1 /*!

     2  * jQuery UI Effects Drop 1.12.1

     3  * http://jqueryui.com

     4  *

     5  * Copyright jQuery Foundation and other contributors

     6  * Released under the MIT license.

     7  * http://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: http://api.jqueryui.com/drop-effect/

    14 //>>demos: http://jqueryui.com/effect/

    15 

    16 ( function( factory ) {

    17 	if ( typeof define === "function" && define.amd ) {

    18 

    19 		// AMD. Register as an anonymous module.

    20 		define( [

    21 			"jquery",

    22 			"./effect"

    23 		], factory );

    24 	} else {

    25 

    26 		// Browser globals

    27 		factory( jQuery );

    28 	}

    29 }( function( $ ) {

    30 

    31 return $.effects.define( "drop", "hide", function( options, done ) {

    32 

    33 	var distance,

    34 		element = $( this ),

    35 		mode = options.mode,

    36 		show = mode === "show",

    37 		direction = options.direction || "left",

    38 		ref = ( direction === "up" || direction === "down" ) ? "top" : "left",

    39 		motion = ( direction === "up" || direction === "left" ) ? "-=" : "+=",

    40 		oppositeMotion = ( motion === "+=" ) ? "-=" : "+=",

    41 		animation = {

    42 			opacity: 0

    43 		};

    44 

    45 	$.effects.createPlaceholder( element );

    46 

    47 	distance = options.distance ||

    48 		element[ ref === "top" ? "outerHeight" : "outerWidth" ]( true ) / 2;

    49 

    50 	animation[ ref ] = motion + distance;

    51 

    52 	if ( show ) {

    53 		element.css( animation );

    54 

    55 		animation[ ref ] = oppositeMotion + distance;

    56 		animation.opacity = 1;

    57 	}

    58 

    59 	// Animate

    60 	element.animate( animation, {

    61 		queue: false,

    62 		duration: options.duration,

    63 		easing: options.easing,

    64 		complete: done

    65 	} );

    66 } );

    67 

    68 } ) );