Implemented all methods marked with WIP

Lab2/src/main/java/org/lumijiez/base/Faculty.java

@@ -3,6 +3,7 @@ package org.lumijiez.base;
 import org.lumijiez.enums.StudyField;
 
 import java.io.Serializable;
+import java.util.ArrayList;
 import java.util.List;
 
 public class Faculty implements Serializable {
@@ -15,7 +16,7 @@ public class Faculty implements Serializable {
 
     private String name;
     private String abbreviation;
-    private List<Group> groups;
+    private List<Group> groups = new ArrayList<>();
     private StudyField field;
 
     public void addGroup(Group group) {
@@ -54,4 +55,9 @@ public class Faculty implements Serializable {
         this.field = field;
     }
 
+    @Override
+    public String toString() {
+        return getName();
+    }
+
 }

Lab2/src/main/java/org/lumijiez/base/Group.java

@@ -54,4 +54,9 @@ public class Group implements Serializable {
             }
         return null;
     }
+
+    @Override
+    public String toString() {
+        return name;
+    }
 }

Lab2/src/main/java/org/lumijiez/base/Student.java

@@ -9,11 +9,14 @@ import java.util.List;
 
 public class Student implements Serializable {
 
-    public Student(String name, String surname, Group group, Faculty faculty) {
+    public Student(String name, String surname, Group group, Faculty faculty, Date birth, Date enrol) {
         this.name = name;
         this.surname = surname;
         this.fullname = name + " " + surname;
         this.group = group;
+        this.faculty = faculty;
+        this.dateOfBirth = birth;
+        this.enrollmentDate = enrol;
         this.FSD = new FullStudentData(name, surname, group.getName(), faculty.getName());
     }
 
@@ -116,4 +119,9 @@ public class Student implements Serializable {
         this.dateOfBirth = dateOfBirth;
     }
 
+    @Override
+    public String toString() {
+        return fullname;
+    }
+
 }

Lab2/src/main/java/org/lumijiez/data/DataDeserializer.java

@@ -14,7 +14,7 @@ public class DataDeserializer {
         if (serializedFile.exists()) {
             try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream(serializedFile))) {
                 manager = (Supervisor) ois.readObject();
-                System.out.println("Manager object deserialized successfully.");
+                System.out.println("Supervisor object deserialized successfully.");
             } catch (IOException | ClassNotFoundException e) {
                 e.printStackTrace();
             }

Lab2/src/main/java/org/lumijiez/data/DataSerializer.java

@@ -11,7 +11,7 @@ public class DataSerializer {
     public static void serialize(Supervisor manager) {
         try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("manager.ser"))) {
             oos.writeObject(manager);
-            System.out.println("Manager object serialized successfully.");
+            System.out.println("Supervisor object serialized successfully.");
         } catch (IOException e) {
             e.printStackTrace();
         }

Lab2/src/main/java/org/lumijiez/enums/StudyField.java

@@ -46,4 +46,9 @@ public enum StudyField implements Serializable {
     public static List<StudyField> getAllEnums() {
         return Arrays.asList(values());
     }
+
+    @Override
+    public String toString() {
+        return getName();
+    }
 }

Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java

@@ -5,6 +5,8 @@
 package org.lumijiez.gui;
 
 import org.lumijiez.base.Faculty;
+import org.lumijiez.base.Group;
+import org.lumijiez.base.Student;
 import org.lumijiez.data.DataDeserializer;
 import org.lumijiez.data.DataSerializer;
 import org.lumijiez.gui.forms.faculty.AddFacultyForm;
@@ -12,6 +14,7 @@ import org.lumijiez.gui.forms.faculty.EditFacultyForm;
 import org.lumijiez.gui.forms.faculty.RemoveFacultyForm;
 import org.lumijiez.gui.forms.faculty.ShowFacultyForm;
 import org.lumijiez.gui.forms.group.AddGroupForm;
+import org.lumijiez.gui.forms.group.DeleteGroupForm;
 import org.lumijiez.gui.forms.group.EditGroupForm;
 import org.lumijiez.gui.forms.group.ShowGroupForm;
 import org.lumijiez.gui.forms.student.*;
@@ -24,44 +27,68 @@ import java.awt.event.WindowEvent;
 
 public class StudentManagementGUI extends JFrame {
     private Supervisor sv;
-    JLabel mainTextLabel = new JLabel();
+    private final JLabel mainTextLabel = new JLabel();
+    private final JMenuBar menuBar = new JMenuBar();
+    private final JMenu fileMenu = new JMenu();
+    private final JMenuItem loadBatchOption = new JMenuItem();
+    private final JMenuItem saveAsOption = new JMenuItem();
+    private final JMenuItem saveAndExitOption = new JMenuItem();
+    private final JMenuItem settingsOption = new JMenuItem();
+    private final JMenu studentMenu = new JMenu();
+    private final JMenuItem showAllStudentsOption = new JMenuItem();
+    private final JMenuItem showParticularStudentOption = new JMenuItem();
+    private final JMenuItem showStudentGrade = new JMenuItem();
+    private final JPopupMenu.Separator studentSeparator = new JPopupMenu.Separator();
+    private final JMenuItem gradeStudentOption = new JMenuItem();
+    private final JMenuItem addStudentOption = new JMenuItem();
+    private final JMenuItem editStudentOption = new JMenuItem();
+    private final JMenuItem deleteStudentOption = new JMenuItem();
+    private final JMenu groupMenu = new JMenu();
+    private final JMenuItem showAllGroupsOption = new JMenuItem();
+    private final JMenuItem showParticularGroupOption = new JMenuItem();
+    private final JPopupMenu.Separator groupSeparator = new JPopupMenu.Separator();
+    private final JMenuItem addGroupOption = new JMenuItem();
+    private final JMenuItem editGroupOption = new JMenuItem();
+    private final JMenuItem deleteGroupOption = new JMenuItem();
+    private final JMenu facultyMenu = new JMenu();
+    private final JMenuItem showAllFacultiesOption = new JMenuItem();
+    private final JMenuItem showParticularFacultyOption = new JMenuItem();
+    private final JPopupMenu.Separator facultySeparator = new JPopupMenu.Separator();
+    private final JMenuItem addFacultyOption = new JMenuItem();
+    private final JMenuItem editFacultyOption = new JMenuItem();
+    private final JMenuItem removeFacultyOption = new JMenuItem();
+
     public StudentManagementGUI() {
-        this.sv = sv;
-        initComponents();
         this.sv = DataDeserializer.deserialize();
+        initComponents();
     }
     private void initComponents() {
 
-
+        fileMenu.setText("File");
-        JMenuBar menuBar = new JMenuBar();
+        loadBatchOption.setText("Load Batch File");
-        JMenu fileMenu = new JMenu();
+        saveAsOption.setText("Save As File");
-        JMenuItem loadBatchOption = new JMenuItem();
+        saveAndExitOption.setText("Save And Exit");
-        JMenuItem saveAsOption = new JMenuItem();
+        settingsOption.setText("Settings");
-        JMenuItem saveAndExitOption = new JMenuItem();
+        studentMenu.setText("Student Options");
-        JMenuItem settingsOption = new JMenuItem();
+        showAllStudentsOption.setText("Show All Students");
-        JMenu studentMenu = new JMenu();
+        showParticularStudentOption.setText("Show Student");
-        JMenuItem showAllStudentsOption = new JMenuItem();
+        showStudentGrade.setText("Show Student Grades");
-        JMenuItem showParticularStudentOption = new JMenuItem();
+        gradeStudentOption.setText("Grade Student");
-        JMenuItem showStudentGrade = new JMenuItem();
+        addStudentOption.setText("Add Student");
-        JPopupMenu.Separator studentSeparator = new JPopupMenu.Separator();
+        editStudentOption.setText("Edit Student");
-        JMenuItem gradeStudentOption = new JMenuItem();
+        deleteStudentOption.setText("Delete Student");
-        JMenuItem addStudentOption = new JMenuItem();
+        groupMenu.setText("Group Options");
-        JMenuItem editStudentOption = new JMenuItem();
+        showAllGroupsOption.setText("Show All Groups");
-        JMenuItem deleteStudentOption = new JMenuItem();
+        showParticularGroupOption.setText("Show Group");
-        JMenu groupMenu = new JMenu();
+        addGroupOption.setText("Add Group");
-        JMenuItem showAllGroupsOption = new JMenuItem();
+        editGroupOption.setText("Edit Group");
-        JMenuItem showParticularGroupOption = new JMenuItem();
+        deleteGroupOption.setText("Delete Group");
-        JPopupMenu.Separator groupSeparator = new JPopupMenu.Separator();
+        facultyMenu.setText("Faculty Options");
-        JMenuItem addGroupOption = new JMenuItem();
+        showAllFacultiesOption.setText("Show Faculties");
-        JMenuItem editGroupOption = new JMenuItem();
+        showParticularFacultyOption.setText("Show A Faculty");
-        JMenuItem deleteGroupOption = new JMenuItem();
+        addFacultyOption.setText("Add Faculty");
-        JMenu facultyMenu = new JMenu();
+        removeFacultyOption.setText("Remove Faculty");
-        JMenuItem showAllFacultiesOption = new JMenuItem();
+        editFacultyOption.setText("Edit Faculty");
-        JMenuItem showParticularFacultyOption = new JMenuItem();
-        JPopupMenu.Separator facultySeparator = new JPopupMenu.Separator();
-        JMenuItem addFacultyOption = new JMenuItem();
-        JMenuItem editFacultyOption = new JMenuItem();
-        JMenuItem removeFacultyOption = new JMenuItem();
 
         setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
 
@@ -82,103 +109,66 @@ public class StudentManagementGUI extends JFrame {
             }
         });
 
-        fileMenu.setText("File");
 
-        loadBatchOption.setText("Load Batch File");
         loadBatchOption.addActionListener(this::loadBatchOptionActionPerformed);
-        fileMenu.add(loadBatchOption);
-
-        saveAsOption.setText("Save As File");
         saveAsOption.addActionListener(this::saveAsOptionActionPerformed);
-        fileMenu.add(saveAsOption);
-
-        saveAndExitOption.setText("Save And Exit");
         saveAndExitOption.addActionListener(this::saveAndExitOptionActionPerformed);
-        fileMenu.add(saveAndExitOption);
 
-        settingsOption.setText("Settings");
+        fileMenu.add(loadBatchOption);
+        fileMenu.add(saveAsOption);
+        fileMenu.add(saveAndExitOption);
         fileMenu.add(settingsOption);
 
         menuBar.add(fileMenu);
 
-        studentMenu.setText("Student Options");
-
-        showAllStudentsOption.setText("Show All Students");
-        studentMenu.add(showAllStudentsOption);
-
-        showParticularStudentOption.setText("Show Student");
         showParticularStudentOption.addActionListener(this::showParticularStudentOptionActionPerformed);
-        studentMenu.add(showParticularStudentOption);
-
-        showStudentGrade.setText("Show Student Grades");
         showStudentGrade.addActionListener(this::showStudentGradeActionPerformed);
+        gradeStudentOption.addActionListener(this::gradeStudentOptionActionPerformed);
+        addStudentOption.addActionListener(this::addStudentOptionActionPerformed);
+        editStudentOption.addActionListener(this::editStudentOptionActionPerformed);
+        deleteStudentOption.addActionListener(this::deleteStudentOptionActionPerformed);
+
+        studentMenu.add(showAllStudentsOption);
+        studentMenu.add(showParticularStudentOption);
         studentMenu.add(showStudentGrade);
         studentMenu.add(studentSeparator);
-
-        gradeStudentOption.setText("Grade Student");
-        gradeStudentOption.addActionListener(this::gradeStudentOptionActionPerformed);
         studentMenu.add(gradeStudentOption);
-
-        addStudentOption.setText("Add Student");
-        addStudentOption.addActionListener(this::addStudentOptionActionPerformed);
         studentMenu.add(addStudentOption);
-
-        editStudentOption.setText("Edit Student");
-        editStudentOption.addActionListener(this::editStudentOptionActionPerformed);
         studentMenu.add(editStudentOption);
-
-        deleteStudentOption.setText("Delete Student");
-        deleteStudentOption.addActionListener(this::deleteStudentOptionActionPerformed);
         studentMenu.add(deleteStudentOption);
 
         menuBar.add(studentMenu);
 
-        groupMenu.setText("Group Options");
-
-        showAllGroupsOption.setText("Show All Groups");
-        groupMenu.add(showAllGroupsOption);
-
-        showParticularGroupOption.setText("Show Group");
         showParticularGroupOption.addActionListener(this::showParticularGroupOptionActionPerformed);
+        addGroupOption.addActionListener(this::addGroupOptionActionPerformed);
+        editGroupOption.addActionListener(this::editGroupOptionActionPerformed);
+
+        groupMenu.add(showAllGroupsOption);
         groupMenu.add(showParticularGroupOption);
         groupMenu.add(groupSeparator);
-
-        addGroupOption.setText("Add Group");
-        addGroupOption.addActionListener(this::addGroupOptionActionPerformed);
         groupMenu.add(addGroupOption);
-
-        editGroupOption.setText("Edit Group");
-        editGroupOption.addActionListener(this::editGroupOptionActionPerformed);
         groupMenu.add(editGroupOption);
-
-        deleteGroupOption.setText("Delete Group");
         groupMenu.add(deleteGroupOption);
 
         menuBar.add(groupMenu);
 
-        facultyMenu.setText("Faculty Options");
+        showAllGroupsOption.addActionListener(this::showAllGroupsOptionActionPerformed);
-
+        showAllStudentsOption.addActionListener(this::showAllStudentsOptionActionPerformed);
-        showAllFacultiesOption.setText("Show Faculties");
         showAllFacultiesOption.addActionListener(this::showAllFacultiesOptionActionPerformed);
-        facultyMenu.add(showAllFacultiesOption);
-
-        showParticularFacultyOption.setText("Show A Faculty");
         showParticularFacultyOption.addActionListener(this::showParticularFacultyOptionActionPerformed);
+        addFacultyOption.addActionListener(this::addFacultyOptionActionPerformed);
+        editFacultyOption.addActionListener(this::editFacultyOptionActionPerformed);
+        deleteGroupOption.addActionListener(this::deleteGroupOptionActionPerformed);
+        removeFacultyOption.addActionListener(this::removeFacultyOptionActionPerformed);
+
+        facultyMenu.add(showAllFacultiesOption);
         facultyMenu.add(showParticularFacultyOption);
         facultyMenu.add(facultySeparator);
-
-        addFacultyOption.setText("Add Faculty");
-        addFacultyOption.addActionListener(this::addFacultyOptionActionPerformed);
         facultyMenu.add(addFacultyOption);
-
-        editFacultyOption.setText("Edit Faculty");
-        editFacultyOption.addActionListener(this::editFacultyOptionActionPerformed);
         facultyMenu.add(editFacultyOption);
-
-        removeFacultyOption.setText("Remove Faculty");
-        removeFacultyOption.addActionListener(this::removeFacultyOptionActionPerformed);
         facultyMenu.add(removeFacultyOption);
 
+
         menuBar.add(facultyMenu);
 
         setJMenuBar(menuBar);
@@ -187,16 +177,39 @@ public class StudentManagementGUI extends JFrame {
         getContentPane().setLayout(layout);
         layout.setHorizontalGroup(
             layout.createParallelGroup(GroupLayout.Alignment.LEADING)
-            .addComponent(mainTextLabel, GroupLayout.DEFAULT_SIZE, 1280, Short.MAX_VALUE)
+            .addComponent(mainTextLabel, GroupLayout.DEFAULT_SIZE, 1280, Short.MAX_VALUE));
-        );
         layout.setVerticalGroup(
             layout.createParallelGroup(GroupLayout.Alignment.LEADING)
-            .addComponent(mainTextLabel, GroupLayout.DEFAULT_SIZE, 697, Short.MAX_VALUE)
+            .addComponent(mainTextLabel, GroupLayout.DEFAULT_SIZE, 697, Short.MAX_VALUE));
-        );
-
         pack();
     }
 
+    private void showAllStudentsOptionActionPerformed(ActionEvent actionEvent) {
+        if (checkStudent() && checkGroup() && checkFaculty()) {
+            StringBuilder builder = new StringBuilder();
+            for (Student st : sv.getFm().getGm().getSm().getStudents()) {
+                builder.append(st.getFullname()).append("\n");
+            }
+            mainTextLabel.setText(builder.toString());
+        }
+    }
+
+    private void showAllGroupsOptionActionPerformed(ActionEvent actionEvent) {
+        if (checkGroup() && checkFaculty()) {
+            StringBuilder builder = new StringBuilder();
+            for (Group gr : sv.getFm().getGm().getGroups())
+                builder.append(gr.getName()).append("\n");
+            mainTextLabel.setText(builder.toString());
+        }
+    }
+
+    private void deleteGroupOptionActionPerformed(ActionEvent actionEvent) {
+        if (checkGroup() && checkFaculty()) {
+            DeleteGroupForm form = new DeleteGroupForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
+    }
+
     private void loadBatchOptionActionPerformed(ActionEvent evt) {
 
     }
@@ -206,8 +219,7 @@ public class StudentManagementGUI extends JFrame {
                 StudentManagementGUI.this,
                 "Are you sure you want to exit?",
                 "Confirmation",
-                JOptionPane.YES_NO_OPTION
+                JOptionPane.YES_NO_OPTION);
-        );
 
         if (result == JOptionPane.YES_OPTION) {
             DataSerializer.serialize(sv);
@@ -216,11 +228,13 @@ public class StudentManagementGUI extends JFrame {
     }
 
     private void showAllFacultiesOptionActionPerformed(ActionEvent evt) {
-        StringBuilder builder = new StringBuilder();
+        if (checkFaculty()) {
-        for (Faculty fc : sv.getFm().getFaculties()) {
+            StringBuilder builder = new StringBuilder();
-            builder.append(fc.getName()).append(" ").append(fc.getAbbreviation()).append(" ").append(fc.getField().getName());
+            for (Faculty fc : sv.getFm().getFaculties()) {
+                builder.append(fc.getName()).append(" ").append(fc.getAbbreviation()).append(" ").append(fc.getField().getName());
+            }
+            mainTextLabel.setText(builder.toString());
         }
-        mainTextLabel.setText(builder.toString());
     }
 
     private void saveAsOptionActionPerformed(ActionEvent evt) {
@@ -228,8 +242,10 @@ public class StudentManagementGUI extends JFrame {
     }
 
     private void showParticularGroupOptionActionPerformed(ActionEvent evt) {
-        ShowGroupForm form = new ShowGroupForm(sv, mainTextLabel);
+        if (checkGroup() && checkFaculty()) {
-        form.setVisible(true);
+            ShowGroupForm form = new ShowGroupForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void addFacultyOptionActionPerformed(ActionEvent evt) {
@@ -238,57 +254,103 @@ public class StudentManagementGUI extends JFrame {
     }
 
     private void addStudentOptionActionPerformed(ActionEvent evt) {
-        AddStudentForm form = new AddStudentForm(sv, mainTextLabel);
+        if (checkGroup() && checkFaculty()) {
-        form.setVisible(true);
+            AddStudentForm form = new AddStudentForm(sv);
+            form.setVisible(true);
+        }
     }
 
     private void gradeStudentOptionActionPerformed(ActionEvent evt) {
-        GradeStudentForm form = new GradeStudentForm(sv, mainTextLabel);
+        if (checkStudent() && checkGroup() && checkFaculty()) {
-        form.setVisible(true);
+            GradeStudentForm form = new GradeStudentForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void editStudentOptionActionPerformed(ActionEvent evt) {
-        EditStudentForm form = new EditStudentForm(sv, mainTextLabel);
+        if (checkStudent() && checkGroup() && checkFaculty()) {
-        form.setVisible(true);
+            EditStudentForm form = new EditStudentForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void deleteStudentOptionActionPerformed(ActionEvent evt) {
-        DeleteStudentForm form = new DeleteStudentForm(sv, mainTextLabel);
+        if (checkStudent() && checkGroup() && checkFaculty()) {
-        form.setVisible(true);
+            DeleteStudentForm form = new DeleteStudentForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void showStudentGradeActionPerformed(ActionEvent evt) {
-        ShowStudentGradesForm form = new ShowStudentGradesForm(sv, mainTextLabel);
+        if (checkStudent() && checkGroup() && checkFaculty()) {
-        form.setVisible(true);
+            ShowStudentGradesForm form = new ShowStudentGradesForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void showParticularStudentOptionActionPerformed(ActionEvent evt) {
-        ShowStudentForm form = new ShowStudentForm(sv, mainTextLabel);
+        if (checkStudent() && checkGroup() && checkFaculty()) {
-        form.setVisible(true);
+            ShowStudentForm form = new ShowStudentForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void addGroupOptionActionPerformed(ActionEvent evt) {
-        AddGroupForm form = new AddGroupForm(sv, mainTextLabel);
+        if (checkFaculty()) {
-        form.setVisible(true);
+            AddGroupForm form = new AddGroupForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void editGroupOptionActionPerformed(ActionEvent evt) {
-        EditGroupForm form = new EditGroupForm(sv, mainTextLabel);
+        if (checkGroup() && checkFaculty()) {
-        form.setVisible(true);
+            EditGroupForm form = new EditGroupForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void showParticularFacultyOptionActionPerformed(ActionEvent evt) {
-        ShowFacultyForm form = new ShowFacultyForm(sv, mainTextLabel);
+        if (checkFaculty()) {
-        form.setVisible(true);
+            ShowFacultyForm form = new ShowFacultyForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void editFacultyOptionActionPerformed(ActionEvent evt) {
-        EditFacultyForm form = new EditFacultyForm(sv, mainTextLabel);
+        if (checkFaculty()) {
-        form.setVisible(true);
+            EditFacultyForm form = new EditFacultyForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
     }
 
     private void removeFacultyOptionActionPerformed(ActionEvent evt) {
-        RemoveFacultyForm form = new RemoveFacultyForm(sv, mainTextLabel);
+        if (checkFaculty()) {
-        form.setVisible(true);
+            RemoveFacultyForm form = new RemoveFacultyForm(sv, mainTextLabel);
+            form.setVisible(true);
+        }
+    }
+
+    private boolean checkFaculty() {
+        if (sv.getFm().getFaculties().isEmpty()) {
+            JOptionPane.showMessageDialog(null, "Configure a faculty!", "Warning!", JOptionPane.INFORMATION_MESSAGE, null);
+            return false;
+        }
+        return true;
+    }
+
+    private boolean checkGroup() {
+        if (sv.getFm().getGm().getGroups().isEmpty()) {
+            JOptionPane.showMessageDialog(null, "Configure a group!", "Warning!", JOptionPane.INFORMATION_MESSAGE, null);
+            return false;
+        }
+        return true;
+    }
+
+    private boolean checkStudent() {
+        if (sv.getFm().getGm().getSm().getStudents().isEmpty()) {
+            JOptionPane.showMessageDialog(null, "No students in database!", "Warning!", JOptionPane.INFORMATION_MESSAGE, null);
+            return false;
+        }
+        return true;
     }
 }

Lab2/src/main/java/org/lumijiez/gui/forms/faculty/AddFacultyForm.java

@@ -13,16 +13,16 @@ import javax.swing.text.Style;
 public class AddFacultyForm extends JFrame {
     private final Supervisor sv;
     private final JLabel mainTextLabel;
+    private final JLabel titleLabel = new JLabel();
+    private final JComboBox<String> specialtyCombo = new JComboBox<>();
+    private final JTextField nameField = new JTextField();
+    private final JButton submitButton = new JButton();
+    private final JButton cancelButton = new JButton();
+    private final JLabel nameLabel = new JLabel();
+    private final JTextField abbreviationField = new JTextField();
+    private final JLabel abbreviationLabel = new JLabel();
+    private final JLabel specialtyLabel = new JLabel();
 
-    private JLabel titleLabel = new JLabel();
-    private JComboBox<String> specialtyCombo = new JComboBox<>();
-    private JTextField nameField = new JTextField();
-    private JButton submitButton = new JButton();
-    private JButton cancelButton = new JButton();
-    private JLabel nameLabel = new JLabel();
-    private JTextField abbreviationField = new JTextField();
-    private JLabel abbreviationLabel = new JLabel();
-    private JLabel specialtyLabel = new JLabel();
     public AddFacultyForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
@@ -33,8 +33,16 @@ public class AddFacultyForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18));
+
         titleLabel.setText("Add a new faculty");
+        nameField.setText("Name...");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+        nameLabel.setText("Name:");
+        abbreviationField.setText("Abbreviation...");
+        abbreviationLabel.setText("Abbreviation:");
+        specialtyLabel.setText("Specialty Field:");
 
         String[] enumList = new String[StudyField.getAllEnums().size()];
         List<StudyField> sfl = StudyField.getAllEnums();
@@ -42,26 +50,13 @@ public class AddFacultyForm extends JFrame {
             enumList[i] = sfl.get(i).getName();
 
         specialtyCombo.setModel(new DefaultComboBoxModel<>(enumList));
-        specialtyCombo.addActionListener(this::specialtyComboActionPerformed);
-
-        nameField.setText("Name...");
-
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        specialtyCombo.addActionListener(this::specialtyComboActionPerformed);
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        nameLabel.setText("Name:");
-
-        abbreviationField.setText("Abbreviation...");
-
-        abbreviationLabel.setText("Abbreviation:");
-
-        specialtyLabel.setText("Specialty Field:");
-
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
         layout.setHorizontalGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
@@ -91,6 +86,7 @@ public class AddFacultyForm extends JFrame {
                         .addGap(0, 0, Short.MAX_VALUE)
                         .addComponent(titleLabel)
                         .addGap(149, 149, 149)));
+
         layout.setVerticalGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                 .addGroup(layout.createSequentialGroup()
                         .addGap(7, 7, 7)
@@ -110,7 +106,6 @@ public class AddFacultyForm extends JFrame {
                                 .addComponent(cancelButton)
                                 .addComponent(submitButton))
                         .addContainerGap(24, Short.MAX_VALUE)));
-
         pack();
     }
 
@@ -119,12 +114,12 @@ public class AddFacultyForm extends JFrame {
         String abbreviation = abbreviationField.getText();
         StudyField specialty = StudyField.getEnum(Objects.requireNonNull(specialtyCombo.getSelectedItem()).toString());
         Faculty newFaculty = new Faculty(name, abbreviation, specialty);
-        sv.getFm().addFaculty(newFaculty);
+        sv.addFaculty(newFaculty);
+        this.dispose();
     }
 
     private void specialtyComboActionPerformed(ActionEvent evt) {
         abbreviationField.setText(StudyField.getAbbrevFromString(Objects.requireNonNull(specialtyCombo.getSelectedItem()).toString()));
-        this.dispose();
     }
 
     private void cancelButtonActionPerformed(ActionEvent evt) {

Lab2/src/main/java/org/lumijiez/gui/forms/faculty/EditFacultyForm.java

@@ -4,74 +4,81 @@
  */
 package org.lumijiez.gui.forms.faculty;
 
+import org.lumijiez.base.Faculty;
+import org.lumijiez.enums.StudyField;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
+import java.util.Arrays;
+import java.util.Objects;
 
 public class EditFacultyForm extends JFrame {
-
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JTextField abbreviationField;
+    private final JTextField abbreviationField = new JTextField();
-    private JLabel abbreviationLabel;
+    private final JLabel abbreviationLabel = new JLabel();
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> facultyCombo;
+    private final JLabel facultyLabel = new JLabel();
-    private JLabel facultyLabel;
+    private final JTextField nameField = new JTextField();
-    private JTextField nameField;
+    private final JLabel nameLabel = new JLabel();
-    private JLabel nameLabel;
+    private final JLabel specialtyLabel = new JLabel();
-    private JComboBox<String> specialtyCombo;
+    private final JButton submitButton = new JButton();
-    private JLabel specialtyLabel;
+    private final JLabel titleLabel = new JLabel();
-    private JButton submitButton;
+    private final JComboBox<Faculty> facultyCombo;
-    private JLabel titleLabel;
+    private final JComboBox<StudyField> specialtyCombo;
+
     public EditFacultyForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
+        specialtyCombo = new JComboBox<>(StudyField.getAllEnums().toArray(new StudyField[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        nameLabel = new JLabel();
-        nameField = new JTextField();
-        facultyCombo = new JComboBox<>();
-        facultyLabel = new JLabel();
-        abbreviationLabel = new JLabel();
-        abbreviationField = new JTextField();
-        specialtyCombo = new JComboBox<>();
-        specialtyLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
         titleLabel.setText("Edit a faculty");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+        nameLabel.setText("New name:");
+        nameField.setText("Name...");
+        facultyLabel.setText("Faculty:");
+        abbreviationLabel.setText("New abbreviation:");
+        abbreviationField.setText("Abbreviation...");
+        specialtyLabel.setText("New specialty:");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
+        submitButton.addActionListener(this::submitButtonActionPerformed);
+        specialtyCombo.addActionListener(this::specialtyComboActionPerformed);
+        facultyCombo.addActionListener(this::facultyComboActionPerformed);
 
-        nameLabel.setText("New name:");
+        specialtyCombo.setSelectedItem(((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem())).getField());
 
-        nameField.setText("Name...");
+        facultyCombo.setRenderer(new DefaultListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Faculty)
+                    setText(((Faculty) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
-        facultyCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        specialtyCombo.setRenderer(new DefaultListCellRenderer() {
-
+            @Override
-        facultyLabel.setText("Faculty:");
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
-
+                if (value instanceof StudyField)
-        abbreviationLabel.setText("New abbreviation:");
+                    setText(((StudyField) value).getName());
-
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
-        abbreviationField.setText("Abbreviation...");
+            }
-
+        });
-        specialtyCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
-
-        specialtyLabel.setText("New specialty:");
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -102,8 +109,8 @@ public class EditFacultyForm extends JFrame {
                                                                                         .addGap(18, 18, 18)
                                                                                         .addComponent(submitButton)))
                                                                         .addComponent(nameLabel))))))
-                                .addContainerGap(24, Short.MAX_VALUE))
+                                .addContainerGap(24, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -129,13 +136,22 @@ public class EditFacultyForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addGap(14, 14, 14))
+                                .addGap(14, 14, 14)));
-        );
-
         pack();
     }
 
+    private void facultyComboActionPerformed(ActionEvent actionEvent) {
+        specialtyCombo.setSelectedItem(((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem())).getField());
+    }
+
+    private void specialtyComboActionPerformed(ActionEvent actionEvent) {
+        abbreviationField.setText(((StudyField) Objects.requireNonNull(specialtyCombo.getSelectedItem())).getAbbreviation());
+    }
+
     private void submitButtonActionPerformed(ActionEvent evt) {
+        ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem())).setName(nameField.getText());
+        ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem())).setAbbreviation(abbreviationField.getText());
+        ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem())).setField(((StudyField) Objects.requireNonNull(specialtyCombo.getSelectedItem())));
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/faculty/RemoveFacultyForm.java

@@ -4,50 +4,55 @@
  */
 package org.lumijiez.gui.forms.faculty;
 
+import org.lumijiez.base.Faculty;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 
 public class RemoveFacultyForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> facultyCombo;
+    private final JComboBox<Faculty> facultyCombo;
-    private JLabel facultyLabel;
+    private final JLabel facultyLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
+
     public RemoveFacultyForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        this.facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        facultyCombo = new JComboBox<>();
-        facultyLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+
         titleLabel.setText("Remove a faculty");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+        facultyLabel.setText("Faculty:");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        facultyCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        facultyCombo.setRenderer(new DefaultListCellRenderer() {
-
+            @Override
-        facultyLabel.setText("Faculty:");
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Faculty)
+                    setText(((Faculty) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -67,8 +72,8 @@ public class RemoveFacultyForm extends JFrame {
                         .addGroup(GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                                 .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                 .addComponent(titleLabel)
-                                .addGap(48, 48, 48))
+                                .addGap(48, 48, 48)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -82,13 +87,12 @@ public class RemoveFacultyForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(21, Short.MAX_VALUE))
+                                .addContainerGap(21, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
+        sv.deleteFaculty(((Faculty)facultyCombo.getSelectedItem()));
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/faculty/ShowFacultyForm.java

@@ -4,50 +4,57 @@
  */
 package org.lumijiez.gui.forms.faculty;
 
+import org.lumijiez.base.Faculty;
+import org.lumijiez.base.Group;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 
 public class ShowFacultyForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> facultyCombo;
+    private final JComboBox<Faculty> facultyCombo;
-    private JLabel facultyLabel;
+    private final JLabel facultyLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
+
     public ShowFacultyForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        this.facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        facultyCombo = new JComboBox<>();
-        facultyLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+
         titleLabel.setText("Show a faculty");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+        facultyLabel.setText("Faculty:");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
+        facultyCombo.addActionListener(this::facultyComboActionPerformed);
 
-        facultyCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        facultyCombo.setRenderer(new DefaultListCellRenderer() {
-
+            @Override
-        facultyLabel.setText("Faculty:");
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Faculty)
+                    setText(((Faculty) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -68,8 +75,8 @@ public class ShowFacultyForm extends JFrame {
                                                                         .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                                                         .addComponent(submitButton))
                                                                 .addComponent(facultyCombo, GroupLayout.Alignment.LEADING, GroupLayout.PREFERRED_SIZE, 171, GroupLayout.PREFERRED_SIZE)))))
-                                .addContainerGap(27, Short.MAX_VALUE))
+                                .addContainerGap(27, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -83,13 +90,23 @@ public class ShowFacultyForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(24, Short.MAX_VALUE))
+                                .addContainerGap(24, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 
+    private void facultyComboActionPerformed(ActionEvent actionEvent) {
+    }
+
     private void submitButtonActionPerformed(ActionEvent evt) {
+        StringBuilder builder = new StringBuilder();
+        Faculty fac = (Faculty) facultyCombo.getSelectedItem();
+        assert fac != null;
+        builder.append("Name: ").append(fac.getName()).append("\n");
+        builder.append("Specialty: ").append(fac.getField()).append("\n");
+        builder.append("Groups: ").append("\n");
+        for (Group gr : fac.getGroups())
+            builder.append(gr.getName()).append("\n");
+        mainTextLabel.setText(builder.toString());
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/group/AddGroupForm.java

@@ -4,50 +4,59 @@
  */
 package org.lumijiez.gui.forms.group;
 
+import org.lumijiez.base.Faculty;
+import org.lumijiez.base.Group;
 import org.lumijiez.managers.Supervisor;
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
+import java.util.Objects;
 
 public class AddGroupForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
+    private final JLabel titleLabel = new JLabel();
+    private final JTextField nameField = new JTextField();
+    private final JButton submitButton = new JButton();
+    private final JButton cancelButton = new JButton();
+    private final JLabel nameLabel = new JLabel();
+    private final JComboBox<Faculty> facultyCombo;
+    private final JLabel facultyLabel = new JLabel();
 
     public AddGroupForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        this.facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
         initComponents();
     }
     private void initComponents() {
 
-        JLabel titleLabel = new JLabel();
-        JTextField nameField = new JTextField();
-        JButton submitButton = new JButton();
-        JButton cancelButton = new JButton();
-        JLabel nameLabel = new JLabel();
-        JComboBox<String> facultyCombo = new JComboBox<>();
-        JLabel facultyLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
-        titleLabel.setText("Add a new group");
 
+        titleLabel.setText("Add a new group");
         nameField.setText("Name...");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+        nameLabel.setText("Name:");
+        facultyLabel.setText("Faculty:");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        nameLabel.setText("Name:");
+        facultyCombo.setRenderer(new DefaultListCellRenderer() {
-
+            @Override
-        facultyCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
-
+                if (value instanceof Faculty)
-        facultyLabel.setText("Faculty:");
+                    setText(((Faculty) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -71,8 +80,8 @@ public class AddGroupForm extends JFrame {
                                         .addGroup(layout.createSequentialGroup()
                                                 .addGap(38, 38, 38)
                                                 .addComponent(titleLabel)))
-                                .addContainerGap(29, Short.MAX_VALUE))
+                                .addContainerGap(29, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -90,13 +99,14 @@ public class AddGroupForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addGap(15, 15, 15))
+                                .addGap(15, 15, 15)));
-        );
-
         pack();
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
+        Group gr = new Group(nameField.getText());
+        Faculty fac = ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem()));
+        sv.addGroup(gr, fac);
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/group/DeleteGroupForm.java

@@ -4,49 +4,55 @@
  */
 package org.lumijiez.gui.forms.group;
 
+import org.lumijiez.base.Faculty;
+import org.lumijiez.base.Group;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 
 public class DeleteGroupForm extends JFrame {
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> groupCombo;
+    private final JComboBox<Group> groupCombo;
-    private JLabel groupLabel;
+    private final JLabel groupLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
+
     public DeleteGroupForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        this.groupCombo = new JComboBox<>(sv.getFm().getGm().getGroups().toArray(new Group[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        groupCombo = new JComboBox<>();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        groupLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
-        titleLabel.setText("Delete a group");
 
-        groupCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        titleLabel.setText("Delete a group");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+        groupLabel.setText("Group:");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        groupLabel.setText("Group:");
+        groupCombo.setRenderer(new DefaultListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Group)
+                    setText(((Group) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -67,8 +73,8 @@ public class DeleteGroupForm extends JFrame {
                                         .addGroup(layout.createSequentialGroup()
                                                 .addGap(54, 54, 54)
                                                 .addComponent(titleLabel)))
-                                .addContainerGap(29, Short.MAX_VALUE))
+                                .addContainerGap(29, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -82,13 +88,12 @@ public class DeleteGroupForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(18, Short.MAX_VALUE))
+                                .addContainerGap(18, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
+        sv.deleteGroup(((Group)groupCombo.getSelectedItem()));
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/group/EditGroupForm.java

@@ -4,66 +4,73 @@
  */
 package org.lumijiez.gui.forms.group;
 
+import org.lumijiez.base.Faculty;
+import org.lumijiez.base.Group;
+import org.lumijiez.enums.StudyField;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
+import java.util.Objects;
 
 public class EditGroupForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> facultyCombo;
+    private final JComboBox<Faculty> facultyCombo;
-    private JLabel facultyLabel;
+    private final JLabel facultyLabel = new JLabel();
-    private JComboBox<String> groupCombo;
+    private final JComboBox<Group> groupCombo;
-    private JLabel groupLabel;
+    private final JLabel groupLabel = new JLabel();
-    private JTextField nameField;
+    private final JTextField nameField = new JTextField();
-    private JLabel nameLabel;
+    private final JLabel nameLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
     public EditGroupForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        this.facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
+        this.groupCombo = new JComboBox<>(sv.getFm().getGm().getGroups().toArray(new Group[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        groupCombo = new JComboBox<>();
-        nameField = new JTextField();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        nameLabel = new JLabel();
-        facultyCombo = new JComboBox<>();
-        groupLabel = new JLabel();
-        facultyLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
         titleLabel.setText("Edit a group");
-
-        groupCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
-
         nameField.setText("Name...");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+        nameLabel.setText("New name:");
+        groupLabel.setText("Group:");
+        facultyLabel.setText("Faculty:");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        nameLabel.setText("New name:");
+        facultyCombo.setRenderer(new DefaultListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Faculty)
+                    setText(((Faculty) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
-        facultyCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        groupCombo.setRenderer(new DefaultListCellRenderer() {
-
+            @Override
-        groupLabel.setText("Group:");
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
-
+                if (value instanceof Group)
-        facultyLabel.setText("Faculty:");
+                    setText(((Group) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -91,8 +98,8 @@ public class EditGroupForm extends JFrame {
                                                         .addComponent(facultyLabel)
                                                         .addComponent(facultyCombo, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                                                         .addComponent(submitButton))))
-                                .addContainerGap(34, Short.MAX_VALUE))
+                                .addContainerGap(34, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -116,13 +123,14 @@ public class EditGroupForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(36, Short.MAX_VALUE))
+                                .addContainerGap(36, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
+        Faculty fac = ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem()));
+        Group gr = (Group) Objects.requireNonNull(groupCombo.getSelectedItem());
+        sv.editGroup(gr, nameField.getText(), fac);
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/group/ShowGroupForm.java

@@ -4,51 +4,56 @@
  */
 package org.lumijiez.gui.forms.group;
 
+import org.lumijiez.base.Group;
+import org.lumijiez.base.Student;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
+import java.util.Objects;
 
 
 public class ShowGroupForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> groupCombo;
+    private final JComboBox<Group> groupCombo;
-    private JLabel groupLabel;
+    private final JLabel groupLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
     public ShowGroupForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        this.groupCombo = new JComboBox<>(sv.getFm().getGm().getGroups().toArray(new Group[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        groupCombo = new JComboBox<>();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        groupLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
         titleLabel.setText("Show a group");
-
+        groupLabel.setText("Group:");
-        groupCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        cancelButton.setText("Cancel");
+        submitButton.setText("Submit");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        groupLabel.setText("Group:");
+        groupCombo.setRenderer(new DefaultListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Group)
+                    setText(((Group) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -69,8 +74,8 @@ public class ShowGroupForm extends JFrame {
                                         .addGroup(layout.createSequentialGroup()
                                                 .addGap(47, 47, 47)
                                                 .addComponent(titleLabel)))
-                                .addContainerGap(24, Short.MAX_VALUE))
+                                .addContainerGap(24, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -84,13 +89,18 @@ public class ShowGroupForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(25, Short.MAX_VALUE))
+                                .addContainerGap(25, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
+        StringBuilder builder = new StringBuilder();
+        Group gr = (Group) Objects.requireNonNull(groupCombo.getSelectedItem());
+        builder.append(gr.getName()).append(" ").append(gr.getFaculty().getName()).append(" \n");
+        for (Student st : gr.getStudents()) {
+            builder.append(st.getFullname()).append("\n");
+        }
+        mainTextLabel.setText(builder.toString());
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/student/AddStudentForm.java

@@ -4,58 +4,77 @@
  */
 package org.lumijiez.gui.forms.student;
 
+import org.lumijiez.base.Faculty;
+import org.lumijiez.base.Group;
 import org.lumijiez.managers.Supervisor;
-import org.lumijiez.util.FullStudentData;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
+import java.util.Date;
+import java.util.Objects;
 
 public class AddStudentForm extends JFrame {
 
     private final Supervisor sv;
-    private final JLabel mainTextLabel;
+    private final JLabel titleLabel = new JLabel();
-    private JButton cancelButton;
+    private final JComboBox<Group> groupCombo;
-    private JTextField emailField;
+    private final JTextField nameField = new javax.swing.JTextField();
-    private JLabel emailLabel;
+    private final JButton submitButton = new javax.swing.JButton();
-    private JComboBox<String> facultyCombo;
+    private final JButton cancelButton = new javax.swing.JButton();
-    private JLabel facultyLabel;
+    private final JLabel nameLabel = new javax.swing.JLabel();
-    private JComboBox<String> groupCombo;
+    private final JTextField surnameField = new javax.swing.JTextField();
-    private JLabel groupLabel;
+    private final JTextField emailField = new javax.swing.JTextField();
-    private JTextField nameField;
+    private final JLabel surnameLabel = new javax.swing.JLabel();
-    private JLabel nameLabel;
+    private final JLabel emailLabel = new javax.swing.JLabel();
-    private JButton submitButton;
+    private final JComboBox<Faculty> facultyCombo;
-    private JTextField surnameField;
+    private final JLabel groupLabel = new javax.swing.JLabel();
-    private JLabel surnameLabel;
+    private final JLabel facultyLabel = new javax.swing.JLabel();
-    private JLabel titleLabel;
+    private final JTextField birthYearField = new javax.swing.JTextField();
-
+    private final JTextField birthDayField = new javax.swing.JTextField();
-    public AddStudentForm(Supervisor sv, JLabel mainTextLabel) {
+    private final JTextField birthMonthField = new javax.swing.JTextField();
+    private final JLabel surnameLabel1 = new javax.swing.JLabel();
+    private final JLabel birthDayLabel = new javax.swing.JLabel();
+    private final JLabel birthMonthLabel = new javax.swing.JLabel();
+    private final JLabel enrolDayLabel = new javax.swing.JLabel();
+    private final JTextField enrolDayField = new javax.swing.JTextField();
+    private final JTextField enrolMonthField = new javax.swing.JTextField();
+    private final JLabel enrolMonthLabel = new javax.swing.JLabel();
+    private final JTextField enrolYearField = new javax.swing.JTextField();
+    private final JLabel enrolYearLabel = new javax.swing.JLabel();
+    public AddStudentForm(Supervisor sv) {
         this.sv = sv;
-        this.mainTextLabel = mainTextLabel;
+        facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
+        groupCombo = new JComboBox<>(sv.getFm().getGm().getGroups().toArray(new Group[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        groupCombo = new JComboBox<>();
-        nameField = new JTextField();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        nameLabel = new JLabel();
-        surnameField = new JTextField();
-        emailField = new JTextField();
-        surnameLabel = new JLabel();
-        emailLabel = new JLabel();
-        facultyCombo = new JComboBox<>();
-        groupLabel = new JLabel();
-        facultyLabel = new JLabel();
 
-        setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
+
+        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
         titleLabel.setText("Add a new student");
 
-        groupCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        facultyCombo.setRenderer(new DefaultListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Faculty)
+                    setText(((Faculty) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
+
+        groupCombo.setRenderer(new DefaultListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Group)
+                    setText(((Group) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
         nameField.setText("Name...");
 
@@ -65,7 +84,6 @@ public class AddStudentForm extends JFrame {
 
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
         cancelButton.setText("Cancel");
-        cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
         nameLabel.setText("Name:");
 
@@ -77,18 +95,40 @@ public class AddStudentForm extends JFrame {
 
         emailLabel.setText("Email:");
 
-        facultyCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
-
         groupLabel.setText("Group:");
 
         facultyLabel.setText("Faculty:");
 
-        GroupLayout layout = new GroupLayout(getContentPane());
+        birthYearField.setText("Surname...");
+
+        birthDayField.setText("Surname...");
+
+        birthMonthField.setText("Surname...");
+
+        surnameLabel1.setText("Year of Birth:");
+
+        birthDayLabel.setText("Day of Birth:");
+
+        birthMonthLabel.setText("Month of Birth:");
+
+        enrolDayLabel.setText("Day of Enrollment:");
+
+        enrolDayField.setText("Surname...");
+
+        enrolMonthField.setText("Surname...");
+
+        enrolMonthLabel.setText("Month of Enrollment:");
+
+        enrolYearField.setText("Surname...");
+
+        enrolYearLabel.setText("Year of Enrollment:");
+
+        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
         layout.setHorizontalGroup(
-                layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                        .addGroup(GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
+                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
-                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                         .addGroup(layout.createSequentialGroup()
                                                 .addGap(132, 132, 132)
                                                 .addComponent(titleLabel))
@@ -97,88 +137,144 @@ public class AddStudentForm extends JFrame {
                                                 .addComponent(surnameLabel)
                                                 .addGap(142, 142, 142)
                                                 .addComponent(emailLabel)))
-                                .addGap(69, 138, Short.MAX_VALUE))
+                                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                         .addGroup(layout.createSequentialGroup()
                                 .addGap(21, 21, 21)
-                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                                        .addComponent(surnameField, GroupLayout.DEFAULT_SIZE, 178, Short.MAX_VALUE)
-                                        .addComponent(nameField)
                                         .addGroup(layout.createSequentialGroup()
-                                                .addGap(5, 5, 5)
+                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
-                                                .addComponent(nameLabel)))
+                                                        .addComponent(surnameField, javax.swing.GroupLayout.DEFAULT_SIZE, 184, Short.MAX_VALUE)
-                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                                                        .addComponent(nameField)
-                                        .addGroup(GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
+                                                        .addGroup(layout.createSequentialGroup()
-                                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                                                                .addGap(5, 5, 5)
-                                                .addComponent(groupLabel)
+                                                                .addComponent(nameLabel))
-                                                .addGap(67, 67, 67)
+                                                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
-                                                .addComponent(facultyLabel)
+                                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                                                .addGap(51, 51, 51))
+                                                                        .addComponent(birthDayField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                                                                        .addComponent(birthDayLabel))
+                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
+                                                                        .addComponent(birthMonthLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                                                                        .addComponent(birthMonthField))))
+                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                                                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
+                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                                                                .addComponent(groupLabel)
+                                                                .addGap(67, 67, 67)
+                                                                .addComponent(facultyLabel)
+                                                                .addGap(51, 51, 51))
+                                                        .addGroup(layout.createSequentialGroup()
+                                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                                                                        .addGroup(layout.createSequentialGroup()
+                                                                                .addGap(18, 18, 18)
+                                                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
+                                                                                        .addGroup(layout.createSequentialGroup()
+                                                                                                .addComponent(groupCombo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                                                                                                .addGap(34, 34, 34)
+                                                                                                .addComponent(facultyCombo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
+                                                                                        .addComponent(emailField, javax.swing.GroupLayout.PREFERRED_SIZE, 178, javax.swing.GroupLayout.PREFERRED_SIZE)
+                                                                                        .addGroup(layout.createSequentialGroup()
+                                                                                                .addComponent(cancelButton)
+                                                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                                                                                                .addComponent(submitButton))))
+                                                                        .addGroup(layout.createSequentialGroup()
+                                                                                .addGap(32, 32, 32)
+                                                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                                                                                        .addComponent(surnameLabel1)
+                                                                                        .addComponent(birthYearField, javax.swing.GroupLayout.PREFERRED_SIZE, 94, javax.swing.GroupLayout.PREFERRED_SIZE))))
+                                                                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
                                         .addGroup(layout.createSequentialGroup()
-                                                .addGap(18, 18, 18)
+                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
-                                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING, false)
+                                                        .addComponent(enrolDayLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                                                        .addComponent(enrolDayField))
+                                                .addGap(29, 29, 29)
+                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                                         .addGroup(layout.createSequentialGroup()
-                                                                .addComponent(cancelButton)
+                                                                .addComponent(enrolMonthLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                                                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED))
-                                                                .addComponent(submitButton))
                                                         .addGroup(layout.createSequentialGroup()
-                                                                .addComponent(groupCombo, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
+                                                                .addComponent(enrolMonthField, javax.swing.GroupLayout.DEFAULT_SIZE, 91, Short.MAX_VALUE)
-                                                                .addGap(34, 34, 34)
+                                                                .addGap(55, 55, 55)))
-                                                                .addComponent(facultyCombo, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
+                                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                                                        .addComponent(emailField, GroupLayout.PREFERRED_SIZE, 178, GroupLayout.PREFERRED_SIZE))
+                                                        .addGroup(layout.createSequentialGroup()
-                                                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
+                                                                .addComponent(enrolYearField, javax.swing.GroupLayout.DEFAULT_SIZE, 91, Short.MAX_VALUE)
+                                                                .addGap(43, 43, 43))
+                                                        .addGroup(layout.createSequentialGroup()
+                                                                .addComponent(enrolYearLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                                                                .addContainerGap())))))
         );
         layout.setVerticalGroup(
-                layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
                                 .addContainerGap()
                                 .addComponent(titleLabel)
                                 .addGap(13, 13, 13)
-                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                         .addComponent(nameLabel)
                                         .addComponent(groupLabel)
                                         .addComponent(facultyLabel))
                                 .addGap(3, 3, 3)
-                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
-                                        .addComponent(nameField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
+                                        .addComponent(nameField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
-                                        .addComponent(groupCombo, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
+                                        .addComponent(groupCombo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
-                                        .addComponent(facultyCombo, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
+                                        .addComponent(facultyCombo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
-                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                         .addGroup(layout.createSequentialGroup()
                                                 .addGap(11, 11, 11)
                                                 .addComponent(surnameLabel)
                                                 .addGap(5, 5, 5))
-                                        .addGroup(GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
+                                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
-                                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
+                                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                                 .addComponent(emailLabel)
                                                 .addGap(4, 4, 4)))
-                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
-                                        .addComponent(surnameField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
+                                        .addComponent(surnameField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
-                                        .addComponent(emailField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
+                                        .addComponent(emailField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
-                                .addGap(38, 38, 38)
+                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 11, Short.MAX_VALUE)
-                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                                        .addComponent(birthDayLabel)
+                                        .addComponent(birthMonthLabel)
+                                        .addComponent(surnameLabel1))
+                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                                        .addComponent(birthDayField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                                        .addComponent(birthMonthField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                                        .addComponent(birthYearField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
+                                .addGap(18, 18, 18)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                                        .addComponent(enrolDayLabel)
+                                        .addComponent(enrolMonthLabel)
+                                        .addComponent(enrolYearLabel))
+                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                                        .addComponent(enrolDayField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                                        .addComponent(enrolMonthField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
+                                        .addComponent(enrolYearField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
+                                .addGap(36, 36, 36)
+                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
+                                .addGap(21, 21, 21))
         );
 
         pack();
     }
-    private void cancelButtonActionPerformed(ActionEvent evt) {
-        this.dispose();
-    }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
         String name = nameField.getText();
         String surname = surnameField.getText();
-        FullStudentData data = new FullStudentData(name, surname, "group", "faculty");
+        Group group = (Group) Objects.requireNonNull(groupCombo.getSelectedItem());
-        if (!name.isEmpty() && !surname.isEmpty()) {
+        Faculty faculty = ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem()));
-            sv.getFm().getGm().getSm().addStudent(data, sv);
+        int birthYear = Integer.parseInt(birthYearField.getText());
-            mainTextLabel.setText("===== Students =====\n" + sv.getStudentsText());
+        int birthMonth = Integer.parseInt(birthMonthField.getText());
-            System.out.println(data);
+        int birthDay = Integer.parseInt(birthDayField.getText());
-            System.out.println("LOL");
+        int enrolYear = Integer.parseInt(enrolYearField.getText());
-            System.out.println(sv.getStudentsText());
+        int enrolMonth = Integer.parseInt(enrolMonthField.getText());
-            this.dispose();
+        int enrolDay = Integer.parseInt(enrolDayField.getText());
-        } else JOptionPane.showMessageDialog(this, "Please fill in all fields.");
+        Date birthDate = new Date(birthYear, birthMonth, birthDay);
+        Date enrolDate = new Date(enrolYear, enrolMonth, enrolDay);
+        sv.addStudent(name, surname, group, faculty, birthDate, enrolDate);
+        this.dispose();
     }
 
 }

Lab2/src/main/java/org/lumijiez/gui/forms/student/DeleteStudentForm.java

@@ -4,49 +4,55 @@
  */
 package org.lumijiez.gui.forms.student;
 
+import org.lumijiez.base.Student;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
+import java.util.Objects;
 
 public class DeleteStudentForm extends JFrame {
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> studentCombo;
+    private final JComboBox<Student> studentCombo;
-    private JLabel studentLabel;
+    private final JLabel studentLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
+
     public DeleteStudentForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        this.studentCombo = new JComboBox<>(sv.getFm().getGm().getSm().getStudents().toArray(new Student[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        studentCombo = new JComboBox<>();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        studentLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
         titleLabel.setText("Delete Student");
 
-        studentCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        studentCombo.setRenderer(new DefaultListCellRenderer() {
-
+            @Override
-        submitButton.setBackground(new java.awt.Color(204, 255, 204));
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
-        submitButton.setText("Submit");
+                if (value instanceof Student)
-        submitButton.addActionListener(this::submitButtonActionPerformed);
+                    setText(((Student) value).getName());
-
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
-        cancelButton.setBackground(new java.awt.Color(255, 204, 204));
+            }
-        cancelButton.setText("Cancel");
+        });
-        cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
         studentLabel.setText("Student:");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+
+        submitButton.setBackground(new java.awt.Color(204, 255, 204));
+        cancelButton.setBackground(new java.awt.Color(255, 204, 204));
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
+        cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -67,8 +73,8 @@ public class DeleteStudentForm extends JFrame {
                         .addGroup(GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                                 .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                 .addComponent(titleLabel)
-                                .addGap(51, 51, 51))
+                                .addGap(51, 51, 51)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -82,13 +88,13 @@ public class DeleteStudentForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(submitButton)
                                         .addComponent(cancelButton))
-                                .addContainerGap(26, Short.MAX_VALUE))
+                                .addContainerGap(26, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
+        Student student = ((Student) Objects.requireNonNull(studentCombo.getSelectedItem()));
+        sv.deleteStudent(student);
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/student/EditStudentForm.java

@@ -4,90 +4,97 @@
  */
 package org.lumijiez.gui.forms.student;
 
+import org.lumijiez.base.Faculty;
+import org.lumijiez.base.Group;
+import org.lumijiez.base.Student;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
+import java.util.Date;
+import java.util.Objects;
 
 public class EditStudentForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JTextField emailField;
+    private final JTextField emailField = new JTextField();
-    private JLabel emailLabel;
+    private final JLabel emailLabel = new JLabel();
-    private JComboBox<String> facultyCombo;
+    private final JComboBox<Faculty> facultyCombo;
-    private JLabel facultyLabel;
+    private final JLabel facultyLabel = new JLabel();
-    private JComboBox<String> groupCombo;
+    private final JComboBox<Group> groupCombo;
-    private JLabel groupLabel;
+    private final JLabel groupLabel = new JLabel();
-    private JTextField nameField;
+    private final JTextField nameField = new JTextField();
-    private JLabel nameLabel;
+    private final JLabel nameLabel = new JLabel();
-    private JComboBox<String> studentCombo;
+    private final JComboBox<Student> studentCombo;
-    private JLabel studentLabel;
+    private final JLabel studentLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JTextField surnameField;
+    private final JTextField surnameField = new JTextField();
-    private JLabel surnameLabel;
+    private final JLabel surnameLabel = new JLabel();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
+
     public EditStudentForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
         this.mainTextLabel = mainTextLabel;
+        this.facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
+        this.groupCombo = new JComboBox<>(sv.getFm().getGm().getGroups().toArray(new Group[0]));
+        this.studentCombo = new JComboBox<>(sv.getFm().getGm().getSm().getStudents().toArray(new Student[0]));
         initComponents();
     }
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        studentCombo = new JComboBox<>();
-        nameField = new JTextField();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        studentLabel = new JLabel();
-        surnameField = new JTextField();
-        emailField = new JTextField();
-        nameLabel = new JLabel();
-        emailLabel = new JLabel();
-        groupCombo = new JComboBox<>();
-        groupLabel = new JLabel();
-        facultyLabel = new JLabel();
-        surnameLabel = new JLabel();
-        facultyCombo = new JComboBox<>();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+
         titleLabel.setText("Edit a student");
-
-        studentCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
-
         nameField.setText("Name...");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
+        studentLabel.setText("Student:");
+        surnameField.setText("Surname...");
+        emailField.setText("Email...");
+        nameLabel.setText("New name:");
+        emailLabel.setText("New email:");
+        groupLabel.setText("New group:");
+        facultyLabel.setText("New faculty:");
+        surnameLabel.setText("New surname:");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
         submitButton.addActionListener(this::submitButtonActionPerformed);
 
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        studentLabel.setText("Student:");
+        facultyCombo.setRenderer(new DefaultListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Faculty)
+                    setText(((Faculty) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
-        surnameField.setText("Surname...");
+        groupCombo.setRenderer(new DefaultListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                if (value instanceof Group)
+                    setText(((Group) value).getName());
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+            }
+        });
 
-        emailField.setText("Email...");
+        studentCombo.setRenderer(new DefaultListCellRenderer() {
-
+            @Override
-        nameLabel.setText("New name:");
+            public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
-
+                if (value instanceof Student)
-        emailLabel.setText("New email:");
+                    setText(((Student) value).getName());
-
+                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
-        groupCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+            }
-
+        });
-        groupLabel.setText("New group:");
-
-        facultyLabel.setText("New faculty:");
-
-        surnameLabel.setText("New surname:");
-
-        facultyCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -128,8 +135,8 @@ public class EditStudentForm extends JFrame {
                                         .addGroup(layout.createSequentialGroup()
                                                 .addGap(162, 162, 162)
                                                 .addComponent(titleLabel)))
-                                .addContainerGap(24, Short.MAX_VALUE))
+                                .addContainerGap(24, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -160,13 +167,24 @@ public class EditStudentForm extends JFrame {
                                         .addComponent(surnameField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(24, Short.MAX_VALUE))
+                                .addContainerGap(24, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
+        String name = nameField.getText();
+        String surname = surnameField.getText();
+        Group group = (Group) Objects.requireNonNull(groupCombo.getSelectedItem());
+        Faculty faculty = ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem()));
+//        int birthYear = Integer.parseInt(birthYearField.getText());
+//        int birthMonth = Integer.parseInt(birthMonthField.getText());
+//        int birthDay = Integer.parseInt(birthDayField.getText());
+//        int enrolYear = Integer.parseInt(enrolYearField.getText());
+//        int enrolMonth = Integer.parseInt(enrolMonthField.getText());
+//        int enrolDay = Integer.parseInt(enrolDayField.getText());
+//        Date birthDate = new Date(birthYear, birthMonth, birthDay);
+//        Date enrolDate = new Date(enrolYear, enrolMonth, enrolDay);
+//        sv.addStudent(name, surname, group, faculty, birthDate, enrolDate);
         this.dispose();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/student/GradeStudentForm.java

@@ -13,15 +13,15 @@ public class GradeStudentForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JTextField gradeField;
+    private final JTextField gradeField = new JTextField();
-    private JLabel gradeLabel;
+    private final JLabel gradeLabel = new JLabel();
-    private JComboBox<String> studentCombo;
+    private final JComboBox<String> studentCombo = new JComboBox<>();
-    private JLabel studentLabel;
+    private final JLabel studentLabel = new JLabel();
-    private JComboBox<String> subjectCombo;
+    private final JComboBox<String> subjectCombo = new JComboBox<>();
-    private JLabel subjectLabel;
+    private final JLabel subjectLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
 
     public GradeStudentForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
@@ -31,41 +31,27 @@ public class GradeStudentForm extends JFrame {
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        studentCombo = new JComboBox<>();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        subjectLabel = new JLabel();
-        subjectCombo = new JComboBox<>();
-        studentLabel = new JLabel();
-        gradeField = new JTextField();
-        gradeLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18));
-        titleLabel.setText("Grade a student");
 
-        studentCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        titleLabel.setText("Grade a student");
+        studentLabel.setText("Student:");
+        subjectLabel.setText("Subject:");
+        gradeField.setText("Grade...");
+        submitButton.setText("Submit");
+        gradeLabel.setText("Grade:");
+        cancelButton.setText("Cancel");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        subjectLabel.setText("Subject:");
+        studentCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
-
         subjectCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
 
-        studentLabel.setText("Student:");
-
-        gradeField.setText("Grade...");
-
-        gradeLabel.setText("Grade:");
-
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
         layout.setHorizontalGroup(
@@ -98,8 +84,8 @@ public class GradeStudentForm extends JFrame {
                         .addGroup(layout.createSequentialGroup()
                                 .addGap(129, 129, 129)
                                 .addComponent(titleLabel)
-                                .addGap(0, 0, Short.MAX_VALUE))
+                                .addGap(0, 0, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -120,9 +106,7 @@ public class GradeStudentForm extends JFrame {
                                         .addComponent(gradeField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(30, Short.MAX_VALUE))
+                                .addContainerGap(30, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentForm.java

@@ -13,11 +13,11 @@ public class ShowStudentForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> studentCombo;
+    private final JComboBox<String> studentCombo = new JComboBox<>();
-    private JLabel studentLabel;
+    private final JLabel studentLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
 
     public ShowStudentForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
@@ -27,28 +27,22 @@ public class ShowStudentForm extends JFrame {
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        studentCombo = new JComboBox<>();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        studentLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
-        titleLabel.setText("Show Student");
 
-        studentCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        titleLabel.setText("Show Student");
+        submitButton.setText("Submit");
+        studentLabel.setText("Student:");
+        cancelButton.setText("Cancel");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        studentLabel.setText("Student:");
+        studentCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -71,8 +65,8 @@ public class ShowStudentForm extends JFrame {
                                         .addGroup(layout.createSequentialGroup()
                                                 .addGap(52, 52, 52)
                                                 .addComponent(titleLabel)))
-                                .addContainerGap(23, Short.MAX_VALUE))
+                                .addContainerGap(23, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -86,9 +80,7 @@ public class ShowStudentForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(22, Short.MAX_VALUE))
+                                .addContainerGap(22, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 

Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentGradesForm.java

@@ -13,12 +13,11 @@ public class ShowStudentGradesForm extends JFrame {
 
     private final Supervisor sv;
     private final JLabel mainTextLabel;
-    private JButton cancelButton;
+    private final JButton cancelButton = new JButton();
-    private JComboBox<String> studentCombo;
+    private final JComboBox<String> studentCombo = new JComboBox<>();
-    private JLabel studentLabel;
+    private final JLabel studentLabel = new JLabel();
-    private JButton submitButton;
+    private final JButton submitButton = new JButton();
-    private JLabel titleLabel;
+    private final JLabel titleLabel = new JLabel();
-
 
     public ShowStudentGradesForm(Supervisor sv, JLabel mainTextLabel) {
         this.sv = sv;
@@ -28,28 +27,22 @@ public class ShowStudentGradesForm extends JFrame {
 
     private void initComponents() {
 
-        titleLabel = new JLabel();
-        studentCombo = new JComboBox<>();
-        submitButton = new JButton();
-        cancelButton = new JButton();
-        studentLabel = new JLabel();
-
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
         titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
-        titleLabel.setText("Show Grades");
 
-        studentCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
+        titleLabel.setText("Show Grades");
+        studentLabel.setText("Student:");
+        submitButton.setText("Submit");
+        cancelButton.setText("Cancel");
 
         submitButton.setBackground(new java.awt.Color(204, 255, 204));
-        submitButton.setText("Submit");
-        submitButton.addActionListener(this::submitButtonActionPerformed);
-
         cancelButton.setBackground(new java.awt.Color(255, 204, 204));
-        cancelButton.setText("Cancel");
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        studentLabel.setText("Student:");
+        studentCombo.setModel(new DefaultComboBoxModel<>(new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}));
 
         GroupLayout layout = new GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -72,8 +65,8 @@ public class ShowStudentGradesForm extends JFrame {
                                         .addGroup(layout.createSequentialGroup()
                                                 .addGap(50, 50, 50)
                                                 .addComponent(titleLabel)))
-                                .addContainerGap(30, Short.MAX_VALUE))
+                                .addContainerGap(30, Short.MAX_VALUE)));
-        );
+
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -87,9 +80,7 @@ public class ShowStudentGradesForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(cancelButton)
                                         .addComponent(submitButton))
-                                .addContainerGap(22, Short.MAX_VALUE))
+                                .addContainerGap(22, Short.MAX_VALUE)));
-        );
-
         pack();
     }
 

Lab2/src/main/java/org/lumijiez/managers/StudentManager.java

@@ -15,30 +15,10 @@ import static org.lumijiez.enums.StudyField.DEFAULT_UNASSIGNED;
 public class StudentManager implements Serializable {
     private final List<Student> students = new ArrayList<>();
 
-    public void addStudent(FullStudentData data, Supervisor sv) {
+    public void addStudent(Student student) {
-        Faculty faculty;
+        student.getGroup().addStudent(student);
-        Group group;
+        students.add(student);
-
-        if (Objects.isNull(sv.getFm().getFaculty(data.faculty()))) {
-            Faculty newFaculty = new Faculty(data.faculty(), DEFAULT_UNASSIGNED.getAbbreviation(), DEFAULT_UNASSIGNED);
-            sv.getFm().addFaculty(newFaculty);
-            faculty = newFaculty;
-        } else {
-            faculty = sv.getFm().getFaculty(data.faculty());
-        }
-
-        if (Objects.isNull(sv.getFm().getGm().getGroup(data.group()))) {
-            Group newGroup = new Group("Unassigned");
-            sv.getFm().getGm().addGroup(newGroup);
-            group = newGroup;
-        } else {
-            group = sv.getFm().getGm().getGroup(data.group());
-        }
-
-        Student newStudent = new Student(data.name(), data.surname(), group, faculty);
-        students.add(newStudent);
     }
-
     public List<Student> getStudents() {
         return students;
     }
@@ -50,13 +30,8 @@ public class StudentManager implements Serializable {
         return null;
     }
 
-    public void deleteStudent(FullStudentData data) {
+    public void deleteStudent(Student student) {
-        students.removeIf(student ->
+        students.remove(student);
-                student.getName().equals(data.name()) &&
-                        student.getSurname().equals(data.surname()) &&
-                        student.getGroup().getName().equals(data.group()) &&
-                        student.getFaculty().getName().equals(data.faculty())
-        );
     }
 
 }

Lab2/src/main/java/org/lumijiez/managers/Supervisor.java

@@ -7,6 +7,8 @@ import org.lumijiez.util.FullStudentData;
 import org.lumijiez.base.Student;
 
 import java.io.Serializable;
+import java.util.Date;
+import java.util.Objects;
 
 public class Supervisor implements Serializable {
     private final FacultyManager fm;
@@ -15,6 +17,51 @@ public class Supervisor implements Serializable {
         this.fm = new FacultyManager();
     }
 
+    public void addFaculty(Faculty faculty) {
+        getFm().addFaculty(faculty);
+    }
+
+    public void deleteFaculty(Faculty faculty) {
+        fm.deleteFaculty(faculty);
+        for (Group gr : faculty.getGroups()) {
+            getFm().getGm().deleteGroup(gr);
+            for (Student st : gr.getStudents()) {
+                getFm().getGm().getSm().deleteStudent(st);
+            }
+        }
+    }
+
+    public void editGroup(Group group, String name, Faculty faculty) {
+        group.setName(name);
+        Faculty oldFac = group.getFaculty();
+        group.setFaculty(faculty);
+        faculty.addGroup(group);
+        oldFac.getGroups().remove(group);
+    }
+    public void deleteGroup(Group group) {
+        getFm().getGm().deleteGroup(group);
+        for (Student st : group.getStudents()) {
+            getFm().getGm().getSm().deleteStudent(st);
+        }
+    }
+
+    public void addStudent(String name, String surname, Group group, Faculty faculty, Date birth, Date enrol) {
+        Student newStudent = new Student(name, surname, group, faculty, birth, enrol);
+        getFm().getGm().getSm().addStudent(newStudent);
+        group.addStudent(newStudent);
+    }
+
+    public void addGroup(Group group, Faculty faculty) {
+        group.setFaculty(faculty);
+        faculty.addGroup(group);
+        getFm().getGm().addGroup(group);
+    }
+
+    public void deleteStudent(Student st) {
+        st.getGroup().deleteStudent(st);
+        getFm().getGm().getSm().deleteStudent(st);
+    }
+
     public String getStudentsText() {
         StringBuilder info = new StringBuilder();
         for (Student st : fm.getGm().getSm().getStudents()) {