Batch uploading

Lab2/src/main/java/org/lumijiez/Main.java

@@ -2,8 +2,19 @@ package org.lumijiez;
 
 import org.lumijiez.gui.StudentManagementGUI;
 
+import javax.swing.*;
+import java.awt.*;
+
 public class Main {
     public static void main(String[] args) {
-        java.awt.EventQueue.invokeLater(() -> new StudentManagementGUI().setVisible(true));
+
+        try {
+            UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
+        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
+            System.err.println("Windows LAF not found!");
+        }
+
+        EventQueue.invokeLater(() -> new StudentManagementGUI().setVisible(true));
     }
 }
+

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

@@ -18,6 +18,8 @@ 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.*;
+import org.lumijiez.gui.util.DisplayerManager;
+import org.lumijiez.gui.util.FilePicker;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
@@ -30,74 +32,52 @@ public class StudentManagementGUI extends JFrame {
     private static Supervisor sv;
     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 JMenuItem graduateStudent = new JMenuItem();
-    private final JMenuItem showGraduates = new JMenuItem();
-    private final JMenuItem showEnrolled = 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();
     private final JScrollPane mainScrollPane = new javax.swing.JScrollPane();
     private static final JTextArea mainTextLabel = new javax.swing.JTextArea();
 
     public StudentManagementGUI() {
-        this.sv = DataDeserializer.deserialize();
+        sv = DataDeserializer.deserialize();
         this.setSize(new Dimension(1280, 720));
         initComponents();
     }
     private void initComponents() {
 
+        JMenuItem loadBatchOption = new JMenuItem("Load as Batch", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem saveAsOption = new JMenuItem("Save As", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem saveAndExitOption = new JMenuItem("Save and Exit", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem settingsOption = new JMenuItem("Settings", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showAllStudentsOption = new JMenuItem("Show All Students", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showParticularStudentOption = new JMenuItem("Show a Student", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showStudentGrade = new JMenuItem("Show Student Grades", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem graduateStudent = new JMenuItem("Graduate Student", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showGraduates = new JMenuItem("Show Graduates", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showEnrolled = new JMenuItem("Show enrolled", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem gradeStudentOption = new JMenuItem("Grade a Student", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem addStudentOption = new JMenuItem("Add a Student", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem editStudentOption = new JMenuItem("Edit a Student", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem deleteStudentOption = new JMenuItem("Delete a Student", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showAllGroupsOption = new JMenuItem("Show all Groups", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showParticularGroupOption = new JMenuItem("Show a Group", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem addGroupOption = new JMenuItem("Add a Group", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem editGroupOption = new JMenuItem("Edit a Group", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem deleteGroupOption = new JMenuItem("Delete a Group", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showAllFacultiesOption = new JMenuItem("Show all Faculties", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem showParticularFacultyOption = new JMenuItem("Show a Faculty", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem addFacultyOption = new JMenuItem("Add a Faculty", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem editFacultyOption = new JMenuItem("Edit a Faculty", UIManager.getIcon("FileView.directoryIcon"));
+        JMenuItem removeFacultyOption = new JMenuItem("Remove Faculty", UIManager.getIcon("FileView.directoryIcon"));
+
+        JPopupMenu.Separator studentSeparator = new JPopupMenu.Separator();
+        JPopupMenu.Separator groupSeparator = new JPopupMenu.Separator();
+        JPopupMenu.Separator facultySeparator = new JPopupMenu.Separator();
+
         fileMenu.setText("File");
-        loadBatchOption.setText("Load Batch File");
-        saveAsOption.setText("Save As File");
-        saveAndExitOption.setText("Save And Exit");
-        settingsOption.setText("Settings");
         studentMenu.setText("Student Options");
-        showAllStudentsOption.setText("Show All Students");
-        showParticularStudentOption.setText("Show Student");
-        showStudentGrade.setText("Show Student Grades");
-        gradeStudentOption.setText("Grade Student");
-        addStudentOption.setText("Add Student");
-        editStudentOption.setText("Edit Student");
-        deleteStudentOption.setText("Delete Student");
         groupMenu.setText("Group Options");
-        showAllGroupsOption.setText("Show All Groups");
-        showParticularGroupOption.setText("Show Group");
-        addGroupOption.setText("Add Group");
-        editGroupOption.setText("Edit Group");
-        deleteGroupOption.setText("Delete Group");
         facultyMenu.setText("Faculty Options");
-        showAllFacultiesOption.setText("Show Faculties");
-        showParticularFacultyOption.setText("Show A Faculty");
-        addFacultyOption.setText("Add Faculty");
-        removeFacultyOption.setText("Remove Faculty");
-        editFacultyOption.setText("Edit Faculty");
-        graduateStudent.setText("Graduate student");
-        showGraduates.setText("Show Graduates");
-        showEnrolled.setText("Show Enrolled");
 
         mainTextLabel.setEditable(false);
         mainTextLabel.setFont(new java.awt.Font("Segoe UI", 0, 14));
@@ -191,7 +171,7 @@ public class StudentManagementGUI extends JFrame {
 
         setJMenuBar(menuBar);
 
-        StudentManagementGUI.displayStudents();
+        DisplayerManager.displayStudents();
 
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
@@ -208,68 +188,45 @@ public class StudentManagementGUI extends JFrame {
 
     private void showGraduatesOptionActionPerformed(ActionEvent actionEvent) {
         if (checkStudent() && checkGroup() && checkFaculty()) {
-            StringBuilder text = new StringBuilder();
+            DisplayerManager.displayGraduates();
-            text.append("=================== Students =====================\n");
-            for (Student st : sv.getFm().getGm().getSm().getStudents()) {
-                if (st.isGraduated()) {
-                    text.append("Name: ").append(st.getFullname()).append("\nGroup: ").append(st.getGroup().getName())
-                            .append("\nGraduated: ").append("Yes");
-                    text.append("\n===============================================\n");
-                }
-            }
-            mainTextLabel.setText(text.toString());
         }
     }
 
     private void showEnrolledOptionActionPerformed(ActionEvent actionEvent) {
         if (checkStudent() && checkGroup() && checkFaculty()) {
-            StringBuilder text = new StringBuilder();
+            DisplayerManager.displayEnrolled();
-            text.append("=================== Students =====================\n");
-            for (Student st : sv.getFm().getGm().getSm().getStudents()) {
-                if (!st.isGraduated()) {
-                    text.append("Name: ").append(st.getFullname()).append("\nGroup: ").append(st.getGroup().getName())
-                            .append("\nGraduated: ").append("No");
-                    text.append("\n===============================================\n");
-                }
-            }
-            mainTextLabel.setText(text.toString());
         }
     }
 
     private void graduateStudentOptionActionPerformed(ActionEvent actionEvent) {
         if (checkStudent() && checkGroup() && checkFaculty()) {
-            GraduateStudentForm form = new GraduateStudentForm(sv, mainTextLabel);
+            GraduateStudentForm form = new GraduateStudentForm(sv);
             form.setVisible(true);
         }
     }
 
     private void showAllStudentsOptionActionPerformed(ActionEvent actionEvent) {
         if (checkStudent() && checkGroup() && checkFaculty()) {
-            StringBuilder text = new StringBuilder();
+            DisplayerManager.displayStudents();
-            text.append("=================== Students =====================\n");
-            for (Student st : sv.getFm().getGm().getSm().getStudents()) {
-                text.append("Name: ").append(st.getFullname()).append("\nGroup: ").append(st.getGroup().getName());
-                text.append("\n===============================================\n");
-            }
-            mainTextLabel.setText(text.toString());
         }
     }
 
     private void showAllGroupsOptionActionPerformed(ActionEvent actionEvent) {
         if (checkGroup() && checkFaculty()) {
-            displayGroups();
+            DisplayerManager.displayGroups();
         }
     }
 
     private void deleteGroupOptionActionPerformed(ActionEvent actionEvent) {
         if (checkGroup() && checkFaculty()) {
-            DeleteGroupForm form = new DeleteGroupForm(sv, mainTextLabel);
+            DeleteGroupForm form = new DeleteGroupForm(sv);
             form.setVisible(true);
         }
     }
 
     private void loadBatchOptionActionPerformed(ActionEvent evt) {
-
+        FilePicker picker = new FilePicker(sv);
+        picker.setVisible(true);
     }
 
     private void saveAndExitOptionActionPerformed(ActionEvent evt) {
@@ -287,15 +244,7 @@ public class StudentManagementGUI extends JFrame {
 
     private void showAllFacultiesOptionActionPerformed(ActionEvent evt) {
         if (checkFaculty()) {
-            StringBuilder text = new StringBuilder();
+            DisplayerManager.displayFaculties();
-            text.append("==================== Faculties ======================\n");
-            for (Faculty fac : sv.getFm().getFaculties()) {
-                text.append("Name: ").append(fac.getName()).append("\nSpecialty: ").append(fac.getField().getName())
-                        .append("\nAbbreviation: ").append(fac.getAbbreviation())
-                        .append("\nNumber of groups: ").append(fac.getGroups().size());
-                text.append("\n===============================================\n");
-            }
-            mainTextLabel.setText(text.toString());
         }
     }
 
@@ -311,7 +260,7 @@ public class StudentManagementGUI extends JFrame {
     }
 
     private void addFacultyOptionActionPerformed(ActionEvent evt) {
-        AddFacultyForm form = new AddFacultyForm(sv, mainTextLabel);
+        AddFacultyForm form = new AddFacultyForm(sv);
         form.setVisible(true);
     }
 
@@ -331,14 +280,14 @@ public class StudentManagementGUI extends JFrame {
 
     private void editStudentOptionActionPerformed(ActionEvent evt) {
         if (checkStudent() && checkGroup() && checkFaculty()) {
-            EditStudentForm form = new EditStudentForm(sv, mainTextLabel);
+            EditStudentForm form = new EditStudentForm(sv);
             form.setVisible(true);
         }
     }
 
     private void deleteStudentOptionActionPerformed(ActionEvent evt) {
         if (checkStudent() && checkGroup() && checkFaculty()) {
-            DeleteStudentForm form = new DeleteStudentForm(sv, mainTextLabel);
+            DeleteStudentForm form = new DeleteStudentForm(sv);
             form.setVisible(true);
         }
     }
@@ -359,14 +308,14 @@ public class StudentManagementGUI extends JFrame {
 
     private void addGroupOptionActionPerformed(ActionEvent evt) {
         if (checkFaculty()) {
-            AddGroupForm form = new AddGroupForm(sv, mainTextLabel);
+            AddGroupForm form = new AddGroupForm(sv);
             form.setVisible(true);
         }
     }
 
     private void editGroupOptionActionPerformed(ActionEvent evt) {
         if (checkGroup() && checkFaculty()) {
-            EditGroupForm form = new EditGroupForm(sv, mainTextLabel);
+            EditGroupForm form = new EditGroupForm(sv);
             form.setVisible(true);
         }
     }
@@ -380,14 +329,14 @@ public class StudentManagementGUI extends JFrame {
 
     private void editFacultyOptionActionPerformed(ActionEvent evt) {
         if (checkFaculty()) {
-            EditFacultyForm form = new EditFacultyForm(sv, mainTextLabel);
+            EditFacultyForm form = new EditFacultyForm(sv);
             form.setVisible(true);
         }
     }
 
     private void removeFacultyOptionActionPerformed(ActionEvent evt) {
         if (checkFaculty()) {
-            RemoveFacultyForm form = new RemoveFacultyForm(sv, mainTextLabel);
+            RemoveFacultyForm form = new RemoveFacultyForm(sv);
             form.setVisible(true);
         }
     }
@@ -416,37 +365,11 @@ public class StudentManagementGUI extends JFrame {
         return true;
     }
 
-    public static void displayStudents() {
+    public static JTextArea getMainLabel() {
-        StringBuilder text = new StringBuilder();
+        return mainTextLabel;
-        text.append("==================== Students ======================\n");
-        for (Student student : sv.getFm().getGm().getSm().getStudents()) {
-            text.append("Name: ").append(student.getFullname()).append("\nGroup: ").append(student.getGroup().getName())
-                    .append("\nEmail:: ").append(student.getEmail()).append("\nGraduated: ").append((student.isGraduated() ? "Yes" : "No"));
-            text.append("\n===============================================\n");
-        }
-        mainTextLabel.setText(text.toString());
     }
 
-    public static void displayGroups() {
+    public static Supervisor getSv() {
-        StringBuilder text = new StringBuilder();
+        return sv;
-        text.append("==================== Groups ======================\n");
-        for (Group group : sv.getFm().getGm().getGroups()) {
-            text.append("Name: ").append(group.getName()).append("\nFaculty: ").append(group.getFaculty().getName())
-                    .append("\nNumber of students: ").append(group.getStudents().size());
-            text.append("\n===============================================\n");
-        }
-        mainTextLabel.setText(text.toString());
-    }
-
-    public static void displayFaculties() {
-        StringBuilder text = new StringBuilder();
-        text.append("==================== Faculties ======================\n");
-        for (Faculty fac : sv.getFm().getFaculties()) {
-            text.append("Name: ").append(fac.getName()).append("\nSpecialty: ").append(fac.getField().getName())
-                    .append("\nAbbreviation: ").append(fac.getAbbreviation())
-                    .append("\nNumber of groups: ").append(fac.getGroups().size());
-            text.append("\n===============================================\n");
-        }
-        mainTextLabel.setText(text.toString());
     }
 }

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

@@ -4,8 +4,10 @@ import org.lumijiez.base.Faculty;
 import org.lumijiez.enums.StudyField;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 
+import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.util.List;
 import java.util.Objects;
@@ -13,7 +15,6 @@ import javax.swing.*;
 
 public class AddFacultyForm extends JFrame {
     private final Supervisor sv;
-    private final JTextArea mainTextLabel;
     private final JLabel titleLabel = new JLabel();
     private final JComboBox<String> specialtyCombo = new JComboBox<>();
     private final JTextField nameField = new JTextField();
@@ -24,9 +25,8 @@ public class AddFacultyForm extends JFrame {
     private final JLabel abbreviationLabel = new JLabel();
     private final JLabel specialtyLabel = new JLabel();
 
-    public AddFacultyForm(Supervisor sv, JTextArea mainTextLabel) {
+    public AddFacultyForm(Supervisor sv) {
         this.sv = sv;
-        this.mainTextLabel = mainTextLabel;
         initComponents();
     }
 
@@ -34,7 +34,7 @@ public class AddFacultyForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18));
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18));
 
         titleLabel.setText("Add a new faculty");
         submitButton.setText("Submit");
@@ -118,7 +118,7 @@ public class AddFacultyForm extends JFrame {
         if (!name.isEmpty()) {
             Faculty newFaculty = new Faculty(name, abbreviation, specialty);
             sv.addFaculty(newFaculty);
-            StudentManagementGUI.displayFaculties();
+            DisplayerManager.displayFaculties();
             this.dispose();
         }
     }

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

@@ -8,6 +8,7 @@ import org.lumijiez.base.Faculty;
 import org.lumijiez.enums.StudyField;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
@@ -17,8 +18,6 @@ import java.awt.event.ActionEvent;
 import java.util.Objects;
 
 public class EditFacultyForm extends JFrame {
-    private final Supervisor sv;
-    private final JTextArea mainTextLabel;
     private final JTextField abbreviationField = new JTextField();
     private final JLabel abbreviationLabel = new JLabel();
     private final JButton cancelButton = new JButton();
@@ -31,9 +30,7 @@ public class EditFacultyForm extends JFrame {
     private final JComboBox<Faculty> facultyCombo;
     private final JComboBox<StudyField> specialtyCombo;
 
-    public EditFacultyForm(Supervisor sv, JTextArea mainTextLabel) {
+    public EditFacultyForm(Supervisor sv) {
-        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();
@@ -43,7 +40,7 @@ public class EditFacultyForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
         titleLabel.setText("Edit a faculty");
         submitButton.setText("Submit");
         cancelButton.setText("Cancel");
@@ -147,7 +144,7 @@ public class EditFacultyForm extends JFrame {
         ((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())));
-        StudentManagementGUI.displayFaculties();
+        DisplayerManager.displayFaculties();
         this.dispose();
     }
 

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

@@ -7,25 +7,25 @@ package org.lumijiez.gui.forms.faculty;
 import org.lumijiez.base.Faculty;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 
 public class RemoveFacultyForm extends JFrame {
 
     private final Supervisor sv;
-    private final JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Faculty> facultyCombo;
     private final JLabel facultyLabel = new JLabel();
     private final JButton submitButton = new JButton();
     private final JLabel titleLabel = new JLabel();
 
-    public RemoveFacultyForm(Supervisor sv, JTextArea mainTextLabel) {
+    public RemoveFacultyForm(Supervisor sv) {
         this.sv = sv;
-        this.mainTextLabel = mainTextLabel;
         this.facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
         initComponents();
     }
@@ -34,7 +34,7 @@ public class RemoveFacultyForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Remove a faculty");
         submitButton.setText("Submit");
@@ -88,7 +88,7 @@ public class RemoveFacultyForm extends JFrame {
 
     private void submitButtonActionPerformed(ActionEvent evt) {
         sv.deleteFaculty(((Faculty)facultyCombo.getSelectedItem()));
-        StudentManagementGUI.displayFaculties();
+        DisplayerManager.displayFaculties();
         this.dispose();
     }
 

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

@@ -11,11 +11,11 @@ import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 
 public class ShowFacultyForm extends JFrame {
 
-    private final Supervisor sv;
     private final JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Faculty> facultyCombo;
@@ -24,7 +24,6 @@ public class ShowFacultyForm extends JFrame {
     private final JLabel titleLabel = new JLabel();
 
     public ShowFacultyForm(Supervisor sv, JTextArea mainTextLabel) {
-        this.sv = sv;
         this.mainTextLabel = mainTextLabel;
         this.facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
         initComponents();
@@ -34,7 +33,7 @@ public class ShowFacultyForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Show a faculty");
         submitButton.setText("Submit");
@@ -101,8 +100,7 @@ public class ShowFacultyForm extends JFrame {
         builder.append("==========\n");
         builder.append("Groups: ").append("\n");
         for (Group gr : fac.getGroups())
-            builder.append(gr.getName()).append("\n");
+            builder.append(gr.getName()).append("\n").append("==========\n");
-            builder.append("==========\n");
         builder.append("===================================================");
         mainTextLabel.setText(builder.toString());
         this.dispose();

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

@@ -8,17 +8,18 @@ import org.lumijiez.base.Faculty;
 import org.lumijiez.base.Group;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 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 JTextArea mainTextLabel;
     private final JLabel titleLabel = new JLabel();
     private final JTextField nameField = new JTextField();
     private final JButton submitButton = new JButton();
@@ -27,9 +28,8 @@ public class AddGroupForm extends JFrame {
     private final JComboBox<Faculty> facultyCombo;
     private final JLabel facultyLabel = new JLabel();
 
-    public AddGroupForm(Supervisor sv, JTextArea mainTextLabel) {
+    public AddGroupForm(Supervisor sv) {
         this.sv = sv;
-        this.mainTextLabel = mainTextLabel;
         this.facultyCombo = new JComboBox<>(sv.getFm().getFaculties().toArray(new Faculty[0]));
         initComponents();
     }
@@ -37,7 +37,7 @@ public class AddGroupForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Add a new group");
         nameField.setText("Name...");
@@ -103,7 +103,7 @@ public class AddGroupForm extends JFrame {
         Group gr = new Group(nameField.getText());
         Faculty fac = ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem()));
         sv.addGroup(gr, fac);
-        StudentManagementGUI.displayGroups();
+        DisplayerManager.displayGroups();
         this.dispose();
     }
 

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

@@ -7,24 +7,24 @@ package org.lumijiez.gui.forms.group;
 import org.lumijiez.base.Group;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 
 public class DeleteGroupForm extends JFrame {
     private final Supervisor sv;
-    private final JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Group> groupCombo;
     private final JLabel groupLabel = new JLabel();
     private final JButton submitButton = new JButton();
     private final JLabel titleLabel = new JLabel();
 
-    public DeleteGroupForm(Supervisor sv, JTextArea mainTextLabel) {
+    public DeleteGroupForm(Supervisor sv) {
         this.sv = sv;
-        this.mainTextLabel = mainTextLabel;
         this.groupCombo = new JComboBox<>(sv.getFm().getGm().getGroups().toArray(new Group[0]));
         initComponents();
     }
@@ -33,7 +33,7 @@ public class DeleteGroupForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Delete a group");
         submitButton.setText("Submit");
@@ -88,7 +88,7 @@ public class DeleteGroupForm extends JFrame {
 
     private void submitButtonActionPerformed(ActionEvent evt) {
         sv.deleteGroup(((Group)groupCombo.getSelectedItem()));
-        StudentManagementGUI.displayGroups();
+        DisplayerManager.displayGroups();
         this.dispose();
     }
 

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

@@ -8,17 +8,18 @@ import org.lumijiez.base.Faculty;
 import org.lumijiez.base.Group;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 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 JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Faculty> facultyCombo;
     private final JLabel facultyLabel = new JLabel();
@@ -28,9 +29,8 @@ public class EditGroupForm extends JFrame {
     private final JLabel nameLabel = new JLabel();
     private final JButton submitButton = new JButton();
     private final JLabel titleLabel = new JLabel();
-    public EditGroupForm(Supervisor sv, JTextArea mainTextLabel) {
+    public EditGroupForm(Supervisor sv) {
         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();
@@ -40,7 +40,7 @@ public class EditGroupForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Edit a group");
         nameField.setText("Name...");
@@ -56,7 +56,7 @@ public class EditGroupForm extends JFrame {
         submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
 
-        ComboBoxRenderers.setFacultyRenderer(facultyCombo);;
+        ComboBoxRenderers.setFacultyRenderer(facultyCombo);
         ComboBoxRenderers.setGroupRenderer(groupCombo);
 
         GroupLayout layout = new GroupLayout(getContentPane());
@@ -118,7 +118,7 @@ public class EditGroupForm extends JFrame {
         Faculty fac = ((Faculty) Objects.requireNonNull(facultyCombo.getSelectedItem()));
         Group gr = (Group) Objects.requireNonNull(groupCombo.getSelectedItem());
         sv.editGroup(gr, nameField.getText(), fac);
-        StudentManagementGUI.displayGroups();
+        DisplayerManager.displayGroups();
         this.dispose();
     }
 

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

@@ -4,6 +4,7 @@
  */
 package org.lumijiez.gui.forms.group;
 
+import org.lumijiez.base.Faculty;
 import org.lumijiez.base.Group;
 import org.lumijiez.base.Student;
 import org.lumijiez.gui.util.ComponentDecorator;
@@ -11,13 +12,13 @@ import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 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 JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Group> groupCombo;
@@ -25,7 +26,6 @@ public class ShowGroupForm extends JFrame {
     private final JButton submitButton = new JButton();
     private final JLabel titleLabel = new JLabel();
     public ShowGroupForm(Supervisor sv, JTextArea mainTextLabel) {
-        this.sv = sv;
         this.mainTextLabel = mainTextLabel;
         this.groupCombo = new JComboBox<>(sv.getFm().getGm().getGroups().toArray(new Group[0]));
         initComponents();
@@ -35,7 +35,7 @@ public class ShowGroupForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
         titleLabel.setText("Show a group");
         groupLabel.setText("Group:");
         cancelButton.setText("Cancel");

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

@@ -8,10 +8,12 @@ import org.lumijiez.base.Faculty;
 import org.lumijiez.base.Group;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.util.Calendar;
 import java.util.Date;
@@ -82,7 +84,7 @@ public class AddStudentForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Add a new student");
         submitButton.setText("Submit");
@@ -257,7 +259,7 @@ public class AddStudentForm extends JFrame {
 
         if (!name.isEmpty() && !surname.isEmpty() && !email.isEmpty()) {
             sv.addStudent(name, surname, email, group, faculty, birthDate, enrolDate);
-            StudentManagementGUI.displayStudents();
+            DisplayerManager.displayStudents();
             this.dispose();
         }
     }

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

@@ -7,6 +7,7 @@ package org.lumijiez.gui.forms.student;
 import org.lumijiez.base.Student;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
@@ -16,16 +17,14 @@ import java.util.Objects;
 
 public class DeleteStudentForm extends JFrame {
     private final Supervisor sv;
-    private final JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Student> studentCombo;
     private final JLabel studentLabel = new JLabel();
     private final JButton submitButton = new JButton();
     private final JLabel titleLabel = new JLabel();
 
-    public DeleteStudentForm(Supervisor sv, JTextArea mainTextLabel) {
+    public DeleteStudentForm(Supervisor sv) {
         this.sv = sv;
-        this.mainTextLabel = mainTextLabel;
         this.studentCombo = new JComboBox<>(sv.getFm().getGm().getSm().getStudents().toArray(new Student[0]));
         initComponents();
     }
@@ -90,9 +89,7 @@ public class DeleteStudentForm extends JFrame {
     private void submitButtonActionPerformed(ActionEvent evt) {
         Student student = ((Student) Objects.requireNonNull(studentCombo.getSelectedItem()));
         sv.deleteStudent(student);
-
+        DisplayerManager.displayStudents();
-        StudentManagementGUI.displayStudents();
-
         this.dispose();
     }
 

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

@@ -9,10 +9,12 @@ import org.lumijiez.base.Group;
 import org.lumijiez.base.Student;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.util.Objects;
 
@@ -21,7 +23,6 @@ public class EditStudentForm extends JFrame {
     Integer[] months = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
     Integer[] years = new Integer[100];
     private final Supervisor sv;
-    private final JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JTextField emailField = new JTextField();
     private final JLabel emailLabel = new JLabel();
@@ -50,9 +51,8 @@ public class EditStudentForm extends JFrame {
     private final JLabel enrolMonthLabel = new javax.swing.JLabel();
     private final JLabel enrolYearLabel = new javax.swing.JLabel();
 
-    public EditStudentForm(Supervisor sv, JTextArea mainTextLabel) {
+    public EditStudentForm(Supervisor sv) {
         this.sv = sv;
-        this.mainTextLabel = mainTextLabel;
         birthDayField = new JComboBox<>(days);
         birthMonthField = new JComboBox<>(months);
         birthYearField = new JComboBox<>(years);
@@ -69,10 +69,10 @@ public class EditStudentForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Edit a student");
-        nameField.setText(((Student)studentCombo.getSelectedItem()).getName());
+        nameField.setText(((Student) Objects.requireNonNull(studentCombo.getSelectedItem())).getName());
         submitButton.setText("Submit");
         cancelButton.setText("Cancel");
         studentLabel.setText("Student:");
@@ -102,7 +102,7 @@ public class EditStudentForm extends JFrame {
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
         studentCombo.addActionListener(this::studentComboActionPerformed);
 
-        ComboBoxRenderers.setFacultyRenderer(facultyCombo);;
+        ComboBoxRenderers.setFacultyRenderer(facultyCombo);
         ComboBoxRenderers.setGroupRenderer(groupCombo);
         ComboBoxRenderers.setStudentRenderer(studentCombo);
 
@@ -288,7 +288,7 @@ public class EditStudentForm extends JFrame {
             sv.editStudent(student, name, surname, email, group, faculty /*, birthDate, enrolDate*/);
         }
 
-        StudentManagementGUI.displayStudents();
+        DisplayerManager.displayStudents();
         this.dispose();
     }
 }

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

@@ -12,6 +12,7 @@ import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.util.Objects;
 
@@ -42,7 +43,7 @@ public class GradeStudentForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18));
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18));
 
         titleLabel.setText("Grade a student");
         studentLabel.setText("Student:");

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

@@ -7,6 +7,7 @@ package org.lumijiez.gui.forms.student;
 import org.lumijiez.base.Student;
 import org.lumijiez.gui.StudentManagementGUI;
 import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
@@ -16,17 +17,13 @@ import java.awt.event.ActionEvent;
 import java.util.Objects;
 
 public class GraduateStudentForm extends JFrame {
-    private final Supervisor sv;
-    private final JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Student> studentCombo;
     private final JLabel studentLabel = new JLabel();
     private final JButton submitButton = new JButton();
     private final JLabel titleLabel = new JLabel();
 
-    public GraduateStudentForm(Supervisor sv, JTextArea mainTextLabel) {
+    public GraduateStudentForm(Supervisor sv) {
-        this.sv = sv;
-        this.mainTextLabel = mainTextLabel;
         this.studentCombo = new JComboBox<>(sv.getFm().getGm().getSm().getStudents().toArray(new Student[0]));
         initComponents();
     }
@@ -35,14 +32,17 @@ public class GraduateStudentForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new Font("sansserif", Font.PLAIN, 18)); // NOI18N
-        titleLabel.setText("Graduate a Student");
 
         ComboBoxRenderers.setStudentRenderer(studentCombo);
 
         studentLabel.setText("Student:");
         submitButton.setText("Submit");
         cancelButton.setText("Cancel");
+        titleLabel.setText("Graduate a Student");
+
+        cancelButton.addActionListener(this::cancelButtonActionPerformed);
+        submitButton.addActionListener(this::submitButtonActionPerformed);
 
         submitButton.setBackground(new Color(204, 255, 204));
         cancelButton.setBackground(new Color(255, 204, 204));
@@ -91,7 +91,7 @@ public class GraduateStudentForm extends JFrame {
     private void submitButtonActionPerformed(ActionEvent evt) {
         Student student = ((Student) Objects.requireNonNull(studentCombo.getSelectedItem()));
         student.setGraduated(true);
-        StudentManagementGUI.displayStudents();
+        DisplayerManager.displayStudents();
         this.dispose();
     }
 

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

@@ -10,12 +10,11 @@ import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.util.Objects;
 
 public class ShowStudentForm extends JFrame {
-
-    private final Supervisor sv;
     private final JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Student> studentCombo;
@@ -24,7 +23,6 @@ public class ShowStudentForm extends JFrame {
     private final JLabel titleLabel = new JLabel();
 
     public ShowStudentForm(Supervisor sv, JTextArea mainTextLabel) {
-        this.sv = sv;
         this.mainTextLabel = mainTextLabel;
         this.studentCombo = new JComboBox<>(sv.getFm().getGm().getSm().getStudents().toArray(new Student[0]));
         initComponents();
@@ -34,7 +32,7 @@ public class ShowStudentForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Show Student");
         submitButton.setText("Submit");

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

@@ -11,12 +11,12 @@ import org.lumijiez.managers.Supervisor;
 import org.lumijiez.gui.util.ComboBoxRenderers;
 
 import javax.swing.*;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.util.Objects;
 
 public class ShowStudentGradesForm extends JFrame {
 
-    private final Supervisor sv;
     private final JTextArea mainTextLabel;
     private final JButton cancelButton = new JButton();
     private final JComboBox<Student> studentCombo;
@@ -25,7 +25,6 @@ public class ShowStudentGradesForm extends JFrame {
     private final JLabel titleLabel = new JLabel();
 
     public ShowStudentGradesForm(Supervisor sv, JTextArea mainTextLabel) {
-        this.sv = sv;
         this.mainTextLabel = mainTextLabel;
         this.studentCombo = new JComboBox<>(sv.getFm().getGm().getSm().getStudents().toArray(new Student[0]));
         initComponents();
@@ -35,7 +34,7 @@ public class ShowStudentGradesForm extends JFrame {
 
         setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 
-        titleLabel.setFont(new java.awt.Font("sansserif", 0, 18)); // NOI18N
+        titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18)); // NOI18N
 
         titleLabel.setText("Show Grades");
         studentLabel.setText("Student:");

Lab2/src/main/java/org/lumijiez/gui/util/DisplayerManager.java

@@ -0,0 +1,68 @@
+package org.lumijiez.gui.util;
+
+import org.lumijiez.base.Faculty;
+import org.lumijiez.base.Group;
+import org.lumijiez.base.Student;
+import org.lumijiez.gui.StudentManagementGUI;
+
+public class DisplayerManager {
+    public static void displayStudents() {
+        StringBuilder text = new StringBuilder();
+        text.append("==================== Students ======================\n");
+        for (Student student : StudentManagementGUI.getSv().getFm().getGm().getSm().getStudents()) {
+            text.append("Name: ").append(student.getFullname()).append("\nGroup: ").append(student.getGroup().getName())
+                    .append("\nEmail:: ").append(student.getEmail()).append("\nGraduated: ").append((student.isGraduated() ? "Yes" : "No"));
+            text.append("\n===============================================\n");
+        }
+        StudentManagementGUI.getMainLabel().setText(text.toString());
+    }
+
+    public static void displayGroups() {
+        StringBuilder text = new StringBuilder();
+        text.append("==================== Groups ======================\n");
+        for (Group group : StudentManagementGUI.getSv().getFm().getGm().getGroups()) {
+            text.append("Name: ").append(group.getName()).append("\nFaculty: ").append(group.getFaculty().getName())
+                    .append("\nNumber of students: ").append(group.getStudents().size());
+            text.append("\n===============================================\n");
+        }
+        StudentManagementGUI.getMainLabel().setText(text.toString());
+    }
+
+    public static void displayFaculties() {
+        StringBuilder text = new StringBuilder();
+        text.append("==================== Faculties ======================\n");
+        for (Faculty fac : StudentManagementGUI.getSv().getFm().getFaculties()) {
+            text.append("Name: ").append(fac.getName()).append("\nSpecialty: ").append(fac.getField().getName())
+                    .append("\nAbbreviation: ").append(fac.getAbbreviation())
+                    .append("\nNumber of groups: ").append(fac.getGroups().size());
+            text.append("\n===============================================\n");
+        }
+        StudentManagementGUI.getMainLabel().setText(text.toString());
+    }
+
+    public static void displayGraduates() {
+        StringBuilder text = new StringBuilder();
+        text.append("=================== Students =====================\n");
+        for (Student st : StudentManagementGUI.getSv().getFm().getGm().getSm().getStudents()) {
+            if (st.isGraduated()) {
+                text.append("Name: ").append(st.getFullname()).append("\nGroup: ").append(st.getGroup().getName())
+                        .append("\nGraduated: ").append("Yes");
+                text.append("\n===============================================\n");
+            }
+        }
+        StudentManagementGUI.getMainLabel().setText(text.toString());
+    }
+
+    public static void displayEnrolled() {
+        StringBuilder text = new StringBuilder();
+        text.append("=================== Students =====================\n");
+        for (Student st : StudentManagementGUI.getSv().getFm().getGm().getSm().getStudents()) {
+            if (!st.isGraduated()) {
+                text.append("Name: ").append(st.getFullname()).append("\nGroup: ").append(st.getGroup().getName())
+                        .append("\nGraduated: ").append("No");
+                text.append("\n===============================================\n");
+            }
+        }
+        StudentManagementGUI.getMainLabel().setText(text.toString());
+    }
+}

Lab2/src/main/java/org/lumijiez/gui/util/FilePicker.java

@@ -0,0 +1,207 @@
+package org.lumijiez.gui.util;
+
+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.event.ActionEvent;
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class FilePicker extends JFrame {
+    private JButton browseButton;
+    private JButton cancelButton;
+    private JScrollPane exampleLabel;
+    private JLabel formatLabel;
+    private JLabel jLabel1;
+    private JTextArea jTextArea2;
+    private JTextPane filePane;
+    private JButton submitButton;
+    private JButton submitButton1;
+    private JLabel titleLabel;
+    private final Supervisor sv;
+
+    public FilePicker(Supervisor sv) {
+        this.sv = sv;
+        initComponents();
+    };
+
+    private void initComponents() {
+
+        submitButton = new JButton();
+        jLabel1 = new JLabel();
+        titleLabel = new JLabel();
+        browseButton = new JButton();
+        formatLabel = new JLabel();
+        exampleLabel = new JScrollPane();
+        jTextArea2 = new JTextArea();
+        cancelButton = new JButton();
+        submitButton1 = new JButton();
+        filePane = new JTextPane();
+
+        titleLabel.setFont(new java.awt.Font("Segoe UI", 0, 24)); // NOI18N
+
+        submitButton.addActionListener(this::submitButtonActionPerformed);
+        cancelButton.addActionListener(this::cancelButtonActionPerformed);
+        browseButton.addActionListener(this::browseButtonActionPerformed);
+
+        ComponentDecorator.submitButton(submitButton);
+        ComponentDecorator.cancelButton(cancelButton);
+
+        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+
+        titleLabel.setText("Pick a file to load a batch");
+        submitButton.setText("Submit");
+        browseButton.setText("Browse");
+        formatLabel.setText("File format example:");
+        cancelButton.setText("Cancel");
+
+
+        jTextArea2.setColumns(15);
+        jTextArea2.setRows(5);
+        jTextArea2.setText("name: John\nsurname: Doe\nemail: john.doe@example.com\ngroup: FAF-223\nfaculty: FCIM\nbirthdate: 1998-05-15\nenroldate: 2017-09-01\nspecialty: Mechanical Engineering");
+        exampleLabel.setViewportView(jTextArea2);
+
+        GroupLayout layout = new GroupLayout(getContentPane());
+        getContentPane().setLayout(layout);
+        layout.setHorizontalGroup(
+                layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                        .addGroup(layout.createSequentialGroup()
+                                .addGap(25, 25, 25)
+                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                                        .addGroup(layout.createSequentialGroup()
+                                                .addComponent(filePane, GroupLayout.PREFERRED_SIZE, 215, GroupLayout.PREFERRED_SIZE)
+                                                .addGap(18, 18, 18)
+                                                .addComponent(browseButton))
+                                        .addGroup(layout.createSequentialGroup()
+                                                .addGap(104, 104, 104)
+                                                .addComponent(cancelButton)
+                                                .addGap(18, 18, 18)
+                                                .addComponent(submitButton))
+                                        .addComponent(formatLabel)
+                                        .addComponent(exampleLabel, GroupLayout.PREFERRED_SIZE, 307, GroupLayout.PREFERRED_SIZE))
+                                .addContainerGap(33, Short.MAX_VALUE))
+                        .addGroup(layout.createSequentialGroup()
+                                .addGap(41, 41, 41)
+                                .addComponent(titleLabel)
+                                .addGap(0, 0, Short.MAX_VALUE)));
+        layout.setVerticalGroup(
+                layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                        .addGroup(layout.createSequentialGroup()
+                                .addGap(15, 15, 15)
+                                .addComponent(titleLabel)
+                                .addGap(7, 7, 7)
+                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+                                        .addComponent(filePane, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
+                                        .addComponent(browseButton))
+                                .addGap(18, 18, 18)
+                                .addComponent(formatLabel)
+                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
+                                .addComponent(exampleLabel, GroupLayout.PREFERRED_SIZE, 208, GroupLayout.PREFERRED_SIZE)
+                                .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, 23, Short.MAX_VALUE)
+                                .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
+                                        .addComponent(cancelButton)
+                                        .addComponent(submitButton))
+                                .addGap(23, 23, 23)));
+        pack();
+    }
+
+    private void cancelButtonActionPerformed(ActionEvent evt) {
+        this.dispose();
+    }
+
+    private void browseButtonActionPerformed(ActionEvent evt) {
+        JFileChooser fileChooser = new JFileChooser();
+        int returnVal = fileChooser.showOpenDialog(this);
+        if (returnVal == JFileChooser.APPROVE_OPTION) {
+            java.io.File file = fileChooser.getSelectedFile();
+            filePane.setText(file.getAbsolutePath());
+        }
+    }
+
+    private void submitButtonActionPerformed(ActionEvent evt) {
+        try (BufferedReader reader = new BufferedReader(new FileReader(filePane.getText()))) {
+            String line = "1";
+            String name = null;
+            String surname = null;
+            String email = null;
+            Date birth = null;
+            Date enrol = null;
+            String groupName = null;
+            String facultyName = null;
+            StudyField specialty = null;
+
+
+            while (true) {
+                line = reader.readLine();
+                if (line == null) break;
+                if (line.isEmpty()) line = reader.readLine();
+                name = line.substring("name: ".length());
+
+                line = reader.readLine();
+                if (line == null) break;
+                surname = line.substring("surname: ".length());
+
+                line = reader.readLine();
+                if (line == null) break;
+                email = line.substring("email: ".length());
+
+                line = reader.readLine();
+                if (line == null) break;
+                groupName = line.substring("group: ".length());
+
+                line = reader.readLine();
+                if (line == null) break;
+                facultyName = line.substring("faculty: ".length());
+
+                line = reader.readLine();
+                if (line == null) break;
+                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
+                birth = dateFormat.parse(line.substring("birthdate: ".length()));
+
+                line = reader.readLine();
+                if (line == null) break;
+                enrol = dateFormat.parse(line.substring("enroldate: ".length()));
+
+                line = reader.readLine();
+                if (line == null) break;
+                String spec = line.substring("specialty: ".length());
+
+
+                if (StudyField.getEnum(spec) == null) {
+                    specialty = StudyField.DEFAULT_UNASSIGNED;
+                } else {
+                    specialty = StudyField.getEnum(spec);
+                }
+
+                Faculty faculty;
+                Group group;
+                if (sv.getFacultyByName(facultyName) == null) {
+                    assert specialty != null;
+                    faculty = new Faculty(facultyName, specialty.getAbbreviation(), specialty);
+                    sv.addFaculty(faculty);
+                } else {
+                    faculty = sv.getFacultyByName(facultyName);
+                }
+
+                if (sv.getGroupByName(groupName) == null) {
+                    group = new Group(groupName);
+                    sv.addGroup(group, sv.getFacultyByName(facultyName));
+                } else {
+                    group = sv.getGroupByName(groupName);
+                }
+
+                sv.addStudent(name, surname, email, group, faculty, birth, enrol);
+            }
+        } catch (IOException | ParseException ex) {
+            throw new RuntimeException(ex);
+        }
+        this.dispose();
+    }
+}

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

@@ -4,6 +4,7 @@ import org.lumijiez.base.Faculty;
 import org.lumijiez.base.Grade;
 import org.lumijiez.base.Group;
 import org.lumijiez.base.Student;
+import org.lumijiez.enums.StudyField;
 
 import java.io.Serializable;
 import java.util.Date;
@@ -77,7 +78,24 @@ public class Supervisor implements Serializable {
         getFm().getGm().getSm().deleteStudent(st);
     }
 
+    public Faculty getFacultyByName(String facultyName) {
+        for (Faculty faculty : getFm().getFaculties()) {
+            if (faculty.getName().equals(facultyName))
+                return faculty;
+        }
+        return null;
+    }
+
+    public Group getGroupByName(String groupName) {
+        for (Group group : getFm().getGm().getGroups()) {
+            if (group.getName().equals(groupName))
+                return group;
+        }
+        return null;
+    }
+
     public FacultyManager getFm() {
         return fm;
     }
+
 }