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DahoudG
2025-08-20 21:00:35 +00:00
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unionflow-mobile-apps/lib/features/auth/presentation/widgets/login_header.dart Normal file
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import 'package:flutter/material.dart';
import '../../../../shared/theme/app_theme.dart';
/// En-tête de la page de connexion avec logo et animation
class LoginHeader extends StatefulWidget {
final VoidCallback? onAnimationComplete;
const LoginHeader({
super.key,
this.onAnimationComplete,
});
@override
State<LoginHeader> createState() => _LoginHeaderState();
}
class _LoginHeaderState extends State<LoginHeader>
with TickerProviderStateMixin {
late AnimationController _logoController;
late AnimationController _textController;
late Animation<double> _logoScaleAnimation;
late Animation<double> _logoRotationAnimation;
late Animation<double> _textFadeAnimation;
late Animation<Offset> _textSlideAnimation;
@override
void initState() {
super.initState();
_setupAnimations();
_startAnimations();
}
void _setupAnimations() {
_logoController = AnimationController(
duration: const Duration(milliseconds: 1000),
vsync: this,
);
_textController = AnimationController(
duration: const Duration(milliseconds: 800),
vsync: this,
);
_logoScaleAnimation = Tween<double>(
begin: 0.5,
end: 1.0,
).animate(CurvedAnimation(
parent: _logoController,
curve: Curves.elasticOut,
));
_logoRotationAnimation = Tween<double>(
begin: -0.1,
end: 0.0,
).animate(CurvedAnimation(
parent: _logoController,
curve: Curves.easeOut,
));
_textFadeAnimation = Tween<double>(
begin: 0.0,
end: 1.0,
).animate(CurvedAnimation(
parent: _textController,
curve: Curves.easeOut,
));
_textSlideAnimation = Tween<Offset>(
begin: const Offset(0, 0.5),
end: Offset.zero,
).animate(CurvedAnimation(
parent: _textController,
curve: Curves.easeOut,
));
}
void _startAnimations() {
_logoController.forward().then((_) {
_textController.forward().then((_) {
widget.onAnimationComplete?.call();
});
});
}
@override
void dispose() {
_logoController.dispose();
_textController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Column(
children: [
// Logo animé
AnimatedBuilder(
animation: _logoController,
builder: (context, child) {
return Transform.scale(
scale: _logoScaleAnimation.value,
child: Transform.rotate(
angle: _logoRotationAnimation.value,
child: _buildLogo(),
),
);
},
),
const SizedBox(height: 32),
// Texte animé
AnimatedBuilder(
animation: _textController,
builder: (context, child) {
return FadeTransition(
opacity: _textFadeAnimation,
child: SlideTransition(
position: _textSlideAnimation,
child: _buildWelcomeText(),
),
);
},
),
],
);
}
Widget _buildLogo() {
return Container(
width: 120,
height: 120,
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
AppTheme.primaryColor,
AppTheme.secondaryColor,
],
),
borderRadius: BorderRadius.circular(30),
boxShadow: [
BoxShadow(
color: AppTheme.primaryColor.withOpacity(0.3),
blurRadius: 20,
offset: const Offset(0, 10),
),
],
),
child: Stack(
alignment: Alignment.center,
children: [
// Effet de brillance
Container(
width: 100,
height: 100,
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
Colors.white.withOpacity(0.2),
Colors.transparent,
],
),
borderRadius: BorderRadius.circular(25),
),
),
// Icône ou texte du logo
Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.group,
size: 48,
color: Colors.white,
),
const SizedBox(height: 4),
Text(
'UF',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.white,
letterSpacing: 2,
),
),
],
),
],
),
);
}
Widget _buildWelcomeText() {
return Column(
children: [
// Titre principal
ShaderMask(
shaderCallback: (bounds) => LinearGradient(
colors: [
AppTheme.primaryColor,
AppTheme.secondaryColor,
],
).createShader(bounds),
child: Text(
'UnionFlow',
style: TextStyle(
fontSize: 32,
fontWeight: FontWeight.bold,
color: Colors.white,
letterSpacing: 1.2,
),
),
),
const SizedBox(height: 8),
// Sous-titre
Text(
'Gestion d\'associations',
style: TextStyle(
fontSize: 16,
color: AppTheme.textSecondary,
fontWeight: FontWeight.w500,
letterSpacing: 0.5,
),
),
const SizedBox(height: 24),
// Message de bienvenue
Container(
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
decoration: BoxDecoration(
color: AppTheme.primaryColor.withOpacity(0.1),
borderRadius: BorderRadius.circular(20),
border: Border.all(
color: AppTheme.primaryColor.withOpacity(0.2),
width: 1,
),
),
child: Text(
'Connectez-vous pour accéder à votre espace',
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 14,
color: AppTheme.primaryColor,
fontWeight: FontWeight.w500,
),
),
),
],
);
}
}