146 lines
3.8 KiB
Dart
146 lines
3.8 KiB
Dart
/// Custom App Bar Widget
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///
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/// Reusable app bar with consistent styling across the app
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library;
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import 'package:flutter/material.dart';
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import '../../core/constants/ui_constants.dart';
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/// Custom app bar with consistent styling
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class CustomAppBar 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 centerTitle;
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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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final PreferredSizeWidget? bottom;
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final bool automaticallyImplyLeading;
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const CustomAppBar({
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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.centerTitle = true,
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this.backgroundColor,
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this.foregroundColor,
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this.elevation = AppElevation.none,
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this.bottom,
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this.automaticallyImplyLeading = true,
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});
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@override
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Widget build(BuildContext context) {
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return AppBar(
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title: Text(title),
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actions: actions,
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leading: leading,
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centerTitle: centerTitle,
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backgroundColor: backgroundColor,
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foregroundColor: foregroundColor,
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elevation: elevation,
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bottom: bottom,
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automaticallyImplyLeading: automaticallyImplyLeading,
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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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AppBarSpecs.height + (bottom?.preferredSize.height ?? 0),
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);
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}
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/// Transparent app bar for overlay scenarios
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class TransparentAppBar 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 centerTitle;
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final Color? foregroundColor;
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const TransparentAppBar({
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super.key,
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this.title,
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this.actions,
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this.leading,
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this.centerTitle = true,
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this.foregroundColor,
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});
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@override
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Widget build(BuildContext context) {
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return AppBar(
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title: title != null ? Text(title!) : null,
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actions: actions,
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leading: leading,
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centerTitle: centerTitle,
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backgroundColor: Colors.transparent,
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foregroundColor: foregroundColor ?? Colors.white,
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elevation: 0,
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);
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}
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@override
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Size get preferredSize => const Size.fromHeight(AppBarSpecs.height);
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}
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/// Search app bar with search field
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class SearchAppBar extends StatelessWidget implements PreferredSizeWidget {
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final String hintText;
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final ValueChanged<String>? onChanged;
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final ValueChanged<String>? onSubmitted;
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final VoidCallback? onClear;
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final TextEditingController? controller;
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final bool autofocus;
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final Widget? leading;
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const SearchAppBar({
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super.key,
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this.hintText = 'Tìm kiếm...',
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this.onChanged,
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this.onSubmitted,
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this.onClear,
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this.controller,
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this.autofocus = false,
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this.leading,
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});
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@override
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Widget build(BuildContext context) {
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return AppBar(
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leading: leading ??
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IconButton(
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icon: const Icon(Icons.arrow_back),
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onPressed: () => Navigator.of(context).pop(),
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),
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title: TextField(
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controller: controller,
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autofocus: autofocus,
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onChanged: onChanged,
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onSubmitted: onSubmitted,
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style: const TextStyle(color: Colors.white),
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decoration: InputDecoration(
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hintText: hintText,
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hintStyle: TextStyle(color: Colors.white.withOpacity(0.7)),
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border: InputBorder.none,
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suffixIcon: controller?.text.isNotEmpty ?? false
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? IconButton(
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icon: const Icon(Icons.clear, color: Colors.white),
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onPressed: () {
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controller?.clear();
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onClear?.call();
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},
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)
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: null,
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),
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),
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elevation: AppElevation.none,
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);
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}
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@override
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Size get preferredSize => const Size.fromHeight(AppBarSpecs.height);
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}
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