private static IEnumerable <EntityDesignerCommand> GetCommands(IEntityDesignerLayer layer = null)
{
var commandsToReturn = new List <EntityDesignerCommand>();
var commandsForLayer = EscherExtensionPointManager.LoadCommandExtensions(layer == null, layer != null);
foreach (var lazyFactory in commandsForLayer)
{
var factory = lazyFactory.Value;
if (factory != null)
{
commandsToReturn.AddRange(factory.Commands);
}
}
return(commandsToReturn);
}
internal void Load()
{
// Load all the layers first
var extensions = EscherExtensionPointManager.LoadLayerExtensions();
if (extensions != null)
{
var selectedEFElement = SelectedEFObject as EFElement;
foreach (var ex in extensions)
{
var layer = ex.Value;
if (layer != null)
{
var isLayerEnabled = IsLayerEnabled(layer.Name);
EntityDesignerCommand enableCommand;
var addedCommand = AddEnableLayerCommand(layer, isLayerEnabled, out enableCommand);
if (addedCommand && enableCommand != null)
{
if (isLayerEnabled)
{
LoadLayer(layer, selectedEFElement != null ? selectedEFElement.XObject : null);
}
var layerState = new LayerState {
IsEnabled = isLayerEnabled, EnableCommand = enableCommand
};
_layer2state.Add(layer, layerState);
}
}
}
}
// TODO Now we load the commands from the command factories. At some point we should move this out of the layer manager
// into a more global object (not tied to the lifetime of the artifact)
foreach (var command in GetCommands())
{
AddCommand(command);
}
ListenToSelections();
}
