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// **********************************************************************
//
// Copyright(c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
using Demo;
namespace Glacier2.chat.client
{
public class LoginData
{
public LoginData()
{
routerHost = "127.0.0.1";
userName = "test";
password = "";
}
public String routerHost;
public String userName;
public String password;
}
class Util
{
static public void
locateOnScreen(System.Windows.Window window)
{
window.Left = (System.Windows.SystemParameters.PrimaryScreenWidth - window.Width) / 2;
window.Top = (System.Windows.SystemParameters.PrimaryScreenHeight - window.Height) / 2;
}
static public void
centerWindow(System.Windows.Window w1, System.Windows.Window w)
{
w1.Top = w.Top + ((w.Height - w1.Height) / 2);
w1.Left = w.Left + ((w.Width - w1.Width) / 2);
}
}
/// <summary>
/// Interaction logic for ChatWindow.xaml
/// </summary>
public partial class ChatWindow : Window, Glacier2.SessionCallback
{
private class ChatCallbackI : Demo.ChatCallbackDisp_
{
public ChatCallbackI(ChatWindow window)
{
_window = window;
}
public override void
message(string data, Ice.Current current)
{
_window.appendMessage(data + Environment.NewLine);
}
private ChatWindow _window;
}
public ChatWindow()
{
Ice.InitializationData initData = new Ice.InitializationData();
initData.properties = Ice.Util.createProperties();
initData.properties.load("config.client");
// Dispatch servant calls and AMI callbacks with this windows Dispatcher.
initData.dispatcher = delegate(System.Action action, Ice.Connection connection)
{
Dispatcher.BeginInvoke(DispatcherPriority.Normal, action);
};
_factory = new SessionFactoryHelper(initData, this);
InitializeComponent();
Util.locateOnScreen(this);
}
private void
login(object sender, ExecutedRoutedEventArgs args)
{
doLogin();
}
public void doLogin()
{
LoginDialog loginDialog = new LoginDialog(_loginData);
Util.centerWindow(loginDialog, this);
if(loginDialog.ShowModal())
{
status.Content = "Connecting";
_factory.setRouterHost(_loginData.routerHost);
_factory.setRouterIdentity(new Ice.Identity("router", "DemoGlacier2"));
_session = _factory.connect(_loginData.userName, _loginData.password);
_cancelDialog = new CancelDialog();
Util.centerWindow(_cancelDialog, this);
if(_cancelDialog.ShowModal())
{
destroySession();
}
}
}
private void
logout(object sender, ExecutedRoutedEventArgs args)
{
txtMessages.Text = "";
status.Content = "Logging out";
destroySession();
}
private void
exit(object sender, ExecutedRoutedEventArgs args)
{
Close();
}
private void
windowClosed(object sender, EventArgs e)
{
lock(this)
{
destroySession();
}
App.Current.Shutdown(0);
}
private void
isLogoutEnabled(object sender, CanExecuteRoutedEventArgs args)
{
args.CanExecute = _session != null && _session.isConnected();
}
private void
isLoginEnabled(object sender,CanExecuteRoutedEventArgs args)
{
args.CanExecute = _session == null || !_session.isConnected();
}
//
// Event handler attached to txtChatImputLine onKeyDown.
// If the key is the Enter key, it sends the message asynchronously
// and cleans the input line; otherwise, it does nothing.
//
private void
sendMessage(object sender, KeyEventArgs e)
{
if(e.Key == Key.Enter)
{
string message = input.Text.Trim();
if(message.Length > 0)
{
_chat.begin_say(message).whenCompleted(delegate(Ice.Exception ex)
{
appendMessage("<system-message> - " + ex.ToString() +
Environment.NewLine);
});
}
input.Text = "";
}
}
private void
scrollDown(object sender, SizeChangedEventArgs e)
{
txtMessages.ScrollToEnd();
}
private void
closeCancelDialog()
{
if(_cancelDialog != null)
{
_cancelDialog.Close();
_cancelDialog = null;
}
}
public void
appendMessage(string message)
{
txtMessages.AppendText(message);
txtMessages.ScrollToEnd();
}
private void
destroySession()
{
if(_session != null)
{
_session.destroy();
_session = null;
}
}
private LoginData _loginData = new LoginData();
private CancelDialog _cancelDialog = new CancelDialog();
private Glacier2.SessionFactoryHelper _factory;
private Glacier2.SessionHelper _session;
private Demo.ChatSessionPrx _chat;
#region Callback Members
public void connectFailed(SessionHelper session, Exception ex)
{
// If the session has been reassigned avoid the
// spurious callback.
if(session != _session)
{
return;
}
closeCancelDialog();
status.Content = ex.GetType();
}
public void connected(SessionHelper session)
{
// If the session has been reassigned avoid the
// spurious callback.
if(session != _session)
{
return;
}
Ice.Object servant = new ChatCallbackI(this);
Demo.ChatCallbackPrx callback = Demo.ChatCallbackPrxHelper.uncheckedCast(_session.addWithUUID(servant));
_chat = Demo.ChatSessionPrxHelper.uncheckedCast(_session.session());
_chat.begin_setCallback(callback).whenCompleted(delegate()
{
closeCancelDialog();
input.IsEnabled = true;
status.Content = "Connected with " + _loginData.routerHost;
},
delegate(Ice.Exception ex)
{
if(_session != null)
{
_session.destroy();
}
});
}
public void createdCommunicator(SessionHelper session)
{
}
public void disconnected(SessionHelper session)
{
// If the session has been reassigned avoid the
// spurious callback.
if(session != _session)
{
return;
}
closeCancelDialog();
_session = null;
_chat = null;
input.IsEnabled = false;
status.Content = "Not connected";
}
#endregion
}
}
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