ParseListModel.java

package name.admitriev.jhelper.ui;

import javax.swing.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;


/**
 * ListModel that allows adding an entire {@code Collection}
 */
public class ParseListModel<T> extends AbstractListModel<T> {
	private List<T> list = new ArrayList<>();

	@Override
	public int getSize() {
		return list.size();
	}

	@Override
	public T getElementAt(int index) {
		return list.get(index);
	}

	public void removeAll() {
		int size = getSize();
		if (size == 0) {
			return;
		}
		list.clear();
		fireIntervalRemoved(this, 0, size - 1);
	}

	public void addAll(Collection<T> collection) {
		if (collection.isEmpty()) {
			return;
		}
		int size = getSize();
		list.addAll(collection);
		fireIntervalAdded(this, size, getSize() - 1);
	}
}