* jQuery UI Effects Fold 1.12.1
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
//>>description: Folds an element first horizontally and then vertically.
//>>docs: http://api.jqueryui.com/fold-effect/
//>>demos: http://jqueryui.com/effect/
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
return $.effects.define( "fold", "hide", function( options, done ) {
size = options.size || 15,
percent = /([0-9]+)%/.exec( size ),
horizFirst = !!options.horizFirst,
ref = horizFirst ? [ "right", "bottom" ] : [ "bottom", "right" ],
duration = options.duration / 2,
placeholder = $.effects.createPlaceholder( element ),
start = element.cssClip(),
animation1 = { clip: $.extend( {}, start ) },
animation2 = { clip: $.extend( {}, start ) },
distance = [ start[ ref[ 0 ] ], start[ ref[ 1 ] ] ],
queuelen = element.queue().length;
size = parseInt( percent[ 1 ], 10 ) / 100 * distance[ hide ? 0 : 1 ];
animation1.clip[ ref[ 0 ] ] = size;
animation2.clip[ ref[ 0 ] ] = size;
animation2.clip[ ref[ 1 ] ] = 0;
element.cssClip( animation2.clip );
placeholder.css( $.effects.clipToBox( animation2 ) );
.queue( function( next ) {
.animate( $.effects.clipToBox( animation1 ), duration, options.easing )
.animate( $.effects.clipToBox( animation2 ), duration, options.easing );
.animate( animation1, duration, options.easing )
.animate( animation2, duration, options.easing )
$.effects.unshift( element, queuelen, 4 );