@neo4j-ndl/react
Version:
React implementation of Neo4j Design System
71 lines • 4.89 kB
JavaScript
import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime";
/**
*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import '@neo4j-ndl/base/lib/neo4j-ds-styles.css';
import { DocumentIconOutline, FolderIconSolid, PhotoIconOutline, } from '@neo4j-ndl/react/icons';
import { TreeView } from '@neo4j-ndl/react/next';
import { useCallback, useState } from 'react';
const WORK_CHILDREN = ['report', 'presentation'];
const DOC_CHILDREN = ['work', 'resume'];
const IMAGE_CHILDREN = ['photo', 'screenshot'];
const DISABLED_KEYS = new Set(['presentation']);
function getParentChecked(checked, childKeys) {
const enabledKeys = childKeys.filter((k) => !DISABLED_KEYS.has(k));
if (enabledKeys.length === 0) {
return { isChecked: false, isIndeterminate: false };
}
const checkedCount = enabledKeys.filter((k) => checked[k]).length;
if (checkedCount === 0) {
return { isChecked: false, isIndeterminate: false };
}
if (checkedCount === enabledKeys.length) {
return { isChecked: true, isIndeterminate: false };
}
return { isChecked: false, isIndeterminate: true };
}
const Component = () => {
const [expanded, setExpanded] = useState({});
const [checked, setChecked] = useState({});
const toggle = (key) => setExpanded((prev) => (Object.assign(Object.assign({}, prev), { [key]: !prev[key] })));
const toggleCheck = useCallback((key) => {
setChecked((prev) => (Object.assign(Object.assign({}, prev), { [key]: !prev[key] })));
}, []);
const toggleParent = useCallback((childKeys) => {
const enabledKeys = childKeys.filter((k) => !DISABLED_KEYS.has(k));
const isAllChecked = enabledKeys.every((k) => checked[k]);
setChecked((prev) => {
const next = Object.assign({}, prev);
for (const k of enabledKeys) {
next[k] = !isAllChecked;
}
return next;
});
}, [checked]);
const docState = getParentChecked(checked, [
...DOC_CHILDREN,
...WORK_CHILDREN,
]);
const workState = getParentChecked(checked, WORK_CHILDREN);
const imageState = getParentChecked(checked, IMAGE_CHILDREN);
return (_jsxs(TreeView, { ariaLabel: "File explorer", selectionMode: "multiple", children: [_jsxs(TreeView.Item, { title: "Documents", hasChildren: true, isExpanded: expanded['documents'], onExpandedChange: () => toggle('documents'), isSelected: docState.isChecked, isIndeterminate: docState.isIndeterminate, onSelectedChange: () => toggleParent([...DOC_CHILDREN, ...WORK_CHILDREN]), leadingVisual: _jsx(FolderIconSolid, {}), children: [_jsxs(TreeView.Item, { title: "Work", hasChildren: true, isExpanded: expanded['work'], onExpandedChange: () => toggle('work'), isSelected: workState.isChecked, isIndeterminate: workState.isIndeterminate, onSelectedChange: () => toggleParent(WORK_CHILDREN), leadingVisual: _jsx(FolderIconSolid, {}), children: [_jsx(TreeView.Item, { title: "Report.pdf", isSelected: !!checked['report'], onSelectedChange: () => toggleCheck('report'), leadingVisual: _jsx(DocumentIconOutline, {}) }), _jsx(TreeView.Item, { title: "Presentation.pptx", isDisabled: true, onSelectedChange: () => null, leadingVisual: _jsx(DocumentIconOutline, {}) })] }), _jsx(TreeView.Item, { title: "Resume.pdf", isSelected: !!checked['resume'], onSelectedChange: () => toggleCheck('resume'), leadingVisual: _jsx(DocumentIconOutline, {}) })] }), _jsxs(TreeView.Item, { title: "Images", hasChildren: true, isExpanded: expanded['images'], onExpandedChange: () => toggle('images'), isSelected: imageState.isChecked, isIndeterminate: imageState.isIndeterminate, onSelectedChange: () => toggleParent(IMAGE_CHILDREN), leadingVisual: _jsx(FolderIconSolid, {}), children: [_jsx(TreeView.Item, { title: "Photo.jpg", isSelected: !!checked['photo'], onSelectedChange: () => toggleCheck('photo'), leadingVisual: _jsx(PhotoIconOutline, {}) }), _jsx(TreeView.Item, { title: "Screenshot.png", isSelected: !!checked['screenshot'], onSelectedChange: () => toggleCheck('screenshot'), leadingVisual: _jsx(PhotoIconOutline, {}) })] })] }));
};
export default Component;
//# sourceMappingURL=tree-view-multi.story.js.map