@Override
	public void actionPerformed(ActionEvent e) {
		if(e.getSource() == this.addBtn) {
			try {
				this.model.addNewItem();
				this.table.repaint();
			} catch(Exception exception) {
				JOptionPane.showMessageDialog(this, Utilities.getStackTrace(exception), exception.getMessage(), JOptionPane.ERROR_MESSAGE);
			}
		} else if(e.getSource() == this.removeBtn) {
			this.model.removeItems();
			this.table.repaint();
		}		
	}