envoy/client/src/main/java/envoy/client/ui/listcell/MessageListCell.java

package envoy.client.ui.listcell;

import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.control.ListView;

import envoy.data.Message;

/**
 * A list cell containing messages represented as message controls.
 * <p>
 * Project: <strong>envoy-client</strong><br>
 * File: <strong>MessageListCell.java</strong><br>
 * Created: <strong>18.07.2020</strong><br>
 *
 * @author Kai S. K. Engelbart
 * @since Envoy Client v0.1-beta
 */
public final class MessageListCell extends AbstractListCell<Message, MessageControl> {
	/**
	 * @param listView the list view inside of which the cell will be displayed
	 * @since Envoy Client v0.1-beta
	 */
	public MessageListCell(ListView<? extends Message> listView) {
		super(listView);
	}

	@Override
	protected MessageControl renderItem(Message message) {
		final var control = new MessageControl(message);
		listView.widthProperty()
			.addListener((observable, oldValue, newValue) -> {
				int padding = 0;
				if (newValue.intValue() > 1020) padding = (newValue.intValue() - 1000) / 2;
				else padding = 10;
				setPadding(new Insets(0, padding, 6, padding));
			});
		if (control.isOwnMessage()) setAlignment(Pos.CENTER_RIGHT);
		else setAlignment(Pos.CENTER_LEFT);
		return control;
	}
}