diff --git a/src/application-globals.rkt b/src/application-globals.rkt index de60820a..a4137854 100644 --- a/src/application-globals.rkt +++ b/src/application-globals.rkt @@ -203,10 +203,11 @@ `(script (@ (type "module") (src ,(get-static-url "search-suggestions.js")))) "") (script (@ (type "module") (src ,(get-static-url "countdown.js")))) + (script (@ (defer) (src ,(get-static-url "tabs.js")))) (link (@ (rel "icon") (href ,(u (λ (v) (config-true? 'strict_proxy)) (λ (v) (u-proxy-url v)) (head-data^-icon-url head-data)))))) - (body (@ (class ,(head-data^-body-class head-data))) + (body (@ (class ,(head-data^-body-class head-data) " bw-tabs-nojs")) ,(let ([extension-eligible? (cond/var [(not req) #f] diff --git a/static/main.css b/static/main.css index cb32df5a..6b07d2b8 100644 --- a/static/main.css +++ b/static/main.css @@ -202,11 +202,11 @@ figcaption, .lightbox-caption, .thumbcaption { padding: 0; } -/* show tabs always */ -.wds-tabs__wrapper { +/* show tabs if tabs.js isn't loaded */ +.bw-tabs-nojs .wds-tabs__wrapper { display: none; } -.wds-tab__content { +.bw-tabs-nojs .wds-tab__content { display: block; } diff --git a/static/tabs.js b/static/tabs.js new file mode 100644 index 00000000..589261d9 --- /dev/null +++ b/static/tabs.js @@ -0,0 +1,63 @@ +"use strict"; + +function handleTabber(tabber) { + let [tabs, contents] = getTabs(tabber); + + for (let i in tabs) { + let tab = tabs[i]; + let content = contents[i]; + tab.addEventListener("click", function(e) { + let [currentTab, currentContent] = getCurrentTab(tabber); + if (currentTab) { + currentTab.classList.remove("wds-is-current"); + } + if (currentContent) { + currentContent.classList.remove("wds-is-current"); + } + + tab.classList.add("wds-is-current"); + content.classList.add("wds-is-current"); + e.preventDefault(); + }); + } +} + +for (let tabber of document.body.querySelectorAll(".wds-tabber")) { + handleTabber(tabber); +} +document.body.classList.remove("bw-tabs-nojs"); + + + +function getTabs(tabber) { + let tabs = []; + let contents = []; + + for (let i of tabber.querySelector(".wds-tabs__wrapper").querySelectorAll(".wds-tabs__tab")) { + tabs.push(i); + } + for (let i of tabber.children) { + if (!i.matches(".wds-tab__content")) { + continue; + } + contents.push(i); + } + + return [tabs, contents]; +} + +function getCurrentTab(tabber) { + let tab = null; + let content = null; + + tab = tabber.querySelector(".wds-tabs__wrapper").querySelector(".wds-tabs__tab.wds-is-current"); + for (let i of tabber.children) { + if (!i.matches(".wds-tab__content.wds-is-current")) { + continue; + } + content = i; + break; + } + + return [tab, content]; +}