angelovcom.net

admin-bar.js (10762B)

---

 /**
  * @output wp-includes/js/admin-bar.js
  */
 /**
  * Admin bar with Vanilla JS, no external dependencies.
  *
  * @since 5.3.1
  *
  * @param {Object} document  The document object.
  * @param {Object} window    The window object.
  * @param {Object} navigator The navigator object.
  *
  * @return {void}
  */
 ( function( document, window, navigator ) {
 	document.addEventListener( 'DOMContentLoaded', function() {
 		var adminBar = document.getElementById( 'wpadminbar' ),
 			topMenuItems,
 			allMenuItems,
 			adminBarLogout,
 			adminBarSearchForm,
 			shortlink,
 			skipLink,
 			mobileEvent,
 			adminBarSearchInput,
 			i;
 
 		if ( ! adminBar || ! ( 'querySelectorAll' in adminBar ) ) {
 			return;
 		}
 
 		topMenuItems = adminBar.querySelectorAll( 'li.menupop' );
 		allMenuItems = adminBar.querySelectorAll( '.ab-item' );
 		adminBarLogout = document.getElementById( 'wp-admin-bar-logout' );
 		adminBarSearchForm = document.getElementById( 'adminbarsearch' );
 		shortlink = document.getElementById( 'wp-admin-bar-get-shortlink' );
 		skipLink = adminBar.querySelector( '.screen-reader-shortcut' );
 		mobileEvent = /Mobile\/.+Safari/.test( navigator.userAgent ) ? 'touchstart' : 'click';
 
 		// Remove nojs class after the DOM is loaded.
 		removeClass( adminBar, 'nojs' );
 
 		if ( 'ontouchstart' in window ) {
 			// Remove hover class when the user touches outside the menu items.
 			document.body.addEventListener( mobileEvent, function( e ) {
 				if ( ! getClosest( e.target, 'li.menupop' ) ) {
 					removeAllHoverClass( topMenuItems );
 				}
 			} );
 
 			// Add listener for menu items to toggle hover class by touches.
 			// Remove the callback later for better performance.
 			adminBar.addEventListener( 'touchstart', function bindMobileEvents() {
 				for ( var i = 0; i < topMenuItems.length; i++ ) {
 					topMenuItems[i].addEventListener( 'click', mobileHover.bind( null, topMenuItems ) );
 				}
 
 				adminBar.removeEventListener( 'touchstart', bindMobileEvents );
 			} );
 		}
 
 		// Scroll page to top when clicking on the admin bar.
 		adminBar.addEventListener( 'click', scrollToTop );
 
 		for ( i = 0; i < topMenuItems.length; i++ ) {
 			// Adds or removes the hover class based on the hover intent.
 			window.hoverintent(
 				topMenuItems[i],
 				addClass.bind( null, topMenuItems[i], 'hover' ),
 				removeClass.bind( null, topMenuItems[i], 'hover' )
 			).options( {
 				timeout: 180
 			} );
 
 			// Toggle hover class if the enter key is pressed.
 			topMenuItems[i].addEventListener( 'keydown', toggleHoverIfEnter );
 		}
 
 		// Remove hover class if the escape key is pressed.
 		for ( i = 0; i < allMenuItems.length; i++ ) {
 			allMenuItems[i].addEventListener( 'keydown', removeHoverIfEscape );
 		}
 
 		if ( adminBarSearchForm ) {
 			adminBarSearchInput = document.getElementById( 'adminbar-search' );
 
 			// Adds the adminbar-focused class on focus.
 			adminBarSearchInput.addEventListener( 'focus', function() {
 				addClass( adminBarSearchForm, 'adminbar-focused' );
 			} );
 
 			// Removes the adminbar-focused class on blur.
 			adminBarSearchInput.addEventListener( 'blur', function() {
 				removeClass( adminBarSearchForm, 'adminbar-focused' );
 			} );
 		}
 
 		if ( skipLink ) {
 			// Focus the target of skip link after pressing Enter.
 			skipLink.addEventListener( 'keydown', focusTargetAfterEnter );
 		}
 
 		if ( shortlink ) {
 			shortlink.addEventListener( 'click', clickShortlink );
 		}
 
 		// Prevents the toolbar from covering up content when a hash is present in the URL.
 		if ( window.location.hash ) {
 			window.scrollBy( 0, -32 );
 		}
 
 		// Clear sessionStorage on logging out.
 		if ( adminBarLogout ) {
 			adminBarLogout.addEventListener( 'click', emptySessionStorage );
 		}
 	} );
 
 	/**
 	 * Remove hover class for top level menu item when escape is pressed.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {Event} event The keydown event.
 	 */
 	function removeHoverIfEscape( event ) {
 		var wrapper;
 
 		if ( event.which !== 27 ) {
 			return;
 		}
 
 		wrapper = getClosest( event.target, '.menupop' );
 
 		if ( ! wrapper ) {
 			return;
 		}
 
 		wrapper.querySelector( '.menupop > .ab-item' ).focus();
 		removeClass( wrapper, 'hover' );
 	}
 
 	/**
 	 * Toggle hover class for top level menu item when enter is pressed.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {Event} event The keydown event.
 	 */
 	function toggleHoverIfEnter( event ) {
 		var wrapper;
 
 		if ( event.which !== 13 ) {
 			return;
 		}
 
 		if ( !! getClosest( event.target, '.ab-sub-wrapper' ) ) {
 			return;
 		}
 
 		wrapper = getClosest( event.target, '.menupop' );
 
 		if ( ! wrapper ) {
 			return;
 		}
 
 		event.preventDefault();
 
 		if ( hasClass( wrapper, 'hover' ) ) {
 			removeClass( wrapper, 'hover' );
 		} else {
 			addClass( wrapper, 'hover' );
 		}
 	}
 
 	/**
 	 * Focus the target of skip link after pressing Enter.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {Event} event The keydown event.
 	 */
 	function focusTargetAfterEnter( event ) {
 		var id, userAgent;
 
 		if ( event.which !== 13 ) {
 			return;
 		}
 
 		id = event.target.getAttribute( 'href' );
 		userAgent = navigator.userAgent.toLowerCase();
 
 		if ( userAgent.indexOf( 'applewebkit' ) > -1 && id && id.charAt( 0 ) === '#' ) {
 			setTimeout( function() {
 				var target = document.getElementById( id.replace( '#', '' ) );
 
 				if ( target ) {
 					target.setAttribute( 'tabIndex', '0' );
 					target.focus();
 				}
 			}, 100 );
 		}
 	}
 
 	/**
 	 * Toogle hover class for mobile devices.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {NodeList} topMenuItems All menu items.
 	 * @param {Event} event The click event.
 	 */
 	function mobileHover( topMenuItems, event ) {
 		var wrapper;
 
 		if ( !! getClosest( event.target, '.ab-sub-wrapper' ) ) {
 			return;
 		}
 
 		event.preventDefault();
 
 		wrapper = getClosest( event.target, '.menupop' );
 
 		if ( ! wrapper ) {
 			return;
 		}
 
 		if ( hasClass( wrapper, 'hover' ) ) {
 			removeClass( wrapper, 'hover' );
 		} else {
 			removeAllHoverClass( topMenuItems );
 			addClass( wrapper, 'hover' );
 		}
 	}
 
 	/**
 	 * Handles the click on the Shortlink link in the adminbar.
 	 *
 	 * @since 3.1.0
 	 * @since 5.3.1 Use querySelector to clean up the function.
 	 *
 	 * @param {Event} event The click event.
 	 * @return {boolean} Returns false to prevent default click behavior.
 	 */
 	function clickShortlink( event ) {
 		var wrapper = event.target.parentNode,
 			input;
 
 		if ( wrapper ) {
 			input = wrapper.querySelector( '.shortlink-input' );
 		}
 
 		if ( ! input ) {
 			return;
 		}
 
 		// (Old) IE doesn't support preventDefault, and does support returnValue.
 		if ( event.preventDefault ) {
 			event.preventDefault();
 		}
 
 		event.returnValue = false;
 
 		addClass( wrapper, 'selected' );
 
 		input.focus();
 		input.select();
 		input.onblur = function() {
 			removeClass( wrapper, 'selected' );
 		};
 
 		return false;
 	}
 
 	/**
 	 * Clear sessionStorage on logging out.
 	 *
 	 * @since 5.3.1
 	 */
 	function emptySessionStorage() {
 		if ( 'sessionStorage' in window ) {
 			try {
 				for ( var key in sessionStorage ) {
 					if ( key.indexOf( 'wp-autosave-' ) > -1 ) {
 						sessionStorage.removeItem( key );
 					}
 				}
 			} catch ( er ) {}
 		}
 	}
 
 	/**
 	 * Check if element has class.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {HTMLElement} element The HTML element.
 	 * @param {string}      className The class name.
 	 * @return {boolean} Whether the element has the className.
 	 */
 	function hasClass( element, className ) {
 		var classNames;
 
 		if ( ! element ) {
 			return false;
 		}
 
 		if ( element.classList && element.classList.contains ) {
 			return element.classList.contains( className );
 		} else if ( element.className ) {
 			classNames = element.className.split( ' ' );
 			return classNames.indexOf( className ) > -1;
 		}
 
 		return false;
 	}
 
 	/**
 	 * Add class to an element.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {HTMLElement} element The HTML element.
 	 * @param {string}      className The class name.
 	 */
 	function addClass( element, className ) {
 		if ( ! element ) {
 			return;
 		}
 
 		if ( element.classList && element.classList.add ) {
 			element.classList.add( className );
 		} else if ( ! hasClass( element, className ) ) {
 			if ( element.className ) {
 				element.className += ' ';
 			}
 
 			element.className += className;
 		}
 	}
 
 	/**
 	 * Remove class from an element.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {HTMLElement} element The HTML element.
 	 * @param {string}      className The class name.
 	 */
 	function removeClass( element, className ) {
 		var testName,
 			classes;
 
 		if ( ! element || ! hasClass( element, className ) ) {
 			return;
 		}
 
 		if ( element.classList && element.classList.remove ) {
 			element.classList.remove( className );
 		} else {
 			testName = ' ' + className + ' ';
 			classes = ' ' + element.className + ' ';
 
 			while ( classes.indexOf( testName ) > -1 ) {
 				classes = classes.replace( testName, '' );
 			}
 
 			element.className = classes.replace( /^[\s]+|[\s]+$/g, '' );
 		}
 	}
 
 	/**
 	 * Remove hover class for all menu items.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {NodeList} topMenuItems All menu items.
 	 */
 	function removeAllHoverClass( topMenuItems ) {
 		if ( topMenuItems && topMenuItems.length ) {
 			for ( var i = 0; i < topMenuItems.length; i++ ) {
 				removeClass( topMenuItems[i], 'hover' );
 			}
 		}
 	}
 
 	/**
 	 * Scrolls to the top of the page.
 	 *
 	 * @since 3.4.0
 	 *
 	 * @param {Event} event The Click event.
 	 *
 	 * @return {void}
 	 */
 	function scrollToTop( event ) {
 		// Only scroll when clicking on the wpadminbar, not on menus or submenus.
 		if (
 			event.target &&
 			event.target.id !== 'wpadminbar' &&
 			event.target.id !== 'wp-admin-bar-top-secondary'
 		) {
 			return;
 		}
 
 		try {
 			window.scrollTo( {
 				top: -32,
 				left: 0,
 				behavior: 'smooth'
 			} );
 		} catch ( er ) {
 			window.scrollTo( 0, -32 );
 		}
 	}
 
 	/**
 	 * Get closest Element.
 	 *
 	 * @since 5.3.1
 	 *
 	 * @param {HTMLElement} el Element to get parent.
 	 * @param {string} selector CSS selector to match.
 	 */
 	function getClosest( el, selector ) {
 		if ( ! window.Element.prototype.matches ) {
 			// Polyfill from https://developer.mozilla.org/en-US/docs/Web/API/Element/matches.
 			window.Element.prototype.matches =
 				window.Element.prototype.matchesSelector ||
 				window.Element.prototype.mozMatchesSelector ||
 				window.Element.prototype.msMatchesSelector ||
 				window.Element.prototype.oMatchesSelector ||
 				window.Element.prototype.webkitMatchesSelector ||
 				function( s ) {
 					var matches = ( this.document || this.ownerDocument ).querySelectorAll( s ),
 						i = matches.length;
 
 					while ( --i >= 0 && matches.item( i ) !== this ) { }
 
 					return i > -1;
 				};
 		}
 
 		// Get the closest matching elent.
 		for ( ; el && el !== document; el = el.parentNode ) {
 			if ( el.matches( selector ) ) {
 				return el;
 			}
 		}
 
 		return null;
 	}
 
 } )( document, window, navigator );