[ios] Fixed bug with distance in pp after bookmark editing.

iphone/Maps/Bookmarks/SelectSetVC.mm

@@ -116,6 +116,7 @@
 
   BookmarkCategory const * category = GetFramework().GetBookmarkManager().GetBmCategory(bac.first);
   entity.bookmarkCategory = @(category->GetName().c_str());
+  [self.manager changeBookmarkCategory:bac];
 }
 
 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

iphone/Maps/Classes/MWMBasePlacePageView.mm

@@ -69,8 +69,6 @@ static NSString * const kPlacePageBookmarkCellIdentifier = @"PlacePageBookmarkCe
   self.directionArrow.hidden = isMyPosition || !isHeadingAvaible;
   self.directionButton.hidden = isMyPosition || !isHeadingAvaible;
 
-  self.distanceLabel.text = @"";
-
   [self.featureTable reloadData];
   [self layoutSubviews];
 }

iphone/Maps/Classes/MWMPlacePageViewManager.h

@@ -1,6 +1,4 @@
-#import <Foundation/Foundation.h>
-
-#include "map/user_mark.hpp"
+#include "Framework.h"
 
 @class MWMPlacePageEntity, MWMPlacePageNavigationBar;
 @protocol MWMPlacePageViewManagerProtocol;
@@ -29,6 +27,7 @@
 - (void)viewWillTransitionToSize:(CGSize)size
        withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator;
 - (void)reloadBookmark;
+- (void)changeBookmarkCategory:(BookmarkAndCategory)bac;
 - (void)dragPlacePage:(CGRect)frame;
 - (void)showDirectionViewWithTitle:(NSString *)title type:(NSString *)type;
 - (void)hideDirectionView;

iphone/Maps/Classes/MWMPlacePageViewManager.mm

@@ -15,7 +15,8 @@
 #import "MWMPlacePageViewManager.h"
 #import "MWMPlacePageViewManagerDelegate.h"
 
-#include "Framework.h"
+#include "geometry/distance_on_sphere.hpp"
+#include "platform/measurement_utils.hpp"
 
 extern NSString * const kBookmarksChangedNotification;
 
@@ -213,6 +214,13 @@ typedef NS_ENUM(NSUInteger, MWMPlacePageManagerState)
   [self.delegate apiBack];
 }
 
+- (void)changeBookmarkCategory:(BookmarkAndCategory)bac;
+{
+  BookmarkCategory const * category = GetFramework().GetBmCategory(bac.first);
+  Bookmark const * bookmark = category->GetBookmark(bac.second);
+  m_userMark.reset(new UserMarkCopy(bookmark, false));
+}
+
 - (void)addBookmark
 {
   Framework & f = GetFramework();
@@ -259,6 +267,7 @@ typedef NS_ENUM(NSUInteger, MWMPlacePageManagerState)
 {
   [self.entity synchronize];
   [self.placePage reloadBookmark];
+  [self updateDistance];
 }
 
 - (void)dragPlacePage:(CGRect)frame
@@ -284,14 +293,11 @@ typedef NS_ENUM(NSUInteger, MWMPlacePageManagerState)
   CLLocation * location = [MapsAppDelegate theApp].m_locationManager.lastLocation;
   if (!location || !m_userMark)
     return @"";
-
-  double azimut = -1;
-  double north = -1;
-  [[MapsAppDelegate theApp].m_locationManager getNorthRad:north];
   string distance;
   CLLocationCoordinate2D const coord = location.coordinate;
-  GetFramework().GetDistanceAndAzimut(m_userMark->GetUserMark()->GetOrg(), coord.latitude, coord.longitude, north,
-                                      distance, azimut);
+  ms::LatLon const target = MercatorBounds::ToLatLon(m_userMark->GetUserMark()->GetOrg());
+  MeasurementUtils::FormatDistance(ms::DistanceOnEarth(coord.latitude, coord.longitude,
+                                                       target.lat, target.lon), distance);
   return @(distance.c_str());
 }