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79 lines
1.7 KiB
JavaScript
79 lines
1.7 KiB
JavaScript
/*!
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* jQuery UI Effects Pulsate @VERSION
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* http://jqueryui.com
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*
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* Copyright 2014 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: 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: http://api.jqueryui.com/pulsate-effect/
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//>>demos: http://jqueryui.com/effect/
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(function( factory ) {
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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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return $.effects.effect.pulsate = function( o, done ) {
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var elem = $( this ),
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mode = $.effects.setMode( elem, o.mode || "show" ),
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show = mode === "show",
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hide = mode === "hide",
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showhide = ( show || mode === "hide" ),
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// showing or hiding leaves of the "last" animation
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anims = ( ( o.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),
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duration = o.duration / anims,
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animateTo = 0,
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queue = elem.queue(),
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queuelen = queue.length,
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i;
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if ( show || !elem.is(":visible")) {
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elem.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 = 1; i < anims; i++ ) {
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elem.animate({
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opacity: animateTo
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}, duration, o.easing );
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animateTo = 1 - animateTo;
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}
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elem.animate({
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opacity: animateTo
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}, duration, o.easing);
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elem.queue(function() {
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if ( hide ) {
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elem.hide();
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}
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done();
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});
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// We just queued up "anims" animations, we need to put them next in the queue
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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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elem.dequeue();
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};
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}));
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