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78 lines
1.8 KiB
JavaScript
78 lines
1.8 KiB
JavaScript
/*!
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* jQuery UI Effects Shake @VERSION
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* http://jqueryui.com
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*
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* Copyright OpenJS 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: Shake Effect
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//>>group: Effects
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//>>description: Shakes an element horizontally or vertically n times.
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//>>docs: http://api.jqueryui.com/shake-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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"../version",
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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( "shake", function( options, done ) {
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var i = 1,
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element = $( this ),
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direction = options.direction || "left",
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distance = options.distance || 20,
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times = options.times || 3,
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anims = times * 2 + 1,
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speed = Math.round( options.duration / anims ),
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ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
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positiveMotion = ( direction === "up" || direction === "left" ),
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animation = {},
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animation1 = {},
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animation2 = {},
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queuelen = element.queue().length;
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$.effects.createPlaceholder( element );
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// Animation
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animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
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animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
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animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;
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// Animate
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element.animate( animation, speed, options.easing );
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// Shakes
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for ( ; i < times; i++ ) {
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element
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.animate( animation1, speed, options.easing )
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.animate( animation2, speed, options.easing );
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}
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element
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.animate( animation1, speed, options.easing )
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.animate( animation, speed / 2, options.easing )
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.queue( done );
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$.effects.unshift( element, queuelen, anims + 1 );
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} );
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} );
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