Bug 160429 Drag the datasource and dataset and produce an error gradation in data explorer
Details: Drag the datasource and dataset and produce an error gradation in data explorer Step: 1.New 4 datasource named d1, d2, d3, d4. 2.Drag the datasource in data explorer to change the gradation. (1) Drag d1 between d2 and d3. (2) Drag d2 between d3 and d4. (3) Drag d4 between d2 and d3. (4) Drag d4 to the top. (5) Drag d3 between d1 and d2. (6) Drag d3 to the top. Actual result: (1) d1 will be move to bottom. (2) d2 will be move to bottom. (3) d4 will not be move to anywhere. (4) d4 will not be move to anywhere. (5) d3 will be move to bottom. (6) d3 will be move to bottom. Excepted result: The datasource will be move to the correct station.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
}
	/**
	 * Returns all template parameter definition handles that this modules and
	 * the included modules contain.
	 * 
	 * @return all template parameter definition handles that this modules and
	 *         the included modules contain.
	 */
	List getAllTemplateParameterDefinitions( )
	{
		List elementList = module.getModuleNameSpace(
				Module.TEMPLATE_PARAMETER_NAME_SPACE ).getElements(
				IModuleNameScope.NATIVE_LEVEL );
		return generateHandleList( elementList );
	}
	/**
	 * Returns the static description for the module.
	 * 
	 * @return the static description to display
	 */
	public String getDescription( )
	{
		return getStringProperty( Module.DESCRIPTION_PROP );
	}
	/**
	 * Returns the localized description for the module. If the localized
	 * description for the description resource key is found, it will be
	 * returned. Otherwise, the static description will be returned.
	 * 
	 * @return the localized description for the module