Dialogs.java Source code

Introduction

Here is the source code for Dialogs.java

Source

/*
 * Copyright (C) 2001-2003 Colin Bell
 * colbell@users.sourceforge.net
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
import java.awt.Component;
import java.awt.Frame;
import java.io.File;

import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;

/**
 * This class provides some methods for using standard JDK dialogs.
 *
 * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
 */
public class Dialogs {
    public static void showNotYetImplemented(Component owner) {
        JOptionPane.showMessageDialog(owner, "Not Yet Implemented", "", JOptionPane.INFORMATION_MESSAGE);
    }

    public static boolean showYesNo(Component owner, String msg) {
        return showYesNo(owner, msg, "");
    }

    public static boolean showYesNo(Component owner, String msg, String title) {
        int rc = JOptionPane.showConfirmDialog(owner, msg, title, JOptionPane.YES_NO_OPTION);
        return rc == JOptionPane.YES_OPTION;
    }

    public static void showOk(Component owner, String msg) {
        JOptionPane.showMessageDialog(owner, msg, "", JOptionPane.INFORMATION_MESSAGE);
    }

    private static boolean canSaveToFile(Frame parentFrame, File outFile) {
        if (!outFile.exists()) {
            return true;
        }
        String msg = "Alreadyexists" + outFile.getAbsolutePath();
        if (!Dialogs.showYesNo(parentFrame, msg)) {
            return false;
        }
        if (!outFile.canWrite()) {
            msg = "Cannotwrite" + outFile.getAbsolutePath();
            Dialogs.showOk(parentFrame, msg);
            return false;
        }
        outFile.delete();
        return true;
    }
}