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update other tabs boxes when one is updated

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Jesse de Wit
2023-08-04 18:03:24 +02:00
parent 2f9fe197d5
commit 16dd012dcb
1 changed files with 20 additions and 4 deletions
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24
tabs.js
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@@ -86,13 +86,14 @@
this._boundOnTitleClick = this._onTitleClick.bind(this); this._boundOnTitleClick = this._onTitleClick.bind(this);
tabsSlot.addEventListener('click', this._boundOnTitleClick); tabsSlot.addEventListener('click', this._boundOnTitleClick);
document.addEventListener('mdbook-category-changed', this._onSiblingCategoryChanged.bind(this));
this.selected = this._findFirstSelectedTab() || this._findStoredSelectedTab() || 0; this.selected = this._findFirstSelectedTab() || this._findStoredSelectedTab() || 0;
} }
disconnectedCallback() { disconnectedCallback() {
const tabsSlot = this.shadowRoot.querySelector('#tabsSlot'); const tabsSlot = this.shadowRoot.querySelector('#tabsSlot');
tabsSlot.removeEventListener('click', this._boundOnTitleClick); tabsSlot.removeEventListener('click', this._boundOnTitleClick);
document.removeEventListener('mdbook-category-changed', this._onSiblingCategoryChanged.bind(this));
} }
_onTitleClick(e) { _onTitleClick(e) {
@@ -130,18 +131,33 @@
return selectedIdx; return selectedIdx;
} }
_selectTab(idx = null) { _selectTab(idx = null, propagate = true) {
let category = this.getAttribute("category");
for (let i = 0, tab; tab = this.tabs[i]; ++i) { for (let i = 0, tab; tab = this.tabs[i]; ++i) {
let select = i === idx; let select = i === idx;
tab.setAttribute('tabindex', select ? 0 : -1); tab.setAttribute('tabindex', select ? 0 : -1);
tab.setAttribute('aria-selected', select); tab.setAttribute('aria-selected', select);
this.panels[i].setAttribute('aria-hidden', !select); this.panels[i].setAttribute('aria-hidden', !select);
if (select && this.getAttribute("category") && tab.textContent) { if (select && category && tab.textContent) {
try { localStorage.setItem('mdbook-tabs-' + this.getAttribute("category"), tab.textContent); } catch (e) { } try { localStorage.setItem('mdbook-tabs-' + category, tab.textContent); } catch (e) { }
} }
} }
if (propagate) {
document.dispatchEvent(new CustomEvent(
'mdbook-category-changed',
{ detail: { category: category, idx: idx }}
));
}
} }
_onSiblingCategoryChanged(e) {
let category = this.getAttribute("category")
if (category === e.detail.category) {
this._selectTab(e.detail.idx, false);
this.setAttribute('selected', e.detail.idx);
}
}
}); });
})(); })();