antd#TreeDataNode TypeScript Examples

The following examples show how to use antd#TreeDataNode. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: utils.tsx    From datart with Apache License 2.0 7 votes vote down vote up
export function buildAntdTreeNodeModel<T extends TreeDataNode & { value: any }>(
  ancestors: string[] = [],
  nodeName: string,
  children?: T[],
  isLeaf?: boolean,
): T {
  const TREE_HIERARCHY_SEPERATOR = String.fromCharCode(0);
  const fullNames = ancestors.concat(nodeName);
  return {
    key: fullNames.join(TREE_HIERARCHY_SEPERATOR),
    title: nodeName,
    value: fullNames,
    children,
    isLeaf,
  } as any;
}
Example #2
Source File: utils.ts    From datart with Apache License 2.0 7 votes vote down vote up
export function getExpandedKeys<T extends TreeDataNode>(nodes: T[]) {
  return nodes.reduce<string[]>((keys, { key, children }) => {
    if (Array.isArray(children) && children.length) {
      return keys
        .concat(key as string)
        .concat(children ? getExpandedKeys(children) : []);
    }
    return keys;
  }, []);
}
Example #3
Source File: useSearchAndExpand.ts    From datart with Apache License 2.0 6 votes vote down vote up
export function useSearchAndExpand<T extends TreeDataNode>(
  dataSource: T[] | undefined,
  filterFunc: (keywords: string, data: T) => boolean,
  wait: number = DEFAULT_DEBOUNCE_WAIT,
  filterLeaf: boolean = false,
) {
  const [expandedRowKeys, setExpandedRowKeys] = useState<string[]>([]);

  const { keywords, filteredData, debouncedSearch } = useDebouncedSearch(
    dataSource,
    filterFunc,
    wait,
    filterLeaf,
  );

  const filteredExpandedRowKeys = useMemo(
    () =>
      filteredData && keywords.trim() ? getExpandedKeys(filteredData) : [],
    [keywords, filteredData],
  );

  const onExpand = useCallback(expandedRowKeys => {
    setExpandedRowKeys(expandedRowKeys);
  }, []);

  return {
    keywords,
    filteredData,
    expandedRowKeys:
      filteredExpandedRowKeys.length > 0
        ? filteredExpandedRowKeys
        : expandedRowKeys,
    onExpand,
    debouncedSearch,
    setExpandedRowKeys,
  };
}