Centralize invalidateTopologyChecks handling

Author: m-kuhn

src/app/qgsgeometryvalidationservice.cpp

@@ -63,34 +63,37 @@ void QgsGeometryValidationService::onFeatureAdded( QgsVectorLayer *layer, QgsFea
 {
   if ( !mLayerChecks[layer].topologyChecks.empty() )
   {
-    // TODO: Cancel topology checks
-    layer->setAllowCommit( false );
+    invalidateTopologyChecks( layer );
   }
   processFeature( layer, fid );
 }
 
 void QgsGeometryValidationService::onGeometryChanged( QgsVectorLayer *layer, QgsFeatureId fid, const QgsGeometry &geometry )
 {
+  Q_UNUSED( geometry )
+  // It would be nice to use the geometry here for the tests.
+  // But:
+  // 1. other codepaths to the checks also have no geometry (feature added / feature deleted)
+  // 2. and looking it up from the edit buffer (in memory) is really fast.
+  // so in short: it's still a good idea, but not as important as on first thought.
+
   if ( !mLayerChecks[layer].topologyChecks.empty() )
   {
-    // TODO: Cancel topology checks
-    layer->setAllowCommit( false );
+    invalidateTopologyChecks( layer );
   }
-  Q_UNUSED( geometry )
 
-  cancelChecks( layer, fid );
   processFeature( layer, fid );
 }
 
 void QgsGeometryValidationService::onFeatureDeleted( QgsVectorLayer *layer, QgsFeatureId fid )
 {
   if ( !mLayerChecks[layer].topologyChecks.empty() )
   {
-    // TODO: Cancel topology checks
-    layer->setAllowCommit( false );
+    invalidateTopologyChecks( layer );
   }
 
-  cancelChecks( layer, fid );
+  // There should be no geometry errors on an inexistent feature, right?
+  emit geometryCheckCompleted( layer, fid, QList<std::shared_ptr<QgsSingleGeometryCheckError>>() );
 }
 
 void QgsGeometryValidationService::onBeforeCommitChanges( QgsVectorLayer *layer )
@@ -220,9 +223,10 @@ void QgsGeometryValidationService::cancelTopologyCheck( QgsVectorLayer *layer )
   }
 }
 
-void QgsGeometryValidationService::cancelChecks( QgsVectorLayer *layer, QgsFeatureId fid )
+void QgsGeometryValidationService::invalidateTopologyChecks( QgsVectorLayer *layer )
 {
-
+  cancelTopologyCheck( layer );
+  layer->setAllowCommit( false );
 }
 
 void QgsGeometryValidationService::processFeature( QgsVectorLayer *layer, QgsFeatureId fid )

src/app/qgsgeometryvalidationservice.h

@@ -84,7 +84,7 @@ class QgsGeometryValidationService : public QObject
 
     void cancelTopologyCheck( QgsVectorLayer *layer );
 
-    void cancelChecks( QgsVectorLayer *layer, QgsFeatureId fid );
+    void invalidateTopologyChecks( QgsVectorLayer *layer );
 
     void processFeature( QgsVectorLayer *layer, QgsFeatureId fid );