refresh field names after all layers loaded and encoding change (fix #…

…6840)
qgis · Mar 27, 2013 · ab55325 · ab55325
1 parent 3959f94
commit ab55325
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Showing 4 changed files with 8 additions and 6 deletions.
diff --git a/src/app/qgsvectorlayerproperties.cpp b/src/app/qgsvectorlayerproperties.cpp
@@ -451,7 +451,7 @@ void QgsVectorLayerProperties::apply()
   {
     if ( layer->dataProvider()->capabilities() & QgsVectorDataProvider::SetEncoding )
     {
-      layer->dataProvider()->setEncoding( cboProviderEncoding->currentText() );
+      layer->setProviderEncoding( cboProviderEncoding->currentText() );
     }
   }
 

diff --git a/src/core/qgsproject.cpp b/src/core/qgsproject.cpp
@@ -707,6 +707,7 @@ QPair< bool, QList<QDomNode> > QgsProject::_getMapLayers( QDomDocument const &do
   for ( ; vIt != vLayerList.end(); ++vIt )
   {
     vIt->first->createJoinCaches();
+    vIt->first->updateFields();
     //for old symbology, it is necessary to read the symbology again after having the complete field map
     if ( !vIt->first->isUsingRendererV2() )
     {

diff --git a/src/core/qgsvectorlayer.cpp b/src/core/qgsvectorlayer.cpp
@@ -1321,6 +1321,7 @@ void QgsVectorLayer::setProviderEncoding( const QString& encoding )
   if ( mDataProvider )
   {
     mDataProvider->setEncoding( encoding );
+    updateFields();
   }
 }
 
@@ -3816,7 +3817,7 @@ void QgsVectorLayer::updateFields()
     mEditBuffer->updateFields( mUpdatedFields );
 
   // joined fields
-  if ( mJoinBuffer->containsJoins() )
+  if ( mJoinBuffer && mJoinBuffer->containsJoins() )
     mJoinBuffer->updateFields( mUpdatedFields );
 }
 

diff --git a/src/core/qgsvectorlayer.h b/src/core/qgsvectorlayer.h
@@ -813,6 +813,10 @@ class CORE_EXPORT QgsVectorLayer : public QgsMapLayer
       @note public and static from version 1.4 */
     static void drawVertexMarker( double x, double y, QPainter& p, QgsVectorLayer::VertexMarkerType type, int vertexSize );
 
+    /** Assembles mUpdatedFields considering provider fields, joined fields and added fields
+     @note added in 1.7 */
+    void updateFields();
+
     /** Caches joined attributes if required (and not already done)
       @note added in 1.7 */
     void createJoinCaches();
@@ -955,10 +959,6 @@ class CORE_EXPORT QgsVectorLayer : public QgsMapLayer
     /** Stop version 2 renderer and selected renderer (if required) */
     void stopRendererV2( QgsRenderContext& rendererContext, QgsSingleSymbolRendererV2* selRenderer );
 
-    /** Assembles mUpdatedFields considering provider fields, joined fields and added fields
-     @note added in 1.7 */
-    void updateFields();
-
     /**Registers label and diagram layer
       @param rendererContext render context
       @param attributes attributes needed for labeling and diagrams will be added to the list