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| /*! |
| * jQuery UI Effects Bounce 1.12.1 |
| * http://jqueryui.com |
| * |
| * Copyright 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", |
| "../version", |
| "../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 ); |
| } ); |
| |
| } ) ); |
