OBP2_V10

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.io.*;
import java.net.InetAddress;
import java.net.Socket;

/**
 * Created by korisnik on 26.12.17..
 */
public class KlijentProzor extends JFrame implements ActionListener{

    private BufferedReader br;
    private PrintWriter bw;
    private Container c;
    public Socket s;
    private String komanda="reg";

    KlijentProzor(){
        setTitle("podmornice");
        setSize(400,600);

        c = getContentPane();
        dodajKomponente();



        setVisible(true);
    }

    public void dodajKomponente(){
        JMenuBar glavnimeni = new JMenuBar();
        setJMenuBar(glavnimeni);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JMenu meni1 = new JMenu("Program");
        glavnimeni.add(meni1);
        meni1.add(new JMenuItem("Snimi")).addActionListener(this); // moze i samo meni1.add("snimi).addActionListener(this);
        JCheckBoxMenuItem cbmi = new JCheckBoxMenuItem("Konekcija sa serverom");
        cbmi.addItemListener(new ItemListener(){
            @Override
            public void itemStateChanged(ItemEvent e){
                if(cbmi.getState()) {
                    try {
                        s = new Socket(InetAddress.getByName("172.17.21.144"), 9000);
                        br = new BufferedReader(new InputStreamReader(s.getInputStream()));
                        bw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(s.getOutputStream())),true);
                    }catch (IOException ex){
                        JOptionPane.showMessageDialog(c,"greska pri konekciji");
                        cbmi.setState(false);
                    }
                }else {
                    try{
                        s.close();
                        bw.close();
                        br.close();
                    }catch (IOException ex){
                        ex.printStackTrace();
                    }
                }
            }
        });
        meni1.add(cbmi);
        meni1.add(new JMenuItem("izlaz"));

        JMenu meni2 = new JMenu("meni2");
        glavnimeni.add(meni2);
        meni2.add(new JMenuItem("1"));

        JRadioButton regRB = new JRadioButton("registracija");
        regRB.addItemListener(new ItemListener() {
            @Override
            public void itemStateChanged(ItemEvent e) {
                komanda="reg";
            }
        });
        regRB.setSelected(true);
        JRadioButton vremeRB = new JRadioButton("Vreme");
        vremeRB.addItemListener(new ItemListener() {
            @Override
            public void itemStateChanged(ItemEvent e) {
                komanda="vreme";
            }
        });
        JRadioButton gadjajRB= new JRadioButton("Gadjaj");
        gadjajRB.addItemListener(new ItemListener() {
            @Override
            public void itemStateChanged(ItemEvent e) {
                komanda="poz";
            }
        });
        ButtonGroup grupa= new ButtonGroup();
        grupa.add(regRB);
        grupa.add(vremeRB);
        grupa.add(gadjajRB);

        c.setLayout(new GridLayout(8,1));
        c.add(regRB);
        c.add(vremeRB);
        c.add(gadjajRB);

        JTextField pozicijaTF = new JTextField();
        c.add(pozicijaTF);
        JButton posalji= new JButton("posalji");
        posalji.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                String zahtev = "";
                switch (komanda){
                    case "reg":
                        String korime = JOptionPane.showInputDialog("unesite svoje ime");
                        zahtev=komanda+":"+korime;
                        break;
                    case "vreme":
                        zahtev=komanda+"??";
                        break;
                    case "poz":
                        zahtev=komanda+":"+pozicijaTF.getText();
                        break;
                }
                if(cbmi.getState()){
                    bw.println(zahtev);
                    try{
                        String odgovor = br.readLine();
                        JOptionPane.showMessageDialog(c,odgovor);
                    }catch (IOException ex){
                        ex.printStackTrace();
                    }
                }
            }
        });
        c.add(posalji);

    }

    @Override
    public void actionPerformed(ActionEvent e) {
        switch (e.getActionCommand()){
            case "Snimi":
                JOptionPane.showMessageDialog(c,"snimljene izmene");
                break;
            case "Izlaz":
                System.exit(0);
                break;

        }
    }
}