Bug 131628 Dynamic pick list enhancements - BIRT designer UI changes
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
valueList.add( models[i].getAlias( ) == null
						? models[i].getName( ) : models[i].getAlias( ) );
			}
		}
		return (String[]) valueList.toArray( new String[0] );
	}
	private void setCellEditorItems( )
	{
		( (ComboBoxCellEditor) cellEditors[1] ).setItems( getDataSetColumns( selectedParameter ) );
		( (ComboBoxCellEditor) cellEditors[2] ).setItems( getDataSetColumns( ) );
	}
	private IStructuredContentProvider contentProvider = new IStructuredContentProvider( ) {
		public Object[] getElements( Object inputElement )
		{
			ArrayList elementsList = new ArrayList( inputParameterGroup.getParameters( )
					.getContents( ) );
			for ( Iterator iter = elementsList.iterator( ); iter.hasNext( ); )
			{
				ScalarParameterHandle handle = (ScalarParameterHandle) iter.next( );
				String[] columns = getDataSetColumns( handle );
				boolean found = false;
				for ( int i = 0; i < columns.length; i++ )
				{
					if ( DEUtil.getColumnExpression( columns[i] )
							.equals( handle.getValueExpr( ) ) )
					{
						found = true;
						break;
					}
				}