jquery-ui/ui/effect-bounce.js
Mike Sherov b6bec797d6 Effects: Rewrite
1. Introduces a set of helper methods to easily create and define new effects.
2. Uses clip animations and placeholders instead of wrappers for clip effects.
3. Ensures all animations are detectable as animated

Fixes #10599
Fixes #9477
Fixes #9257
Fixes #9066
Fixes #8867
Fixes #8671
Fixes #8505
Fixes #7885
Fixes #7041

Closes gh-1017
2014-12-10 16:58:38 -05:00

109 lines
2.5 KiB
JavaScript

/*!
* jQuery UI Effects Bounce @VERSION
* http://jqueryui.com
*
* Copyright 2014 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*/
//>>label: Bounce Effect
//>>group: Effects
//>>description: Bounces an element horizontally or vertically n times.
//>>docs: http://api.jqueryui.com/bounce-effect/
//>>demos: http://jqueryui.com/effect/
(function( factory ) {
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
define([
"jquery",
"./effect"
], factory );
} else {
// Browser globals
factory( jQuery );
}
}(function( $ ) {
return $.effects.define( "bounce", function( options, done ) {
var upAnim, downAnim, refValue,
element = $( this ),
// defaults:
mode = options.mode,
hide = mode === "hide",
show = mode === "show",
direction = options.direction || "up",
distance = options.distance,
times = options.times || 5,
// number of internal animations
anims = times * 2 + ( show || hide ? 1 : 0 ),
speed = options.duration / anims,
easing = options.easing,
// utility:
ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
motion = ( direction === "up" || direction === "left" ),
i = 0,
queuelen = element.queue().length;
$.effects.createPlaceholder( element );
refValue = element.css( ref );
// default distance for the BIGGEST bounce is the outer Distance / 3
if ( !distance ) {
distance = element[ ref === "top" ? "outerHeight" : "outerWidth" ]() / 3;
}
if ( show ) {
downAnim = { opacity: 1 };
downAnim[ ref ] = refValue;
// if we are showing, force opacity 0 and set the initial position
// then do the "first" animation
element
.css( "opacity", 0 )
.css( ref, motion ? -distance * 2 : distance * 2 )
.animate( downAnim, speed, easing );
}
// start at the smallest distance if we are hiding
if ( hide ) {
distance = distance / Math.pow( 2, times - 1 );
}
downAnim = {};
downAnim[ ref ] = refValue;
// Bounces up/down/left/right then back to 0 -- times * 2 animations happen here
for ( ; i < times; i++ ) {
upAnim = {};
upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;
element
.animate( upAnim, speed, easing )
.animate( downAnim, speed, easing );
distance = hide ? distance * 2 : distance / 2;
}
// Last Bounce when Hiding
if ( hide ) {
upAnim = { opacity: 0 };
upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;
element.animate( upAnim, speed, easing );
}
element.queue( done );
$.effects.unshift( element, queuelen, anims + 1 );
});
}));