group CRS project property updates in the same place

Author: leyan

src/app/qgisapp.cpp

@@ -8086,11 +8086,6 @@ void QgisApp::updateCRSStatusBar()
 
 void QgisApp::destinationSrsChanged()
 {
-  // save this information to project
-  long srsid = mMapCanvas->mapRenderer()->destinationCrs().srsid();
-  QString srs = mMapCanvas->mapRenderer()->destinationCrs().authid();
-  QgsProject::instance()->writeEntry( "SpatialRefSys", "/ProjectCRSID", ( int )srsid );
-  QgsProject::instance()->writeEntry( "SpatialRefSys", "/ProjectCrs", srs );
   updateCRSStatusBar();
 }
 

src/app/qgsprojectproperties.cpp

@@ -589,6 +589,8 @@ void QgsProjectProperties::apply()
     // write the currently selected projections _proj string_ to project settings
     QgsDebugMsg( QString( "SpatialRefSys/ProjectCRSProj4String: %1" ).arg( projectionSelector->selectedProj4String() ) );
     QgsProject::instance()->writeEntry( "SpatialRefSys", "/ProjectCRSProj4String", projectionSelector->selectedProj4String() );
+    QgsProject::instance()->writeEntry( "SpatialRefSys", "/ProjectCRSID", (int) projectionSelector->selectedCrsId() );
+    QgsProject::instance()->writeEntry( "SpatialRefSys", "/ProjectCrs", projectionSelector->selectedAuthId() );
 
     // Set the map units to the projected coordinates if we are projecting
     if ( isProjected() )