Bug 210507 Enhance Report engine to support multiple view
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/Report.java
public void addContent( ReportItemDesign item )
	{
		this.contents.add( item );
	}
	/**
	 * get the style.
	 * 
	 * @param index
	 *            style index
	 * @return style
	 */
	public Map getStyles( )
	{
		return styleTable;
	}
	/**
	 * add a style definition into the report.
	 * 
	 * @param style
	 *            style definition.
	 */
	public void addStyle( String name, CSSStyleDeclaration style )
	{
		assert ( style != null );
		this.styles.add( style );
		this.styleTable.put( name, style );
	}
	/**
	 * Finds the style in the report.
	 *