Bug 214577 Support cube filter in chart
For chart consuming cube, need to support filtering on categories or series, possibly on values if time allows. The UI is similar to the filter dialog for cross tab, but there should be no measure or dimension concepts in chart's dialog.
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/ReportDataServiceProvider.java
return list;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.interfaces.IDataServiceProvider#getAllStyles()
	 */
	public String[] getAllStyles( )
	{
		StyleHandle[] handles = getAllStyleHandles( );
		String[] names = new String[handles.length];
		for ( int i = 0; i < names.length; i++ )
		{
			names[i] = handles[i].getQualifiedName( );
		}
		
		
		names = filterPreStyles( names );
		return names;
	}
	/**
	 * Filter predefined styles.
	 * 
	 * @param items
	 *            all available styles
	 * @return filtered styles.
	 */
	private String[] filterPreStyles( String items[] )
	{
		String[] newItems = items;