public static void join(String name, String pass, int maxStanzas) {
    StaticData sd = StaticData.getInstance();

    ConferenceGroup grp = sd.roster.initMuc(name, pass);
    // требуется для возможности нормального выхода
    // sd.roster.mucContact(name, Contact.ORIGIN_GC_MYSELF);
    // sd.roster.activeRooms.addElement(jid);

    JabberDataBlock x = new JabberDataBlock("x", null, null);
    x.setNameSpace("http://jabber.org/protocol/muc");
    if (pass.length() != 0) {
      // adding password to presence
      x.addChild("password", pass);
    }

    JabberDataBlock history = x.addChild("history", null);
    history.setAttribute("maxstanzas", String.valueOf(maxStanzas));
    history.setAttribute("maxchars", "32768");
    try {
      long last = grp.getConference().lastMessageTime;
      long delay = (grp.conferenceJoinTime - last) / 1000;
      if (last != 0)
        history.setAttribute("seconds", String.valueOf(delay)); // todo: change to since
    } catch (Exception e) {
    }
    ;

    // sd.roster.groups.getGroup(name.substring(0,
    // name.indexOf('@'))).imageExpandedIndex=ImageList.ICON_GCJOIN_INDEX;
    sd.roster.sendPresence(name, null, x);
    sd.roster.reEnumRoster();
  }
 private void switchAccount(boolean login) {
   if (!login) parentView = StaticData.getInstance().roster;
   destroyView();
   Config cf = Config.getInstance();
   cf.accountIndex = cursor;
   cf.saveToStorage();
   Account.loadAccount(login);
 }
  private void switchType() {
    int index = choiseType.getSelectedIndex();
    try {
      Object rfocus = StaticData.getInstance().roster.getFocusedObject();
      switch (index) {
        case 0: // jid
          if (targetList != null)
            if (rfocus instanceof Contact) {
              textValue.setString(((Contact) rfocus).getBareJid());
            }
          form.set(2, textValue);
          break;
        case 1: // group
          if (targetList != null)
            textValue.setString(
                ((rfocus instanceof Group) ? (Group) rfocus : ((Contact) rfocus).getGroup())
                    .getName());

          form.set(2, textValue);
          break;
        case 2: // subscription
          form.set(2, choiceSubscr);
          break;

        case 3:
          form.set(2, new StringItem(null, "(ANY)"));
      }
      /*if (index==2) {
          form.set(2, choiceSubscr);
      } else {
          textValue.setLabel(PrivacyItem.types[index]);
          form.set(2, textValue);
      }
       */
    } catch (Exception e) {
      /* При смене на самого себя */
    }
  }
  public ContactEdit(Display display, Contact c) {
    this.display = display;
    parentView = display.getCurrent();

    StaticData sd = StaticData.getInstance();
    roster = sd.roster;

    Vector groups = sd.roster.groups.getRosterGroupNames();
    cf = Config.getInstance();

    f = new Form(SR.MS_ADD_CONTACT); // locale

    tJid = new TextField(SR.MS_USER_JID, null, 150, TextField.EMAILADDR);

    tNick = new TextField("Name", null, 32, TextField.ANY); // locale
    tGroup = new TextField(SR.MS_GROUP, null, 32, TextField.ANY); // locale

    tGrpList = new ChoiceGroup(SR.MS_GROUP, ConstMIDP.CHOICE_POPUP);
    tTranspList = new ChoiceGroup(SR.MS_TRANSPORT, ConstMIDP.CHOICE_POPUP);

    tAskSubscrCheckBox = new ChoiceGroup(SR.MS_SUBSCRIPTION, ChoiceGroup.MULTIPLE); // locale
    tAskSubscrCheckBox.append(SR.MS_ASK_SUBSCRIPTION, null); // locale

    tGrpList.addCommand(cmdSet);
    tGrpList.setItemCommandListener(this);

    tTranspList.addCommand(cmdSet);
    tTranspList.setItemCommandListener(this);

    // Transport droplist
    tTranspList.append(sd.account.getServer(), null);
    for (Enumeration e = sd.roster.getHContacts().elements(); e.hasMoreElements(); ) {
      Contact ct = (Contact) e.nextElement();
      Jid transpJid = ct.jid;
      if (transpJid.isTransport()) tTranspList.append(transpJid.getBareJid(), null);
    }
    tTranspList.append(SR.MS_OTHER, null); // locale

    try {
      String jid;
      if (c instanceof MucContact) {
        jid = Jid.toBareJid(((MucContact) c).realJid);
      } else {
        jid = c.getBareJid();
      }
      // edit contact
      tJid.setString(jid);
      tNick.setString(c.nick);

      if (c instanceof MucContact) {
        c = null;
        throw new Exception();
      }

      if (c.getGroupType() != Groups.TYPE_NOT_IN_LIST
          && c.getGroupType() != Groups.TYPE_SEARCH_RESULT) {
        // edit contact
        f.setTitle(jid);
        cmdOk = new Command("Update", Command.OK, 1); // locale
        newContact = false;
      } else c = null; // adding not-in-list
    } catch (Exception e) {
      c = null;
    } // if MucContact does not contains realJid

    int sel = -1;
    ngroups = 0;
    String grpName = "";
    if (c != null) grpName = c.getGroup().name;

    if (groups != null) {
      ngroups = groups.size();
      for (int i = 0; i < ngroups; i++) {
        String gn = (String) groups.elementAt(i);
        tGrpList.append(gn, null);

        if (gn.equals(grpName)) sel = i;
      }
    }

    // if (sel==-1) sel=groups.size()-1;
    if (sel < 0) sel = 0;
    // tGroup.setString(group(sel));

    if (c == null) {
      f.append(tJid);
      f.append(tTranspList);
    }
    updateChoise(tJid.getString(), tTranspList);
    f.append(tNick);

    tGrpList.append(SR.MS_NEWGROUP, null);

    tGrpList.setSelectedIndex(sel, true);

    grpFIndex = f.append(tGrpList);

    if (newContact) {
      f.append(tAskSubscrCheckBox);
      tAskSubscrCheckBox.setSelectedIndex(0, true);
    }

    f.addCommand(cmdOk);
    f.addCommand(cmdCancel);

    f.setCommandListener(this);
    f.setItemStateListener(this);

    display.setCurrent(f);
  }
/** @author EvgS */
public class ConferenceForm implements CommandListener {

  private Display display;
  private Displayable parentView;

  Command cmdJoin = new Command(SR.MS_JOIN, Command.SCREEN, 1);
  // Command cmdBookmarks=new Command(SR.MS_BOOKMARKS, Command.SCREEN, 2);
  Command cmdAdd = new Command(SR.MS_ADD_BOOKMARK, Command.SCREEN, 5);
  Command cmdCancel = new Command(SR.MS_CANCEL, Command.BACK, 99);

  TextField roomField;
  TextField hostField;
  TextField nickField;
  TextField passField;
  NumberField msgLimitField;

  StaticData sd = StaticData.getInstance();
  /** Creates a new instance of GroupChatForm */
  public ConferenceForm(Display display) {
    String room = Config.getInstance().defGcRoom;
    String server = null;
    // trying to split string like room@server
    int roomE = room.indexOf('@');
    if (roomE > 0) {
      server = room.substring(roomE + 1);
      room = room.substring(0, roomE);
    }
    // default server
    if (server == null) server = "conference." + sd.account.getServer();
    createForm(display, room, server, null, null);
  }
  /** Creates a new instance of GroupChatForm */

  /** Creates a new instance of GroupChatForm */
  public ConferenceForm(Display display, String confJid, String password) {
    int roomEnd = confJid.indexOf('@');
    String room = "";
    if (roomEnd > 0) room = confJid.substring(0, roomEnd);
    String server;
    String nick = null;
    int serverEnd = confJid.indexOf('/');
    if (serverEnd > 0) {
      server = confJid.substring(roomEnd + 1, serverEnd);
      nick = confJid.substring(serverEnd + 1);
    } else {
      server = confJid.substring(roomEnd + 1);
    }
    createForm(display, room, server, nick, password);
  }

  public ConferenceForm(Display display, String room, String server, String nick, String password) {
    createForm(display, room, server, nick, password);
  }

  private void createForm(
      final Display display, String room, String server, String nick, final String password) {
    this.display = display;
    parentView = display.getCurrent();

    Form formJoin = new Form(SR.MS_JOIN_CONFERENCE);

    roomField = new TextField(SR.MS_ROOM, room, 64, ConstMIDP.TEXTFIELD_URL);
    TextFieldCombo.setLowerCaseLatin(roomField);
    formJoin.append(roomField);

    hostField = new TextField(SR.MS_AT_HOST, server, 64, ConstMIDP.TEXTFIELD_URL);
    TextFieldCombo.setLowerCaseLatin(hostField);
    formJoin.append(hostField);

    if (nick == null) nick = sd.account.getNickName();
    nickField = new TextFieldCombo(SR.MS_NICKNAME, nick, 32, TextField.ANY, "roomnick", display);
    formJoin.append(nickField);

    passField =
        new TextField(SR.MS_PASSWORD, password, 32, TextField.ANY | ConstMIDP.TEXTFIELD_SENSITIVE);
    formJoin.append(passField);

    msgLimitField = new NumberField(SR.MS_MSG_LIMIT, 20, 0, 20);
    formJoin.append(msgLimitField);

    formJoin.addCommand(cmdJoin);
    // formJoin.addCommand(cmdBookmarks);
    formJoin.addCommand(cmdAdd);

    formJoin.addCommand(cmdCancel);
    formJoin.setCommandListener(this);
    display.setCurrent(formJoin);
  }

  public void commandAction(Command c, Displayable d) {
    if (c == cmdCancel) {
      destroyView();
    }
    // if (c==cmdBookmarks) { new Bookmarks(display, null); }
    if (c == cmdJoin || c == cmdAdd) {
      String nick = nickField.getString().trim();
      String host = hostField.getString().trim();
      String room = roomField.getString().trim();
      String pass = passField.getString();
      int msgLimit = msgLimitField.getValue();

      if (nick.length() == 0) return;
      if (room.length() == 0) return;
      if (host.length() == 0) return;
      StringBuffer gchat = new StringBuffer(room.trim());
      gchat.append('@');
      gchat.append(host.trim());
      // sd.roster.mucContact(gchat.toString(), Contact.ORIGIN_GROUPCHAT);
      if (c == cmdAdd) new Bookmarks(display, new BookmarkItem(gchat.toString(), nick, pass));
      else {
        try {
          gchat.append('/');
          gchat.append(nick);
          join(gchat.toString(), pass, msgLimit);

          display.setCurrent(sd.roster);
        } catch (Exception e) {
          e.printStackTrace();
          // display.setCurrent(new Alert("Exception", e.toString(), null, AlertType.ERROR),
          // sd.roster);
        }
      }
    }
  }

  public static void join(String name, String pass, int maxStanzas) {
    StaticData sd = StaticData.getInstance();

    ConferenceGroup grp = sd.roster.initMuc(name, pass);
    // требуется для возможности нормального выхода
    // sd.roster.mucContact(name, Contact.ORIGIN_GC_MYSELF);
    // sd.roster.activeRooms.addElement(jid);

    JabberDataBlock x = new JabberDataBlock("x", null, null);
    x.setNameSpace("http://jabber.org/protocol/muc");
    if (pass.length() != 0) {
      // adding password to presence
      x.addChild("password", pass);
    }

    JabberDataBlock history = x.addChild("history", null);
    history.setAttribute("maxstanzas", String.valueOf(maxStanzas));
    history.setAttribute("maxchars", "32768");
    try {
      long last = grp.getConference().lastMessageTime;
      long delay = (grp.conferenceJoinTime - last) / 1000;
      if (last != 0)
        history.setAttribute("seconds", String.valueOf(delay)); // todo: change to since
    } catch (Exception e) {
    }
    ;

    // sd.roster.groups.getGroup(name.substring(0,
    // name.indexOf('@'))).imageExpandedIndex=ImageList.ICON_GCJOIN_INDEX;
    sd.roster.sendPresence(name, null, x);
    sd.roster.reEnumRoster();
  }

  public void destroyView() {
    if (parentView != null) display.setCurrent(parentView);
  }
}