Bug 113938 Report is marked dirty when open/close cascading parameter dialog without doing any operation on it
description: Report is marked dirty when open/close cascading parameter dialog without doing any operation on it steps to reproduce: 1.new a cascading parameter group 2.save the reprot 3.double click the cascading parameter to bring out edit box 4.click OK to close edit box actual result: Report has been marked dirty expected result: No dirty marked for that no operations done in edit parameter dialog
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
formatCategroy = getCategroy( selectedParameter.getFormat( ) );
				formatPattern = getPattern( selectedParameter.getFormat( ) );
			}
		}
		updateFormatField( );
	}
	private String getInputDisplayName( )
	{
		String displayName = null;
		if ( DesignChoiceConstants.PARAM_CONTROL_LIST_BOX.equals( selectedParameter.getControlType( ) ) )
		{
			if ( selectedParameter.isMustMatch( ) )
			{
				displayName = DISPLAY_NAME_CONTROL_COMBO;
			}
			else
			{
				displayName = DISPLAY_NAME_CONTROL_LIST;
			}
		}
		return displayName;
	}
	private IChoiceSet getFormatChoiceSet( String type )
	{
		IChoiceSet choiceSet = null;
		if ( DesignChoiceConstants.PARAM_TYPE_STRING.equals( type ) )
		{
			choiceSet = DesignEngine.getMetaDataDictionary( )
					.getChoiceSet( DesignChoiceConstants.CHOICE_STRING_FORMAT_TYPE );
		}