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-rwxr-xr-xLanguagesManager.cpp284
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+/** \file LanguagesManager.cpp
+\brief Define the class to manage and load the languages
+\author alpha_one_x86
+\version 0.3
+\date 2010
+\licence GPL3, see the file COPYING */
+
+#include <QDir>
+#include <QLibraryInfo>
+
+#include "LanguagesManager.h"
+
+/// \brief Create the manager and load the defaults variables
+LanguagesManager::LanguagesManager()
+{
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"start");
+ //load the overall instance
+ resources=ResourcesManager::getInstance();
+ options=OptionEngine::getInstance();
+ plugins=PluginsManager::getInstance();
+ //load the rest
+ QStringList resourcesPaths=resources->getReadPath();
+ int index=0;
+ while(index<resourcesPaths.size())
+ {
+ QString composedTempPath=resourcesPaths.at(index)+"Languages"+QDir::separator();
+ QDir LanguagesConfiguration(composedTempPath);
+ if(LanguagesConfiguration.exists())
+ languagePath<<composedTempPath;
+ index++;
+ }
+ //load the plugins
+ plugins->lockPluginListEdition();
+ QList<PluginsAvailable> list=plugins->getPluginsByCategory(PluginType_Languages);
+ foreach(PluginsAvailable currentPlugin,list)
+ onePluginAdded(currentPlugin);
+ qRegisterMetaType<PluginsAvailable>("PluginsAvailable");
+ connect(plugins,SIGNAL(onePluginAdded(PluginsAvailable)), this, SLOT(onePluginAdded(PluginsAvailable)));
+ connect(plugins,SIGNAL(onePluginWillBeRemoved(PluginsAvailable)), this, SLOT(onePluginWillBeRemoved(PluginsAvailable)),Qt::DirectConnection);
+ connect(plugins,SIGNAL(pluginListingIsfinish()), this, SLOT(allPluginIsLoaded()));
+ plugins->unlockPluginListEdition();
+ //load the GUI option
+ QList<QPair<QString, QVariant> > KeysList;
+ KeysList.append(qMakePair(QString("Language"),QVariant("en")));
+ KeysList.append(qMakePair(QString("Language_autodetect"),QVariant(true)));
+ options->addOptionGroup("Language",KeysList);
+// connect(this, SIGNAL(newLanguageLoaded(QString)), plugins,SLOT(refreshPluginList(QString)));
+// connect(this, SIGNAL(newLanguageLoaded(QString)), this,SLOT(retranslateTheUI()));
+ connect(options,SIGNAL(newOptionValue(QString,QString,QVariant)), this, SLOT(newOptionValue(QString)));
+ connect(this, SIGNAL(newLanguageLoaded(QString)), plugins,SIGNAL(newLanguageLoaded()));
+}
+
+/// \brief Destroy the language manager
+LanguagesManager::~LanguagesManager()
+{
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"start");
+ PluginsManager::destroyInstanceAtTheLastCall();
+ OptionEngine::destroyInstanceAtTheLastCall();
+ ResourcesManager::destroyInstanceAtTheLastCall();
+}
+
+/// \brief load the language selected, return the main short code like en, fr, ..
+QString LanguagesManager::getTheRightLanguage()
+{
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"start");
+ if(LanguagesAvailableList.size()==0)
+ {
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"empty combobox list, failing back to english");
+ return "en";
+ }
+ else
+ {
+ if(options->getOptionValue("Language","Language_autodetect").toBool())
+ {
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"language auto-detection, QLocale::system().name(): "+QLocale::system().name()+", QLocale::languageToString(QLocale::system().language()): "+QLocale::languageToString(QLocale::system().language()));
+ QString tempLanguage=getMainShortName(QLocale::languageToString(QLocale::system().language()));
+ if(tempLanguage!="")
+ return tempLanguage;
+ else
+ {
+ tempLanguage=getMainShortName(QLocale::system().name());
+ if(tempLanguage!="")
+ return tempLanguage;
+ else
+ {
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"Autodetection of the language failed, QLocale::languageToString(QLocale::system().language()): "+QLocale::languageToString(QLocale::system().language())+", QLocale::system().name(): "+QLocale::system().name()+", failing back to english");
+ return options->getOptionValue("Language","Language").toString();
+ }
+ }
+ }
+ else
+ return options->getOptionValue("Language","Language").toString();
+ }
+}
+
+/* \brief To set the current language
+\param newLanguage Should be short name code found into informations.xml of language file */
+void LanguagesManager::setCurrentLanguage(const QString &newLanguage)
+{
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"start: "+newLanguage);
+ //protection for re-set the same language
+ if(currentLanguage==newLanguage)
+ return;
+ //store the language
+ plugins->setLanguage(newLanguage);
+ //unload the old language
+ if(currentLanguage!="en")
+ {
+ int indexTranslator=0;
+ while(indexTranslator<installedTranslator.size())
+ {
+ QCoreApplication::removeTranslator(installedTranslator[indexTranslator]);
+ delete installedTranslator[indexTranslator];
+ indexTranslator++;
+ }
+ installedTranslator.clear();
+ }
+ if(newLanguage=="en")
+ {
+ currentLanguage="en";
+ emit newLanguageLoaded(currentLanguage);
+ }
+ else
+ {
+ int index=0;
+ while(index<LanguagesAvailableList.size())
+ {
+ if(LanguagesAvailableList.at(index).mainShortName==newLanguage)
+ {
+ //load the new language
+ if(newLanguage!="en")
+ {
+ QTranslator *temp;
+ QStringList fileToLoad;
+ //load the language main
+ fileToLoad<<LanguagesAvailableList.at(index).path+"translation.qm";
+ //load the language plugin
+ QList<PluginsAvailable> listLoadedPlugins=plugins->getPlugins();
+ int indexPluginIndex=0;
+ while(indexPluginIndex<listLoadedPlugins.size())
+ {
+ if(listLoadedPlugins.at(indexPluginIndex).category!=PluginType_Languages)
+ {
+ QString tempPath=listLoadedPlugins.at(indexPluginIndex).path+"Languages"+QDir::separator()+LanguagesAvailableList.at(index).mainShortName+QDir::separator()+"translation.qm";
+ if(QFile::exists(tempPath))
+ fileToLoad<<tempPath;
+ }
+ indexPluginIndex++;
+ }
+ int indexTranslationFile=0;
+ while(indexTranslationFile<fileToLoad.size())
+ {
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"Translation to load: "+fileToLoad.at(indexTranslationFile));
+ temp=new QTranslator();
+ if(!temp->load(fileToLoad.at(indexTranslationFile)) || temp->isEmpty())
+ {
+ delete temp;
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"Unable to load the translation file: "+fileToLoad.at(indexTranslationFile));
+ }
+ else
+ {
+ QCoreApplication::installTranslator(temp);
+ installedTranslator<<temp;
+ }
+ indexTranslationFile++;
+ }
+ temp=new QTranslator();
+ if(temp->load(QString("qt_")+newLanguage, QLibraryInfo::location(QLibraryInfo::TranslationsPath)) && !temp->isEmpty())
+ {
+ QCoreApplication::installTranslator(temp);
+ installedTranslator<<temp;
+ }
+ else
+ {
+ if(!temp->load(LanguagesAvailableList.at(index).path+"qt.qm") || temp->isEmpty())
+ {
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"Unable to load the translation file: qt.qm, into: "+LanguagesAvailableList.at(index).path);
+ delete temp;
+ }
+ else
+ {
+ QCoreApplication::installTranslator(temp);
+ installedTranslator<<temp;
+ }
+ }
+ }
+ currentLanguage=newLanguage;
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"emit newLanguageLoaded()");
+ emit newLanguageLoaded(currentLanguage);
+ return;
+ }
+ index++;
+ }
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"unable to found language: "+newLanguage+", LanguagesAvailableList.size(): "+QString::number(LanguagesAvailableList.size()));
+ }
+}
+
+/// \brief check if short name is found into language
+QString LanguagesManager::getMainShortName(const QString &shortName)
+{
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"start");
+ int index=0;
+ while(index<LanguagesAvailableList.size())
+ {
+ if(LanguagesAvailableList.at(index).shortName.contains(shortName) || LanguagesAvailableList.at(index).fullName.contains(shortName))
+ return LanguagesAvailableList.at(index).mainShortName;
+ index++;
+ }
+ return "";
+}
+
+/// \brief load the language in languagePath
+void LanguagesManager::allPluginIsLoaded()
+{
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"start");
+ setCurrentLanguage(getTheRightLanguage());
+}
+
+/*QString LanguagesManager::getMainShortName()
+{
+ return currentLanguage;
+}*/
+
+void LanguagesManager::onePluginAdded(const PluginsAvailable &plugin)
+{
+ if(plugin.category!=PluginType_Languages)
+ return;
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"start");
+ QDomElement child = plugin.categorySpecific.firstChildElement("fullName");
+ LanguagesAvailable temp;
+ if(!child.isNull() && child.isElement())
+ temp.fullName=child.text();
+ child = plugin.categorySpecific.firstChildElement("shortName");
+ while(!child.isNull())
+ {
+ if(child.isElement())
+ {
+ if(child.hasAttribute("mainCode") && child.attribute("mainCode")=="true")
+ temp.mainShortName=child.text();
+ temp.shortName<<child.text();
+ }
+ child = child.nextSiblingElement("shortName");
+ }
+ temp.path=plugin.path;
+ if(temp.fullName.isEmpty())
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"fullName empty for: "+plugin.path);
+ else if(temp.path.isEmpty())
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"path empty for: "+plugin.path);
+ else if(temp.mainShortName.isEmpty())
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"mainShortName empty for: "+plugin.path);
+ else if(temp.shortName.size()<=0)
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"temp.shortName.size()<=0 for: "+plugin.path);
+ else if(!QFile::exists(temp.path+"flag.png"))
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"flag file not found for: "+plugin.path);
+ else if(!QFile::exists(temp.path+"translation.qm") && temp.mainShortName!="en")
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Warning,"translation not found for: "+plugin.path);
+ else
+ LanguagesAvailableList<<temp;
+ if(plugins->allPluginHaveBeenLoaded())
+ setCurrentLanguage(getTheRightLanguage());
+}
+
+void LanguagesManager::onePluginWillBeRemoved(const PluginsAvailable &plugin)
+{
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"start");
+ int index=0;
+ while(index<LanguagesAvailableList.size())
+ {
+ if(plugin.path==LanguagesAvailableList.at(index).path)
+ {
+ return;
+ }
+ index++;
+ }
+}
+
+void LanguagesManager::newOptionValue(const QString &group)
+{
+ if(group=="Language")
+ {
+ ULTRACOPIER_DEBUGCONSOLE(DebugLevel_Notice,"group: "+group);
+ setCurrentLanguage(getTheRightLanguage());
+ }
+}
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