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diff --git a/gui/qjsonmodel.h b/gui/qjsonmodel.h
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+++ b/gui/qjsonmodel.h
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+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2011 SCHUTZ Sacha
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef QJSONMODEL_H
+#define QJSONMODEL_H
+
+#include <QAbstractItemModel>
+#include <QHash>
+#include <QIcon>
+#include <QJsonDocument>
+#include <QJsonValue>
+#include <QJsonArray>
+#include <QJsonObject>
+
+class QJsonModel;
+class QJsonItem;
+
+class QJsonTreeItem
+{
+public:
+    QJsonTreeItem(QJsonTreeItem * parent = nullptr);
+    ~QJsonTreeItem();
+    void appendChild(QJsonTreeItem * item);
+    QJsonTreeItem *child(int row);
+    QJsonTreeItem *parent();
+    int childCount() const;
+    int row() const;
+    void setKey(const QString& key);
+    void setValue(const QString& value);
+    void setType(const QJsonValue::Type& type);
+    QString key() const;
+    QString value() const;
+    QJsonValue::Type type() const;
+
+    static QJsonTreeItem* load(const QJsonValue& value, QJsonTreeItem * parent = 0);
+
+protected:
+
+
+private:
+    QString mKey;
+    QString mValue;
+    QJsonValue::Type mType;
+    QList<QJsonTreeItem*> mChilds;
+    QJsonTreeItem * mParent;
+
+
+};
+
+//---------------------------------------------------
+
+class QJsonModel : public QAbstractItemModel
+{
+    Q_OBJECT
+    enum Roles {
+        KeyRole = Qt::UserRole + 1,
+        ValueRole
+    };
+
+public:
+    explicit QJsonModel(QObject *parent = nullptr);
+    QJsonModel(const QString& fileName, QObject *parent = nullptr);
+    QJsonModel(QIODevice * device, QObject *parent = nullptr);
+    QJsonModel(const QByteArray& json, QObject *parent = nullptr);
+    ~QJsonModel();
+    bool load(const QString& fileName);
+    bool load(QIODevice * device);
+    bool loadJson(const QByteArray& json);
+    QVariant data(const QModelIndex &index, int role) const Q_DECL_OVERRIDE;
+    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) Q_DECL_OVERRIDE;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const Q_DECL_OVERRIDE;
+    QModelIndex index(int row, int column,const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
+    QModelIndex parent(const QModelIndex &index) const Q_DECL_OVERRIDE;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
+    Qt::ItemFlags flags(const QModelIndex &index) const Q_DECL_OVERRIDE;
+    QJsonDocument json() const;
+    QHash<int, QByteArray> roleNames() const Q_DECL_OVERRIDE;
+    Q_INVOKABLE QByteArray getJson();
+
+private:
+    QJsonValue genJson(QJsonTreeItem *) const;
+
+    QJsonTreeItem * mRootItem;
+    QStringList mHeaders;
+
+
+};
+
+#endif // QJSONMODEL_H