public static void SaveToFile(FileDelegate onFileOpen, string filter = AllFilesFilter)
{
SaveFileDialog fileDialog = new SaveFileDialog();
fileDialog.Filter = filter;
bool?res = fileDialog.ShowDialog();
if (res != null && res == true)
{
Stream fs = fileDialog.OpenFile();
try
{
onFileOpen(fs, fileDialog.FileName);
}
catch (Exception exc)
{
MessageBox.Show("Error while writing to file: " + exc.Message, "Error");
}
fs.Close();
}
}
public static void LoadFromFile(FileDelegate onFileOpen, string filter = AllFilesFilter)
{
OpenFileDialog fileDialog = new OpenFileDialog();
fileDialog.Filter = filter;
bool?res = fileDialog.ShowDialog();
if (res != null && res == true && File.Exists(fileDialog.FileName))
{
Stream fs = fileDialog.OpenFile();
try
{
onFileOpen(fs, fileDialog.FileName);
}
catch (Exception exc)
{
MessageBox.Show("Error while reading from file: " + exc.Message, "Error");
}
fs.Close();
}
}
public MainForm()
{
InitializeComponent();
DateFilter = GetFileDateFilter();
List <string> files = new List <string>();
if (File.Exists(FileData))
{
//load files info
var text = File.ReadAllLines(FileData, Encoding.Default);
for (var i = 0; i < text.Length; i += 2)
{
dict.Add(text[i], Convert.ToDateTime(text[i + 1]));
}
}
lblDataInfo.Text = "Saved file info for " + dict.Count() + " files";
}
//method: ParseFile()
//Purpose: To parse user specific file
//Parameters: string file, string type
//returns: Dictionary<string,cityinfo>
public Dictionary <string, CityInfo> ParseFile(string file, string type)
{
FileDelegate fileDelegate = null;
switch (type.ToLower())
{
case "xml":
fileDelegate += ParseXML;
break;
case "json":
fileDelegate += ParseJSON;
break;
case "csv":
fileDelegate += ParseCSV;
break;
default:
break;
}
fileDelegate(file);
return(CityCatalogue);
}
private void File(string[] talkInfo)
{
if (this.InvokeRequired)
{
FileDelegate fileDelegate = File;
this.Invoke(fileDelegate, new object[] { talkInfo });
}
else
{
//MessageBox.Show(message);
Console.WriteLine("access file case");
if (chatFormList.Count == 0)
{
Console.WriteLine("chatfromlist.count=0;");
Console.WriteLine(string.Format("lstviewOnlineUser.Items 's count :{0}", lstviewOnlineUser.Items.Count));
foreach (ListViewItem item in lstviewOnlineUser.Items)
{
Console.WriteLine(string.Format("chatFormList.Count == 0 listusername:{0} fromuser:{1} ", item.SubItems[1].Text, talkInfo[2]));
if (item.SubItems[1].Text == talkInfo[2])
{
Console.WriteLine(talkInfo[2] + "对话框未打开，自动打开接收文件");
showDialogChatToReceiveFile(item); //打开对话框接收文件
//break;
}
}
//for (int i = 0; i < lstviewOnlineUser.Items.Count; i++)
//{
// Console.WriteLine(string.Format("chatFormList.Count == 0 循环{0} listusername:{1} fromuser:{2} ", i, lstviewOnlineUser.Items[i].SubItems[1].Text, splitstring[2]));
// if (lstviewOnlineUser.Items[i].SubItems[1].Text == splitstring[2])
// {
// Console.WriteLine(splitstring[2] + "对话框未打开，自动打开接收文件");
// showDialogChatToReceiveFile(lstviewOnlineUser.Items[i]);//打开对话框接收文件
// //break;
// }
//}
}
else
{
Console.WriteLine("chatfromlist.count>0;");
Console.WriteLine(string.Format("chatfromlist.count is {0};", chatFormList.Count));
int cursor = 0;
foreach (ChatFormcs item in chatFormList)
{
if (item.Text == talkInfo[2])
{
Console.WriteLine(talkInfo[2] + "对话框已经打开，接收文件");
item.ShowTalkInfo(talkInfo[2], talkInfo[1], talkInfo[3]);
break;
}
if (cursor == chatFormList.Count - 1)
{
foreach (ListViewItem listViewItem in lstviewOnlineUser.Items)
{
Console.WriteLine(string.Format("chatFormList.Count == 0 listusername:{0} fromuser:{1} ", listViewItem.SubItems[1].Text, talkInfo[2]));
if (listViewItem.SubItems[1].Text == talkInfo[2])
{
Console.WriteLine(talkInfo[2] + "对话框未打开，自动打开接收文件");
showDialogChatToReceiveFile(listViewItem);//打开对话框接收文件
break;
}
}
//for (int j = 0; j < lstviewOnlineUser.Items.Count; j++)
//{
// Console.WriteLine(string.Format("chatFormList.Count == 0 循环{0} listusername:{1} fromuser:{2} ", j, lstviewOnlineUser.Items[j].SubItems[1].Text, splitstring[2]));
// if (lstviewOnlineUser.Items[j].SubItems[1].Text == splitstring[2])
// {
// Console.WriteLine(splitstring[2] + "对话框未打开，自动打开接收文件");
// showDialogChatToReceiveFile(lstviewOnlineUser.Items[j]);//打开对话框接收文件
// break;
// }
//}
}
cursor++;
}
for (int i = 0; i < chatFormList.Count; i++)
{
//if (chatFormList[i].Text == splitstring[2])
//{
// Console.WriteLine(splitstring[2] + "对话框已经打开，接收文件");
// chatFormList[i].ShowTalkInfo(splitstring[2], splitstring[1], splitstring[3]);
// break;
//}
//if (i == chatFormList.Count - 1)
//{
// for (int j = 0; j < lstviewOnlineUser.Items.Count; j++)
// {
// Console.WriteLine(string.Format("chatFormList.Count == 0 循环{0} listusername:{1} fromuser:{2} ", j, lstviewOnlineUser.Items[j].SubItems[1].Text, splitstring[2]));
// if (lstviewOnlineUser.Items[j].SubItems[1].Text == splitstring[2])
// {
// Console.WriteLine(splitstring[2] + "对话框未打开，自动打开接收文件");
// showDialogChatToReceiveFile(lstviewOnlineUser.Items[j]);//打开对话框接收文件
// break;
// }
// }
//}
}
}
//send flag and begin to receive the file;
Console.WriteLine("file sender's updPort is " + talkInfo[4]);
UdpClient fileConfirmClient = new UdpClient();
IPEndPoint iPEndPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), int.Parse(talkInfo[4]));
byte[] sendbytes = Encoding.Unicode.GetBytes("accept");
fileConfirmClient.Send(sendbytes, sendbytes.Length, iPEndPoint);
fileConfirmClient.Close();
}
}
private void dateTimePicker_ValueChanged(object sender, EventArgs e)
{
DateFilter = GetFileDateFilter();
}
private void checkYear_CheckedChanged(object sender, EventArgs e)
{
ShowAfter();
DateFilter = GetFileDateFilter();
}
