kliffy/jqueryui/development-bundle/ui/jquery.effects.bounce.js

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2010-12-02 01:08:11 +00:00
/*
* jQuery UI Effects Bounce 1.8.5
*
* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Effects/Bounce
*
* Depends:
* jquery.effects.core.js
*/
(function( $, undefined ) {
$.effects.bounce = function(o) {
return this.queue(function() {
// Create element
var el = $(this), props = ['position','top','left'];
// Set options
var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode
var direction = o.options.direction || 'up'; // Default direction
var distance = o.options.distance || 20; // Default distance
var times = o.options.times || 5; // Default # of times
var speed = o.duration || 250; // Default speed per bounce
if (/show|hide/.test(mode)) props.push('opacity'); // Avoid touching opacity to prevent clearType and PNG issues in IE
// Adjust
$.effects.save(el, props); el.show(); // Save & Show
$.effects.createWrapper(el); // Create Wrapper
var ref = (direction == 'up' || direction == 'down') ? 'top' : 'left';
var motion = (direction == 'up' || direction == 'left') ? 'pos' : 'neg';
var distance = o.options.distance || (ref == 'top' ? el.outerHeight({margin:true}) / 3 : el.outerWidth({margin:true}) / 3);
if (mode == 'show') el.css('opacity', 0).css(ref, motion == 'pos' ? -distance : distance); // Shift
if (mode == 'hide') distance = distance / (times * 2);
if (mode != 'hide') times--;
// Animate
if (mode == 'show') { // Show Bounce
var animation = {opacity: 1};
animation[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
el.animate(animation, speed / 2, o.options.easing);
distance = distance / 2;
times--;
};
for (var i = 0; i < times; i++) { // Bounces
var animation1 = {}, animation2 = {};
animation1[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
animation2[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
el.animate(animation1, speed / 2, o.options.easing).animate(animation2, speed / 2, o.options.easing);
distance = (mode == 'hide') ? distance * 2 : distance / 2;
};
if (mode == 'hide') { // Last Bounce
var animation = {opacity: 0};
animation[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
el.animate(animation, speed / 2, o.options.easing, function(){
el.hide(); // Hide
$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
if(o.callback) o.callback.apply(this, arguments); // Callback
});
} else {
var animation1 = {}, animation2 = {};
animation1[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
animation2[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
el.animate(animation1, speed / 2, o.options.easing).animate(animation2, speed / 2, o.options.easing, function(){
$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
if(o.callback) o.callback.apply(this, arguments); // Callback
});
};
el.queue('fx', function() { el.dequeue(); });
el.dequeue();
});
};
})(jQuery);