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add pushState stuff for single.js

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This commit is contained in:
Rhiannon Morris 2020-08-05 01:43:27 +02:00
parent 36ed5063ef
commit d6f7995f4b
1 changed files with 21 additions and 1 deletions
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22
script/single.js
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@ -46,9 +46,26 @@ function setImage(id, src, href, cw) {
mainlink.href = href; mainlink.href = href;
} }
function activateButton(button) { function activateButton(button, doPush = true) {
setImage(button.id, button.value, setImage(button.id, button.value,
button.dataset.link, button.dataset.warning); button.dataset.link, button.dataset.warning);
if (doPush) history.pushState(null, '', '#' + button.id);
}
function useFragment() {
let button = document.querySelector('#alts input');
let frag = document.location.hash.replace(/^#/, '');
if (frag) {
let button0 = document.getElementById(frag);
if (button0) button = button0;
}
if (button) {
button.checked = true;
activateButton(button, false);
}
} }
function setup() { function setup() {
@ -61,6 +78,9 @@ function setup() {
} }
addCWListeners(document.getElementById('cw')); addCWListeners(document.getElementById('cw'));
window.addEventListener('popstate', useFragment);
useFragment();
} }
window.addEventListener('DOMContentLoaded', setup); window.addEventListener('DOMContentLoaded', setup);