bmen-wordpress/wp-themes/bmen/js/jquery.cycle.lite.js

225 lines
7.6 KiB
JavaScript

/*!
* jQuery Cycle Lite Plugin
* http://malsup.com/jquery/cycle/lite/
* Copyright (c) 2008-2012 M. Alsup
* Version: 1.5 (05-MAR-2012)
* 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 v1.3.2 or later
*/
;(function($) {
var ver = 'Lite-1.5';
$.fn.cycle = function(options) {
return this.each(function() {
options = options || {};
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) {
window.console && console.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() : {});
var meta = $.isFunction($cont.data) ? $cont.data(opts.metaAttr) : null;
if (meta)
opts = $.extend(opts, meta);
opts.before = opts.before ? [opts.before] : [];
opts.after = opts.after ? [opts.after] : [];
opts.after.unshift(function(){ opts.busy=0; });
// allow shorthand overrides of width, height and timeout
var cls = this.className;
opts.width = parseInt((cls.match(/w:(\d+)/)||[])[1]) || opts.width;
opts.height = parseInt((cls.match(/h:(\d+)/)||[])[1]) || opts.height;
opts.timeout = parseInt((cls.match(/t:(\d+)/)||[])[1]) || opts.timeout;
if ($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);
var first = 0;
$slides.css({position: 'absolute', top:0}).each(function(i) {
$(this).css('z-index', els.length-i)
});
$(els[first]).css('opacity',1).show(); // opacity bit needed to handle reinit case
if ($.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.pause)
$cont.hover(function(){this.cyclePause=1;}, function(){this.cyclePause=0;});
var txFn = $.fn.cycle.transitions[opts.fx];
txFn && txFn($cont, $slides, opts);
$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();
});
if (opts.cssFirst)
$($slides[first]).css(opts.cssFirst);
if (opts.timeout) {
// ensure that timeout and speed settings are sane
if (opts.speed.constructor == String)
opts.speed = {slow: 600, fast: 200}[opts.speed] || 400;
if (!opts.sync)
opts.speed = opts.speed / 2;
while((opts.timeout - opts.speed) < 250)
opts.timeout += opts.speed;
}
opts.speedIn = opts.speed;
opts.speedOut = opts.speed;
opts.slideCount = els.length;
opts.currSlide = first;
opts.nextSlide = 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).unbind('click.cycle').bind('click.cycle', function(){return advance(els,opts,opts.rev?-1:1)});
if (opts.prev)
$(opts.prev).unbind('click.cycle').bind('click.cycle', function(){return advance(els,opts,opts.rev?1:-1)});
if (opts.timeout)
this.cycleTimeout = setTimeout(function() {
go(els,opts,0,!opts.rev)
}, opts.timeout + (opts.delay||0));
});
};
function go(els, opts, manual, fwd) {
if (opts.busy) return;
var p = els[0].parentNode, curr = els[opts.currSlide], next = els[opts.nextSlide];
if (p.cycleTimeout === 0 && !manual)
return;
if (manual || !p.cyclePause) {
if (opts.before.length)
$.each(opts.before, function(i,o) { o.apply(next, [curr, next, opts, fwd]); });
var after = function() {
if ($.browser.msie)
this.style.removeAttribute('filter');
$.each(opts.after, function(i,o) { o.apply(next, [curr, next, opts, fwd]); });
queueNext();
};
if (opts.nextSlide != opts.currSlide) {
opts.busy = 1;
$.fn.cycle.custom(curr, next, opts, after);
}
var roll = (opts.nextSlide + 1) == els.length;
opts.nextSlide = roll ? 0 : opts.nextSlide+1;
opts.currSlide = roll ? els.length-1 : opts.nextSlide-1;
} else {
queueNext();
}
function queueNext() {
if (opts.timeout)
p.cycleTimeout = setTimeout(function() { go(els,opts,0,!opts.rev) }, opts.timeout);
}
};
// advance slide forward or back
function advance(els, opts, val) {
var p = els[0].parentNode, timeout = p.cycleTimeout;
if (timeout) {
clearTimeout(timeout);
p.cycleTimeout = 0;
}
opts.nextSlide = opts.currSlide + val;
if (opts.nextSlide < 0) {
opts.nextSlide = els.length - 1;
}
else if (opts.nextSlide >= els.length) {
opts.nextSlide = 0;
}
go(els, opts, 1, val>=0);
return false;
};
$.fn.cycle.custom = function(curr, next, opts, cb) {
var $l = $(curr), $n = $(next);
$n.css(opts.cssBefore);
var fn = function() {$n.animate(opts.animIn, opts.speedIn, opts.easeIn, cb)};
$l.animate(opts.animOut, opts.speedOut, opts.easeOut, function() {
$l.css(opts.cssAfter);
if (!opts.sync) fn();
});
if (opts.sync) fn();
};
$.fn.cycle.transitions = {
fade: function($cont, $slides, opts) {
$slides.not(':eq(0)').hide();
opts.cssBefore = { opacity: 0, display: 'block' };
opts.cssAfter = { display: 'none' };
opts.animOut = { opacity: 0 };
opts.animIn = { opacity: 1 };
},
fadeout: function($cont, $slides, opts) {
opts.before.push(function(curr,next,opts,fwd) {
$(curr).css('zIndex',opts.slideCount + (fwd === true ? 1 : 0));
$(next).css('zIndex',opts.slideCount + (fwd === true ? 0 : 1));
});
$slides.not(':eq(0)').hide();
opts.cssBefore = { opacity: 1, display: 'block', zIndex: 1 };
opts.cssAfter = { display: 'none', zIndex: 0 };
opts.animOut = { opacity: 0 };
}
};
$.fn.cycle.ver = function() { return ver; };
// @see: http://malsup.com/jquery/cycle/lite/
$.fn.cycle.defaults = {
animIn: {},
animOut: {},
fx: 'fade',
after: null,
before: null,
cssBefore: {},
cssAfter: {},
delay: 0,
fit: 0,
height: 'auto',
metaAttr: 'cycle',
next: null,
pause: 0,
prev: null,
speed: 1000,
slideExpr: null,
sync: 1,
timeout: 4000
};
})(jQuery);