[FEATURE] [DBManager] Add a GeoPackage dedicated plugin

python/plugins/db_manager/db_model.py

@@ -300,6 +300,7 @@ def __init__(self, parent=None):
             self.importVector.connect(self.vectorImport)
 
         self.hasSpatialiteSupport = "spatialite" in supportedDbTypes()
+        self.hasGPKGSupport = "gpkg" in supportedDbTypes()
 
         self.rootItem = TreeItem(None, None)
         for dbtype in supportedDbTypes():
@@ -401,7 +402,7 @@ def flags(self, index):
                     flags |= Qt.ItemIsDropEnabled
 
             # SL/Geopackage db files can be dropped everywhere in the tree
-            if self.hasSpatialiteSupport:
+            if self.hasSpatialiteSupport or self.hasGPKGSupport:
                 flags |= Qt.ItemIsDropEnabled
 
         return flags

python/plugins/db_manager/db_plugins/CMakeLists.txt

@@ -1,5 +1,6 @@
 ADD_SUBDIRECTORY(postgis)
 ADD_SUBDIRECTORY(spatialite)
+ADD_SUBDIRECTORY(gpkg)
 IF(WITH_ORACLE)
   ADD_SUBDIRECTORY(oracle)
 ENDIF(WITH_ORACLE)

python/plugins/db_manager/db_plugins/__init__.py

@@ -25,7 +25,8 @@
 class NotSupportedDbType(Exception):
 
     def __init__(self, dbtype):
-        self.msg = self.tr("%s is not supported yet") % dbtype
+        from qgis.PyQt.QtWidgets import QApplication
+        self.msg = QApplication.translate("DBManagerPlugin", "%s is not supported yet" % dbtype)
         Exception(self, self.msg)
 
     def __str__(self):

python/plugins/db_manager/db_plugins/gpkg/CMakeLists.txt

@@ -0,0 +1,9 @@
+
+FILE(GLOB PY_FILES *.py)
+FILE(GLOB ICON_FILES icons/*.png)
+
+PYQT_ADD_RESOURCES(PYRC_FILES resources.qrc)
+
+PLUGIN_INSTALL(db_manager db_plugins/gpkg ${PY_FILES} ${PYRC_FILES})
+PLUGIN_INSTALL(db_manager db_plugins/gpkg/icons ${ICON_FILES})
+