mirror of
https://gerrit.wikimedia.org/r/mediawiki/skins/Vector.git
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936bb1d739
For modern Vector, the preferred way to place an icon beside a link is with a dedicated <span> element instead of a `:before` pseudo-element. This change appends a <span> element with an icon to links created by mw.util.addPortletLink instead of using the `.mw-ui-icon-before` class. Bug: T314798 Change-Id: I019470d9ca38a6bd63a690882bed03b5f1ac03c4
120 lines
3.8 KiB
JavaScript
120 lines
3.8 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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* Enhance dropdownMenu functionality and accessibility 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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* Create an icon element to be appended inside the anchor tag.
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*
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* @param {HTMLElement|null} menuElement
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* @param {HTMLElement|null} parentElement
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* @param {string|null} id
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*
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* @return {HTMLElement|undefined}
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*/
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function createIconElement( menuElement, parentElement, id ) {
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// Dropdowns which do not have the noicon class are icon capable.
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var isIconCapable = menuElement &&
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menuElement.classList.contains( 'vector-menu-dropdown' ) &&
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!menuElement.classList.contains( 'vector-menu-dropdown-noicon' );
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if ( !isIconCapable || !parentElement ) {
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return;
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}
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var iconElement = document.createElement( 'span' );
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iconElement.classList.add( 'mw-ui-icon' );
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if ( id ) {
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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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iconElement.classList.add( 'mw-ui-icon-vector-gadget-' + id );
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}
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return iconElement;
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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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var iconElement = createIconElement( menuElement, link, data.id );
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// The views menu has limited space so we need to decide whether there is space
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// to accomodate the new item and if not to redirect to the more dropdown.
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/* eslint-disable no-jquery/no-global-selector */
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if ( $menu.prop( 'id' ) === 'p-views' ) {
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// @ts-ignore if undefined as NaN will be ignored
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var availableWidth = $( '.mw-article-toolbar-container' ).width() -
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// @ts-ignore
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$( '#p-namespaces' ).width() - $( '#p-variants' ).width() -
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// @ts-ignore
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$( '#p-views' ).width() - $( '#p-cactions' ).width();
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var moreDropdown = document.querySelector( '#p-cactions ul' );
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// If the screen width is less than 720px then the views menu is hidden
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if ( moreDropdown && ( availableWidth < 0 || window.innerWidth < 720 ) ) {
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moreDropdown.appendChild( item );
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// reveal if hidden
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mw.util.showPortlet( 'p-cactions' );
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}
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}
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if ( link && iconElement ) {
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link.prepend( iconElement );
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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 = {
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dropdownMenus: function dropdownMenus() { bind(); },
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addPortletLinkHandler: addPortletLinkHandler
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};
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