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1 /* |
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2 * jQuery UI Effects Bounce 1.8.1 |
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3 * |
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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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7 * |
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8 * http://docs.jquery.com/UI/Effects/Bounce |
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9 * |
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10 * Depends: |
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11 * jquery.effects.core.js |
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12 */ |
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13 (function($) { |
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14 |
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15 $.effects.bounce = function(o) { |
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16 |
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17 return this.queue(function() { |
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18 |
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19 // Create element |
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20 var el = $(this), props = ['position','top','left']; |
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21 |
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22 // Set options |
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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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29 |
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30 // Adjust |
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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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39 |
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40 // Animate |
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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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46 times--; |
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47 }; |
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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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54 }; |
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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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59 el.hide(); // Hide |
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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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62 }); |
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63 } else { |
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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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70 }); |
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71 }; |
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72 el.queue('fx', function() { el.dequeue(); }); |
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73 el.dequeue(); |
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74 }); |
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75 |
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76 }; |
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77 |
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78 })(jQuery); |