Bug 118750 Insert group for table from library, system throws exception.
Insert group for table from library, system throws exception. Steps: 1.Insert a tabel from library 2.Insert group Actual Results: 1.System throws exception A Birt exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:1.0.1 Error Code:Error.ContentException.STRUCTURE_CHANGE_FORBIDDEN Error Message:Element "report.Body[1]" is child element or a virtual element( inside the child ), can not change its structure. Expected Results: 1.Can be inserted group
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/core/model/schematic/TableHandleAdapter.java
int px = (int) DEUtil.convertoToPixel( handle );
			if ( px <= 0 )
			{
				return null;
			}
			return String.valueOf( px );
		}
	}
	/**
	 * Get the default width.
	 * 
	 * @param colNumber
	 *            The column number.
	 * @return The default width.
	 */
	public int getDefaultWidth( int colNumber )
	{
		Dimension size = getDefaultSize( );
		Object obj = getRow( 1 );
		if ( obj == null )
		{
			return size.width;
		}
		int allNumbers = getColumnCount( );
		if ( allNumbers <= 0 )
		{
			return size.width;
		}
		if ( colNumber <= 0 )
		{