delete/truncate selected tables for mssql-tables

signedav · signedav · commit f06bb799ef5a · 2018-11-19T09:58:46.000+01:00
diff --git a/src/providers/mssql/qgsmssqldataitems.cpp b/src/providers/mssql/qgsmssqldataitems.cpp
@@ -568,57 +568,81 @@ QgsMssqlLayerItem::QgsMssqlLayerItem( QgsDataItem *parent, const QString &name,
 #ifdef HAVE_GUI
 QList<QAction *> QgsMssqlLayerItem::actions( QWidget *actionParent )
 {
-  QgsMssqlConnectionItem *connItem = qobject_cast<QgsMssqlConnectionItem *>( parent() ? parent()->parent() : nullptr );
-
   QList<QAction *> lst;
 
   // delete
-  QAction *actionDeleteLayer = new QAction( tr( "Delete Table" ), actionParent );
+  const QString deleteText = selectedItems().count() == 1 ? tr( "Delete Table" )
+                             : tr( "Delete Selected Tables" );
+  QAction *actionDeleteLayer = new QAction( deleteText, actionParent );
   connect( actionDeleteLayer, &QAction::triggered, this, [ = ]
   {
-    if ( QMessageBox::question( nullptr, QObject::tr( "Delete Table" ),
-                                QObject::tr( "Are you sure you want to delete [%1].[%2]?" ).arg( mLayerProperty.schemaName, mLayerProperty.tableName ),
-                                QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) != QMessageBox::Yes )
-      return;
-
-    QString errCause;
-    bool res = QgsMssqlConnection::dropTable( mUri, &errCause );
-    if ( !res )
+    QList<QgsDataItem *> items = selectedItems();
+    for ( QgsDataItem *item : items )
     {
-      QMessageBox::warning( nullptr, tr( "Delete Table" ), errCause );
-    }
-    else
-    {
-      QMessageBox::information( nullptr, tr( "Delete Table" ), tr( "Table deleted successfully." ) );
-      if ( connItem )
-        connItem->refresh();
+      if ( QgsMssqlLayerItem *mssqlLayerItem = qobject_cast< QgsMssqlLayerItem *>( item ) )
+        mssqlLayerItem->deleteLayer();
     }
   } );
   lst.append( actionDeleteLayer );
 
   // truncate
-  QAction *actionTruncateLayer = new QAction( tr( "Truncate Table" ), actionParent );
+  const QString truncateText = selectedItems().count() == 1 ? tr( "Truncate Table" )
+                               : tr( "Truncate Selected Tables" );
+  QAction *actionTruncateLayer = new QAction( truncateText, actionParent );
   connect( actionTruncateLayer, &QAction::triggered, this, [ = ]
   {
-    if ( QMessageBox::question( nullptr, QObject::tr( "Truncate Table" ),
-                                QObject::tr( "Are you sure you want to truncate [%1].[%2]?\n\nThis will delete all data within the table." ).arg( mLayerProperty.schemaName, mLayerProperty.tableName ),
-                                QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) != QMessageBox::Yes )
-      return;
-
-    QString errCause;
-    bool res = QgsMssqlConnection::truncateTable( mUri, &errCause );
-    if ( !res )
+    QList<QgsDataItem *> items = selectedItems();
+    for ( QgsDataItem *item : items )
     {
-      QMessageBox::warning( nullptr, tr( "Truncate Table" ), errCause );
-    }
-    else
-    {
-      QMessageBox::information( nullptr, tr( "Truncate Table" ), tr( "Table truncated successfully." ) );
+      if ( QgsMssqlLayerItem *mssqlLayerItem = qobject_cast< QgsMssqlLayerItem *>( item ) )
+        mssqlLayerItem->truncateTable();
     }
   } );
   lst.append( actionTruncateLayer );
   return lst;
 }
+
+void QgsMssqlLayerItem::deleteLayer()
+{
+  QgsMssqlConnectionItem *connItem = qobject_cast<QgsMssqlConnectionItem *>( parent() ? parent()->parent() : nullptr );
+
+  if ( QMessageBox::question( nullptr, QObject::tr( "Delete Table" ),
+                              QObject::tr( "Are you sure you want to delete [%1].[%2]?" ).arg( mLayerProperty.schemaName, mLayerProperty.tableName ),
+                              QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) != QMessageBox::Yes )
+    return;
+
+  QString errCause;
+  bool res = QgsMssqlConnection::dropTable( mUri, &errCause );
+  if ( !res )
+  {
+    QMessageBox::warning( nullptr, tr( "Delete Table" ), errCause );
+  }
+  else
+  {
+    QMessageBox::information( nullptr, tr( "Delete Table" ), tr( "Table deleted successfully." ) );
+    if ( connItem )
+      connItem->refresh();
+  }
+}
+
+void QgsMssqlLayerItem::truncateTable()
+{
+  if ( QMessageBox::question( nullptr, QObject::tr( "Truncate Table" ),
+                              QObject::tr( "Are you sure you want to truncate [%1].[%2]?\n\nThis will delete all data within the table." ).arg( mLayerProperty.schemaName, mLayerProperty.tableName ),
+                              QMessageBox::Yes | QMessageBox::No, QMessageBox::No ) != QMessageBox::Yes )
+    return;
+
+  QString errCause;
+  bool res = QgsMssqlConnection::truncateTable( mUri, &errCause );
+  if ( !res )
+  {
+    QMessageBox::warning( nullptr, tr( "Truncate Table" ), errCause );
+  }
+  else
+  {
+    QMessageBox::information( nullptr, tr( "Truncate Table" ), tr( "Table truncated successfully." ) );
+  }
+}
 #endif
 
 QgsMssqlLayerItem *QgsMssqlLayerItem::createClone()
diff --git a/src/providers/mssql/qgsmssqldataitems.h b/src/providers/mssql/qgsmssqldataitems.h
@@ -140,6 +140,12 @@ class QgsMssqlLayerItem : public QgsLayerItem
 
     bool disableInvalidGeometryHandling() const;
 
+  public slots:
+#ifdef HAVE_GUI
+    void deleteLayer();
+    void truncateTable();
+#endif
+
   private:
     QgsMssqlLayerProperty mLayerProperty;
     bool mDisableInvalidGeometryHandling = false;
