2 * jQuery UI Effects Bounce 1.8
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4 * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
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5 * Dual licensed under the MIT (MIT-LICENSE.txt)
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6 * and GPL (GPL-LICENSE.txt) licenses.
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8 * http://docs.jquery.com/UI/Effects/Bounce
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11 * jquery.effects.core.js
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15 $.effects.bounce = function(o) {
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17 return this.queue(function() {
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20 var el = $(this), props = ['position','top','left'];
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23 var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode
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24 var direction = o.options.direction || 'up'; // Default direction
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25 var distance = o.options.distance || 20; // Default distance
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26 var times = o.options.times || 5; // Default # of times
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27 var speed = o.duration || 250; // Default speed per bounce
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28 if (/show|hide/.test(mode)) props.push('opacity'); // Avoid touching opacity to prevent clearType and PNG issues in IE
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31 $.effects.save(el, props); el.show(); // Save & Show
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32 $.effects.createWrapper(el); // Create Wrapper
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33 var ref = (direction == 'up' || direction == 'down') ? 'top' : 'left';
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34 var motion = (direction == 'up' || direction == 'left') ? 'pos' : 'neg';
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35 var distance = o.options.distance || (ref == 'top' ? el.outerHeight({margin:true}) / 3 : el.outerWidth({margin:true}) / 3);
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36 if (mode == 'show') el.css('opacity', 0).css(ref, motion == 'pos' ? -distance : distance); // Shift
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37 if (mode == 'hide') distance = distance / (times * 2);
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38 if (mode != 'hide') times--;
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41 if (mode == 'show') { // Show Bounce
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42 var animation = {opacity: 1};
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43 animation[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
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44 el.animate(animation, speed / 2, o.options.easing);
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45 distance = distance / 2;
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48 for (var i = 0; i < times; i++) { // Bounces
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49 var animation1 = {}, animation2 = {};
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50 animation1[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
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51 animation2[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
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52 el.animate(animation1, speed / 2, o.options.easing).animate(animation2, speed / 2, o.options.easing);
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53 distance = (mode == 'hide') ? distance * 2 : distance / 2;
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55 if (mode == 'hide') { // Last Bounce
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56 var animation = {opacity: 0};
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57 animation[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
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58 el.animate(animation, speed / 2, o.options.easing, function(){
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60 $.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
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61 if(o.callback) o.callback.apply(this, arguments); // Callback
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64 var animation1 = {}, animation2 = {};
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65 animation1[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
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66 animation2[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
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67 el.animate(animation1, speed / 2, o.options.easing).animate(animation2, speed / 2, o.options.easing, function(){
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68 $.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
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69 if(o.callback) o.callback.apply(this, arguments); // Callback
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72 el.queue('fx', function() { el.dequeue(); });
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