1/*!
  2 * jQuery UI Effects Drop 1.13.3
  3 * https://jqueryui.com
  4 *
  5 * Copyright OpenJS Foundation and other contributors
  6 * Released under the MIT license.
  7 * https://jquery.org/license
  8 */
  9
 10//>>label: Drop Effect
 11//>>group: Effects
 12//>>description: Moves an element in one direction and hides it at the same time.
 13//>>docs: https://api.jqueryui.com/drop-effect/
 14//>>demos: https://jqueryui.com/effect/
 15
 16( function( factory ) {
 17	"use strict";
 18
 19	if ( typeof define === "function" && define.amd ) {
 20
 21		// AMD. Register as an anonymous module.
 22		define( [
 23			"jquery",
 24			"../version",
 25			"../effect"
 26		], factory );
 27	} else {
 28
 29		// Browser globals
 30		factory( jQuery );
 31	}
 32} )( function( $ ) {
 33"use strict";
 34
 35return $.effects.define( "drop", "hide", function( options, done ) {
 36
 37	var distance,
 38		element = $( this ),
 39		mode = options.mode,
 40		show = mode === "show",
 41		direction = options.direction || "left",
 42		ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
 43		motion = ( direction === "up" || direction === "left" ) ? "-=" : "+=",
 44		oppositeMotion = ( motion === "+=" ) ? "-=" : "+=",
 45		animation = {
 46			opacity: 0
 47		};
 48
 49	$.effects.createPlaceholder( element );
 50
 51	distance = options.distance ||
 52		element[ ref === "top" ? "outerHeight" : "outerWidth" ]( true ) / 2;
 53
 54	animation[ ref ] = motion + distance;
 55
 56	if ( show ) {
 57		element.css( animation );
 58
 59		animation[ ref ] = oppositeMotion + distance;
 60		animation.opacity = 1;
 61	}
 62
 63	// Animate
 64	element.animate( animation, {
 65		queue: false,
 66		duration: options.duration,
 67		easing: options.easing,
 68		complete: done
 69	} );
 70} );
 71
 72} );
 73