public ChoicePanel(TranslatePanel t, NaryPanel np) {
		super();
		this.t = t;
		this.np = np;
		setPreferredSize(new Dimension(600, 400));

		setLayout(new GridBagLayout());

		c = new GridBagConstraints();
		c.fill = GridBagConstraints.HORIZONTAL;
		c.anchor = GridBagConstraints.LINE_START;
		c.gridx = 0;
		c.gridy = 1;
		c.weightx = 1;
		c.insets = new Insets(3, 3, 3, 3);

		JLabel chooseLabel = new JLabel("Choose the most important entity");
		add(chooseLabel, c);

		c.gridx = 0;
		c.gridy = 2;
		c.gridwidth = GridBagConstraints.REMAINDER;
		add(getRootCombo(), c);

		currLine = 2;

		getNextButton();
		getCancelButton();
	}