OpenMenuItem.java

package gui.menu;

import gui.ScheduLearn;
import model.Status;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import javax.swing.JFileChooser;
import javax.swing.JMenuItem;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;

public abstract class OpenMenuItem extends JMenuItem implements ActionListener {
    protected ScheduLearn gui;
    protected Status status;

    public OpenMenuItem(ScheduLearn gui, Status status, String title) {
        super(title);
        this.gui = gui;
        this.status = status;
        addActionListener(this);
    }

    protected abstract void openAction(String path) throws FileNotFoundException;
    
    protected abstract int openDialog(JFileChooser fileChooser);

    public void actionPerformed(ActionEvent e) {
        JFileChooser fileChooser = new JFileChooser(".");
        FileFilter filter = new FileNameExtensionFilter("ScheduLearn files", "sl");
        fileChooser.setFileFilter(filter);
        int option = openDialog(fileChooser);
        if (option == fileChooser.APPROVE_OPTION) {
            File file = fileChooser.getSelectedFile();
            try {
                openAction(file.toString());
            } catch (FileNotFoundException error) {
                status.setStatus(error.getMessage());
            }
        }
    }
}