//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#region INajmHandlersManager implementation
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// attach handler to HDUs
public int OpenSession(Guid guidID, IHDU[] hduList)
{
int sessionID = -1;
if (_loadedAssemblies != null && _loadedAssemblies.ContainsKey(guidID))
{
INajmHandler hduHandler = _loadedAssemblies[guidID].Handler;
if (hduHandler != null)
{
if (hduHandler.CanHandle(hduList))
{
if (!_form.TabControl.TabPages.ContainsKey(guidID.ToString()))
{
// create tab page for this handler
_form.TabControl.TabPages.Add(guidID.ToString(), hduHandler.Name);
TabPage handlerTabPage = _form.TabControl.TabPages[guidID.ToString()];
//set image to be used
handlerTabPage.ImageKey = hduHandler.ID.ToString();
// initialize is called ONCE when the handler is attached an HDU for first time.
// paenl is passed at this time and will be used for all sessions.
hduHandler.Initialize(this, handlerTabPage);
}
sessionID = hduHandler.OpenSession(hduList);
}
else
{
throw new NajmException(string.Format("{0} can't handle these HDUs", hduHandler.Name));
}
}
}
return(sessionID);
}
private void UnHookEvents(INajmHandler nh)
{
// connect events
nh.SessionOpened -= new SessionOpenedDelegate(hduHandler_OnSessionOpened);
nh.SessionActivated -= new SessionActivatedDelegate(hduHandler_OnSessionActivated);
nh.SessionClosed -= new SessionClosedDelegate(hduHandler_OnSessionClosed);
nh.NoSessions -= new NoSessionsDelegate(hduHandler_OnNoSessions);
nh.SessionDeactivated -= new SessionDeactivatedDelegate(hduHandler_OnSessionDeactivated);
}
public void ActivateSession(Guid guid, int session)
{
if (_loadedAssemblies != null && _loadedAssemblies.ContainsKey(guid))
{
INajmHandler hduHandler = _loadedAssemblies[guid].Handler;
if (hduHandler != null)
{
hduHandler.ActivateSession(session);
}
}
}
public void CloseSession(Guid guidID, int sid)
{
if (_loadedAssemblies != null && _loadedAssemblies.ContainsKey(guidID))
{
INajmHandler hduHandler = _loadedAssemblies[guidID].Handler;
if (hduHandler != null)
{
hduHandler.CloseSession(sid);
}
}
}
internal void HandlerButton_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
Guid hid = (Guid)((ToolStripButton)sender).Tag;
INajmHandler nh = _handlersManager[hid];
if (MessageBox.Show(string.Format("Reload \'{0}\' ?", nh.Name), "Najm", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
_handlersManager.ReloadHandler(hid);
}
}
}
private INajmHandler LoadAssembly(string assemblyName, string loadParam)
{
Assembly a = System.Reflection.Assembly.LoadFrom(assemblyName);
INajmHandler hduHandler = null;
Type[] expTypes = a.GetExportedTypes();
foreach (Type t in expTypes)
{
if (t != null && t.IsClass && t.GetInterface("Najm.Handlers.Integration.INajmHandler") != null)
{
hduHandler = (INajmHandler)a.CreateInstance(t.FullName);
// add toolstrip button only if its not our default handler
if (hduHandler != null)
{
// call Load on the handler
hduHandler.Load(loadParam);
if (!hduHandler.ID.Equals(new Guid(DEFAULT_HANDLER_ID)))
{
// get toolstrip image if handler provide one
if (!String.IsNullOrEmpty(hduHandler.ToolstripImageName))
{
LoadToolstripImage(a, hduHandler.ToolstripImageName);
}
// get tooltip
_tooltip = hduHandler.Tooltip;
}
else
{
_default = true;
}
break;
}
}
}
return(hduHandler);
}
