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| var Ticker = new Class({
timer: null,
initialize: function(el,options){
this.setOptions(options);
this.el = $(el);
this.items = this.el.getElements('li');
var w = 0;
var h = 0;
if(this.options.direction.toLowerCase()=='horizontal') {
h = this.el.getSize().y;
this.items.each(function(li,index) {
w += li.getSize().x;
});
} else if(this.options.direction.toLowerCase()=='vertical') {
w = this.el.getSize().x;
this.items.each(function(li,index) {
h += li.getSize().y;
});
}
else {
w = this.el.getSize().x;
h = this.el.getSize().y;
this.items.setStyles({
position: 'absolute',
top: 0,
opacity: 0
});
}
this.el.setStyles({
position: 'absolute',
top: 0,
left: 0,
width: w,
height: h
});
if (this.options.direction.toLowerCase()=='fade')
{
this.fx = new Fx.Tween(this.items[0], {property:'opacity', duration decu this.options.speed/2), transition: this.options.transition}).set(1);
}
else
{
this.fx = new Fx.Morph(this.el, {duration:this.options.speed, transition: this.options.transition, onComplete:function() {
var i = (this.current==0) ? this.items.length : this.current;
this.items[i-1].injectInside(this.el);
this.el.setStyles({
left:0,
top:0
});
}.bind(this)});
}
this.current = 0;
if (this.options.delay > 0) {
this.timer = this.next.bind(this).delay(this.options.delay+this.options.speed);
} else {
this.next();
}
},
pause: function() {
$clear(this.timer);
this.timer = null;
},
resume: function() {
if (this.timer == null) {
this.next();
}
},
next: function() {
this.current++;
if (this.current >= this.items.length) this.current = 0;
if (this.options.direction.toLowerCase() == 'fade')
{
this.fx.start(1, 0).chain( (function() {
this.fx = new Fx.Tween(this.items[this.current], {property:'opacity', duration decu this.options.speed/2), transition: this.options.transition}).start(0, 1).chain((function() {
if (this.options.delay == 0)
this.next();
}).bind(this));
}).bind(this));
}
else
{
var pos = this.items[this.current];
this.fx.start({
top: -pos.offsetTop,
left: -pos.offsetLeft
}).chain( (function() {
// Update css classes
this.fx.element.getElements('li').each( function(el, i, items)
{
var cls = el.className;
cls = cls.replace(/odd|even|first|last/g, '').clean();
// First element
if (i == 0)
{
cls += ' first';
}
// Last element
if (i >= (items.length-1))
{
cls += ' last';
}
// Odd/even
cls += (i%2 == 0) ? ' even' : ' odd';
// Apply css class
el.className = cls.trim();
});
if (this.options.delay == 0)
this.next();
}).bind(this))
}
if (this.options.delay > 0) {
this.timer = this.next.bind(this).delay(this.options.delay+this.options.speed);
}
},
prev: function() {
this.current++;
if (this.current >= this.items.length) this.current = 0;
if (this.options.direction.toLowerCase() == 'fade')
{
this.fx.start(1, 0).chain( (function() {
this.fx = new Fx.Tween(this.items[this.current], {property:'opacity', duration decu this.options.speed/2), transition: this.options.transition}).start(0, 1).chain((function() {
if (this.options.delay == 0)
this.next();
}).bind(this));
}).bind(this));
}
else
{
var pos = this.items[this.current];
this.fx.start({
top: +pos.offsetTop,
left: +pos.offsetLeft
}).chain( (function() {
// Update css classes
this.fx.element.getElements('li').each( function(el, i, items)
{
var cls = el.className;
cls = cls.replace(/odd|even|first|last/g, '').clean();
// First element
if (i == 0)
{
cls += ' first';
}
// Last element
if (i >= (items.length-1))
{
cls += ' last';
}
// Odd/even
cls += (i%2 == 0) ? ' even' : ' odd';
// Apply css class
el.className = cls.trim();
});
if (this.options.delay == 0)
this.next();
}).bind(this))
}
if (this.options.delay > 0) {
this.timer = this.next.bind(this).delay(this.options.delay+this.options.speed);
}
}
});
Ticker.implement(new Options); |
