DropdownMenu class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- DropdownMenu
Constructors
-
DropdownMenu({Key? key, List<
Variant> variants = const [], DropdownMenuStyle? style, required Widget trigger, required List<DropdownMenuItem> items, Offset offset = const Offset(0, 4), Alignment targetAnchor = Alignment.bottomCenter, Alignment followerAnchor = Alignment.topCenter, required bool open, VoidCallback? onPressOutside}) -
const
Properties
- followerAnchor → Alignment
-
The anchor point on the dropdown menu that the trigger widget should be aligned to.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
-
items
→ List<
DropdownMenuItem> -
The list of items to display in the dropdown menu.
Each item contains a value and widget to display.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- offset → Offset
-
The offset of the dropdown menu relative to the trigger widget.
final
- onPressOutside → VoidCallback?
-
final
- open → bool
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- style → DropdownMenuStyle?
-
final
- targetAnchor → Alignment
-
The anchor point on the trigger widget that the dropdown menu should be aligned to.
final
- trigger → Widget
-
The trigger widget that opens the dropdown menu.
It is a builder that returns a widget and a callback to open the menu
final
-
variants
→ List<
Variant> -
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< DropdownMenu> -
Creates the mutable state for this widget at a given location in the tree.
override
-
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