Mr.Rahmani
/
didvan-app
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

D1APP-108 interactive viewer back button style

This commit is contained in:
MohammadTaha Basiri 2022-03-04 11:52:41 +03:30
parent 8fee5e2ca7
commit 085f5d7d68
1 changed files with 14 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
lib/views/widgets/didvan/page_view.dart
View File

@ -8,7 +8,6 @@ import 'package:didvan/views/home/widgets/tag_item.dart';
import 'package:didvan/views/widgets/animated_visibility.dart';
import 'package:didvan/views/widgets/didvan/card.dart';
import 'package:didvan/views/widgets/didvan/divider.dart';
import 'package:didvan/views/widgets/didvan/icon_button.dart';
import 'package:didvan/views/widgets/didvan/text.dart';
import 'package:didvan/views/widgets/ink_wrapper.dart';
import 'package:didvan/views/widgets/item_title.dart';
@ -194,7 +193,6 @@ class _DidvanPageViewState extends State<DidvanPageView> {
'span': Style(
textAlign: TextAlign.center,
fontSize: FontSize.small,
alignment: Alignment.center,
),
},
);
@ -219,11 +217,7 @@ class _DidvanPageViewState extends State<DidvanPageView> {
),
Positioned(
right: 16,
child: DidvanIconButton(
backgroundColor: Theme.of(context).colorScheme.primary,
icon: DidvanIcons.back_regular,
onPressed: Navigator.of(context).pop,
),
child: _BackButton(),
),
],
),
@ -277,9 +271,8 @@ class _DidvanPageViewState extends State<DidvanPageView> {
}
class _BackButton extends StatefulWidget {
final ScrollController scrollController;
const _BackButton({Key? key, required this.scrollController})
: super(key: key);
final ScrollController? scrollController;
const _BackButton({Key? key, this.scrollController}) : super(key: key);
@override
__BackButtonState createState() => __BackButtonState();
@ -290,20 +283,26 @@ class __BackButtonState extends State<_BackButton> {
@override
void didUpdateWidget(covariant _BackButton oldWidget) {
if (widget.scrollController != null) {
_isVisible = false;
_handleScroll();
}
super.didUpdateWidget(oldWidget);
}
@override
void initState() {
if (widget.scrollController != null) {
_handleScroll();
} else {
_isVisible = true;
}
super.initState();
}
void _handleScroll() {
widget.scrollController.addListener(() {
final position = widget.scrollController.position.pixels;
widget.scrollController!.addListener(() {
final position = widget.scrollController!.position.pixels;
final size = MediaQuery.of(context).size.height * 0.3;
if (position > size && _isVisible == false) {
setState(() {