Java Exception from inside

From:

Radwanski <anon23@comweb.nl>

Newsgroups:

comp.lang.java.help

Date:

Tue, 31 Mar 2009 01:19:23 -0700 (PDT)

Message-ID:

<7020c989-1c2c-4464-b73b-109f4626949c@z19g2000yqe.googlegroups.com>

I made a JTable.
Actually I subclassed it to get rid JTable multtidifficult
functionality.
I just want to display my information in a table nothing more.

So far it works but when Java wants to repaint the Table
from inside some exception boil up.
Exception in thread "AWT-EventQueue-0"
java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
This only happens when rows are added.

I have no clue what causes the Exception.
I see now reference to my table so I can't debug it.
I pasted the Exception list at the end.

I subclassed DefaultTableModel and used it as in innerclass of
myTable.
I did this to get rid of the editable functionality of JTable
private class MyTableModel extends DefaultTableModel
{
    public boolean isCellEditable(int row,int column)
    {
    return false;
    }
}

To controll the look of MyTable I subclassed TableCellRenderer and
added
it also as an innerclass.
public MyTableRenderer()
{
   super();
   setOpaque(true); // background must show
}

public MyTableRenderer(CellContent content)
    {
     super();
     setOpaque(true); // background must show
     this.setBackground(content.getBackground());
     this.setForeground(content.getForeground());
     this.setFont(content.getFont());
     this.setHorizontalAlignment(content.getHorizontalAlignment());
     if (content.getLineBorder()!=null) this.setBorder
(content.getLineBorder());
     this.setText(content.getValue());
    }

     public Component getTableCellRendererComponent( JTable table,
     Object cellContent,
                             boolean isSelected,
                             boolean hasFocus,
                             int row,
                             int
column)
     {
     if (cellContent==null) return this;
     CellContent content=(CellContent)cellContent; // We only cast
one time to speed up.
     this.setBackground(content.getBackground());
     this.setForeground(content.getForeground());
     this.setFont(content.getFont());
     this.setHorizontalAlignment(content.getHorizontalAlignment());
     if (content.getLineBorder()!=null) { this.setBorder
(content.getLineBorder()); }
     this.setText(content.getValue());
     return this;
     }
    }

==============

Exception in thread "AWT-EventQueue-0"
java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
    at java.util.Vector.elementAt(Vector.java:427)
    at javax.swing.table.DefaultTableModel.getValueAt
(DefaultTableModel.java:633)
    at javax.swing.JTable.getValueAt(JTable.java:2695)
    at javax.swing.JTable.prepareRenderer(JTable.java:5712)
    at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:
2075)
    at javax.swing.plaf.basic.BasicTableUI.paintCells
(BasicTableUI.java:1977)
    at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:
1773)
    at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
    at javax.swing.JComponent.paintComponent(JComponent.java:763)
    at javax.swing.JComponent.paint(JComponent.java:1027)
    at javax.swing.JComponent.paintChildren(JComponent.java:864)
    at javax.swing.JComponent.paint(JComponent.java:1036)
    at javax.swing.JViewport.paint(JViewport.java:747)
    at javax.swing.JComponent.paintChildren(JComponent.java:864)
    at javax.swing.JComponent.paint(JComponent.java:1036)

    at javax.swing.JComponent.paintChildren(JComponent.java:864)
    at javax.swing.JComponent.paint(JComponent.java:1036)
    at javax.swing.JComponent.paintChildren(JComponent.java:864)
    at javax.swing.JComponent.paint(JComponent.java:1036)
    at javax.swing.JLayeredPane.paint(JLayeredPane.java:564)
    at javax.swing.JComponent.paintChildren(JComponent.java:864)
    at javax.swing.JComponent.paintToOffscreen(JComponent.java:5129)
    at javax.swing.BufferStrategyPaintManager.paint
(BufferStrategyPaintManager.java:277)
    at javax.swing.RepaintManager.paint(RepaintManager.java:1217)
    at javax.swing.JComponent.paint(JComponent.java:1013)
    at java.awt.GraphicsCallback$PaintCallback.run
(GraphicsCallback.java:21)
    at sun.awt.SunGraphicsCallback.runOneComponent
(SunGraphicsCallback.java:60)
    at sun.awt.SunGraphicsCallback.runComponents
(SunGraphicsCallback.java:97)
    at java.awt.Container.paint(Container.java:1762)
    at javax.swing.RepaintManager.paintDirtyRegions
(RepaintManager.java:814)
    at javax.swing.RepaintManager.paintDirtyRegions
(RepaintManager.java:714)
    at javax.swing.RepaintManager.seqPaintDirtyRegions
(RepaintManager.java:694)
    at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run
(SystemEventQueueUtilities.java:128)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:
209)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
    at java.awt.EventDispatchThread.pumpOneEventForFilters
(EventDispatchThread.java:269)
    at java.awt.EventDispatchThread.pumpEventsForFilter
(EventDispatchThread.java:184)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy
(EventDispatchThread.java:174)
    at java.awt.EventDispatchThread.pumpEvents
(EventDispatchThread.java:169)
    at java.awt.EventDispatchThread.pumpEvents
(EventDispatchThread.java:161)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)