1 | /*
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2 | * jQuery UI Effects Bounce 1.8rc1
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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);
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