From 338ed053e38884e3a35ff6716730394ad09e4858 Mon Sep 17 00:00:00 2001
From: Daniel <danthevip@gmail.com>
Date: Wed, 20 Sep 2023 12:09:32 +0300
Subject: [PATCH] Implemented UI, fixed serialization inconsistency

---
 .idea/gradle.xml                              |   1 +
 .idea/uiDesigner.xml                          | 124 ++++++++++++++++++
 Lab2/src/main/java/org/lumijiez/Main.java     |  57 +-------
 .../lumijiez/gui/StudentManagementGUI.java    |  85 ++++++++++++
 .../org/lumijiez/gui/forms/AddGradeForm.java  |  60 +++++++++
 .../lumijiez/gui/forms/AddStudentForm.java    |  47 +++++++
 .../lumijiez/gui/forms/ChangeGroupForm.java   |  53 ++++++++
 .../lumijiez/gui/forms/DeleteStudentForm.java |  48 +++++++
 .../lumijiez/gui/forms/ShowGradesForm.java    |  47 +++++++
 .../org/lumijiez/managers/GroupManager.java   |  19 ++-
 .../java/org/lumijiez/managers/Manager.java   |  85 +++++++++---
 11 files changed, 542 insertions(+), 84 deletions(-)
 create mode 100644 .idea/uiDesigner.xml
 create mode 100644 Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java
 create mode 100644 Lab2/src/main/java/org/lumijiez/gui/forms/AddGradeForm.java
 create mode 100644 Lab2/src/main/java/org/lumijiez/gui/forms/AddStudentForm.java
 create mode 100644 Lab2/src/main/java/org/lumijiez/gui/forms/ChangeGroupForm.java
 create mode 100644 Lab2/src/main/java/org/lumijiez/gui/forms/DeleteStudentForm.java
 create mode 100644 Lab2/src/main/java/org/lumijiez/gui/forms/ShowGradesForm.java

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 0756247..e3c43d6 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
new file mode 100644
index 0000000..2b63946
--- /dev/null
+++ b/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Lab2/src/main/java/org/lumijiez/Main.java b/Lab2/src/main/java/org/lumijiez/Main.java
index 3f189c5..e0ed638 100644
--- a/Lab2/src/main/java/org/lumijiez/Main.java
+++ b/Lab2/src/main/java/org/lumijiez/Main.java
@@ -1,59 +1,12 @@
 package org.lumijiez;
 
-import org.lumijiez.base.Grade;
-import org.lumijiez.base.NameSurnameGroup;
-import org.lumijiez.data.DataDeserializer;
-import org.lumijiez.data.DataSerializer;
-import org.lumijiez.managers.Manager;
+import org.lumijiez.gui.StudentManagementGUI;
 
-import java.util.Scanner;
+import javax.swing.*;
 
 public class Main {
-    public static NameSurnameGroup readNSG() {
-        String name = sc.nextLine();
-        String surname = sc.nextLine();
-        String group = sc.nextLine();
-        return new NameSurnameGroup(name, surname, group);
-    }
-    public static Scanner sc = new Scanner(System.in);
+
     public static void main(String[] args) {
-        Manager studentManager = DataDeserializer.deserialize();
-
-        boolean exit = false;
-        while (!exit) {
-            System.out.println("===== Student Management System =====");
-            System.out.println("1. Show Students");
-            System.out.println("2. Show Groups");
-            System.out.println("3. Show Grades of a Student");
-            System.out.println("4. Add Grade to Student");
-            System.out.println("5. Add Student");
-            System.out.println("6. Remove student");
-            System.out.println("7. Exit and save");
-            System.out.print("Enter your choice: ");
-
-            int choice = sc.nextInt();
-            sc.nextLine();
-
-            switch (choice) {
-                case 1 -> studentManager.printStudents();
-                case 2 -> studentManager.printGroups();
-                case 3 -> studentManager.printGrades(readNSG());
-                case 4 -> studentManager.addGrade(readNSG(), new Grade(sc.nextLine(), sc.nextInt()));
-                case 5 -> studentManager.addStudent(readNSG());
-                case 6 -> studentManager.removeStudent(readNSG());
-                case 7 -> {
-                    DataSerializer.serialize(studentManager);
-                    exit = true;
-                }
-                default -> System.out.println("Invalid choice. Please try again.");
-            }
-
-            if (!exit) {
-                System.out.println("Press Enter to continue...");
-                sc.nextLine();
-            }
-        }
-
-        System.out.println("Goodbye!");
+        SwingUtilities.invokeLater(StudentManagementGUI::new);
     }
-}
\ No newline at end of file
+}
diff --git a/Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java b/Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java
new file mode 100644
index 0000000..13c6c32
--- /dev/null
+++ b/Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java
@@ -0,0 +1,85 @@
+package org.lumijiez.gui;
+
+import org.lumijiez.data.DataDeserializer;
+import org.lumijiez.data.DataSerializer;
+import org.lumijiez.gui.forms.*;
+import org.lumijiez.managers.Manager;
+
+import javax.swing.*;
+import java.awt.*;
+public class StudentManagementGUI{
+    private final Manager studentManager;
+    private final JFrame frame;
+    private final JTextArea outputTextArea;
+
+    public StudentManagementGUI() {
+        studentManager = DataDeserializer.deserialize();
+
+        frame = new JFrame("Student Management System");
+        frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
+        frame.setSize(800, 600);
+
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int centerX = (int) ((screenSize.getWidth() - frame.getWidth()) / 2);
+        int centerY = (int) ((screenSize.getHeight() - frame.getHeight()) / 2);
+        frame.setLocation(centerX, centerY);
+
+
+        JPanel mainPanel = new JPanel();
+        mainPanel.setLayout(new BorderLayout());
+
+        outputTextArea = new JTextArea();
+        outputTextArea.setEditable(false);
+        outputTextArea.setText("===== Students =====\n" + studentManager.getStudentsText());
+
+        JScrollPane scrollPane = new JScrollPane(outputTextArea);
+
+        mainPanel.add(scrollPane, BorderLayout.CENTER);
+
+        JPanel buttonPanel = new JPanel(new GridLayout(0, 1));
+
+        JButton showStudentsBtn = new JButton("Show Students");
+        JButton showGroupsBtn = new JButton("Show Groups");
+        JButton changeStudentGroup = new JButton("Change group");
+        JButton addStudentBtn = new JButton("Add Student");
+        JButton addStudentGrade = new JButton("Add Grade");
+        JButton deleteStudentBtn = new JButton("Delete Student");
+        JButton showStudentGradesBtn = new JButton("Show Student Grades");
+        JButton saveAndExitBtn = new JButton("Save and Exit");
+
+
+        showStudentsBtn.addActionListener(e -> outputTextArea.setText("===== Students =====\n" + studentManager.getStudentsText()));
+
+        showGroupsBtn.addActionListener(e -> outputTextArea.setText("===== Groups =====\n" + studentManager.getGroupsText()));
+
+        addStudentBtn.addActionListener(e -> new AddStudentForm(centerX, centerY, studentManager, outputTextArea));
+
+        changeStudentGroup.addActionListener(e -> new ChangeGroupForm(centerX, centerY, studentManager, outputTextArea));
+
+        showStudentGradesBtn.addActionListener(e -> new ShowGradesForm(centerX, centerY, studentManager, outputTextArea));
+
+        deleteStudentBtn.addActionListener(e -> new DeleteStudentForm(centerX, centerY, studentManager, outputTextArea));
+
+        addStudentGrade.addActionListener(e -> new AddGradeForm(centerX, centerY, studentManager, outputTextArea));
+
+
+        saveAndExitBtn.addActionListener(e -> {
+            DataSerializer.serialize(studentManager);
+            frame.dispose();
+            System.exit(0);
+        });
+
+        buttonPanel.add(showStudentsBtn);
+        buttonPanel.add(showGroupsBtn);
+        buttonPanel.add(showStudentGradesBtn);
+        buttonPanel.add(addStudentBtn);
+        buttonPanel.add(addStudentGrade);
+        buttonPanel.add(deleteStudentBtn);
+        buttonPanel.add(saveAndExitBtn);
+
+        mainPanel.add(buttonPanel, BorderLayout.WEST);
+
+        frame.getContentPane().add(mainPanel);
+        frame.setVisible(true);
+    }
+}
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/AddGradeForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/AddGradeForm.java
new file mode 100644
index 0000000..42f7f2c
--- /dev/null
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/AddGradeForm.java
@@ -0,0 +1,60 @@
+package org.lumijiez.gui.forms;
+
+import org.lumijiez.base.Grade;
+import org.lumijiez.base.NameSurnameGroup;
+import org.lumijiez.managers.Manager;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class AddGradeForm extends JFrame {
+    public AddGradeForm(int centerX, int centerY, Manager studentManager, JTextArea outputTextArea) {
+        this.setTitle("Add Grade");
+        this.setSize(400, 300);
+        this.setLocation(centerX, centerY);
+
+        JPanel formPanel = new JPanel(new GridLayout(4, 2));
+
+        JLabel nameLabel = new JLabel("Name:");
+        JTextField nameField = new JTextField();
+        JLabel surnameLabel = new JLabel("Surname:");
+        JTextField surnameField = new JTextField();
+        JLabel groupLabel = new JLabel("Group:");
+        JTextField groupField = new JTextField();
+        JLabel subjectLabel = new JLabel("Subject:");
+        JTextField subjectField = new JTextField();
+        JLabel gradeLabel = new JLabel("Grade:");
+        JTextField gradeField = new JTextField();
+
+        JButton submitButton = new JButton("Submit");
+
+        formPanel.add(nameLabel);
+        formPanel.add(nameField);
+        formPanel.add(surnameLabel);
+        formPanel.add(surnameField);
+        formPanel.add(groupLabel);
+        formPanel.add(groupField);
+        formPanel.add(subjectLabel);
+        formPanel.add(subjectField);
+        formPanel.add(gradeLabel);
+        formPanel.add(gradeField);
+        formPanel.add(submitButton);
+
+        this.add(formPanel);
+
+        submitButton.addActionListener(e -> {
+            String name = nameField.getText();
+            String surname = surnameField.getText();
+            String group = groupField.getText();
+            String subject = subjectField.getText();
+            String grade = gradeField.getText();
+
+            if (!name.isEmpty() && !surname.isEmpty() && !group.isEmpty() && !subject.isEmpty() && !grade.isEmpty()) {
+                studentManager.addGrade(new NameSurnameGroup(name, surname, group), new Grade(subject, Integer.parseInt(grade)));
+                outputTextArea.setText("===== Students =====\n" + studentManager.getStudentsText());
+                this.dispose();
+            } else JOptionPane.showMessageDialog(this, "Please fill in all fields.");
+        });
+        this.setVisible(true);
+    }
+}
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/AddStudentForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/AddStudentForm.java
new file mode 100644
index 0000000..7afeb2c
--- /dev/null
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/AddStudentForm.java
@@ -0,0 +1,47 @@
+package org.lumijiez.gui.forms;
+
+import org.lumijiez.base.NameSurnameGroup;
+import org.lumijiez.managers.Manager;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class AddStudentForm extends JFrame {
+    public AddStudentForm(int centerX, int centerY, Manager studentManager, JTextArea outputTextArea) {
+        this.setTitle("Add Student");
+        this.setSize(400, 300);
+        this.setLocation(centerX, centerY);
+
+        JPanel formPanel = new JPanel(new GridLayout(4, 2));
+
+        JLabel nameLabel = new JLabel("Name:");
+        JTextField nameField = new JTextField();
+        JLabel surnameLabel = new JLabel("Surname:");
+        JTextField surnameField = new JTextField();
+        JLabel groupLabel = new JLabel("Group:");
+        JTextField groupField = new JTextField();
+        JButton submitButton = new JButton("Submit");
+
+        formPanel.add(nameLabel);
+        formPanel.add(nameField);
+        formPanel.add(surnameLabel);
+        formPanel.add(surnameField);
+        formPanel.add(groupLabel);
+        formPanel.add(groupField);
+        formPanel.add(submitButton);
+
+        this.add(formPanel);
+
+        submitButton.addActionListener(e -> {
+            String name = nameField.getText();
+            String surname = surnameField.getText();
+            String group = groupField.getText();
+            if (!name.isEmpty() && !surname.isEmpty() && !group.isEmpty()) {
+                studentManager.addStudent(new NameSurnameGroup(name, surname, group));
+                outputTextArea.setText("===== Students =====\n" + studentManager.getStudentsText());
+                this.dispose();
+            } else JOptionPane.showMessageDialog(this, "Please fill in all fields.");
+        });
+        this.setVisible(true);
+    }
+}
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/ChangeGroupForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/ChangeGroupForm.java
new file mode 100644
index 0000000..35eef59
--- /dev/null
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/ChangeGroupForm.java
@@ -0,0 +1,53 @@
+package org.lumijiez.gui.forms;
+
+import org.lumijiez.base.NameSurnameGroup;
+import org.lumijiez.managers.Manager;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class ChangeGroupForm extends JFrame {
+    public ChangeGroupForm(int centerX, int centerY, Manager studentManager, JTextArea outputTextArea) {
+        this.setTitle("Change Group");
+        this.setSize(400, 300);
+        this.setLocation(centerX, centerY);
+
+        JPanel formPanel = new JPanel(new GridLayout(4, 2));
+
+        JLabel nameLabel = new JLabel("Name:");
+        JTextField nameField = new JTextField();
+        JLabel surnameLabel = new JLabel("Surname:");
+        JTextField surnameField = new JTextField();
+        JLabel groupLabel = new JLabel("Group:");
+        JTextField groupField = new JTextField();
+        JLabel newgroupLabel = new JLabel("New Group:");
+        JTextField newgroupField = new JTextField();
+        JButton submitButton = new JButton("Submit");
+
+        formPanel.add(nameLabel);
+        formPanel.add(nameField);
+        formPanel.add(surnameLabel);
+        formPanel.add(surnameField);
+        formPanel.add(groupLabel);
+        formPanel.add(groupField);
+        formPanel.add(newgroupLabel);
+        formPanel.add(newgroupField);
+        formPanel.add(submitButton);
+
+        this.add(formPanel);
+
+        submitButton.addActionListener(e -> {
+            String name = nameField.getText();
+            String surname = surnameField.getText();
+            String group = groupField.getText();
+            String newgroup = newgroupField.getText();
+            if (!name.isEmpty() && !surname.isEmpty() && !group.isEmpty() && !newgroup.isEmpty()) {
+                studentManager.changeGroup(new NameSurnameGroup(name, surname, group), newgroup);
+                outputTextArea.setText("===== Groups =====\n" + studentManager.getGroupsText());
+                this.dispose();
+            } else JOptionPane.showMessageDialog(this, "Please fill in all fields.");
+        });
+        this.setVisible(true);
+    }
+
+}
\ No newline at end of file
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/DeleteStudentForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/DeleteStudentForm.java
new file mode 100644
index 0000000..fd705c4
--- /dev/null
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/DeleteStudentForm.java
@@ -0,0 +1,48 @@
+package org.lumijiez.gui.forms;
+
+import org.lumijiez.base.NameSurnameGroup;
+import org.lumijiez.managers.Manager;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class DeleteStudentForm extends JFrame {
+    public DeleteStudentForm(int centerX, int centerY, Manager studentManager, JTextArea outputTextArea) {
+        this.setTitle("Delete Student");
+        this.setSize(400, 300);
+        this.setLocation(centerX, centerY);
+
+        JPanel formPanel = new JPanel(new GridLayout(4, 2));
+
+        JLabel nameLabel = new JLabel("Name:");
+        JTextField nameField = new JTextField();
+        JLabel surnameLabel = new JLabel("Surname:");
+        JTextField surnameField = new JTextField();
+        JLabel groupLabel = new JLabel("Group:");
+        JTextField groupField = new JTextField();
+        JButton submitButton = new JButton("Submit");
+
+        formPanel.add(nameLabel);
+        formPanel.add(nameField);
+        formPanel.add(surnameLabel);
+        formPanel.add(surnameField);
+        formPanel.add(groupLabel);
+        formPanel.add(groupField);
+        formPanel.add(submitButton);
+
+        this.add(formPanel);
+
+        submitButton.addActionListener(e -> {
+                String name = nameField.getText();
+                String surname = surnameField.getText();
+                String group = groupField.getText();
+                if (!name.isEmpty() && !surname.isEmpty() && !group.isEmpty()) {
+                    studentManager.removeStudent(new NameSurnameGroup(name, surname, group));
+                    outputTextArea.setText("===== Students =====\n" + studentManager.getStudentsText());
+                    this.dispose();
+                } else JOptionPane.showMessageDialog(this, "Please fill in all fields.");
+        });
+        this.setVisible(true);
+    }
+
+}
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/ShowGradesForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/ShowGradesForm.java
new file mode 100644
index 0000000..3e9ec29
--- /dev/null
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/ShowGradesForm.java
@@ -0,0 +1,47 @@
+package org.lumijiez.gui.forms;
+
+import org.lumijiez.base.NameSurnameGroup;
+import org.lumijiez.managers.Manager;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class ShowGradesForm extends JFrame {
+    public ShowGradesForm(int centerX, int centerY, Manager studentManager, JTextArea outputTextArea) {
+        this.setTitle("Show Grades Student");
+        this.setSize(400, 300);
+        this.setLocation(centerX, centerY);
+
+        JPanel formPanel = new JPanel(new GridLayout(4, 2));
+
+        JLabel nameLabel = new JLabel("Name:");
+        JTextField nameField = new JTextField();
+        JLabel surnameLabel = new JLabel("Surname:");
+        JTextField surnameField = new JTextField();
+        JLabel groupLabel = new JLabel("Group:");
+        JTextField groupField = new JTextField();
+        JButton submitButton = new JButton("Submit");
+
+        formPanel.add(nameLabel);
+        formPanel.add(nameField);
+        formPanel.add(surnameLabel);
+        formPanel.add(surnameField);
+        formPanel.add(groupLabel);
+        formPanel.add(groupField);
+        formPanel.add(submitButton);
+
+        this.add(formPanel);
+
+        submitButton.addActionListener(e -> {
+            String name = nameField.getText();
+            String surname = surnameField.getText();
+            String group = groupField.getText();
+            if (!name.isEmpty() && !surname.isEmpty() && !group.isEmpty()) {
+                NameSurnameGroup nsg = new NameSurnameGroup(name, surname, group);
+                outputTextArea.setText("===== Grades =====\n" + name + " " + surname + "\n" + studentManager.getGradesText(nsg));
+                this.dispose();
+            } else JOptionPane.showMessageDialog(this, "Please fill in all fields.");
+        });
+        this.setVisible(true);
+    }
+}
diff --git a/Lab2/src/main/java/org/lumijiez/managers/GroupManager.java b/Lab2/src/main/java/org/lumijiez/managers/GroupManager.java
index fc68802..dc4eb9d 100644
--- a/Lab2/src/main/java/org/lumijiez/managers/GroupManager.java
+++ b/Lab2/src/main/java/org/lumijiez/managers/GroupManager.java
@@ -10,26 +10,23 @@ public class GroupManager implements Serializable {
     private final List<Group> groups = new ArrayList<>();
 
     public Group getGroup(String groupName) {
-        for (Group group : groups) {
-            if (group.getName().equals(groupName)) {
-                return group;
-            }
-        }
+        for (Group group : groups)
+            if (group.getName().equals(groupName)) return group;
         Group newGroup = new Group(groupName);
         groups.add(newGroup);
         return newGroup;
     }
 
-    public void addGroup(Group group) {
-        groups.add(group);
-    }
+//    public void addGroup(Group group) {
+//        groups.add(group);
+//    }
 
     public List<Group> getGroups() {
         return groups;
     }
 
-    public void deleteGroup(Group group) {
-        groups.remove(group);
-    }
+//    public void deleteGroup(Group group) {
+//        groups.remove(group);
+//    }
 
 }
diff --git a/Lab2/src/main/java/org/lumijiez/managers/Manager.java b/Lab2/src/main/java/org/lumijiez/managers/Manager.java
index 8900a54..c52f837 100644
--- a/Lab2/src/main/java/org/lumijiez/managers/Manager.java
+++ b/Lab2/src/main/java/org/lumijiez/managers/Manager.java
@@ -8,41 +8,84 @@ import org.lumijiez.base.Student;
 import java.io.Serializable;
 
 public class Manager implements Serializable {
-    GroupManager groupManager;
+    private final GroupManager groupManager;
 
     public Manager() {
         this.groupManager = new GroupManager();
     }
 
-    public void addGroup(String groupName) {
-        groupManager.addGroup(new Group(groupName));
+    public String getStudentsText() {
+        StringBuilder info = new StringBuilder();
+        for (Group group : groupManager.getGroups()) {
+            for (Student student : group.getStudents()) {
+                info.append(student.getFullname()).append(" ").append(student.getGroup().getName()).append("\n");
+            }
+        }
+        return info.toString();
     }
 
+    public String getGradesText(NameSurnameGroup NSG) {
+        StringBuilder info = new StringBuilder();
+        for (Grade grade : groupManager.getGroup(NSG.group()).getStudent(NSG.name(), NSG.surname()).getGrades()) {
+            info.append(grade.getSubject()).append(" ").append(grade.getGrade());
+        }
+        return info.toString();
+    }
+
+    public String getGroupsText() {
+        StringBuilder info = new StringBuilder();
+        for (Group group : groupManager.getGroups()) {
+            info.append(group.getName()).append("\n");
+        }
+        return info.toString();
+    }
+
+//    public Student getStudent(NameSurnameGroup NSG) {
+//        return groupManager.getGroup(NSG.group()).getStudent(NSG.name(), NSG.surname());
+//    }
+
+    public void changeGroup(NameSurnameGroup NSG, String groupName) {
+        Group gr = groupManager.getGroup(groupName);
+        groupManager.getGroup(groupName).getStudent(NSG.name(), NSG.surname()).setGroup(gr);
+    }
+
+//    public void addGroup(String groupName) {
+//        groupManager.addGroup(new Group(groupName));
+//    }
+
+//    public void removeGroup(String groupName) {
+//        groupManager.deleteGroup(groupManager.getGroup(groupName));
+//    }
+
+//    public GroupManager getGroupManager() {
+//        return groupManager;
+//    }
+
     public void addStudent(NameSurnameGroup NSG) {
         Group currentGroup = groupManager.getGroup(NSG.group());
         currentGroup.addStudent(new Student(NSG.name(), NSG.surname(), currentGroup));
     }
 
-    public void printStudents() {
-        for (Group group : groupManager.getGroups()) {
-            for (Student student : group.getStudents()) {
-                System.out.println(student.getFullname() + " " + student.getGroup().getName());
-            }
-        }
-    }
+//    public void printStudents() {
+//        for (Group group : groupManager.getGroups()) {
+//            for (Student student : group.getStudents()) {
+//                System.out.println(student.getFullname() + " " + student.getGroup().getName());
+//            }
+//        }
+//    }
 
-    public void printGroups() {
-        for (Group group : groupManager.getGroups()) {
-            System.out.println(group.getName());
-        }
-    }
+//    public void printGroups() {
+//        for (Group group : groupManager.getGroups()) {
+//            System.out.println(group.getName());
+//        }
+//    }
 
-    public void printGrades(NameSurnameGroup NSG) {
-        Student student = groupManager.getGroup(NSG.group()).getStudent(NSG.name(), NSG.surname());
-        for (Grade grade : student.getGrades()) {
-            System.out.println(grade.getSubject() + " " + grade.getGrade());
-        }
-    }
+//    public void printGrades(NameSurnameGroup NSG) {
+//        Student student = groupManager.getGroup(NSG.group()).getStudent(NSG.name(), NSG.surname());
+//        for (Grade grade : student.getGrades()) {
+//            System.out.println(grade.getSubject() + " " + grade.getGrade());
+//        }
+//    }
 
     public void addGrade(NameSurnameGroup NSG, Grade grade) {
         Student student = groupManager.getGroup(NSG.group()).getStudent(NSG.name(), NSG.surname());