xmldatastore.h

/*
 * Silence
 *
 * Copyright (C) 2009 Manuel Unglaub
 *
 * This file is part of Silence.
 *
 * Silence 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, version GPLv2 only of the License.
 *
 * Silence 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 Silence.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef XMLDATASTORE_H
#define XMLDATASTORE_H

#include "src/data/label.h"
#include "src/data/node/node.h"
#include "src/persistence/abstractdatastore.h"
#include <QDomDocument>
#include <QObject>


class XmlDataStore : public AbstractDataStore
{
    Q_OBJECT

    public:
        XmlDataStore();

        ~XmlDataStore();

        Node* getRootNode();
        Node *getNode(NodeId id);
        Label* getRootLabel();

        void removeNode(Node *node);
        void addNode(Node *node);

        void addLabel(Label *label);
        void removeLabel(Label *label);

    public slots:
        void saveNode(Node *node);
    
    private:
        Node *rootNode;
        Label *rootLabel;
        static const QString DATA_FILE;

        void saveAll();
        Node* findNode(Node* parent, NodeId id);

        void xmlToLabels(QDomElement &xmlLabels, Label* label);

        void addXmlNode(Node* node, QDomElement &parent, QDomDocument &doc);
        void xmlToNode(Node* parentNode, QDomNode &xmlNode, QDomDocument &doc);

        void writeLabels(QDomDocument &doc, QDomElement &parent, Label* parentLabel);
};

#endif // XMLDATASTORE_H