coverity#706523 Uncaught exception

Change-Id: I20515693bed76163433421f7fd05b319ed472a54

extensions/source/propctrlr/formgeometryhandler.cxx

@@ -521,7 +521,7 @@ namespace pcr
             throw NullPointerException();
 
         ::osl::MutexGuard aGuard( m_aMutex );
-        PropertyId nActuatingPropId( impl_getPropertyId_throw( _rActuatingPropertyName ) );
+        PropertyId nActuatingPropId( impl_getPropertyId_nothrow( _rActuatingPropertyName ) );
 
         switch ( nActuatingPropId )
         {
@@ -532,6 +532,9 @@ namespace pcr
             _rxInspectorUI->enablePropertyUI( PROPERTY_POSITIONX, eAnchorType != TextContentAnchorType_AS_CHARACTER );
         }
         break;
+        case -1:
+            throw RuntimeException();
+        break;
         default:
             OSL_FAIL( "FormGeometryHandler::actuatingPropertyChanged: not registered for this property!" );
             break;

extensions/source/propctrlr/propertyhandler.cxx

@@ -320,6 +320,11 @@ namespace pcr
         return nPropId;
     }
 
+    PropertyId PropertyHandler::impl_getPropertyId_nothrow( const OUString& _rPropertyName ) const
+    {
+        return m_pInfoService->getPropertyId( _rPropertyName );
+    }
+
     void PropertyHandler::impl_setContextDocumentModified_nothrow() const
     {
         Reference< XModifiable > xModifiable( impl_getContextDocument_nothrow(), UNO_QUERY );

extensions/source/propctrlr/propertyhandler.hxx

@@ -146,6 +146,11 @@ namespace pcr
         */
         PropertyId impl_getPropertyId_throw( const OUString& _rPropertyName ) const;
 
+        /** retrieves the property id for a given property name
+            @returns -1
+                if the property name is not known to our ->m_pInfoService
+        */
+        PropertyId impl_getPropertyId_nothrow( const OUString& _rPropertyName ) const;
 
         // helper for implementing doDescribeSupportedProperties
         /** adds a description for the given string property to the given property vector