/* ЗАМЕТКА РАЗРАБОТЧИКУ
*
* В данном файле размещаются функции для работы с файлами и каталогами.
* Данные функции запускаются в отдельных от UI потоках из кода
* файла MainWindow-Actions.cs . Всякая функция должна иметь
* префикс Do, означающий её чисто утилитарную принадлежность.
*
* Вызовы пользовательского интерфейса (XWT) должны производиться через
* вызывалку Xwt.Application.Invoke(new Action(delegate { КОД ПОТОКА ИНТЕРФЕЙСА }));
* в противном случае возможны глюки (вылеты WPF, зависания и лаги GTK).
*/
/// <summary>
/// Background file copier
/// </summary>
/// <param name='SourceFS'>Source FS.</param>
/// <param name='DestinationFS'>Destination FS.</param>
/// <param name='SourceURL'>Source file URL.</param>
/// <param name='DestinationURL'>Destination URL.</param>
/// <param name="Feedback">If at the destination URL a file exists, a ReplaceQuestionDialog will be shown. This argument is the place, where the user's last choose should be saved.</param>
/// <param name="AC">The instance of AsyncCopy class that should be used to copy the file.</param>
private void DoCp(IFSPlugin SourceFS, IFSPlugin DestinationFS, string SourceURL, string DestinationURL, ref ReplaceQuestionDialog.ClickedButton Feedback, AsyncCopy AC)
{
if (SourceURL == DestinationURL){
string itself = Localizator.GetString("CantCopySelf");
string toshow = string.Format(Localizator.GetString("CantCopy"), SourceFS.GetMetadata(SourceURL).Name, itself);
Xwt.Application.Invoke(delegate { Xwt.MessageDialog.ShowWarning(toshow); });
//calling the msgbox in non-main threads causes some UI bugs, so push this call into main thread
return;
}
if(DestinationFS.FileExists (DestinationURL)){
ReplaceQuestionDialog rpd = null;
bool ready = false;
Xwt.Application.Invoke(
delegate
{
rpd = new ReplaceQuestionDialog(DestinationFS.GetMetadata(DestinationURL).Name);
ready = true;
}
);
do { } while (!ready);
ready = false;
var ClickedButton = ReplaceQuestionDialog.ClickedButton.Skip;
Xwt.Application.Invoke(
delegate
{
ClickedButton = rpd.Run();
ready = true;
}
);
do {} while (!ready);
switch(ClickedButton){
case ReplaceQuestionDialog.ClickedButton.Replace:
//continue execution
Feedback = rpd.ChoosedButton;
break;
case ReplaceQuestionDialog.ClickedButton.ReplaceAll:
//continue execution
Feedback = rpd.ChoosedButton;
break;
case ReplaceQuestionDialog.ClickedButton.ReplaceOld:
Feedback = rpd.ChoosedButton;
if(SourceFS.GetMetadata(SourceURL).LastWriteTimeUTC < DestinationFS.GetMetadata(DestinationURL).LastWriteTimeUTC)
{/*continue execution*/}
else
{return;}
break;
case ReplaceQuestionDialog.ClickedButton.Skip:
Feedback = rpd.ChoosedButton;
return;
case ReplaceQuestionDialog.ClickedButton.SkipAll:
Feedback = rpd.ChoosedButton;
return;
}
}
try
{
pluginner.FSEntryMetadata md = SourceFS.GetMetadata(SourceURL);
md.FullURL = DestinationURL;
System.IO.Stream SrcStream = SourceFS.GetFileStream(SourceURL);
DestinationFS.Touch(md);
System.IO.Stream DestStream = DestinationFS.GetFileStream(DestinationURL,true);
if(AC == null) AC = new AsyncCopy();
bool CpComplete = false;
AC.OnComplete += result => CpComplete = true;
//warning: due to some GTK# bugs, buffer sizes lesser than 128KB may cause
//an StackOverflowException at UI update code
AC.CopyFile(SrcStream, DestStream, 131072); //buffer is 1/8 megabyte or 128KB
do{ } while(!CpComplete); //don't stop this thread until the copy is finished
}
catch (Exception ex)
{
if (ex.GetType() != typeof(System.Threading.ThreadAbortException)) {
Utilities.ShowMessage(string.Format(Localizator.GetString("CantCopy"),SourceURL,ex.Message));
Console.WriteLine("Cannot copy because of {0}({1}) at \n{2}.", ex.GetType(), ex.Message, ex.StackTrace);
}
}
}
/// <summary>
/// Background file copier
/// </summary>
/// <param name='SourceFS'>
/// Source FS.
/// </param>
/// <param name='DestinationFS'>
/// Destination FS.
/// </param>
/// <param name='SourceFile'>
/// Source file.
/// </param>
/// <param name='DestinationURL'>
/// Destination URL.
/// </param>
/// <param name='SkipAll'>
/// The referenced variable will be set to TRUE if user chooses "Skip all"
/// </param>
/// <param name='ReplaceAll'>
/// The referenced variable will be set to TRUE if user chooses "Replace all"
/// </param>
void DoCp(pluginner.IFSPlugin SourceFS, pluginner.IFSPlugin DestinationFS, pluginner.File SourceFile, string DestinationURL, ref ReplaceQuestionDialog.ClickedButton Feedback, AsyncCopy AC)
{
pluginner.File NewFile = SourceFile;
NewFile.Path = DestinationURL;
if (SourceFile.Path == DestinationURL)
{
string itself = Locale.GetString("CantCopySelf");
string toshow = string.Format(Locale.GetString("CantCopy"), SourceFile.Name, itself);
Xwt.Application.Invoke(new Action(delegate { Xwt.MessageDialog.ShowWarning(toshow); }));
//calling the msgbox in non-main threads causes some UI bugs, so push this call into main thread
return;
}
if (DestinationFS.FileExists(DestinationURL))
{
ReplaceQuestionDialog rpd = null;
bool ready = false;
Xwt.Application.Invoke(
new Action(
delegate
{
rpd = new ReplaceQuestionDialog(DestinationFS.GetFile(DestinationURL, new double()).Name);
ready = true;
}
)
);
do
{
} while (!ready);
ready = false;
var ClickedButton = ReplaceQuestionDialog.ClickedButton.Skip;
Xwt.Application.Invoke(
new Action(
delegate
{
ClickedButton = rpd.Run();
ready = true;
}
)
);
do
{
} while (!ready);
switch (ClickedButton)
{
case ReplaceQuestionDialog.ClickedButton.Replace:
//continue execution
Feedback = rpd.ChoosedButton;
break;
case ReplaceQuestionDialog.ClickedButton.ReplaceAll:
//continue execution
Feedback = rpd.ChoosedButton;
break;
case ReplaceQuestionDialog.ClickedButton.ReplaceOld:
Feedback = rpd.ChoosedButton;
if (SourceFS.GetMetadata(SourceFile.Path).LastWriteTimeUTC < DestinationFS.GetFile(DestinationURL, new double()).Metadata.LastWriteTimeUTC)
{ /*continue execution*/
}
else
{
return;
}
break;
case ReplaceQuestionDialog.ClickedButton.Skip:
Feedback = rpd.ChoosedButton;
return;
case ReplaceQuestionDialog.ClickedButton.SkipAll:
Feedback = rpd.ChoosedButton;
return;
}
}
try
{
pluginner.FSEntryMetadata md = SourceFS.GetMetadata(SourceFile.Path);
md.FullURL = NewFile.Path;
System.IO.Stream SrcStream = SourceFS.GetStream(SourceFile.Path);
DestinationFS.Touch(md);
System.IO.Stream DestStream = DestinationFS.GetStream(DestinationURL, true);
if (AC == null)
{
AC = new AsyncCopy();
}
bool CpComplete = false;
AC.OnComplete += (rezultat) => { CpComplete = true; };
//warning: due to some GTK# bugs, buffer sizes lesser than 128KB may cause
//an StackOverflowException at UI update code
AC.CopyFile(SrcStream, DestStream, 131072); //buffer is 1/8 megabyte
do /*nothing*/ } {
while(!CpComplete); //don't stop this thread until the copy is finished
return;
}