Starter/samples
1
0
Fork 0
mirror of https://github.com/flutter/samples.git synced 2025-11-10 23:08:59 +00:00
Code Issues Releases Wiki Activity

Removed redundant "const" and "new" assignments & Formatted code. (#58)

Browse Source
This commit is contained in:
Abhijeeth Padarthi
2019-03-19 21:57:32 +05:30
committed by Andrew Brogdon
parent be35972637
commit 8fe2999ee8
16 changed files with 87 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
shrine/lib/expanding_bottom_sheet.dart
View File

@@ -25,8 +25,8 @@ import 'model/product.dart';
import 'shopping_cart.dart';
// These curves define the emphasized easing curve.
const Cubic _kAccelerateCurve = const Cubic(0.548, 0.0, 0.757, 0.464);
const Cubic _kDecelerateCurve = const Cubic(0.23, 0.94, 0.41, 1.0);
const Cubic _kAccelerateCurve = Cubic(0.548, 0.0, 0.757, 0.464);
const Cubic _kDecelerateCurve = Cubic(0.23, 0.94, 0.41, 1.0);
// The time at which the accelerate and decelerate curves switch off
const double _kPeakVelocityTime = 0.248210;
// Percent (as a decimal) of animation that should be completed at _peakVelocityTime
@@ -48,7 +48,7 @@ class ExpandingBottomSheet extends StatefulWidget {
_ExpandingBottomSheetState createState() => _ExpandingBottomSheetState();
static _ExpandingBottomSheetState of(BuildContext context,
{bool isNullOk: false}) {
{bool isNullOk = false}) {
assert(isNullOk != null);
assert(context != null);
final _ExpandingBottomSheetState result = context
@@ -115,8 +115,10 @@ double _getPeakPoint({double begin, double end}) {
return begin + (end - begin) * _kPeakVelocityProgress;
}
class _ExpandingBottomSheetState extends State<ExpandingBottomSheet> with TickerProviderStateMixin {
final GlobalKey _expandingBottomSheetKey = GlobalKey(debugLabel: 'Expanding bottom sheet');
class _ExpandingBottomSheetState extends State<ExpandingBottomSheet>
with TickerProviderStateMixin {
final GlobalKey _expandingBottomSheetKey =
GlobalKey(debugLabel: 'Expanding bottom sheet');
// The width of the Material, calculated by _widthFor() & based on the number
// of products in the cart. 64.0 is the width when there are 0 products
@@ -163,7 +165,8 @@ class _ExpandingBottomSheetState extends State<ExpandingBottomSheet> with Ticker
peak: _getPeakPoint(begin: _width, end: screenWidth),
end: screenWidth,
isForward: false,
parent: CurvedAnimation(parent: _controller.view, curve: Interval(0.0, 0.87)),
parent: CurvedAnimation(
parent: _controller.view, curve: Interval(0.0, 0.87)),
);
}
}
@@ -174,7 +177,8 @@ class _ExpandingBottomSheetState extends State<ExpandingBottomSheet> with Ticker
return _getEmphasizedEasingAnimation(
begin: _kCartHeight,
peak: _kCartHeight + (screenHeight - _kCartHeight) * _kPeakVelocityProgress,
peak: _kCartHeight +
(screenHeight - _kCartHeight) * _kPeakVelocityProgress,
end: screenHeight,
isForward: true,
parent: _controller.view,
@@ -189,7 +193,8 @@ class _ExpandingBottomSheetState extends State<ExpandingBottomSheet> with Ticker
parent: _controller.view,
curve: Interval(0.434, 1.0, curve: Curves.linear), // not used
// only the reverseCurve will be used
reverseCurve: Interval(0.434, 1.0, curve: Curves.fastOutSlowIn.flipped),
reverseCurve:
Interval(0.434, 1.0, curve: Curves.fastOutSlowIn.flipped),
),
);
}
@@ -259,7 +264,8 @@ class _ExpandingBottomSheetState extends State<ExpandingBottomSheet> with Ticker
// Returns true if the cart is open or opening and false otherwise.
bool get _isOpen {
final AnimationStatus status = _controller.status;
return status == AnimationStatus.completed || status == AnimationStatus.forward;
return status == AnimationStatus.completed ||
status == AnimationStatus.forward;
}
// Opens the ExpandingBottomSheet if it's closed, otherwise does nothing.
@@ -438,7 +444,8 @@ class _ProductThumbnailRowState extends State<ProductThumbnailRow> {
super.initState();
_list = _ListModel(
listKey: _listKey,
initialItems: ScopedModel.of<AppStateModel>(context).productsInCart.keys.toList(),
initialItems:
ScopedModel.of<AppStateModel>(context).productsInCart.keys.toList(),
removedItemBuilder: _buildRemovedThumbnail,
);
_internalList = List<int>.from(_list.list);
@@ -451,12 +458,15 @@ class _ProductThumbnailRowState extends State<ProductThumbnailRow> {
return product;
}
Widget _buildRemovedThumbnail(int item, BuildContext context, Animation<double> animation) {
Widget _buildRemovedThumbnail(
int item, BuildContext context, Animation<double> animation) {
return ProductThumbnail(animation, animation, _productWithId(item));
}
Widget _buildThumbnail(BuildContext context, int index, Animation<double> animation) {
Animation<double> thumbnailSize = Tween<double>(begin: 0.8, end: 1.0).animate(
Widget _buildThumbnail(
BuildContext context, int index, Animation<double> animation) {
Animation<double> thumbnailSize =
Tween<double>(begin: 0.8, end: 1.0).animate(
CurvedAnimation(
curve: Interval(0.33, 1.0, curve: Curves.easeIn),
parent: animation,
@@ -468,7 +478,8 @@ class _ProductThumbnailRowState extends State<ProductThumbnailRow> {
parent: animation,
);
return ProductThumbnail(thumbnailSize, opacity, _productWithId(_list[index]));
return ProductThumbnail(
thumbnailSize, opacity, _productWithId(_list[index]));
}
// If the lists are the same length, assume nothing has changed.
@@ -476,7 +487,8 @@ class _ProductThumbnailRowState extends State<ProductThumbnailRow> {
// If the internalList is longer, then an item has been added.
void _updateLists() {
// Update _internalList based on the model
_internalList = ScopedModel.of<AppStateModel>(context).productsInCart.keys.toList();
_internalList =
ScopedModel.of<AppStateModel>(context).productsInCart.keys.toList();
Set<int> internalSet = Set<int>.from(_internalList);
Set<int> listSet = Set<int>.from(_list.list);
@@ -550,9 +562,11 @@ class ExtraProductsNumber extends StatelessWidget {
if (model.productsInCart.length > 3) {
int numOverflowProducts = _calculateOverflow(model);
// Maximum of 99 so padding doesn't get messy.
int displayedOverflowProducts = numOverflowProducts <= 99 ? numOverflowProducts : 99;
int displayedOverflowProducts =
numOverflowProducts <= 99 ? numOverflowProducts : 99;
return Container(
child: Text('+$displayedOverflowProducts',
child: Text(
'+$displayedOverflowProducts',
style: Theme.of(context).primaryTextTheme.button,
),
);
@@ -606,8 +620,8 @@ class ProductThumbnail extends StatelessWidget {
class _ListModel {
_ListModel(
{@required this.listKey,
@required this.removedItemBuilder,
Iterable<int> initialItems})
@required this.removedItemBuilder,
Iterable<int> initialItems})
: assert(listKey != null),
assert(removedItemBuilder != null),
_items = List<int>.from(initialItems ?? <int>[]);
@@ -637,7 +651,8 @@ class _ListModel {
void _removeAt(int index) {
final int removedItem = _items.removeAt(index);
if (removedItem != null) {
_animatedList.removeItem(index, (BuildContext context, Animation<double> animation) {
_animatedList.removeItem(index,
(BuildContext context, Animation<double> animation) {
return removedItemBuilder(removedItem, context, animation);
});
}