97 lines
3.0 KiB
JavaScript
97 lines
3.0 KiB
JavaScript
/** @interface CheckboxHack */
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var
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checkboxHack = /** @type {CheckboxHack} */ require( /** @type {string} */( 'mediawiki.page.ready' ) ).checkboxHack,
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CHECKBOX_HACK_CONTAINER_SELECTOR = '.vector-menu-dropdown',
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CHECKBOX_HACK_CHECKBOX_SELECTOR = '.vector-menu-checkbox',
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CHECKBOX_HACK_BUTTON_SELECTOR = '.vector-menu-heading',
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CHECKBOX_HACK_TARGET_SELECTOR = '.vector-menu-content';
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/**
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* Add the ability for users to toggle dropdown menus using the enter key (as
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* well as space) using core's checkboxHack.
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*/
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function bind() {
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// Search for all dropdown containers using the CHECKBOX_HACK_CONTAINER_SELECTOR.
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var containers = document.querySelectorAll( CHECKBOX_HACK_CONTAINER_SELECTOR );
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Array.prototype.forEach.call( containers, function ( container ) {
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var
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checkbox = container.querySelector( CHECKBOX_HACK_CHECKBOX_SELECTOR ),
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button = container.querySelector( CHECKBOX_HACK_BUTTON_SELECTOR ),
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target = container.querySelector( CHECKBOX_HACK_TARGET_SELECTOR );
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if ( !( checkbox && button && target ) ) {
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return;
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}
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checkboxHack.bind( window, checkbox, button, target );
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} );
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}
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/**
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* T295085: Close all dropdown menus when page is unloaded to prevent them from
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* being open when navigating back to a page.
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*/
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function bindCloseOnUnload() {
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addEventListener( 'beforeunload', function () {
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var checkboxes = document.querySelectorAll( CHECKBOX_HACK_CHECKBOX_SELECTOR + ':checked' );
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Array.prototype.forEach.call( checkboxes, function ( checkbox ) {
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/** @type {HTMLInputElement} */ ( checkbox ).checked = false;
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} );
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} );
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}
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/**
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* Adds icon placeholder for gadgets to use.
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*
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* @typedef {Object} PortletLinkData
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* @property {string|null} id
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*/
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/**
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* @param {HTMLElement} item
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* @param {PortletLinkData} data
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*/
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function addPortletLinkHandler( item, data ) {
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var link = item.querySelector( 'a' );
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var $menu = $( item ).parents( '.vector-menu' );
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var menuElement = $menu.length && $menu.get( 0 ) || null;
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// Dropdowns which have not got the noicon class are icon capable.
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var isIconCapable = menuElement && menuElement.classList.contains(
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'vector-menu-dropdown'
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) && !menuElement.classList.contains(
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'vector-menu-dropdown-noicon'
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);
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if ( isIconCapable && data.id && link ) {
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// If class was previously added this will be a no-op so it is safe to call even
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// if we've previously enhanced it.
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link.classList.add(
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'mw-ui-icon',
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'mw-ui-icon-before',
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// The following class allows gadgets developers to style or hide an icon.
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// * mw-ui-icon-vector-gadget-<id>
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// The class is considered stable and should not be removed without
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// a #user-notice.
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'mw-ui-icon-vector-gadget-' + data.id
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);
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}
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}
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// Enhance previously added items.
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Array.prototype.forEach.call(
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document.querySelectorAll( '.mw-list-item-js' ),
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function ( item ) {
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addPortletLinkHandler( item, {
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id: item.getAttribute( 'id' )
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} );
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}
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);
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mw.hook( 'util.addPortletLink' ).add( addPortletLinkHandler );
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module.exports = function dropdownMenus() {
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bind();
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bindCloseOnUnload();
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};
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