From b5c6bf8260c0f19293151a71a6155e29b9a55a3a Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Sat, 19 Sep 2015 22:58:32 +0300
Subject: [PATCH] Command option for setting a locale.

--HG--
branch : develop
---
 dist/debian/valentina.1                       |   7 +-
 .../configpages/tapeconfigurationpage.cpp     |   2 +-
 src/app/tape/mapplication.cpp                 |  78 +-------
 src/app/tape/mapplication.h                   |  14 +-
 src/app/valentina/core/vapplication.cpp       |  38 ++--
 src/app/valentina/core/vapplication.h         |   7 +-
 src/app/valentina/core/vcmdexport.cpp         | 170 +++++++++++-------
 src/app/valentina/core/vcmdexport.h           |   5 +-
 src/libs/vmisc/def.cpp                        |  19 ++
 src/libs/vmisc/def.h                          |   2 +
 src/libs/vmisc/vabstractapplication.cpp       |  75 ++++++++
 src/libs/vmisc/vabstractapplication.h         |  14 ++
 .../ValentinaTest/tst_measurementregexp.cpp   |   3 +-
 13 files changed, 249 insertions(+), 185 deletions(-)

diff --git a/dist/debian/valentina.1 b/dist/debian/valentina.1
index 23544a053..b714e22aa 100644
--- a/dist/debian/valentina.1
+++ b/dist/debian/valentina.1
@@ -31,7 +31,7 @@ a unique pattern making tool.
 
   -p, --pageformat <Template number>        Number corresponding to page
                                             template (default = 0, export mode):
-                                            	A0 = 0
+                                            A0 = 0
                                             A1 = 1
                                             A2 = 2
                                             A3 = 3
@@ -73,6 +73,11 @@ a unique pattern making tool.
                                             Three groups: big, middle, small = 0
                                             Two groups: big, small = 1
                                             Descending area = 2
+  -L, --locale <Locale>                     Sets language locale (export mode).
+		                                    Default is system locale. Supported
+		                                    locales: ru_RU, uk_UA, de_DE, cs_CZ,
+		                                    he_IL, fr_FR, it_IT, nl_NL, id_ID,
+		                                    es_ES, fi_FI, en_US
 
 
 Arguments:
diff --git a/src/app/tape/dialogs/configpages/tapeconfigurationpage.cpp b/src/app/tape/dialogs/configpages/tapeconfigurationpage.cpp
index d35c14558..1ba7b6a70 100644
--- a/src/app/tape/dialogs/configpages/tapeconfigurationpage.cpp
+++ b/src/app/tape/dialogs/configpages/tapeconfigurationpage.cpp
@@ -88,7 +88,7 @@ void TapeConfigurationPage::Apply()
         qApp->TapeSettings()->SetPMSystemCode(code);
         systemChanged = false;
 
-        qApp->LoadTranslation();
+        qApp->LoadTranslation(locale);
 
         // Part about measurments will not be updated automatically
         qApp->RetranslateTables();
diff --git a/src/app/tape/mapplication.cpp b/src/app/tape/mapplication.cpp
index 87b529e9d..f249fcfcb 100644
--- a/src/app/tape/mapplication.cpp
+++ b/src/app/tape/mapplication.cpp
@@ -32,7 +32,6 @@
 
 #include <QDir>
 #include <QFileOpenEvent>
-#include <QLibraryInfo>
 #include <QLocalSocket>
 #include <QResource>
 #include <QTranslator>
@@ -138,11 +137,7 @@ MApplication::MApplication(int &argc, char **argv)
       mainWindows(),
       localServer(nullptr),
       trVars(nullptr),
-      dataBase(QPointer<DialogMDataBase>()),
-      qtTranslator(nullptr),
-      qtxmlTranslator(nullptr),
-      appTranslator(nullptr),
-      pmsTranslator(nullptr)
+      dataBase(QPointer<DialogMDataBase>())
 {
     setApplicationDisplayName(VER_PRODUCTNAME_STR);
     setApplicationName(VER_INTERNALNAME_STR);
@@ -236,7 +231,7 @@ void MApplication::InitOptions()
     qDebug()<<"Command-line arguments:"<<this->arguments();
     qDebug()<<"Process ID:"<<this->applicationPid();
 
-    LoadTranslation();
+    LoadTranslation(TapeSettings()->GetLocale());
 
     static const char * GENERIC_ICON_TO_CHECK = "document-open";
     if (QIcon::hasThemeIcon(GENERIC_ICON_TO_CHECK) == false)
@@ -251,43 +246,6 @@ void MApplication::InitOptions()
     QResource::registerResource(diagramsPath());
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-void MApplication::LoadTranslation()
-{
-    const QString checkedLocale = TapeSettings()->GetLocale();
-    qDebug()<<"Checked locale:"<<checkedLocale;
-
-    ClearTranslation();
-
-    qtTranslator = new QTranslator(this);
-#if defined(Q_OS_WIN)
-    qtTranslator->load("qt_" + checkedLocale, translationsPath());
-#else
-    qtTranslator->load("qt_" + checkedLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath));
-#endif
-    installTranslator(qtTranslator);
-
-    qtxmlTranslator = new QTranslator(this);
-#if defined(Q_OS_WIN)
-    qtxmlTranslator->load("qtxmlpatterns_" + checkedLocale, translationsPath());
-#else
-    qtxmlTranslator->load("qtxmlpatterns_" + checkedLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath));
-#endif
-    installTranslator(qtxmlTranslator);
-
-    appTranslator = new QTranslator(this);
-    bool result = appTranslator->load("valentina_" + checkedLocale, translationsPath());
-    installTranslator(appTranslator);
-
-    const QString checkedSystem = TapeSettings()->GetPMSystemCode();
-
-    pmsTranslator = new QTranslator(this);
-    result = pmsTranslator->load("measurements_" + checkedSystem + "_" + checkedLocale, translationsPath());
-    installTranslator(pmsTranslator);
-
-    InitTrVars();//Very important do it after load QM files.
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 const VTranslateVars *MApplication::TrVars()
 {
@@ -645,35 +603,3 @@ void MApplication::Clean()
         }
     }
 }
-
-//---------------------------------------------------------------------------------------------------------------------
-void MApplication::ClearTranslation()
-{
-    if (qtTranslator != nullptr)
-    {
-        removeTranslator(qtTranslator);
-        delete qtTranslator;
-        qtTranslator = nullptr;
-    }
-
-    if (qtxmlTranslator != nullptr)
-    {
-        removeTranslator(qtxmlTranslator);
-        delete qtxmlTranslator;
-        qtxmlTranslator = nullptr;
-    }
-
-    if (appTranslator != nullptr)
-    {
-        removeTranslator(appTranslator);
-        delete appTranslator;
-        appTranslator = nullptr;
-    }
-
-    if (pmsTranslator != nullptr)
-    {
-        removeTranslator(pmsTranslator);
-        delete pmsTranslator;
-        pmsTranslator = nullptr;
-    }
-}
diff --git a/src/app/tape/mapplication.h b/src/app/tape/mapplication.h
index 6c8e01119..d4e0603e7 100644
--- a/src/app/tape/mapplication.h
+++ b/src/app/tape/mapplication.h
@@ -61,15 +61,13 @@ public:
 #endif
 
     void InitOptions();
-    void LoadTranslation();
 
-    virtual const VTranslateVars *TrVars();
-    void InitTrVars();
+    virtual const VTranslateVars *TrVars() Q_DECL_OVERRIDE;
 
     virtual void  OpenSettings() Q_DECL_OVERRIDE;
     VTapeSettings *TapeSettings();
 
-    QString translationsPath() const;
+    virtual QString translationsPath() const Q_DECL_OVERRIDE;
     QString diagramsPath() const;
 
     void ShowDataBase();
@@ -81,6 +79,9 @@ public:
 public slots:
     TMainWindow *NewMainWindow();
 
+protected:
+    virtual void InitTrVars() Q_DECL_OVERRIDE;
+
 private slots:
     void OpenFile(const QString &path);
     void NewLocalSocketConnection();
@@ -91,13 +92,8 @@ private:
     QLocalServer *localServer;
     VTranslateVars *trVars;
     QPointer<DialogMDataBase> dataBase;
-    QTranslator *qtTranslator;
-    QTranslator *qtxmlTranslator;
-    QTranslator *appTranslator;
-    QTranslator *pmsTranslator;
 
     void Clean();
-    void ClearTranslation();
 };
 
 #endif // MAPPLICATION_H
diff --git a/src/app/valentina/core/vapplication.cpp b/src/app/valentina/core/vapplication.cpp
index 712c8f802..d5aac3a71 100644
--- a/src/app/valentina/core/vapplication.cpp
+++ b/src/app/valentina/core/vapplication.cpp
@@ -499,30 +499,7 @@ void VApplication::InitOptions()
     qDebug()<<"Command-line arguments:"<<this->arguments();
     qDebug()<<"Process ID:"<<this->applicationPid();
 
-    const QString checkedLocale = ValentinaSettings()->GetLocale();
-    qDebug()<<"Checked locale:"<<checkedLocale;
-
-    QTranslator *qtTranslator = new QTranslator(this);
-#if defined(Q_OS_WIN)
-    qtTranslator->load("qt_" + checkedLocale, translationsPath());
-#else
-    qtTranslator->load("qt_" + checkedLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath));
-#endif
-    installTranslator(qtTranslator);
-
-    QTranslator *qtxmlTranslator = new QTranslator(this);
-#if defined(Q_OS_WIN)
-    qtxmlTranslator->load("qtxmlpatterns_" + checkedLocale, translationsPath());
-#else
-    qtxmlTranslator->load("qtxmlpatterns_" + checkedLocale, QLibraryInfo::location(QLibraryInfo::TranslationsPath));
-#endif
-    installTranslator(qtxmlTranslator);
-
-    QTranslator *appTranslator = new QTranslator(this);
-    appTranslator->load("valentina_" + checkedLocale, translationsPath());
-    installTranslator(appTranslator);
-
-    InitTrVars();//Very important do it after load QM files.
+    InitTranslation();
 
     static const char * GENERIC_ICON_TO_CHECK = "document-open";
     if (QIcon::hasThemeIcon(GENERIC_ICON_TO_CHECK) == false)
@@ -535,6 +512,19 @@ void VApplication::InitOptions()
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VApplication::InitTranslation()
+{
+    if (VApplication::CheckGUI())
+    {
+        LoadTranslation(ValentinaSettings()->GetLocale());
+    }
+    else
+    {
+        LoadTranslation(CommandLine()->OptLocale());
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 QStringList VApplication::LabelLanguages()
 {
diff --git a/src/app/valentina/core/vapplication.h b/src/app/valentina/core/vapplication.h
index 28e24e84d..3d4ab5dfb 100644
--- a/src/app/valentina/core/vapplication.h
+++ b/src/app/valentina/core/vapplication.h
@@ -60,8 +60,9 @@ public:
     virtual bool       notify(QObject * receiver, QEvent * event) Q_DECL_OVERRIDE;
 
     void               InitOptions();
+    void               InitTranslation();
 
-    QString            translationsPath() const;
+    virtual QString    translationsPath() const Q_DECL_OVERRIDE;
     QString            TapeFilePath() const;
 
     QTimer             *getAutoSaveTimer() const;
@@ -73,7 +74,6 @@ public:
     QTextStream       *LogFile();
 
     virtual const VTranslateVars *TrVars();
-    void               InitTrVars();
 
 #if defined(Q_OS_WIN) && defined(Q_CC_GNU)
     static void        DrMingw();
@@ -84,6 +84,9 @@ public:
     virtual void OpenSettings() Q_DECL_OVERRIDE;
     VSettings *ValentinaSettings();
 
+protected:
+    virtual void       InitTrVars() Q_DECL_OVERRIDE;
+
 private slots:
 #if defined(Q_OS_WIN) && defined(Q_CC_GNU)
     void               CleanGist() const;
diff --git a/src/app/valentina/core/vcmdexport.cpp b/src/app/valentina/core/vcmdexport.cpp
index b6e18cd56..e965f2297 100644
--- a/src/app/valentina/core/vcmdexport.cpp
+++ b/src/app/valentina/core/vcmdexport.cpp
@@ -3,8 +3,6 @@
 #include "dialogs/dialogsavelayout.h"
 #include "xml/vdomdocument.h"
 
-
-
 VCommandLinePtr VCommandLine::instance = nullptr;
 
 const static auto LONG_OPTION_OUTFILE        = QStringLiteral("outfile");
@@ -52,6 +50,9 @@ const static auto SINGLE_OPTION_GAPWIDTH     = QStringLiteral("G");
 const static auto LONG_OPTION_GROUPPING      = QStringLiteral("groups");
 const static auto SINGLE_OPTION_GROUPPING    = QStringLiteral("g");
 
+const static auto SINGLE_OPTION_LOCALE       = QStringLiteral("L");
+const static auto LONG_OPTION_LOCALE         = QStringLiteral("locale");
+
 #define tr(A) QCoreApplication::translate("VCommandLine", (A))
 //---------------------------------------------------------------------------------------------------------------------
 
@@ -64,71 +65,89 @@ VCommandLine::VCommandLine() : parser()
                  //keep in mind order here - that is how user will see it, so group-up for usability
                  //===================================================================================
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_OUTFILE << LONG_OPTION_OUTFILE,
+                 {LONG_OPTION_OUTFILE,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_OUTFILE << LONG_OPTION_OUTFILE,
                                     tr("Path to output exported layout file. Use it to enable console export mode."),
-                                    tr("The exported layout file")),
+                                    tr("The exported layout file"))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_MEASUREFILE << LONG_OPTION_MEASUREFILE,
+                 {LONG_OPTION_MEASUREFILE,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_MEASUREFILE << LONG_OPTION_MEASUREFILE,
                                     tr("Path to custom measure file (export mode)."),
-                                    tr("The measure file")),
+                                    tr("The measure file"))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_EXP2FORMAT << LONG_OPTION_EXP2FORMAT,
+                 {LONG_OPTION_EXP2FORMAT,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_EXP2FORMAT << LONG_OPTION_EXP2FORMAT,
                                     tr("Number corresponding to output format (default = 0, export mode): ") +
-                                    DialogSaveLayout::MakeHelpFormatList(), tr("Format number"), "0"),
+                                    DialogSaveLayout::MakeHelpFormatList(), tr("Format number"), "0")},
 
                  //===================================================================================
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_PAGETEMPLATE << LONG_OPTION_PAGETEMPLATE,
+                 {LONG_OPTION_PAGETEMPLATE,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_PAGETEMPLATE << LONG_OPTION_PAGETEMPLATE,
                                     tr("Number corresponding to page template (default = 0, export mode): ")+
-                                    DialogLayoutSettings::MakeHelpTemplateList(), tr("Template number"), "0"),
+                                    DialogLayoutSettings::MakeHelpTemplateList(), tr("Template number"), "0")},
 
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_PAGEW << LONG_OPTION_PAGEW,
+                 {LONG_OPTION_PAGEW,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_PAGEW << LONG_OPTION_PAGEW,
                                     tr("Page width in current units like 12.0 (cannot be used with \"")
-                                    +LONG_OPTION_PAGETEMPLATE+tr("\", export mode)."), tr("The page width")),
+                                    +LONG_OPTION_PAGETEMPLATE+tr("\", export mode)."), tr("The page width"))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_PAGEH << LONG_OPTION_PAGEH,
+                 {LONG_OPTION_PAGEH,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_PAGEH << LONG_OPTION_PAGEH,
                                     tr("Page height in current units like 12.0 (cannot be used with \"")
-                                    +LONG_OPTION_PAGETEMPLATE+tr("\", export mode)."), ("The page height")),
+                                    +LONG_OPTION_PAGETEMPLATE+tr("\", export mode)."), ("The page height"))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_PAGEUNITS << LONG_OPTION_PAGEUNITS,
+                 {LONG_OPTION_PAGEUNITS,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_PAGEUNITS << LONG_OPTION_PAGEUNITS,
                                     tr("Page height/width measure units (cannot be used with \"")+
                                     LONG_OPTION_PAGETEMPLATE+tr("\", export mode): ") + VDomDocument::UnitsHelpString(),
-                                    tr("The measure unit")),
+                                    tr("The measure unit"))},
 
                  //===================================================================================
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_ROTATE << LONG_OPTION_ROTATE,
+                 {LONG_OPTION_ROTATE,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_ROTATE << LONG_OPTION_ROTATE,
                                     tr("Rotation in degrees (one of predefined). Default (or 0) is no-rotate "
-                                       "(export mode)."),
-                                    tr("Angle")),
+                                       "(export mode)."), tr("Angle"))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_CROP << LONG_OPTION_CROP,
-                                    tr("Auto crop unused length (export mode).")),
+                 {LONG_OPTION_CROP,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_CROP << LONG_OPTION_CROP,
+                                    tr("Auto crop unused length (export mode)."))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_UNITE << LONG_OPTION_UNITE,
-                                    tr("Unite pages if possible (export mode).")),
+                 {LONG_OPTION_UNITE,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_UNITE << LONG_OPTION_UNITE,
+                                    tr("Unite pages if possible (export mode)."))},
 
                  //===================================================================================
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_SAVELENGTH << LONG_OPTION_SAVELENGTH,
-                                    tr("Save length of the sheet if set. (export mode).")),
+                 {LONG_OPTION_SAVELENGTH,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_SAVELENGTH << LONG_OPTION_SAVELENGTH,
+                                    tr("Save length of the sheet if set. (export mode)."))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_SHIFTUNITS << LONG_OPTION_SHIFTUNITS,
-                                    tr("Layout units (as paper's one except px, export mode)."),
-                                    tr("The unit")),
+                 {LONG_OPTION_SHIFTUNITS,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_SHIFTUNITS << LONG_OPTION_SHIFTUNITS,
+                                    tr("Layout units (as paper's one except px, export mode)."), tr("The unit"))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_SHIFTLENGTH << LONG_OPTION_SHIFTLENGTH,
+                 {LONG_OPTION_SHIFTLENGTH,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_SHIFTLENGTH << LONG_OPTION_SHIFTLENGTH,
                                     tr("Shift layout length measured in layout units (export mode)."),
-                                    tr("Shift length")),
+                                    tr("Shift length"))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_GAPWIDTH << LONG_OPTION_GAPWIDTH,
+                 {LONG_OPTION_GAPWIDTH,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_GAPWIDTH << LONG_OPTION_GAPWIDTH,
                                     tr("Gap width x2, measured in layout units. (export mode)."),
-                                    tr("The gap width")),
+                                    tr("The gap width"))},
 
-                 QCommandLineOption(QStringList() << SINGLE_OPTION_GROUPPING << LONG_OPTION_GROUPPING,
+                 {LONG_OPTION_GROUPPING,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_GROUPPING << LONG_OPTION_GROUPPING,
                                     tr("Sets layout groupping (export mode): ")
-                                    + DialogLayoutSettings::MakeGroupsHelp(), tr("Grouping type"), "2"),
+                                    + DialogLayoutSettings::MakeGroupsHelp(), tr("Grouping type"), "2")},
+
+                 {LONG_OPTION_LOCALE,
+                 new QCommandLineOption(QStringList() << SINGLE_OPTION_LOCALE << LONG_OPTION_LOCALE,
+                                    tr("Sets language locale (export mode). Default is system locale. Supported "
+                                       "locales: ") + SupportedLocales().join(", "), tr("Locale"))}
                  }),
     isGuiEnabled(false)
 {
@@ -137,16 +156,19 @@ VCommandLine::VCommandLine() : parser()
     parser.addVersionOption();
     parser.addPositionalArgument("filename", QCoreApplication::translate("main", "Pattern file."));
 
-    foreach(const auto& o, optionsUsed)
+    QMap<QString, QCommandLineOption *>::const_iterator i = optionsUsed.constBegin();
+    while (i != optionsUsed.constEnd())
     {
-        parser.addOption(o);
+        parser.addOption(*i.value());
+        ++i;
     }
 }
 
 //------------------------------------------------------------------------------------------------------
 int VCommandLine::Lo2Px(const QString &src, const DialogLayoutSettings &converter)
 {
-    //that is dirty-dirty hack ...eventually number is converted float <--> int 3 or 4 times including inside dialog ... that will loose precision for sure
+    //that is dirty-dirty hack ...eventually number is converted float <--> int 3 or 4 times including inside dialog ...
+    // that will loose precision for sure
     return converter.LayoutToPixels(src.toFloat());
 }
 
@@ -166,11 +188,11 @@ VLayoutGeneratorPtr VCommandLine::DefaultGenerator() const
 
     {
         //just anonymous namespace ...don' like to have a,b,c,d everywhere defined
-        bool x = parser.isSet(LONG_OPTION_PAGETEMPLATE);
+        bool x = parser.isSet(*optionsUsed.value(LONG_OPTION_PAGETEMPLATE));
 
-        bool a = parser.isSet(LONG_OPTION_PAGEH);
-        bool b = parser.isSet(LONG_OPTION_PAGEW);
-        bool c = parser.isSet(LONG_OPTION_PAGEUNITS);
+        bool a = parser.isSet(*optionsUsed.value(LONG_OPTION_PAGEH));
+        bool b = parser.isSet(*optionsUsed.value(LONG_OPTION_PAGEW));
+        bool c = parser.isSet(*optionsUsed.value(LONG_OPTION_PAGEUNITS));
 
         if ((a || b || c) && x)
         {
@@ -188,8 +210,8 @@ VLayoutGeneratorPtr VCommandLine::DefaultGenerator() const
 
 //    {
 //        //just anonymous namespace ...don' like to have a,b,c,d everywhere defined
-//        bool a = parser.isSet(OPTION_SHIFTLENGTH);
-//        bool b = parser.isSet(OPTION_SHIFTUNITS);
+//        bool a = parser.isSet(optionsUsed.value(LONG_OPTION_SHIFTLENGTH));
+//        bool b = parser.isSet(optionsUsed.value(LONG_OPTION_SHIFTUNITS));
 
 //        if ((a || b) && !(a && b))
 //        {
@@ -214,40 +236,40 @@ VLayoutGeneratorPtr VCommandLine::DefaultGenerator() const
         Error(tr("Unknown page templated selected."));
     }
 
-    if (parser.isSet(LONG_OPTION_PAGEH)) //at this point we already sure 3 are set or none
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_PAGEH))) //at this point we already sure 3 are set or none
     {
 
-        if (!diag.SelectPaperUnit(parser.value(LONG_OPTION_PAGEUNITS)))
+        if (!diag.SelectPaperUnit(parser.value(*optionsUsed.value(LONG_OPTION_PAGEUNITS))))
         {
             Error(tr("Unsupported paper units."));
         }
 
-        diag.SetPaperHeight (Pg2Px(parser.value(LONG_OPTION_PAGEH), diag));
-        diag.SetPaperWidth  (Pg2Px(parser.value(LONG_OPTION_PAGEW), diag));
+        diag.SetPaperHeight (Pg2Px(parser.value(*optionsUsed.value(LONG_OPTION_PAGEH)), diag));
+        diag.SetPaperWidth  (Pg2Px(parser.value(*optionsUsed.value(LONG_OPTION_PAGEW)), diag));
     }
 
-    if (parser.isSet(LONG_OPTION_SHIFTUNITS))
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_SHIFTUNITS)))
     {
-        if (!diag.SelectLayoutUnit(parser.value(LONG_OPTION_SHIFTUNITS)))
+        if (!diag.SelectLayoutUnit(parser.value(*optionsUsed.value(LONG_OPTION_SHIFTUNITS))))
         {
             Error(tr("Unsupported layout units."));
         }
     }
 
-    if (parser.isSet(LONG_OPTION_SHIFTLENGTH))
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_SHIFTLENGTH)))
     {
 
-        diag.SetShift(Lo2Px(parser.value(LONG_OPTION_SHIFTLENGTH), diag));
+        diag.SetShift(Lo2Px(parser.value(*optionsUsed.value(LONG_OPTION_SHIFTLENGTH)), diag));
     }
 
-    if (parser.isSet(LONG_OPTION_GAPWIDTH))
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_GAPWIDTH)))
     {
-        diag.SetLayoutWidth(Lo2Px(parser.value(LONG_OPTION_GAPWIDTH), diag));
+        diag.SetLayoutWidth(Lo2Px(parser.value(*optionsUsed.value(LONG_OPTION_GAPWIDTH)), diag));
     }
 
-    diag.SetAutoCrop(parser.isSet(LONG_OPTION_CROP));
-    diag.SetUnitePages(parser.isSet(LONG_OPTION_UNITE));
-    diag.SetSaveLength(parser.isSet(LONG_OPTION_SAVELENGTH));
+    diag.SetAutoCrop(parser.isSet(*optionsUsed.value(LONG_OPTION_CROP)));
+    diag.SetUnitePages(parser.isSet(*optionsUsed.value(LONG_OPTION_UNITE)));
+    diag.SetSaveLength(parser.isSet(*optionsUsed.value(LONG_OPTION_SAVELENGTH)));
     diag.SetGroup(OptGroup());
 
 
@@ -288,7 +310,7 @@ void VCommandLine::Reset()
 //------------------------------------------------------------------------------------------------------
 bool VCommandLine::IsExportEnabled() const
 {
-    bool r = parser.isSet(LONG_OPTION_OUTFILE);
+    bool r = parser.isSet(*optionsUsed.value(LONG_OPTION_OUTFILE));
     if (r && parser.positionalArguments().size() != 1)
     {
         Error(tr("Export options can be used with single input file only."));
@@ -300,9 +322,9 @@ bool VCommandLine::IsExportEnabled() const
 DialogLayoutSettings::PaperSizeTemplate VCommandLine::OptPaperSize() const
 {
     int ppsize = 0;
-    if (parser.isSet(LONG_OPTION_PAGETEMPLATE))
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_PAGETEMPLATE)))
     {
-        ppsize = parser.value(LONG_OPTION_PAGETEMPLATE).toInt();
+        ppsize = parser.value(*optionsUsed.value(LONG_OPTION_PAGETEMPLATE)).toInt();
     }
     return static_cast<DialogLayoutSettings::PaperSizeTemplate>(ppsize);
 }
@@ -311,9 +333,9 @@ DialogLayoutSettings::PaperSizeTemplate VCommandLine::OptPaperSize() const
 int VCommandLine::OptRotation() const
 {
     int rotate = 0;
-    if (parser.isSet(LONG_OPTION_ROTATE))
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_ROTATE)))
     {
-        rotate = parser.value(LONG_OPTION_ROTATE).toInt();
+        rotate = parser.value(*optionsUsed.value(LONG_OPTION_ROTATE)).toInt();
     }
 
     return rotate;
@@ -322,7 +344,7 @@ int VCommandLine::OptRotation() const
 //------------------------------------------------------------------------------------------------------
 Cases VCommandLine::OptGroup() const
 {
-    int r = parser.value(LONG_OPTION_GROUPPING).toInt();
+    int r = parser.value(*optionsUsed.value(LONG_OPTION_GROUPPING)).toInt();
     if ( r < 0 || r >= static_cast<int>(Cases::UnknownCase))
     {
         r = 0;
@@ -334,11 +356,11 @@ Cases VCommandLine::OptGroup() const
 QString VCommandLine::OptMeasurePath() const
 {
     QString measure;
-    if (parser.isSet(LONG_OPTION_MEASUREFILE)
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_MEASUREFILE))
             && IsExportEnabled() //todo: don't want yet to allow user set measure file for general loading, because need to fix multiply opened windows as well
             )
     {
-        measure = parser.value(LONG_OPTION_MEASUREFILE);
+        measure = parser.value(*optionsUsed.value(LONG_OPTION_MEASUREFILE));
     }
 
     return measure;
@@ -350,7 +372,7 @@ QString VCommandLine::OptExportPath() const
     QString path;
     if (IsExportEnabled())
     {
-        path = parser.value(LONG_OPTION_OUTFILE);
+        path = parser.value(*optionsUsed.value(LONG_OPTION_OUTFILE));
     }
 
     return path;
@@ -360,9 +382,9 @@ QString VCommandLine::OptExportPath() const
 int VCommandLine::OptExportType() const
 {
     int r = 0;
-    if (parser.isSet(LONG_OPTION_EXP2FORMAT))
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_EXP2FORMAT)))
     {
-        r = parser.value(LONG_OPTION_EXP2FORMAT).toInt();
+        r = parser.value(*optionsUsed.value(LONG_OPTION_EXP2FORMAT)).toInt();
     }
     return r;
 }
@@ -373,11 +395,21 @@ QStringList VCommandLine::OptInputFileNames() const
     return parser.positionalArguments();
 }
 
-//------------------------------------------------------------------------------------------------------
+//---------------------------------------------------------------------------------------------------------------------
+QString VCommandLine::OptLocale() const
+{
+    QString locale = QLocale::system().name();
+    if (parser.isSet(*optionsUsed.value(LONG_OPTION_LOCALE)))
+    {
+        locale = parser.value(*optionsUsed.value(LONG_OPTION_LOCALE));
+    }
+    return locale;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
 bool VCommandLine::IsGuiEnabled() const
 {
     return isGuiEnabled;
 }
 
-//------------------------------------------------------------------------------------------------------
 #undef tr
diff --git a/src/app/valentina/core/vcmdexport.h b/src/app/valentina/core/vcmdexport.h
index f7ef729e8..5c1b9112b 100644
--- a/src/app/valentina/core/vcmdexport.h
+++ b/src/app/valentina/core/vcmdexport.h
@@ -52,7 +52,7 @@ class VCommandLine
 private:
     static VCommandLinePtr instance;
     QCommandLineParser parser;
-    const std::vector<QCommandLineOption> optionsUsed;
+    const QMap<QString, QCommandLineOption *> optionsUsed;
     bool isGuiEnabled;
     friend class VApplication;
 
@@ -105,6 +105,9 @@ public:
     //@brief gets filenames which should be loaded
     QStringList OptInputFileNames() const;
 
+    //@brief gets locale name
+    QString OptLocale() const;
+
     bool IsGuiEnabled()const;
 };
 
diff --git a/src/libs/vmisc/def.cpp b/src/libs/vmisc/def.cpp
index 1979f3f6a..24947efcb 100644
--- a/src/libs/vmisc/def.cpp
+++ b/src/libs/vmisc/def.cpp
@@ -912,3 +912,22 @@ QStringList ListGroupQ()
 
     return list;
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+QStringList SupportedLocales()
+{
+    const QStringList locales = {QStringLiteral("ru_RU"),
+                                 QStringLiteral("uk_UA"),
+                                 QStringLiteral("de_DE"),
+                                 QStringLiteral("cs_CZ"),
+                                 QStringLiteral("he_IL"),
+                                 QStringLiteral("fr_FR"),
+                                 QStringLiteral("it_IT"),
+                                 QStringLiteral("nl_NL"),
+                                 QStringLiteral("id_ID"),
+                                 QStringLiteral("es_ES"),
+                                 QStringLiteral("fi_FI"),
+                                 QStringLiteral("en_US")};
+
+    return locales;
+}
diff --git a/src/libs/vmisc/def.h b/src/libs/vmisc/def.h
index d2b0cf9cd..546326b81 100644
--- a/src/libs/vmisc/def.h
+++ b/src/libs/vmisc/def.h
@@ -575,4 +575,6 @@ qreal UnitConvertor(qreal value, const Unit &from, const Unit &to);
 
 void CheckFactor(qreal &oldFactor, const qreal &Newfactor);
 
+QStringList SupportedLocales();
+
 #endif // DEF_H
diff --git a/src/libs/vmisc/vabstractapplication.cpp b/src/libs/vmisc/vabstractapplication.cpp
index d687acd66..03727f944 100644
--- a/src/libs/vmisc/vabstractapplication.cpp
+++ b/src/libs/vmisc/vabstractapplication.cpp
@@ -29,12 +29,18 @@
 #include "vabstractapplication.h"
 #include "../vmisc/def.h"
 
+#include <QLibraryInfo>
+
 //---------------------------------------------------------------------------------------------------------------------
 VAbstractApplication::VAbstractApplication(int &argc, char **argv)
     :QApplication(argc, argv),
       undoStack(nullptr),
       mainWindow(nullptr),
       settings(nullptr),
+      qtTranslator(nullptr),
+      qtxmlTranslator(nullptr),
+      appTranslator(nullptr),
+      pmsTranslator(nullptr),
       _patternUnit(Unit::Cm),
       _patternType(MeasurementsType::Individual),
       currentScene(nullptr),
@@ -112,3 +118,72 @@ double VAbstractApplication::fromPixel(double pix) const
 {
     return FromPixel(pix, _patternUnit);
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractApplication::LoadTranslation(const QString &locale)
+{
+    if (locale.isEmpty())
+    {
+        qDebug()<<"Locale is empty.";
+        return;
+    }
+    qDebug()<<"Checked locale:"<<locale;
+
+    ClearTranslation();
+
+    qtTranslator = new QTranslator(this);
+#if defined(Q_OS_WIN)
+    qtTranslator->load("qt_" + locale, translationsPath());
+#else
+    qtTranslator->load("qt_" + locale, QLibraryInfo::location(QLibraryInfo::TranslationsPath));
+#endif
+    installTranslator(qtTranslator);
+
+    qtxmlTranslator = new QTranslator(this);
+#if defined(Q_OS_WIN)
+    qtxmlTranslator->load("qtxmlpatterns_" + locale, translationsPath());
+#else
+    qtxmlTranslator->load("qtxmlpatterns_" + locale, QLibraryInfo::location(QLibraryInfo::TranslationsPath));
+#endif
+    installTranslator(qtxmlTranslator);
+
+    appTranslator = new QTranslator(this);
+    appTranslator->load("valentina_" + locale, translationsPath());
+    installTranslator(appTranslator);
+
+    const QString system = Settings()->GetPMSystemCode();
+
+    pmsTranslator = new QTranslator(this);
+    pmsTranslator->load("measurements_" + system + "_" + locale, translationsPath());
+    installTranslator(pmsTranslator);
+
+    InitTrVars();//Very important do it after load QM files.
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractApplication::ClearTranslation()
+{
+    if (not qtTranslator.isNull())
+    {
+        removeTranslator(qtTranslator);
+        delete qtTranslator;
+    }
+
+    if (not qtxmlTranslator.isNull())
+    {
+        removeTranslator(qtxmlTranslator);
+        delete qtxmlTranslator;
+    }
+
+    if (not appTranslator.isNull())
+    {
+        removeTranslator(appTranslator);
+        delete appTranslator;
+    }
+
+    if (not pmsTranslator.isNull())
+    {
+        removeTranslator(pmsTranslator);
+        delete pmsTranslator;
+    }
+}
diff --git a/src/libs/vmisc/vabstractapplication.h b/src/libs/vmisc/vabstractapplication.h
index 2c687f7ee..b2c3ad16d 100644
--- a/src/libs/vmisc/vabstractapplication.h
+++ b/src/libs/vmisc/vabstractapplication.h
@@ -31,6 +31,8 @@
 
 #include <QApplication>
 #include <QGraphicsScene>
+#include <QPointer>
+
 #include "def.h"
 #include "vsettings.h"
 #include "vlockguard.h"
@@ -53,6 +55,9 @@ public:
     virtual ~VAbstractApplication() Q_DECL_OVERRIDE;
 
     virtual const VTranslateVars *TrVars()=0;
+    virtual QString  translationsPath() const=0;
+
+    void             LoadTranslation(const QString &locale);
 
     Unit             patternUnit() const;
     const Unit      *patternUnitP() const;
@@ -101,6 +106,13 @@ protected:
      */
     VCommonSettings    *settings;
 
+    QPointer<QTranslator> qtTranslator;
+    QPointer<QTranslator> qtxmlTranslator;
+    QPointer<QTranslator> appTranslator;
+    QPointer<QTranslator> pmsTranslator;
+
+    virtual void InitTrVars()=0;
+
 private:
     Q_DISABLE_COPY(VAbstractApplication)
     Unit               _patternUnit;
@@ -117,6 +129,8 @@ private:
      * we can allow user use Undo option.
      */
     bool               openingPattern;
+
+    void ClearTranslation();
 };
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/test/ValentinaTest/tst_measurementregexp.cpp b/src/test/ValentinaTest/tst_measurementregexp.cpp
index 8d94bc86c..211652245 100644
--- a/src/test/ValentinaTest/tst_measurementregexp.cpp
+++ b/src/test/ValentinaTest/tst_measurementregexp.cpp
@@ -69,8 +69,7 @@ void TST_MeasurementRegExp::TestOriginalMeasurementNamesRegExp()
 void TST_MeasurementRegExp::TestMeasurementRegExp()
 {
     const int systemCounts = 55;
-    const QStringList locales {"ru_RU", "uk_UA", "de_DE", "cs_CZ", "he_IL", "fr_FR", "it_IT", "nl_NL", "id_ID",
-                               "es_ES", "fi_FI", "en_US"};
+    const QStringList locales = SupportedLocales();
 
     {
         const int combinations = systemCounts * locales.size(); // 55*12=660