package envoy.client.ui.listcell;

import java.util.function.Function;

import javafx.scene.Node;
import javafx.scene.control.*;
import javafx.util.Callback;

/**
 * Provides a creation mechanism for generic list cells given a list view and a conversion function.
 *
 * @author Kai S. K. Engelbart
 * @param <T> the type of object to display
 * @param <U> the type of node displayed
 * @since Envoy Client v0.1-beta
 */
public final class ListCellFactory<T, U extends Node>
	implements Callback<ListView<T>, ListCell<T>> {

	private final Function<? super T, U> renderer;

	/**
	 * @param renderer a function converting the type to display into a node
	 * @since Envoy Client v0.1-beta
	 */
	public ListCellFactory(Function<? super T, U> renderer) {
		this.renderer = renderer;
	}

	@Override
	public ListCell<T> call(ListView<T> listView) {
		return new GenericListCell<>(listView, renderer);
	}
}