disable or do not display maplayeractions

in some cases

src/app/qgisapp.cpp

@@ -6452,8 +6452,12 @@ void QgisApp::refreshFeatureActions()
   QList<QgsAction> actions = vlayer->actions()->actions( QStringLiteral( "Canvas" ) );
   Q_FOREACH ( const QgsAction &action, actions )
   {
+    if( vlayer->readOnly() && action.isEnabledOnlyWhenEditable() )
+      continue;
+
     QString actionTitle = !action.shortTitle().isEmpty() ? action.shortTitle() : action.icon().isNull() ? action.name() : QStringLiteral( "" );
     QAction *qAction = new QAction( action.icon(), actionTitle, mFeatureActionMenu );
+    qAction->setEnabled( !action.isEnabledOnlyWhenEditable() || vlayer->isEditable() );
     qAction->setData( QVariant::fromValue<QgsAction>( action ) );
     mFeatureActionMenu->addAction( qAction );
 
@@ -6473,6 +6477,10 @@ void QgisApp::refreshFeatureActions()
 
   for ( int i = 0; i < registeredActions.size(); i++ )
   {
+    if( vlayer->readOnly() && registeredActions.at( i )->isEnabledOnlyWhenEditable() )
+      continue;
+
+    registeredActions.at( i )->setEnabled( !registeredActions.at( i )->isEnabledOnlyWhenEditable() || vlayer->isEditable() );
     mFeatureActionMenu->addAction( registeredActions.at( i ) );
     if ( registeredActions.at( i ) == QgsGui::mapLayerActionRegistry()->defaultActionForLayer( vlayer ) )
     {
@@ -7460,7 +7468,7 @@ void QgisApp::setupDuplicateFeaturesAction()
 {
   mDuplicateFeatureAction.reset( new QgsMapLayerAction( tr( "Duplicate feature" ),
                                  nullptr, QgsMapLayerAction::SingleFeature,
-                                 QgsApplication::getThemeIcon( QStringLiteral( "/mActionDuplicateFeature.svg" ) ) ) );
+                                 QgsApplication::getThemeIcon( QStringLiteral( "/mActionDuplicateFeature.svg" ) ), true ) );
 
   QgsGui::mapLayerActionRegistry()->addMapLayerAction( mDuplicateFeatureAction.get() );
   connect( mDuplicateFeatureAction.get(), &QgsMapLayerAction::triggeredForFeature, this, [this]( QgsMapLayer * layer, const QgsFeature & feat )
@@ -7471,7 +7479,7 @@ void QgisApp::setupDuplicateFeaturesAction()
 
   mDuplicateFeatureDigitizeAction.reset( new QgsMapLayerAction( tr( "Duplicate feature and digitize" ),
                                          nullptr, QgsMapLayerAction::SingleFeature,
-                                         QgsApplication::getThemeIcon( QStringLiteral( "/mActionDuplicateFeatureDigitized.svg" ) ) ) );
+                                         QgsApplication::getThemeIcon( QStringLiteral( "/mActionDuplicateFeatureDigitized.svg" ) ), true ) );
 
   QgsGui::mapLayerActionRegistry()->addMapLayerAction( mDuplicateFeatureDigitizeAction.get() );
   connect( mDuplicateFeatureDigitizeAction.get(), &QgsMapLayerAction::triggeredForFeature, this, [this]( QgsMapLayer * layer, const QgsFeature & feat )
@@ -13164,7 +13172,13 @@ QgsFeature QgisApp::duplicateFeatures( QgsMapLayer *mlayer, const QgsFeature &fe
 
   QgsVectorLayer *layer = qobject_cast<QgsVectorLayer *>( mlayer );
 
-  layer->startEditing();
+  if( !layer->isEditable() )
+  {
+    //should never happen because the action should be disabled
+    QString msg = tr( "Cannot duplicate feature in not editable mode on layer %1" ).arg( layer->name() );
+    messageBar()->pushMessage( msg, Qgis::Warning, 3 );
+    return QgsFeature();
+  }
 
   QgsFeatureList featureList;
 
@@ -13212,7 +13226,13 @@ QgsFeature QgisApp::duplicateFeatureDigitized( QgsMapLayer *mlayer, const QgsFea
 
   QgsVectorLayer *layer = qobject_cast<QgsVectorLayer *>( mlayer );
 
-  layer->startEditing();
+  if( !layer->isEditable() )
+  {
+    //should never happen because the action should be disabled
+    QString msg = tr( "Cannot duplicate feature in not editable mode on layer %1" ).arg( layer->name() );
+    messageBar()->pushMessage( msg, Qgis::Warning, 3 );
+    return QgsFeature();
+  }
 
   QgsMapToolDigitizeFeature *digitizeFeature = new QgsMapToolDigitizeFeature( mMapCanvas, mlayer, QgsMapToolCapture::CaptureNone );
 

src/app/qgsattributeactiondialog.cpp

@@ -148,13 +148,19 @@ void QgsAttributeActionDialog::insertRow( int row, const QgsAction &action )
   // Notification message
   mAttributeActionTable->setItem( row, NotificationMessage, new QTableWidgetItem( action.notificationMessage() ) );
 
+  // EnabledOnlyWhenEditable
+  item = new QTableWidgetItem();
+  item->setFlags( item->flags() & ~( Qt::ItemIsEditable ) );
+  item->setCheckState( action.isEnabledOnlyWhenEditable() ? Qt::Checked : Qt::Unchecked );
+  mAttributeActionTable->setItem( row, EnabledOnlyWhenEditable, item );
+
   updateButtons();
 }
 
-void QgsAttributeActionDialog::insertRow( int row, QgsAction::ActionType type, const QString &name, const QString &actionText, const QString &iconPath, bool capture, const QString &shortTitle, const QSet<QString> &actionScopes, const QString &notificationMessage )
+void QgsAttributeActionDialog::insertRow( int row, QgsAction::ActionType type, const QString &name, const QString &actionText, const QString &iconPath, bool capture, const QString &shortTitle, const QSet<QString> &actionScopes, const QString &notificationMessage, bool isEnabledOnlyWhenEditable )
 {
   if ( uniqueName( name ) == name )
-    insertRow( row, QgsAction( type, name, actionText, iconPath, capture, shortTitle, actionScopes, notificationMessage ) );
+    insertRow( row, QgsAction( type, name, actionText, iconPath, capture, shortTitle, actionScopes, notificationMessage, isEnabledOnlyWhenEditable ) );
 }
 
 void QgsAttributeActionDialog::moveUp()
@@ -223,7 +229,8 @@ QgsAction QgsAttributeActionDialog::rowToAction( int row ) const
                     mAttributeActionTable->item( row, Capture )->checkState() == Qt::Checked,
                     mAttributeActionTable->item( row, ShortTitle )->text(),
                     mAttributeActionTable->item( row, ActionScopes )->data( Qt::UserRole ).value<QSet<QString>>(),
-                    mAttributeActionTable->item( row, NotificationMessage )->text()
+                    mAttributeActionTable->item( row, NotificationMessage )->text(),
+                    mAttributeActionTable->item( row, EnabledOnlyWhenEditable )->checkState() == Qt::Checked
                   );
   return action;
 }
@@ -278,7 +285,7 @@ void QgsAttributeActionDialog::insert()
   {
     QString name = uniqueName( dlg.description() );
 
-    insertRow( pos, dlg.type(), name, dlg.actionText(), dlg.iconPath(), dlg.capture(), dlg.shortTitle(), dlg.actionScopes(), dlg.notificationMessage() );
+    insertRow( pos, dlg.type(), name, dlg.actionText(), dlg.iconPath(), dlg.capture(), dlg.shortTitle(), dlg.actionScopes(), dlg.notificationMessage(), dlg.isEnabledOnlyWhenEditable() );
   }
 }
 
@@ -313,7 +320,7 @@ void QgsAttributeActionDialog::addDefaultActions()
   insertRow( pos++, QgsAction::OpenUrl, tr( "Open file" ), QStringLiteral( "[% \"PATH\" %]" ), QLatin1String( "" ), false, tr( "Open file" ), QSet<QString>() << QStringLiteral( "Feature" ) << QStringLiteral( "Canvas" ), QString() );
   insertRow( pos++, QgsAction::OpenUrl, tr( "Search on web based on attribute's value" ), QStringLiteral( "http://www.google.com/search?q=[% \"ATTRIBUTE\" %]" ), QLatin1String( "" ), false, tr( "Search Web" ), QSet<QString>() << QStringLiteral( "Field" ), QString() );
   insertRow( pos++, QgsAction::GenericPython, tr( "List feature ids" ), QStringLiteral( "from qgis.PyQt import QtWidgets\n\nlayer = QgsProject.instance().mapLayer('[% @layer_id %]')\nif layer.selectedFeatureCount():\n    ids = layer.selectedFeatureIds()\nelse:\n    ids = [f.id() for f in layer.getFeatures()]\n\nQtWidgets.QMessageBox.information(None, \"Feature ids\", ', '.join([str(id) for id in ids]))" ), QLatin1String( "" ), false, tr( "List feature ids" ), QSet<QString>() << QStringLiteral( "Layer" ), QString() );
-  insertRow( pos++, QgsAction::GenericPython, tr( "Duplicate selected features" ), QStringLiteral( "project = QgsProject.instance()\nlayer = QgsProject.instance().mapLayer('[% @layer_id %]')\nlayer.startEditing()\nfeatures=[]\nif len('[% $id %]')>0:\n    features.append( layer.getFeature( [% $id %] ) )\nelse:\n    for x in layer.selectedFeatures():\n        features.append( x )\nfeature_count=0\nchildren_info=''\nfeatureids=[]\nfor f in features:\n    result=QgsVectorLayerUtils.duplicateFeature(layer, f, project, 0 )\n    featureids.append( result[0].id() )\n    feature_count+=1\n    for ch_layer in result[1].layers():\n        children_info+='{number_of_children} children on layer {children_layer}\\n'.format( number_of_children=str( len( result[1].duplicatedFeatures(ch_layer) ) ), children_layer=ch_layer.name() )\n        ch_layer.selectByIds( result[1].duplicatedFeatures(ch_layer) )\nlayer.selectByIds( featureids )\nqgis.utils.iface.messageBar().pushMessage( '{number_of_features} features on layer {layer} duplicated with\\n{children_info}'.format( number_of_features=str( feature_count ), layer=layer.name(), children_info=children_info ) )" ), QLatin1String( "" ), false, tr( "Duplicate selected" ), QSet<QString>() << QStringLiteral( "Layer" ), QString() );
+  insertRow( pos++, QgsAction::GenericPython, tr( "Duplicate selected features" ), QStringLiteral( "project = QgsProject.instance()\nlayer = QgsProject.instance().mapLayer('[% @layer_id %]')\nif not layer.isEditable():\n    qgis.utils.iface.messageBar().pushMessage( 'Cannot duplicate feature in not editable mode on layer {layer}'.format( layer=layer.name() ) )\nelse:\n    features=[]\n    if len('[% $id %]')>0:\n        features.append( layer.getFeature( [% $id %] ) )\n    else:\n        for x in layer.selectedFeatures():\n            features.append( x )\n    feature_count=0\n    children_info=''\n    featureids=[]\n    for f in features:\n        result=QgsVectorLayerUtils.duplicateFeature(layer, f, project, 0 )\n        featureids.append( result[0].id() )\n        feature_count+=1\n        for ch_layer in result[1].layers():\n            children_info+='{number_of_children} children on layer {children_layer}\\n'.format( number_of_children=str( len( result[1].duplicatedFeatures(ch_layer) ) ), children_layer=ch_layer.name() )\n            ch_layer.selectByIds( result[1].duplicatedFeatures(ch_layer) )\n    layer.selectByIds( featureids )\n    qgis.utils.iface.messageBar().pushMessage( '{number_of_features} features on layer {layer} duplicated with\\n{children_info}'.format( number_of_features=str( feature_count ), layer=layer.name(), children_info=children_info ) )" ), QLatin1String( "" ), false, tr( "Duplicate selected" ), QSet<QString>() << QStringLiteral( "Layer" ), QString(), true );
 
 }
 
@@ -330,6 +337,7 @@ void QgsAttributeActionDialog::itemDoubleClicked( QTableWidgetItem *item )
     mAttributeActionTable->item( row, Capture )->checkState() == Qt::Checked,
     mAttributeActionTable->item( row, ActionScopes )->data( Qt::UserRole ).value<QSet<QString>>(),
     mAttributeActionTable->item( row, NotificationMessage )->text(),
+    mAttributeActionTable->item( row, EnabledOnlyWhenEditable )->checkState() == Qt::Checked,
     mLayer
   );
 
@@ -344,6 +352,7 @@ void QgsAttributeActionDialog::itemDoubleClicked( QTableWidgetItem *item )
     mAttributeActionTable->item( row, ActionText )->setText( actionProperties.actionText() );
     mAttributeActionTable->item( row, Capture )->setCheckState( actionProperties.capture() ? Qt::Checked : Qt::Unchecked );
     mAttributeActionTable->item( row, NotificationMessage )->setText( actionProperties.notificationMessage() );
+    mAttributeActionTable->item( row, EnabledOnlyWhenEditable )->setCheckState( actionProperties.isEnabledOnlyWhenEditable() ? Qt::Checked : Qt::Unchecked );
 
     QTableWidgetItem *item = mAttributeActionTable->item( row, ActionScopes );
     QStringList actionScopes = actionProperties.actionScopes().toList();

src/app/qgsattributeactiondialog.h

@@ -44,7 +44,8 @@ class APP_EXPORT QgsAttributeActionDialog: public QWidget, private Ui::QgsAttrib
       ActionText,
       Capture,
       ActionScopes,
-      NotificationMessage
+      NotificationMessage,
+      EnabledOnlyWhenEditable
     };
 
   public:
@@ -70,7 +71,7 @@ class APP_EXPORT QgsAttributeActionDialog: public QWidget, private Ui::QgsAttrib
 
   private:
     void insertRow( int row, const QgsAction &action );
-    void insertRow( int row, QgsAction::ActionType type, const QString &name, const QString &actionText, const QString &iconPath, bool capture, const QString &shortTitle, const QSet<QString> &actionScopes, const QString &notificationMessage );
+    void insertRow( int row, QgsAction::ActionType type, const QString &name, const QString &actionText, const QString &iconPath, bool capture, const QString &shortTitle, const QSet<QString> &actionScopes, const QString &notificationMessage, const bool isEnabledOnlyWhenEditable=false );
     void swapRows( int row1, int row2 );
     QgsAction rowToAction( int row ) const;
 

src/app/qgsattributeactionpropertiesdialog.cpp

@@ -31,7 +31,7 @@
 #include <QFileDialog>
 #include <QImageWriter>
 
-QgsAttributeActionPropertiesDialog::QgsAttributeActionPropertiesDialog( QgsAction::ActionType type, const QString &description, const QString &shortTitle, const QString &iconPath, const QString &actionText, bool capture, const QSet<QString> &actionScopes, const QString &notificationMessage, QgsVectorLayer *layer, QWidget *parent )
+QgsAttributeActionPropertiesDialog::QgsAttributeActionPropertiesDialog( QgsAction::ActionType type, const QString &description, const QString &shortTitle, const QString &iconPath, const QString &actionText, bool capture, const QSet<QString> &actionScopes, const QString &notificationMessage, bool isEnabledOnlyWhenEditable, QgsVectorLayer *layer, QWidget *parent )
   : QDialog( parent )
   , mLayer( layer )
 {
@@ -45,6 +45,7 @@ QgsAttributeActionPropertiesDialog::QgsAttributeActionPropertiesDialog( QgsActio
   mActionText->setText( actionText );
   mCaptureOutput->setChecked( capture );
   mNotificationMessage->setText( notificationMessage );
+  mIsEnabledOnlyWhenEditable->setChecked( isEnabledOnlyWhenEditable );
 
   init( actionScopes );
 }
@@ -107,6 +108,10 @@ QString QgsAttributeActionPropertiesDialog::notificationMessage() const
   return mNotificationMessage->text();
 }
 
+bool QgsAttributeActionPropertiesDialog::isEnabledOnlyWhenEditable() const
+{
+  return mIsEnabledOnlyWhenEditable->isChecked();
+}
 
 bool QgsAttributeActionPropertiesDialog::capture() const
 {

src/app/qgsattributeactionpropertiesdialog.h

@@ -28,7 +28,7 @@ class QgsAttributeActionPropertiesDialog: public QDialog, private Ui::QgsAttribu
     Q_OBJECT
 
   public:
-    QgsAttributeActionPropertiesDialog( QgsAction::ActionType type, const QString &description, const QString &shortTitle, const QString &iconPath, const QString &actionText, bool capture, const QSet<QString> &actionScopes, const QString &notificationMessage, QgsVectorLayer *layer, QWidget *parent = nullptr );
+    QgsAttributeActionPropertiesDialog( QgsAction::ActionType type, const QString &description, const QString &shortTitle, const QString &iconPath, const QString &actionText, bool capture, const QSet<QString> &actionScopes, const QString &notificationMessage, bool isEnabledOnlyWhenEditable, QgsVectorLayer *layer, QWidget *parent = nullptr );
 
     QgsAttributeActionPropertiesDialog( QgsVectorLayer *layer, QWidget *parent = nullptr );
 
@@ -46,6 +46,8 @@ class QgsAttributeActionPropertiesDialog: public QDialog, private Ui::QgsAttribu
 
     QString notificationMessage() const;
 
+    bool isEnabledOnlyWhenEditable() const;
+
     bool capture() const;
 
     QgsExpressionContext createExpressionContext() const override;

src/app/qgsattributetabledialog.cpp

@@ -333,25 +333,6 @@ QgsAttributeTableDialog::QgsAttributeTableDialog( QgsVectorLayer *layer, QgsAttr
       mActionSearchForm->setToolTip( tr( "Search is not supported when using custom UI forms" ) );
     }
 
-    QList<QgsAction> actions = mLayer->actions()->actions( QStringLiteral( "Layer" ) );
-
-    if ( actions.isEmpty() )
-    {
-      mActionFeatureActions->setVisible( false );
-    }
-    else
-    {
-      QMenu *actionMenu = new QMenu();
-      Q_FOREACH ( const QgsAction &action, actions )
-      {
-        QAction *qAction = actionMenu->addAction( action.icon(), action.shortTitle() );
-        qAction->setToolTip( action.name() );
-        qAction->setData( QVariant::fromValue<QgsAction>( action ) );
-        connect( qAction, &QAction::triggered, this, &QgsAttributeTableDialog::layerActionTriggered );
-      }
-      mActionFeatureActions->setMenu( actionMenu );
-    }
-
     editingToggled();
     // Close and delete if the layer has been destroyed
     connect( mLayer, &QObject::destroyed, this, &QWidget::close );
@@ -850,6 +831,30 @@ void QgsAttributeTableDialog::editingToggled()
   }
   // not necessary to set table read only if layer is not editable
   // because model always reflects actual state when returning item flags
+
+  QList<QgsAction> actions = mLayer->actions()->actions( QStringLiteral( "Layer" ) );
+
+  if ( actions.isEmpty() )
+  {
+    mActionFeatureActions->setVisible( false );
+  }
+  else
+  {
+    QMenu *actionMenu = new QMenu();
+    Q_FOREACH ( const QgsAction &action, actions )
+    {
+      if( mLayer->readOnly() && action.isEnabledOnlyWhenEditable() )
+        continue;
+
+      QAction *qAction = actionMenu->addAction( action.icon(), action.shortTitle() );
+      qAction->setEnabled( !action.isEnabledOnlyWhenEditable() || mLayer->isEditable() );
+      qAction->setToolTip( action.name() );
+      qAction->setData( QVariant::fromValue<QgsAction>( action ) );
+      connect( qAction, &QAction::triggered, this, &QgsAttributeTableDialog::layerActionTriggered );
+    }
+    mActionFeatureActions->setMenu( actionMenu );
+  }
+
 }
 
 void QgsAttributeTableDialog::mActionAddAttribute_triggered()

src/app/qgsfeatureaction.cpp

@@ -82,8 +82,12 @@ QgsAttributeDialog *QgsFeatureAction::newDialog( bool cloneFeature )
       if ( !action.runable() )
         continue;
 
+      if( mLayer->readOnly() && action.isEnabledOnlyWhenEditable() )
+        continue;
+
       QgsFeature &feat = const_cast<QgsFeature &>( *dialog->feature() );
       QgsFeatureAction *a = new QgsFeatureAction( action.name(), feat, mLayer, action.id(), -1, dialog );
+      a->setEnabled( !action.isEnabledOnlyWhenEditable() || mLayer->isEditable() );
       dialog->addAction( a );
       connect( a, &QAction::triggered, a, &QgsFeatureAction::execute );