RenderObjectToWidgetAdapter<T extends RenderObject> class

A bridge from a RenderObject to an Element tree.

The given container is the RenderObject that the Element tree should be inserted into. It must be a RenderObject that implements the RenderObjectWithChildMixin protocol. The type argument T is the kind of RenderObject that the container expects as its child.

The RenderObjectToWidgetAdapter is an alternative to RootWidget for bootstrapping an element tree. Unlike RootWidget it requires the existence of a render tree (the container) to attach the element tree to.

Inheritance

Constructors

RenderObjectToWidgetAdapter.new({Widget? child, required RenderObjectWithChildMixin<T> container, String? debugShortDescription})
Creates a bridge from a RenderObject to an Element tree.

Properties

child → Widget?
The widget below this widget in the tree.
final
container → RenderObjectWithChildMixin<T>
The RenderObject that is the parent of the Element created by this widget.
final
debugShortDescription → String?
A short description of this widget used by debugging aids.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

attachToRenderTree(BuildOwner owner, [RenderObjectToWidgetElement<T>? element]) → RenderObjectToWidgetElement<T>
Inflate this widget and actually set the resulting RenderObject as the child of container.
createElement() → RenderObjectToWidgetElement<T>
RenderObjectWidgets always inflate to a RenderObjectElement subclass.
override
createRenderObject(BuildContext context) → RenderObjectWithChildMixin<T>
Creates an instance of the RenderObject class that this RenderObjectWidget represents, using the configuration described by this RenderObjectWidget.
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
didUnmountRenderObject(covariant RenderObject renderObject) → void
This method is called when a RenderObject that was previously associated with this widget is removed from the render tree. The provided RenderObject will be of the same type as the one created by this widget's createRenderObject method.
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.
override
updateRenderObject(BuildContext context, covariant RenderObject renderObject) → void
Copies the configuration described by this RenderObjectWidget to the given RenderObject, which will be of the same type as returned by this object's createRenderObject.
override

Operators

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