/// <summary>
/// 转离线发送
/// </summary>
private void OfflineSend()
{
if (ChatViewModel != null)
{
_targetModel.CanOperate = false;
this.tbConnecting.Visibility = Visibility.Visible;
if (!string.IsNullOrEmpty(_targetModel.MsgKey))
{
SDKClient.SDKProperty.chatType messageType = ChatViewModel.IsGroup ? SDKClient.SDKProperty.chatType.groupChat : SDKClient.SDKProperty.chatType.chat;
SDKClient.SDKClient.Instance.SendRetractMessage(_targetModel.MsgKey,
ChatViewModel.ID.ToString(), messageType, ChatViewModel.IsGroup ? ChatViewModel.ID : 0, SDKClient.SDKProperty.RetractType.OnlineToOffline);
string size = Helper.FileHelper.FileSizeToString(_targetModel.ResourceModel.Length);
string content = $"您取消了\"{_targetModel.ResourceModel.FileName}\"({size})的发送，文件传输失败。";
MessageModel cancel = new MessageModel()
{
MsgKey = _targetModel.MsgKey,
Content = content,
MsgType = MessageType.notification,
MessageState = MessageStates.Fail,
};
ChatViewModel.Chat.Messages.Insert(ChatViewModel.Chat.Messages.Count - 1, cancel);
AcioningItems.Remove(this);
if (_operateTask != null)
{
_operateTask.Cancel();
_operateTask = null;
}
}
if (FileExists())
{
AcioningItems.Add(this);
_operateTask = new System.Threading.CancellationTokenSource();
ChatViewModel.SendOfflineFile(_targetModel, _operateTask, (result) =>
{
AcioningItems.Remove(this);
if (_operateTask != null)
{
_operateTask.Cancel();
_operateTask = null;
}
});
}
else
{
ChatViewModel.Chat.Messages.Remove(_targetModel);
}
}
}
/// <summary>
/// 在线发送
/// </summary>
private void OnlineSend()
{
if (ChatViewModel != null)
{
_targetModel.CanOperate = false;
AcioningItems.Remove(this);
if (_operateTask != null)
{
_operateTask.Cancel();
_operateTask = null;
}
if (FileExists())
{
AcioningItems.Add(this);
_operateTask = new System.Threading.CancellationTokenSource();
if (ChatViewModel.IsGroup)
{
this.tbConnecting.Visibility = Visibility.Visible;
//群聊只能离线发送
ChatViewModel.SendOfflineFile(_targetModel, _operateTask, (result) =>
{
AcioningItems.Remove(this);
if (_operateTask != null)
{
_operateTask.Cancel();
_operateTask = null;
}
});
}
else
{
ChatViewModel.SendOnlineFile(ChatViewModel, _targetModel, _operateTask, (result) =>
{
AcioningItems.Remove(this);
if (_operateTask != null)
{
_operateTask.Cancel();
_operateTask = null;
}
});
}
}
else
{
ChatViewModel.Chat.Messages.Remove(_targetModel);
}
}
}
/// <summary>
/// 开始接收
/// </summary>
private void Receive()
{
if (ChatViewModel != null && AppData.CanInternetAction())
{
_targetModel.MessageState = MessageStates.None;
this.FileState = FileStates.Receiving;
_operateTask = new System.Threading.CancellationTokenSource();
AcioningItems.Add(this);
CSClient.Helper.MessageHelper.LoadFileContent(_targetModel, _operateTask, ChatViewModel, (result) =>
{
AcioningItems.Remove(this);
if (_operateTask != null)
{
_operateTask.Cancel();
_operateTask = null;
}
});
}
}
private void SendVideo()
{
if (ChatViewModel != null)
{
_targetModel.CanOperate = false;
if (FileExists())
{
AcioningItems.Add(this);
_operateTask = new System.Threading.CancellationTokenSource();
_targetModel.ResourceModel.FileState = FileStates.SendOffline;
if (AppData.CanInternetAction(""))
{
ChatViewModel.SendSmallVideoFile(_targetModel, _operateTask, async(result) =>
{
if (SDKClient.SDKClient.Instance.property.CurrentAccount.Isforbidden)
{
_targetModel.MessageState = MessageStates.Warn;
_targetModel.ResourceModel.FileState = FileStates.Fail;
}
AcioningItems.Remove(this);
if (_operateTask != null)
{
_operateTask.Cancel();
_operateTask = null;
}
});
}
else
{
ChatViewModel.SaveSendingMessages(_targetModel);
}
}
else
{
ChatViewModel.Chat.Messages.Remove(_targetModel);
}
}
}
/// <summary>
/// 另存为
/// </summary>
private void SaveAs()
{
if (_targetModel.ResourceModel.FileState == FileStates.WaitForReceieve)
{
if (AppData.CanInternetAction())
{
Microsoft.Win32.SaveFileDialog sfd = new Microsoft.Win32.SaveFileDialog();
sfd.FileName = _targetModel.ResourceModel.FileName;
//sfd.Filter = System.IO.Path.GetExtension(_targetModel.ResourceModel.FileName);
if (sfd.ShowDialog() == true)
{
try
{
File.Delete(sfd.FileName);
}
catch
{
AppData.MainMV.TipMessage = "文件已被占用，替换失败!";
return;
}
this.FileState = FileStates.Receiving;
_operateTask = new System.Threading.CancellationTokenSource();
AcioningItems.Add(this);
ChatViewModel chatVM = AppData.MainMV.ChatListVM.SelectedItem;
CSClient.Helper.MessageHelper.LoadFileContent(_targetModel, _operateTask, chatVM, (result) =>
{
AcioningItems.Remove(this);
if (_operateTask != null)
{
_operateTask.Cancel();
_operateTask = null;
}
}, sfd.FileName);
}
}
}
else
{
if (FileExists())
{
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = System.IO.Path.GetFileName(this.FullName); // Default file name
dlg.DefaultExt = System.IO.Path.GetExtension(this.FullName); // fileName.Split('.').LastOrDefault(); // Default file extension
dlg.Filter = string.Format("文件 (.{0})|*.{0}", dlg.DefaultExt); // // Filter files by extension
dlg.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
if (dlg.ShowDialog() == true)
{
try
{
File.Copy(this.FullName, dlg.FileName, true);
}
catch
{
AppData.MainMV.TipMessage = "文件已被占用，替换失败!";
}
}
}
}
}
