From da9764a51ce45efefbcf864f20017d216bc7800e Mon Sep 17 00:00:00 2001 From: toly <1981462002@qq.com> Date: Sun, 20 Dec 2020 16:58:17 +0800 Subject: [PATCH] =?UTF-8?q?:sparkles:=20ModalBarrier=E3=80=81AnimatedModal?= =?UTF-8?q?Barrier=E3=80=81DefaultAssetBundle=E3=80=81DropdownButtonFormFi?= =?UTF-8?q?eld=E3=80=81FormField=E3=80=81InheritedWidget=E3=80=81Paginated?= =?UTF-8?q?DataTable?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- assets/flutter.db | Bin 946176 -> 970752 bytes .../DefaultAssetBundle/node1_base.dart | 51 +++++ .../InheritedTheme/node1_base.dart | 32 +-- .../InheritedWidget/node1_base.dart | 58 +++++ .../AnimatedModalBarrier/node1_base.dart | 55 +++++ .../DropdownButtonFormField/node1_base.dart | 69 ++++++ .../StatefulWidget/FormField/node1_base.dart | 36 +++ .../PaginatedDataTable/node1_base.dart | 214 ++++++++++++++++++ .../TextFormField/node1_base.dart | 44 ++-- .../ModalBarrier/node1_base.dart | 32 +++ 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z<3%j}3*)FJB@60JF&TT@C$iP?b{UNRhp|U?RbVdM`p^iH6p?Orv%$PhoWt_B>e0%?Q?1imwiMw0WK3 zb?xtM&0dCRFNFKzu@J+1+}fUIxh&H-!KkBgI7(Y;K9XfGLg)3z7s6W}g6aw83ej2m z1`lwS?$RYbxMXfoN9Vu?YP2Iw)xA8kJSVrnIZ{VEIN9e^f9K|hB-;7)XBOuCI$M&R zSI?<|PWJPn>|8jfwsA_QD6(_Ef9JXLY9D9UB5df^ptp45wi$|ZYJ;jczfLmSJ6o!l;;il`aVPsjwY_urt`zEw zpKNw=wlt%iHQ9`JE+(0hvwN}`<$RiCDo*w%dRwP-EQ@p&e?$yt%4=))ajn!88H0W{O{GK-Xxi55X znSI^car(FBDG_hS0e8$Ij<@5bcggZV_vie0nf2h_x7P=?SvxeZ6x+&gM>XBLr$~M{x z?E_Hwxi1**jP)$ztYNG#2zCzjOvKbr4hVWH;$Hi95cWu(FBCS-^yH~*`BYyBoJjM0 z$~ R#hlgj_O*jedpy1Ae*<1aMG*i1 diff --git a/lib/views/widgets/ProxyWidget/DefaultAssetBundle/node1_base.dart b/lib/views/widgets/ProxyWidget/DefaultAssetBundle/node1_base.dart new file mode 100644 index 0000000..942dcbc --- /dev/null +++ b/lib/views/widgets/ProxyWidget/DefaultAssetBundle/node1_base.dart @@ -0,0 +1,51 @@ +import 'package:flutter/material.dart'; +import 'package:flutter/services.dart'; +import 'dart:ui' as ui; +/// create by 张风捷特烈 on 2020-04-01 +/// contact me by email 1981462002@qq.com +/// 说明: 320 DefaultAssetBundle 默认资源包 +/// 一个 InheritedWidget，设置 AssetBundle 对象后，该节点后的节点上下文可以通过 DefaultAssetBundle.of(context) 获取 AssetBundle 对象用于访问资源文件。 +// { +// "widgetId": 320, +// "name": 'DefaultAssetBundle 介绍', +// "priority": 1, +// "subtitle": +// "【bundle】 : *资源包 【AssetBundle】\n" +// "【child】 : *子组件 【Widget】\n" +// "我们可以定义自己的 DefaultAssetBundle 来供后续节点使用，也可以直接使用默认的。该案例演示通过框架提供的 DefaultAssetBundle 加载一张资源图片进行显示。", +// } +class DefaultAssetBundleDemo extends StatefulWidget { + @override + _DefaultAssetBundleDemoState createState() => _DefaultAssetBundleDemoState(); +} + +class _DefaultAssetBundleDemoState extends State { + ui.Image _image; + @override + void initState() { + super.initState(); + _load(); + } + + @override + Widget build(BuildContext context) { + + return Container( + width: 150, + height: 150, + color: Colors.blue.withOpacity(0.1), + padding: EdgeInsets.all(10), + margin: EdgeInsets.all(10), + child: _image==null?Container():RawImage(image: _image,fit: BoxFit.cover,), + ); + } + + void _load() async{ + AssetBundle info = DefaultAssetBundle.of(context); + ByteData data = await info.load('assets/images/sabar.webp'); + _image = await decodeImageFromList(data.buffer.asUint8List()); + setState(() { + + }); + } +} diff --git a/lib/views/widgets/ProxyWidget/InheritedTheme/node1_base.dart b/lib/views/widgets/ProxyWidget/InheritedTheme/node1_base.dart index 65e0450..da33c08 100644 --- a/lib/views/widgets/ProxyWidget/InheritedTheme/node1_base.dart +++ b/lib/views/widgets/ProxyWidget/InheritedTheme/node1_base.dart @@ -36,24 +36,24 @@ class TestBody extends StatelessWidget { margin: EdgeInsets.only(left: 40,right: 40), alignment: Alignment.center, color: Theme.of(context).primaryColor.withOpacity(0.1), - child: Text('点我进入下页'))); + child: Text('InheritedTheme'))); } void _toNextPage(BuildContext context) { - final NavigatorState navigator = Navigator.of(context); - final CapturedThemes themes = - InheritedTheme.capture(from: context, to: navigator.context); - - Navigator.of(context).push( - MaterialPageRoute( - builder: (BuildContext _) { - return themes.wrap(Container( - alignment: Alignment.center, - color: Colors.white, - child: Text('Flutter Unit'), - )); - }, - ), - ); + // final NavigatorState navigator = Navigator.of(context); + // final CapturedThemes themes = + // InheritedTheme.capture(from: context, to: navigator.context); + // + // Navigator.of(context).push( + // MaterialPageRoute( + // builder: (BuildContext _) { + // return themes.wrap(Container( + // alignment: Alignment.center, + // color: Colors.white, + // child: Text('Flutter Unit'), + // )); + // }, + // ), + // ); } } diff --git a/lib/views/widgets/ProxyWidget/InheritedWidget/node1_base.dart b/lib/views/widgets/ProxyWidget/InheritedWidget/node1_base.dart new file mode 100644 index 0000000..2845693 --- /dev/null +++ b/lib/views/widgets/ProxyWidget/InheritedWidget/node1_base.dart @@ -0,0 +1,58 @@ +import 'package:flutter/material.dart'; + +/// create by 张风捷特烈 on 2020/9/21 +/// contact me by email 1981462002@qq.com +/// 说明: 346 InheritedWidget 传承组件 +/// 该类是抽象类，作用是可以在本上下文存储数据，在其后续节点的上下文中共享该数据。有很多实现类，包括各种主题组件、MediaQuery等。 +/// link: 167,319,328,324,331 +/// +// { +// "widgetId": 346, +// "name": 'InheritedWidget 使用', +// "priority": 1, +// "subtitle": +// "【child】 : 子组件 【Widget】\n" +// "下面是一个简单的自定义 InheritedWidget，实现信息的子树共享。", +// } + +class InheritedWidgetDemo extends StatelessWidget { + final String info = + 'InheritedWidget 是一个抽象类，不可以直接使用。可以自定义对应共享数据的子类，如这里的通过 InfoInheritedWidget 实现：当前这段话可以在任意子树节点上下文获取。' + '一般都会定义一个 XXX.of(context) 的方法来获取数据，如 MediaQuery.of，Theme.of 等。'; + + @override + Widget build(BuildContext context) { + return InfoInheritedWidget( + info: info, + child: InfoWidget(), + ); + } +} + +class InfoWidget extends StatelessWidget { + @override + Widget build(BuildContext context) { + String info = InfoInheritedWidget.of(context).info; + + return Container( + color: Colors.blue.withOpacity(0.1), + padding: EdgeInsets.all(10), + margin: EdgeInsets.all(10), + child: Text(info), + ); + } +} + +class InfoInheritedWidget extends InheritedWidget { + final String info; + + InfoInheritedWidget({Key key, this.info, @required Widget child}) + : super(key: key, child: child); + + @override + bool updateShouldNotify(covariant InfoInheritedWidget oldWidget) => + info != oldWidget.info; + + static InfoInheritedWidget of(BuildContext context) => + context.dependOnInheritedWidgetOfExactType(); +} diff --git a/lib/views/widgets/StatefulWidget/AnimatedModalBarrier/node1_base.dart b/lib/views/widgets/StatefulWidget/AnimatedModalBarrier/node1_base.dart new file mode 100644 index 0000000..95ad73f --- /dev/null +++ b/lib/views/widgets/StatefulWidget/AnimatedModalBarrier/node1_base.dart @@ -0,0 +1,55 @@ +import 'package:flutter/material.dart'; + +/// create by 张风捷特烈 on 2020-04-01 +/// contact me by email 1981462002@qq.com +/// 说明: 227 AnimatedModalBarrier 动画屏障模 +/// 内部依赖 ModalBarrier 实现，功能一致，只不过该组件可以传入一个颜色动画，进行过渡展现。 +/// link: 212 +// { +// "widgetId": 227, +// "name": 'AnimatedModalBarrier 介绍', +// "priority": 1, +// "subtitle": +// "【dismissible】 : 点击是否返回 【bool】\n" +// "【color】 : 颜色 【Animation】", +// } +class AnimatedModalBarrierDemo extends StatefulWidget { + @override + _AnimatedModalBarrierDemoState createState() => _AnimatedModalBarrierDemoState(); +} + +class _AnimatedModalBarrierDemoState extends State + with SingleTickerProviderStateMixin { + AnimationController _controller; + Animation _color; + + @override + void initState() { + super.initState(); + _controller = + AnimationController(vsync: this, duration: Duration(seconds: 2))..forward(); + _color = ColorTween(begin: Colors.blue, end: Colors.purple) + .animate(_controller); + } + + @override + void dispose() { + _controller.dispose(); + super.dispose(); + } + + @override + Widget build(BuildContext context) { + return Container( + width: 200, + height: 100, + child: Stack(alignment: Alignment.center, children: [ + AnimatedModalBarrier( + dismissible: true, + color: _color, + ), + Text('点击背景返回',style: TextStyle(color: Colors.white),) + ]), + ); + } +} diff --git a/lib/views/widgets/StatefulWidget/DropdownButtonFormField/node1_base.dart b/lib/views/widgets/StatefulWidget/DropdownButtonFormField/node1_base.dart new file mode 100644 index 0000000..18b6495 --- /dev/null +++ b/lib/views/widgets/StatefulWidget/DropdownButtonFormField/node1_base.dart @@ -0,0 +1,69 @@ +import 'package:flutter/material.dart'; + +/// create by 张风捷特烈 on 2020/9/21 +/// contact me by email 1981462002@qq.com +/// 说明: 223 DropdownButtonFormField 表单下拉框 +/// 底层依赖 DropdownButton 实现，所以基本属性类似。但拥有 FormField 的特性，可以回调 onSaved、validator 方法。 +/// link: 55,222 +/// +// { +// "widgetId": 223, +// "name": '表单下拉框简单使用', +// "priority": 1, +// "subtitle": +// "【items】 : 子组件列表 【List>】\n" +// "【validator】 : 表单验证回调 【FormFieldValidator】\n" +// "【onSaved】 : 表单保存回调 【FormFieldSetter】\n" +// "其他属性详见 DropdownButton，表单校验特性详见 FormField。", +// } + +class DropdownButtonFormFieldDemo extends StatefulWidget { + @override + _DropdownButtonFormFieldDemoState createState() => _DropdownButtonFormFieldDemoState(); +} + +class _DropdownButtonFormFieldDemoState extends State { + Color _color; + final _colors = [Colors.red, Colors.yellow, Colors.blue, Colors.green]; + final _info = ["红色", "黄色", "蓝色", "绿色"]; + + @override + Widget build(BuildContext context) { + return Wrap( + children: [ + Container( + margin: EdgeInsets.symmetric(horizontal: 20), + width: 50, + height: 50, + color: _color??_colors[0], + ), + + SizedBox( + width: 80, + child: DropdownButtonFormField( + value: _color, + elevation: 1, + hint: Text('选择颜色',style: TextStyle(fontSize: 12),), + icon: Icon( + Icons.expand_more, + size: 20, + color: _color, + ), + items: _buildItems(), + onChanged: (v) => setState(() => _color = v) + ), + ) + + ], + ); + } + + List> _buildItems() => _colors + .map((e) => DropdownMenuItem( + value: e, + child: Text( + _info[_colors.indexOf(e)], + style: TextStyle(color: e), + ))) + .toList(); +} \ No newline at end of file diff --git a/lib/views/widgets/StatefulWidget/FormField/node1_base.dart b/lib/views/widgets/StatefulWidget/FormField/node1_base.dart new file mode 100644 index 0000000..dd7fab8 --- /dev/null +++ b/lib/views/widgets/StatefulWidget/FormField/node1_base.dart @@ -0,0 +1,36 @@ +import 'package:flutter/material.dart'; + +/// create by 张风捷特烈 on 2020-04-01 +/// contact me by email 1981462002@qq.com +/// 说明: 222 FormField 表单字段 +/// 一个表单字段，需要在 Form 组件中使用，内含泛型 T 的字段作为状态量，对根据字段的更新和验证会触发相应回调。 +/// link:198,199,223, +// { +// "widgetId": 222, +// "name": 'FormField 介绍', +// "priority": 1, +// "subtitle": +// "【builder】 : 内容构造器 【FormFieldBuilder】\n" +// "【initialValue】 : 初始值 【T】\n" +// "【validator】 : 验证函数 【FormFieldValidator 】\n" +// "【enabled】 : 是否有效 【bool】\n" +// "【onSaved】 : 表单save时回调 【FormFieldSetter】", +// } +class FormFieldDemo extends StatelessWidget { + final String info = + 'FormField 代表表单中的一个字段，对于字符串类型的字段，框架中封装了 TextFormField 以便使用；下拉选择的字段，用 DropdownButtonFormField。' + '目前框架中 FormField 的子类也只有这两个。既然是表单字段，必然是要和 Form 组件一起使用。通过对 Form 添加 GlobalKey ，来获取 FormState 对象。' + '当 FormState 调用 save 方法时，所有的 FormField 都会触发 onSave 方法，当 FormState 调用 validate 方法时，所有的 FormField 都会触发 validate 方法。'; + + @override + Widget build(BuildContext context) { + + + return Container( + color: Colors.blue.withOpacity(0.1), + padding: EdgeInsets.all(10), + margin: EdgeInsets.all(10), + child: Text(info), + ); + } +} diff --git a/lib/views/widgets/StatefulWidget/PaginatedDataTable/node1_base.dart b/lib/views/widgets/StatefulWidget/PaginatedDataTable/node1_base.dart new file mode 100644 index 0000000..2d56de2 --- /dev/null +++ b/lib/views/widgets/StatefulWidget/PaginatedDataTable/node1_base.dart @@ -0,0 +1,214 @@ +import 'package:flutter/material.dart'; + +/// create by 张风捷特烈 on 2020-04-01 +/// contact me by email 1981462002@qq.com +/// 说明: 235 PaginatedDataTable 可分页表格 +/// 一个功能丰富的可分页表格组件，可指定分页数、排列、页码前后切换。 +/// link: 110,102 +// { +// "widgetId": 235 , +// "name": 'PaginatedDataTable 使用', +// "priority": 1, +// "subtitle": +// "【header】 : 表名 【Widget】\n" +// "【rowsPerPage】 : 每页记录数 【int】\n" +// "【actions】 : 操作组件 【List】\n" +// "【columns】 : 数据列 【List】\n" +// "【sortColumnIndex】 : 排序列索引 【int】\n" +// "【sortAscending】 : 是否升序 【bool】\n" +// "【onSelectAll】 : 全选回调 【ValueSetter】\n" +// "【onRowsPerPageChanged】 : 分页改变监听 【ValueChanged】\n" +// "【availableRowsPerPage】 : 可用分页列表 【List】\n" +// "【source】 : 数据源 【DataTableSource】", +// } +class PaginatedDataTableDemo extends StatefulWidget { + @override + State createState() => _PaginatedDataTableDemoState(); +} + +class _PaginatedDataTableDemoState extends State { + int _rowsPerPage = 5; + + int _sortColumnIndex; + bool _sortAscending = true; + + final DessertDataSource _dessertsDataSource = DessertDataSource(); + + void sort( + Comparable getField(HeroInfo d), int columnIndex, bool ascending) { + _dessertsDataSource.sort(getField, ascending); + setState(() { + _sortColumnIndex = columnIndex; + _sortAscending = ascending; + }); + } + + @override + Widget build(BuildContext context) { + return Container( + height: 300, + width: 350, + child: SingleChildScrollView( + child: PaginatedDataTable( + actions: [ + IconButton(icon: Icon(Icons.add), onPressed: null), + ], + header: const Text( + '《旷古奇书》-角色预设', + style: TextStyle(color: Colors.blue), + ), + rowsPerPage: _rowsPerPage, + availableRowsPerPage: [5, 8, 10, 15], + onRowsPerPageChanged: (int value) { + setState(() { + _rowsPerPage = value; + }); + }, + sortColumnIndex: _sortColumnIndex, + sortAscending: _sortAscending, + onSelectAll: _dessertsDataSource._selectAll, + columns: [ + DataColumn( + label: const Text('角色名称'), + onSort: (int columnIndex, bool ascending) => sort( + (HeroInfo d) => d.name, columnIndex, ascending)), + DataColumn( + label: const Text('主场卷部'), + tooltip: '人物主要出场的作品.', + numeric: true, + onSort: (int columnIndex, bool ascending) => sort( + (HeroInfo d) => d.calories, columnIndex, ascending)), + DataColumn( + label: const Text('种族'), + numeric: true, + onSort: (int columnIndex, bool ascending) => sort( + (HeroInfo d) => d.fat, columnIndex, ascending)), + DataColumn( + label: const Text('性别'), + numeric: true, + onSort: (int columnIndex, bool ascending) => sort( + (HeroInfo d) => d.carbs, columnIndex, ascending)), + ], + source: _dessertsDataSource), + )); + } +} + +class HeroInfo { + HeroInfo(this.name, this.calories, this.fat, this.carbs); + + final String name; + final String calories; + final String fat; + final String carbs; + bool selected = false; +} + +class DessertDataSource extends DataTableSource { + final List _desserts = [ + HeroInfo('捷特', '《幻将录》', "人族", "男"), + HeroInfo('龙少', '《幻将录》', "人族", "男"), + HeroInfo('巫缨', '《幻将录》', "人族", "女"), + HeroInfo('林兮', '《幻将录》', "人族", "男"), + HeroInfo('九方玄玉', '《风神传》', "神族", "男"), + HeroInfo('七日洪荒', '《风神传》', "魔族", "男"), + HeroInfo('林昔瑶', '《封妖志》', "鬼族", "女"), + HeroInfo('林兮鬼帝', '《封妖志》', "鬼族", "男"), + HeroInfo('艾隆', '《封妖志》', "鬼族", "男"), + HeroInfo('语熙华', '《风神传》', "道族", "男"), + HeroInfo('雪玉宛如', '《幻将录》', "人族", "女"), + HeroInfo('破千', '《幻将录》', "人族", "男"), + HeroInfo('浪封', '《幻将录》', "人族", "男"), + HeroInfo('虎翼穷奇', '《封妖志》', "妖族", "男"), + HeroInfo('凯', '《幻将录》', "人族", "男"), + HeroInfo('荆棘', '《幻将录》', "人族", "女"), + HeroInfo('龙右', '《幻将录》', "人族", "男"), + HeroInfo('梦千', '《幻将录》', "人族", "男"), + HeroInfo('梦小梦', '《幻将录》', "人族", "女"), + HeroInfo('梦瞳', '《幻将录》', "人族", "男"), + HeroInfo('十戈', '《幻将录》', "人族", "男"), + HeroInfo('计画天', '《幻将录》', "人族", "女"), + HeroInfo('士方', '《幻将录》', "人族", "男"), + HeroInfo('巫妻孋', '《幻将录》', "人族", "女"), + HeroInfo('木时黎', '《永恒传说》', "人族", "男"), + HeroInfo('木艾奇', '《永恒传说》', "人族", "男"), + HeroInfo('张风', '《永恒传说》', "人族", "男"), + HeroInfo('薛剑儿', '《永恒传说》', "人族", "男"), + HeroInfo('李月', '《永恒传说》', "人族", "女"), + HeroInfo('刘雪', '《永恒传说》', "人族", "女"), + HeroInfo('葛心', '《永恒传说》', "人族", "女"), + HeroInfo('步映容', '《幻将录》', "人族", "女"), + HeroInfo('莫慈良', '《幻将录》', "人族", "男"), + HeroInfo('莫向阳', '《幻将录》', "人族", "男"), + HeroInfo('莫子薇', '《永恒传说》', "人族", "女"), + HeroInfo('藏凯阳', '《永恒传说》', "人族", "男"), + HeroInfo('奇雨歆', '《永恒传说》', "人族", "女"), + HeroInfo('林天蕊', '《永恒传说》', "人族", "女"), + HeroInfo('吴灏然', '《永恒传说》', "人族", "男"), + HeroInfo('何解连', '《永恒传说》', "人族", "男"), + HeroInfo('步络尘', '《幻将录》', "人族", "男"), + HeroInfo('拓雷', '《幻将录》', "人族", "男"), + HeroInfo('炽阳骑', '《幻将录》', "人族", "男"), + HeroInfo('正构', '《幻将录》', "人族", "男"), + HeroInfo('烈', '《幻将录》', "人族", "男"), + HeroInfo('梦华君', '《幻将录》', "人族", "男"), + HeroInfo('初星', '《幻将录》', "人族", "男"), + HeroInfo('梦飞烟', '《幻将录》', "人族", "男"), + HeroInfo('武落英', '《幻将录》', "人族", "女"), + HeroInfo('古千缘', '《幻将录》', "人族", "男"), + ]; + + void sort(Comparable getField(HeroInfo d), bool ascending) { + _desserts.sort((HeroInfo a, HeroInfo b) { + if (!ascending) { + final HeroInfo c = a; + a = b; + b = c; + } + final Comparable aValue = getField(a); + final Comparable bValue = getField(b); + return Comparable.compare(aValue, bValue); + }); + notifyListeners(); + } + + int _selectedCount = 0; + + @override + DataRow getRow(int index) { + if (index >= _desserts.length) return null; + final HeroInfo dessert = _desserts[index]; + return DataRow.byIndex( + index: index, + selected: dessert.selected, + onSelectChanged: (bool value) { + if (dessert.selected != value) { + _selectedCount += value ? 1 : -1; + assert(_selectedCount >= 0); + dessert.selected = value; + notifyListeners(); + } + }, + cells: [ + DataCell(Center(child: Text('${dessert.name}'))), + DataCell(Center(child: Text('${dessert.calories}'))), + DataCell(Center(child: Text('${dessert.fat}'))), + DataCell(Center(child: Text('${dessert.carbs}'))), + ]); + } + + @override + bool get isRowCountApproximate => false; + + @override + int get rowCount => _desserts.length; + + @override + int get selectedRowCount => _selectedCount; + + void _selectAll(bool checked) { + for (HeroInfo dessert in _desserts) dessert.selected = checked; + _selectedCount = checked ? _desserts.length : 0; + notifyListeners(); + } +} diff --git a/lib/views/widgets/StatefulWidget/TextFormField/node1_base.dart b/lib/views/widgets/StatefulWidget/TextFormField/node1_base.dart index 97d1f02..2605f83 100644 --- a/lib/views/widgets/StatefulWidget/TextFormField/node1_base.dart +++ b/lib/views/widgets/StatefulWidget/TextFormField/node1_base.dart @@ -23,37 +23,23 @@ class _CustomTextFormFieldState extends State { @override Widget build(BuildContext context) { - return Container( - child: Form( - key: _formKey, - child: - Stack( - alignment: Alignment.centerRight, - children: [ - Container( - width: 350, - child: UnconstrainedBox( - child: Container( - width: 200, - height: 70, - child: TextFormField( - style: TextStyle(textBaseline: TextBaseline.alphabetic), - decoration: InputDecoration( - border: OutlineInputBorder(), - labelText: 'username', - ), - validator: _validateUsername, - onFieldSubmitted: _onFieldSubmitted, - onSaved: _onSaved, - ), - ), - ), + return Row( + children: [ + SizedBox(width: 40), + Expanded( + child: TextFormField( + style: TextStyle(textBaseline: TextBaseline.alphabetic), + decoration: InputDecoration( + border: OutlineInputBorder(), + labelText: 'username', ), - Positioned( - top: 0, right: 0, child: _buildSubmitButton(context)), - ], + validator: _validateUsername, + onFieldSubmitted: _onFieldSubmitted, + onSaved: _onSaved, + ), ), - ), + _buildSubmitButton(context), + ], ); } diff --git a/lib/views/widgets/StatelessWidget/ModalBarrier/node1_base.dart b/lib/views/widgets/StatelessWidget/ModalBarrier/node1_base.dart new file mode 100644 index 0000000..8f5f2cd --- /dev/null +++ b/lib/views/widgets/StatelessWidget/ModalBarrier/node1_base.dart @@ -0,0 +1,32 @@ +import 'package:flutter/material.dart'; + +/// create by 张风捷特烈 on 2020-04-01 +/// contact me by email 1981462002@qq.com +/// 说明: 212 ModalBarrier 屏障模 +/// 相当于一块幕布，防止用户与其背后的 Widget 交互，可以通过 dismissible 决定点击时，是否触发返回栈。源码中用于 Dialog 相关组件。 +/// link: 227,126,127,128 +// { +// "widgetId": 212, +// "name": 'ModalBarrier 介绍', +// "priority": 1, +// "subtitle": +// "【dismissible】 : 点击是否返回 【bool】\n" +// "【color】 : 颜色 【Color】", +// } +class ModalBarrierDemo extends StatelessWidget { + + @override + Widget build(BuildContext context) { + return Container( + width: 200, + height: 100, + child: Stack(alignment: Alignment.center, children: [ + ModalBarrier( + dismissible: true, + color: Colors.grey.withOpacity(0.3), + ), + Text('点击背景返回') + ]), + ); + } +} diff --git a/lib/views/widgets/exp/proxy_unit.dart b/lib/views/widgets/exp/proxy_unit.dart index 966f268..95e2fa2 100644 --- a/lib/views/widgets/exp/proxy_unit.dart +++ b/lib/views/widgets/exp/proxy_unit.dart @@ -30,3 +30,5 @@ export '../ProxyWidget/TableCell/node1_base.dart'; export '../ProxyWidget/KeepAlive/node1_base.dart'; export '../ProxyWidget/CupertinoUserInterfaceLevel/node1_base.dart'; export '../ProxyWidget/InheritedTheme/node1_base.dart'; +export '../ProxyWidget/DefaultAssetBundle/node1_base.dart'; +export '../ProxyWidget/InheritedWidget/node1_base.dart'; diff --git a/lib/views/widgets/exp/stateful_unit.dart b/lib/views/widgets/exp/stateful_unit.dart index dab2858..a1af721 100644 --- a/lib/views/widgets/exp/stateful_unit.dart +++ b/lib/views/widgets/exp/stateful_unit.dart @@ -78,8 +78,11 @@ export '../StatefulWidget/RawGestureDetector/node1_base.dart'; export '../StatefulWidget/Dismissible/node1_base.dart'; export '../StatefulWidget/AutomaticKeepAlive/node1_base.dart'; +export '../StatefulWidget/AnimatedModalBarrier/node1_base.dart'; +export '../StatefulWidget/FormField/node1_base.dart'; export '../StatefulWidget/AnimatedBuilder/node1_base.dart'; export '../StatefulWidget/TweenAnimationBuilder/node1_base.dart'; +export '../StatefulWidget/PaginatedDataTable/node1_base.dart'; export '../StatefulWidget/RawKeyboardListener/node1_base.dart'; export '../StatefulWidget/Dismissible/node2_direction.dart'; @@ -100,6 +103,7 @@ export '../StatefulWidget/AnimatedPositioned/node1_base.dart'; export '../StatefulWidget/AnimatedPositionedDirectional/node1_base.dart'; export '../StatefulWidget/ExpansionPanelList/node1_base.dart'; +export '../StatefulWidget/DropdownButtonFormField/node1_base.dart'; export '../StatefulWidget/Ink/node1_base.dart'; export '../StatefulWidget/Ink/node2_image.dart'; diff --git a/lib/views/widgets/exp/stateless_unit.dart b/lib/views/widgets/exp/stateless_unit.dart index 48b195c..d975f95 100644 --- a/lib/views/widgets/exp/stateless_unit.dart +++ b/lib/views/widgets/exp/stateless_unit.dart @@ -50,6 +50,7 @@ export '../StatelessWidget/Divider/node1_base.dart'; export '../StatelessWidget/Divider/node2_height.dart'; export '../StatelessWidget/ScrollView/node1_base.dart'; +export '../StatelessWidget/ModalBarrier/node1_base.dart'; export '../StatelessWidget/BoxScrollView/node1_base.dart'; export '../StatelessWidget/FloatingActionButton/node1_base.dart'; export '../StatelessWidget/FloatingActionButton/node2_mini.dart'; diff --git a/lib/views/widgets/widgets_map.dart b/lib/views/widgets/widgets_map.dart index c59549f..ee6cf15 100644 --- a/lib/views/widgets/widgets_map.dart +++ b/lib/views/widgets/widgets_map.dart @@ -83,6 +83,34 @@ class WidgetsMap { return [ InheritedThemeDemo(), ]; + case "ModalBarrier": + return [ + ModalBarrierDemo(), + ]; + case "AnimatedModalBarrier": + return [ + AnimatedModalBarrierDemo(), + ]; + case "DefaultAssetBundle": + return [ + DefaultAssetBundleDemo(), + ]; + case "DropdownButtonFormField": + return [ + DropdownButtonFormFieldDemo(), + ]; + case "FormField": + return [ + FormFieldDemo(), + ]; + case "PaginatedDataTable": + return [ + PaginatedDataTableDemo(), + ]; + case "InheritedWidget": + return [ + InheritedWidgetDemo(), + ]; case "ScrollView": return [ ScrollViewDemo(),