Label class
A customizable label widget for displaying section headers and titles.
This widget provides a flexible label component with support for icons, text styling, and action buttons. Perfect for section headers, category labels, and form field labels.
Features:
- Optional leading icon/widget
- Customizable text styling
- Background color and decoration support
- Action buttons on the right side
- Flexible alignment and padding
- Theme-based default styling
- Adjustable icon size and spacing
Example:
Label(
"Section Title",
leading: const Icon(Icons.settings),
backgroundColor: Colors.blue.withOpacity(0.1),
padding: const EdgeInsets.all(16),
actions: [
IconButton(
icon: const Icon(Icons.add),
onPressed: () {
// Handle action
},
),
],
)
セクションヘッダーやタイトルを表示するためのカスタマイズ可能なラベルウィジェット。
アイコン、テキストスタイリング、アクションボタンのサポートを備えた 柔軟なラベルコンポーネントを提供します。セクションヘッダー、カテゴリラベル、 フォームフィールドラベルに最適です。
特徴:
- オプションのリーディングアイコン/ウィジェット
- カスタマイズ可能なテキストスタイリング
- 背景色と装飾のサポート
- 右側のアクションボタン
- 柔軟な配置とパディング
- テーマベースのデフォルトスタイリング
- 調整可能なアイコンサイズと間隔
例:
Label(
"セクションタイトル",
leading: const Icon(Icons.settings),
backgroundColor: Colors.blue.withOpacity(0.1),
padding: const EdgeInsets.all(16),
actions: [
IconButton(
icon: const Icon(Icons.add),
onPressed: () {
// アクション処理
},
),
],
)
- Inheritance
Constructors
-
Label(String text, {Key? key, Widget? leading, Color? backgroundColor, Color? color, EdgeInsetsGeometry? padding, Decoration? decoration, TextStyle? textStyle, double? iconSize, double? leadingSpace, Alignment? alignment, TextAlign textAlign = TextAlign.start, List<
Widget> actions = const []}) -
A customizable label widget for displaying section headers and titles.
const
Properties
-
actions
→ List<
Widget> -
List of actions to be displayed on the right.
final
- alignment → Alignment?
-
Label Location.
final
- backgroundColor → Color?
-
The background color of the label.
final
- color → Color?
-
The color of the text and icon.
final
- decoration → Decoration?
-
The decoration of the label.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- iconSize → double?
-
The size of the icon.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- leading → Widget?
-
The widget to display before the text.
final
- leadingSpace → double?
-
The space between the icon and the text.
final
- padding → EdgeInsetsGeometry?
-
The padding of the label.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- text → String
-
The text to display.
final
- textAlign → TextAlign
-
Text position.
final
- textStyle → TextStyle?
-
The style of the text.
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object.
inherited
-
toStringDeep(
{String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String -
Returns a string representation of this node and its descendants.
inherited
-
toStringShallow(
{String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String -
Returns a one-line detailed description of the object.
inherited
-
toStringShort(
) → String -
A short, textual description of this widget.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited