public RemoveSelected(ObservableCollection <AddedPath> addedPaths, ObservableCollection <AddedPath> selectedPaths, ICommandInvoker commandInvoker)
{
this.addedPaths = addedPaths;
this.selectedPaths = selectedPaths;
this.commandInvoker = commandInvoker;
this.selectedPaths.CollectionChanged += (s, e) => CanExecuteChanged.Raise(this, EventArgs.Empty);
}
private void UpdateCanExecuteWhenTaskIsComplete(object sender, PropertyChangedEventArgs _)
{
var task = (NotifyTask)sender;
if (!task.IsCompleted)
{
return;
}
task.PropertyChanged -= UpdateCanExecuteWhenTaskIsComplete; // unhook itself
CanExecuteChanged.Raise(this); // raise event so that consumers (buttons) can reactivate
_messages.Add($"Loaded {_currentP4K.FileName}.");
_progress.Stop();
}
private async Task OpenP4kFile()
{
CanExecuteChanged.Raise(this);
_command.Execution.PropertyChanged += UpdateCanExecuteWhenTaskIsComplete;
var openFileDialog = new OpenFileDialog
{
DefaultExt = ".p4k",
Filter = "Game archive (.p4k)|*.p4k"
};
if (!openFileDialog.ShowDialog()
.Value)
{
return;
}
var file = _fileSystem.FileInfo.FromFileName(openFileDialog.FileName);
_messages.Add($"Loading {openFileDialog.FileName}...");
_progress.SetIndetermined();
await _currentP4K.ChangeAsync(file);
}
public void RaiseCanExecuteChanged()
{
CanExecuteChanged.Raise(this);
}
/// <summary>
/// Raises the CanExecuteChanged event</summary>
/// <param name="sender">Sender</param>
/// <param name="e">Event args</param>
private void RaiseCanExecuteChanged(object sender, EventArgs e)
{
CanExecuteChanged.Raise(sender, e);
}
public void RaiseCanExecuteChanged()
{
CanExecuteChanged.Raise(this, EventArgs.Empty);
}
public PerformMerge(ObservableCollection <AddedPath> addedPaths)
{
this.addedPaths = addedPaths;
this.addedPaths.CollectionChanged += (s, e) => CanExecuteChanged.Raise(this, EventArgs.Empty);
}
