mediawiki-skins-Vector/resources/skins.vector.js/dropdownMenus.js
bwang e5251a1448 Ensure collapsible TOC is closed when links are clicked
Bug: T310828
Depends-on: I2783928740e6a0684476a642f812cc6647be8e3f
Change-Id: I0bab194465f89637eecb43590eb8d29b5f2fd7d2
2022-07-26 19:03:16 +00:00

105 lines
3.4 KiB
JavaScript

/** @interface CheckboxHack */
var
checkboxHack = /** @type {CheckboxHack} */ require( /** @type {string} */( 'mediawiki.page.ready' ) ).checkboxHack,
CHECKBOX_HACK_CONTAINER_SELECTOR = '.vector-menu-dropdown',
CHECKBOX_HACK_CHECKBOX_SELECTOR = '.vector-menu-checkbox',
CHECKBOX_HACK_BUTTON_SELECTOR = '.vector-menu-heading',
CHECKBOX_HACK_TARGET_SELECTOR = '.vector-menu-content';
/**
* Enhance dropdownMenu functionality and accessibility using core's checkboxHack.
*/
function bind() {
// Search for all dropdown containers using the CHECKBOX_HACK_CONTAINER_SELECTOR.
var containers = document.querySelectorAll( CHECKBOX_HACK_CONTAINER_SELECTOR );
Array.prototype.forEach.call( containers, function ( container ) {
var
checkbox = container.querySelector( CHECKBOX_HACK_CHECKBOX_SELECTOR ),
button = container.querySelector( CHECKBOX_HACK_BUTTON_SELECTOR ),
target = container.querySelector( CHECKBOX_HACK_TARGET_SELECTOR );
if ( !( checkbox && button && target ) ) {
return;
}
checkboxHack.bind( window, checkbox, button, target );
} );
}
/**
* Adds icon placeholder for gadgets to use.
*
* @typedef {Object} PortletLinkData
* @property {string|null} id
*/
/**
* @param {HTMLElement} item
* @param {PortletLinkData} data
*/
function addPortletLinkHandler( item, data ) {
var link = item.querySelector( 'a' );
var $menu = $( item ).parents( '.vector-menu' );
var menuElement = $menu.length && $menu.get( 0 ) || null;
// Dropdowns which have not got the noicon class are icon capable.
var isIconCapable = menuElement && menuElement.classList.contains(
'vector-menu-dropdown'
) && !menuElement.classList.contains(
'vector-menu-dropdown-noicon'
);
// The views menu has limited space so we need to decide whether there is space
// to accomodate the new item and if not to redirect to the more dropdown.
/* eslint-disable no-jquery/no-global-selector */
if ( $menu.prop( 'id' ) === 'p-views' ) {
// @ts-ignore if undefined as NaN will be ignored
var availableWidth = $( '.mw-article-toolbar-container' ).width() -
// @ts-ignore
$( '#p-namespaces' ).width() - $( '#p-variants' ).width() -
// @ts-ignore
$( '#p-views' ).width() - $( '#p-cactions' ).width();
var moreDropdown = document.querySelector( '#p-cactions ul' );
// If the screen width is less than 720px then the views menu is hidden
if ( moreDropdown && ( availableWidth < 0 || window.innerWidth < 720 ) ) {
moreDropdown.appendChild( item );
// reveal if hidden
mw.util.showPortlet( 'p-cactions' );
}
}
/* eslint-enable no-jquery/no-global-selector */
if ( isIconCapable && link ) {
// If class was previously added this will be a no-op so it is safe to call even
// if we've previously enhanced it.
link.classList.add(
'mw-ui-icon',
'mw-ui-icon-before'
);
if ( data.id ) {
// The following class allows gadgets developers to style or hide an icon.
// * mw-ui-icon-vector-gadget-<id>
// The class is considered stable and should not be removed without
// a #user-notice.
link.classList.add( 'mw-ui-icon-vector-gadget-' + data.id );
}
}
}
// Enhance previously added items.
Array.prototype.forEach.call(
document.querySelectorAll( '.mw-list-item-js' ),
function ( item ) {
addPortletLinkHandler( item, {
id: item.getAttribute( 'id' )
} );
}
);
mw.hook( 'util.addPortletLink' ).add( addPortletLinkHandler );
module.exports = function dropdownMenus() {
bind();
};