Bug 141709 The Interface "IScalarParameterModel" should provide a "TEXT_ID_PROP" member.
In order to provide the "Localization" function in Property Editor of Parameter, it requires to implement a "ScalarParameterI18nPage" Class similar to the Class of "LabelI18nPage", and it consequently needs to "IScalarParameterModel" provide a "TEXT_ID_PROP" member for "ScalarParameterHandle" Class.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ScalarParameterHandle.java
setProperty( ScalarParameter.ALLOW_BLANK_PROP, Boolean
				.valueOf( allowNull ) );
	}
	/**
	 * Returns the format instructions for the parameter value. The format is
	 * used by the UI to display the value.
	 * 
	 * @return the format for the parameter value
	 * @deprecated replaced by getPattern and getCategory.
	 */
	public String getFormat( )
	{
		return getPattern( );
	}
	/**
	 * Returns the pattern of format instructions for the parameter value. The
	 * format is used by the UI to display the value.
	 * 
	 * @return the pattern of format for the parameter value
	 */
	public String getPattern( )
	{
		Object value = getProperty( FORMAT_PROP );
		if ( value == null )
			return null;
		assert value instanceof ParameterFormatValue;
		return ( (ParameterFormatValue) value ).getPattern( );
	}
	/**
	 * Returns the category for the parameter format. The format is used by the