fix #6803

src/app/qgsfieldsproperties.cpp

@@ -193,7 +193,7 @@ QgsFieldsProperties::QgsFieldsProperties( QgsVectorLayer *layer, QWidget* parent
   mToggleEditingButton->setIcon( QgsApplication::getThemeIcon( "/mActionToggleEditing.png" ) );
   mCalculateFieldButton->setIcon( QgsApplication::getThemeIcon( "/mActionCalculateField.png" ) );
 
-  connect( mToggleEditingButton, SIGNAL( clicked() ), this, SLOT( toggleEditing() ) );
+  connect( mToggleEditingButton, SIGNAL( clicked() ), this, SIGNAL( toggleEditing() ) );
   connect( mLayer, SIGNAL( editingStarted() ), this, SLOT( editingToggled() ) );
   connect( mLayer, SIGNAL( editingStopped() ), this, SLOT( editingToggled() ) );
   connect( mLayer, SIGNAL( attributeAdded( int ) ), this, SLOT( attributeAdded( int ) ) );
@@ -242,11 +242,6 @@ void QgsFieldsProperties::onAttributeSelectionChanged()
   mAddItemButton->setEnabled( isAddPossible );
 }
 
-void QgsFieldsProperties::toggleEditing()
-{
-  emit toggleEditing( mLayer );
-}
-
 QTreeWidgetItem *QgsFieldsProperties::loadAttributeEditorTreeItem( QgsAttributeEditorElement* const widgetDef, QTreeWidgetItem* parent )
 {
   QTreeWidgetItem* newWidget = 0;
@@ -303,7 +298,7 @@ void QgsFieldsProperties::loadAttributeEditorTree()
 
 void QgsFieldsProperties::loadRows()
 {
-  disconnect( mAttributesList, SIGNAL( cellChanged( int, int ) ), this, SLOT( on_mAttributesList_cellChanged( int, int ) ) );
+  disconnect( mAttributesList, SIGNAL( cellChanged( int, int ) ), this, SLOT( attributesListCellChanged( int, int ) ) );
   const QgsFieldMap &fields = mLayer->pendingFields();
 
   mAttributesList->clear();
@@ -334,7 +329,7 @@ void QgsFieldsProperties::loadRows()
     setRow( row, it.key(), it.value() );
 
   mAttributesList->resizeColumnsToContents();
-  connect( mAttributesList, SIGNAL( cellChanged( int, int ) ), this, SLOT( on_mAttributesList_cellChanged( int, int ) ) );
+  connect( mAttributesList, SIGNAL( cellChanged( int, int ) ), this, SLOT( attributesListCellChanged( int, int ) ) );
 }
 
 void QgsFieldsProperties::setRow( int row, int idx, const QgsField &field )
@@ -474,7 +469,7 @@ void QgsFieldsProperties::on_mMoveUpItem_clicked()
   }
 }
 
-void QgsFieldsProperties::attributeTypeDialog( )
+void QgsFieldsProperties::attributeTypeDialog()
 {
   QPushButton *pb = qobject_cast<QPushButton *>( sender() );
   if ( !pb )
@@ -657,9 +652,12 @@ void QgsFieldsProperties::on_mDeleteAttributeButton_clicked()
 
 void QgsFieldsProperties::updateButtons()
 {
+  int cap = mLayer->dataProvider()->capabilities();
+
+  mToggleEditingButton->setEnabled(( cap & QgsVectorDataProvider::ChangeAttributeValues ) && !mLayer->isReadOnly() );
+
   if ( mLayer->isEditable() )
   {
-    int cap = mLayer->dataProvider()->capabilities();
     mAddAttributeButton->setEnabled( cap & QgsVectorDataProvider::AddAttributes );
     mDeleteAttributeButton->setEnabled( cap & QgsVectorDataProvider::DeleteAttributes );
     mCalculateFieldButton->setEnabled( cap & ( QgsVectorDataProvider::ChangeAttributeValues | QgsVectorDataProvider::AddAttributes ) );
@@ -670,13 +668,12 @@ void QgsFieldsProperties::updateButtons()
     mAddAttributeButton->setEnabled( false );
     mDeleteAttributeButton->setEnabled( false );
     mToggleEditingButton->setChecked( false );
-    mToggleEditingButton->setEnabled( false );
     mCalculateFieldButton->setEnabled( false );
   }
 }
 
 
-void QgsFieldsProperties::on_mAttributesList_cellChanged( int row, int column )
+void QgsFieldsProperties::attributesListCellChanged( int row, int column )
 {
   if ( column == attrAliasCol && mLayer ) //only consider attribute aliases in this function
   {

src/app/qgsfieldsproperties.h

@@ -90,14 +90,13 @@ class QgsFieldsProperties : public QWidget, private Ui_QgsFieldsPropertiesBase
     QTreeWidgetItem *loadAttributeEditorTreeItem( QgsAttributeEditorElement* const widgetDef, QTreeWidgetItem* parent );
 
   signals:
-    void toggleEditing( QgsMapLayer * );
+    void toggleEditing();
 
   public slots:
     void on_mAddAttributeButton_clicked();
     void on_mDeleteAttributeButton_clicked();
     void on_mCalculateFieldButton_clicked();
     void onAttributeSelectionChanged();
-    void on_mAttributesList_cellChanged( int row, int column );
     void on_pbnSelectEditForm_clicked();
     void on_mEditorLayoutComboBox_currentIndexChanged( int index );
 
@@ -113,10 +112,9 @@ class QgsFieldsProperties : public QWidget, private Ui_QgsFieldsPropertiesBase
     void on_mMoveDownItem_clicked();
     void on_mMoveUpItem_clicked();
 
-  protected slots:
-    /** toggle editing of layer */
-    void toggleEditing();
+    void attributesListCellChanged( int row, int column );
 
+  protected slots:
     /** editing of layer was toggled */
     void editingToggled();
 

src/app/qgsvectorlayerproperties.cpp

@@ -137,12 +137,15 @@ QgsVectorLayerProperties::QgsVectorLayerProperties(
   mFieldsFrame->setLayout( new QVBoxLayout( mFieldsFrame ) );
   mFieldsFrame->layout()->addWidget( mFieldsPropertiesDialog );
 
+  connect( mFieldsPropertiesDialog, SIGNAL( toggleEditing() ), this, SLOT( toggleEditing() ) );
+  connect( this, SIGNAL( toggleEditing( QgsMapLayer* ) ), QgisApp::instance(), SLOT( toggleEditing( QgsMapLayer* ) ) );
+
   reset();
 
   if ( layer->dataProvider() )//enable spatial index button group if supported by provider
   {
     int capabilities = layer->dataProvider()->capabilities();
-    if ( !( capabilities&QgsVectorDataProvider::CreateSpatialIndex ) )
+    if ( !( capabilities & QgsVectorDataProvider::CreateSpatialIndex ) )
     {
       pbnIndex->setEnabled( false );
     }