X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/8cdb226fa1c32cceccc10955ed340c7a7dd7f10d..38fecec459a6ed195c771540bab9367835f968c8:/src/components/data-table-filters/data-table-filters-tree.tsx

diff --git a/src/components/data-table-filters/data-table-filters-tree.tsx b/src/components/data-table-filters/data-table-filters-tree.tsx
index 0870497e..6514078d 100644
--- a/src/components/data-table-filters/data-table-filters-tree.tsx
+++ b/src/components/data-table-filters/data-table-filters-tree.tsx
@@ -2,11 +2,12 @@
 //
 // SPDX-License-Identifier: AGPL-3.0
 
-import * as React from "react";
-import { Tree, toggleNodeSelection, getNode, initTreeNode, getNodeChildrenIds } from '~/models/tree';
-import { Tree as TreeComponent, TreeItem, TreeItemStatus } from '~/components/tree/tree';
+import React from "react";
+import { Tree, toggleNodeSelection, getNode, initTreeNode, getNodeChildrenIds, selectNode, deselectNodes } from 'models/tree';
+import { Tree as TreeComponent, TreeItem, TreeItemStatus } from 'components/tree/tree';
 import { noop, map } from "lodash/fp";
-import { toggleNodeCollapse } from '~/models/tree';
+import { toggleNodeCollapse } from 'models/tree';
+import { countNodes, countChildren } from 'models/tree';
 
 export interface DataTableFilterItem {
     name: string;
@@ -17,22 +18,52 @@ export type DataTableFilters = Tree<DataTableFilterItem>;
 export interface DataTableFilterProps {
     filters: DataTableFilters;
     onChange?: (filters: DataTableFilters) => void;
+
+    /**
+     * When set to true, only one filter can be selected at a time.
+     */
+    mutuallyExclusive?: boolean;
 }
 
 export class DataTableFiltersTree extends React.Component<DataTableFilterProps> {
 
     render() {
+        const { filters } = this.props;
+        const hasSubfilters = countNodes(filters) !== countChildren('')(filters);
         return <TreeComponent
-            items={filtersToTree(this.props.filters)}
+            levelIndentation={hasSubfilters ? 20 : 0}
+            itemRightPadding={20}
+            items={filtersToTree(filters)}
             render={renderItem}
             showSelection
+            useRadioButtons={this.props.mutuallyExclusive}
+            disableRipple
             onContextMenu={noop}
-            toggleItemActive={noop}
+            toggleItemActive={
+                this.props.mutuallyExclusive
+                    ? this.toggleRadioButtonFilter
+                    : this.toggleFilter
+            }
             toggleItemOpen={this.toggleOpen}
-            toggleItemSelection={this.toggleFilter}
         />;
     }
 
+    /**
+     * Handler for when a tree item is toggled via a radio button.
+     * Ensures mutual exclusivity among filter tree items.
+     */
+    toggleRadioButtonFilter = (_: any, item: TreeItem<DataTableFilterItem>) => {
+        const { onChange = noop } = this.props;
+
+        // If the filter is already selected, do nothing.
+        if (item.selected) { return; }
+
+        // Otherwise select this node and deselect the others
+        const filters = selectNode(item.id)(this.props.filters);
+        const toDeselect = Object.keys(this.props.filters).filter((id) => (id !== item.id));
+        onChange(deselectNodes(toDeselect)(filters));
+    }
+
     toggleFilter = (_: React.MouseEvent, item: TreeItem<DataTableFilterItem>) => {
         const { onChange = noop } = this.props;
         onChange(toggleNodeSelection(item.id)(this.props.filters));