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EME_APP/eme-frontend/lib/widgets/ensup_top_bar.dart
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Dart

import "package:flutter/material.dart";
import "package:google_fonts/google_fonts.dart";
import "../theme/ensup_colors.dart";
/// Barre supérieure ENSUP. L'utilisateur et le bouton retour sont optionnels
/// (absents sur l'écran d'identification).
class EnsupTopBar extends StatelessWidget {
const EnsupTopBar({
super.key,
this.brandText = "EME",
required this.campusTag,
this.userName,
this.userInitials,
this.onBack,
});
final String brandText;
final String campusTag;
final String? userName;
final String? userInitials;
final VoidCallback? onBack;
@override
Widget build(BuildContext context) {
final name = userName;
final initials = userInitials;
final onBack = this.onBack;
return Container(
height: 56,
padding: const EdgeInsets.symmetric(horizontal: 20),
color: EnsupColors.blue3,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Row(
children: [
if (onBack != null) ...[
_BackButton(onTap: onBack),
const SizedBox(width: 8),
],
const Icon(Icons.badge_outlined, color: Colors.white, size: 18),
const SizedBox(width: 10),
Text(
brandText,
style: GoogleFonts.darkerGrotesque(
color: Colors.white,
fontWeight: FontWeight.w900,
fontSize: 22,
letterSpacing: 0.3,
),
),
],
),
Row(
children: [
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(999),
border: Border.all(color: Colors.white.withValues(alpha: 0.2)),
),
child: Text(
campusTag,
style: GoogleFonts.titilliumWeb(
color: Colors.white,
fontSize: 12,
fontWeight: FontWeight.w600,
),
),
),
if (name != null && initials != null) ...[
const SizedBox(width: 12),
_Avatar(initials: initials),
const SizedBox(width: 8),
Text(
name,
style: GoogleFonts.titilliumWeb(
color: Colors.white,
fontSize: 13,
fontWeight: FontWeight.w600,
),
),
],
],
),
],
),
);
}
}
class _BackButton extends StatelessWidget {
const _BackButton({required this.onTap});
final VoidCallback onTap;
@override
Widget build(BuildContext context) {
return InkWell(
onTap: onTap,
borderRadius: BorderRadius.circular(8),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.arrow_back, size: 16, color: Colors.white.withValues(alpha: 0.85)),
const SizedBox(width: 6),
Text(
"Retour",
style: GoogleFonts.titilliumWeb(
color: Colors.white.withValues(alpha: 0.85),
fontSize: 13,
fontWeight: FontWeight.w600,
),
),
],
),
),
);
}
}
class _Avatar extends StatelessWidget {
const _Avatar({required this.initials});
final String initials;
@override
Widget build(BuildContext context) {
return Container(
width: 30,
height: 30,
decoration: BoxDecoration(
shape: BoxShape.circle,
gradient: const LinearGradient(colors: [EnsupColors.teal, EnsupColors.cyan]),
border: Border.all(color: Colors.white.withValues(alpha: 0.3), width: 2),
),
alignment: Alignment.center,
child: Text(
initials,
style: GoogleFonts.darkerGrotesque(
color: Colors.white,
fontWeight: FontWeight.w900,
fontSize: 12,
),
),
);
}
}