OriginalValueIndicator class

原始值指示器组件 用于显示和比较表单字段的当前值与原始值的差异 当值发生变化时，可以通过点击显示原始值

字段状态控制

支持根据字段的 enable 状态自动控制显示/隐藏：

  • 当 respectFieldStatus 为 true 时，字段禁用时自动隐藏指示器，只读时仍显示
  • 当 respectFieldStatus 为 false 时（默认），忽略字段状态，仅根据值变化显示
Inheritance
Available extensions

Constructors

OriginalValueIndicator({Key? key, Widget? child, required String listenKey, required String originalKey, String formatter(dynamic value)?, bool respectFieldStatus = false})
==================== 构造函数 ====================
const

Properties

child → Widget?
==================== 属性 ==================== 自定义显示的子组件 如果为null，则显示默认的眼睛图标
final
formatter → String Function(dynamic value)?
自定义值的格式化方法 如果为null，则使用默认的toString()
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
listenKey → String
需要监听变化的表单字段key
final
originalKey → String
存储原始值的key
final
respectFieldStatus → bool
是否根据字段状态控制显示
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildContext context) → Widget
==================== UI 构建方法 ====================
override
buildPageRoute<T>({RouteSettings? settings, bool maintainState = true, bool fullscreenDialog = false, bool opaque = true}) → PageRoute<T>

Available on Widget, provided by the JunnyWidgetExtension extension

构建PageRoute
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