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torben |
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/*! |
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* jQuery UI Effects Bounce 1.10.3 |
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* http://jqueryui.com |
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* |
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* Copyright 2013 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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* http://api.jqueryui.com/bounce-effect/ |
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* |
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* Depends: |
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* jquery.ui.effect.js |
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*/ |
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(function( $, undefined ) { |
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$.effects.effect.bounce = function( o, done ) { |
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var el = $( this ), |
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props = [ "position", "top", "bottom", "left", "right", "height", "width" ], |
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// defaults: |
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mode = $.effects.setMode( el, o.mode || "effect" ), |
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hide = mode === "hide", |
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show = mode === "show", |
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direction = o.direction || "up", |
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distance = o.distance, |
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times = o.times || 5, |
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// number of internal animations |
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anims = times * 2 + ( show || hide ? 1 : 0 ), |
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speed = o.duration / anims, |
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easing = o.easing, |
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// utility: |
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ref = ( direction === "up" || direction === "down" ) ? "top" : "left", |
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motion = ( direction === "up" || direction === "left" ), |
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i, |
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upAnim, |
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downAnim, |
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// we will need to re-assemble the queue to stack our animations in place |
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queue = el.queue(), |
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queuelen = queue.length; |
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// Avoid touching opacity to prevent clearType and PNG issues in IE |
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if ( show || hide ) { |
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props.push( "opacity" ); |
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} |
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$.effects.save( el, props ); |
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el.show(); |
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$.effects.createWrapper( el ); // Create Wrapper |
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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 = el[ 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 ] = 0; |
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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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el.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 ] = 0; |
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// Bounces up/down/left/right then back to 0 -- times * 2 animations happen here |
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for ( i = 0; i < times; i++ ) { |
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upAnim = {}; |
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upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance; |
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el.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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el.animate( upAnim, speed, easing ); |
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} |
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el.queue(function() { |
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if ( hide ) { |
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el.hide(); |
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} |
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$.effects.restore( el, props ); |
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$.effects.removeWrapper( el ); |
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done(); |
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}); |
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// inject all the animations we just queued to be first in line (after "inprogress") |
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if ( queuelen > 1) { |
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queue.splice.apply( queue, |
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[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) ); |
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} |
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el.dequeue(); |
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}; |
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})(jQuery); |
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