BinaryStatementFigure.java example

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/**
 * Copyright 2004-2016 Riccardo Solmi. All rights reserved.
 * This file is part of the Whole Platform.
 *
 * The Whole Platform is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The Whole Platform is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
 */
package org.whole.lang.firstorderlogic.ui.figures;

import org.eclipse.draw2d.IFigure;
import org.whole.lang.ui.figures.ContentPaneFigure;
import org.whole.lang.ui.figures.LabelFactory;
import org.whole.lang.ui.layout.RowLayout;

/**
 *  @author Riccardo Solmi
 */
public class BinaryStatementFigure extends ContentPaneFigure {
    private IFigure p1, p2, p3, p4;

    public BinaryStatementFigure(String operatorLabel) {
        super(new RowLayout().withSpacing(0));
        initContentPanes(2);
        p1 = addContentLighter("(");
        add(createContentPane(0));
        p2 = addContentLighter(")");
        add(LabelFactory.createSymbolMediumContent(operatorLabel));
        p3 = addContentLighter("(");
        add(createContentPane(1));
        p4 = addContentLighter(")");
        showLeftParen(false);
        showRightParen(false);
    }

    public void showLeftParen(boolean val) {
        p1.setVisible(val);
        p2.setVisible(val);
    }

    public void showRightParen(boolean val) {
        p3.setVisible(val);
        p4.setVisible(val);
    }
}