HookElement mixin
An Element that uses a HookWidget as its configuration.
- Superclass constraints
- Available extensions
Properties
- app → AppModule?
-
Available on BuildContext, provided by the ModuleBuildContextExtensions extension
Get the app module config.no setter - arg → DynamicMap
-
Available on BuildContext, provided by the BuildContextExtensions extension
Get the data passed to the page.no setter - buildScope → BuildScope
-
A BuildScope whose dirty Elements can only be rebuilt by
BuildOwner.buildScope calls whose
contextargument is an Element within this BuildScope.no setterinherited - debugDoingBuild → bool
-
Whether the widget is currently updating the widget or render tree.
no setterinherited
-
debugHooks
→ List<
HookState< ?dynamic, Hook> > -
A read-only list of all hooks available.
no setter
- debugIsActive → bool
-
Returns true if the Element is active.
no setterinherited
- debugIsDefunct → bool
-
Returns true if the Element is defunct.
no setterinherited
- depth → int
-
An integer that is guaranteed to be greater than the parent's, if any.
The element at the root of the tree must have a depth greater than 0.
no setterinherited
- designType → DesignType
-
Available on BuildContext, provided by the BuildContextExtensions extension
Get the Design type.no setter - dirty → bool
-
Returns true if the element has been marked as needing rebuilding.
no setterinherited
- flavor → String
-
Available on BuildContext, provided by the BuildContextExtensions extension
Get the Flavor.no setter - hashCode → int
-
The hash code for this object.
no setterinherited
- isDesktop → bool
-
Available on BuildContext, provided by the PlatformBuildContextExtensions extension
no setter - isFullscreen → bool
-
Available on BuildContext, provided by the PlatformBuildContextExtensions extension
no setter - isMobile → bool
-
Available on BuildContext, provided by the PlatformBuildContextExtensions extension
no setter - isMobileOrModal → bool
-
Available on BuildContext, provided by the PlatformBuildContextExtensions extension
no setter - isMobileOrSmall → bool
-
Available on BuildContext, provided by the PlatformBuildContextExtensions extension
no setter - isModal → bool
-
Available on BuildContext, provided by the PlatformBuildContextExtensions extension
no setter - mediaQuery → MediaQueryData
-
Available on BuildContext, provided by the BuildContextExtensions extension
Get the media qury related to contextno setter -
model
→ ModelAdapter<
DynamicDocumentModel, DynamicCollectionModel< ?DynamicDocumentModel> > -
Available on BuildContext, provided by the ModuleBuildContextExtensions extension
Get the model adapter.no setter - mounted → bool
-
Whether the Widget this context is associated with is currently
mounted in the widget tree.
no setterinherited
-
Available on BuildContext, provided by the BuildContextExtensions extension
Get the Navigator related to context.no setter - owner → BuildOwner?
-
The object that manages the lifecycle of this element.
no setterinherited
- platform → PlatformAdapter?
-
Available on BuildContext, provided by the ModuleBuildContextExtensions extension
Get the platform adapter.no setter - renderObject → RenderObject?
-
The render object at (or below) this location in the tree.
no setterinherited
- renderObjectAttachingChild → Element?
-
Returns the child of this Element that will insert a RenderObject into
an ancestor of this Element to construct the render tree.
no setterinherited
-
roles
→ List<
RoleConfig> -
Available on BuildContext, provided by the ModuleBuildContextExtensions extension
Get the module role.no setter -
Available on BuildContext, provided by the BuildContextExtensions extension
Get the Root navigator related to context.no setter - route → RouteSettings
-
Available on BuildContext, provided by the BuildContextExtensions extension
Get the route settins.no setter - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- size → Size?
-
The size of the RenderBox returned by findRenderObject.
no setterinherited
- slot → Object?
-
Information set by parent to define where this child fits in its parent's
child list.
no setterinherited
- theme → ThemeData
-
Available on BuildContext, provided by the BuildContextExtensions extension
Outputs the theme related to the context.no setter - webStyle → bool
-
Available on BuildContext, provided by the BuildContextExtensions extension
If you want to use the style for web when you are on the web, usetrue.no setter - widget → Widget
-
The configuration for this element.
no setterinherited
- widgetTheme → WidgetTheme
-
Available on BuildContext, provided by the BuildContextExtensions extension
Outputs the widget theme related to the context.no setter
Methods
-
activate(
) → void -
Transition from the "inactive" to the "active" lifecycle state.
inherited
-
attachNotificationTree(
) → void -
Called in Element.mount and Element.activate to register this element in
the notification tree.
inherited
-
attachRenderObject(
Object? newSlot) → void -
Add renderObject to the render tree at the location specified by
newSlot.inherited -
build(
) → Widget -
Subclasses should override this function to actually call the appropriate
buildfunction (e.g., StatelessWidget.build or State.build) for their widget.override -
deactivate(
) → void -
Transition from the "active" to the "inactive" lifecycle state.
override
-
deactivateChild(
Element child) → void -
Move the given element to the list of inactive elements and detach its
render object from the render tree.
inherited
-
debugDeactivated(
) → void -
Called, in debug mode, after children have been deactivated (see deactivate).
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children.
inherited
-
debugExpectsRenderObjectForSlot(
Object? slot) → bool -
Whether the child in the provided
slot(or one of its descendants) must insert a RenderObject into its ancestor RenderObjectElement by calling RenderObjectElement.insertRenderObjectChild on it.inherited -
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
override
-
debugGetCreatorChain(
int limit) → String -
Returns a description of what caused this element to be created.
inherited
-
debugGetDiagnosticChain(
) → List< Element> -
Returns the parent chain from this element back to the root of the tree.
inherited
-
debugVisitOnstageChildren(
ElementVisitor visitor) → void -
Calls the argument for each child considered onstage.
inherited
-
dependOnInheritedElement(
InheritedElement ancestor, {Object? aspect}) → InheritedWidget -
Registers this build context with
ancestorsuch that whenancestor's widget changes this build context is rebuilt.inherited -
dependOnInheritedWidgetOfExactType<
T extends InheritedWidget> ({Object? aspect}) → T? -
Returns the nearest widget of the given type
Tand creates a dependency on it, or null if no appropriate widget is found.override -
describeElement(
String name, {DiagnosticsTreeStyle style = DiagnosticsTreeStyle.errorProperty}) → DiagnosticsNode -
Returns a description of the Element associated with the current build context.
inherited
-
describeMissingAncestor(
{required Type expectedAncestorType}) → List< DiagnosticsNode> -
Adds a description of a specific type of widget missing from the current
build context's ancestry tree.
inherited
-
describeOwnershipChain(
String name) → DiagnosticsNode -
Adds a description of the ownership chain from a specific Element
to the error report.
inherited
-
describeWidget(
String name, {DiagnosticsTreeStyle style = DiagnosticsTreeStyle.errorProperty}) → DiagnosticsNode -
Returns a description of the Widget associated with the current build context.
inherited
-
detachRenderObject(
) → void -
Remove renderObject from the render tree.
inherited
-
didChangeDependencies(
) → void -
Called when a dependency of this element changes.
override
-
dispatchNotification(
Notification notification) → void -
Start bubbling this notification at the given build context.
inherited
-
doesDependOnInheritedElement(
InheritedElement ancestor) → bool -
Returns
trueif dependOnInheritedElement was previously called withancestor.inherited -
findAncestorRenderObjectOfType<
T extends RenderObject> () → T? -
Returns the RenderObject object of the nearest ancestor RenderObjectWidget widget
that is an instance of the given type
T.inherited -
findAncestorStateOfType<
T extends State< (StatefulWidget> >) → T? -
Returns the State object of the nearest ancestor StatefulWidget widget
that is an instance of the given type
T.inherited -
findAncestorWidgetOfExactType<
T extends Widget> () → T? -
Returns the nearest ancestor widget of the given type
T, which must be the type of a concrete Widget subclass.inherited -
findRenderObject(
) → RenderObject? -
The current RenderObject for the widget. If the widget is a
RenderObjectWidget, this is the render object that the widget created
for itself. Otherwise, it is the render object of the first descendant
RenderObjectWidget.
inherited
-
findRootAncestorStateOfType<
T extends State< (StatefulWidget> >) → T? -
Returns the State object of the furthest ancestor StatefulWidget widget
that is an instance of the given type
T.inherited -
forgetChild(
Element child) → void -
Remove the given child from the element's child list, in preparation for
the child being reused elsewhere in the element tree.
inherited
-
get<
T> (String key, T orElse) → T -
Available on BuildContext, provided by the BuildContextExtensions extension
Gets the value from thekeyof the map stored in arg. -
getAsDateTime(
String key, [DateTime? orElse]) → DateTime -
Available on BuildContext, provided by the BuildContextExtensions extension
Get the set corresponding tokeyin the DateTime. -
getAsList<
T> (String key, [List< T> ? orElse]) → List<T> -
Available on BuildContext, provided by the BuildContextExtensions extension
Get the list corresponding tokeyin the map. -
getAsMap<
T> (String key, [Map< String, T> ? orElse]) → Map<String, T> -
Available on BuildContext, provided by the BuildContextExtensions extension
Get the map corresponding tokeyin the map. -
getAsSets<
T> (String key, [Set< T> ? orElse]) → Set<T> -
Available on BuildContext, provided by the BuildContextExtensions extension
Get the set corresponding tokeyin the map. -
getElementForInheritedWidgetOfExactType<
T extends InheritedWidget> () → InheritedElement? -
Obtains the element corresponding to the nearest widget of the given type
T, which must be the type of a concrete InheritedWidget subclass.inherited -
getInheritedWidgetOfExactType<
T extends InheritedWidget> () → T? -
Returns the nearest widget of the given InheritedWidget subclass
Tor null if an appropriate ancestor is not found.inherited -
inflateWidget(
Widget newWidget, Object? newSlot) → Element -
Create an element for the given widget and add it as a child of this
element in the given slot.
inherited
-
markNeedsBuild(
) → void -
Marks the element as dirty and adds it to the global list of widgets to
rebuild in the next frame.
inherited
-
mount(
Element? parent, Object? newSlot) → void -
Add this element to the tree in the given slot of the given parent.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
open<
T extends Object?> (String path, [RouteQuery? query]) → Future< T?> -
Available on BuildContext, provided by the BuildContextExtensions extension
Open a new URL or screen. -
performRebuild(
) → void -
Calls the StatelessWidget.build method of the StatelessWidget object
(for stateless widgets) or the State.build method of the State object
(for stateful widgets) and then updates the widget tree.
inherited
-
read<
T> (ProviderBase< Object?, T> provider) → T -
Available on BuildContext, provided by the BuildContextX extension
Reads a provider without listening to it. -
reassemble(
) → void -
Called whenever the application is reassembled during debugging, for
example during hot reload.
override
-
rebuild(
{bool force = false}) → void -
Cause the widget to update itself. In debug builds, also verify various
invariants.
inherited
-
rebuild(
) → void -
Available on BuildContext, provided by the BuildContextExtensions extension
Explicitly rebuild the widget. -
rebuildAll(
) → void -
Available on BuildContext, provided by the BuildContextExtensions extension
Rebuild all active pages. -
rebuildWhere(
bool test(PageState page)) → void -
Available on BuildContext, provided by the BuildContextExtensions extension
Rebuild only the pages that aretrueintest. -
refresh<
Created> (RootProvider< Created, Object> provider) → Created -
Available on BuildContext, provided by the BuildContextX extension
Forces a provider to re-evaluate its state immediately, and return the created value. -
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 element.
inherited
-
unfocus(
) → void -
Available on BuildContext, provided by the BuildContextExtensions extension
Releases focus such as text field. -
unmount(
) → void -
Transition from the "inactive" to the "defunct" lifecycle state.
override
-
update(
covariant Widget newWidget) → void -
Change the widget used to configure this element.
override
-
updateChild(
Element? child, Widget? newWidget, Object? newSlot) → Element? -
Update the given child with the given new configuration.
inherited
-
updateChildren(
List< Element> oldChildren, List<Widget> newWidgets, {Set<Element> ? forgottenChildren, List<Object?> ? slots}) → List<Element> -
Updates the children of this element to use new widgets.
inherited
-
updateSlot(
Object? newSlot) → void -
Called by updateSlotForChild when the framework needs to change the slot
that this Element occupies in its ancestor.
inherited
-
updateSlotForChild(
Element child, Object? newSlot) → void -
Change the slot that the given child occupies in its parent.
inherited
-
visitAncestorElements(
ConditionalElementVisitor visitor) → void -
Walks the ancestor chain, starting with the parent of this build context's
widget, invoking the argument for each ancestor.
inherited
-
visitChildElements(
ElementVisitor visitor) → void -
Wrapper around visitChildren for BuildContext.
inherited
-
visitChildren(
ElementVisitor visitor) → void -
Calls the argument for each child. Must be overridden by subclasses that
support having children.
inherited
Operators
-
operator ==(
Object other) → bool -
Compare two widgets for equality.
inherited
-
operator [](
Object? key) → dynamic -
Available on BuildContext, provided by the BuildContextExtensions extension
Getvaluetokeyof the map stored in arg. -
operator []=(
String key, dynamic value) → void -
Available on BuildContext, provided by the BuildContextExtensions extension
Savevaluetokeyof the map stored in arg.