path: root/src/com.example.portfolio2/com/example/portfolio2/HelloApplication.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.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.io.IOException;
import java.util.List;

/// Bachelorizer - JavaFX Window view
// Class is final to forbid subclassing,
// because object is passed to controller during instantiation
public final class HelloApplication extends Application {

    /// Default constructor
    // (declared explicitly only to silence javadoc)
    public HelloApplication(){}

    /// Label styling
    public static final String LABEL_STYLE =
        "-fx-font-weight: bold;-fx-font-size: 18;-fx-padding: 10";

    /// Application model
    private Model model = new Model();

    /// Application controller
    private Controller con = new Controller(model,this);

    /// database singleton
    MyDB myDB = new MyDB();

    /* Below is the original implementation of the UI elements with
    accompanying, individual calls to setOnAction to specify functionality.
    Before changing to a list format,
    we made sure methods in controller and model
    were generalized to allow for the new structure seamlessly.
    private ComboBox<String> programCombo = new ComboBox<>();
    private ComboBox<String> subject1Combo = new ComboBox<>();
    private ComboBox<String> subject2Combo = new ComboBox<>();
    private ComboBox<String> electiveCombo = new ComboBox<>();

    private ComboBox<String> programSelect = new ComboBox<>();
    private ComboBox<String> subject1Select = new ComboBox<>();
    private ComboBox<String> subject2Select = new ComboBox<>();
    private ComboBox<String> electiveSelect = new ComboBox<>();

    private TextArea programArea = new TextArea();
    private TextArea subject1Area = new TextArea();
    private TextArea subject2Area = new TextArea();
    private TextArea electiveArea = new TextArea();

    private Label programEcts = new Label();
    private Label subject1Ects = new Label();
    private Label subject2Ects = new Label();
    private Label electiveEcts = new Label();

    private VBox program = new VBox(new Label("Program"), programCombo, programSelect, programArea, programEcts);
    private VBox subject1 = new VBox(new Label("Subject 1"), subject1Combo, subject1Select, subject1Area, subject1Ects);
    private VBox subject2 = new VBox(new Label("Subject 2"), subject2Combo, subject2Select, subject2Area, subject2Ects);
    private VBox elective = new VBox(new Label("Elective"), electiveCombo, electiveSelect, electiveArea, electiveEcts);
    */

    @Override
    public void start(Stage stage) throws IOException {
        // clear old insertions into participation table
        con.initialize();

        // define list of columns based on their names
        List<ActivityColumn> columns = List.of(
            new ActivityColumn("Program"),
            new ActivityColumn("Subject 1"),
            new ActivityColumn("Subject 2"),
            new ActivityColumn("Elective")
        );

        // define list of subject modules
        List<String> subjectModules = List.of("Computer Science", "Informatik", "Astrology");

        // define button functionality for each activity column
        for (ActivityColumn col : columns) {
            col.nameLabel.setStyle(LABEL_STYLE);
            col.ectsLabel.setStyle(LABEL_STYLE);
            col.categoryCombo.setPrefSize(250, 35);
            col.activitySelect.setPrefSize(250, 35);
            col.area.setPrefWidth(250);

            // all boxes share same activity logic
            col.activitySelect.setOnAction(event -> {
                con.onActivitySelected(col.categoryCombo, col.activitySelect, col.area);
                con.updateEcts(col.ectsLabel, col.categoryCombo);
            });

            // handle each category box
            switch (col.name) {
              case "Program" -> {
                col.categoryCombo.getItems().addAll("HumTek", "NatBach");
                col.categoryCombo.setOnAction(event -> {
                    con.onComboSelected(col.categoryCombo, col.activitySelect, col.area);
                });
            }
              // TODO: use the list for filling the box
              case "Subject 1" -> {
                col.categoryCombo.getItems().addAll("Computer Science", "Informatik", "Astrology");
                col.categoryCombo.setOnAction(event -> {
                    con.onSubjectModuleSelected(col.categoryCombo, columns.get(2).categoryCombo, subjectModules);
                    con.onComboSelected(col.categoryCombo, col.activitySelect, col.area);
                });
            }
              case "Subject 2" -> {
                col.categoryCombo.getItems().addAll("Computer Science", "Informatik", "Astrology");
                // TODO: figure out a better way...
                col.categoryCombo.setOnAction(event -> {
                    con.onSubjectModuleSelected(col.categoryCombo, columns.get(1).categoryCombo, subjectModules);
                    con.onComboSelected(col.categoryCombo, col.activitySelect, col.area);
                });
            }
              case "Elective" -> {

                // hide useless box
                col.categoryCombo.setVisible(false);

                con.fillElective(col.activitySelect);
            }
            }
        }

        // define HBox and scene for columns
        HBox root = new HBox(columns.get(0).asVBox(), columns.get(1).asVBox(), columns.get(2).asVBox(), columns.get(3).asVBox());
        Scene scene = new Scene(root, 1000, 500);
        stage.setTitle("Course Selector RUC: Ultimate Deluxe Edition");
        stage.setScene(scene);
        stage.show();
    }

    /// JVM entry point
    ///
    /// @param args  command-line arguments
    public static void main(String[] args) {
        launch();
    }

    /// column of activities
    private class ActivityColumn {

        /// identifier stored in the text felt
        String name;

        /// display text
        Label nameLabel;

        /// dropdown list for categories
        ComboBox<String> categoryCombo;

        /// dropdown list for activities
        ComboBox<String> activitySelect;

        /// descriptionof chosen activities
        TextArea area;

        /// text to display ECTS points
        Label ectsLabel;

        /// column of activities
        ///
        /// @param name  identifier
        ActivityColumn(String name) {
            this.name = name;
            nameLabel = new Label(name);
            categoryCombo = new ComboBox<>();
            activitySelect = new ComboBox<>();
            area = new TextArea();
            ectsLabel = new Label();
        }

        /// activity columne as VBox
        ///
        /// @return  column of activities as VBox
        VBox asVBox() {
            return new VBox(nameLabel, categoryCombo, activitySelect, area, ectsLabel);
        }
    }
}