1 files changed, 198 insertions, 0 deletions
diff --git a/library/localization.cpp b/library/localization.cpp
new file mode 100644
index 00000000..328f37be
--- /dev/null
+++ b/library/localization.cpp
@@ -0,0 +1,198 @@
+#include "localization.h"
+#include <wx/msgdlg.h>
+#include "resources.h"
+#include "globalFunctions.h"
+#include <fstream>
+#include <set>
+
+//_("Browse") <- dummy string for wxDirPickerCtrl to be recognized by automatic text extraction!
+
+
+struct TranslationLine
+{
+    wxString original;
+    wxString translation;
+
+    bool operator<(const TranslationLine& b) const
+    {
+        return (original < b.original);
+    }
+};
+
+class Translation : public std::set<TranslationLine> {};
+
+
+CustomLocale::CustomLocale() :
+        wxLocale(),
+        currentLanguage(wxLANGUAGE_ENGLISH)
+{
+    translationDB = new Translation;
+}
+
+
+CustomLocale::~CustomLocale()
+{
+    delete translationDB;
+}
+
+
+inline
+void exchangeEscapeChars(wxString& data)
+{
+    wxString output;
+
+    const wxChar* input = data.c_str();
+
+    wxChar value;
+    while ((value = *input) != wxChar(0))
+    {
+        //read backslash
+        if (value == wxChar('\\'))
+        {
+            //read next character
+            ++input;
+            if ((value = *input) == wxChar(0))
+                break;
+
+            switch (value)
+            {
+            case wxChar('\\'):
+                output += wxChar('\\');
+                break;
+            case wxChar('n'):
+                output += wxChar('\n');
+                break;
+            case wxChar('t'):
+                output += wxChar('\t');
+                break;
+            case wxChar('\"'):
+                output += wxChar('\"');
+                break;
+            default:
+                output += value;
+            }
+        }
+        else
+            output += value;
+
+        ++input;
+    }
+    data = output;
+}
+
+
+void CustomLocale::setLanguage(const int language)
+{
+    currentLanguage = language;
+
+    std::string languageFile;
+    switch (language)
+    {
+    case wxLANGUAGE_CHINESE_SIMPLIFIED:
+        languageFile = "Languages/chinese_simple.lng";
+        break;
+    case wxLANGUAGE_DUTCH:
+        languageFile = "Languages/dutch.lng";
+        break;
+    case wxLANGUAGE_FRENCH:
+        languageFile = "Languages/french.lng";
+        break;
+    case wxLANGUAGE_GERMAN:
+        languageFile = "Languages/german.lng";
+        break;
+    case wxLANGUAGE_HUNGARIAN:
+        languageFile = "Languages/hungarian.lng";
+        break;
+    case wxLANGUAGE_ITALIAN:
+        languageFile = "Languages/italian.lng";
+        break;
+    case wxLANGUAGE_JAPANESE:
+        languageFile = "Languages/japanese.lng";
+        break;
+    case wxLANGUAGE_POLISH:
+        languageFile = "Languages/polish.lng";
+        break;
+    case wxLANGUAGE_PORTUGUESE:
+        languageFile = "Languages/portuguese.lng";
+        break;
+    case wxLANGUAGE_PORTUGUESE_BRAZILIAN:
+        languageFile = "Languages/portuguese_br.lng";
+        break;
+    case wxLANGUAGE_SLOVENIAN:
+        languageFile = "Languages/slovenian.lng";
+        break;
+    case wxLANGUAGE_SPANISH:
+        languageFile = "Languages/spanish.lng";
+        break;
+    default:
+        languageFile.clear();
+        currentLanguage = wxLANGUAGE_ENGLISH;
+    }
+
+    static bool initialized = false; //wxLocale is a global too!
+    if (!initialized)
+    {
+        initialized = true;
+        wxLocale::Init(currentLanguage, wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
+    }
+
+    //load language file into buffer
+    translationDB->clear();
+    const int bufferSize = 100000;
+    char temp[bufferSize];
+    if (!languageFile.empty())
+    {
+        std::ifstream langFile(languageFile.c_str(), std::ios::binary);
+        if (langFile)
+        {
+            TranslationLine currentLine;
+
+            //Delimiter:
+            //----------
+            //Linux: 0xa        \n
+            //Mac:   0xd        \r
+            //Win:   0xd 0xa    \r\n    <- language files are in Windows format
+            for (int rowNumber = 0; langFile.getline(temp, bufferSize, 0xd); ++rowNumber) //specify delimiter explicitly
+            {
+                langFile.get(); //discard the 0xa character
+
+                wxString formattedString = wxString::FromUTF8(temp);
+                //wxString formattedString = wxString::From8BitData(temp);
+
+                exchangeEscapeChars(formattedString);
+
+                if (rowNumber%2 == 0)
+                    currentLine.original = formattedString;
+                else
+                {
+                    currentLine.translation = formattedString;
+                    translationDB->insert(currentLine);
+                }
+            }
+            langFile.close();
+        }
+        else
+            wxMessageBox(wxString(_("Error reading file:")) + wxT(" \"") + wxString(languageFile.c_str(), wxConvUTF8) + wxT("\""), _("An exception occured!"), wxOK | wxICON_ERROR);
+    }
+    else
+        ;   //if languageFile is empty texts will be english per default
+
+    //these global variables need to be redetermined on language selection
+    GlobalResources::DECIMAL_POINT = _(".");
+    GlobalResources::THOUSANDS_SEPARATOR = _(",");
+}
+
+
+const wxChar* CustomLocale::GetString(const wxChar* szOrigString, const wxChar* szDomain) const
+{
+    TranslationLine currentLine;
+    currentLine.original = szOrigString;
+
+    //look for translation in buffer table
+    const Translation::iterator i = translationDB->find(currentLine);
+    if (i != translationDB->end())
+        return i->translation.c_str();
+
+    //fallback
+    return szOrigString;
+}