private void openCodeFile_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.CheckFileExists = true;
ofd.Filter = "All Files|*.*";
if (cppRadioButton.Checked)
{
ofd.Filter = "CPP Files|*.cpp|Header Files|*.h*|All Files|*.*";
}
if (ansiCradioButton.Checked)
{
ofd.Filter = "C Files|*.c|Header Files|*.h*|All Files|*.*";
}
if (JavaRadioButton.Checked)
{
ofd.Filter = "Java Files|*.java|All Files|*.*";
}
if (PascalRadioButton.Checked)
{
ofd.Filter = "Pascal Files|*.pascal|All Files|*.*";
}
if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
if (LocalDirectory.GetFileSize(ofd.FileName) < 1024 * 512)
{
codeTextBox.OpenFile(ofd.FileName);
}
else
{
MessageBox.Show("File is too big. Please select a valid file");
}
}
}
/// <summary>
/// Parse HTML file and find all local contents to download.
/// </summary>
/// <param name="pnum">Problem number</param>
/// <param name="replace">True, if you want to replace old files.</param>
/// <returns>List of files to download</returns>
public static List <DownloadTask> ProcessHtmlContent(long pnum, bool replace)
{
try
{
string external = string.Format("http://uva.onlinejudge.org/external/{0}/", pnum / 100);
string filepath = LocalDirectory.GetProblemHtml(pnum);
if (!File.Exists(filepath))
{
return(new List <DownloadTask>());
}
List <string> urls = new List <string>();
List <DownloadTask> tasks = new List <DownloadTask>();
HtmlAgilityPack.HtmlDocument htdoc = new HtmlAgilityPack.HtmlDocument();
htdoc.Load(filepath);
DFS(htdoc.DocumentNode, urls);
htdoc.Save(filepath);
foreach (string str in urls)
{
string url = str.StartsWith("./") ? str.Remove(0, 2) : str;
while (url.StartsWith("/"))
{
url = url.Remove(0, 1);
}
string file = url.Replace('/', Path.DirectorySeparatorChar);
file = LocalDirectory.GetProblemContent(pnum, file);
if (replace || LocalDirectory.GetFileSize(file) < 10)
{
tasks.Add(new DownloadTask(external + url, file, pnum));
}
}
urls.Clear();
return(tasks);
}
catch (Exception ex)
{
Logger.Add(ex.Message, "Internet");
return(new List <DownloadTask>());
}
}
public static bool UpdateAll()
{
const double PROBLEM_ALIVE_DAY = 1;
const double USER_SUB_ALIVE_DAY = 0.5;
bool result = true;
//if database file is too old redownload
string file = LocalDirectory.GetProblemInfoFile();
if (LocalDirectory.GetFileSize(file) < 100 ||
(new TimeSpan(
DateTime.Now.Ticks - new FileInfo(file).LastWriteTime.Ticks
).TotalDays > PROBLEM_ALIVE_DAY))
{
UVA_Arena.Internet.Downloader.DownloadProblemDatabase();
result = false;
}
//update user submissions if not available
if (LocalDatabase.ContainsUser(RegistryAccess.DefaultUsername))
{
file = LocalDirectory.GetUserSubPath(RegistryAccess.DefaultUsername);
if (LocalDirectory.GetFileSize(file) < 50 ||
(new TimeSpan(
DateTime.Now.Ticks - new FileInfo(file).LastWriteTime.Ticks
).TotalDays > USER_SUB_ALIVE_DAY))
{
long sid = 0;
if (LocalDatabase.DefaultUser != null)
{
sid = LocalDatabase.DefaultUser.LastSID;
}
UVA_Arena.Internet.Downloader.DownloadDefaultUserInfo(sid);
}
}
//download category index if too old
UVA_Arena.Internet.Downloader.DownloadCategoryIndex();
return(result);
}
private string DownloadFile(string url, string file, int minSiz, int tryCount = 2)
{
try
{
string tmp = Path.GetTempFileName();
webClient.DownloadFile(url, tmp);
LocalDirectory.CreateFile(file);
if (LocalDirectory.GetFileSize(tmp) >= minSiz)
{
File.Copy(tmp, file, true);
File.Delete(tmp);
return("Success.");
}
else
{
File.Delete(tmp);
return("File doesn't have desired length.");
}
}
catch (Exception ex)
{
if (tryCount > 0)
{
System.Threading.Thread.Sleep(300);
return(DownloadFile(url, file, minSiz, tryCount - 1));
}
//if couldn't be downloaded
if (File.Exists(file) && LocalDirectory.GetFileSize(file) < minSiz)
{
File.Delete(file);
}
Logger.Add(ex.Message, this.Name);
return("Download Failed.");
}
}
private void DelayInitialize(object background)
{
//run in background
if ((bool)background)
{
this.Cursor = Cursors.AppStarting;
System.Threading.ThreadPool.QueueUserWorkItem(DelayInitialize, false);
return;
}
//load problem database
LocalDatabase.RunLoadAsync(false);
//load controls
bool _initialized = false;
this.BeginInvoke((MethodInvoker) delegate
{
//add controls
AddControls();
//add buttons to the top right beside control buttons
//AddActiveButtons();
_initialized = true;
this.Cursor = Cursors.Default;
Logger.Add("Initialized all controls", "Main Form");
loadingPanel.Visible = false;
});
//update problem database if not available
if (LocalDirectory.GetFileSize(LocalDirectory.GetProblemInfoFile()) < 100)
{
while (!_initialized)
{
System.Threading.Thread.Sleep(1000);
}
System.Threading.Thread.Sleep(2000);
this.BeginInvoke((MethodInvoker) delegate
{
UVA_Arena.Internet.Downloader.DownloadProblemDatabase();
});
}
//update user submissions if not available
if (LocalDatabase.ContainsUser(RegistryAccess.DefaultUsername))
{
string file = LocalDirectory.GetUserSubPath(RegistryAccess.DefaultUsername);
if (LocalDirectory.GetFileSize(file) < 50)
{
System.Threading.Thread.Sleep(1000);
this.BeginInvoke((MethodInvoker) delegate
{
Interactivity.userstat.DownloadUserSubs(RegistryAccess.DefaultUsername);
});
}
}
//check for updates
System.Threading.Thread.Sleep(10000);
UpdateCheck.CheckForUpdate();
}
