migrate some components to Mui5 new styling system (#72)

* - Changed the value in Manga from 960 to 900( md breakpooint)
- The CicularLoader in About  and Reader screens is now centered to the whole screen
- Changed relative imports in About screen to absolute imports
- removed changed styles from Browse Screen, PageNumber

* Migrated Source Card, Extension Card and LoadingPlaceHolder to MUI system

* Migrated CategorySelect and LandSelect to using the sx prop

* migrated ReaderNavbar to mui 5

* - Removed Unused Styles from Page
- Migrated DoublePage, doublePagedPager, PagedPager, Vertical Pager and Horizontal Pager.

* Replaced style prop with sx prop

* removed useStyles completely from the project except for the Manga Screen

* added a comment

* Fixed the Source Card Buttons padding

* Removed the trailing backspace

Co-authored-by: Sascha Hahne <ntbm@users.noreply.github.com>

Co-authored-by: Sascha Hahne <ntbm@users.noreply.github.com>

src/components/util/EmptyView.tsx

@@ -10,6 +10,7 @@ import React from 'react';
 import Typography from '@mui/material/Typography';
 import { useTheme } from '@mui/material/styles';
 import { useMediaQuery } from '@mui/material';
+import { Box } from '@mui/system';
 
 const ERROR_FACES = [
     '(･o･;)',
@@ -35,7 +36,7 @@ export default function EmptyView({ message, messageExtra }: IProps) {
     const isMobileWidth = useMediaQuery(theme.breakpoints.down('sm'));
 
     return (
-        <div style={{
+        <Box sx={{
             position: 'absolute',
             left: `calc(50% + ${isMobileWidth ? '0px' : theme.spacing(8 / 2)})`,
             top: '50%',
@@ -50,7 +51,7 @@ export default function EmptyView({ message, messageExtra }: IProps) {
                 {message}
             </Typography>
             {messageExtra}
-        </div>
+        </Box>
     );
 }
 

src/components/util/LoadingPlaceholder.tsx

@@ -8,16 +8,8 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 import React from 'react';
-import makeStyles from '@mui/styles/makeStyles';
 import CircularProgress from '@mui/material/CircularProgress';
-
-const useStyles = makeStyles({
-    loading: {
-        margin: '10px auto',
-        display: 'flex',
-        justifyContent: 'center',
-    },
-});
+import { Box } from '@mui/system';
 
 interface IProps {
     shouldRender?: boolean | (() => boolean)
@@ -30,7 +22,6 @@ export default function LoadingPlaceholder(props: IProps) {
     const {
         children, shouldRender, component, componentProps,
     } = props;
-    const classes = useStyles();
 
     let condition = true;
     if (shouldRender !== undefined) {
@@ -52,8 +43,13 @@ export default function LoadingPlaceholder(props: IProps) {
     }
 
     return (
-        <div className={classes.loading}>
+        <Box sx={{
+            margin: '10px auto',
+            display: 'flex',
+            justifyContent: 'center',
+        }}
+        >
             <CircularProgress thickness={5} />
-        </div>
+        </Box>
     );
 }

src/components/util/SpinnerImage.tsx

@@ -17,9 +17,7 @@ interface IProps {
 
     imgRef?: React.RefObject<HTMLImageElement>
 
-    spinnerClassName?: string
     spinnerStyle?: SxProps<Theme>
-    imgClassName?: string
     imgStyle?: CSSProperties
 
     onImageLoad?: () => void
@@ -27,7 +25,7 @@ interface IProps {
 
 export default function SpinnerImage(props: IProps) {
     const {
-        src, alt, onImageLoad, imgRef, spinnerClassName, imgClassName, spinnerStyle, imgStyle,
+        src, alt, onImageLoad, imgRef, spinnerStyle, imgStyle,
     } = props;
     const [imageSrc, setImagsrc] = useState<string>('');
 
@@ -53,19 +51,18 @@ export default function SpinnerImage(props: IProps) {
 
     if (imageSrc.length === 0) {
         return (
-            <Box className={spinnerClassName} sx={spinnerStyle}>
+            <Box sx={spinnerStyle}>
                 <CircularProgress thickness={5} />
             </Box>
         );
     }
 
     if (imageSrc === 'Not Found') {
-        return <Box className={spinnerClassName} sx={spinnerStyle} />;
+        return <Box sx={spinnerStyle} />;
     }
 
     return (
         <img
-            className={imgClassName}
             style={imgStyle}
             ref={imgRef}
             src={imageSrc}
@@ -75,8 +72,6 @@ export default function SpinnerImage(props: IProps) {
 }
 
 SpinnerImage.defaultProps = {
-    spinnerClassName: '',
-    imgClassName: '',
     spinnerStyle: {},
     imgStyle: {},
     onImageLoad: () => {},