filter.py

self.load_students_to_table()
self.search_bar.textChanged.connect(self.filter_students_table)
self.class_combo_box.currentTextChanged.connect(self.filter_students_table)
self.class_combo_box.addItem("All Classes")  # Default option to show all students
self.class_combo_box.addItems(get_classes())  # Populate with class names

  
  
  
  def load_students_to_table(self):
        """Load all students into the table."""
        self.students = get_students_info()  # Fetch the full dataset
        #self.display_students(self.students)
        self.filter_students_table()

    def display_students(self, students):
        """Display a given list of students in the table."""
        self.students_table.setRowCount(len(students))
        self.students_table.setColumnCount(9)
        self.students_table.setHorizontalHeaderLabels([
            "Student ID", "Full Name", "Gender", "Grade",
            "Class Name", "Birth Date", "Address", "Phone", "Email"
        ])

        for row_idx, student in enumerate(students):
            for col_idx, data in enumerate(student):
                item = QTableWidgetItem(str(data) if data is not None else "")
                self.students_table.setItem(row_idx, col_idx, item)

                
    def filter_students_table(self):
        """Filter the table based on the search input and selected class."""
        search_text = self.search_bar.text().strip().lower()
        selected_class = self.class_combo_box.currentText()

        # Filter based on class and search text
        filtered_students = self.students

        # If a specific class is selected, filter by class
        if selected_class != "All Classes":
            filtered_students = [
                student for student in filtered_students if student[4] == selected_class
            ]

        # Further filter by search text
        if search_text:
            filtered_students = [
                student for student in filtered_students if search_text in student[1].lower()
            ]

        self.display_students(filtered_students)