DashboardLayouts: Remove unused functions (#101602)

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

@@ -26,7 +26,6 @@ import {
   getGridItemKeyForPanelId,
   getDashboardSceneFor,
 } from '../../utils/utils';
-import { TabsLayoutManager } from '../layout-tabs/TabsLayoutManager';
 import { DashboardLayoutManager } from '../types/DashboardLayoutManager';
 import { LayoutRegistryItem } from '../types/LayoutRegistryItem';
 
@@ -180,22 +179,6 @@ export class DefaultGridLayoutManager
     return panels;
   }
 
-  public hasVizPanels(): boolean {
-    for (const child of this.state.grid.state.children) {
-      if (child instanceof DashboardGridItem) {
-        return true;
-      } else if (child instanceof SceneGridRow) {
-        for (const rowChild of child.state.children) {
-          if (rowChild instanceof DashboardGridItem) {
-            return true;
-          }
-        }
-      }
-    }
-
-    return false;
-  }
-
   public addNewRow(): SceneGridRow {
     const id = dashboardSceneGraph.getNextPanelId(this);
 
@@ -224,17 +207,6 @@ export class DefaultGridLayoutManager
     return row;
   }
 
-  public addNewTab() {
-    const shouldAddTab = this.hasVizPanels();
-    const tabsLayout = TabsLayoutManager.createFromLayout(this);
-
-    if (shouldAddTab) {
-      tabsLayout.addNewTab();
-    }
-
-    getDashboardSceneFor(this).switchLayout(tabsLayout);
-  }
-
   public editModeChanged(isEditing: boolean) {
     const updateResizeAndDragging = () => {
       this.state.grid.setState({ isDraggable: isEditing, isResizable: isEditing });

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

@@ -4,14 +4,7 @@ import { OptionsPaneItemDescriptor } from 'app/features/dashboard/components/Pan
 
 import { joinCloneKeys } from '../../utils/clone';
 import { dashboardSceneGraph } from '../../utils/dashboardSceneGraph';
-import {
-  getDashboardSceneFor,
-  getGridItemKeyForPanelId,
-  getPanelIdForVizPanel,
-  getVizPanelKeyForPanelId,
-} from '../../utils/utils';
-import { RowsLayoutManager } from '../layout-rows/RowsLayoutManager';
-import { TabsLayoutManager } from '../layout-tabs/TabsLayoutManager';
+import { getGridItemKeyForPanelId, getPanelIdForVizPanel, getVizPanelKeyForPanelId } from '../../utils/utils';
 import { DashboardLayoutManager } from '../types/DashboardLayoutManager';
 import { LayoutRegistryItem } from '../types/LayoutRegistryItem';
 
@@ -111,16 +104,6 @@ export class ResponsiveGridLayoutManager
     return panels;
   }
 
-  public hasVizPanels(): boolean {
-    for (const child of this.state.layout.state.children) {
-      if (child instanceof ResponsiveGridItem) {
-        return true;
-      }
-    }
-
-    return false;
-  }
-
   public cloneLayout(ancestorKey: string, isSource: boolean): DashboardLayoutManager {
     return this.clone({
       layout: this.state.layout.clone({
@@ -143,28 +126,6 @@ export class ResponsiveGridLayoutManager
     });
   }
 
-  public addNewRow() {
-    const shouldAddRow = this.hasVizPanels();
-    const rowsLayout = RowsLayoutManager.createFromLayout(this);
-
-    if (shouldAddRow) {
-      rowsLayout.addNewRow();
-    }
-
-    getDashboardSceneFor(this).switchLayout(rowsLayout);
-  }
-
-  public addNewTab() {
-    const shouldAddTab = this.hasVizPanels();
-    const tabsLayout = TabsLayoutManager.createFromLayout(this);
-
-    if (shouldAddTab) {
-      tabsLayout.addNewTab();
-    }
-
-    getDashboardSceneFor(this).switchLayout(tabsLayout);
-  }
-
   public getOptions(): OptionsPaneItemDescriptor[] {
     return getEditOptions(this);
   }

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

@@ -65,16 +65,6 @@ export class RowsLayoutManager extends SceneObjectBase<RowsLayoutManagerState> i
     return panels;
   }
 
-  public hasVizPanels(): boolean {
-    for (const row of this.state.rows) {
-      if (row.getLayout().hasVizPanels()) {
-        return true;
-      }
-    }
-
-    return false;
-  }
-
   public cloneLayout(ancestorKey: string, isSource: boolean): DashboardLayoutManager {
     throw new Error('Method not implemented.');
   }

public/app/features/dashboard-scene/scene/layout-tabs/TabsLayoutManager.tsx

@@ -85,16 +85,6 @@ export class TabsLayoutManager extends SceneObjectBase<TabsLayoutManagerState> i
     throw new Error('Method not implemented.');
   }
 
-  public hasVizPanels(): boolean {
-    for (const tab of this.state.tabs) {
-      if (tab.getLayout().hasVizPanels()) {
-        return true;
-      }
-    }
-
-    return false;
-  }
-
   public addNewTab() {
     const currentTab = new TabItem();
     this.setState({ tabs: [...this.state.tabs, currentTab], currentTabIndex: this.state.tabs.length });

public/app/features/dashboard-scene/scene/types/DashboardLayoutManager.ts

@@ -39,11 +39,6 @@ export interface DashboardLayoutManager<S = {}> extends SceneObject {
    */
   getVizPanels(): VizPanel[];
 
-  /**
-   * Check if the layout has viz panels
-   */
-  hasVizPanels(): boolean;
-
   /**
    * Notify the layout manager that the edit mode has changed
    * @param isEditing