DoctorPageController.java

import java.io.IOException;
import java.net.URL;
import java.util.ResourceBundle;

import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class DoctorPageController extends Controller {

    private Doctor currentDoctor;
    private Patient currentPatient;

    @FXML
    private Button PatientListButton, editPhysicalButton, goToPatientInfo;
    @FXML
    private Text selectedPatient;

    @FXML
    void handlePatientListButton(ActionEvent event) throws IOException {
        super.goToPage("FXML/PatientList.fxml", PatientListButton);
    }

    @FXML
    void handlePatientPhysicalButton(ActionEvent event) throws IOException {
        if (currentPatient != null) {
            super.goToPage("FXML/PatientPhysical.fxml", editPhysicalButton);
        }
    }

    @FXML
    void handlePatientInfoButton(ActionEvent event) throws IOException {
        if (currentPatient != null) {
            super.goToPage("FXML/PatientInformation.fxml", goToPatientInfo);
        }
    }

    @Override
    public void initData() {
        currentDoctor = (Doctor) super.currentUser;
        currentPatient = (Patient) super.selectedAccount;
        // set current patients and doctors
        if(super.selectedAccount!=null){
            currentDoctor.setCurrentPatient(currentPatient);
            currentPatient.assignDoctor(currentDoctor);
        }
        
        // update selectedPatient text
        if (currentPatient != null) {
            selectedPatient.setText("Selected Patient: " + currentPatient.getPatientFullName());
        } else {
            selectedPatient.setText("Selected Patient: NONE");
        }
    }

    @Override
    public void initialize(URL location, ResourceBundle resources) {
    }

}