Description Soichiro Yoshimura 2008-09-24 03:00:30 EDT

Build ID: I20080617-2000

Steps To Reproduce:
GridColumnhave a number of not garbage collected fields caused by crossreferences.

Please fix dispose method of GridColumn.

GridColumn Line:224
::::FROM:::::::

 /**
     * {@inheritDoc}
     */
    public void dispose()
    {
        if (!parent.isDisposing())
        {
            parent.removeColumn(this);
            if (group != null)
                group.removeColumn(this);
        }
        super.dispose();
    }

::::TO:::::::
   /**
     * {@inheritDoc}
     */
    public void dispose()
    {
        if (!parent.isDisposing())
        {
            parent.removeColumn(this);
            parent = null;
            
            if (group != null)
            {
                group.removeColumn(this);
                group = null;
            }
        }
        
        if(cellRenderer != null)
        {
        	cellRenderer.setDisplay(null);
        	cellRenderer = null;
        }
        
        if(headerRenderer != null)
        {
        	headerRenderer.setDisplay(null);
        	headerRenderer = null;
        }
        
        super.dispose();
    }


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