function($) {
$.fn.easySlider = function(options){
// default configuration properties
var defaults = {
prevId: 'prevBtn',
prevText: '',
nextId: 'nextBtn',
nextText: '',
controlsShow: true,
controlsBefore: '',
controlsAfter: '',
controlsFade: true,
firstId: 'firstBtn',
firstText: 'First',
firstShow: false,
lastId: 'lastBtn',
lastText: 'Last',
lastShow: false,
vertical: false,
speed: 800,
auto: false,
pause: 2000,
continuous: false
};
var options = $.extend(defaults, options);
this.each(function() {
var obj = $(this);
var s = $("li", obj).length;
var w = $("li", obj).width();
var h = $("li", obj).height();
obj.width(w);
obj.height(h);
obj.css("overflow","hidden");
var ts = s-1;
var t = 0;
$("ul", obj).css('width',s*w);
if(!options.vertical) $("li", obj).css('float','left');
if(options.controlsShow){
var html = options.controlsBefore;
if(options.firstShow) html += '
'+ options.firstText +'';
html += '
'+ options.prevText +'';
html += '
'+ options.nextText +'';
if(options.lastShow) html += '
'+ options.lastText +'';
html += options.controlsAfter;
$(obj).after(html);
};
$("a","#"+options.nextId).click(function(){
animate("next",true);
});
$("a","#"+options.prevId).click(function(){
animate("prev",true);
});
$("a","#"+options.firstId).click(function(){
animate("first",true);
});
$("a","#"+options.lastId).click(function(){
animate("last",true);
});
function animate(dir,clicked){
var ot = t;
switch(dir){
case "next":
t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;
break;
case "prev":
t = (t<=0) ? (options.continuous ? ts : 0) : t-1; break; case "first": t = 0; break; case "last": t = ts; break; default: break; }; var diff = Math.abs(ot-t); var speed = diff*options.speed; if(!options.vertical) { p = (t*w*-1); $("ul",obj).animate( { marginLeft: p }, speed ); } else { p = (t*h*-1); $("ul",obj).animate( { marginTop: p }, speed ); }; if(!options.continuous && options.controlsFade){ if(t==ts){ $("a","#"+options.nextId).hide(); $("a","#"+options.lastId).hide(); } else { $("a","#"+options.nextId).show(); $("a","#"+options.lastId).show(); }; if(t==0){ $("a","#"+options.prevId).hide(); $("a","#"+options.firstId).hide(); } else { $("a","#"+options.prevId).show(); $("a","#"+options.firstId).show(); }; }; if(clicked) clearTimeout(timeout); if(options.auto && dir=="next" && !clicked){; timeout = setTimeout(function(){ animate("next",false); },diff*options.speed+options.pause); }; }; // init var timeout; if(options.auto){; timeout = setTimeout(function(){ animate("next",false); },options.pause); }; if(!options.continuous && options.controlsFade){ $("a","#"+options.prevId).hide(); $("a","#"+options.firstId).hide(); }; }); }; })(jQuery);