//
//
//
public static GuiCreator Create(Type formType, params object[] constructorArgs)
{
GuiCreator guiCreator = null;
bool isValid = formType.IsSubclassOf(typeof(Form)) || formType == typeof(Form);
if (isValid)
{
guiCreator = new GuiCreator();
CreateFormEventArgs eventArgs = new CreateFormEventArgs();
eventArgs.FormType = formType;
if (constructorArgs != null && constructorArgs.Length > 0)
{
eventArgs.ConstructorArgs = constructorArgs;
}
guiCreator.m_EventArgs = eventArgs;
}
return(guiCreator);
}// Create()
} //ProcessEngineEvents()
//
//
//
// *****************************************************************
// **** Process FrontEndRequest ****
// *****************************************************************
/// <summary>
/// These are my internal requests, used to create new GUI displays, etc.
/// </summary>
/// <param name="request"></param>
private void ProcessFrontEndRequest(FrontEndRequest request)
{
EngineEventArgs e;
Log.NewEntry(LogLevel.Minor, "FrontEndRequest {0}", request.ToString());
switch (request.Type)
{
case FrontEndRequest.Request.Start:
// ************************************
// *** Start ***
// ************************************
m_ServiceState = ServiceStates.Running; // We are ready to run.
OnServiceStateChanged();
break;
case FrontEndRequest.Request.Stop:
// ************************************
// *** Stop ***
// ************************************
if (m_ServiceState != ServiceStates.Stopping)
{ // Shut down displays
m_ServiceState = ServiceStates.Stopping; // Trying to stop.
OnServiceStateChanged();
// Tell displays to shut down.
foreach (ClusterDisplay display in m_ClusterDisplays.Values)
{
if (display != null && (!display.IsDisposed))
{
try
{
display.Invoke((System.Threading.ThreadStart) delegate() { display.Close(); });
}
catch (Exception)
{
}
}
}
}
// Verify we can stop.
if (m_ClusterDisplays.Count == 0)
{ // All displays are removed and shutdown. We can exit now.
m_ServiceState = ServiceStates.Stopped;
OnServiceStateChanged();
base.Stop();
}
else
{
Log.NewEntry(LogLevel.Major, "Shutting down. {0} displays remaining.", m_ClusterDisplays.Count);
m_PendingRequests.Enqueue(request);
}
break;
case FrontEndRequest.Request.AddService:
// ************************************
// *** Add Service ***
// ************************************
// This is called internally, each time a new service is added
// to the application. We attempt to get information about it.
if (request.ObjectList == null)
{
return;
}
for (int i = 0; i < request.ObjectList.Count; ++i)
{
string serviceName = (string)request.ObjectList[i];
bool isGoodToAdd = true;
// First check whether this type of engine is we want to ignore.
foreach (string pattern in m_IgnoreEngineNamePatterns)
{
if (serviceName.Contains(pattern))
{
isGoodToAdd = false;
break;
}
}
if (isGoodToAdd == false)
{
return;
}
IService iService;
if (m_AppServices.TryGetService(serviceName, out iService) && iService is IEngineHub)
{ // We have discovered a new EngineHub
if (!m_RemoteEngineHubs.ContainsKey(serviceName))
{ // This new engineHub isunknown to us.
IEngineHub iEngine = (IEngineHub)iService;
m_RemoteEngineHubs.Add(serviceName, iEngine);
Log.NewEntry(LogLevel.Major, "Adding new EngineHub {0}. Requesting all controls.", serviceName);
iEngine.EngineChanged += new EventHandler(this.HubEventEnqueue);
e = EngineEventArgs.RequestAllControls(serviceName);
iEngine.HubEventEnqueue(e);
}
}
}
break;
case FrontEndRequest.Request.AddDisplay:
// ************************************
// *** Add Display ***
// ************************************
// When a new display is requested, we search for the GuiTemplates already
// stored for that new display, create the display and hand them to the display.
List <string> engineHubNames = new List <string>();
if (request.ObjectList == null || (request.ObjectList.Count == 1 && request.ObjectList[0] == null))
{
engineHubNames.AddRange(m_RemoteEngineHubs.Keys);
}
else
{
foreach (object o in request.ObjectList)
{
if (o is string)
{
engineHubNames.Add((string)o);
}
}
}
// Open displays for each hub name provided.
foreach (string engineName in engineHubNames)
{
Dictionary <int, GuiTemplates.EngineContainerGui> engineHubTemplates = null;
IEngineHub iEngineHub = null;
if (m_RemoteEngineHubs.TryGetValue(engineName, out iEngineHub) && m_EngineHubTemplates.TryGetValue(engineName, out engineHubTemplates))
{
Log.NewEntry(LogLevel.Major, "AddDisplay requesting new ClusterDisplay for {0}.", engineName);
List <GuiTemplates.EngineContainerGui> templates = new List <GuiTemplates.EngineContainerGui>(engineHubTemplates.Values);
Utilities.GuiCreator creator = Utilities.GuiCreator.Create(typeof(ClusterDisplay), this, iEngineHub, templates);
creator.FormCreated += new EventHandler(this.HubEventEnqueue); // push created form on to my usual queue.
creator.Start();
}
else
{
Log.NewEntry(LogLevel.Major, "AddDisplay request rejected for {0}. No templates found.", engineName);
}
}
break;
case FrontEndRequest.Request.RemoveDisplay:
// ************************************
// *** Remove Display ***
// ************************************
ClusterDisplay display2 = (ClusterDisplay)request.ObjectList[0];
int n = display2.ID;
if (m_ClusterDisplays.ContainsKey(n))
{
m_ClusterDisplays.Remove(n);
Log.NewEntry(LogLevel.Major, "RemoveDisplay id {1}. Remaining {0}.", m_ClusterDisplays.Count, n);
}
break;
default:
Log.NewEntry(LogLevel.Warning, "Unknown request.");
break;
} //requestType switch
} //ProcessFrontEndRequest().