initial commit

interface/src/components/WebSocketFormLoader.tsx

@@ -0,0 +1,40 @@
+import React from 'react';
+
+import { makeStyles, Theme, createStyles } from '@material-ui/core/styles';
+import { LinearProgress, Typography } from '@material-ui/core';
+
+import { WebSocketControllerProps } from '.';
+
+const useStyles = makeStyles((theme: Theme) =>
+  createStyles({
+    loadingSettings: {
+      margin: theme.spacing(0.5),
+    },
+    loadingSettingsDetails: {
+      margin: theme.spacing(4),
+      textAlign: "center"
+    }
+  })
+);
+
+export type WebSocketFormProps<D> = Omit<WebSocketControllerProps<D>, "connected"> & { data: D };
+
+interface WebSocketFormLoaderProps<D> extends WebSocketControllerProps<D> {
+  render: (props: WebSocketFormProps<D>) => JSX.Element;
+}
+
+export default function WebSocketFormLoader<D>(props: WebSocketFormLoaderProps<D>) {
+  const { connected, render, data, ...rest } = props;
+  const classes = useStyles();
+  if (!connected || !data) {
+    return (
+      <div className={classes.loadingSettings}>
+        <LinearProgress className={classes.loadingSettingsDetails} />
+        <Typography variant="h6" className={classes.loadingSettingsDetails}>
+          Connecting to WebSocket...
+        </Typography>
+      </div>
+    );
+  }
+  return render({ ...rest, data });
+}