104 lines
3.4 KiB
Dart
104 lines
3.4 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import '../unionflow_design_system.dart';
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/// AppBar standardisé UnionFlow
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///
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/// Composant AppBar unifié pour toutes les pages de détail/formulaire.
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/// Garantit la cohérence visuelle et l'expérience utilisateur.
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///
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/// Si [mergeLeadingWithTitle] est true et que la route peut être quittée,
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/// le bouton retour et le titre sont fusionnés en une seule ligne (retour
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/// toujours visible avec la même couleur que le titre).
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class UFAppBar extends StatelessWidget implements PreferredSizeWidget {
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final String title;
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final List<Widget>? actions;
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final Widget? leading;
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final bool automaticallyImplyLeading;
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/// Fusionne le bouton retour et le titre en une seule zone (retour visible, même couleur que le titre).
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final bool mergeLeadingWithTitle;
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final PreferredSizeWidget? bottom;
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final Color? backgroundColor;
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final Color? foregroundColor;
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final double elevation;
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const UFAppBar({
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super.key,
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required this.title,
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this.actions,
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this.leading,
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this.automaticallyImplyLeading = true,
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this.mergeLeadingWithTitle = false,
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this.bottom,
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this.backgroundColor,
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this.foregroundColor,
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this.elevation = 0,
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});
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@override
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Widget build(BuildContext context) {
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final canPop = ModalRoute.of(context)?.canPop ?? false;
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final fg = foregroundColor ?? Colors.white;
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final useMergedTitle = mergeLeadingWithTitle && canPop;
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final isTransparent = backgroundColor == Colors.transparent ||
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(backgroundColor != null && backgroundColor!.opacity < 0.1);
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return AppBar(
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title: useMergedTitle
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? Row(
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children: [
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Material(
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color: isTransparent ? Colors.black26 : Colors.transparent,
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borderRadius: BorderRadius.circular(20),
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child: IconButton(
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icon: const Icon(Icons.arrow_back),
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onPressed: () => Navigator.of(context).pop(),
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color: fg,
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tooltip: 'Retour',
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style: IconButton.styleFrom(
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foregroundColor: fg,
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),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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title,
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style: AppTypography.headerSmall.copyWith(
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color: fg,
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fontWeight: FontWeight.w600,
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),
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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)
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: Text(title),
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backgroundColor: backgroundColor ?? AppColors.primaryGreen,
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foregroundColor: fg,
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elevation: elevation,
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leading: useMergedTitle ? null : leading,
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automaticallyImplyLeading: useMergedTitle ? false : automaticallyImplyLeading,
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actions: actions,
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bottom: bottom,
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systemOverlayStyle: const SystemUiOverlayStyle(
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statusBarColor: Colors.transparent,
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statusBarIconBrightness: Brightness.light,
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statusBarBrightness: Brightness.dark,
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),
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centerTitle: false,
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titleTextStyle: AppTypography.headerSmall.copyWith(
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color: fg,
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fontWeight: FontWeight.w600,
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),
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);
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}
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@override
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Size get preferredSize => Size.fromHeight(
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kToolbarHeight + (bottom?.preferredSize.height ?? 0.0),
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);
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}
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