ember-radio-group
Version:
Accessible radio-group component
315 lines (314 loc) • 9.04 kB
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<title>Code coverage report for addon/components/radio-group.js</title>
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<a href="../../index.html">all files</a> / <a href="index.html">addon/components/</a> radio-group.js
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import Component from '@ember/component';
import layout from '../templates/components/radio-group';
const KEYCODES = {
'SPACE': 32,
'LEFT': 37,
'UP': 38,
'RIGHT': 39,
'DOWN': 40,
};
/**
* Radio Group Component
*/
export default Component.extend({
layout,
groupOptions: null,
checkedValue: null,
checkedValueIndex: null,
activeRadioElement: null,
init() {
this._super(...arguments);
this.groupOptions.forEach((option, index) => {
if (option.value === this.checkedValue) {
this.set('checkedValueIndex', index);
}
})
},
keyDown(e) {
if (e.keyCode === KEYCODES.UP || e.keyCode === KEYCODES.DOWN) {
e.preventDefault();
}
},
keyUp(e) {
if (e.keyCode === KEYCODES.UP || e.keyCode === KEYCODES.LEFT) {
// Check previous option on Up|Left
if (this.checkedValueIndex <= 0) {
// Wrap to start
this.set('checkedValue', this.groupOptions[this.groupOptions.length - 1].value);
this.set('checkedValueIndex', this.groupOptions.length - 1);
} else {
this.set('checkedValue', this.groupOptions[this.checkedValueIndex - 1].value);
this.set('checkedValueIndex', this.checkedValueIndex - 1);
}
} else if (e.keyCode === KEYCODES.DOWN || e.keyCode === KEYCODES.RIGHT) {
// Check next option on Down|Right
if (this.checkedValueIndex >= this.groupOptions.length - 1) {
// Wrap to start
this.set('checkedValue', this.groupOptions[0].value);
this.set('checkedValueIndex', 0);
} else {
this.set('checkedValue', this.groupOptions[this.checkedValueIndex + 1].value);
this.set('checkedValueIndex', this.checkedValueIndex + 1);
}
}
// Focus new Element
const newElement = document.querySelector('[role="radio"][data-value-index="' + this.checkedValueIndex + '"]');
newElement.focus();
this.changed(this.groupOptions[this.checkedValueIndex].value);
e.preventDefault();
},
click(e) {
const target = e.target;
if (target.className === "radiogroup__label") return;
this.set('checkedValue', target.getAttribute('data-value'));
this.set('checkedValueIndex', parseInt(target.getAttribute('data-value-index')));
this.changed(target.getAttribute('data-value'));
},
});
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Code coverage
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