113 líneas
2,6 KiB
JavaScript
113 líneas
2,6 KiB
JavaScript
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/*!
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* jQuery UI Effects Bounce 1.13.2
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* http://jqueryui.com
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*
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* Copyright jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*/
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//>>label: Bounce Effect
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//>>group: Effects
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//>>description: Bounces an element horizontally or vertically n times.
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//>>docs: http://api.jqueryui.com/bounce-effect/
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//>>demos: http://jqueryui.com/effect/
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( function( factory ) {
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"use strict";
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define( [
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"jquery",
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"./effect"
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], factory );
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} else {
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// Browser globals
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factory( jQuery );
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}
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} )( function( $ ) {
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"use strict";
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return $.effects.define( "bounce", function( options, done ) {
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var upAnim, downAnim, refValue,
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element = $( this ),
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// Defaults:
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mode = options.mode,
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hide = mode === "hide",
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show = mode === "show",
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direction = options.direction || "up",
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distance = options.distance,
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times = options.times || 5,
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// Number of internal animations
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anims = times * 2 + ( show || hide ? 1 : 0 ),
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speed = options.duration / anims,
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easing = options.easing,
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// Utility:
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ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
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motion = ( direction === "up" || direction === "left" ),
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i = 0,
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queuelen = element.queue().length;
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$.effects.createPlaceholder( element );
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refValue = element.css( ref );
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// Default distance for the BIGGEST bounce is the outer Distance / 3
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if ( !distance ) {
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distance = element[ ref === "top" ? "outerHeight" : "outerWidth" ]() / 3;
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}
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if ( show ) {
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downAnim = { opacity: 1 };
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downAnim[ ref ] = refValue;
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// If we are showing, force opacity 0 and set the initial position
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// then do the "first" animation
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element
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.css( "opacity", 0 )
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.css( ref, motion ? -distance * 2 : distance * 2 )
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.animate( downAnim, speed, easing );
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}
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// Start at the smallest distance if we are hiding
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if ( hide ) {
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distance = distance / Math.pow( 2, times - 1 );
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}
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downAnim = {};
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downAnim[ ref ] = refValue;
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// Bounces up/down/left/right then back to 0 -- times * 2 animations happen here
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for ( ; i < times; i++ ) {
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upAnim = {};
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upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;
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element
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.animate( upAnim, speed, easing )
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.animate( downAnim, speed, easing );
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distance = hide ? distance * 2 : distance / 2;
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}
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// Last Bounce when Hiding
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if ( hide ) {
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upAnim = { opacity: 0 };
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upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;
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element.animate( upAnim, speed, easing );
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}
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element.queue( done );
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$.effects.unshift( element, queuelen, anims + 1 );
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} );
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} );
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