[GRASS] initial editing test

Author: blazek

src/providers/grass/qgsgrass.cpp

@@ -2124,6 +2124,35 @@ bool QgsGrass::deleteObjectDialog( const QgsGrassObject & object )
                                 QMessageBox::Yes | QMessageBox::No ) == QMessageBox::Yes;
 }
 
+void QgsGrass::createVectorMap( const QgsGrassObject & object, QString &error )
+{
+  QgsDebugMsg( "entered" );
+
+  QgsGrass::setMapset( object );
+
+  struct Map_info *Map = 0;
+  QgsGrass::lock();
+  G_TRY
+  {
+    Map = vectNewMapStruct();
+    Vect_open_new( Map, object.name().toUtf8().data(), 0 );
+
+#if ( GRASS_VERSION_MAJOR == 6 && GRASS_VERSION_MINOR >= 4 ) || GRASS_VERSION_MAJOR > 6
+    Vect_build( Map );
+#else
+    Vect_build( Map, stderr );
+#endif
+    Vect_set_release_support( Map );
+    Vect_close( Map );
+  }
+  G_CATCH( QgsGrass::Exception &e )
+  {
+    error = tr( "Cannot create new vector: %1" ).arg( e.what() );
+  }
+  QgsGrass::vectDestroyMapStruct( Map );
+  QgsGrass::unlock();
+}
+
 void QgsGrass::createTable( dbDriver *driver, const QString tableName, const QgsFields &fields )
 {
   if ( !driver ) // should not happen

src/providers/grass/qgsgrass.h

@@ -459,6 +459,11 @@ class GRASS_LIB_EXPORT QgsGrass : public QObject
      */
     static bool deleteObjectDialog( const QgsGrassObject & object );
 
+    /** Create new vector map
+     * @param object GRASS object specifying location/mapset/map
+     * @param error */
+    static void createVectorMap( const QgsGrassObject & object, QString &error );
+
     /** Create new table. Throws  QgsGrass::Exception */
     static void createTable( dbDriver *driver, const QString tableName, const QgsFields &fields );
 

src/providers/grass/qgsgrassprovider.cpp

@@ -418,7 +418,14 @@ const QgsFields & QgsGrassProvider::fields() const
   else
   {
     // Original fields must be returned during editing because edit buffer updates fields by indices
-    return mLayer->fields();
+    if ( mEditBuffer )
+    {
+      return mLayer->fields();
+    }
+    else
+    {
+      return mLayer->tableFields();
+    }
   }
 }
 
@@ -1454,6 +1461,8 @@ void QgsGrassProvider::onFeatureAdded( QgsFeatureId fid )
 
     setAddedFeaturesSymbol();
   }
+  QgsDebugMsg( QString( "mCidxFieldIndex = %1 cidxFieldNumCats() = %2" )
+               .arg( mCidxFieldIndex ).arg( mLayer->cidxFieldNumCats() ) );
 }
 
 void QgsGrassProvider::onFeatureDeleted( QgsFeatureId fid )

src/providers/grass/qgsgrassprovidermodule.cpp

@@ -211,31 +211,18 @@ QString QgsGrassItemActions::newVectorMap()
   QString name = dialog.name();
   QgsDebugMsg( "name = " + name );
 
-  QgsGrass::setMapset( mGrassObject );
+  QgsGrassObject mapObject = mGrassObject;
+  mapObject.setName( name );
+  mapObject.setType( QgsGrassObject::Vector );
 
-  struct Map_info *Map = 0;
-  QgsGrass::lock();
-  G_TRY
-  {
-    Map = QgsGrass::vectNewMapStruct();
-    Vect_open_new( Map, dialog.name().toUtf8().data(), 0 );
-
-#if ( GRASS_VERSION_MAJOR == 6 && GRASS_VERSION_MINOR >= 4 ) || GRASS_VERSION_MAJOR > 6
-    Vect_build( Map );
-#else
-    Vect_build( Map, stderr );
-#endif
-    Vect_set_release_support( Map );
-    Vect_close( Map );
-    QgsGrass::vectDestroyMapStruct( Map );
-  }
-  G_CATCH( QgsGrass::Exception &e )
+  QString error;
+
+  QgsGrass::createVectorMap( mapObject, error );
+  if ( !error.isEmpty() )
   {
-    QgsGrass::warning( tr( "Cannot create new vector: %1" ).arg( e.what() ) );
+    QgsGrass::warning( error );
     name = "";
-    QgsGrass::vectDestroyMapStruct( Map );
   }
-  QgsGrass::unlock();
   return name;
 }
 

src/providers/grass/qgsgrassvectormap.cpp

@@ -702,6 +702,8 @@ void QgsGrassVectorMap::closeAllIterators()
 }
 
 //------------------------------------ QgsGrassVectorMapStore ------------------------------------
+QgsGrassVectorMapStore * QgsGrassVectorMapStore::mStore = 0;
+
 QgsGrassVectorMapStore::QgsGrassVectorMapStore()
 {
 }
@@ -714,6 +716,10 @@ QgsGrassVectorMapStore::~QgsGrassVectorMapStore()
 QgsGrassVectorMapStore *QgsGrassVectorMapStore::instance()
 {
   static QgsGrassVectorMapStore instance;
+  if ( mStore )
+  {
+    return mStore;
+  }
   return &instance;
 }
 

src/providers/grass/qgsgrassvectormap.h

@@ -211,6 +211,10 @@ class QgsGrassVectorMapStore
 
     static QgsGrassVectorMapStore *instance();
 
+    // Default instance may be overriden explicitely to avoid (temporarily) to share maps by providers
+    // This is only used for editing test to have an independent map
+    static void setStore( QgsGrassVectorMapStore * store ) { mStore = store; }
+
     /** Open map.
      *  @param grassObject
      *  @return map, the map may be invalide  */
@@ -222,6 +226,8 @@ class QgsGrassVectorMapStore
 
     // Lock open/close map
     QMutex mMutex;
+
+    static QgsGrassVectorMapStore * mStore;
 };
 
 #endif // QGSGRASSVECTORMAP_H

src/providers/grass/qgsgrassvectormaplayer.cpp

@@ -40,7 +40,6 @@ QgsGrassVectorMapLayer::QgsGrassVectorMapLayer( QgsGrassVectorMap *map, int fiel
     : mField( field )
     , mValid( false )
     , mMap( map )
-    , mCidxFieldIndex( -1 )
     , mFieldInfo( 0 )
     , mDriver( 0 )
     , mHasTable( false )
@@ -52,7 +51,6 @@ QgsGrassVectorMapLayer::QgsGrassVectorMapLayer( QgsGrassVectorMap *map, int fiel
 void QgsGrassVectorMapLayer::clear()
 {
   QgsDebugMsg( "entered" );
-  mCidxFieldIndex = -1;
   mTableFields.clear();
   mFields.clear();
   mAttributeFields.clear();
@@ -64,13 +62,22 @@ void QgsGrassVectorMapLayer::clear()
   mFieldInfo = 0;
 }
 
+int QgsGrassVectorMapLayer::cidxFieldIndex()
+{
+  if ( !mMap->map() )
+  {
+    return -1;
+  }
+  return Vect_cidx_get_field_index( mMap->map(), mField );
+}
+
 int QgsGrassVectorMapLayer::cidxFieldNumCats()
 {
-  if ( !mMap->map() || mCidxFieldIndex < 0 )
+  if ( !mMap->map() || cidxFieldIndex() < 0 )
   {
     return 0;
   }
-  return Vect_cidx_get_num_cats_by_index( mMap->map(), mCidxFieldIndex );
+  return Vect_cidx_get_num_cats_by_index( mMap->map(), cidxFieldIndex() );
 }
 
 void QgsGrassVectorMapLayer::load()
@@ -89,8 +96,7 @@ void QgsGrassVectorMapLayer::load()
     return;
   }
 
-  mCidxFieldIndex = Vect_cidx_get_field_index( mMap->map(), mField );
-  QgsDebugMsg( QString( "mCidxFieldIndex = %1 cidxFieldNumCats() = %2" ).arg( cidxFieldNumCats() ) );
+  QgsDebugMsg( QString( "cidxFieldIndex() = %1 cidxFieldNumCats() = %2" ).arg( cidxFieldIndex() ).arg( cidxFieldNumCats() ) );
 
   mFieldInfo = Vect_get_field( mMap->map(), mField ); // should work also with field = 0
 
@@ -289,18 +295,18 @@ void QgsGrassVectorMapLayer::load()
     mTableFields.append( QgsField( "cat", QVariant::Int, "integer" ) );
     QPair<double, double> minMax( 0, 0 );
 
-    if ( mCidxFieldIndex >= 0 )
+    if ( cidxFieldIndex() >= 0 )
     {
       int ncats, cat, type, id;
 
-      ncats = Vect_cidx_get_num_cats_by_index( mMap->map(), mCidxFieldIndex );
+      ncats = Vect_cidx_get_num_cats_by_index( mMap->map(), cidxFieldIndex() );
 
       if ( ncats > 0 )
       {
-        Vect_cidx_get_cat_by_index( mMap->map(), mCidxFieldIndex, 0, &cat, &type, &id );
+        Vect_cidx_get_cat_by_index( mMap->map(), cidxFieldIndex(), 0, &cat, &type, &id );
         minMax.first = cat;
 
-        Vect_cidx_get_cat_by_index( mMap->map(), mCidxFieldIndex, ncats - 1, &cat, &type, &id );
+        Vect_cidx_get_cat_by_index( mMap->map(), cidxFieldIndex(), ncats - 1, &cat, &type, &id );
         minMax.second = cat;
       }
     }

src/providers/grass/qgsgrassvectormaplayer.h

@@ -51,6 +51,9 @@ class GRASS_LIB_EXPORT QgsGrassVectorMapLayer : public QObject
     bool isValid() const { return mValid; }
     QgsGrassVectorMap *map() { return mMap; }
 
+    /** Category index index */
+    int cidxFieldIndex();
+
     /** Current number of cats in cat index, changing during editing */
     int cidxFieldNumCats();
 
@@ -59,6 +62,10 @@ class GRASS_LIB_EXPORT QgsGrassVectorMapLayer : public QObject
      * Original fields must be returned by provider fields() */
     QgsFields & fields() { return mFields; }
 
+    /** Current fields, as modified during editing, it contains cat field, without topo field.
+     *  This fields are used by layers which are not editied to reflect current state of editing. */
+    QgsFields & tableFields() { return mTableFields; }
+
     static QStringList fieldNames( QgsFields & fields );
 
     QMap<int, QList<QVariant> > & attributes() { return mAttributes; }
@@ -159,7 +166,6 @@ class GRASS_LIB_EXPORT QgsGrassVectorMapLayer : public QObject
     int mField;
     bool mValid;
     QgsGrassVectorMap *mMap;
-    int mCidxFieldIndex;
     struct field_info *mFieldInfo;
     dbDriver *mDriver;
 

tests/src/providers/grass/CMakeLists.txt

@@ -1,6 +1,12 @@
 ADD_DEFINITIONS("-DGRASS_EXPORT=${DLLIMPORT} -DGRASS_LIB_EXPORT=${DLLIMPORT}")
 
-INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/src/providers/grass)
+INCLUDE_DIRECTORIES(
+  ${CMAKE_SOURCE_DIR}/src/providers/grass
+  ${GDAL_INCLUDE_DIR}
+  ${PROJ_INCLUDE_DIR}
+  ${GEOS_INCLUDE_DIR}
+  ${POSTGRES_INCLUDE_DIR}
+)
 
 
 MACRO (ADD_QGIS_GRASS_TEST grass_build_version testname testsrc)