ViewportDelegate<T extends DataGridRow> class
abstract
Abstract delegate for handling viewport calculations.
Implement this to create custom viewport behavior with different calculation strategies, caching, or optimization techniques.
- Implementers
Constructors
- ViewportDelegate()
-
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
dispose(
) → void - Dispose any resources (caches, subscriptions, etc.)
-
handleResize(
ViewportResizeEvent event, DataGridState< T> currentState) → ViewportState - Handle viewport resize event and calculate updated viewport state.
-
handleScroll(
ScrollEvent event, DataGridState< T> currentState) → ViewportState - Handle scroll event and calculate updated viewport state.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited