SelectorFormItem<T> class

Form item that allows selection from a list.

Inheritance

Constructors

SelectorFormItem({String? key, required bool focused, String? label, required Map<T, String> items, required T startingValue, void valueChanged(WriggleContext context, T newValue)?, List<StateReference> dependencies = const []})
Form item that allows selection from a list.
const

Properties

dependencies → List<StateReference>
When any dependency state changes, this state is invalidated.
finalinherited
focused → bool
Focused.
final
hashCode → int
The hash code for this object.
no setterinherited
items → Map<T, String>
Items to allow choice from.
final
key → String?
Key used to differentiate the states of different instances of this component.
finalinherited
label → String?
Label for this field.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
startingValue → T
Starting value for this component's state.
finalinherited
stateReference → StateReference
Reference to this component's state.
no setterinherited
valueChanged → void Function(WriggleContext context, T newValue)?
Selected value changed.
final

Methods

build(WriggleContext context) → Renderable
Return a Renderable which is to be displayed.
override
discardState(WriggleContext context) → void
Return this state to its starting value.
inherited
getSize(WriggleContext context, Axis axis, int crossSize) → int?
Report this item's intrinsic size, or null if it has none.
inherited
getState(WriggleContext context) → T
Read the current state of this component.
inherited
getUsageInfo(WriggleContext context) → UsageInfo
Return usage info for this renderable, or redirect to its child.
inherited
keyPressed(WriggleContext context, KeyInput key) → bool
Handle key presses. Return true if the key was absorbed, or false if another listener further up the tree should handle it.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
render(WriggleContext context, int width, int height) → AxelMap
Produce an AxelMap of the specified size to be shown on screen.
inherited
setState(WriggleContext context, T update(T p1)) → void
Update this component's state.
override
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Methods

read<T>(WriggleContext context, String? key, T startingValue) → T
Read this component's internal state.
override