initial creation of custom formatters (#91)

sources/awesome-widget/plugin/awabstractformatter.h

@@ -0,0 +1,37 @@
+/***************************************************************************
+ *   This file is part of awesome-widgets                                  *
+ *                                                                         *
+ *   awesome-widgets is free software: you can redistribute it and/or      *
+ *   modify it under the terms of the GNU General Public License as        *
+ *   published by the Free Software Foundation, either version 3 of the    *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   awesome-widgets is distributed in the hope that it will be useful,    *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with awesome-widgets. If not, see http://www.gnu.org/licenses/  *
+ ***************************************************************************/
+
+#ifndef AWABSTRACTFORMATTER_H
+#define AWABSTRACTFORMATTER_H
+
+#include <QObject>
+#include <QVariant>
+
+
+class AWAbstractFormatter : public QObject
+{
+public:
+    explicit AWAbstractFormatter(QObject *parent, const QString, const QString)
+        : QObject(parent){};
+    explicit AWAbstractFormatter(QObject *parent)
+        : QObject(parent){};
+    virtual ~AWAbstractFormatter(){};
+    virtual QString convert(const QVariant &value) const = 0;
+};
+
+
+#endif /* AWABSTRACTFORMATTER_H */