public FileModel(MainModel parent, string file, UrlSate sate)
{
Parent = parent;
_file = file;
_sate = sate;
Name = Path.GetFileNameWithoutExtension(file);
try
{
Urls = new ObservableCollection <UrlModel>(File.ReadAllLines(file)
.Distinct()
.Where(line => !string.IsNullOrEmpty(line) && !Regex.IsMatch(line, @"^\s*#"))
.Select((item, index) =>
{
var model = new UrlModel(this)
{
Index = index + 1,
Value = item
};
return(model);
}));
}
catch (Exception e)
{
MessageBox.Show(e.GetBaseException().Message);
Urls = new ObservableCollection <UrlModel>();
}
_selectedUrl = Urls.FirstOrDefault(url => _sate.Value == url.Value) ?? Urls.FirstOrDefault();
_curentUrl = _selectedUrl;
_sate.Value = _selectedUrl?.Value;
BackCommand = new DelegateCommand(Back, CanBack);
ForwardCommand = new DelegateCommand(Forward, CanForward);
}
public void Remove()
{
var url = SelectedUrl;
_history.RemoveAll(u => u == url);
_historyIndex = _history.Count;
_curentUrl = null;
SelectUrl(null);
Urls.Remove(url);
try
{
var lines = File.ReadAllLines(_file).Where(line => line != url.Value);
File.WriteAllLines(_file, lines);
}
catch (Exception e)
{
MessageBox.Show(e.GetBaseException().Message);
}
}
public void SelectNext()
{
SelectedUrl = SelectedUrl.Index < Urls.Count
? Urls[SelectedUrl.Index]
: null;
}
private void SelectUrl(UrlModel url)
{
_selectedUrl = url;
_sate.Value = url?.Value;
OnPropertyChanged(() => SelectedUrl);
}