refs #198 , added utility methods for read/write settings

src/blackmisc/settingutilities.cpp

@@ -1,4 +1,6 @@
 #include "settingutilities.h"
+#include <QStandardPaths>
+#include <QDir>
 
 namespace BlackMisc
 {
@@ -29,6 +31,24 @@ namespace BlackMisc
             return rps;
         }
 
+        /*
+         * Value not changed
+         */
+        CStatusMessage CSettingUtilities::valueNotChangedMessage(const QString &valueName)
+        {
+            return CStatusMessage(CStatusMessage::TypeSettings, CStatusMessage::SeverityWarning,
+                                  QString("Value %1 not changed").arg(valueName));
+        }
+
+        /*
+         * Value changed
+         */
+        CStatusMessage CSettingUtilities::valueChangedMessage(const QString &valueName)
+        {
+            return CStatusMessage(CStatusMessage::TypeSettings, CStatusMessage::SeverityInfo,
+                                  QString("Value %1 changed").arg(valueName));
+        }
+
         /*
          * leading path
          */
@@ -52,5 +72,34 @@ namespace BlackMisc
             p.append('/').append(part3);
             return p;
         }
+
+        /*
+         * Init settings dir, if required create it
+         */
+        bool CSettingUtilities::initSettingsDirectory()
+        {
+            QDir dir(CSettingUtilities::getSettingsDirectory());
+            if (dir.exists()) return true;
+            return dir.mkpath(".");
+        }
+
+        /*
+         * Directory
+         */
+        const QString &CSettingUtilities::getSettingsDirectory()
+        {
+            static QString dir = QStandardPaths::writableLocation(QStandardPaths::DataLocation).append("/BlackBox");
+            return dir;
+        }
+
+        /*
+         * File
+         */
+        const QString &CSettingUtilities::getSettingsFile()
+        {
+            static QString file(QString(CSettingUtilities::getSettingsDirectory()).append("/settings.json"));
+            return file;
+        }
+
     }
 }

src/blackmisc/settingutilities.h

@@ -49,12 +49,27 @@ namespace BlackMisc
             //! \brief Wrong path messages
             static BlackMisc::CStatusMessageList wrongPathMessages(const QString &path = "");
 
+            //! \brief Value not changed message
+            static BlackMisc::CStatusMessage valueNotChangedMessage(const QString &valueName);
+
+            //! \brief Value changed message
+            static BlackMisc::CStatusMessage valueChangedMessage(const QString &valueName);
+
             //! \brief Remove leading path
             static QString removeLeadingPath(const QString &path);
 
             //! \brief Append setting paths
             static QString appendPaths(const QString &part1, const QString &part2, const QString &part3 = "");
 
+            //! \brief prepare the settings directory, if required create it
+            static bool initSettingsDirectory();
+
+            //! \brief get the settings directory
+            static const QString &getSettingsDirectory();
+
+            //! \brief get the settings directory
+            static const QString &getSettingsFile();
+
         };
     } // namespace
 } // namespace