fix missing update

contrib/mobile/iOS/Onelab/Parameter.mm

@@ -147,37 +147,38 @@
   if(numbers.size() < 1) return;
   UIAlertController *alertController;
   UIAlertAction *destroyAction;
-
   alertController = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];
   std::vector<double> choices = numbers[0].getChoices();
-  for(int i=0;i<choices.size();i++)
+  for(unsigned int i = 0; i < choices.size(); i++)
     [alertController addAction:[UIAlertAction actionWithTitle:[NSString stringWithFormat:@"%s", numbers[0].getValueLabel(choices[i]).c_str()]
                                                         style:UIAlertActionStyleDefault
                                                       handler:^(UIAlertAction *action) {
           std::cout << numbers[0].getValueLabel(i).c_str() << std::endl;
           [self updateNumber:numbers[0] withValue:i];
-		  
           [button setTitle:[NSString stringWithFormat:@"%s", numbers[0].getValueLabel(i).c_str()] forState:UIControlStateNormal];
 	}]];
+
   destroyAction = [UIAlertAction actionWithTitle:@"Cancel"
                                            style:UIAlertActionStyleDestructive
                                          handler:^(UIAlertAction *action) {
       // do nothing
     }];
+
   [alertController addAction:destroyAction];
   [alertController setModalPresentationStyle:UIModalPresentationPopover];
 
-	UIPopoverPresentationController *popPresenter = [alertController
-													 popoverPresentationController];
+  UIPopoverPresentationController *popPresenter = [alertController popoverPresentationController];
   popPresenter.sourceView = button;
   popPresenter.sourceRect = button.bounds;
-	[[Utils traverseResponderChainForUIViewController:button] presentViewController:alertController animated:YES completion:nil]; // FIXME traverseResponderChainForUIViewController is a goo idea ??
+  // FIXME: is traverseResponderChainForUIViewController a good idea?
+  [[Utils traverseResponderChainForUIViewController:button] presentViewController:alertController animated:YES completion:nil];
 }
 
 -(void) updateNumber: (onelab::number)n withValue:(double)v
 {
   n.setValue(v);
   onelab::server::instance()->set(n);
+  [super editValue];
 }
 
 -(void)refresh