TreeRowDelegateMixin mixin
A mixin that defines the model for a TwoDimensionalChildDelegate to be used with a TreeView.
- Superclass Constraints
- Mixin Applications
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- rowCount → int
-
The number of rows that the tree has active nodes for.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
build(
BuildContext context, covariant ChildVicinity vicinity) → Widget? -
Returns the child with the given ChildVicinity, which is described in
terms of x and y indices.
inherited
-
buildRow(
TreeVicinity vicinity) → TreeRow - Builds the TreeRow that describe the row for the provided TreeVicinity.
-
dispose(
) → void -
Discards any resources used by the object. After this is called, the
object is not in a usable state and should be discarded (calls to
addListener will throw after the object is disposed).
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
shouldRebuild(
covariant TwoDimensionalChildDelegate oldDelegate) → bool -
Called whenever a new instance of the child delegate class is
provided.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited