cicaprojekt/cicaprojekt/ApplicationFrame.java

package cicaprojekt;

import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;

public class ApplicationFrame implements Runnable
{
    private Game game;

    private JFrame jframe;

    private JPanel mapselectorpanel;
    private JPanel gamepanel;

    private JList<File> filelist;


    public ApplicationFrame(Game game){
        this.game = game;
    }

    private class ListMouseHandler extends MouseAdapter{
        @Override
        public void mouseClicked(MouseEvent e) {
            JOptionPane.showMessageDialog(null, ((JList<File>)e.getComponent()).getSelectedValue().toString());
        }
    }

    public void init(){
        jframe = new JFrame();
        jframe.setMinimumSize(new Dimension(600, 400));

        mapselectorpanel = new JPanel();

        DefaultListModel<File> dungeonslist = new DefaultListModel<>();
        File dir = new File(System.getProperty("user.dir"));
        FileNameExtensionFilter filter = new FileNameExtensionFilter("N/A", "dungeon");

        for (File f : dir.listFiles()) {
            if (filter.accept(f) && f.isFile()){
                dungeonslist.addElement(f);
            }
        }

        filelist = new JList<>(dungeonslist);
        filelist.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        filelist.setLayoutOrientation(JList.HORIZONTAL_WRAP);
        filelist.addMouseListener(new ListMouseHandler());

        mapselectorpanel.add(filelist);

        jframe.add(mapselectorpanel);

        //TODO rewrite demo ListMouseHandler and do Game stuff...
    }

    @Override
    public void run() {
        jframe.setVisible(true);
    }
}