freezer/lib/ui/elements.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:freezer/settings.dart';

class LeadingIcon extends StatelessWidget {
  final IconData icon;
  final Color? color;
  LeadingIcon(this.icon, {this.color});

  @override
  Widget build(BuildContext context) {
    return Container(
      width: 42.0,
      height: 42.0,
      decoration: BoxDecoration(
          color: (color ?? Theme.of(context).primaryColor).withOpacity(1.0),
          shape: BoxShape.circle),
      child: Icon(
        icon,
        color: Colors.white,
      ),
    );
  }
}

//Container with set size to match LeadingIcon
class EmptyLeading extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Container(width: 42.0, height: 42.0);
  }
}

class FreezerAppBar extends StatelessWidget implements PreferredSizeWidget {
  final String? title;
  final List<Widget> actions;
  final Widget? bottom;
  //Should be specified if bottom is specified
  final double height;
  final SystemUiOverlayStyle? systemUiOverlayStyle;

  const FreezerAppBar(this.title,
      {this.actions = const [],
      this.bottom,
      this.height = 56.0,
      this.systemUiOverlayStyle});

  Size get preferredSize => Size.fromHeight(this.height);

  @override
  Widget build(BuildContext context) {
    return Theme(
      data: ThemeData(
          primaryColor: (Theme.of(context).brightness == Brightness.light)
              ? Colors.white
              : Colors.black),
      child: AppBar(
        systemOverlayStyle: systemUiOverlayStyle,
        elevation: 0.0,
        backgroundColor: Theme.of(context).scaffoldBackgroundColor,
        title: Text(
          title!,
          style: TextStyle(
            fontWeight: FontWeight.w900,
          ),
        ),
        actions: actions,
        bottom: bottom as PreferredSizeWidget?,
      ),
    );
  }
}

class FreezerDivider extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Divider(
      thickness: 1.5,
      indent: 16.0,
      endIndent: 16.0,
    );
  }
}

TextStyle popupMenuTextStyle() {
  return TextStyle(color: settings.isDark ? Colors.white : Colors.black);
}