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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| import 'package:flutter/material.dart'; | ||
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|
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| class SearchAppBar extends StatefulWidget implements PreferredSizeWidget { | ||
| SearchAppBar({ | ||
| super.key, | ||
| required this.title, | ||
| required this.textEditingController, | ||
| this.actions, | ||
| this.bottom, | ||
| this.flexibleSpace, | ||
| this.toolbarHeight, | ||
| this.onSubmitted, | ||
| this.onChanged, | ||
| this.hintText, | ||
| }) : preferredSize = | ||
| _PreferredAppBarSize(toolbarHeight, bottom?.preferredSize.height); | ||
| final String title; | ||
| final List<Widget>? actions; | ||
| final PreferredSizeWidget? bottom; | ||
| final Widget? flexibleSpace; | ||
| final double? toolbarHeight; | ||
| final TextEditingController textEditingController; | ||
| final Function(String)? onSubmitted; | ||
| final Function(String)? onChanged; | ||
| final String? hintText; | ||
|
|
||
| @override | ||
| State<SearchAppBar> createState() => _SearchAppBarState(); | ||
|
|
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| @override | ||
| final Size preferredSize; | ||
| } | ||
|
|
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| class _SearchAppBarState extends State<SearchAppBar> { | ||
| late bool _showSearch = widget.textEditingController.text.isNotEmpty; | ||
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| return AppBar( | ||
| title: _showSearch | ||
| ? TextField( | ||
| controller: widget.textEditingController, | ||
| decoration: InputDecoration( | ||
| hintText: widget.hintText ?? widget.title, | ||
| border: InputBorder.none, | ||
| ), | ||
| autofocus: true, | ||
| onChanged: widget.onChanged, | ||
| onSubmitted: widget.onSubmitted, | ||
| ) | ||
| : Text(widget.title), | ||
| actions: [ | ||
| IconButton( | ||
| onPressed: () { | ||
| setState(() { | ||
| _showSearch = !_showSearch; | ||
| if (!_showSearch) widget.onSubmitted?.call(""); | ||
| }); | ||
| }, | ||
| icon: Icon(_showSearch ? Icons.close : Icons.search), | ||
| ), | ||
| ...widget.actions ?? [], | ||
| ], | ||
| bottom: widget.bottom, | ||
| flexibleSpace: widget.flexibleSpace, | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class _PreferredAppBarSize extends Size { | ||
| _PreferredAppBarSize(this.toolbarHeight, this.bottomHeight) | ||
| : super.fromHeight( | ||
| (toolbarHeight ?? kToolbarHeight) + (bottomHeight ?? 0)); | ||
|
|
||
| final double? toolbarHeight; | ||
| final double? bottomHeight; | ||
| } |