feat(frontend): Add samples for dashboard (#10306)

* feat(forntend): Add sampels to dashboard
Closes #9990

* add sessions storage to disable sample dash once cleared/removed

src/frontend/src/components/dashboard/DashboardLayout.tsx

@@ -1,5 +1,13 @@
 import { t } from '@lingui/core/macro';
-import { Alert, Card, Center, Divider, Loader, Text } from '@mantine/core';
+import {
+  Alert,
+  Card,
+  Center,
+  Divider,
+  Loader,
+  Space,
+  Text
+} from '@mantine/core';
 import { useDisclosure, useHotkeys } from '@mantine/hooks';
 import { IconExclamationCircle, IconInfoCircle } from '@tabler/icons-react';
 import { useCallback, useEffect, useMemo, useState } from 'react';
@@ -21,13 +29,21 @@ export default function DashboardLayout() {
   const [widgets, setWidgets] = useState<DashboardWidgetProps[]>([]);
 
   // local/remote storage values for widget / layout
-  const [remoteWidgets, setRemoteWidgets, remoteLayouts, setRemoteLayouts] =
+  const [
-    useLocalState(
+    remoteWidgets,
+    setRemoteWidgets,
+    remoteLayouts,
+    setRemoteLayouts,
+    showSampleDashboard,
+    setShowSampleDashboard
+  ] = useLocalState(
     useShallow((state) => [
       state.widgets,
       state.setWidgets,
       state.layouts,
-        state.setLayouts
+      state.setLayouts,
+      state.showSampleDashboard,
+      state.setShowSampleDashboard
     ])
   );
 
@@ -75,6 +91,9 @@ export default function DashboardLayout() {
       );
 
       if (newWidget) {
+        if (showSampleDashboard) {
+          setShowSampleDashboard(false);
+        }
         setWidgets([...widgets, newWidget]);
       }
 
@@ -195,10 +214,48 @@ export default function DashboardLayout() {
 
   // Clear all widgets from the dashboard
   const clearWidgets = useCallback(() => {
+    if (showSampleDashboard) {
+      setShowSampleDashboard(false);
+    }
     setWidgets([]);
     setLayouts({});
   }, []);
 
+  const defaultLayouts = {
+    lg: [
+      {
+        w: 6,
+        h: 4,
+        x: 0,
+        y: 0,
+        i: 'gstart',
+        minW: 5,
+        minH: 4,
+        moved: false,
+        static: false
+      },
+      {
+        w: 6,
+        h: 4,
+        x: 6,
+        y: 0,
+        i: 'news',
+        minW: 5,
+        minH: 4,
+        moved: false,
+        static: false
+      }
+    ]
+  };
+  const loadWigs = ['news', 'gstart'];
+  const defaultWidgets = useMemo(() => {
+    return loadWigs
+      .map((lwid: string) =>
+        availableWidgets.items.find((wid) => wid.label === lwid)
+      )
+      .filter((widget): widget is DashboardWidgetProps => widget !== undefined);
+  }, [availableWidgets.items, defaultLayouts]);
+
   return (
     <>
       <DashboardWidgetDrawer
@@ -228,6 +285,7 @@ export default function DashboardLayout() {
       {layouts && loaded && availableWidgets.loaded ? (
         <>
           {widgetLabels.length == 0 ? (
+            <>
               <Center>
                 <Card shadow='xs' padding='xl' style={{ width: '100%' }}>
                   <Alert
@@ -239,7 +297,49 @@ export default function DashboardLayout() {
                   </Alert>
                 </Card>
               </Center>
+              {showSampleDashboard && (
+                <>
+                  <Space h='lg' />
+                  {WidgetGrid(
+                    defaultLayouts,
+                    () => {},
+                    editing,
+                    defaultWidgets,
+                    removing,
+                    () => {}
+                  )}
+                </>
+              )}
+            </>
           ) : (
+            WidgetGrid(
+              layouts,
+              onLayoutChange,
+              editing,
+              widgets,
+              removing,
+              removeWidget
+            )
+          )}
+        </>
+      ) : (
+        <Center>
+          <Loader size='xl' />
+        </Center>
+      )}
+    </>
+  );
+}
+
+function WidgetGrid(
+  layouts: {},
+  onLayoutChange: (layout: any, newLayouts: any) => void,
+  editing: boolean,
+  widgets: DashboardWidgetProps[],
+  removing: boolean,
+  removeWidget: (widget: string) => void
+) {
+  return (
     <ReactGridLayout
       className='dashboard-layout'
       breakpoints={{ lg: 1200, md: 996, sm: 768, xs: 480, xxs: 0 }}
@@ -265,13 +365,5 @@ export default function DashboardLayout() {
         });
       })}
     </ReactGridLayout>
-          )}
-        </>
-      ) : (
-        <Center>
-          <Loader size='xl' />
-        </Center>
-      )}
-    </>
   );
 }

src/frontend/src/states/LocalState.tsx

@@ -31,6 +31,8 @@ interface LocalStateProps {
   setWidgets: (widgets: string[], noPatch?: boolean) => void;
   layouts: any;
   setLayouts: (layouts: any, noPatch?: boolean) => void;
+  showSampleDashboard: boolean;
+  setShowSampleDashboard: (value: boolean) => void;
   // panels
   lastUsedPanels: Record<string, string>;
   setLastUsedPanel: (panelKey: string) => (value: string) => void;
@@ -118,6 +120,10 @@ export const useLocalState = create<LocalStateProps>()(
         if (!noPatch)
           patchUser('widgets', { widgets: get().widgets, layouts: newLayouts });
       },
+      showSampleDashboard: true,
+      setShowSampleDashboard: (value) => {
+        set({ showSampleDashboard: value });
+      },
       // panels
       lastUsedPanels: {},
       setLastUsedPanel: (panelKey) => (value) => {