/// <summary>
/// Creates a filewatcher for the FileEnding of the watched file
/// </summary>
/// <param name="w">the file to watch for</param>
private void createNewFileWatcher(watchedFile w)
{
if (w.path == null || w.path == string.Empty)
{
return;
}
string fileName = w.path.Remove(0, w.path.LastIndexOf(@"\") + 1);
filesToWatch_List.Add(w);
// neuen fileWatcher für Dateiendung erstellen
FileSystemWatcher fsw = new FileSystemWatcher();
fsw.Filter = "*" + new FileInfo(w.path).Extension;
foreach (FileSystemWatcher watcher in watchers)
{ //gibt es für die Endung schon eine Überwachung?
if (watcher.Filter == fsw.Filter)
{
return;
}
}
fsw.IncludeSubdirectories = false;
fsw.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName;
fsw.Path = @"C:\";
fsw.IncludeSubdirectories = true;
fsw.Created += new FileSystemEventHandler(OnFileChanged);
fsw.Deleted += new FileSystemEventHandler(OnFileChanged);
fsw.Renamed += new RenamedEventHandler(OnFileRenamed);
fsw.EnableRaisingEvents = true;
watchers.Add(fsw);
}
/// <summary>
/// Used when file that is watched is renamed
/// </summary>
/// <param name="source"></param>
/// <param name="e"></param>
private void OnFileRenamed(object source, RenamedEventArgs e)
{
string oldFullPath = e.OldFullPath;
string oldFile = e.OldFullPath.Remove(0, e.OldFullPath.LastIndexOf(@"\") + 1);
string fullPath = e.FullPath;
string file = e.FullPath.Remove(0, e.FullPath.LastIndexOf(@"\") + 1);
// ist die umbenannte datei in Überwachungsliste?
bool exists = false;
for (int i = 0; i < filesToWatch_List.Count; i++)
{
if (filesToWatch_List[i].path.EndsWith(file) || filesToWatch_List[i].path.EndsWith(oldFile))
{
exists = true;
break;
}
}
// wenn ja, dann dateinamen aktualisieren
if (exists)
{
MessageBox.Show(string.Format("File: {0} renamed to {1}", oldFullPath, fullPath));
List <int> indizes = new List <int>();
for (int i = 0; i < filesToWatch_List.Count; i++)
{ // entsprechenden index in der übwachungsliste raussuchen
if (filesToWatch_List[i].path == oldFullPath || filesToWatch_List[i].path.EndsWith(oldFile))
{
indizes.Add(i);
}
}
if (indizes.Count > 1)
{
MessageBox.Show("mist, die datei ist zweimal in der Überwachungsliste");
}
if (indizes.Count == 1)
{ // daten der überwachungsdatei aktualisieren
watchedFile w = new watchedFile(filesToWatch_List[indizes[0]].name, fullPath, filesToWatch_List[indizes[0]].tags);
filesToWatch_List.RemoveAt(indizes[0]);
filesToWatch_List.Add(w);
}
}
}
// File Handling
/// <summary>
/// Used when file that is watched in added or deleted
/// </summary>
/// <param name="source"></param>
/// <param name="e"></param>
private void OnFileChanged(object source, FileSystemEventArgs e)
{
string fullPath = e.FullPath;
watchedFile w = filesToWatch_List.Find(x => x.path == fullPath);
string file = e.FullPath.Remove(0, e.FullPath.LastIndexOf(@"\") + 1);
// Datei wurde gelöscht, entferne aus Überwachungsliste, füge zu gelöscht liste hinzu
if (e.ChangeType == WatcherChangeTypes.Deleted)
{
filesDeleted.Add(w);
int a = filesToWatch_List.FindIndex(x => x.path == fullPath);
if (a >= 0)
{
filesToWatch_List.RemoveAt(a);
}
}
// Datei wurde erstellt
if (e.ChangeType == WatcherChangeTypes.Created)
{
// Überprüfe ob hinzugefügte Datei in gelöscht-Liste
List <int> indizes = new List <int>();
for (int i = 0; i < filesDeleted.Count; i++)
{
if (filesDeleted[i].path.EndsWith(file))
{
indizes.Add(i);
}
}
if (indizes.Count > 1)
{
MessageBox.Show("mist, die datei existiert mehrfach in der überwachungsliste");
}
// Wenn ja ist die hinzugefügte Datei nur verschoben worden -> lösche aus gelöscht, füge mit neuem pfad zu überwachung hinzu
if (indizes.Count == 1)
{
filesDeleted.RemoveAt(indizes[0]);
filesToWatch_List.Add(w);
}
}
}
/// <summary>
/// creates a list of files to be watched from the files.elo file
/// </summary>
private void InitializeFiles()
{
filesToWatch_List.Clear();
if (!File.Exists(@"..\files.elo"))
{
return;
}
foreach (string s in File.ReadAllLines(@"..\files.elo"))
{
string[] parts = s.Split(';');
List <string> tags = new List <string>(parts[2].Split(','));
watchedFile w = new watchedFile(parts[0], parts[1], tags);
filesToWatch_List.Add(w);
foreach (string tag in tags)
{
if (!existingTags.Contains(tag))
{
existingTags.Add(tag);
}
}
}
}
