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TASSEL is a software package to evaluate traits associations, evolutionary patterns, and linkage disequilibrium.

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/*
 * DialogUtils.java
 *
 * Created on April 17, 2006
 */
package net.maizegenetics.gui;

import org.apache.log4j.Logger;

import javax.swing.*;
import java.awt.*;

/**
 * @author Terry Casstevens
 */
public class DialogUtils {

    private static final Logger myLogger = Logger.getLogger(DialogUtils.class);

    private static final int DEFAULT_MESSAGE_LINE_LENGTH = 50;

    private DialogUtils() {
    }

    public static void showWarning(String str, Component parent) {
        if (parent == null) {
            myLogger.warn(str);
        } else {
            SwingUtilities.invokeLater(() -> JOptionPane.showMessageDialog(parent, getErrorMessage(str), "Warning", JOptionPane.WARNING_MESSAGE));
        }
    }

    public static void showError(String str, Component parent) {
        if (parent == null) {
            myLogger.error(str);
        } else {
            SwingUtilities.invokeLater(() -> JOptionPane.showMessageDialog(parent, getErrorMessage(str), "Error", JOptionPane.ERROR_MESSAGE));
        }
    }

    private static String getErrorMessage(String message) {
        if (message.length() <= DEFAULT_MESSAGE_LINE_LENGTH) {
            return message;
        }
        int count = 0;
        StringBuilder builder = new StringBuilder();
        builder.append("");
        for (int i = 0, n = message.length(); i < n; i++) {
            count++;
            if (message.charAt(i) == '\n') {
                builder.append("
");
                count = 0;
            } else if ((count > DEFAULT_MESSAGE_LINE_LENGTH) && (message.charAt(i) == ' ')) {
                builder.append("
");
                count = 0;
            } else {
                builder.append(message.charAt(i));
            }
        }
        builder.append("");
        return builder.toString();
    }

}