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/*
* jQuery UI Effects Bounce @VERSION
*
* Copyright 2011, 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 ) {
var rshowhide = /show|hide/;
$.effects.bounce = function(o) {
return this.queue(function() {
// Create element
var el = $( this ),
props = [ 'position', 'top', 'bottom', 'left', 'right' ],
// defaults:
mode = $.effects.setMode( el, o.mode || 'effect' ),
direction = o.direction || 'up',
distance = o.distance || 20,
times = o.times || 5,
speed = (o.duration || 250),
// utility:
ref = ( direction == 'up' || direction == 'down' ) ? 'top' : 'left',
motion = ( direction == 'up' || direction == 'left' ), // true is positive
distance = o.distance || false;
// Avoid touching opacity to prevent clearType and PNG issues in IE
if ( rshowhide.test(mode) ) props.push('opacity');
$.effects.save(el, props); el.show(); // Save & Show
$.effects.createWrapper(el); // Create Wrapper
if ( !distance ) {
distance = el[ref == 'top' ? 'outerHeight' : 'outerWidth' ]( { margin:true } ) / 3;
}
if (mode == 'show') el.css('opacity', 0).css(ref, motion ? -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 ? '+=' : '-=') + distance;
el.animate( animation, speed / 2, o.easing);
distance = distance / 2;
times--;
};
for (var i = 0; i < times; i++) { // Bounces
var animation1 = {}, animation2 = {};
animation1[ref] = (motion ? '-=' : '+=') + distance;
animation2[ref] = (motion ? '+=' : '-=') + distance;
el.animate( animation1, speed / 2, o.easing ).animate( animation2, speed / 2, o.easing );
distance = (mode == 'hide') ? distance * 2 : distance / 2;
};
if (mode == 'hide') { // Last Bounce
var animation = { opacity: 0 };
animation[ref] = (motion ? '-=' : '+=') + distance;
el.animate( animation, speed / 2, o.easing, function(){
el.hide(); // Hide
$.effects.restore( el, props ); $.effects.removeWrapper( el ); // Restore
if ( o.complete ) o.complete.apply( this, arguments ); // Callback
});
} else {
var animation1 = {}, animation2 = {};
animation1[ref] = (motion ? '-=' : '+=') + distance;
animation2[ref] = (motion ? '+=' : '-=') + distance;
el.animate(animation1, speed / 2, o.easing).animate(animation2, speed / 2, o.easing, function(){
$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
if(o.complete) o.complete.apply(this, arguments); // Callback
});
};
el.queue('fx', function(next) { next(); });
el.dequeue();
});
};
})(jQuery);
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