|
public FindObjectByUndoId ( string id ) : |
||
| id | string | |
| 리턴 | ||
ObjectWrapperUndoRedoChange ApplyDiff(string id, object diff)
{
// Console.WriteLine ("** APPLYING DIFF: uid:" + id);
// PrintPatch (diff);
ObjectWrapper ww = rootObject.FindObjectByUndoId(id);
if (ww == null)
{
Console.WriteLine("Object with undo id '{0}' not found", id);
return(null);
}
object reverseDiff = ww.ApplyUndoRedoDiff(diff);
if (reverseDiff != null)
{
// Console.WriteLine ("** REVERSE DIFF:");
// PrintPatch (reverseDiff);
ObjectWrapperUndoRedoChange change = new ObjectWrapperUndoRedoChange(this, id, reverseDiff);
return(change);
}
else
{
return(null);
}
}
// Call this from a DragDrop event to receive the dragged widget
public static void Drop(Gdk.DragContext ctx, uint time, ObjectWrapper targetWrapper, string dropData)
{
if (dropCallback == null)
{
Gtk.Widget w = Drop(ctx, (Gtk.Widget)targetWrapper.Wrapped, time);
targetWrapper.DropObject(dropData, w);
return;
}
Cancel();
Gtk.Drag.Finish(ctx, true, true, time);
Gtk.Application.Invoke(delegate
{
IProject project = targetWrapper.Project;
string uid = targetWrapper.UndoId;
string tname = ((Wrapper.Widget)targetWrapper).GetTopLevel().Wrapped.Name;
// This call may cause the project to be reloaded
dragWidget = dropCallback();
if (dragWidget == null)
{
return;
}
if (targetWrapper.IsDisposed)
{
// The project has been reloaded. Find the wrapper again.
Gtk.Widget twidget = project.GetTopLevel(tname);
ObjectWrapper ow = ObjectWrapper.Lookup(twidget);
if (ow != null)
{
targetWrapper = ow.FindObjectByUndoId(uid);
}
else
{
targetWrapper = null;
}
if (targetWrapper == null)
{
// Target wrapper not found. Just ignore the drop.
return;
}
}
targetWrapper.DropObject(dropData, dragWidget);
});
}