/*!

 * jQuery UI Effects Fold 1.12.1

 * http://jqueryui.com

 *

 * Copyright jQuery Foundation and other contributors

 * Released under the MIT license.

 * http://jquery.org/license

 */

//>>label: Fold Effect

//>>group: Effects

//>>description: Folds an element first horizontally and then vertically.

//>>docs: http://api.jqueryui.com/fold-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( "fold", "hide", function( options, done ) {

	// Create element

	var element = $( this ),

		mode = options.mode,

		show = mode === "show",

		hide = mode === "hide",

		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;

	if ( percent ) {

		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;

	if ( show ) {

		element.cssClip( animation2.clip );

		if ( placeholder ) {

			placeholder.css( $.effects.clipToBox( animation2 ) );

		}

		animation2.clip = start;

	}

	// Animate

	element

		.queue( function( next ) {

			if ( placeholder ) {

				placeholder

					.animate( $.effects.clipToBox( animation1 ), duration, options.easing )

					.animate( $.effects.clipToBox( animation2 ), duration, options.easing );

			}

			next();

		} )

		.animate( animation1, duration, options.easing )

		.animate( animation2, duration, options.easing )

		.queue( done );

	$.effects.unshift( element, queuelen, 4 );

} );

} ) );