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
* requester formats, parses and validates the parameter. Types are defined
	 * in <code>DesignChoiceConstants</code> can be one of the followings:
	 * 
	 * <ul>
	 * <li><code>PARAM_TYPE_STRING</code>
	 * <li><code>PARAM_TYPE_FLOAT</code>
	 * <li><code>PARAM_TYPE_DECIMAL</code>
	 * <li><code>PARAM_TYPE_DATETYPE</code>
	 * <li><code>PARAM_TYPE_BOOLEAN</code>
	 * </ul>
	 * 
	 * @return the type for the parameter
	 * 
	 * @see #setType(String)
	 * @see org.eclipse.birt.report.model.api.elements.DesignChoiceConstants
	 * 
	 * @deprecated Replaced by the method {@link #getDataType()}
	 */
	public String getType( )
	{
		return getDataType( );
	}
	/**
	 * Sets the data type for this parameter. The data type controls how the
	 * Requester formats, parses and validates the parameter. Types are defined
	 * in <code>DesignChoiceConstants</code> can be one of the followings:
	 * 
	 * <ul>
	 * <li><code>PARAM_TYPE_STRING</code>
	 * <li><code>PARAM_TYPE_FLOAT</code>