TolySelectField<T> class
紧凑桌面下拉选择字段。
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- TolySelectField
Constructors
-
TolySelectField({Key? key, required T? value, required List<
TolySelectOption< options, String? placeholder, bool enabled = true, TolyFormDensity density = TolyFormDensity.compact, ValueChanged<T> >T?> ? onChanged}) -
const
Properties
- density → TolyFormDensity
-
视觉密度。
final
- enabled → bool
-
是否允许选择。
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
onChanged
→ ValueChanged<
T?> ? -
选择变化回调。
final
-
options
→ List<
TolySelectOption< T> > -
可选项。
final
- placeholder → String?
-
占位提示。
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value → T?
-
当前值。
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