Bug 198231 Exception when preview attached report in excel.[1203]
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/layout/ExcelLayoutEngine.java
getCurrentContainer( ).setEmpty( false );
		int col = axis.getCoordinate( data.getRule( ).getStart( ) );
		int span = axis.getCoordinate( data.getRule( ).getEnd( ) ) - col;
		addDatatoCache( col, data );
		for ( int i = col + 1; i < col + span; i++ )
		{
			addDatatoCache( i, waste );
		}
	}
	public XlsContainer createContainer( Rule rule, IStyle style )
	{
		return new XlsContainer( engine.createEntry( rule, style ), rule );
	}
	public Map getStyleMap( )
	{
		return engine.getStyleIDMap( );
	}
	public int[] getCoordinates( )
	{
		return axis.getCoordinates( );
	}
	public int getRowCount( )
	{
		int realcount = cache.getRowCount( );
		return Math.min( realcount, MAX_ROW - 1 );
	}
	public AxisProcessor getAxis( )
	{
		return axis;
	}