public static void CreateCarriers(IMembrane dropInto, XElement el)
{
Dictionary <string, ICarrier> carriers = new Dictionary <string, ICarrier>();
el.Descendants().ForEach(xelem =>
{
string protocolName = xelem.Attribute("Protocol").Value;
ISemanticTypeStruct protocol = Program.Skin.SemanticTypeSystem.GetSemanticTypeStruct(protocolName);
dynamic signal = Program.Skin.SemanticTypeSystem.Create(protocolName);
// Use reflection to assign all property values since they're defined in the XML.
xelem.Attributes().Where(a => a.Name != "Protocol").ForEach(attr =>
{
Type t = signal.GetType();
PropertyInfo pi = t.GetProperty(attr.Name.ToString());
if (attr.Value.BeginsWith("{")) // a reference (only references to carriers are supported at the moment)
{
ICarrier refCarrier = carriers[attr.Value.Between('{', '}')];
pi.SetValue(signal, refCarrier);
}
else
{
object val = attr.Value;
TypeConverter tcFrom = TypeDescriptor.GetConverter(pi.PropertyType);
//TypeConverter tcTo = TypeDescriptor.GetConverter(typeof(string));
//if (tcTo.CanConvertTo(t))
//{
// tcTo.ConvertTo(val, pi.PropertyType);
//}
if (tcFrom.CanConvertFrom(typeof(string)))
{
val = tcFrom.ConvertFromInvariantString(attr.Value);
pi.SetValue(signal, val);
}
else
{
throw new ApplicationException("Cannot convert string to type " + t.Name);
}
}
});
ICarrier carrier = dropInto.CreateCarrier(Program.Skin["DropReceptor"].Instance, protocol, signal);
carriers[protocol.DeclTypeName] = carrier;
});
}
protected void DragDropEvent(object sender, DragEventArgs args)
{
bool once = true;
bool receptorsRegistered = false;
View.DropPoint = View.NegativeSurfaceOffsetAdjust(new Point(args.X, args.Y));
View.StartDrop = true;
IMembrane dropInto = View.FindInnermostSelectedMembrane(View.DropPoint, Program.Skin);
dropInto.IfNull(() => dropInto = Program.Skin);
IReceptor droppedReceptor = null;
if (args.Data.GetFormats().Contains("FileDrop"))
{
string[] files = args.Data.GetData("FileDrop") as string[];
foreach (string fn in files)
{
// Attempt to load a receptor.
if (fn.ToLower().EndsWith(".dll"))
{
if (once)
{
Say("Loading receptors.");
once = false;
}
droppedReceptor = dropInto.RegisterReceptor(fn);
receptorsRegistered = true;
}
else if (fn.ToLower().EndsWith(".jpg"))
{
if (once)
{
Say("Processing files.");
once = false;
}
// Create carriers for each of our images.
ISemanticTypeStruct protocol = Program.SemanticTypeSystem.GetSemanticTypeStruct("ImageFilename");
dynamic signal = Program.SemanticTypeSystem.Create("ImageFilename");
signal.Filename = fn;
dropInto.CreateCarrier(Program.Skin["DropReceptor"].Instance, protocol, signal);
}
else if (fn.ToLower().EndsWith(".xml"))
{
// We assume these are carriers we're going to drop.
if (once)
{
Say("Processing carriers.");
once = false;
}
XDocument xdoc = XDocument.Load(fn);
CreateCarriers(dropInto, xdoc.Element("Carriers"));
}
}
}
if (receptorsRegistered)
{
dropInto.LoadReceptors();
droppedReceptor.Instance.EndSystemInit();
}
View.StartDrop = false;
}
protected void DragDropEvent(object sender, DragEventArgs args)
{
bool once = true;
bool receptorsRegistered = false;
View.DropPoint = View.NegativeSurfaceOffsetAdjust(new Point(args.X, args.Y));
View.StartDrop = true;
IMembrane dropInto = View.FindInnermostSelectedMembrane(View.DropPoint, Program.Skin, false);
dropInto.IfNull(() => dropInto = Program.Skin);
IReceptor droppedReceptor = null;
if (args.Data.GetFormats().Contains("FileDrop"))
{
string[] files = args.Data.GetData("FileDrop") as string[];
foreach (string fn in files)
{
// Attempt to load a receptor.
if (fn.ToLower().EndsWith(".dll"))
{
if (once)
{
Say("Loading receptors.");
once = false;
}
droppedReceptor = dropInto.RegisterReceptor(fn);
receptorsRegistered = true;
}
else if (fn.ToLower().RightOfRightmostOf('.').ToLower().Contains(new string[] { "jpg", "png", "bmp", "gif" }) != String.Empty)
{
if (once)
{
Say("Processing files.");
once = false;
}
// Create carriers for each of our images.
ISemanticTypeStruct protocol = Program.SemanticTypeSystem.GetSemanticTypeStruct("ImageFilename");
dynamic signal = Program.SemanticTypeSystem.Create("ImageFilename");
// TODO: We need to figure out how to do computed types, so that I can assign a fully qualified name and set the discrete sub-types Path, Name, and FileExtension.
// The reverse would also be nice, a "getter" on "FullyQualifiedName" would combine the Path, Name, and FileExtension.
signal.Filename.Path.Text.Value = Path.GetDirectoryName(fn);
signal.Filename.Name.Text.Value = Path.GetFileNameWithoutExtension(fn);
signal.Filename.FileExtension.Text.Value = Path.GetExtension(fn);
dropInto.CreateCarrier(Program.Skin["DropReceptor"].Instance, protocol, signal);
}
else if (fn.ToLower().EndsWith(".xml"))
{
// We assume these are carriers we're going to drop.
if (once)
{
Say("Processing carriers.");
once = false;
}
XDocument xdoc = XDocument.Load(fn);
CreateCarriers(dropInto, xdoc.Element("Carriers"));
}
}
}
if (receptorsRegistered)
{
dropInto.LoadReceptors();
droppedReceptor.Instance.EndSystemInit();
}
View.StartDrop = false;
}
