CustomDropdown<T> class
A highly customizable dropdown widget with search functionality
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- CustomDropdown
Constructors
-
CustomDropdown({Key? key, String? label, T? value, required List<
T> items, bool enabled = true, Widget? prefix, Widget? suffix, bool rotateSuffixOnOpen = false, bool rotatePrefixOnOpen = false, double iconRotationAngle = 90.0, String? validator(T?)?, required CustomDropdownConfig config, required Widget itemBuilder(T item), required Widget selectedBuilder(T? item), required ValueChanged<T?> onChanged, bool searchMatcher(T item, String query)?}) -
const
Properties
- config → CustomDropdownConfig
-
Configuration for dropdown appearance and behavior
final
- enabled → bool
-
Whether the dropdown is enabled
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- iconRotationAngle → double
-
Rotation angle in degrees when dropdown is open (default: 180)
final
- itemBuilder → Widget Function(T item)
-
Builder for each item in the dropdown list
final
-
items
→ List<
T> -
List of items to display in dropdown
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- label → String?
-
Label displayed above the dropdown
final
-
onChanged
→ ValueChanged<
T?> -
Callback when an item is selected
final
- prefix → Widget?
-
Icon displayed before the selected value
final
- rotatePrefixOnOpen → bool
-
Whether to rotate prefix icon when dropdown opens (default: false)
final
- rotateSuffixOnOpen → bool
-
Whether to rotate suffix icon when dropdown opens (default: false)
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- searchMatcher → bool Function(T item, String query)?
-
Custom search filter function (optional)
Return true if item matches the search query
final
- selectedBuilder → Widget Function(T? item)
-
Builder for the selected item display
final
- suffix → Widget?
-
Icon displayed after the selected value
final
- validator → String? Function(T?)?
-
Validator function for form validation
final
- value → T?
-
Currently selected value
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< CustomDropdown< T> > -
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