🔧 Add status text to the NotebookListBox

frontend/src/components/elements/Empty.module.css

@@ -0,0 +1,4 @@
+.Empty {
+    opacity: 0.5;
+    font-style: italic;
+}

frontend/src/components/elements/Empty.tsx

@@ -0,0 +1,18 @@
+import {faExpand} from "@fortawesome/free-solid-svg-icons"
+import {FontAwesomeIcon} from "@fortawesome/react-fontawesome"
+import * as React from "react"
+import Style from "./Empty.module.css"
+
+
+export interface EmptyProps {
+    children: React.ReactNode,
+}
+
+
+export function Empty({children}: EmptyProps): JSX.Element {
+    return (
+        <span className={Style.Empty}>
+            <FontAwesomeIcon icon={faExpand}/>&nbsp;{children}
+        </span>
+    )
+}

frontend/src/components/notebook/NotebookListBox.tsx

@@ -2,6 +2,8 @@ import {Box, Heading} from "@steffo/bluelib-react"
 import * as React from "react"
 import {ManagedViewSet} from "../../hooks/useManagedViewSet"
 import {SophonNotebook} from "../../types/SophonTypes"
+import {Empty} from "../elements/Empty"
+import {Loading} from "../elements/Loading"
 import {NotebookResourcePanel} from "./NotebookResourcePanel"
 
 
@@ -11,6 +13,19 @@ export interface NotebookListBoxProps {
 
 
 export function NotebookListBox({viewSet}: NotebookListBoxProps): JSX.Element {
+    const resources = React.useMemo(
+        () => {
+            if(!viewSet.resources) {
+                return <Loading/>
+            }
+            if(viewSet.resources.length === 0) {
+                return <Empty>This project has no notebooks.</Empty>
+            }
+            return viewSet.resources?.map(res => <NotebookResourcePanel resource={res} key={res.value.slug}/>)
+        },
+        [viewSet],
+    )
+
     return (
         <Box>
             <Heading level={3}>
@@ -19,7 +34,7 @@ export function NotebookListBox({viewSet}: NotebookListBoxProps): JSX.Element {
             <p>
                 Notebooks are interactive Python documents that you can edit in your browser and run on Sophon server.
             </p>
-            {viewSet.resources?.map(res => <NotebookResourcePanel resource={res} key={res.value.slug}/>)}
+            {resources}
         </Box>
     )
 }