initial creation of custom formatters (#91)

sources/awesome-widget/plugin/awdatetimeformatter.h

@@ -0,0 +1,46 @@
+/***************************************************************************
+ *   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 AWDATETIMEFORMATTER_H
+#define AWDATETIMEFORMATTER_H
+
+#include "awabstractformatter.h"
+
+
+class AWDateTimeFormatter : public AWAbstractFormatter
+{
+    Q_OBJECT
+    Q_PROPERTY(QString format READ format WRITE setFormat)
+
+public:
+    explicit AWDateTimeFormatter(QObject *parent, const QString filename,
+                                 const QString section);
+    explicit AWDateTimeFormatter(QObject *parent, const QString format);
+    virtual ~AWDateTimeFormatter();
+    QString convert(const QVariant &value) const;
+    // properties
+    QString format() const;
+    void setFormat(const QString _format);
+
+private:
+    void init(const QString filename, const QString section);
+    // properties
+    QString m_format;
+};
+
+
+#endif /* AWDATETIMEFORMATTER_H */