org.protege.editor.owl.ui.framelist.ExplainButton Maven / Gradle / Ivy

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OWL ontology editing infrastructure used by the Protege desktop application.

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package org.protege.editor.owl.ui.framelist;

import org.protege.editor.core.ui.list.MListButton;

import java.awt.*;
import java.awt.event.ActionListener;


/**
 * Author: Matthew Horridge

 * The University Of Manchester

 * Bio-Health Informatics Group

 * Date: 01-Mar-2007


 */
public class ExplainButton extends MListButton {

    public ExplainButton(ActionListener actionListener) {
        super("Explain inference", new Color(100, 40, 140), actionListener);
    }


    public void paintButtonContent(Graphics2D g) {
        int stringWidth = g.getFontMetrics().getStringBounds("?", g).getBounds().width;
        int w = getBounds().width;
        int h = getBounds().height;
        g.drawString("?",
                     getBounds().x + w / 2 - stringWidth / 2,
                     getBounds().y + g.getFontMetrics().getAscent() / 2 + h / 2);
    }
}