1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
#include "misc.h"
#include <fstream>
#include <wx/msgdlg.h>
#include "resources.h"
void exchangeEscapeChars(wxString& data)
{
data.Replace(wxT("\\\\"), wxT("\\"));
data.Replace(wxT("\\n"), wxT("\n"));
data.Replace(wxT("\\t"), wxT("\t"));
data.Replace(wxT("\"\""), wxT(""""));
data.Replace(wxT("\\\""), wxT("\""));
}
CustomLocale::CustomLocale() :
wxLocale(),
currentLanguage(wxLANGUAGE_ENGLISH)
{}
CustomLocale::~CustomLocale()
{
//write language to file
ofstream output("lang.dat");
if (output)
{
output<<currentLanguage<<char(0);
output.close();
}
else
wxMessageBox(wxString(_("Could not write to ")) + wxT("\"") + wxT("lang.dat") + wxT("\""), _("An exception occured!"), wxOK | wxICON_ERROR);
}
void CustomLocale::loadLanguageFromCfg() //retrieve language from config file: do NOT put into constructor since working directory has not been set!
{
int language = wxLANGUAGE_ENGLISH;
//try to load language setting from file
ifstream input("lang.dat");
if (input)
{
char buffer[20];
input.getline(buffer, 20, char(0));
language = atoi(buffer);
input.close();
}
else
language = wxLocale::GetSystemLanguage();
wxLocale::Init(language, wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
loadLanguageFile(language);
}
void CustomLocale::loadLanguageFile(int language)
{
currentLanguage = language;
string languageFile;
switch (language)
{
case wxLANGUAGE_GERMAN:
languageFile = "german.lng";
break;
default:
languageFile = string();
currentLanguage = wxLANGUAGE_ENGLISH;
}
//load language file into buffer
translationDB.clear();
const int bufferSize = 100000;
char temp[bufferSize];
if (!languageFile.empty())
{
ifstream langFile(languageFile.c_str(), ios::binary);
if (langFile)
{
int rowNumber = 0;
TranslationLine currentLine;
//Delimiter:
//----------
//Linux: 0xa
//Mac: 0xd
//Win: 0xd 0xa
while (langFile.getline(temp, bufferSize, 0xd)) //specify delimiter explicitely
{
langFile.get(); //discard the 0xa character
//wxString formattedString(temp, *wxConvUTF8, bufferSize); //convert UTF8 input to Unicode
wxString formattedString(temp);
exchangeEscapeChars(formattedString);
if (rowNumber%2 == 0)
currentLine.original = formattedString;
else
{
currentLine.translation = formattedString;
translationDB.insert(currentLine);
}
++rowNumber;
}
langFile.close();
}
else
wxMessageBox(wxString(_("Could not read language file ")) + wxT("\"") + wxString(languageFile.c_str(), wxConvUTF8) + wxT("\""), _("An exception occured!"), wxOK | wxICON_ERROR);
}
else
; //if languageFile is empty language is defaulted to english
//these global variables need to be redetermined on language selection
GlobalResources::decimalPoint = _(".");
GlobalResources::thousandsSeparator = _(",");
}
const wxChar* CustomLocale::GetString(const wxChar* szOrigString, const wxChar* szDomain) const
{
TranslationLine currentLine;
currentLine.original = szOrigString;
//look for translation in buffer table
Translation::iterator i;
if ((i = translationDB.find(currentLine)) != translationDB.end())
return (i->translation.c_str());
//fallback
return (szOrigString);
}
|
