coral-spectrum/coral-component-actionbar/src/scripts/getFirstSelectableWrappedItem.js
- /**
- * Copyright 2019 Adobe. All rights reserved.
- * This file is licensed to you under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License. You may obtain a copy
- * of the License at http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under
- * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
- * OF ANY KIND, either express or implied. See the License for the specific language
- * governing permissions and limitations under the License.
- */
-
- import {commons} from '../../../coral-utils';
-
- /** @ignore */
- export default function getFirstSelectableWrappedItem(wrapperItem) {
- // util method to get first selectable item inside a wrapper item
- if (!wrapperItem) {
- return null;
- }
-
- if (wrapperItem.hasAttribute('coral-actionbar-more')) {
- // more buttons are no 'real' actionbar items => not wrapped
- return wrapperItem;
- }
-
- let child = null;
- for (let i = 0 ; i < wrapperItem.children.length ; i++) {
- child = wrapperItem.children[i];
-
- // maybe filter even more elements? (opacity, display='none', position='absolute' ...)
- if (child.offsetParent && (child.matches(commons.FOCUSABLE_ELEMENT_SELECTOR) || child.matches('a:not([href])')) && !child.hasAttribute('disabled')) {
- return child;
- }
- }
-
- // search at 2nd level, some elements like coral-fileupload has selectable items inside them
- for (let i = 0 ; i < wrapperItem.children.length ; i++) {
- child = wrapperItem.children[i];
- for (let j = 0 ; j < child.children.length ; j++) {
- let subChild = child.children[j];
- // maybe filter even more elements? (opacity, display='none', position='absolute' ...)
- if (subChild.offsetParent && (subChild.matches(commons.FOCUSABLE_ELEMENT_SELECTOR) || child.matches('a:not([href])'))) {
- return subChild;
- }
- }
- }
-
- return null;
- }