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package baseCode.gui;
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3
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import java.awt.BorderLayout;
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4
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import java.awt.Color;
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5
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import java.awt.Dimension;
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6
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import java.awt.event.ActionEvent;
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7
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import java.awt.event.ActionListener;
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import java.io.IOException;
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9
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import java.net.URL;
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10
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import javax.swing.JEditorPane;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTextField;
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import javax.swing.event.HyperlinkEvent;
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import javax.swing.event.HyperlinkListener;
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public class JWebBrowser extends JFrame implements HyperlinkListener,
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ActionListener {
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private JTextField m_urlField;
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private JEditorPane m_htmlPane;
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private String m_initialURL;
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public static void main( String[] args ) {
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if ( args.length == 0 )
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new JWebBrowser( "http://microarray.genomecenter.columbia.edu/ermineJ" );
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else
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new JWebBrowser( args[0] );
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}
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public JWebBrowser( String initialURL ) {
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super( "Web Browser" );
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m_initialURL = initialURL;
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40
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JPanel topPanel = new JPanel();
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topPanel.setBackground( Color.lightGray );
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JLabel urlLabel = new JLabel( "URL:" );
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m_urlField = new JTextField( 30 );
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m_urlField.setText( initialURL );
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m_urlField.addActionListener( this );
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topPanel.add( urlLabel );
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topPanel.add( m_urlField );
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getContentPane().add( topPanel, BorderLayout.NORTH );
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try {
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m_htmlPane = new JEditorPane( initialURL );
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m_htmlPane.setEditable( false );
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m_htmlPane.addHyperlinkListener( this );
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JScrollPane scrollPane = new JScrollPane( m_htmlPane );
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getContentPane().add( scrollPane, BorderLayout.CENTER );
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} catch ( IOException e ) {
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58
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GuiUtil.error( "Can't build HTML pane for " + initialURL, e );
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59
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}
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60
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61
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Dimension screenSize = getToolkit().getScreenSize();
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62
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int width = screenSize.width * 8 / 10;
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63
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int height = screenSize.height * 8 / 10;
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setBounds( width / 8, height / 8, width, height );
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setVisible( true );
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}
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68
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public void actionPerformed( ActionEvent event ) {
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String url;
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if ( event.getSource() == m_urlField )
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url = m_urlField.getText();
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else
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url = m_initialURL;
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try {
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m_htmlPane.setPage( new URL( url ) );
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m_urlField.setText( url );
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} catch ( IOException e ) {
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GuiUtil.error( "Can't follow link to " + url, e );
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80
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}
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}
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82
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83
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public void hyperlinkUpdate( HyperlinkEvent event ) {
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84
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if ( event.getEventType() == HyperlinkEvent.EventType.ACTIVATED ) {
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85
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try {
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m_htmlPane.setPage( event.getURL() );
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87
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m_urlField.setText( event.getURL().toExternalForm() );
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} catch ( IOException e ) {
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GuiUtil.error( "Can't follow link to "
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90
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+ event.getURL().toExternalForm(), e );
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91
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}
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92
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}
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93
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}
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94
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}
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95
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96
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