45 lines
1.2 KiB
JavaScript
Vendored
45 lines
1.2 KiB
JavaScript
Vendored
//a11y.css.js
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let checkbox = document.querySelector('input[name="a11y.css"]');
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checkbox.addEventListener('change', function () {
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if (this.checked) {
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addA11yCss();
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} else {
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removeA11yCss();
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}
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});
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function addA11yCss() {
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let exists = a11yCssExists();
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if (exists == false) {
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//add a11y.css link
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let link = document.createElement('link');
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link.setAttribute('rel', 'stylesheet');
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link.setAttribute('href', '/assets/frontend/a11y.css/a11y-en.css');
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let head = document.querySelector('head');
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head.appendChild(link);
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}
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}
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function removeA11yCss() {
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let exists = a11yCssExists();
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if (exists == true) {
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//remove a11y.css link
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let link = document.querySelector('link[href="/assets/frontend/a11y.css/a11y-en.css"]');
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let head = document.querySelector('head');
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head.removeChild(link);
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}
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}
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function a11yCssExists() {
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let css = document.querySelectorAll('link[rel=stylesheet]');
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let exists = false;
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for (let link of css) {
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if (link.attributes.href.nodeValue == '/assets/frontend/a11y.css/a11y-en.css') {
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exists = true;
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}
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}
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return exists;
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}
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