src/com.example.portfolio2/com/example/portfolio2/Controller.java



package com.example.portfolio2;

import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;

import java.util.List;

class Controller{
    private Model model;
    private HelloApplication view; // We do this without using the view directly like this, instead passing options.
    void initialize() { // calls on the database
        model.initialize();
    }
    Controller(Model model, HelloApplication view){
        this.model=model; this.view=view;
    }
    void onComboSelected(ComboBox<String> combo, ComboBox<String> select, TextArea area) {
        select.getItems().clear(); // Clear the activity selection box
        area.clear(); // Clear text area
        select.getItems().addAll(model.selectProgram((String) combo.getValue())); // Fill activity box using model method
    }
    void onActivitySelected(ComboBox<String> combo, ComboBox<String> select, TextArea area) {
        addActivity((String) select.getValue(), area); // Passes the value chosen in the box
        updateArea(combo, area); // Updates the text area based on the category choice
        // users can choose from the ComboBox, string (activity) and the area would update.
    }
    void onSubjectModuleSelected(ComboBox<String> subject1, ComboBox<String> subject2, List<String> subjectModules) {
        // Beautiful loop we've created to remove option chosen in one subject module box from the other
        for (String sub : subjectModules) {
            if (sub.equals(subject1.getValue())) {
                subject2.getItems().remove(subject1.getValue());
            } else if (!sub.equals(subject1.getValue()) && !subject2.getItems().contains(sub)) {
                subject2.getItems().add(sub);
            }
        }
    }
    void addActivity(String s, TextArea textArea) { // Calls on model method to add participation in the database
        model.addParticipation(model.getActivityIndeks(s));
    }
    void updateArea(ComboBox combo, TextArea textArea) { // Clears the text area and adds all activity names from activities in participation
        textArea.clear();
        for(String s : model.getParticipation((String) combo.getValue())) {
            textArea.appendText(s + "\n");
        }
    }
    void updateEcts(Label ectslabel, ComboBox<String> comboBox) { // Updates the labels with the current ECTS of the program type
        ectslabel.setText("ECTS: "+model.getSumEcts(comboBox.getValue()));
    }
    void fillElective(ComboBox<String> electiveBox) {
        electiveBox.getItems().addAll(model.getAllActivities());
    }
}