private void OnComponentAdded(object sender, ComponentEventArgs eventArgs)
{
IDesignerHost service = (IDesignerHost)this.serviceProvider.GetService(typeof(IDesignerHost));
if (service != null)
{
if (service.RootComponent == eventArgs.Component)
{
Activity rootComponent = service.RootComponent as Activity;
if (rootComponent != null)
{
if ((rootComponent is CompositeActivity) && (this.ensureChildHierarchyHandler == null))
{
this.ensureChildHierarchyHandler = new EventHandler(this.OnEnsureChildHierarchy);
Application.Idle += this.ensureChildHierarchyHandler;
}
rootComponent.UserData[UserDataKeys.CustomActivity] = false;
}
}
else if (eventArgs.Component is Activity)
{
if ((eventArgs.Component is CompositeActivity) && Helpers.IsCustomActivity(eventArgs.Component as CompositeActivity))
{
(eventArgs.Component as Activity).UserData[UserDataKeys.CustomActivity] = true;
}
else
{
(eventArgs.Component as Activity).UserData[UserDataKeys.CustomActivity] = false;
}
}
}
}
private static bool IsPreBuiltActivity(Activity activity)
{
for (CompositeActivity activity2 = activity.Parent; activity2 != null; activity2 = activity2.Parent)
{
if (Helpers.IsCustomActivity(activity2))
{
return(true);
}
}
return(false);
}
private static bool IsPreBuiltActivity(Activity activity)
{
CompositeActivity parent = activity.Parent;
while (parent != null)
{
// Any custom activity found, then locked
if (Helpers.IsCustomActivity(parent))
{
return(true);
}
parent = parent.Parent;
}
return(false);
}
internal static Activity ParseActivity(Activity parsingContext, string activityName)
{
if (parsingContext == null)
{
throw new ArgumentNullException("parsingContext");
}
if (activityName == null)
{
throw new ArgumentNullException("activityName");
}
string id = activityName;
string str2 = string.Empty;
int index = activityName.IndexOf(".");
if (index != -1)
{
id = activityName.Substring(0, index);
str2 = activityName.Substring(index + 1);
if (str2.Length == 0)
{
return(null);
}
}
Activity containerActivity = null;
containerActivity = GetActivity(parsingContext, id);
if (((containerActivity == null) && (parsingContext is CompositeActivity)) && ((parsingContext.Parent != null) && Helpers.IsCustomActivity(parsingContext as CompositeActivity)))
{
containerActivity = GetActivity(parsingContext, parsingContext.QualifiedName + "." + id);
}
if (containerActivity == null)
{
return(null);
}
if (str2.Length > 0)
{
if (!(containerActivity is CompositeActivity) || !Helpers.IsCustomActivity(containerActivity as CompositeActivity))
{
return(null);
}
string[] strArray = str2.Split(new char[] { '.' });
for (int i = 0; i < strArray.Length; i++)
{
Activity activity = GetActivity(containerActivity, containerActivity.QualifiedName + "." + strArray[i]);
if ((activity == null) || !Helpers.IsActivityLocked(activity))
{
return(null);
}
CompositeActivity declaringActivity = Helpers.GetDeclaringActivity(activity);
if (containerActivity != declaringActivity)
{
return(null);
}
containerActivity = activity;
}
return(containerActivity);
}
if (Helpers.IsActivityLocked(containerActivity) && !IsDeclaringActivityMatchesContext(containerActivity, parsingContext))
{
return(null);
}
return(containerActivity);
}
private static bool IsDeclaringActivityMatchesContext(Activity currentActivity, Activity context)
{
CompositeActivity compositeActivity = context as CompositeActivity;
CompositeActivity declaringActivity = Helpers.GetDeclaringActivity(currentActivity);
if (Helpers.IsActivityLocked(context) && ((compositeActivity == null) || !Helpers.IsCustomActivity(compositeActivity)))
{
compositeActivity = Helpers.GetDeclaringActivity(context);
}
return(compositeActivity == declaringActivity);
}