public void RefreshBus_RefreshObject(object sender, RefreshObjectEventArgs e)
{
var descendancy = e.DeletedObjectDescendancy ?? _activator.CoreChildProvider.GetDescendancyListIfAnyFor(e.Object);
//implementation of the anoymous callback
var o = e.Object as T;
//if the descendancy contained our object Type we should also consider a refresh
if (o == null && descendancy != null)
{
o = (T)descendancy.Parents.LastOrDefault(p => p is T);
}
//don't respond to events raised by the user themself!
if (sender == User)
{
return;
}
//if the original object does not exist anymore (could be a CASCADE event so we do have to check it every time regardless of what object type is refreshing)
if (!OriginalObject.Exists())//object no longer exists!
{
var parent = User.ParentForm;
if (parent != null && !parent.IsDisposed)
{
parent.Close();//self destruct because object was deleted
}
return;
}
if (o != null && o.ID == OriginalObject.ID && o.GetType() == OriginalObject.GetType()) //object was refreshed, probably an update to some fields in it
{
User.SetDatabaseObject(_activator, o); //give it the new object
}
}
public void Publish(object sender, RefreshObjectEventArgs e)
{
if (PublishInProgress)
{
throw new SubscriptionException("Refresh Publish Cascade error. Subscriber " + sender + " just attempted a publish during an existing publish execution, cylic inception publishing is not allowed, you cannot respond to a refresh callback by issuing more refresh publishes");
}
lock (oPublishLock)
{
if (BeforePublish != null)
{
BeforePublish(sender, e);
}
PublishInProgress = true;
//refresh it from the child provider
if (e.Exists)
{
if (ChildProvider != null)
{
var fresh = ChildProvider.GetLatestCopyOf(e.Object);
if (fresh != null)
{
e.Object = fresh;
}
else
{
e.Object.RevertToDatabaseState();
}
}
else
{
e.Object.RevertToDatabaseState();
}
}
try
{
if (RefreshObject != null)
{
RefreshObject(sender, e);
}
}
finally
{
PublishInProgress = false;
}
}
}
public void Publish(object sender, RefreshObjectEventArgs e)
{
if (PublishInProgress)
{
throw new SubscriptionException("Refresh Publish Cascade error. Subscriber " + sender + " just attempted a publish during an existing publish execution, cylic inception publishing is not allowed, you cannot respond to a refresh callback by issuing more refresh publishes");
}
lock (oPublishLock)
{
BeforePublish?.Invoke(sender, e);
try
{
PublishInProgress = true;
// Set cursor as hourglass
Cursor.Current = Cursors.WaitCursor;
//refresh it from the child provider
if (e.Exists)
{
if (ChildProvider != null)
{
var fresh = ChildProvider.GetLatestCopyOf(e.Object);
if (fresh != null)
{
e.Object = fresh;
}
else
{
e.Object.RevertToDatabaseState();
}
}
else
{
e.Object.RevertToDatabaseState();
}
}
RefreshObject?.Invoke(sender, e);
}
finally
{
AfterPublish?.Invoke(this, e);
PublishInProgress = false;
Cursor.Current = Cursors.Default;
}
}
}
