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1468ecf294
This is a follow up of MDL-75908 because a Behat tests with the Chrome driver was failing and it could be traced back to the changes of MDL-750908. There was no issue with the Firefox driver and apparently no issue when using the Chrome browser under normal circumstances.
12 lines
4.5 KiB
JavaScript
12 lines
4.5 KiB
JavaScript
define("core/menu_navigation",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
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/**
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* Keyboard initialization for a given html node.
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*
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* @module core/menu_navigation
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* @copyright 2021 Moodle
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* @author Mathew May <mathew.solutions>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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const SELECTORS_menuitem='[role="menuitem"]',SELECTORS_tab='[role="tab"]',SELECTORS_dropdowntoggle='[data-toggle="dropdown"]',SELECTORS_primarymenuitemactive='.primary-navigation .dropdown-item[aria-current="true"]';let openDropdownNode=null;const clickErrorHandler=(item,fallback)=>null!==item?item:fallback,menuItemHelper=src=>{let parent;if(!src.dataset.disableactive){if(src.classList.contains("dropdown-item")){parent=src.closest(".dropdown-menu");const dropDownToggle=document.getElementById(parent.getAttribute("aria-labelledby"));dropDownToggle.classList.add("active"),dropDownToggle.setAttribute("tabindex",0)}else{if(!src.matches("".concat(SELECTORS_tab,",").concat(SELECTORS_menuitem))||src.matches(SELECTORS_dropdowntoggle))return;parent=src.parentElement.parentElement.querySelector(".dropdown-menu")}Array.prototype.forEach.call(parent.children,(node=>{const menuItem=node.querySelector(SELECTORS_menuitem);null!==menuItem&&(menuItem.classList.remove("active"),menuItem.removeAttribute("aria-current"))})),"menuitem"===src.getAttribute("role")&&src.setAttribute("aria-current","true")}},keyboardListenerEvents=e=>{const src=e.srcElement,firstNode=e.currentTarget.firstElementChild,lastNode=findUsableLastNode(e.currentTarget);if(src.classList.contains("dropdown-item"))"ArrowRight"!=e.key&&"ArrowLeft"!=e.key||(e.preventDefault(),null!==openDropdownNode&&openDropdownNode.parentElement.click())," "!=e.key&&"Enter"!=e.key||(e.preventDefault(),menuItemHelper(src),src.parentElement.classList.contains("dropdown")||src.click());else{const rtl=window.right_to_left(),arrowNext=rtl?"ArrowLeft":"ArrowRight",arrowPrevious=rtl?"ArrowRight":"ArrowLeft";"menuitem"===src.getAttribute("role")&&(e.key==arrowNext&&(e.preventDefault(),setFocusNext(src,firstNode)),e.key==arrowPrevious&&(e.preventDefault(),setFocusPrev(src,lastNode)),"ArrowUp"!=e.key&&"ArrowDown"!=e.key||(openDropdownNode=src,e.preventDefault()),"Home"==e.key&&(e.preventDefault(),setFocusHomeEnd(firstNode)),"End"==e.key&&(e.preventDefault(),setFocusHomeEnd(lastNode)))," "!=e.key&&"Enter"!=e.key||(e.preventDefault(),src.parentElement.classList.contains("dropdown")||src.click())}},clickListenerEvents=e=>{const src=e.srcElement;menuItemHelper(src)};_exports.default=elementRoot=>{elementRoot.removeEventListener("keydown",keyboardListenerEvents),elementRoot.removeEventListener("click",clickListenerEvents),elementRoot.addEventListener("keydown",keyboardListenerEvents),elementRoot.addEventListener("click",clickListenerEvents)},window.addEventListener("pageshow",(function(){const items=document.querySelectorAll(SELECTORS_primarymenuitemactive);null!==items&&items.length>1&&items.forEach((function(e){const href=e.getAttribute("href"),windowHref=window.location.href||"",windowPath=window.location.pathname||"";href!==windowHref&&href!==windowPath&&href!==windowHref+"/index.php"&&href!==windowPath+"index.php"&&(e.classList.remove("active"),e.removeAttribute("aria-current"))}))}));const setFocusNext=(currentNode,firstNode)=>{const listElement=currentNode.parentElement,nextListItem=(el=>{do{el=el.nextElementSibling}while(el&&!el.offsetHeight);return el})(listElement),nodeToSelect=clickErrorHandler(nextListItem,firstNode),itemSelector="tablist"===listElement.parentElement.getAttribute("role")?SELECTORS_tab:SELECTORS_menuitem;nodeToSelect.querySelector(itemSelector).focus()},setFocusPrev=(currentNode,lastNode)=>{const listElement=currentNode.parentElement,nextListItem=(el=>{do{el=el.previousElementSibling}while(el&&!el.offsetHeight);return el})(listElement),nodeToSelect=clickErrorHandler(nextListItem,lastNode),itemSelector="tablist"===listElement.parentElement.getAttribute("role")?SELECTORS_tab:SELECTORS_menuitem;nodeToSelect.querySelector(itemSelector).focus()},setFocusHomeEnd=node=>{node.querySelector(SELECTORS_menuitem).focus()},findUsableLastNode=elementRoot=>{if(elementRoot.lastElementChild.classList.contains("d-none")){const nodesToUse=Array.prototype.map.call(elementRoot.children,(node=>node)).reverse().filter((node=>{if(!node.classList.contains("d-none"))return node}));return 0!==nodesToUse.length?nodesToUse[0]:elementRoot.firstElementChild}return elementRoot.lastElementChild};return _exports.default}));
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//# sourceMappingURL=menu_navigation.min.js.map
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