private void InitializeCommands()
{
PauseCommand = new RelayCommand <IDownloadingFile>(
item => OperateTaskToken(item, token => token.Suspend(), "Pause task failed."), // TODO: [I18N]
item => item.DownloadInfo.Status == TransferStatus.Transferring ||
item.DownloadInfo.Status == TransferStatus.Ready);
StartCommand = new RelayCommand <IDownloadingFile>(
item => OperateTaskToken(item, token => token.Ready(), "Restart task failed."),
item => item.DownloadInfo.Status == TransferStatus.Suspended);
StartForceCommand = new RelayCommand <IDownloadingFile>(
item => OperateTaskToken(item, token => token.AsNext(), "Jump queue failed."),
item => item.DownloadInfo.Status != TransferStatus.Transferring);
CancelCommand = new RelayCommand <IDownloadingFile>(
item => OperateTaskToken(item, token => token.Dispose(), "Cancel task failed."));
PauseAllCommand = new RelayCommand(
() => TransferTasks.ForEach(item => PauseCommand.Invoke(item)),
() => TransferTasks?.Any() ?? false);
CancelAllCommand = new RelayCommand(
() => TransferTasks.ForEach(item => CancelCommand.Invoke(item)),
() => TransferTasks?.Any() ?? false);
}
