WFormCheckbox class - w_tools library

Constructors

WFormCheckbox({Key? key, required WFormCheckboxConfig config, required String name, required Widget? title, bool initialValue = false, ValueChanged<bool?>? onChanged}): 创建单个复选框字段

Properties

autovalidateMode → AutovalidateMode: Used to enable/disable this form field auto validation and update its error text.
finalinherited
builder → FormFieldBuilder<bool>: Function that returns the widget representing this form field.
finalinherited
config → WFormCheckboxConfig: 复选框配置
final
enabled → bool: Whether the form is able to receive user input.
finalinherited
errorBuilder → FormFieldErrorBuilder?: Function that returns the widget representing the error to display.
finalinherited
focusNode → FocusNode?: An optional focus node to use as the focus node for this widget.
finalinherited
forceErrorText → String?: An optional property that forces the FormFieldState into an error state by directly setting the FormFieldState.errorText property without running the validator function.
finalinherited
hashCode → int: The hash code for this object.
no setterinherited
initialValue → bool?: An optional value to initialize the form field to, or null otherwise.
finalinherited
key → Key?: Controls how one widget replaces another widget in the tree.
finalinherited
name → String: Used to reference the field within the form, or to reference form data after the form is submitted.
finalinherited
notificationListener → WNotificationListener<Notification>: Available on Widget, provided by the WNotificationListenerExtension extension
创建 WNotificationListener 实例
no setter
onChanged → ValueChanged<bool?>?: Called when the field value is changed.
finalinherited
onReset → VoidCallback?: An optional method to call when the form field is reset via FormFieldState.reset.
finalinherited
onSaved → ValueChanged<bool?>?: An optional method to call with the final value when the form is saved via FormState.save.
finalinherited
restorationId → String?: Restoration ID to save and restore the state of the form field.
finalinherited
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
title → Widget?: 标题 widget
final
validator → FormFieldValidator<bool>?: An optional method that validates an input. Returns an error string to display if the input is invalid, or null otherwise.
finalinherited
valueTransformer → ValueTransformer<bool?>?: Called just before field value is saved. Used to massage data just before committing the value.
finalinherited

Methods

createElement() → StatefulElement: Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → FormBuilderFieldState<WFormCheckbox, bool>: Creates the mutable state for this widget at a given location in the tree.
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
expanded([int flex = 1]) → Widget: Available on Widget, provided by the WidgetExtension extension
将 Widget 包装在 Expanded 中
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
toButton({GestureTapCallback? onTap, GestureLongPressCallback? onLongPress, WButtonConfig? config}) → Widget: Available on Widget, provided by the WidgetExtension extension
将 Widget 包装在 WButton 中
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
withBottomPadding(double padding) → Widget: Available on Widget, provided by the WidgetExtension extension
添加底部 padding
withBottomSafeSpace() → Widget: Available on Widget, provided by the WidgetExtension extension
添加底部安全空间（适配底部导航栏）
withBottomSpace(double height) → Widget: Available on Widget, provided by the WidgetExtension extension
添加自定义底部空间
withContainer(WContainerConfig config) → Widget: Available on Widget, provided by the WidgetExtension extension
将 Widget 包装在 Container 中
withHorizontalPadding(double padding) → Widget: Available on Widget, provided by the WidgetExtension extension
添加水平 padding
withLeftPadding(double padding) → Widget: Available on Widget, provided by the WidgetExtension extension
添加左侧 padding
withRightPadding(double padding) → Widget: Available on Widget, provided by the WidgetExtension extension
添加右侧 padding
withTopPadding(double padding) → Widget: Available on Widget, provided by the WidgetExtension extension
添加顶部 padding
withTopSafeSpace() → Widget: Available on Widget, provided by the WidgetExtension extension
添加顶部安全空间（适配状态栏）
withVerticalPadding(double padding) → Widget: Available on Widget, provided by the WidgetExtension extension
添加垂直 padding

Operators

operator ==(Object other) → bool: The equality operator.
inherited