Index: sources/storage/logger.cpp
===================================================================
diff -u -r93d7ff58cd6fd2fea5d00587ee712a637fc941bf -r2437559b2d4cd4c2ac6a926b4f55652e55e1f616
--- sources/storage/logger.cpp	(.../logger.cpp)	(revision 93d7ff58cd6fd2fea5d00587ee712a637fc941bf)
+++ sources/storage/logger.cpp	(.../logger.cpp)	(revision 2437559b2d4cd4c2ac6a926b4f55652e55e1f616)
@@ -50,7 +50,7 @@
     checkLogPath();
     initConnections();
 
-    LOG_EVENT(QObject::tr("%1 Initialized").arg(metaObject()->className()));
+    LOG_EVENT("UI," + tr("%1 Initialized").arg(metaObject()->className()));
 
     return true;
 }
@@ -169,7 +169,7 @@
 {
     if (vUseApplicationDirPath) {
         _dir.setPath(qApp->applicationDirPath());
-        LOG_EVENT(tr("Application Dir Path used for events logging (%1)").arg(_dir.path()));
+        LOG_EVENT(tr("Application path used for events logging (%1)").arg(_dir.path()));
     } else {
         _dir.setPath(Log_Base_Path_Name);
     }
@@ -202,8 +202,8 @@
     if ( ! _dir.exists(_logBasePathNames[vLogType]) ) {
         if ( ! _dir.mkpath(_logBasePathNames[vLogType]) ) {
             LOG_ERROR(tr("Can't create %1 log path (%2)")
-                      .arg(_logPrefix[vLogType])
-                      .arg(_logPathNames[vLogType])
+                          .arg(_logPrefix[vLogType])
+                          .arg(_logPathNames[vLogType])
                       );
             return false;
         }
@@ -222,25 +222,33 @@
 void Logger::log(const QString &vContent, Logger::LogType vLogType)
 {
     QString date = QDate::currentDate().toString(_dateFormat);
+    QString fileName = date + _dateSeparator;
     QString mContent;
-
     switch (vLogType) {
     case eLogEvent:
-    case eLogError:
+        fileName += Log_File_Name_Event;
+        break;
+
     case eLogDatum:
+        fileName += Log_File_Name_Datum;
         break;
 
+    case eLogError:
+        fileName += Log_File_Name_Error;
+        break;
+
     default:
-        LOG_ERROR(tr("Incorrect type of logging").arg(vLogType));
+        fileName += Log_File_Name_Error;
+        LOG_ERROR(tr("Incorrect type of logging %1").arg(vLogType));
     }
 
     QString logPrefix = _logPrefix[vLogType];
-    if (logPrefix.isEmpty()) logPrefix = _logPrefix[LogType::eLogError];
-    mContent += logPrefix;
-    mContent += _prefixSeparator;
+    if ( ! logPrefix.isEmpty()) {
+        mContent += logPrefix;
+        mContent += _prefixSeparator;
+    }
     mContent += QTime::currentTime().toString(_timeFormat);
     mContent += _timeSeparator + vContent;
-    QString fileName = date + _dateSeparator + Log_File_Name;
     QString logPathName = _logPathNames[vLogType];
     if (logPathName.isEmpty())
         logPathName = _logPathNames[LogType::eLogError];