Bug 192796 In pdf xtab move to next page with a label before it.[1102]
Description: In pdf xtab move to next page with a label before it. Build number:2.2.0.v20070615 Steps to reproduce: 1. Open attached xtab report. 2. Preview in pdf. 3. Remove the label item and preview in pdf again. Expected result: A label before the xtab will not cause the whole xtab moving to the second page. Actual result: In step2, xtab displays in the second page. In step3, xtab displays in the first page. Error log:n/a
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
if ( layoutInfo != null )
		{
			return layoutInfo.getCellWidth( startColumn, endColumn );
		}
		return 0;
	}
	
	public PDFTableRegionLM getTableRegionLayout()
	{
		PDFReportLayoutEngine engine = context.getLayoutEngine( );
		PDFLayoutEngineContext con = new PDFLayoutEngineContext( engine );
		con.setFactory( new PDFLayoutManagerFactory( con ) );
		con.setFormat( context.getFormat( ) );
		con.setReport( context.getReport( ) );
		con.setMaxHeight( context.getMaxHeight( ) );
		con.setMaxWidth( context.getMaxWidth( ) );
		con.setAllowPageBreak( false );
		if(regionLayout==null)
		{
			regionLayout = new TableAreaLayout( tableContent, layoutInfo, 0,
					columnNumber );
		}
		return new PDFTableRegionLM( con, tableContent, layoutInfo, regionLayout );
		
	}
	protected void repeatHeader( )
	{
		if ( isFirst )
		{
			return;