public static void Open(Zetbox.App.GUI.Icon obj)
{
if (obj.Blob != null)
{
obj.Blob.Open();
}
}
public static void preSet_Blob(Zetbox.App.GUI.Icon obj, PropertyPreSetterEventArgs <Zetbox.App.Base.Blob> e)
{
// Delete old blob
if (e.OldValue != null && e.OldValue != e.NewValue)
{
obj.Context.Delete(e.OldValue);
}
e.Result = e.NewValue;
}
public static void Upload(Zetbox.App.GUI.Icon obj)
{
// UI Code in Custom Actions!
// ASP.NET would have a big Problem with that function
string path = _factory.GetSourceFileNameFromUser();
if (!string.IsNullOrEmpty(path))
{
var fi = new System.IO.FileInfo(path);
int id = obj.Context.CreateBlob(fi, fi.GetMimeType());
obj.Blob = obj.Context.Find <Zetbox.App.Base.Blob>(id);
obj.IconFile = obj.Blob.OriginalName;
}
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (!_initialized)
{
return(Binding.DoNothing);
}
try
{
Zetbox.App.GUI.Icon icon = null;
if (value is Zetbox.App.Base.ObjectClass)
{
Zetbox.App.Base.ObjectClass objClass = (Zetbox.App.Base.ObjectClass)value;
icon = objClass.DefaultIcon;
}
else if (value is Zetbox.App.GUI.Icon)
{
icon = (Zetbox.App.GUI.Icon)value;
}
else if (value is IDataObject)
{
IDataObject obj = (IDataObject)value;
icon = obj.GetObjectClass(FrozenContext).DefaultIcon;
}
else if (value is Zetbox.Client.Presentables.ViewModel)
{
icon = ((Zetbox.Client.Presentables.ViewModel)value).Icon;
}
if (icon == null)
{
return(Binding.DoNothing);
}
else
{
// Not initialized yet
if (icon.ObjectState == DataObjectState.New)
{
return(Binding.DoNothing);
}
BitmapImage bmp;
if (!_cache.TryGetValue(icon.ExportGuid, out bmp))
{
var realIcon = Context.FindPersistenceObject <Zetbox.App.GUI.Icon>(icon.ExportGuid);
if (realIcon.Blob == null)
{
Logging.Log.WarnFormat("Icon#{0} has no associated request", realIcon.ID);
return(Binding.DoNothing);
}
bmp = new BitmapImage();
bmp.BeginInit();
bmp.StreamSource = realIcon.Blob.GetStream();
bmp.EndInit();
_cache[icon.ExportGuid] = bmp;
}
return(bmp);
}
}
catch (Exception ex)
{
Logging.Facade.Info("Error while loading Icon", ex);
return(Binding.DoNothing);
}
}
