Component class abstract

Base class for Components. Exposes a build method which returns Renderables instead of directly creating an AxelMap.

Inheritance

• Object
• Renderable
• Component

Implementers

• ButtonFormItem
• Center
• Dialog
• FileBrowserDialog
• Flexible
• Grid
• Inflexible
• KeyListener
• KeyRelease
• MessageDialog
• NumberDialog
• PageViewHeader
• PageViewHeaderItem
• ProvidesApplicationContext
• RouteContract
• SelectorDialog
• SkipSelect
• StatefulComponent
• TextDialog
• UsagePanel

Annotations

• @immutable

Constructors

Component()

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

build(WriggleContext context) → Renderable

Return a Renderable which is to be displayed.

getSize(WriggleContext context, Axis axis, int crossSize) → int?

Report this item's intrinsic size, or null if it has none.

override

getUsageInfo(WriggleContext context) → UsageInfo

Return usage info for this renderable, or redirect to its child.

override

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.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited