/*
* jQuery Cycle Plugin (with Transition Definitions)
* Examples and documentation at: http://jquery.malsup.com/cycle/
* Copyright (c) 2007-2009 M. Alsup
* Version: 2.34 (26-JAN-2009)
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
* Requires: jQuery v1.2.3 or later
*
* Originally based on the work of:
* 1) Matt Oakes (http://portfolio.gizone.co.uk/applications/slideshow/)
* 2) Torsten Baldes (http://medienfreunde.com/lab/innerfade/)
* 3) Benjamin Sterling (http://www.benjaminsterling.com/experiments/jqShuffle/)
*/
;(function($) {
var ver = '2.34';
// if $.support is not defined (pre jQuery 1.3) add what I need
if ($.support == undefined) {
$.support = {
opacity: !($.browser.msie && /MSIE 6.0/.test(navigator.userAgent))
};
}
function log() {
if (window.console && window.console.log)
window.console.log('[cycle] ' + Array.prototype.join.call(arguments,''));
};
$.fn.cycle = function(options) {
if (this.length == 0) {
// is your DOM ready? http://docs.jquery.com/Tutorials:Introducing_$(document).ready()
log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)'));
return this;
}
var opt2 = arguments[1];
return this.each(function() {
if (this.cycleStop == undefined)
this.cycleStop = 0;
if (options === undefined || options === null)
options = {};
if (options.constructor == String) {
switch(options) {
case 'stop':
this.cycleStop++; // callbacks look for change
if (this.cycleTimeout) clearTimeout(this.cycleTimeout);
this.cycleTimeout = 0;
$(this).removeData('cycle.opts');
return;
case 'pause':
this.cyclePause = 1;
return;
case 'resume':
this.cyclePause = 0;
if (opt2 === true) { // resume now!
options = $(this).data('cycle.opts');
if (!options) {
log('options not found, can not resume');
return;
}
if (this.cycleTimeout) {
clearTimeout(this.cycleTimeout);
this.cycleTimeout = 0;
}
go(options.elements, options, 1, 1);
}
return;
default:
options = { fx: options };
};
}
else if (options.constructor == Number) {
// go to the requested slide
var num = options;
options = $(this).data('cycle.opts');
if (!options) {
log('options not found, can not advance slide');
return;
}
if (num < 0 || num >= options.elements.length) {
log('invalid slide index: ' + num);
return;
}
options.nextSlide = num;
if (this.cycleTimeout) {
clearTimeout(this.cycleTimeout);
this.cycleTimeout = 0;
}
go(options.elements, options, 1, num >= options.currSlide);
return;
}
// stop existing slideshow for this container (if there is one)
if (this.cycleTimeout) clearTimeout(this.cycleTimeout);
this.cycleTimeout = 0;
this.cyclePause = 0;
var $cont = $(this);
var $slides = options.slideExpr ? $(options.slideExpr, this) : $cont.children();
var els = $slides.get();
if (els.length < 2) {
log('terminating; too few slides: ' + els.length);
return; // don't bother
}
// support metadata plugin (v1.0 and v2.0)
var opts = $.extend({}, $.fn.cycle.defaults, options || {}, $.metadata ? $cont.metadata() : $.meta ? $cont.data() : {});
if (opts.autostop)
opts.countdown = opts.autostopCount || els.length;
$cont.data('cycle.opts', opts);
opts.container = this;
opts.stopCount = this.cycleStop;
opts.elements = els;
opts.before = opts.before ? [opts.before] : [];
opts.after = opts.after ? [opts.after] : [];
opts.after.unshift(function(){ opts.busy=0; });
if (opts.continuous)
opts.after.push(function() { go(els,opts,0,!opts.rev); });
// clearType corrections
if (!$.support.opacity && opts.cleartype && !opts.cleartypeNoBg)
clearTypeFix($slides);
// allow shorthand overrides of width, height and timeout
var cls = this.className;
opts.width = parseInt((cls.match(/w:(\d+)/)||[])[1]) || opts.width;
opts.height = parseInt((cls.match(/h:(\d+)/)||[])[1]) || opts.height;
opts.timeout = parseInt((cls.match(/t:(\d+)/)||[])[1]) || opts.timeout;
if ($cont.css('position') == 'static')
$cont.css('position', 'relative');
if (opts.width)
$cont.width(opts.width);
if (opts.height && opts.height != 'auto')
$cont.height(opts.height);
if (opts.startingSlide) opts.startingSlide = parseInt(opts.startingSlide);
if (opts.random) {
opts.randomMap = [];
for (var i = 0; i < els.length; i++)
opts.randomMap.push(i);
opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});
opts.randomIndex = 0;
opts.startingSlide = opts.randomMap[0];
}
else if (opts.startingSlide >= els.length)
opts.startingSlide = 0; // catch bogus input
var first = opts.startingSlide || 0;
$slides.css({position: 'absolute', top:0, left:0}).hide().each(function(i) {
var z = first ? i >= first ? els.length - (i-first) : first-i : els.length-i;
$(this).css('z-index', z)
});
$(els[first]).css('opacity',1).show(); // opacity bit needed to handle reinit case
if ($.browser.msie) els[first].style.removeAttribute('filter');
if (opts.fit && opts.width)
$slides.width(opts.width);
if (opts.fit && opts.height && opts.height != 'auto')
$slides.height(opts.height);
if (opts.containerResize) {
var maxw = 0, maxh = 0;
for(var i=0; i < els.length; i++) {
var $e = $(els[i]), w = $e.outerWidth(), h = $e.outerHeight();
maxw = w > maxw ? w : maxw;
maxh = h > maxh ? h : maxh;
}
$cont.css({width:maxw+'px',height:maxh+'px'});
}
if (opts.pause)
$cont.hover(function(){this.cyclePause++;},function(){this.cyclePause--;});
// run transition init fn
var init = $.fn.cycle.transitions[opts.fx];
if ($.isFunction(init))
init($cont, $slides, opts);
else if (opts.fx != 'custom')
log('unknown transition: ' + opts.fx);
$slides.each(function() {
var $el = $(this);
this.cycleH = (opts.fit && opts.height) ? opts.height : $el.height();
this.cycleW = (opts.fit && opts.width) ? opts.width : $el.width();
});
opts.cssBefore = opts.cssBefore || {};
opts.animIn = opts.animIn || {};
opts.animOut = opts.animOut || {};
$slides.not(':eq('+first+')').css(opts.cssBefore);
if (opts.cssFirst)
$($slides[first]).css(opts.cssFirst);
if (opts.timeout) {
opts.timeout = parseInt(opts.timeout);
// ensure that timeout and speed settings are sane
if (opts.speed.constructor == String)
opts.speed = $.fx.speeds[opts.speed] || parseInt(opts.speed);
if (!opts.sync)
opts.speed = opts.speed / 2;
while((opts.timeout - opts.speed) < 250)
opts.timeout += opts.speed;
}
if (opts.easing)
opts.easeIn = opts.easeOut = opts.easing;
if (!opts.speedIn)
opts.speedIn = opts.speed;
if (!opts.speedOut)
opts.speedOut = opts.speed;
opts.slideCount = els.length;
opts.currSlide = first;
if (opts.random) {
opts.nextSlide = opts.currSlide;
if (++opts.randomIndex == els.length)
opts.randomIndex = 0;
opts.nextSlide = opts.randomMap[opts.randomIndex];
}
else
opts.nextSlide = opts.startingSlide >= (els.length-1) ? 0 : opts.startingSlide+1;
// fire artificial events
var e0 = $slides[first];
if (opts.before.length)
opts.before[0].apply(e0, [e0, e0, opts, true]);
if (opts.after.length > 1)
opts.after[1].apply(e0, [e0, e0, opts, true]);
if (opts.click && !opts.next)
opts.next = opts.click;
if (opts.next)
$(opts.next).bind('click', function(){return advance(els,opts,opts.rev?-1:1)});
if (opts.prev)
$(opts.prev).bind('click', function(){return advance(els,opts,opts.rev?1:-1)});
if (opts.pager)
buildPager(els,opts);
// expose fn for adding slides after the show has started
opts.addSlide = function(newSlide, prepend) {
var $s = $(newSlide), s = $s[0];
if (!opts.autostopCount)
opts.countdown++;
els[prepend?'unshift':'push'](s);
if (opts.els)
opts.els[prepend?'unshift':'push'](s); // shuffle needs this
opts.slideCount = els.length;
$s.css('position','absolute');
$s[prepend?'prependTo':'appendTo']($cont);
if (prepend) {
opts.currSlide++;
opts.nextSlide++;
}
if (!$.support.opacity && opts.cleartype && !opts.cleartypeNoBg)
clearTypeFix($s);
if (opts.fit && opts.width)
$s.width(opts.width);
if (opts.fit && opts.height && opts.height != 'auto')
$slides.height(opts.height);
s.cycleH = (opts.fit && opts.height) ? opts.height : $s.height();
s.cycleW = (opts.fit && opts.width) ? opts.width : $s.width();
$s.css(opts.cssBefore);
if (opts.pager)
$.fn.cycle.createPagerAnchor(els.length-1, s, $(opts.pager), els, opts);
if (typeof opts.onAddSlide == 'function')
opts.onAddSlide($s);
};
if (opts.timeout || opts.continuous)
this.cycleTimeout = setTimeout(
function(){go(els,opts,0,!opts.rev)},
opts.continuous ? 10 : opts.timeout + (opts.delay||0));
});
};
function go(els, opts, manual, fwd) {
if (opts.busy) return;
var p = opts.container, curr = els[opts.currSlide], next = els[opts.nextSlide];
if (p.cycleStop != opts.stopCount || p.cycleTimeout === 0 && !manual)
return;
if (!manual && !p.cyclePause &&
((opts.autostop && (--opts.countdown <= 0)) ||
(opts.nowrap && !opts.random && opts.nextSlide < opts.currSlide))) {
if (opts.end)
opts.end(opts);
return;
}
if (manual || !p.cyclePause) {
if (opts.before.length)
$.each(opts.before, function(i,o) {
if (p.cycleStop != opts.stopCount) return;
o.apply(next, [curr, next, opts, fwd]);
});
var after = function() {
if ($.browser.msie && opts.cleartype)
this.style.removeAttribute('filter');
$.each(opts.after, function(i,o) {
if (p.cycleStop != opts.stopCount) return;
o.apply(next, [curr, next, opts, fwd]);
});
};
if (opts.nextSlide != opts.currSlide) {
opts.busy = 1;
if (opts.fxFn)
opts.fxFn(curr, next, opts, after, fwd);
else if ($.isFunction($.fn.cycle[opts.fx]))
$.fn.cycle[opts.fx](curr, next, opts, after);
else
$.fn.cycle.custom(curr, next, opts, after, manual && opts.fastOnEvent);
}
if (opts.random) {
opts.currSlide = opts.nextSlide;
if (++opts.randomIndex == els.length)
opts.randomIndex = 0;
opts.nextSlide = opts.randomMap[opts.randomIndex];
}
else { // sequence
var roll = (opts.nextSlide + 1) == els.length;
opts.nextSlide = roll ? 0 : opts.nextSlide+1;
opts.currSlide = roll ? els.length-1 : opts.nextSlide-1;
}
if (opts.pager)
$.fn.cycle.updateActivePagerLink(opts.pager, opts.currSlide);
}
if (opts.timeout && !opts.continuous)
p.cycleTimeout = setTimeout(function() { go(els,opts,0,!opts.rev) }, getTimeout(curr,next,opts,fwd));
else if (opts.continuous && p.cyclePause)
p.cycleTimeout = setTimeout(function() { go(els,opts,0,!opts.rev) }, 10);
};
$.fn.cycle.updateActivePagerLink = function(pager, currSlide) {
$(pager).find('a').removeClass('activeSlide').filter('a:eq('+currSlide+')').addClass('activeSlide');
};
function getTimeout(curr, next, opts, fwd) {
if (opts.timeoutFn) {
var t = opts.timeoutFn(curr,next,opts,fwd);
if (t !== false)
return t;
}
return opts.timeout;
};
// advance slide forward or back
function advance(els, opts, val) {
var p = opts.container, timeout = p.cycleTimeout;
if (timeout) {
clearTimeout(timeout);
p.cycleTimeout = 0;
}
if (opts.random && val < 0) {
// move back to the previously display slide
opts.randomIndex--;
if (--opts.randomIndex == -2)
opts.randomIndex = els.length-2;
else if (opts.randomIndex == -1)
opts.randomIndex = els.length-1;
opts.nextSlide = opts.randomMap[opts.randomIndex];
}
else if (opts.random) {
if (++opts.randomIndex == els.length)
opts.randomIndex = 0;
opts.nextSlide = opts.randomMap[opts.randomIndex];
}
else {
opts.nextSlide = opts.currSlide + val;
if (opts.nextSlide < 0) {
if (opts.nowrap) return false;
opts.nextSlide = els.length - 1;
}
else if (opts.nextSlide >= els.length) {
if (opts.nowrap) return false;
opts.nextSlide = 0;
}
}
if (opts.prevNextClick && typeof opts.prevNextClick == 'function')
opts.prevNextClick(val > 0, opts.nextSlide, els[opts.nextSlide]);
go(els, opts, 1, val>=0);
return false;
};
function buildPager(els, opts) {
var $p = $(opts.pager);
$.each(els, function(i,o) {
$.fn.cycle.createPagerAnchor(i,o,$p,els,opts);
});
$.fn.cycle.updateActivePagerLink(opts.pager, opts.startingSlide);
};
$.fn.cycle.createPagerAnchor = function(i, el, $p, els, opts) {
var a = (typeof opts.pagerAnchorBuilder == 'function')
? opts.pagerAnchorBuilder(i,el)
: '