private async Task LoadPointfile(MapDocument document, string file)
{
if (file != null && File.Exists(file))
{
var text = File.ReadAllLines(file);
Pointfile point;
try
{
point = Pointfile.Parse(text);
}
catch
{
MessageBox.Show(String.Format(InvalidPointfile, Path.GetFileName(file)));
return;
}
await MapDocumentOperation.Perform(document, new TrivialOperation(
d => d.Map.Data.Replace(point),
c => c.Add(c.Document.Map.Root)
));
if (point.Lines.Any())
{
var start = point.Lines[0].Start;
await Oy.Publish("MapDocument:Viewport:Focus2D", start);
await Oy.Publish("MapDocument:Viewport:Focus3D", start);
}
}
}
public static Pointfile Parse(IEnumerable <string> lines)
{
var pf = new Pointfile();
var list = lines.ToList();
if (!list.Any())
{
return(pf);
}
// Format detection: look at one line
// .lin format: coordinate - coordinate
// .pts format: coordinate
var detect = list[0].Split(' ');
var lin = detect.Length == 7;
var pts = detect.Length == 3;
if (!lin && !pts)
{
throw new Exception("Invalid pointfile format.");
}
Vector3?previous = null;
foreach (var line in list)
{
var split = line.Split(' ');
var point = NumericsExtensions.Parse(split[0], split[1], split[2], NumberStyles.Float, CultureInfo.InvariantCulture);
if (lin)
{
var point2 = NumericsExtensions.Parse(split[4], split[5], split[6], NumberStyles.Float, CultureInfo.InvariantCulture);
pf.Lines.Add(new Line(point2, point));
}
else // pts
{
if (previous.HasValue)
{
pf.Lines.Add(new Line(previous.Value, point));
}
previous = point;
}
}
return(pf);
}
protected override async Task Invoke(MapDocument document, CommandParameters parameters)
{
using (var ofd = new OpenFileDialog())
{
ofd.Filter = "Pointfiles (*.lin, *.pts)|*.lin;*.pts";
ofd.InitialDirectory = Path.GetDirectoryName(document.FileName);
ofd.Multiselect = false;
if (ofd.ShowDialog() != DialogResult.OK)
{
return;
}
var file = ofd.FileName;
var text = File.ReadAllLines(file);
Pointfile point;
try
{
point = Pointfile.Parse(text);
}
catch
{
MessageBox.Show(String.Format(InvalidPointfile, Path.GetFileName(file)));
return;
}
await MapDocumentOperation.Perform(document, new TrivialOperation(
d => d.Map.Data.Replace(point),
c => c.Add(c.Document.Map.Root)
));
if (point.Lines.Any())
{
var start = point.Lines[0].Start;
await Oy.Publish("MapDocument:Viewport:Focus2D", start);
await Oy.Publish("MapDocument:Viewport:Focus3D", start);
}
}
}
