path: root/src/com.example.portfolio2/com/example/portfolio2/Controller.java

// SPDX-FileCopyrightText: <Alexander Marthin Klemensen stud-marthin@ruc.dk>
// SPDX-FileCopyrightText: <Ian Valentin Christensen stud-ianc@ruc.dk>
// SPDX-FileCopyrightText: <Zahed Noos zahed@ruc.dk>
// SPDX-License-Identifier: GPL-3.0-or-later

package com.example.portfolio2;

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

import java.util.List;

/// Bachelorizer - Controller
class Controller {

    /// Storage model
    private Database store;

    /// Application view
    private Window view;

    /// clear the participation database at program launch
    void initialize() {
        store.initialize();
    }

    /// default constructor
    ///
    /// @param store  Storage model
    /// @param view   Application view
    Controller(final Database store, final Window view) {
        this.store = store;
        this.view = view;
    }

    /// callback when category has been selected
    ///
    /// @param combo   involved activity box
    /// @param select  selected item
    /// @param area    whole text area
    void onCategorySelected(
        final ComboBox<String> combo,
        final ComboBox<String> select,
        final TextArea area
    ) {

        // clear the activity selection box
        select.getItems().clear();

        // clear text area
        area.clear();

        // fill activity box from data in store
        select.getItems().addAll(
            store.selectProgram(combo.getValue()));
    }

    /// callback when activity has been selected
    ///
    /// @param combo   involved activity box
    /// @param select  selected item
    /// @param area    whole text area
    void onActivitySelected(
        final ComboBox<String> combo,
        final ComboBox<String> select,
        final TextArea area
    ) {

        // pass the value chosen in the box
        addActivity(select.getValue(), area);

        // update text area based on category choice
        //
        // Users can choose from the ComboBox,
        // and string (activity) and the area will then update.
        updateArea(combo, area);
    }

    /// callback when subject module has been selected
    ///
    /// @param subject1        involved 1st column subject module box
    /// @param subject2        involved 2nd column subject module box
    /// @param subjectModules  list of selected subject modules
    void onSubjectModuleSelected(
        final ComboBox<String> subject1,
        final ComboBox<String> subject2,
        final List<String> subjectModules
    ) {

        // remove chosen option from opposite subject module box
        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);
            }
        }
    }

    /// add participation to database
    /// @param s         activity identifier
    /// @param textArea  whole text area
    void addActivity(final String s, final TextArea textArea) {
        store.addParticipation(store.getActivityIndeks(s));
    }

    /// update text area for an activity box
    ///
    /// Clears the text area
    /// and adds all activity names from activities in participation.
    ///
    /// @param combo     involved activity box
    /// @param textArea  whole text area
    void updateArea(
        final ComboBox<String> combo, final TextArea textArea
    ) {
        textArea.clear();
        for (String s: store.getParticipation(combo.getValue())
        ) {
            textArea.appendText(s + "\n");
        }
    }

    /// update label with current ECTS of program type
    /// @param ectslabel  text display area for ECTS points
    /// @param comboBox   involved activity box
    void updateEcts(
        final Label ectslabel, final ComboBox<String> comboBox
    ) {
        ectslabel.setText("ECTS: "
            + store.getSumEcts(comboBox.getValue()));
    }

    void fillElective(final ComboBox<String> electiveBox) {
        electiveBox.getItems().addAll(store.getAllActivities());
    }
}