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propertyChangeEvent problem with JTable in 1.3 and higher

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dddutcher

Programmer
Oct 3, 2001
5
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Using the Java plug-in 1.3 or higher, this code does not work. 1.2 works fine.

The propertyChangeEvent is never fired by the JTable. Any suggestions on what I could be doing wrong? Any help is greatly appreciated.

Code:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

import java.lang.Exception;
import javax.swing.JOptionPane;
import javax.swing.table.*;
import javax.swing.event.*;

public class JTableTest extends JApplet {
    boolean isStandalone = false;

    public String getParameter(String key, String def) {
        if (isStandalone) {
            return System.getProperty(key, def);
        }
        if (getParameter(key) != null) {
            return getParameter(key);
        }
        return def;
    }

    public JTableTest() {
    }

    public void init() {
        //getContentPane().add(testPanel);
        TimeSheetGrid grid = new TimeSheetGrid();
        getContentPane().add(grid);

    }

    public String getAppletInfo() {
        return "Applet Information";
    }

    public String[][] getParameterInfo() {
        return null;
    }

    static {
        try {
          UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }
        catch(Exception e) {
            e.printStackTrace();
        }
    }
}






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

public class TimeSheetGrid extends JPanel
                           implements TableColumnModelListener

{

    private AVGridTableColumnModel  cmMain  = null;
    private JTable JTableMain   = new JTable(2, 5);
    private JScrollPane JScrollMain  = new JScrollPane(JTableMain);

    public TimeSheetGrid()
    {
        super();
	init();
    }

    private void init()
    {
	setLayout(new BorderLayout(0,0));
	JScrollMain.setPreferredSize(new Dimension(600, 460));		 
        JScrollMain.setHorizontalScrollBarPolicy
(JScrollMain.HORIZONTAL_SCROLLBAR_NEVER);
        JScrollMain.setVerticalScrollBarPolicy
(JScrollMain.VERTICAL_SCROLLBAR_ALWAYS);
	add(JScrollMain, BorderLayout.CENTER);

        cmMain = new AVGridTableColumnModel();
	cmMain.addColumnModelListener( this );
	JTableMain.setColumnModel( cmMain );
	JTableMain.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
	JTableMain.setColumnSelectionAllowed(false);
	JTableMain.getTableHeader().setReorderingAllowed( true );
	JTableMain.getColumnModel().addColumnModelListener( this );
    }

    public void columnAdded(TableColumnModelEvent e){}

    public void columnRemoved(TableColumnModelEvent e) {}

    public void columnMoved(TableColumnModelEvent e) {}

    public void columnMarginChanged(ChangeEvent e)
    {
        System.out.println("Column Margin Changed");
    }

    public void columnSelectionChanged(ListSelectionEvent e){}
}




import java.beans.PropertyChangeEvent;
import javax.swing.table.DefaultTableColumnModel;
import javax.swing.table.TableColumn;

public class AVGridTableColumnModel extends DefaultTableColumnModel
{

    private TableColumn col = null;

    AVGridTableColumnModel()
    {
        super();
        init();
    }

    public void init()
    {
        for (int i = 0; i < 5; i++)
        {
            col = new TableColumn();
            col.setHeaderValue(&quot;colHdr&quot;+ i);
            col.addPropertyChangeListener( this );
            addColumn(col);
        }
    }

    public void propertyChange(PropertyChangeEvent evt)
    {
        String name = evt.getPropertyName();
        System.out.println(name);
	if (name.equals(&quot;columWidth&quot;)) {

            System.out.println(&quot;Property Change Event fired&quot;);
	    super.fireColumnMarginChanged();
	}
    }
}
 
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