src/views-components/tree-picker/tree-picker.ts

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import { connect } from "react-redux";
   6 import { Tree, TreeProps, TreeItem } from "../../components/tree/tree";
   7 import { RootState } from "../../store/store";
   8 import { TreePicker as TTreePicker, TreePickerNode, createTreePickerNode } from "../../store/tree-picker/tree-picker";
   9 import { getNodeValue, getNodeChildren } from "../../models/tree";
  10
  11 const memoizedMapStateToProps = () => {
  12     let prevState: TTreePicker;
  13     let prevTree: Array<TreeItem<any>>;
  14
  15     return (state: RootState): Pick<TreeProps<any>, 'items'> => {
  16         if (prevState !== state.treePicker) {
  17             prevState = state.treePicker;
  18             prevTree = getNodeChildren('')(state.treePicker)
  19                 .map(treePickerToTreeItems(state.treePicker));
  20         }
  21         return {
  22             items: prevTree
  23         };
  24     };
  25 };
  26
  27 const mapDispatchToProps = (): Pick<TreeProps<any>, 'onContextMenu'> => ({
  28     onContextMenu: () => { return; },
  29 });
  30
  31 export const TreePicker = connect(memoizedMapStateToProps(), mapDispatchToProps)(Tree);
  32
  33 const treePickerToTreeItems = (tree: TTreePicker) =>
  34     (id: string): TreeItem<any> => {
  35         const node: TreePickerNode = getNodeValue(id)(tree) || createTreePickerNode({ id: '', value: 'InvalidNode' });
  36         const items = getNodeChildren(node.id)(tree)
  37             .map(treePickerToTreeItems(tree));
  38         return {
  39             active: node.selected,
  40             data: node.value,
  41             id: node.id,
  42             items: items.length > 0 ? items : undefined,
  43             open: !node.collapsed,
  44             status: node.status
  45         };
  46     };
  47