refactor

src/components/navbar/action/LangSelect.tsx

@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+import React, { useState } from 'react';
+import makeStyles from '@mui/styles/makeStyles';
+import createStyles from '@mui/styles/createStyles';
+import Button from '@mui/material/Button';
+import DialogTitle from '@mui/material/DialogTitle';
+import DialogContent from '@mui/material/DialogContent';
+import DialogActions from '@mui/material/DialogActions';
+import Dialog from '@mui/material/Dialog';
+import Switch from '@mui/material/Switch';
+import IconButton from '@mui/material/IconButton';
+import FilterListIcon from '@mui/icons-material/FilterList';
+import { List, ListItemSecondaryAction, ListItemText } from '@mui/material';
+import ListItem from '@mui/material/ListItem';
+import { langCodeToName } from 'util/language';
+import cloneObject from 'util/cloneObject';
+
+const useStyles = makeStyles(() => createStyles({
+    paper: {
+        maxHeight: 435,
+        width: '80%',
+    },
+}));
+
+function removeAll(firstList: any[], secondList: any[]) {
+    secondList.forEach((item) => {
+        const index = firstList.indexOf(item);
+        if (index !== -1) {
+            firstList.splice(index, 1);
+        }
+    });
+
+    return firstList;
+}
+
+interface IProps {
+    shownLangs: string[]
+    setShownLangs: (arg0: string[]) => void
+    allLangs: string[]
+    forcedLangs?: string[]
+}
+
+export default function LangSelect(props: IProps) {
+    const {
+        shownLangs, setShownLangs, allLangs, forcedLangs,
+    } = props;
+    // hold a copy and only sate state on parent when OK pressed, improves performance
+    const [mShownLangs, setMShownLangs] = useState(
+        removeAll(cloneObject(shownLangs), forcedLangs!),
+    );
+    const classes = useStyles();
+    const [open, setOpen] = useState<boolean>(false);
+
+    const handleCancel = () => {
+        setOpen(false);
+    };
+
+    const handleOk = () => {
+        setOpen(false);
+        setShownLangs(mShownLangs);
+    };
+
+    const handleChange = (event: React.ChangeEvent<HTMLInputElement>, lang: string) => {
+        const { checked } = event.target as HTMLInputElement;
+
+        if (checked) {
+            setMShownLangs([...mShownLangs, lang]);
+        } else {
+            const clone = cloneObject(mShownLangs);
+            clone.splice(clone.indexOf(lang), 1);
+            setMShownLangs(clone);
+        }
+    };
+
+    return (
+        <>
+            <IconButton
+                onClick={() => setOpen(true)}
+                aria-label="display more actions"
+                edge="end"
+                color="inherit"
+                size="large"
+            >
+                <FilterListIcon />
+            </IconButton>
+            <Dialog
+                classes={classes}
+                maxWidth="xs"
+                open={open}
+            >
+                <DialogTitle>Enabled Languages</DialogTitle>
+                <DialogContent dividers style={{ padding: 0 }}>
+                    <List>
+                        {allLangs.map((lang) => (
+                            <ListItem key={lang}>
+                                <ListItemText primary={langCodeToName(lang)} />
+
+                                <ListItemSecondaryAction>
+                                    <Switch
+                                        checked={mShownLangs.indexOf(lang) !== -1}
+                                        onChange={(e) => handleChange(e, lang)}
+                                    />
+                                </ListItemSecondaryAction>
+
+                            </ListItem>
+                        ))}
+                    </List>
+
+                </DialogContent>
+                <DialogActions>
+                    <Button autoFocus onClick={handleCancel} color="primary">
+                        Cancel
+                    </Button>
+                    <Button onClick={handleOk} color="primary">
+                        Ok
+                    </Button>
+                </DialogActions>
+            </Dialog>
+        </>
+    );
+}
+
+LangSelect.defaultProps = {
+    forcedLangs: [] as string[],
+};