/// function needed by BObservable interface
public void MessageArrived(BMessage aMessage)
{
switch (aMessage.Template)
{
case "run.msg":
// I have no parameters so only return measured values
BSlaveServiceManager.GetInstance().SendReturn(0, CreateReturnMessage());
break;
case "getstatus.msg":
BSlaveServiceManager.GetInstance().SendStatus(100, "");
break;
case "end.msg":
// should not arrive
break;
case "alive.msg":
case "stop.msg":
default:
// nothing to do - ignore
break;
}
}
/// <summary>
/// Overrided. Physically send a message.
/// </summary>
/// <param name="message">Message to send.</param>
public override void Send(BMessage message)
{
throw new System.Exception ("Not implemented yet!");
}
/// this method parse LibBeline Question message, show dialog and create reply message
/// from users response
/// <exception>XmlException</exception>
public static BMessage ShowDialog(BMessage aMessage)
{
if (aMessage.Template != "question.msg")
// return error message
return BMessage.CreateException("This is not valid LibBeline Question message");
BMessageQuestion messageQuestion = (BMessageQuestion)aMessage;
XmlDocument question = new XmlDocument();
question.LoadXml(messageQuestion.InnerMessage); // load dialog part of message
string dialogType = question.FirstChild.LocalName;
Gtk.Dialog dialog;
switch (dialogType.ToLower())
{
case "string":
XmlElement element = (XmlElement)question.SelectSingleNode("//text[@lang='cz']");
if (element == null)
{
element = (XmlElement)question.SelectSingleNode("//text[@lang='en']");
// if czech and english string not found quit
if (element == null) return BMessage.CreateException("Bad format of LibBeline Question message");
}
dialog = new BQuestionDialog("Otázka", null, element.InnerText);
dialog.ShowAll();
dialog.Run();
dialog.Destroy();
// finished good, return
return BMessage.CreateReturn(0, "");
case "dialogyesno":
XmlElement elementyesno = (XmlElement)question.SelectSingleNode("//text[@lang='cz']");
if (elementyesno == null)
{
elementyesno = (XmlElement)question.SelectSingleNode("//text[@lang='en']");
// if czech and english string not found quit
if (elementyesno == null) return BMessage.CreateException("Bad format of LibBeline Question message");
}
dialog = new BQuestionDialog("Otázka", null, elementyesno.InnerText);
dialog.ShowAll();
int answer = dialog.Run();
dialog.Destroy();
// finished good, return
return BMessage.CreateReturn(0, "<retval><item description=\"answer\"><int value=\"" + answer +
"\"</int></bretval></retval>");
case "dialoginfo":
XmlElement dialogInfo = (XmlElement)question.FirstChild;
string level = dialogInfo.GetAttribute("severity");
XmlElement elementInfo = (XmlElement)dialogInfo.SelectSingleNode("//text[@lang='cz']");
if (elementInfo == null)
{
elementInfo = (XmlElement)dialogInfo.SelectSingleNode("//text[@lang='en']");
// if czech and english string not found quit
if (elementInfo == null) return BMessage.CreateException("Bad format of LibBeline Question message");
}
dialog = new BInfoDialog("Informace", null, elementInfo.InnerText, level);
dialog.ShowAll();
dialog.Run();
dialog.Destroy();
// finished good, return
return BMessage.CreateReturn(0, "");
case "dialog":
XmlElement xmlDialog = (XmlElement)question.FirstChild;
string caption = xmlDialog.GetAttribute("caption");
string text = xmlDialog.GetAttribute("string");
dialog = new BDialog(caption, null, text);
int i=0;
foreach (XmlNode button in xmlDialog.SelectNodes("/button"))
{
if (button.NodeType != XmlNodeType.Element) continue; // if it isn't valid element don't bother with him
XmlElement buttonElement = (XmlElement)button;
switch (buttonElement.GetAttribute("type").ToLower())
{
case "yes":
dialog.AddButton(Gtk.Stock.Yes, i);
break;
case "no":
dialog.AddButton(Gtk.Stock.No, i);
break;
case "ok":
dialog.AddButton(Gtk.Stock.Ok, i);
break;
case "cancel":
dialog.AddButton(Gtk.Stock.Cancel, i);
break;
case "close":
dialog.AddButton(Gtk.Stock.Close, i);
break;
case "delete":
dialog.AddButton(Gtk.Stock.Delete, i);
break;
case "execute":
dialog.AddButton(Gtk.Stock.Execute, i);
break;
case "goback":
dialog.AddButton(Gtk.Stock.GoBack, i);
break;
case "goforward":
dialog.AddButton(Gtk.Stock.GoForward, i);
break;
case "godown":
dialog.AddButton(Gtk.Stock.GoDown, i);
break;
case "goup":
dialog.AddButton(Gtk.Stock.GoUp, i);
break;
case "golast":
dialog.AddButton(Gtk.Stock.GotoLast, i);
break;
case "gofirst":
dialog.AddButton(Gtk.Stock.GotoFirst, i);
break;
case "help":
dialog.AddButton(Gtk.Stock.Help, i);
break;
case "new":
dialog.AddButton(Gtk.Stock.New, i);
break;
default:
return BMessage.CreateException("Bad format of LibBeline Question message");
} // switch
} // foreach
dialog.ShowAll();
answer = dialog.Run();
dialog.Destroy();
// finished good, return
return BMessage.CreateReturn(0, "<retval><item description=\"answer\"><int value=\"" + answer +
"\"</int></bretval></retval>");
default:
return BMessage.CreateException("This is not valid LibBeline Question message. Dialog type should be one of string, dialog, dialogyesno or dialoginfo.");
}
}
/// <summary> /// Physically send a message. /// </summary> /// <param name="message">Message to send.</param> public abstract void Send(BMessage message);
/// signal from BusManager that some message arrived
public void ArrivedMessage(BMessage aMessage)
{
try
{
BMessage tmpMessage; // prepared return message
switch (aMessage.Template)
{
case "alive.msg":
// tell everybody that the message arrived
try
{
foreach (BObservable observer in observers)
{
observer.MessageArrived(aMessage);
}
}
catch (Exception e)
{ // error in parameters
System.Console.WriteLine("Exception " + e.Message);
tmpMessage = BMessage.CreateStatus(0, e.Message);
// send error message
busManager.Send(tmpMessage);
throw; // log it and finish
}
// send acknowledgement
tmpMessage = BMessage.CreateStatus(100, "");
busManager.Send(tmpMessage);
break;
case "run.msg":
case "getstatus.msg":
case "stop.msg":
// tell everybody that the message arrived
foreach (BObservable observer in observers)
{
observer.MessageArrived(aMessage);
}
break;
case "end.msg":
// stop the module
messageHandlerFinish = true;
break;
default:
// ignore another messages
break;
} // switch
}
catch (Exception e)
{ // log all top level errors
LibBeline.GetInstance().LogManager.Log(e);
throw;
}
}
//
public void SendCommand(BMessage message)
{
try
{
busManager.Send(message);
}
catch (Exception e)
{ // log all top level errors
LibBeline.GetInstance().LogManager.Log(e);
throw;
}
}