https://www.zhaw.ch/_assets/476334098594ac1462978859d8e2ba19/Libra…/tabs-automatic.min.js?1790690348

1"use strict";class TabsManual{constructor(groupNode){this.tablistNode=groupNode;this.tabs=[];this.firstTab=null;this.lastTab=null;this.tabs=Array.from(this.tablistNode.querySelectorAll("[role=tab]"));this.tabpanels=[];for(var i=0;i<this.tabs.length;i+=1){var tab=this.tabs[i];var tabpanel=document.getElementById(tab.getAttribute("aria-controls"));tab.tabIndex=-1;tab.setAttribute("aria-selected","false");this.tabpanels.push(tabpanel);tab.addEventListener("keydown",this.onKeydown.bind(this));tab.addEventListener("click",this.onClick.bind(this));if(!this.firstTab){this.firstTab=tab}this.lastTab=tab}this.setSelectedTab(this.firstTab)}setSelectedTab(currentTab){for(var i=0;i<this.tabs.length;i+=1){var tab=this.tabs[i];if(currentTab===tab){tab.setAttribute("aria-selected","true");tab.removeAttribute("tabindex");this.tabpanels[i].classList.remove("is-hidden")}else{tab.setAttribute("aria-selected","false");tab.tabIndex=-1;this.tabpanels[i].classList.add("is-hidden")}}}moveFocusToTab(currentTab){currentTab.focus()}moveFocusToPreviousTab(currentTab){var index;if(currentTab===this.firstTab){this.moveFocusToTab(this.lastTab)}else{index=this.tabs.indexOf(currentTab);this.moveFocusToTab(this.tabs[index-1])}}moveFocusToNextTab(currentTab){var index;if(currentTab===this.lastTab){this.moveFocusToTab(this.firstTab)}else{index=this.tabs.indexOf(currentTab);this.moveFocusToTab(this.tabs[index+1])}}onKeydown(event){var tgt=event.currentTarget,flag=false;switch(event.key){case"ArrowLeft":this.moveFocusToPreviousTab(tgt);flag=true;break;case"ArrowRight":this.moveFocusToNextTab(tgt);flag=true;break;case"Home":this.moveFocusToTab(this.firstTab);flag=true;break;case"End":this.moveFocusToTab(this.lastTab);flag=true;break;default:break}if(flag){event.stopPropagation();event.preventDefault()}}onClick(event){this.setSelectedTab(event.currentTarget)}}window.addEventListener("load",function(){var tablists=document.querySelectorAll("[role=tablist].manual");for(var i=0;i<tablists.length;i++){new TabsManual(tablists[i])}});