import vector layer: allow to create single-part geometries from shap…

…efile (follow 08e844f)

python/plugins/db_manager/dlg_import_vector.py

@@ -88,10 +88,11 @@ def checkSupports(self):
 		""" update options available for the current input layer """
 		allowSpatial = self.db.connector.hasSpatialSupport()
 		hasGeomType = self.inLayer and self.inLayer.hasGeometryType()
+		isShapefile = self.inLayer and self.inLayer.providerType() == "ogr" and self.inLayer.storageType() == "ESRI Shapefile"
 		self.chkGeomColumn.setEnabled(allowSpatial and hasGeomType)
 		self.chkSourceSrid.setEnabled(allowSpatial and hasGeomType)
 		self.chkTargetSrid.setEnabled(allowSpatial and hasGeomType)
-		#self.chkSinglePart.setEnabled(allowSpatial and hasGeomType)
+		self.chkSinglePart.setEnabled(allowSpatial and hasGeomType and isShapefile)
 		self.chkSpatialIndex.setEnabled(allowSpatial and hasGeomType)
 
 
@@ -269,6 +270,8 @@ def accept(self):
 				options['overwrite'] = True
 			elif self.radAppend.isChecked():
 				options['append'] = True
+			if self.chkSinglePart.isEnabled() and self.chkSinglePart.isChecked():
+				options['forceSinglePartGeometryType'] = True
 
 			outCrs = None
 			if self.chkTargetSrid.isEnabled() and self.chkTargetSrid.isChecked():

python/plugins/db_manager/ui/DlgImportVector.ui

@@ -138,11 +138,6 @@
      <zorder>label_2</zorder>
      <zorder>cboSchema</zorder>
      <zorder>label_3</zorder>
-     <zorder>widget_3</zorder>
-     <zorder>cboTable</zorder>
-     <zorder>label_2</zorder>
-     <zorder>cboSchema</zorder>
-     <zorder>label_3</zorder>
     </widget>
    </item>
    <item>
@@ -302,9 +297,6 @@
       </item>
       <item row="4" column="0" colspan="2">
        <widget class="QCheckBox" name="chkSinglePart">
-        <property name="enabled">
-         <bool>false</bool>
-        </property>
         <property name="text">
          <string>Create single-part geometries instead of multi-part</string>
         </property>
@@ -334,7 +326,6 @@
   <zorder>groupBox</zorder>
   <zorder>groupBox_2</zorder>
   <zorder>buttonBox</zorder>
-  <zorder>widget</zorder>
   <zorder>groupBox_3</zorder>
   <zorder>wdgInput</zorder>
  </widget>

src/core/qgsvectorlayerimport.cpp

@@ -204,6 +204,15 @@ QgsVectorLayerImport::importLayer( QgsVectorLayer* layer,
     outputCRS = &layer->crs();
   }
 
+
+  bool overwrite = false;
+  bool forceSinglePartGeom = false;
+  if ( options )
+  {
+    overwrite = options->take( "overwrite" ).toBool();
+    forceSinglePartGeom = options->take( "forceSinglePartGeometryType" ).toBool();
+  }
+
   QgsFieldMap fields = skipAttributeCreation ? QgsFieldMap() : layer->pendingFields();
   QGis::WkbType wkbType = layer->wkbType();
 
@@ -216,38 +225,35 @@ QgsVectorLayerImport::importLayer( QgsVectorLayer* layer,
       fldIt.value().setName( fldIt.value().name().toLower() );
     }
 
-    // convert wkbtype to multipart (see #5547)
-    switch ( wkbType )
+    if ( !forceSinglePartGeom )
     {
-      case QGis::WKBPoint:
-        wkbType = QGis::WKBMultiPoint;
-        break;
-      case QGis::WKBLineString:
-        wkbType = QGis::WKBMultiLineString;
-        break;
-      case QGis::WKBPolygon:
-        wkbType = QGis::WKBMultiPolygon;
-        break;
-      case QGis::WKBPoint25D:
-        wkbType = QGis::WKBMultiPoint25D;
-        break;
-      case QGis::WKBLineString25D:
-        wkbType = QGis::WKBMultiLineString25D;
-        break;
-      case QGis::WKBPolygon25D:
-        wkbType = QGis::WKBMultiPolygon25D;
-        break;
-      default:
-        break;
+      // convert wkbtype to multipart (see #5547)
+      switch ( wkbType )
+      {
+        case QGis::WKBPoint:
+          wkbType = QGis::WKBMultiPoint;
+          break;
+        case QGis::WKBLineString:
+          wkbType = QGis::WKBMultiLineString;
+          break;
+        case QGis::WKBPolygon:
+          wkbType = QGis::WKBMultiPolygon;
+          break;
+        case QGis::WKBPoint25D:
+          wkbType = QGis::WKBMultiPoint25D;
+          break;
+        case QGis::WKBLineString25D:
+          wkbType = QGis::WKBMultiLineString25D;
+          break;
+        case QGis::WKBPolygon25D:
+          wkbType = QGis::WKBMultiPolygon25D;
+          break;
+        default:
+          break;
+      }
     }
   }
 
-  bool overwrite = false;
-  if ( options )
-  {
-    overwrite = options->take( "overwrite" ).toBool();
-  }
-
   QgsVectorLayerImport * writer =
     new QgsVectorLayerImport( uri, providerKey, fields, wkbType, outputCRS, overwrite, options );