1 | <!DOCTYPE html>
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2 | <html lang="en">
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3 | <head>
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4 | <meta charset="utf-8">
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5 | <title>jQuery UI Effects - Easing demo</title>
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6 | <link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
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7 | <script src="../../jquery-1.6.2.js"></script>
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8 | <script src="../../ui/jquery.effects.core.js"></script>
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9 | <link rel="stylesheet" href="../demos.css">
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10 | <style>
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11 | .graph {
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12 | float: left;
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13 | margin-left: 10px;
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14 | }
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15 | </style>
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16 | <script>
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17 | $(function() {
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18 | if ( !$( "<canvas/>" )[0].getContext ) {
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19 | $( "<div/>" ).text(
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20 | "Your browser doesn't support canvas, which is required for this demo. " +
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21 | "Give Firefox 3 a try!"
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22 | ).appendTo( "#graphs" );
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23 | return;
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24 | }
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25 |
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26 | var i = 0,
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27 | width = 100,
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28 | height = 100;
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29 | $.each( $.easing, function( name, impl ) {
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30 | // skip linear/jswing and any non functioning implementation
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31 | if ( !$.isFunction( impl ) || /jswing/.test( name ) ) {
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32 | return;
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33 | }
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34 | var graph = $( "<div/>" ).addClass( "graph" ).appendTo( "#graphs" ),
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35 | text = $( "<div/>" ).text( ++i + ". " + name ).appendTo( graph ),
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36 | wrap = $( "<div/>" ).appendTo( graph ).css( 'overflow', 'hidden' ),
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37 | canvas = $( "<canvas/>" ).appendTo( wrap )[ 0 ];
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38 | canvas.width = width;
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39 | canvas.height = height;
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40 | var drawHeight = height * 0.8,
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41 | cradius = 10;
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42 | ctx = canvas.getContext( "2d" );
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43 | ctx.fillStyle = "black";
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44 |
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45 | ctx.beginPath();
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46 | ctx.moveTo( cradius, 0 );
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47 | ctx.quadraticCurveTo( 0, 0, 0, cradius );
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48 | ctx.lineTo( 0, height - cradius );
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49 | ctx.quadraticCurveTo( 0, height, cradius, height );
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50 | ctx.lineTo( width - cradius, height );
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51 | ctx.quadraticCurveTo( width, height, width, height - cradius );
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52 | ctx.lineTo( width, 0 );
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53 | ctx.lineTo( cradius, 0 );
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54 | ctx.fill();
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55 |
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56 | ctx.strokeStyle = "#555";
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57 | ctx.beginPath();
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58 | ctx.moveTo( width * 0.1, drawHeight + .5 );
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59 | ctx.lineTo( width * 0.9, drawHeight + .5 );
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60 | ctx.stroke();
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61 |
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62 | ctx.strokeStyle = "#555";
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63 | ctx.beginPath();
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64 | ctx.moveTo( width * 0.1, drawHeight * .3 - .5 );
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65 | ctx.lineTo( width * 0.9, drawHeight * .3 - .5 );
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66 | ctx.stroke();
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67 |
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68 | ctx.strokeStyle = "white";
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69 | ctx.beginPath();
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70 | ctx.lineWidth = 2;
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71 | ctx.moveTo( width * 0.1, drawHeight );
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72 | $.each( new Array( width ), function( position ) {
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73 | var val = impl( 0, position, 0, 1, height );
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74 | if ( /linear|jswing/.test( name ) ) {
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75 | val = position / width;
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76 | }
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77 | ctx.lineTo( position * 0.8 + width * 0.1,
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78 | drawHeight - drawHeight * val * 0.7 );
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79 | });
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80 | ctx.stroke();
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81 | graph.click(function() {
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82 | wrap
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83 | .animate( { height: "hide" }, 2000, name )
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84 | .delay( 800 )
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85 | .animate( { height: "show" }, 2000, name );
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86 | });
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87 |
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88 | graph.width( width ).height( height + text.height() + 10 );
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89 | });
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90 | });
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91 | </script>
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92 | </head>
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93 | <body>
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94 |
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95 | <div class="demo">
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96 |
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97 | <div id="graphs"></div>
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98 |
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99 | </div><!-- End demo -->
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100 |
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101 |
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102 |
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103 | <div class="demo-description">
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104 | <p><strong>All easings provided by jQuery UI are drawn above, using a HTML canvas element</strong>. Click a diagram to see the easing in action.</p>
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105 | </div><!-- End demo-description -->
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106 |
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107 | </body>
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108 | </html>
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