Add GUI Color Coding

src/main/java/seedu/address/model/person/Student.java

@@ -1,5 +1,6 @@
 package seedu.address.model.person;
 
+import java.util.HashSet;
 import java.util.Objects;
 import java.util.Set;
 
@@ -27,13 +28,19 @@ public class Student extends Person {
      */
     public Student(Name name, Phone phone, Email email, Address address, Set<Tag> tags,
                    Subject subject, Set<String> classes) {
-        super(name, phone, email, address, tags);
+        super(name, phone, email, address, addStudentTag(tags));
         Objects.requireNonNull(subject, "Subject must not be null");
         Objects.requireNonNull(classes, "Classes must not be null");
         this.subject = subject;
         this.classes = classes;
     }
 
+    private static Set<Tag> addStudentTag(Set<Tag> tags) {
+        Set<Tag> modifiedTags = new HashSet<>(tags);
+        modifiedTags.add(new Tag("student"));
+        return modifiedTags;
+    }
+
     public Subject getSubject() {
         return subject;
     }

src/main/java/seedu/address/model/person/Teacher.java

@@ -1,5 +1,6 @@
 package seedu.address.model.person;
 
+import java.util.HashSet;
 import java.util.Objects;
 import java.util.Set;
 
@@ -32,7 +33,7 @@ public class Teacher extends Person {
      */
     public Teacher(Name name, Gender gender, Phone phone, Email email, Address address, Set<Tag> tags,
                    Subject subject, Set<String> classes) {
-        super(name, phone, email, address, tags);
+        super(name, phone, email, address, addTeacherTag(tags));
         Objects.requireNonNull(gender, "Gender cannot be null");
         this.gender = gender;
         Objects.requireNonNull(subject, "Subject cannot be null");
@@ -45,6 +46,12 @@ public Gender getGender() {
         return this.gender;
     }
 
+    private static Set<Tag> addTeacherTag(Set<Tag> tags) {
+        Set<Tag> modifiedTags = new HashSet<>(tags);
+        modifiedTags.add(new Tag("teacher"));
+        return modifiedTags;
+    }
+
     public Subject getSubject() {
         return this.subject;
     }

src/main/java/seedu/address/ui/PersonCard.java

@@ -1,7 +1,5 @@
 package seedu.address.ui;
 
-import java.util.Comparator;
-
 import javafx.fxml.FXML;
 import javafx.scene.control.Label;
 import javafx.scene.layout.FlowPane;
@@ -47,13 +45,26 @@
     public PersonCard(Person person, int displayedIndex) {
         super(FXML);
         this.person = person;
+
+        // Check the tags for "student" or "teacher"
+        if (person.getTags().stream().anyMatch(tag -> tag.tagName.equals("student"))) {
+            cardPane.setStyle("-fx-background-color: #349beb;"); // Inline style for student
+            System.out.println("student");
+        } else if (person.getTags().stream().anyMatch(tag -> tag.tagName.equals("teacher"))) {
+            cardPane.setStyle("-fx-background-color: #269e2e;"); // Inline style for teacher
+            System.out.println("teacher");
+        } else {
+            // Optional: Set default style for other persons without "student" or "teacher" tags
+            cardPane.setStyle("-fx-background-color: #494a46;"); // Default style
+            System.out.println("default");
+        }
+
+        // Set other UI components
         id.setText(displayedIndex + ". ");
         name.setText(person.getName().fullName);
         phone.setText(person.getPhone().value);
         address.setText(person.getAddress().value);
         email.setText(person.getEmail().value);
-        person.getTags().stream()
-                .sorted(Comparator.comparing(tag -> tag.tagName))
-                .forEach(tag -> tags.getChildren().add(new Label(tag.tagName)));
     }
+
 }

src/main/java/seedu/address/ui/PersonListPanel.java

@@ -9,6 +9,8 @@
 import javafx.scene.layout.Region;
 import seedu.address.commons.core.LogsCenter;
 import seedu.address.model.person.Person;
+import seedu.address.model.person.Student;
+import seedu.address.model.person.Teacher;
 
 /**
  * Panel containing the list of persons.
@@ -38,12 +40,34 @@
             super.updateItem(person, empty);
 
             if (empty || person == null) {
+                // Clear the cell if it's empty
                 setGraphic(null);
                 setText(null);
+                getStyleClass().removeAll("student-card", "teacher-card"); // Clear any previous styles
             } else {
-                setGraphic(new PersonCard(person, getIndex() + 1).getRoot());
+                // Set the PersonCard as the graphic for the ListCell
+                PersonCard personCard = new PersonCard(person, getIndex() + 1);
+                setGraphic(personCard.getRoot());
+
+                // Remove any previous styles applied to the cell
+                getStyleClass().removeAll("student-card", "teacher-card");
+
+                // Apply the appropriate style based on whether the person is a Student or Teacher
+                if (person instanceof Student) {
+                    // Apply inline style for student
+                    setStyle("-fx-background-color: #349beb;");
+                    System.out.println("student");
+
+                } else if (person instanceof Teacher) {
+                    // Apply inline style for teacher
+                    setStyle("-fx-background-color: #269e2e;");
+                } else {
+                    // Optionally, clear the style for other types of people
+                    setStyle("");
+                }
             }
         }
+
     }
 
 }

src/main/resources/view/DarkTheme.css

@@ -99,6 +99,16 @@
     -fx-padding: 0 0 0 0;
 }
 
+.student-card {
+    -fx-background-color: #349beb; /* Blue background for students */
+    -fx-text-fill: white; /* Ensure text is readable on the blue background */
+}
+
+.teacher-card {
+    -fx-background-color: #269e2e; /* Green background for teachers */
+    -fx-text-fill: white; /* Ensure text is readable on the green background */
+}
+
 .list-cell:filled:even {
     -fx-background-color: #3c3e3f;
 }

src/test/java/seedu/address/model/person/StudentTest.java

@@ -18,7 +18,7 @@ public void testStudentCreation() {
         assertEquals(new Email("amy@gmail.com"), student.getEmail());
         assertEquals(new Address("123, Jurong West Ave 6, #08-111"), student.getAddress());
         assertEquals(new Subject("Mathematics"), student.getSubject());
-        assertEquals(0, student.getTags().size());
+        assertEquals(1, student.getTags().size());
         assertEquals(0, student.getClasses().size());
     }
 
@@ -38,7 +38,7 @@ public void testStudentWithCustomDetails() {
         assertEquals(new Email("john@example.com"), student.getEmail());
         assertEquals(new Address("456, Clementi Ave 3, #12-34"), student.getAddress());
         assertEquals(new Subject("Physics"), student.getSubject());
-        assertEquals(2, student.getTags().size());
+        assertEquals(3, student.getTags().size());
         assertEquals(2, student.getClasses().size());
     }
 

src/test/java/seedu/address/model/person/TeacherTest.java

@@ -27,11 +27,11 @@ public void createTeacher_success() {
         assertEquals("johndoe@hotmail.com", teacher.getEmail().toString());
         assertEquals("123 Main St", teacher.getAddress().toString());
         assertEquals("Math", teacher.getSubject().toString());
-        assertEquals(1, teacher.getTags().size());
+        assertEquals(2, teacher.getTags().size());
         assertEquals(1, teacher.getClasses().size());
         assertEquals("seedu.address.model.person.Teacher{name=John Doe, gender=male, phone=12345678, "
-                + "email=johndoe@hotmail.com, address=123 Main St, tags=[[Friends]], subject=Math, classes=[1A]}",
-                teacher.toString());
+                + "email=johndoe@hotmail.com, address=123 Main St, tags=[[teacher],"
+                        + " [Friends]], subject=Math, classes=[1A]}", teacher.toString());
     }
 
     @Test