void MainWindow::on_button_graph_clicked()
{
if(ui->tabWidget->currentIndex() == 0){
dialogWindow = new TeachingGraphDash(this);
dialogWindow->showMaximized();
}else if(ui->tabWidget->currentIndex() == 1){
QDialog *pubDash = new publicationGraphDash(this);
pubDash->showMaximized();
}else if(ui->tabWidget->currentIndex() == 3){
QDialog *presDash = new PresentationGraphDash(this);
presDash->showMaximized();
}else if(ui->tabWidget->currentIndex() == 2){
QDialog *grantsDash = new GrantsFundingGraphDash(this);
grantsDash->showMaximized();
}
}
