переименовал CheckerTask

InstructorsAndTrainees/trainees/viewertrainees.cpp

@@ -134,33 +134,17 @@ void ViewerTrainees::on_itemDoubleClicked(QTreeWidgetItem *item, int column)
         {
             int id_trainee = connectorToServer->getIdTraineeByLogin(login);
 
-
-            /*
-            PersonalCardTrainee* cardTrainee = new PersonalCardTrainee(connectorToServer, messangerController, id_trainee, ammTasksWidgetCommon, fimTasksWidgetCommon, this);
-
-            dlgCardTrainee = new QDialog(this,
-                                            Qt::WindowSystemMenuHint
-                                          | Qt::WindowMaximizeButtonHint
-                                          | Qt::WindowMinimizeButtonHint
-                                          | Qt::WindowCloseButtonHint);
-
-            QHBoxLayout *layout = new QHBoxLayout(dlgCardTrainee);
-            layout->addWidget(cardTrainee);
-            dlgCardTrainee->setWindowTitle(tr("Personal card trainee"));
-            dlgCardTrainee->setMinimumSize(1400, 700);
-            dlgCardTrainee->setWindowState(Qt::WindowMaximized);
-            dlgCardTrainee->setModal(true);
-            dlgCardTrainee->exec();
-            */
-
             dlgCardTrainee = new DialogCardTrainee(connectorToServer, messangerController, id_trainee, ammTasksWidgetCommon, fimTasksWidgetCommon, this);
             dlgCardTrainee->exec();
 
             ammTasksWidgetCommon->setParent(this);
             fimTasksWidgetCommon->setParent(this);
 
-            delete dlgCardTrainee;
-            dlgCardTrainee = nullptr;
+            if(dlgCardTrainee)
+            {
+                delete dlgCardTrainee;
+                dlgCardTrainee = nullptr;
+            }
         }
     }
 }