void UpdatePath (PathData pathData)
{
var newRoot = GetFilenameFromFd (pathData.Fd);
if (!newRoot.StartsWith (fullPathNoLastSlash)) { // moved outside of our watched path (so stop observing it)
RemoveTree (pathData);
return;
}
var toRename = new List<PathData> ();
var oldRoot = pathData.Path;
toRename.Add (pathData);
if (pathData.IsDirectory) { // anything under the directory must have their paths updated
var prefix = oldRoot + Path.DirectorySeparatorChar;
foreach (var path in pathsDict.Keys)
if (path.StartsWith (prefix))
toRename.Add (pathsDict [path]);
}
foreach (var renaming in toRename) {
var oldPath = renaming.Path;
var newPath = newRoot + oldPath.Substring (oldRoot.Length);
renaming.Path = newPath;
pathsDict.Remove (oldPath);
// destination may exist in our records from a Created event, take care of it
if (pathsDict.ContainsKey (newPath)) {
var conflict = pathsDict [newPath];
if (GetFilenameFromFd (renaming.Fd) == GetFilenameFromFd (conflict.Fd))
Remove (conflict);
else
UpdatePath (conflict);
}
pathsDict.Add (newPath, renaming);
}
PostEvent (FileAction.RenamedNewName, oldRoot, newRoot);
}
void Remove (PathData pathData)
{
fdsDict.Remove (pathData.Fd);
pathsDict.Remove (pathData.Path);
close (pathData.Fd);
PostEvent (FileAction.Removed, pathData.Path);
}
void RemoveTree (PathData pathData)
{
var toRemove = new List<PathData> ();
toRemove.Add (pathData);
if (pathData.IsDirectory) {
var prefix = pathData.Path + Path.DirectorySeparatorChar;
foreach (var path in pathsDict.Keys)
if (path.StartsWith (prefix)) {
toRemove.Add (pathsDict [path]);
}
}
toRemove.ForEach (Remove);
}
PathData Add (string path, bool postEvents, ref List<int> fds)
{
PathData pathData;
pathsDict.TryGetValue (path, out pathData);
if (pathData != null)
return pathData;
if (fdsDict.Count >= maxFds)
throw new IOException ("kqueue() FileSystemWatcher has reached the maximum number of files to watch.");
var fd = open (path, O_EVTONLY, 0);
if (fd == -1) {
fsw.DispatchErrorEvents (new ErrorEventArgs (new IOException (String.Format (
"open() error while attempting to process path '{0}', error code = '{1}'", path, Marshal.GetLastWin32Error ()))));
return null;
}
try {
fds.Add (fd);
var attrs = File.GetAttributes (path);
pathData = new PathData {
Path = path,
Fd = fd,
IsDirectory = (attrs & FileAttributes.Directory) == FileAttributes.Directory
};
pathsDict.Add (path, pathData);
fdsDict.Add (fd, pathData);
if (postEvents)
PostEvent (FileAction.Added, path);
return pathData;
} catch (Exception e) {
close (fd);
fsw.DispatchErrorEvents (new ErrorEventArgs (e));
return null;
}
}
void Rename (PathData pathData, string newRoot)
{
var toRename = new List<PathData> ();
var oldRoot = pathData.Path;
toRename.Add (pathData);
if (pathData.IsDirectory) {
var prefix = oldRoot + Path.DirectorySeparatorChar;
foreach (var path in pathsDict.Keys)
if (path.StartsWith (prefix))
toRename.Add (pathsDict [path]);
}
toRename.ForEach ((pd) => {
var oldPath = pd.Path;
var newPath = newRoot + oldPath.Substring (oldRoot.Length);
pd.Path = newPath;
pathsDict.Remove (oldPath);
pathsDict.Add (newPath, pd);
});
PostEvent (FileAction.RenamedNewName, oldRoot, newRoot);
}
async void ReadWheelsData()
{
string data;
var file = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFileAsync(@"GEODATA.txt");
var stream = await file.OpenStreamForReadAsync();
var rdr = new StreamReader(stream);
data = await rdr.ReadToEndAsync();
var lines = data.Split(new string[] { System.Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
var index = 0;
foreach (string line in lines)
{
var info = line.Split(new char[] { ':' });
int indx = int.Parse(info[0].Substring(1, info[0].Length - 2));
string[] pdata = info[1].Split(new char[] { ',' });
BazelyChuck bc = new BazelyChuck(index++, pdata);
_BazelyPatterns.Add(bc);
}
_lastWheelsPattern = _WheelsPatterns[0];
}
public void SetupPattern(PatternType ptyp, PathData d, double inc)
{
if (d == null)
{
RestoreLastPathdata(ptyp);
}
else
{
CurrentPathData = d;
}
if (inc > 0)
Increment = inc;
SetupEngine(ptyp);
}
public void CreateData()
{
BazeleyPatterns = new ObservableCollection<BazelyChuck>();
_lastBazleyPattern = null;
RossPatterns = new ObservableCollection<RossData>();
_currentPath = new ShapeCollection();
_lastRossPattern = null;
WheelsPatterns = new ObservableCollection<WheelsData>();
_lastWheelsPattern = null;
BarrelPatterns = new ObservableCollection<Barrel>();
_lastBarrelPattern = null;
LatticePatterns = new ObservableCollection<LatticeData>();
_lastLatticePattern = null;
BraidPatterns = new ObservableCollection<BraidData>();
_lastBraidPattern = null;
CreateBazelyData();
CreateRossData();
CreateWheelsData();
CreateBarrelData();
CreateLatticeData();
CreateBraidData();
NeedsInitialising = false;
}
