custom CRS save API change

Author: leyan

src/core/qgscoordinatereferencesystem.cpp

@@ -641,46 +641,6 @@ bool QgsCoordinateReferenceSystem::createFromProj4( const QString theProj4String
   {
     QgsDebugMsg( "Projection is not found in databases." );
     setProj4String( myProj4String );
-
-    // Is the SRS is valid now, we know it's a decent +proj string that can be entered into the srs.db
-    if ( mIsValidFlag )
-    {
-      // but the proj.4 parsed string might already be in our database
-      myRecord = getRecord( "select * from tbl_srs where parameters=" + quotedValue( toProj4() ) + " order by deprecated" );
-      if ( myRecord.empty() )
-      {
-        // It's not, so try to add it
-        QgsDebugMsg( "Projection appears to be valid. Save to database!" );
-        mIsValidFlag = saveAsUserCRS();
-
-        if ( mIsValidFlag )
-        {
-          // but validate that it's there afterwards
-          myRecord = getRecord( "select * from tbl_srs where parameters=" + quotedValue( toProj4() ) + " order by deprecated" );
-        }
-      }
-
-      if ( !myRecord.empty() )
-      {
-        // take the srid from the record
-        mySrsId = myRecord["srs_id"].toLong();
-        QgsDebugMsg( "proj4string match search for srsid returned srsid: " + QString::number( mySrsId ) );
-        if ( mySrsId > 0 )
-        {
-          createFromSrsId( mySrsId );
-        }
-        else
-        {
-          QgsDebugMsg( QString( "invalid srid %1 found" ).arg( mySrsId ) );
-          mIsValidFlag = false;
-        }
-      }
-      else
-      {
-        QgsDebugMsg( "Couldn't find newly added proj string?" );
-        mIsValidFlag = false;
-      }
-    }
   }
 
   return mIsValidFlag;
@@ -1426,7 +1386,7 @@ QString QgsCoordinateReferenceSystem::validationHint()
 /// Copied from QgsCustomProjectionDialog ///
 /// Please refactor into SQL handler !!!  ///
 
-bool QgsCoordinateReferenceSystem::saveAsUserCRS()
+bool QgsCoordinateReferenceSystem::saveAsUserCRS(QString name)
 {
   if ( ! mIsValidFlag )
   {
@@ -1435,9 +1395,6 @@ bool QgsCoordinateReferenceSystem::saveAsUserCRS()
   }
 
   QString mySql;
-  QString myName = QString( " * %1 (%2)" )
-                   .arg( QObject::tr( "Generated CRS", "A CRS automatically generated from layer info get this prefix for description" ) )
-                   .arg( toProj4() );
 
   //if this is the first record we need to ensure that its srs_id is 10000. For
   //any rec after that sqlite3 will take care of the autonumering
@@ -1447,7 +1404,7 @@ bool QgsCoordinateReferenceSystem::saveAsUserCRS()
   {
     mySql = "insert into tbl_srs (srs_id,description,projection_acronym,ellipsoid_acronym,parameters,is_geo) values ("
             + QString::number( USER_CRS_START_ID )
-            + "," + quotedValue( myName )
+            + "," + quotedValue( name )
             + "," + quotedValue( projectionAcronym() )
             + "," + quotedValue( ellipsoidAcronym() )
             + "," + quotedValue( toProj4() )
@@ -1456,7 +1413,7 @@ bool QgsCoordinateReferenceSystem::saveAsUserCRS()
   else
   {
     mySql = "insert into tbl_srs (description,projection_acronym,ellipsoid_acronym,parameters,is_geo) values ("
-            + quotedValue( myName )
+            + quotedValue( name )
             + "," + quotedValue( projectionAcronym() )
             + "," + quotedValue( ellipsoidAcronym() )
             + "," + quotedValue( toProj4() )

src/core/qgscoordinatereferencesystem.h

@@ -151,9 +151,6 @@ class CORE_EXPORT QgsCoordinateReferenceSystem
      *   check for a match in entities that have the same ellps and proj entries so
      *   that it doesn't munch yer cpu so much.
      *
-     * @note If the srs was not matched, we will create a new entry on the users tbl_srs
-     *    for this srs.
-     *
      * @param theProjString A proj4 format string
      * @return bool TRUE if success else false
      */
@@ -350,6 +347,12 @@ class CORE_EXPORT QgsCoordinateReferenceSystem
      * @note added in 1.8
      */
     static int syncDb();
+    
+    
+    /*! Save the proj4-string as a custom CRS
+     * @returns bool true if success else false
+     */
+    bool saveAsUserCRS( QString name );
 
     // Mutators -----------------------------------
     // We don't want to expose these to the public api since they wont create
@@ -447,9 +450,6 @@ class CORE_EXPORT QgsCoordinateReferenceSystem
     //! Work out the projection units and set the appropriate local variable
     void setMapUnits();
 
-    //! Save the proj4-string as a custom CRS
-    bool saveAsUserCRS();
-
     //! Helper for getting number of user CRS already in db
     long getRecordCount();