SelectionContainerDelegate class abstract
A delegate to handle SelectionEvents for a SelectionContainer.
This delegate needs to implement SelectionRegistrar to register Selectables in the SelectionContainer subtree.
- Implemented types
- Implementers
Constructors
Properties
- containerSize → Size
-
Gets the size of the SelectionContainer of this delegate.
no setter
- contentLength → int
-
The length of the content in this object.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasSize → bool
-
Whether the SelectionContainer has undergone layout and has a size.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value → SelectionGeometry
-
The current value of the object.
no setterinherited
Methods
-
add(
Selectable selectable) → void -
Adds the
selectableinto the registrar.inherited -
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object notifies its listeners.
inherited
-
dispatchSelectionEvent(
SelectionEvent event) → SelectionResult -
Handles the SelectionEvent sent to this object.
inherited
-
getSelectedContent(
) → SelectedContent? -
Gets the selected content in this object.
inherited
-
getSelection(
) → SelectedContentRange? -
Gets the SelectedContentRange representing the selected range in this object.
inherited
-
getTransformFrom(
Selectable child) → Matrix4 - Gets the paint transform from the Selectable child to SelectionContainer of this delegate.
-
getTransformTo(
RenderObject? ancestor) → Matrix4 -
Gets the paint transform from the SelectionContainer of this delegate to
the
ancestor. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
pushHandleLayers(
LayerLink? startHandle, LayerLink? endHandle) → void -
Marks this handler to be responsible for pushing LeaderLayers for the
selection handles.
inherited
-
remove(
Selectable selectable) → void -
Removes the
selectablefrom the registrar.inherited -
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that the
object notifies.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited