Bug 180864 Change Allow Null option in Cascading Group.[0705]
Description: Change Allow Null option in Cascading Group. Build number:2.2.0.v20070404 Steps to reproduce: 1. New a cascading group and add sub parameter. Expected result: Is Required option in cascading group definition dialog. Actual result: Allow null value option in Cascading Group definition dialog Error log:N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
.getChoiceSet( DesignChoiceConstants.CHOICE_DATETIME_FORMAT_TYPE );
		}
		else if ( DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( type )
				|| DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( type )
				|| DesignChoiceConstants.PARAM_TYPE_INTEGER.equals( type ) )
		{
			choiceSet = DEUtil.getMetaDataDictionary( )
					.getChoiceSet( DesignChoiceConstants.CHOICE_NUMBER_FORMAT_TYPE );
		}
		return choiceSet;
	}
	private String getSelectedDataType( )
	{
		String type = null;
		if ( StringUtil.isBlank( dataTypeChooser.getText( ) ) )
		{
			if ( selectedParameter != null )
			{
				type = selectedParameter.getDataType( );
			}
			else
			{
				type = DesignChoiceConstants.PARAM_TYPE_STRING;
			}
		}
		else
		{
			IChoice choice = DATA_TYPE_CHOICE_SET.findChoiceByDisplayName( dataTypeChooser.getText( ) );
			type = choice.getName( );
		}