From 230d7d277d0386101dfcf88d8fabed58e4adde3d Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 30 Sep 2020 22:17:42 -0700
Subject: Implement common select field component

---
 modern/src/form/SelectField.js   | 35 +++++++++++++++++++++++++++++++++++
 modern/src/settings/GroupPage.js | 33 +++++++++------------------------
 2 files changed, 44 insertions(+), 24 deletions(-)
 create mode 100644 modern/src/form/SelectField.js

(limited to 'modern/src')

diff --git a/modern/src/form/SelectField.js b/modern/src/form/SelectField.js
new file mode 100644
index 0000000..78a1688
--- /dev/null
+++ b/modern/src/form/SelectField.js
@@ -0,0 +1,35 @@
+import { FormControl, InputLabel, Select } from '@material-ui/core';
+import React, { useState } from 'react';
+import { useEffectAsync } from '../reactHelper';
+
+const SelectField = ({ margin, variant, label, defaultValue, onChange, endpoint }) => {
+  const [items, setItems] = useState();
+
+  useEffectAsync(async () => {
+    const response = await fetch(endpoint);
+    if (response.ok) {
+      setItems(await response.json());
+    }
+  }, []);
+
+  if (items) {
+    return (
+      <FormControl margin={margin} variant={variant}>
+        <InputLabel>{label}</InputLabel>
+        <Select
+          native
+          defaultValue={defaultValue}
+          onChange={onChange}>
+          <option value={0}></option>
+          {items.map(item => (
+            <option key={item.id} value={item.id}>{item.name}</option>
+          ))}
+        </Select>
+      </FormControl>
+    );
+  } else {
+    return null;
+  }
+}
+
+export default SelectField;
diff --git a/modern/src/settings/GroupPage.js b/modern/src/settings/GroupPage.js
index 0dc61e5..b6a2859 100644
--- a/modern/src/settings/GroupPage.js
+++ b/modern/src/settings/GroupPage.js
@@ -3,11 +3,11 @@ import TextField from '@material-ui/core/TextField';
 
 import t from '../common/localization';
 import EditItemView from '../EditItemView';
-import { Accordion, AccordionSummary, AccordionDetails, makeStyles, Typography, FormControl, InputLabel, Select } from '@material-ui/core';
+import { Accordion, AccordionSummary, AccordionDetails, makeStyles, Typography } from '@material-ui/core';
 import ExpandMoreIcon from '@material-ui/icons/ExpandMore';
 import EditAttributesView from '../attributes/EditAttributesView';
-import { useEffectAsync } from '../reactHelper';
 import deviceAttributes from '../attributes/deviceAttributes';
+import SelectField from '../form/SelectField';
 
 const useStyles = makeStyles(() => ({
   details: {
@@ -19,14 +19,6 @@ const GroupPage = () => {
   const classes = useStyles();
 
   const [item, setItem] = useState();
-  const [groups, setGroups] = useState();
-
-  useEffectAsync(async () => {
-    const response = await fetch('/api/groups');
-    if (response.ok) {
-      setGroups(await response.json());
-    }
-  }, []);
 
   return (
     <EditItemView endpoint="groups" item={item} setItem={setItem}>
@@ -54,20 +46,13 @@ const GroupPage = () => {
               </Typography>
             </AccordionSummary>
             <AccordionDetails className={classes.details}>
-              {groups &&
-                <FormControl margin="normal" variant="filled">
-                  <InputLabel>{t('groupParent')}</InputLabel>
-                  <Select
-                    native
-                    defaultValue={item.groupId}
-                    onChange={event => setItem({...item, groupId: Number(event.target.value)})}>
-                    <option value={0}></option>
-                    {groups.map(group => (
-                      <option key={group.id} value={group.id}>{group.name}</option>
-                    ))}
-                  </Select>
-                </FormControl>
-              }
+              <SelectField
+                margin="normal"
+                defaultValue={item.groupId}
+                onChange={event => setItem({...item, groupId: Number(event.target.value)})}
+                endpoint="/api/groups"
+                label={t('groupParent')}
+                variant="filled" />
             </AccordionDetails>
           </Accordion>
           <Accordion>
-- 
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