internal RhinoFileWatcher(uint runtimeSerialNumber)
{
try
{
RuntimeSerialNumber = runtimeSerialNumber;
Watcher = new FileSystemWatcher
{
// Disable watching
EnableRaisingEvents = false,
// Watch for changes in LastAccess and LastWrite times, and the renaming of files or directories.
//ALB - I'm fairly sure we don't need to know when a file was last accessed...and it seems like this would be a bad thing
//to notify about.
NotifyFilter = /*NotifyFilters.LastAccess | */ NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName,
};
// Add event handlers.
Watcher.Changed += OnChanged;
Watcher.Created += OnChanged;
Watcher.Deleted += OnChanged;
Watcher.Renamed += OnRenamed;
// Make sure they watchers are shutdown when closing Rhino
RhinoApp.Closing += (sender, args) => Dispose();
}
catch (Exception exception)
{
RhinoFileEventWatcherHooks.ReportException(exception);
}
}
public bool Watch(string path, string filter)
{
try
{
path = ConvertPathToOSPath(path);
filter = ConvertPathToOSPath(filter);
// Check to see if this is a path to a file name
IsFile = !Directory.Exists(path);
if (IsFile)
{
// Use the file name as the filter
filter = Path.GetFileName(path);
// Get the file directory to use as the path
path = Path.GetDirectoryName(path);
}
Watcher.EnableRaisingEvents = false;
Watcher.Path = path;
Watcher.Filter = filter ?? "*.*";
Watcher.EnableRaisingEvents = Enabled;
return(true);
}
catch (Exception e)
{
var message = string.IsNullOrWhiteSpace(path)
? UI.Localization.LocalizeString("RhinoFileWatcher.Watch *error* empty path", 39)
: string.Format(UI.Localization.LocalizeString("RhinoFileWatcher.Watch *error* parsing path name \"{0}\"", 40), path);
RhinoApp.WriteLine(message);
RhinoFileEventWatcherHooks.DumpException(e);
return(false);
}
}
internal RhinoFileWatcher(IntPtr pointerToIRhinoFileEventWatcher)
{
try
{
Pointer = pointerToIRhinoFileEventWatcher;
Watcher = new FileSystemWatcher
{
// Disable watching
EnableRaisingEvents = false,
// Watch for changes in LastAccess and LastWrite times, and the renaming of files or directories.
NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName,
};
// Add event handlers.
Watcher.Changed += OnChanged;
Watcher.Created += OnChanged;
Watcher.Deleted += OnChanged;
Watcher.Renamed += OnRenamed;
// Make sure they watchers are shutdown when closing Rhino
RhinoApp.Closing += (sender, args) => Dispose();
}
catch (Exception exception)
{
RhinoFileEventWatcherHooks.ReportException(exception);
}
}
private void OnRenamed(object source, RenamedEventArgs args)
{
if (!Enabled)
{
return;
}
// 26 Feb 2021 John Morse
// https://mcneel.myjetbrains.com/youtrack/issue/RH-62972
// When saving a 3DM file is finishing it calls ReplaceFileW which causes a renamed
// instance which has a null e.OldName and a e.Name, this will ignore cases where
// the old name is null and the new name is not or the new name is null and the old
// is not.
try
{
if (string.IsNullOrEmpty(args.Name) == string.IsNullOrEmpty(args.OldName))
{
RhinoApp.InvokeOnUiThread(RenamedHook, RuntimeSerialNumber, args.OldFullPath, args.FullPath);
}
}
catch (Exception e)
{
RhinoFileEventWatcherHooks.DumpException(e);
}
}
public void Dispose()
{
RhinoFileEventWatcherHooks.DisposedOf(RuntimeSerialNumber);
UnWatch();
Disposed = true;
}
// Define the event handlers.
private void OnChanged(object source, FileSystemEventArgs args)
{
if (!Enabled)
{
return;
}
try
{
RhinoApp.InvokeOnUiThread(ChangedHook, RuntimeSerialNumber, (RhinoFileWatcherChangeReason)args.ChangeType, args.FullPath);
}
catch (Exception e)
{
RhinoFileEventWatcherHooks.DumpException(e);
}
}
public bool Watch(string path, string filter)
{
if (Disposed)
{
return(false);
}
UnWatch();
try
{
UnWatch();
path = ConvertPathToOSPath(path);
filter = ConvertPathToOSPath(filter);
// Check to see if this is a path to a file name
IsFile = !Directory.Exists(path);
if (IsFile)
{
// Use the file name as the filter
filter = Path.GetFileName(path);
// Get the file directory to use as the path
path = Path.GetDirectoryName(path);
}
//Now find a corresponding watcher from the dictionary
string key = System.IO.Path.Combine(path, filter);
RefCountedFileSystemWatcher watcher = null;
if (g_file_system_watchers.TryGetValue(key, out watcher) && null != watcher)
{
Watcher = watcher;
Watcher.AddRef();
}
else
{
watcher = new RefCountedFileSystemWatcher();
g_file_system_watchers.Add(key, watcher);
watcher.Impl.Path = path;
watcher.Impl.Filter = filter ?? "*.*";
Watcher = watcher;
}
Watcher.Impl.Changed += OnChanged;
Watcher.Impl.Created += OnChanged;
Watcher.Impl.Deleted += OnChanged;
Watcher.Impl.Renamed += OnRenamed;
Watcher.Impl.EnableRaisingEvents = true;
return(true);
}
catch (Exception e)
{
var message = string.IsNullOrWhiteSpace(path)
? UI.Localization.LocalizeString("RhinoFileWatcher.Watch *error* empty path", 39)
: string.Format(UI.Localization.LocalizeString("RhinoFileWatcher.Watch *error* parsing path name \"{0}\"", 40), path);
RhinoApp.WriteLine(message);
RhinoFileEventWatcherHooks.DumpException(e);
return(false);
}
}
