X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/6ff11e5f5dba8e02a176bbe9455ba916e8990028..a9ba50241080a83734e8aea0f230cc3fc3f3b7ca:/src/components/tree/tree.tsx

diff --git a/src/components/tree/tree.tsx b/src/components/tree/tree.tsx
index 263249588b..c892d7d2c8 100644
--- a/src/components/tree/tree.tsx
+++ b/src/components/tree/tree.tsx
@@ -107,7 +107,7 @@ export const Tree = withStyles(styles)(
                             onContextMenu={this.handleRowContextMenu(it)}>
                             {it.status === TreeItemStatus.PENDING ?
                                 <CircularProgress size={10} className={loader} /> : null}
-                            <i onClick={() => this.props.toggleItemOpen(it.id, it.status)}
+                            <i onClick={this.handleToggleItemOpen(it.id, it.status)}
                                 className={toggableIconContainer}>
                                 <ListItemIcon className={this.getToggableIconClassNames(it.open, it.active)}>
                                     {this.getProperArrowAnimation(it.status, it.items!)}
@@ -141,7 +141,13 @@ export const Tree = withStyles(styles)(
         }
 
         getProperArrowAnimation = (status: string, items: Array<TreeItem<T>>) => {
-            return status === TreeItemStatus.PENDING || (status === TreeItemStatus.LOADED && !items) ? <span /> : <SidePanelRightArrowIcon />;
+            return this.isSidePanelIconNotNeeded(status, items) ? <span /> : <SidePanelRightArrowIcon />;
+        }
+
+        isSidePanelIconNotNeeded = (status: string, items: Array<TreeItem<T>>) => {
+            return status === TreeItemStatus.PENDING ||
+                (status === TreeItemStatus.LOADED && !items) ||
+                (status === TreeItemStatus.LOADED && items && items.length === 0);
         }
 
         getToggableIconClassNames = (isOpen?: boolean, isActive?: boolean) => {
@@ -165,5 +171,10 @@ export const Tree = withStyles(styles)(
                 }
                 : undefined;
         }
+
+        handleToggleItemOpen = (id: string, status: TreeItemStatus) => (event: React.MouseEvent<HTMLElement>) => {
+            event.stopPropagation();
+            this.props.toggleItemOpen(id, status);
+        }
     }
 );