prefsdialog.java

weka机器学习系统（本站可下载）的拓展

package com.prcomps.cahitarf.gui;

import com.sohlman.easylayout.EasyLayout;
import com.sohlman.easylayout.Constraint;

import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JEditorPane;
import javax.swing.JOptionPane;
import javax.swing.event.HyperlinkListener;
import javax.swing.event.HyperlinkEvent;
import java.awt.Frame;
import java.awt.HeadlessException;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Dimension;
import java.awt.FileDialog;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
import java.util.ResourceBundle;
import java.io.File;
import java.io.IOException;

/**
 */
public class PrefsDialog
        extends JDialog
{
    private ResourceBundle bundle = WizardFrame.getBundle();
    private String laf;
    private JEditorPane lblAbout;
    private Frame owner;


    public PrefsDialog( Frame owner )
            throws HeadlessException
    {
        super( owner, WizardFrame.getBundle().getString( "wizard.prefs.title" ), true );

        this.owner = owner;

        JPanel container = new JPanel();
        container.setLayout( new BorderLayout() );

        JPanel buttonPanel = buildButtonPanel();
        JPanel prefsPanel = buildPrefsPanel();
        container.add( prefsPanel, BorderLayout.CENTER );
        container.add( buttonPanel, BorderLayout.SOUTH );

        lblAbout = new JEditorPane( "text/html", about );
        lblAbout.setEditable( false);
        lblAbout.setBackground( javax.swing.UIManager.getColor( "background" ) );
        lblAbout.addHyperlinkListener( new HyperlinkListener()
        {
            public void hyperlinkUpdate( HyperlinkEvent e )
            {
                if ( e.getEventType() ==  HyperlinkEvent.EventType.ACTIVATED )
                    launchURL( e.getURL().toExternalForm() );
            }
        }
        );
        container.add( lblAbout, BorderLayout.NORTH );

        getContentPane().add(container);
        pack();
        setSize( 500, 300 );
        centerDialog();
    }

    private void launchURL( String url )
    {
        try
        {
        if(System.getProperty("os.name").indexOf("Windows") >= 0)
            CAPanel.launchW32AssocProgram( ".html", url );
        else
        {
            FileDialog fileDialog = new FileDialog( owner );
            fileDialog.setMode(0);
            fileDialog.setTitle("Choose the browser to use:");
            fileDialog.setVisible(true);
            String resultPath = fileDialog.getDirectory();
            String resultFile = fileDialog.getFile();
            if(resultPath != null && resultPath.length() != 0 && resultFile != null && resultFile.length() != 0)
            {
                File file = new File(resultPath + resultFile);
                if(file != null)
                {
                    String browserName = file.getPath();
                    try
                    {
                        Runtime.getRuntime().exec(new String[] {
                            browserName, "http://www.ca.com"
                        });
                    }
                    catch(IOException exc)
                    {
                        exc.printStackTrace();
                    }
                }
            }
        }
        }
        catch ( IOException e )
        {
            JOptionPane.showMessageDialog( this, url );
        }
    }

    private JPanel buildPrefsPanel()
    {
        JPanel prefsPanel = new JPanel( new EasyLayout( new int[] { 60, 40 }, new int[]{100}, 6, 6 ) );
        JComboBox cbLaf = new JComboBox( new String[] { "Aqua", "Modern", "BeOS", "CellShaded", "Whistler" } );
        String currentLaf = WizardFrame.getCurrentLaf();
        for ( int i=0; i<cbLaf.getItemCount(); i++ )
            if ( cbLaf.getItemAt( i ).toString().equalsIgnoreCase( currentLaf ) )
            {
                cbLaf.setSelectedIndex( i );
                laf = currentLaf;
                break;
            }
        cbLaf.addItemListener( new ItemListener()
        {
            public void itemStateChanged( ItemEvent e )
            {
                laf =  e.getItem().toString().toLowerCase();
            }

        });
        JLabel lbLaf = new JLabel( bundle.getString( "wizard.prefs.laf" ) );
        prefsPanel.add( lbLaf, new Constraint( 0, 0, Constraint.RIGHT, Constraint.BOTTOM, 5, 5 ) );
        prefsPanel.add( cbLaf, new Constraint( 1, 0, Constraint.LEFT, Constraint.BOTTOM, 5, 5 ) );

        return prefsPanel;
    }

    private JPanel buildButtonPanel()
    {
        JPanel buttonPanel = new JPanel();
        buttonPanel.setLayout ( new FlowLayout(FlowLayout.RIGHT) );
        JButton cancel = new JButton("Close");
        cancel.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent e)
            {
                CancelPressed();
            }
        });
        buttonPanel.add( cancel );
        JButton ok = new JButton("Apply");
        ok.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent e)
            {
                OKPressed();
            }
        });
        buttonPanel.add( ok );
        getRootPane().setDefaultButton(ok);

        return buttonPanel;
    }

    protected void centerDialog()
    {
        Dimension screenSize = this.getToolkit().getScreenSize();
        Dimension size = this.getSize();
        screenSize.height = screenSize.height/2;
        screenSize.width = screenSize.width/2;
        size.height = size.height/2;
        size.width = size.width/2;
        int y = screenSize.height - size.height;
        int x = screenSize.width - size.width;
        this.setLocation(x,y);
    }

    public void CancelPressed()
    {
        this.setVisible(false);
    }

    public void OKPressed()
    {
        this.setVisible(false);
        ((WizardFrame) getOwner()).setLookAndFeel( laf );
        dispose();
    }

    private final String anypay = "https://secure.anypay.com/apmain?interfaceId=LinkPaymentAccept&langCode=eng&.curr=EUR&.email=[e-mail]&.description=Donation+for+Cahit+Arf%2C+a+data+extraction+tool+for+WEKA&.amount=20.00&.clearingMode=1&.quantityEdit=true&.returnUrl=http%3A%2F%2Fwww.primecomponents.com%2Fopensource%2Fcahitarf%2Fthanks.php";
    private final String about = "<html><body><h3 align=center>Cahit Arf V1.0</h3><p> &nbsp;&nbsp;&copy; &nbsp;2003, " +
            "<a href=\"mailto:[e-mail]\">Ayhan Alkan &040; PrimeComponents</a></p>" +
            "<p>&nbsp;&nbsp;Visit us at <a href=\"http://www.primecomponents.com/\">http://www.primecomponents.com/"+
            "<p>&nbsp;&nbsp;Commercial users, if you would like to donate, please click <a href=\"" + anypay + "\" target=\"_blank\"><img src=\""+
            getClass().getClassLoader().getResource( "icons/secure_payment_88x33.gif" ).toExternalForm() + "\" align=middle></a>" +
            "<br><hr></body></html>";
}