SingleSelection<T> class
A widget that allows for single item selection from a list of items. It supports different layouts: grid, list tile, or wrap.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- SingleSelection
Constructors
-
SingleSelection.grid({Key? key, required List<
T> items, SelectionItemBuilder<T> ? itemBuilder, T? initialValue, int crossAxisCount = 1, ValueChanged<T?> ? onChanged, SelectionConfig? config, ScrollPhysics? physics, String valueShow(T)?, bool compareFn(T, T?)?, bool shrinkWrap = false, bool allowDeselection = true}) -
Creates a grid layout for the selection items.
factory
-
SingleSelection.wrap({Key? key, required List<
T> items, SelectionItemBuilder<T> ? itemBuilder, T? initialValue, ValueChanged<T?> ? onChanged, SelectionConfig? config, ScrollPhysics? physics, String valueShow(T)?, bool compareFn(T, T?)?, bool shrinkWrap = false, Axis direction = Axis.vertical, bool allowDeselection = true}) -
Creates a wrap layout for the selection items.
factory
Properties
- allowDeselection → bool
-
final
- compareFn → bool Function(T, T?)?
-
final
- config → SelectionConfig?
-
Configuration for the selection layout.
final
- direction → Axis
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- initialValue → T?
-
The initially selected item.
final
-
itemBuilder
→ SelectionItemBuilder<
T> ? -
A builder function to create the UI for each item.
final
-
items
→ List<
T> -
The list of items to select from.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
onChanged
→ ValueChanged<
T?> ? -
Callback invoked when the selected item changes.
final
- physics → ScrollPhysics?
-
Scroll physics for the selection view.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- shrinkWrap → bool
-
final
- valueShow → String Function(T)?
-
A function that defines how to display the item's value.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< SingleSelection< 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