Dashboards: Prevent rows nesting (#99246)

public/app/features/dashboard-scene/scene/layout-default/DefaultGridLayoutManager.tsx

@@ -8,6 +8,7 @@ import {
   sceneGraph,
   sceneUtils,
   SceneComponentProps,
+  SceneGridItemLike,
 } from '@grafana/scenes';
 import { GRID_COLUMN_COUNT } from 'app/core/constants';
 
@@ -385,6 +386,28 @@ export class DefaultGridLayoutManager
     });
   }
 
+  /**
+   * Useful for preserving items positioning when switching layouts
+   * @param gridItems
+   * @returns
+   */
+  public static fromGridItems(gridItems: SceneGridItemLike[]): DefaultGridLayoutManager {
+    const children = gridItems.reduce<SceneGridItemLike[]>((acc, gridItem) => {
+      gridItem.clearParent();
+      acc.push(gridItem);
+
+      return acc;
+    }, []);
+
+    return new DefaultGridLayoutManager({
+      grid: new SceneGridLayout({
+        children,
+        isDraggable: true,
+        isResizable: true,
+      }),
+    });
+  }
+
   public static Component = ({ model }: SceneComponentProps<DefaultGridLayoutManager>) => {
     return <model.state.grid.Component model={model.state.grid} />;
   };

public/app/features/dashboard-scene/scene/layout-responsive-grid/ResponsiveGridLayoutManager.tsx

@@ -3,7 +3,8 @@ import { SceneComponentProps, SceneCSSGridLayout, SceneObjectBase, SceneObjectSt
 import { Select } from '@grafana/ui';
 import { OptionsPaneItemDescriptor } from 'app/features/dashboard/components/PanelEditor/OptionsPaneItemDescriptor';
 
-import { getPanelIdForVizPanel, getVizPanelKeyForPanelId } from '../../utils/utils';
+import { getDashboardSceneFor, getPanelIdForVizPanel, getVizPanelKeyForPanelId } from '../../utils/utils';
+import { RowsLayoutManager } from '../layout-rows/RowsLayoutManager';
 import { DashboardLayoutManager, LayoutRegistryItem } from '../types';
 
 import { ResponsiveGridItem } from './ResponsiveGridItem';
@@ -32,7 +33,9 @@ export class ResponsiveGridLayoutManager
   }
 
   public addNewRow(): void {
-    throw new Error('Method not implemented.');
+    const rowsLayout = RowsLayoutManager.createFromLayout(this);
+    rowsLayout.addNewRow();
+    getDashboardSceneFor(this).switchLayout(rowsLayout);
   }
 
   public getNextPanelId(): number {

public/app/features/dashboard-scene/scene/layout-rows/RowItem.tsx

@@ -95,13 +95,13 @@ export class RowItem extends SceneObjectBase<RowItemState> implements LayoutPare
   };
 
   public static Component = ({ model }: SceneComponentProps<RowItem>) => {
-    const { layout, title, isCollapsed, height = 'expand', isHeaderHidden } = model.useState();
+    const { layout, title, isCollapsed, height = 'expand', isHeaderHidden, key } = model.useState();
     const { isEditing, showHiddenElements } = getDashboardSceneFor(model).useState();
     const styles = useStyles2(getStyles);
     const titleInterpolated = sceneGraph.interpolate(model, title, undefined, 'text');
     const ref = useRef<HTMLDivElement>(null);
     const shouldGrow = !isCollapsed && height === 'expand';
-    const { isSelected, onSelect } = useElementSelection(model.state.key);
+    const { isSelected, onSelect } = useElementSelection(key);
 
     return (
       <div

public/app/features/dashboard-scene/scene/layout-rows/RowsLayoutManager.tsx

@@ -1,10 +1,20 @@
 import { css } from '@emotion/css';
 
 import { GrafanaTheme2 } from '@grafana/data';
-import { SceneComponentProps, sceneGraph, SceneObjectBase, SceneObjectState, VizPanel } from '@grafana/scenes';
+import {
+  SceneComponentProps,
+  sceneGraph,
+  SceneGridItemLike,
+  SceneGridRow,
+  SceneObjectBase,
+  SceneObjectState,
+  VizPanel,
+} from '@grafana/scenes';
 import { useStyles2 } from '@grafana/ui';
 
 import { DashboardScene } from '../DashboardScene';
+import { DashboardGridItem } from '../layout-default/DashboardGridItem';
+import { DefaultGridLayoutManager } from '../layout-default/DefaultGridLayoutManager';
 import { ResponsiveGridLayoutManager } from '../layout-responsive-grid/ResponsiveGridLayoutManager';
 import { DashboardLayoutManager, LayoutRegistryItem } from '../types';
 
@@ -101,6 +111,50 @@ export class RowsLayoutManager extends SceneObjectBase<RowsLayoutManagerState> i
   }
 
   public static createFromLayout(layout: DashboardLayoutManager): RowsLayoutManager {
+    if (layout instanceof DefaultGridLayoutManager) {
+      const config: Array<{
+        title?: string;
+        isCollapsed?: boolean;
+        children: SceneGridItemLike[];
+      }> = [];
+      let children: SceneGridItemLike[] | undefined;
+
+      layout.state.grid.forEachChild((child) => {
+        if (!(child instanceof DashboardGridItem) && !(child instanceof SceneGridRow)) {
+          throw new Error('Child is not a DashboardGridItem or SceneGridRow, invalid scene');
+        }
+
+        if (child instanceof SceneGridRow) {
+          if (!child.state.key?.includes('-clone-')) {
+            config.push({
+              title: child.state.title,
+              isCollapsed: !!child.state.isCollapsed,
+              children: child.state.children,
+            });
+            children = undefined;
+          }
+        } else {
+          if (!children) {
+            children = [];
+            config.push({ children });
+          }
+
+          children.push(child);
+        }
+      });
+
+      const rows = config.map(
+        (rowConfig) =>
+          new RowItem({
+            title: rowConfig.title ?? 'Row title',
+            isCollapsed: !!rowConfig.isCollapsed,
+            layout: DefaultGridLayoutManager.fromGridItems(rowConfig.children),
+          })
+      );
+
+      return new RowsLayoutManager({ rows });
+    }
+
     const row = new RowItem({ layout: layout.clone(), title: 'Row title' });
 
     return new RowsLayoutManager({ rows: [row] });

public/app/features/dashboard-scene/scene/layouts-shared/DashboardLayoutSelector.tsx

@@ -7,26 +7,38 @@ import { OptionsPaneItemDescriptor } from 'app/features/dashboard/components/Pan
 import { DashboardLayoutManager, isLayoutParent, LayoutRegistryItem } from '../types';
 
 import { layoutRegistry } from './layoutRegistry';
+import { findParentLayout } from './utils';
 
 export interface Props {
   layoutManager: DashboardLayoutManager;
 }
 
-export function DashboardLayoutSelector({ layoutManager }: { layoutManager: DashboardLayoutManager }) {
-  const layouts = layoutRegistry.list();
-  const options = layouts.map((layout) => ({
+export function DashboardLayoutSelector({ layoutManager }: Props) {
+  const options = useMemo(() => {
+    const parentLayout = findParentLayout(layoutManager);
+    const parentLayoutId = parentLayout?.getDescriptor().id;
+
+    return layoutRegistry
+      .list()
+      .filter((layout) => layout.id !== parentLayoutId)
+      .map((layout) => ({
         label: layout.name,
         value: layout,
       }));
+  }, [layoutManager]);
 
   const currentLayoutId = layoutManager.getDescriptor().id;
-  const currentLayoutOption = options.find((option) => option.value.id === currentLayoutId);
+  const currentOption = options.find((option) => option.value.id === currentLayoutId);
 
   return (
     <Select
       options={options}
-      value={currentLayoutOption}
-      onChange={(option) => changeLayoutTo(layoutManager, option.value!)}
+      value={currentOption}
+      onChange={(option) => {
+        if (option.value?.id !== currentOption?.value.id) {
+          changeLayoutTo(layoutManager, option.value!);
+        }
+      }}
     />
   );
 }

public/app/features/dashboard-scene/scene/layouts-shared/utils.ts

@@ -0,0 +1,17 @@
+import { SceneObject } from '@grafana/scenes';
+
+import { DashboardLayoutManager, isDashboardLayoutManager } from '../types';
+
+export function findParentLayout(sceneObject: SceneObject): DashboardLayoutManager | null {
+  let parent = sceneObject.parent;
+
+  while (parent) {
+    if (isDashboardLayoutManager(parent)) {
+      return parent;
+    }
+
+    parent = parent.parent;
+  }
+
+  return null;
+}