1 files changed, 236 insertions, 0 deletions
diff --git a/ui/util.cpp b/ui/util.cpp
new file mode 100644
index 00000000..9abdf6e8
--- /dev/null
+++ b/ui/util.cpp
@@ -0,0 +1,236 @@
+#include "util.h"
+#include <wx/scrolwin.h>
+#include <wx/textctrl.h>
+#include <wx/combobox.h>
+#include <wx/filepicker.h>
+#include "../shared/globalFunctions.h"
+#include "../shared/localization.h"
+#include "../shared/fileHandling.h"
+#include "../shared/stringConv.h"
+#include <stdexcept>
+#include "../shared/systemFunctions.h"
+
+#ifdef FFS_WIN
+#include <wx/msw/wrapwin.h> //includes "windows.h"
+#endif
+
+
+wxString FreeFileSync::formatFilesizeToShortString(const wxLongLong& filesize)
+{
+    return FreeFileSync::formatFilesizeToShortString(filesize.ToDouble());
+}
+
+
+wxString FreeFileSync::formatFilesizeToShortString(const wxULongLong& filesize)
+{
+    return FreeFileSync::formatFilesizeToShortString(filesize.ToDouble());
+};
+
+
+wxString FreeFileSync::formatFilesizeToShortString(const double filesize)
+{
+    if (filesize < 0)
+        return _("Error");
+
+    if (filesize <= 999)
+        return wxString::Format(wxT("%i"), static_cast<int>(filesize)) + _(" Byte"); //no decimal places in case of bytes
+
+    double nrOfBytes = filesize;
+
+    nrOfBytes /= 1024;
+    wxString unit = _(" kB");
+    if (nrOfBytes > 999)
+    {
+        nrOfBytes /= 1024;
+        unit = _(" MB");
+        if (nrOfBytes > 999)
+        {
+            nrOfBytes /= 1024;
+            unit = _(" GB");
+            if (nrOfBytes > 999)
+            {
+                nrOfBytes /= 1024;
+                unit = _(" TB");
+                if (nrOfBytes > 999)
+                {
+                    nrOfBytes /= 1024;
+                    unit = _(" PB");
+                }
+            }
+        }
+    }
+
+    //print just three significant digits: 0,01 | 0,11 | 1,11 | 11,1 | 111
+
+    const unsigned int leadDigitCount = globalFunctions::getDigitCount(static_cast<unsigned int>(nrOfBytes)); //number of digits before decimal point
+    if (leadDigitCount == 0 || leadDigitCount > 3)
+        return _("Error");
+
+    if (leadDigitCount == 3)
+        return wxString::Format(wxT("%i"), static_cast<int>(nrOfBytes)) + unit;
+    else if (leadDigitCount == 2)
+    {
+        wxString output = wxString::Format(wxT("%i"), static_cast<int>(nrOfBytes * 10));
+        output.insert(leadDigitCount, FreeFileSync::DECIMAL_POINT);
+        return output + unit;
+    }
+    else //leadDigitCount == 1
+    {
+        wxString output = wxString::Format(wxT("%03i"), static_cast<int>(nrOfBytes * 100));
+        output.insert(leadDigitCount, FreeFileSync::DECIMAL_POINT);
+        return output + unit;
+    }
+
+    //return wxString::Format(wxT("%.*f"), 3 - leadDigitCount, nrOfBytes) + unit;
+}
+
+
+wxString FreeFileSync::includeNumberSeparator(const wxString& number)
+{
+    wxString output(number);
+    for (int i = output.size() - 3; i > 0; i -= 3)
+        output.insert(i,  FreeFileSync::THOUSANDS_SEPARATOR);
+
+    return output;
+}
+
+
+template <class T>
+void setDirectoryNameImpl(const wxString& dirname, T* txtCtrl, wxDirPickerCtrl* dirPicker)
+{
+    using namespace FreeFileSync;
+
+    txtCtrl->SetValue(dirname);
+    const Zstring leftDirFormatted = FreeFileSync::getFormattedDirectoryName(wxToZ(dirname));
+    if (FreeFileSync::dirExists(leftDirFormatted))
+        dirPicker->SetPath(zToWx(leftDirFormatted));
+}
+
+
+void FreeFileSync::setDirectoryName(const wxString& dirname, wxTextCtrl* txtCtrl, wxDirPickerCtrl* dirPicker)
+{
+    setDirectoryNameImpl(dirname, txtCtrl, dirPicker);
+}
+
+
+void FreeFileSync::setDirectoryName(const wxString& dirname, wxComboBox* txtCtrl, wxDirPickerCtrl* dirPicker)
+{
+    txtCtrl->SetSelection(wxNOT_FOUND);
+    setDirectoryNameImpl(dirname, txtCtrl, dirPicker);
+}
+
+
+void FreeFileSync::scrollToBottom(wxScrolledWindow* scrWindow)
+{
+    int height = 0;
+    scrWindow->GetClientSize(NULL, &height);
+
+    int pixelPerLine = 0;
+    scrWindow->GetScrollPixelsPerUnit(NULL, &pixelPerLine);
+
+    if (height > 0 && pixelPerLine > 0)
+    {
+        const int scrollLinesTotal    = scrWindow->GetScrollLines(wxVERTICAL);
+        const int scrollLinesOnScreen = height / pixelPerLine;
+        const int scrollPosBottom     = scrollLinesTotal - scrollLinesOnScreen;
+
+        if (0 <= scrollPosBottom)
+            scrWindow->Scroll(0, scrollPosBottom);
+    }
+}
+
+
+
+
+
+inline
+void writeTwoDigitNumber(unsigned int number, wxString& string)
+{
+    assert (number < 100);
+
+    string += '0' + number / 10;
+    string += '0' + number % 10;
+}
+
+
+inline
+void writeFourDigitNumber(unsigned int number, wxString& string)
+{
+    assert (number < 10000);
+
+    string += '0' + number / 1000;
+    number %= 1000;
+    string += '0' + number / 100;
+    number %= 100;
+    string += '0' + number / 10;
+    number %= 10;
+    string += '0' + number;
+}
+
+
+wxString FreeFileSync::utcTimeToLocalString(const wxLongLong& utcTime, const Zstring& filename)
+{
+#ifdef FFS_WIN
+    //convert ansi C time to FILETIME
+    wxLongLong fileTimeLong(utcTime);
+
+    fileTimeLong += wxLongLong(2, 3054539008UL); //timeshift between ansi C time and FILETIME in seconds == 11644473600s
+    fileTimeLong *= 10000000;
+
+    FILETIME lastWriteTimeUtc;
+    lastWriteTimeUtc.dwLowDateTime  = fileTimeLong.GetLo();             //GetLo() returns unsigned
+    lastWriteTimeUtc.dwHighDateTime = unsigned(fileTimeLong.GetHi());   //GetHi() returns signed
+
+
+    FILETIME localFileTime;
+    if (::FileTimeToLocalFileTime( //convert to local time
+                &lastWriteTimeUtc, //pointer to UTC file time to convert
+                &localFileTime 	   //pointer to converted file time
+            ) == 0)
+        throw std::runtime_error(std::string((wxString(_("Conversion error:")) + wxT(" FILETIME -> local FILETIME: ") +
+                                              wxT("(") + wxULongLong(lastWriteTimeUtc.dwHighDateTime, lastWriteTimeUtc.dwLowDateTime).ToString() + wxT(") ") +
+                                              filename.c_str() + wxT("\n\n") + getLastErrorFormatted()).ToAscii()));
+
+    if (localFileTime.dwHighDateTime > 0x7fffffff)
+        return _("Error");  //this actually CAN happen if UTC time is just below this border and ::FileTimeToLocalFileTime() adds 2 hours due to DST or whatever!
+    //Testcase (UTC): dateHigh = 2147483647 (=0x7fffffff) -> year 30000
+    //                dateLow  = 4294967295
+
+    SYSTEMTIME time;
+    if (::FileTimeToSystemTime(
+                &localFileTime, //pointer to file time to convert
+                &time 	        //pointer to structure to receive system time
+            ) == 0)
+        throw std::runtime_error(std::string((wxString(_("Conversion error:")) + wxT(" local FILETIME -> SYSTEMTIME: ") +
+                                              wxT("(") + wxULongLong(localFileTime.dwHighDateTime, localFileTime.dwLowDateTime).ToString() + wxT(") ") +
+                                              filename.c_str()  + wxT("\n\n") + getLastErrorFormatted()).ToAscii()));
+
+    //assemble time string (performance optimized)
+    wxString formattedTime;
+    formattedTime.reserve(20);
+
+    writeFourDigitNumber(time.wYear, formattedTime);
+    formattedTime += wxChar('-');
+    writeTwoDigitNumber(time.wMonth, formattedTime);
+    formattedTime += wxChar('-');
+    writeTwoDigitNumber(time.wDay, formattedTime);
+    formattedTime += wxChar(' ');
+    formattedTime += wxChar(' ');
+    writeTwoDigitNumber(time.wHour, formattedTime);
+    formattedTime += wxChar(':');
+    writeTwoDigitNumber(time.wMinute, formattedTime);
+    formattedTime += wxChar(':');
+    writeTwoDigitNumber(time.wSecond, formattedTime);
+
+    return formattedTime;
+
+#elif defined FFS_LINUX
+    tm* timeinfo;
+    const time_t fileTime = utcTime.ToLong();
+    timeinfo = localtime(&fileTime); //convert to local time
+    char buffer[50];
+    strftime(buffer, 50, "%Y-%m-%d  %H:%M:%S", timeinfo);
+
+    return zToWx(buffer);
+#endif
+}