mirror of
https://github.com/StarCitizenTools/mediawiki-extensions-TabberNeue.git
synced 2024-11-23 16:06:45 +00:00
fix: attach resize observer properly to current active tabpanel
This should finally fix #137
This commit is contained in:
alistair3149
parent
1206febd04
commit
72adfbc74e
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@ -99,16 +99,24 @@ class TabberAction {
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const width = Util.getElementSize( activeTab, 'width' );
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const transformValue = activeTab.offsetLeft - tablistScrollLeft;
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window.requestAnimationFrame( () => {
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indicator.classList.add( 'tabber__indicator--visible' );
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tablist.classList.add( 'tabber__tabs--animate' );
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indicator.style.width = width + 'px';
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indicator.style.transform = `translateX(${ transformValue }px)`;
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setTimeout( () => {
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indicator.classList.remove( 'tabber__indicator--visible' );
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tablist.classList.remove( 'tabber__tabs--animate' );
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}, 250 );
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} );
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indicator.classList.add( 'tabber__indicator--visible' );
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tablist.classList.add( 'tabber__tabs--animate' );
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indicator.style.width = width + 'px';
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indicator.style.transform = `translateX(${ transformValue }px)`;
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setTimeout( () => {
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indicator.classList.remove( 'tabber__indicator--visible' );
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tablist.classList.remove( 'tabber__tabs--animate' );
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}, 250 );
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}
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/**
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* Returns the tabpanel element based on the tab element
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*
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* @param {Element} tab - The tab element
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* @return {Element} The tabpanel element.
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*/
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static getTabpanel( tab ) {
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return document.getElementById( tab.getAttribute( 'aria-controls' ) );
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}
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/**
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@ -118,8 +126,9 @@ class TabberAction {
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* Scrolls the section to make the active tab panel visible.
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*
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* @param {Element} activeTabpanel - The active tab panel element to be set.
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* @param {Element|null} currentActiveTabpanel - The current active tab panel element
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*/
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static setActiveTabpanel( activeTabpanel ) {
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static setActiveTabpanel( activeTabpanel, currentActiveTabpanel = null ) {
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const section = activeTabpanel.closest( '.tabber__section' );
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if ( activeTabpanel.dataset.mwTabberLoadUrl ) {
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@ -136,6 +145,11 @@ class TabberAction {
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// Scroll to tab
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section.scrollLeft = activeTabpanel.offsetLeft;
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} );
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if ( currentActiveTabpanel ) {
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resizeObserver.unobserve( currentActiveTabpanel );
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}
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resizeObserver.observe( activeTabpanel );
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}
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/**
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@ -148,77 +162,43 @@ class TabberAction {
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*/
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static setActiveTab( activeTab ) {
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return new Promise( ( resolve ) => {
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const activeTabpanel = document.getElementById(
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activeTab.getAttribute( 'aria-controls' )
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);
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const activeTabpanel = TabberAction.getTabpanel( activeTab );
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const tabberEl = activeTabpanel.closest( '.tabber' );
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const indicator = tabberEl.querySelector(
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':scope > .tabber__header > .tabber__indicator'
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);
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const tabpanels = tabberEl.querySelectorAll(
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':scope > .tabber__section > .tabber__panel'
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);
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const tabs = tabberEl.querySelectorAll(
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':scope > .tabber__header > .tabber__tabs > .tabber__tab'
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);
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const tabStateUpdates = [];
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const tabpanelVisibilityUpdates = [];
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const currentActiveTab = tabberEl.querySelector( ':scope > .tabber__header > .tabber__tabs > .tabber__tab[aria-selected="true"]' );
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let currentActiveTabpanel;
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tabpanels.forEach( ( tabpanel ) => {
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if ( tabpanel === activeTabpanel ) {
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tabpanelVisibilityUpdates.push( {
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element: tabpanel,
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attributes: {
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'aria-hidden': 'false',
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tabindex: '0'
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}
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} );
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} else {
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tabpanelVisibilityUpdates.push( {
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element: tabpanel,
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attributes: {
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'aria-hidden': 'true',
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tabindex: '-1'
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}
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} );
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}
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} );
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tabs.forEach( ( tab ) => {
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if ( tab === activeTab ) {
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tabStateUpdates.push( {
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element: tab,
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attributes: {
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'aria-selected': true,
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tabindex: '0'
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}
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} );
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} else {
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tabStateUpdates.push( {
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element: tab,
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attributes: {
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'aria-selected': false,
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tabindex: '-1'
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}
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} );
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}
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} );
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if ( currentActiveTab ) {
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currentActiveTabpanel = TabberAction.getTabpanel( currentActiveTab );
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}
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window.requestAnimationFrame( () => {
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tabpanelVisibilityUpdates.forEach( ( { element, attributes } ) => {
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Util.setAttributes( element, attributes );
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} );
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tabStateUpdates.forEach( ( { element, attributes } ) => {
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Util.setAttributes( element, attributes );
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} );
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if ( currentActiveTab ) {
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currentActiveTab.setAttribute( 'aria-selected', 'false' );
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currentActiveTab.setAttribute( 'tabindex', '-1' );
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if ( currentActiveTabpanel ) {
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currentActiveTabpanel.setAttribute( 'aria-hidden', 'true' );
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currentActiveTabpanel.setAttribute( 'tabindex', '-1' );
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}
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}
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activeTab.setAttribute( 'aria-selected', 'true' );
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activeTab.setAttribute( 'tabindex', '0' );
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activeTabpanel.setAttribute( 'aria-hidden', 'false' );
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activeTabpanel.setAttribute( 'tabindex', '0' );
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TabberAction.animateIndicator(
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indicator,
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activeTab,
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activeTab.parentElement
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);
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TabberAction.setActiveTabpanel( activeTabpanel );
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TabberAction.setActiveTabpanel( activeTabpanel, currentActiveTabpanel );
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} );
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resolve();
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} );
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}
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@ -305,17 +285,6 @@ class TabberEvent {
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this.onTablistKeydown = this.onTablistKeydown.bind( this );
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}
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/**
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* Returns the active tab panel element based on the currently active tab.
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*
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* @return {Element} The active tab panel element.
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*/
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getActiveTabpanel() {
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return document.getElementById(
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this.activeTab.getAttribute( 'aria-controls' )
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);
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}
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/**
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* Returns a debounced function that updates the header overflow.
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*
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@ -431,7 +400,6 @@ class TabberEvent {
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this.tablist.addEventListener( 'scroll', this.onTablistScroll );
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this.tablist.addEventListener( 'keydown', this.onTablistKeydown );
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resizeObserver.observe( this.tablist );
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resizeObserver.observe( this.getActiveTabpanel() );
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}
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/**
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@ -442,7 +410,6 @@ class TabberEvent {
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this.tablist.removeEventListener( 'scroll', this.onTablistScroll );
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this.tablist.removeEventListener( 'keydown', this.onTablistKeydown );
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resizeObserver.unobserve( this.tablist );
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resizeObserver.unobserve( this.getActiveTabpanel() );
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}
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/**
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@ -698,9 +665,7 @@ async function load( tabberEls ) {
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}
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// eslint-disable-next-line compat/compat
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resizeObserver = new ResizeObserver(
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mw.util.debounce( TabberAction.onResize, 100 )
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);
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resizeObserver = new ResizeObserver( TabberAction.onResize );
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// Delay animation execution so it doesn't not animate the tab gets into position on load
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setTimeout( () => {
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