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68 lines
1.5 KiB
JavaScript
68 lines
1.5 KiB
JavaScript
/*!
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* jQuery UI Effects Pulsate @VERSION
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* https://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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* https://jquery.org/license
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*/
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//>>label: Pulsate Effect
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//>>group: Effects
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//>>description: Pulsates an element n times by changing the opacity to zero and back.
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//>>docs: https://api.jqueryui.com/pulsate-effect/
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//>>demos: https://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( "pulsate", "show", function( options, done ) {
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var element = $( this ),
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mode = options.mode,
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show = mode === "show",
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hide = mode === "hide",
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showhide = show || hide,
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// Showing or hiding leaves off the "last" animation
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anims = ( ( options.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),
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duration = options.duration / anims,
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animateTo = 0,
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i = 1,
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queuelen = element.queue().length;
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if ( show || !element.is( ":visible" ) ) {
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element.css( "opacity", 0 ).show();
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animateTo = 1;
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}
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// Anims - 1 opacity "toggles"
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for ( ; i < anims; i++ ) {
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element.animate( { opacity: animateTo }, duration, options.easing );
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animateTo = 1 - animateTo;
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}
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element.animate( { opacity: animateTo }, duration, options.easing );
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element.queue( done );
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$.effects.unshift( element, queuelen, anims + 1 );
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} );
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} );
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