check if igc button is mounted before settings state
ggurdin
1 year ago
parent
58db38eec1
commit
db21eaac7a
@ -1,206 +0,0 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
Future<T?> showAlignedDialog<T>({
|
||||
required BuildContext context,
|
||||
required WidgetBuilder builder,
|
||||
bool barrierDismissible = true,
|
||||
Color? barrierColor = Colors.black54,
|
||||
String? barrierLabel,
|
||||
bool useRootNavigator = true,
|
||||
RouteSettings? routeSettings,
|
||||
Alignment followerAnchor = Alignment.center,
|
||||
Alignment targetAnchor = Alignment.center,
|
||||
Size? refChildSize,
|
||||
Offset offset = Offset.zero,
|
||||
bool avoidOverflow = false,
|
||||
bool isGlobal = false,
|
||||
RouteTransitionsBuilder? transitionsBuilder,
|
||||
Duration? duration,
|
||||
}) {
|
||||
assert(debugCheckHasMaterialLocalizations(context));
|
||||
|
||||
final CapturedThemes themes = InheritedTheme.capture(
|
||||
from: context,
|
||||
to: Navigator.of(
|
||||
context,
|
||||
rootNavigator: useRootNavigator,
|
||||
).context,
|
||||
);
|
||||
|
||||
final RenderBox targetBox = context.findRenderObject()! as RenderBox;
|
||||
final RenderBox overlay =
|
||||
Navigator.of(context).overlay!.context.findRenderObject()! as RenderBox;
|
||||
Offset position = targetBox
|
||||
.localToGlobal(targetAnchor.alongSize(targetBox.size), ancestor: overlay);
|
||||
|
||||
if (isGlobal) {
|
||||
position = overlay.localToGlobal(followerAnchor.alongSize(overlay.size));
|
||||
}
|
||||
|
||||
return Navigator.of(context, rootNavigator: useRootNavigator).push<T>(
|
||||
AlignedDialogRoute<T>(
|
||||
followerAlignment: followerAnchor,
|
||||
position: position,
|
||||
context: context,
|
||||
builder: builder,
|
||||
barrierColor: barrierColor,
|
||||
barrierDismissible: barrierDismissible,
|
||||
barrierLabel: barrierLabel,
|
||||
useSafeArea: isGlobal == true,
|
||||
settings: routeSettings,
|
||||
themes: themes,
|
||||
transitionsBuilder: transitionsBuilder,
|
||||
duration: duration,
|
||||
avoidOverflow: avoidOverflow,
|
||||
offset: offset,
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
class AlignedDialogRoute<T> extends RawDialogRoute<T> {
|
||||
/// A dialog route with Material entrance and exit animations,
|
||||
/// modal barrier color, and modal barrier behavior (dialog is dismissible
|
||||
/// with a tap on the barrier).
|
||||
AlignedDialogRoute({
|
||||
required BuildContext context,
|
||||
required WidgetBuilder builder,
|
||||
required Alignment followerAlignment,
|
||||
required Offset position,
|
||||
CapturedThemes? themes,
|
||||
super.barrierColor = Colors.transparent,
|
||||
super.barrierDismissible,
|
||||
String? barrierLabel,
|
||||
bool useSafeArea = false,
|
||||
super.settings,
|
||||
RouteTransitionsBuilder? transitionsBuilder,
|
||||
Duration? duration,
|
||||
bool avoidOverflow = false,
|
||||
Offset offset = Offset.zero,
|
||||
}) : super(
|
||||
pageBuilder: (
|
||||
BuildContext buildContext,
|
||||
Animation<double> animation,
|
||||
Animation<double> secondaryAnimation,
|
||||
) {
|
||||
final Widget pageChild = Builder(builder: builder);
|
||||
Widget dialog = Builder(
|
||||
builder: (BuildContext context) {
|
||||
final MediaQueryData mediaQuery = MediaQuery.of(context);
|
||||
return CustomSingleChildLayout(
|
||||
delegate: _FollowerDialogRouteLayout(
|
||||
followerAlignment,
|
||||
position,
|
||||
Directionality.of(context),
|
||||
mediaQuery.padding.top,
|
||||
mediaQuery.padding.bottom,
|
||||
offset,
|
||||
avoidOverflow,
|
||||
),
|
||||
child: pageChild,
|
||||
);
|
||||
},
|
||||
);
|
||||
dialog = themes?.wrap(dialog) ?? dialog;
|
||||
if (useSafeArea) {
|
||||
dialog = SafeArea(child: dialog);
|
||||
}
|
||||
return dialog;
|
||||
},
|
||||
barrierLabel: barrierLabel ??
|
||||
MaterialLocalizations.of(context).modalBarrierDismissLabel,
|
||||
transitionDuration: duration ?? const Duration(milliseconds: 200),
|
||||
transitionBuilder:
|
||||
transitionsBuilder ?? _buildMaterialDialogTransitions,
|
||||
);
|
||||
}
|
||||
|
||||
// Positioning of the menu on the screen.
|
||||
class _FollowerDialogRouteLayout extends SingleChildLayoutDelegate {
|
||||
_FollowerDialogRouteLayout(
|
||||
this.followerAnchor,
|
||||
this.position,
|
||||
this.textDirection,
|
||||
this.topPadding,
|
||||
this.bottomPadding,
|
||||
this.offset,
|
||||
this.avoidOverflow,
|
||||
);
|
||||
|
||||
final Alignment followerAnchor;
|
||||
|
||||
final Offset position;
|
||||
|
||||
final TextDirection textDirection;
|
||||
|
||||
final double topPadding;
|
||||
|
||||
final double bottomPadding;
|
||||
|
||||
final Offset offset;
|
||||
final bool avoidOverflow;
|
||||
|
||||
@override
|
||||
BoxConstraints getConstraintsForChild(BoxConstraints constraints) {
|
||||
// The menu can be at most the size of the overlay minus 8.0 pixels in each
|
||||
// direction.
|
||||
return BoxConstraints.loose(constraints.biggest)
|
||||
.deflate(EdgeInsets.only(top: topPadding, bottom: bottomPadding));
|
||||
}
|
||||
|
||||
@override
|
||||
Offset getPositionForChild(Size size, Size childSize) {
|
||||
Offset rst = followerAnchor.alongSize(childSize);
|
||||
rst = position - rst;
|
||||
rst += offset;
|
||||
if (avoidOverflow) {
|
||||
if (rst.dx < 0) rst = Offset(0, rst.dy);
|
||||
if (rst.dy < 0) rst = Offset(rst.dx, 0);
|
||||
if (rst.dx + childSize.width > size.width) {
|
||||
rst = Offset(size.width - childSize.width, rst.dy);
|
||||
}
|
||||
if (rst.dy + childSize.height > size.height) {
|
||||
rst = Offset(rst.dx, size.height - childSize.height);
|
||||
}
|
||||
}
|
||||
return rst;
|
||||
}
|
||||
|
||||
@override
|
||||
bool shouldRelayout(_FollowerDialogRouteLayout oldDelegate) {
|
||||
return followerAnchor != oldDelegate.followerAnchor ||
|
||||
position != oldDelegate.position ||
|
||||
offset != oldDelegate.offset ||
|
||||
avoidOverflow != oldDelegate.avoidOverflow ||
|
||||
textDirection != oldDelegate.textDirection ||
|
||||
topPadding != oldDelegate.topPadding ||
|
||||
bottomPadding != oldDelegate.bottomPadding;
|
||||
}
|
||||
}
|
||||
|
||||
Widget _buildMaterialDialogTransitions(
|
||||
BuildContext context,
|
||||
Animation<double> animation,
|
||||
Animation<double> secondaryAnimation,
|
||||
Widget child,
|
||||
) {
|
||||
return FadeTransition(
|
||||
opacity: CurvedAnimation(
|
||||
parent: animation,
|
||||
curve: Curves.easeOut,
|
||||
),
|
||||
child: child,
|
||||
);
|
||||
}
|
||||
|
||||
Offset _buildOffSet(
|
||||
BuildContext context, {
|
||||
required Size refChildSize,
|
||||
required Offset offset,
|
||||
}) {
|
||||
final Size screenSize = MediaQuery.of(context).size;
|
||||
final Size maxAvilableArea = Size(
|
||||
screenSize.width - refChildSize.width,
|
||||
screenSize.height - refChildSize.height,
|
||||
);
|
||||
return const Offset(0, 0);
|
||||
}
|
||||
Loading…
Reference in New Issue