/// <summary>
/// Activates the extensions. This should be called only once.
/// </summary>
public virtual void LoadExtensions()
{
if (DesignMode)
{
return;
}
if (Extensions.Any())
{
throw new InvalidOperationException("LoadExtensions() should only be called once. Subsequent calls should be made to RefreshExtensions(). ");
}
// We need to uninstall any outstanding extensions before loading ...
PackageManager.RemovePendingPackagesAndExtensions();
splashScreen = SplashScreenHelper.GetSplashScreenManager();
UpdateSplashScreen("Discovering Extensions...");
AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
_catalog = GetCatalog();
CompositionContainer = new CompositionContainer(_catalog);
try
{
IDataManager dataManager = DataManager.DefaultDataManager;
CompositionContainer.ComposeParts(this, dataManager, this.SerializationManager);
}
catch (CompositionException compositionException)
{
Trace.WriteLine(compositionException.Message);
throw;
}
UpdateSplashScreen("Loading Extensions...");
OnExtensionsActivating(EventArgs.Empty);
ActivateAllExtensions();
OnExtensionsActivated(EventArgs.Empty);
if (splashScreen != null)
{
splashScreen.Deactivate();
splashScreen = null;
}
// Set the DefaultDataManager progress handler.
// It doesn’t seem like the solution is as simple as adding the
// [Import(typeof(IProgressHandler), AllowDefault = true)]
// Attribute to the ProgressHandler property on DataManager, because the ProgressHandler we are typically
// using only export IStatusControl and we would require each IStatusControl to
// [Export(typeof(DotSpatial.Data.IProgressHandler))]
// To get that working.
DataManager.DefaultDataManager.ProgressHandler = this.ProgressHandler;
}
/// <summary>
/// Loads Extensions using MEF and then activates them.
/// Should only be called once on startup.
/// </summary>
public virtual void LoadExtensions()
{
if (DesignMode)
{
return;
}
if (Extensions.Any())
{
throw new InvalidOperationException("LoadExtensions() should only be called once. Subsequent calls should be made to RefreshExtensions(). ");
}
PackageManager.RemovePendingPackagesAndExtensions();
_splashScreen = SplashScreenHelper.GetSplashScreenManager();
Thread updateThread = new Thread(AppLoadExtensions);
updateThread.Start();
// Update splash screen's progress bar while thread is active.
while (updateThread.IsAlive)
{
UpdateSplashScreen(_message);
}
updateThread.Join();
ActivateAllExtensions();
OnExtensionsActivated(EventArgs.Empty);
if (_splashScreen != null)
{
_splashScreen.Deactivate();
_splashScreen = null;
}
// Set the DefaultDataManager progress handler.
// It doesn’t seem like the solution is as simple as adding the
// [Import(typeof(IProgressHandler), AllowDefault = true)]
// Attribute to the ProgressHandler property on DataManager, because the ProgressHandler we are typically
// using only export IStatusControl and we would require each IStatusControl to
// [Export(typeof(DotSpatial.Data.IProgressHandler))]
// To get that working.
DataManager.DefaultDataManager.ProgressHandler = ProgressHandler;
}
