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39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
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import $ from 'jquery';
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import {generateAriaId} from './base.js';
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const ariaPatchKey = '_giteaAriaPatchCheckbox';
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const fomanticCheckboxFn = $.fn.checkbox;
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// use our own `$.fn.checkbox` to patch Fomantic's checkbox module
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export function initAriaCheckboxPatch() {
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if ($.fn.checkbox === ariaCheckboxFn) throw new Error('initAriaCheckboxPatch could only be called once');
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$.fn.checkbox = ariaCheckboxFn;
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ariaCheckboxFn.settings = fomanticCheckboxFn.settings;
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}
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// the patched `$.fn.checkbox` checkbox function
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// * it does the one-time attaching on the first call
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function ariaCheckboxFn(...args) {
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const ret = fomanticCheckboxFn.apply(this, args);
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for (const el of this) {
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if (el[ariaPatchKey]) continue;
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attachInit(el);
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}
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return ret;
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}
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function attachInit(el) {
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// Fomantic UI checkbox needs to be something like: <div class="ui checkbox"><label /><input /></div>
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// It doesn't work well with <label><input />...</label>
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// To make it work with aria, the "id"/"for" attributes are necessary, so add them automatically if missing.
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// In the future, refactor to use native checkbox directly, then this patch could be removed.
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el[ariaPatchKey] = {}; // record that this element has been patched
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const label = el.querySelector('label');
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const input = el.querySelector('input');
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if (!label || !input || input.getAttribute('id')) return;
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const id = generateAriaId();
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input.setAttribute('id', id);
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label.setAttribute('for', id);
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}
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