Allow editing when _any_ of the editing capabilities is supported by data provider

(instead of checking only AddFeatures)


git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@9708 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

python/core/qgsvectordataprovider.sip

@@ -28,6 +28,9 @@ class QgsVectorDataProvider : QgsDataProvider
         SequentialSelectGeometryAtId = 2048
       };
 
+      /** bitmask of all provider's editing capabilities */
+      static const int EditingCapabilities;
+
       /**
        * Constructor of the vector provider
        * @param uri  uniform resource locator (URI) for a dataset

src/app/legend/qgslegendlayerfile.cpp

@@ -383,8 +383,7 @@ void QgsLegendLayerFile::addToPopupMenu( QMenu& theMenu, QAction* toggleEditingA
 
     // editing
     int cap = vlayer->dataProvider()->capabilities();
-    if (( cap & QgsVectorDataProvider::AddFeatures )
-        || ( cap & QgsVectorDataProvider::DeleteFeatures ) )
+    if ( cap & QgsVectorDataProvider::EditingCapabilities )
     {
       if ( toggleEditingAction )
       {

src/app/qgisapp.cpp

@@ -3865,7 +3865,7 @@ void QgisApp::toggleEditing( QgsMapLayer *layer )
   if ( !vlayer->isEditable() )
   {
     vlayer->startEditing();
-    if ( !( vlayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddFeatures ) )
+    if ( !( vlayer->dataProvider()->capabilities() & QgsVectorDataProvider::EditingCapabilities ) )
     {
       QMessageBox::information( 0, tr( "Start editing failed" ), tr( "Provider cannot be opened for editing" ) );
     }
@@ -4840,15 +4840,22 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
     if ( dprovider )
     {
       //start editing/stop editing
-      if ( dprovider->capabilities() & QgsVectorDataProvider::AddFeatures )
+      if ( dprovider->capabilities() & QgsVectorDataProvider::EditingCapabilities )
       {
         mActionToggleEditing->setEnabled( true );
         mActionToggleEditing->setChecked( vlayer->isEditable() );
-        mActionPasteFeatures->setEnabled( vlayer->isEditable() && !clipboard()->empty() );
       }
       else
       {
         mActionToggleEditing->setEnabled( false );
+      }
+      
+      if ( dprovider->capabilities() & QgsVectorDataProvider::AddFeatures )
+      {
+        mActionPasteFeatures->setEnabled( vlayer->isEditable() && !clipboard()->empty() );
+      }
+      else
+      {
         mActionPasteFeatures->setEnabled( false );
       }
 
@@ -4863,19 +4870,26 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
         mActionDeleteSelected->setEnabled( false );
         mActionCutFeatures->setEnabled( false );
       }
-
+      
+      // moving enabled if geometry changes are supported
+      if ( vlayer->isEditable() && dprovider->capabilities() & QgsVectorDataProvider::ChangeGeometries )
+      {
+        mActionMoveFeature->setEnabled( true );
+      }
+      else
+      {
+        mActionMoveFeature->setEnabled( false );
+      }
 
       if ( vlayer->geometryType() == QGis::Point )
       {
         if ( vlayer->isEditable() && dprovider->capabilities() & QgsVectorDataProvider::AddFeatures )
         {
           mActionCapturePoint->setEnabled( true );
-          mActionMoveFeature->setEnabled( true );
         }
         else
         {
           mActionCapturePoint->setEnabled( false );
-          mActionMoveFeature->setEnabled( false );
         }
         mActionCaptureLine->setEnabled( false );
         mActionCapturePolygon->setEnabled( false );
@@ -4892,7 +4906,6 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
           {
             mActionMoveVertex->setEnabled( true );
           }
-          mActionMoveFeature->setEnabled( true );
         }
         return;
       }
@@ -4902,13 +4915,11 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
         {
           mActionCaptureLine->setEnabled( true );
           mActionSplitFeatures->setEnabled( true );
-          mActionMoveFeature->setEnabled( true );
         }
         else
         {
           mActionCaptureLine->setEnabled( false );
           mActionSplitFeatures->setEnabled( false );
-          mActionMoveFeature->setEnabled( false );
         }
         mActionCapturePoint->setEnabled( false );
         mActionCapturePolygon->setEnabled( false );
@@ -4923,15 +4934,13 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
           mActionAddRing->setEnabled( true );
           mActionAddIsland->setEnabled( true );
           mActionSplitFeatures->setEnabled( true );
-          mActionMoveFeature->setEnabled( true );
         }
         else
         {
           mActionCapturePolygon->setEnabled( false );
           mActionAddRing->setEnabled( false );
           mActionAddIsland->setEnabled( false );
           mActionSplitFeatures->setEnabled( false );
-          mActionMoveFeature->setEnabled( false );
         }
         mActionCapturePoint->setEnabled( false );
         mActionCaptureLine->setEnabled( false );
@@ -4943,7 +4952,6 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
         mActionAddVertex->setEnabled( true );
         mActionMoveVertex->setEnabled( true );
         mActionDeleteVertex->setEnabled( true );
-        mActionMoveFeature->setEnabled( true );
         if ( vlayer->geometryType() == QGis::Polygon )
         {
           mActionAddRing->setEnabled( true );
@@ -4957,7 +4965,6 @@ void QgisApp::activateDeactivateLayerRelatedActions( QgsMapLayer* layer )
         mActionAddVertex->setEnabled( false );
         mActionMoveVertex->setEnabled( false );
         mActionDeleteVertex->setEnabled( false );
-        mActionMoveFeature->setEnabled( false );
       }
       return;
     }

src/core/qgsvectordataprovider.h

@@ -64,6 +64,10 @@ class CORE_EXPORT QgsVectorDataProvider : public QgsDataProvider
       RandomSelectGeometryAtId =     1 << 10,
       SequentialSelectGeometryAtId = 1 << 11
     };
+    
+    /** bitmask of all provider's editing capabilities */
+    const static int EditingCapabilities = AddFeatures | DeleteFeatures |
+        ChangeAttributeValues | ChangeGeometries | AddAttributes | DeleteAttributes;
 
     /**
      * Constructor of the vector provider

src/core/qgsvectorlayer.cpp

@@ -1977,7 +1977,8 @@ bool QgsVectorLayer::startEditing()
     return false;
   }
 
-  if ( !( mDataProvider->capabilities() & QgsVectorDataProvider::AddFeatures ) )
+  // allow editing if provider supports any of the capabilities
+  if ( !( mDataProvider->capabilities() & QgsVectorDataProvider::EditingCapabilities ) )
   {
     return false;
   }