Сделал общую кнопку AssignTask

InstructorsAndTrainees/tasks/fimtaskswidget.cpp

@@ -18,7 +18,8 @@ FIMtasksWidget::FIMtasksWidget(ConnectorToServer* connectorToServer, TypeList ty
     loginTraineeSelected(""),
     idTraineeSelected(0),
     threadAnimation(nullptr),
-    waitAnimationWidget(nullptr)
+    waitAnimationWidget(nullptr),
+    accessAssignTask(false)
 {
     ui->setupUi(this);
 
@@ -32,6 +33,7 @@ FIMtasksWidget::FIMtasksWidget(ConnectorToServer* connectorToServer, TypeList ty
     preparationTreeWidget();
 
     ui->btnAssignTaskToTrainee->setEnabled(false);
+    Q_EMIT signal_currentItemChanged();
     ui->btnUpdateTasks->setVisible(false);
 
     if(type == TypeList::listForTrainee)
@@ -102,11 +104,17 @@ void FIMtasksWidget::on_treeWidget_currentItemChanged(QTreeWidgetItem *current,
         code = task->title;
 
         ui->btnAssignTaskToTrainee->setEnabled(true);
+        accessAssignTask = true;
     }
     else
+    {
         ui->btnAssignTaskToTrainee->setEnabled(false);
+        accessAssignTask = false;
+    }
 
     ui->editCode->setText(code);
+
+    Q_EMIT signal_currentItemChanged();
 }
 
 void FIMtasksWidget::loadFIMtasksFromXML(QByteArray array)
@@ -362,6 +370,11 @@ void FIMtasksWidget::on_btnUpdateTasks_clicked()
 }
 
 void FIMtasksWidget::on_btnAssignTaskToTrainee_clicked()
+{
+    slot_AssignTaskFIMtoTrainee();
+}
+
+void FIMtasksWidget::slot_AssignTaskFIMtoTrainee()
 {
     QTreeWidgetItem *current = treeWidget->currentItem();