WrapDropdownButton<T> class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- WrapDropdownButton
Constructors
-
WrapDropdownButton({Key? key, required List<
DropdownMenuItem< items, T? value, Widget? hint, Widget? disabledHint, required ValueChanged<T> >T?> onChanged, int elevation = 8, TextStyle? style, double iconSize = 24.0, bool isDense = false})
Properties
- disabledHint → Widget?
-
A message to show when the dropdown is disabled.
final
- elevation → int
-
The z-coordinate at which to place the menu when open.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- hint → Widget?
-
Displayed if value is null.
final
- iconSize → double
-
The size to use for the drop-down button's down arrow icon button.
final
- isDense → bool
-
Reduce the button's height.
final
-
items
→ List<
DropdownMenuItem< T> > -
The list of items the user can select.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
onChanged
→ ValueChanged<
T?> -
Called when the user selects an item.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- style → TextStyle?
-
The text style to use for text in the dropdown button and the dropdown
menu that appears when you tap the button.
final
- value → T?
-
The value of the currently selected DropdownMenuItem, or null if no
item has been selected. If
valueis null then the menu is popped up as if the first item were selected.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}) → 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