});
}
};
$.transitionCall = function(el){
clearInterval(interval[el.id]);
delay = params[el.id].delay + params[el.id].spw*params[el.id].sph*params[el.id].sDelay;
interval[el.id] = setInterval(function() { $.transition(el) }, delay);
}
// transitions
$.transition = function(el,direction){
if(params[el.id].pause == true) return;
$.effect(el);
squarePos[el.id] = 0;
appInterval[el.id] = setInterval(function() { $.appereance(el,order[el.id][squarePos[el.id]]) },params[el.id].sDelay);
$(el).css({ 'background-image': 'url('+images[el.id][imagePos[el.id]]+')' });
if(typeof(direction) == "undefined")
//ORG imagePos[el.id]++;
imagePos[el.id]=imagealeatoire(0,images[el.id].length);
else
if(direction == 'prev')
//ORG imagePos[el.id]--;
imagePos[el.id]=imagealeatoire(0,images[el.id].length);
else
imagePos[el.id] = direction;
if (imagePos[el.id] == images[el.id].length) {
imagePos[el.id] = 0;
}
if (imagePos[el.id] == -1){
imagePos[el.id] = images[el.id].length-1;
}
$('.cs-button-'+el.id).removeClass('cs-active');
$('#cs-button-'+el.id+"-"+(imagePos[el.id]+1)).addClass('cs-active');
if(titles[el.id][imagePos[el.id]]){
$('#cs-title-'+el.id).css({ 'opacity' : 0 }).animate({ 'opacity' : params[el.id].opacity }, params[el.id].titleSpeed);
$('#cs-title-'+el.id).html(titles[el.id][imagePos[el.id]]);
} else {
$('#cs-title-'+el.id).css('opacity',0);
}
};
$.appereance = function(el,sid){
$('.cs-'+el.id).attr('href',links[el.id][imagePos[el.id]]).attr('target',linksTarget[el.id][imagePos[el.id]]);
if (squarePos[el.id] == params[el.id].spw*params[el.id].sph) {
clearInterval(appInterval[el.id]);
return;
}
$('#cs-'+el.id+sid).css({ opacity: 0, 'background-image': 'url('+images[el.id][imagePos[el.id]]+')' });
$('#cs-'+el.id+sid).animate({ opacity: 1 }, 300);
squarePos[el.id]++;
};
// navigation
$.setNavigation = function(el){
// create prev and next
$(el).append("<div id='cs-navigation-"+el.id+"'></div>");
$('#cs-navigation-'+el.id).hide();
$('#cs-navigation-'+el.id).append("<a href='#' id='cs-prev-"+el.id+"' class='cs-prev'>Prec.</a>");
$('#cs-navigation-'+el.id).append("<a href='#' id='cs-next-"+el.id+"' class='cs-next'>Suiv.</a>");
$('#cs-prev-'+el.id).css({
'position' : 'absolute',
'top' : params[el.id].height/2 - 15,
'left' : 0,
'z-index' : 1001,
'line-height': '30px',
'opacity' : params[el.id].opacity
}).click( function(e){
e.preventDefault();
$.transition(el,'prev');
$.transitionCall(el);
}).mouseover( function(){ $('#cs-navigation-'+el.id).show() });
$('#cs-next-'+el.id).css({
'position' : 'absolute',
'top' : params[el.id].height/2 - 15,
'right' : 0,
'z-index' : 1001,
'line-height': '30px',
'opacity' : params[el.id].opacity
}).click( function(e){
e.preventDefault();
$.transition(el);
$.transitionCall(el);
}).mouseover( function(){ $('#cs-navigation-'+el.id).show() });
// image buttons
$("<div id='cs-buttons-"+el.id+"' class='cs-buttons'></div>").appendTo($('#coin-slider-'+el.id));
for(k=1;k<images[el.id].length+1;k++){
$('#cs-buttons-'+el.id).append("<a href='#' class='cs-button-"+el.id+"' id='cs-button-"+el.id+"-"+k+"'>"+k+"</a>");
}
$.each($('.cs-button-'+el.id), function(i,item){
$(item).click( function(e){
$('.cs-button-'+el.id).removeClass('cs-active');
$(this).addClass('cs-active');
e.preventDefault();
$.transition(el,i);
$.transitionCall(el);
})
});
$('#cs-navigation-'+el.id+' a').mouseout(function(){
$('#cs-navigation-'+el.id).hide();
params[el.id].pause = false;
});
$("#cs-buttons-"+el.id).css({
'left' : '50%',
'margin-left' : -images[el.id].length*15/2-5,
'position' : 'relative'
});
}
// effects
$.effect = function(el){
effA = ['random','swirl','rain','straight'];
if(params[el.id].effect == '')
eff = effA[Math.floor(Math.random()*(effA.length))];
else
eff = params[el.id].effect;
order[el.id] = new Array();
if(eff == 'random'){
counter = 0;
for(i=1;i <= params[el.id].sph;i++){
for(j=1; j <= params[el.id].spw; j++){
order[el.id][counter] = i+''+j;
counter++;
}
}
$.random(order[el.id]);
}
if(eff == 'rain') {
$.rain(el);
}
if(eff == 'swirl')
$.swirl(el);
if(eff == 'straight')
$.straight(el);
reverse[el.id] *= -1;
if(reverse[el.id] > 0){
order[el.id].reverse();
}
}
// shuffle array function
$.random = function(arr) {
var i = arr.length;
if ( i == 0 ) return false;
while ( --i ) {
var j = Math.floor( Math.random() * ( i + 1 ) );
var tempi = arr[i];
var tempj = arr[j];
arr[i] = tempj;
arr[j] = tempi;
}
}
//swirl effect by milos popovic
$.swirl = function(el){
var n = params[el.id].sph;
var m = params[el.id].spw;
var x = 1;
var y = 1;
var going = 0;
var num = 0;
var c = 0;
var dowhile = true;
while(dowhile) {
num = (going==0 || going==2) ? m : n;
for (i=1;i<=num;i++){
order[el.id][c] = x+''+y;
c++;
if(i!=num){
switch(going){
case 0 : y++; break;
case 1 : x++; break;
case 2 : y--; break;
case 3 : x--; break;
}
}
}
going = (going+1)%4;
switch(going){
case 0 : m--; y++; break;
case 1 : n--; x++; break;
case 2 : m--; y--; break;
case 3 : n--; x--; break;
}
check = $.max(n,m) - $.min(n,m);
if(m<=check && n<=check)
dowhile = false;
}
}
// rain effect
$.rain = function(el){
var n = params[el.id].sph;
var m = params[el.id].spw;
var c = 0;
var to = to2 = from = 1;
var dowhile = true;
while(dowhile){
for(i=from;i<=to;i++){
order[el.id][c] = i+''+parseInt(to2-i+1);
c++;
}
to2++;
if(to < n && to2 < m && n<m){
to++;
}
if(to < n && n>=m){
to++;
}
if(to2 > m){
from++;
}
if(from > to) dowhile= false;
}
}
// straight effect
$.straight = function(el){
counter = 0;
for(i=1;i <= params[el.id].sph;i++){
for(j=1; j <= params[el.id].spw; j++){
order[el.id][counter] = i+''+j;
counter++;
}
}
}
$.min = function(n,m){
if (n>m) return m;
else return n;
}
$.max = function(n,m){
if (n<m) return m;
else return n;
}
this.each (
function(){ init(this); }
);
};
// default values
$.fn.coinslider.defaults = {
width: 700, // width of slider panel
height: 400, // height of slider panel
spw: 7, // squares per width
sph: 5, // squares per height
delay: 3000, // delay between images in ms
sDelay: 30, // delay beetwen squares in ms
opacity: 0.5, // opacity of title and navigation
titleSpeed: 2000, // speed of title appereance in ms
effect: 'random', // random, swirl, rain, straight
navigation: true, // prev next and buttons
links : true, // show images as links
hoverPause: true // pause on hover
};
})(jQuery); |
13/03/2011, 22h58
plugin Coin Slider, afficher aléatoirement les images dans mon slideshow
00
sébastien courjean
