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1 /*!
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2 * jQuery UI Effects Pulsate 1.10.4
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3 * http://jqueryui.com
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4 *
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5 * Copyright 2014 jQuery Foundation and other contributors
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6 * Released under the MIT license.
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7 * http://jquery.org/license
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8 *
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9 * http://api.jqueryui.com/pulsate-effect/
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10 *
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11 * Depends:
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12 * jquery.ui.effect.js
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13 */
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14 (function( $, undefined ) {
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15
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16 $.effects.effect.pulsate = function( o, done ) {
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17 var elem = $( this ),
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18 mode = $.effects.setMode( elem, o.mode || "show" ),
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19 show = mode === "show",
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20 hide = mode === "hide",
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21 showhide = ( show || mode === "hide" ),
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22
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23 // showing or hiding leaves of the "last" animation
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24 anims = ( ( o.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),
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25 duration = o.duration / anims,
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26 animateTo = 0,
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27 queue = elem.queue(),
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28 queuelen = queue.length,
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29 i;
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30
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31 if ( show || !elem.is(":visible")) {
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32 elem.css( "opacity", 0 ).show();
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33 animateTo = 1;
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34 }
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35
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36 // anims - 1 opacity "toggles"
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37 for ( i = 1; i < anims; i++ ) {
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38 elem.animate({
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39 opacity: animateTo
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40 }, duration, o.easing );
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41 animateTo = 1 - animateTo;
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42 }
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43
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44 elem.animate({
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45 opacity: animateTo
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46 }, duration, o.easing);
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47
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48 elem.queue(function() {
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49 if ( hide ) {
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50 elem.hide();
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51 }
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52 done();
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53 });
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54
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55 // We just queued up "anims" animations, we need to put them next in the queue
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56 if ( queuelen > 1 ) {
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57 queue.splice.apply( queue,
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58 [ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
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59 }
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60 elem.dequeue();
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61 };
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62
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63 })(jQuery);
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