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ember-aria-slider

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An accessible slider component in Ember based on WAI-ARIA practices

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<!doctype html> <html lang="en"> <head> <title>Code coverage report for ember-aria-slider/components/aria-slider-thumb.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">all files</a> / <a href="index.html">ember-aria-slider/components/</a> aria-slider-thumb.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">98.55% </span> <span class="quiet">Statements</span> <span class='fraction'>68/69</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Branches</span> <span class='fraction'>23/23</span> </div> <div class='fl pad1y space-right2'> <span class="strong">88.89% </span> <span class="quiet">Functions</span> <span class='fraction'>8/9</span> </div> <div class='fl pad1y space-right2'> <span class="strong">98.55% </span> <span class="quiet">Lines</span> <span class='fraction'>68/69</span> </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180</td><td 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Ember; &nbsp; const RAIL_WIDTH = 300; &nbsp; const THUMB_WIDTH = 8; &nbsp; const KEYCODES = { 'left': 37, 'up': 38, 'right': 39, 'down': 40, 'pageUp': 33, 'pageDown': 34, 'end': 35, 'home': 36 }; &nbsp; &nbsp; export default Component.extend({ layout, classNames: ['thumb'], classNameBindings: ['focusClass:focus'], attributeBindings: [ 'currentValue:aria-valuenow', 'label:aria-label', 'maxValue:aria-valuemax', 'minValue:aria-valuemin', 'role', 'src', 'tabindex', 'valueText:aria-valuetext', 'labelledBy:aria-labelledby' ], role: 'slider', tabindex: 0, focusClass: false, valueText: computed('currentValue', function() { let units = this.get('units') || ''; let _valueText = `${this.get('currentValue')}${units}`; if(this.get('unitPrefix')){ _valueText = `${units}${this.get('currentValue')}`; } return _valueText; }), &nbsp; keyDown(event) { var flag = false; &nbsp; let currentVal = this.get('currentValue'); switch (event.keyCode) { case KEYCODES.left: case KEYCODES.down: this.moveSliderTo(currentVal - 1); flag = true; break; &nbsp; case KEYCODES.right: case KEYCODES.up: this.moveSliderTo(currentVal + 1); flag = true; break; &nbsp; case KEYCODES.pageDown: this.moveSliderTo(currentVal - 10); flag = true; break; &nbsp; case KEYCODES.pageUp: this.moveSliderTo(currentVal + 10); flag = true; break; &nbsp; case KEYCODES.home: this.moveSliderTo(this.get('minValue')); flag = true; break; &nbsp; case KEYCODES.end: this.moveSliderTo(this.get('maxValue')); flag = true; break; &nbsp; default: break; } &nbsp; if (flag) { event.preventDefault(); event.stopPropagation(); } }, &nbsp; mouseDown(e) { &nbsp; let parentNode = e.target.parentNode; let minValue = this.get('minValue'); let maxValue = this.get('maxValue'); &nbsp; let handleMouseMove = (event) =&gt; { &nbsp; let diffX = event.pageX - parentNode.offsetLeft; let valueNow = minValue + parseInt(((maxValue - minValue) * diffX) / RAIL_WIDTH); this.moveSliderTo(valueNow); &nbsp; event.preventDefault(); event.stopPropagation(); }; &nbsp; var handleMouseUp = function() { document.removeEventListener('mousemove', handleMouseMove); document.removeEventListener('mouseup', handleMouseUp); }; &nbsp; // bind a mousemove event handler to move pointer document.addEventListener('mousemove', handleMouseMove); &nbsp; // bind a mouseup event handler to stop tracking mouse movements document.addEventListener('mouseup', handleMouseUp); &nbsp; e.preventDefault(); e.stopPropagation(); &nbsp; // Set focus to the clicked handle e.target.focus(); }, &nbsp; focusIn() { this.set('focusClass', true); }, &nbsp; focusOut<span class="fstat-no" title="function not covered" >() {</span> <span class="cstat-no" title="statement not covered" > this.set('focusClass', false);</span> }, &nbsp; init() { this._super(...arguments); }, &nbsp; didRender() { this.moveSliderTo(this.get('currentValue')); }, &nbsp; moveSliderTo(value) { let minValue = this.get('minValue'); let maxValue = this.get('maxValue'); let _value = value; &nbsp; if (value &lt; minValue) { _value = minValue; } &nbsp; if ( value &gt; maxValue) { _value = maxValue; } &nbsp; this.set('currentValue', _value); &nbsp; if(value &lt; minValue || value &gt; maxValue) { return; } let pos = Math.round((_value * RAIL_WIDTH) / (maxValue - minValue)) - (THUMB_WIDTH / 2); &nbsp; // console.log("pos = ", pos); let left = ''; &nbsp; left = pos + 'px'; // console.log("left = ", left); &nbsp; this.$().css('left', left); &nbsp; } }); &nbsp; &nbsp;</pre></td></tr> </table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Thu Oct 19 2017 12:48:53 GMT+0530 (IST) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../sorter.js"></script> </body> 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