ZxItem.h

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/*
 * Zuble - A run-time system for QML/Javascript applications
 * Copyright (C) 2013, 2014  Bob Dinitto
 *
 * ZxItem.h
 *
 *  Created on: 29-Sep, 2013
 *      Author: Bob Dinitto   bob@ninzo.com
 *
 * Zuble is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifndef ZXITEM_H
#define ZXITEM_H

#include <QObject>
#include <QXmlItem>
#include <QVariant>
#include "zblcore_global.h"

namespace Zbl
{

class ZxQuery;

class ZxItem : public QObject
{
    friend class ZxResultItems;
    friend class ZxQuery;

    Q_OBJECT
public:
    explicit ZxItem(QObject *parent = 0);


    Q_PROPERTY(QString localName READ getLocalName)

    
    Q_PROPERTY(QString stringValue READ getStringValue NOTIFY stringValueChanged)

    Q_PROPERTY(QObject* rootNode READ getRootNode)

    Q_INVOKABLE bool isAtomicValue() const;

    Q_INVOKABLE bool isNode() const;

    Q_INVOKABLE bool isNull() const;

    Q_INVOKABLE QVariant toAtomicValue() const;

    QObject* getRootNode();

    Q_INVOKABLE QObject* elementById(const QString& id);


    Q_INVOKABLE void setAtomicValue(QVariant value);


    static void registerType();

    const QString getLocalName();

    const QString getStringValue();



signals:

    void stringValueChanged();
    
public slots:

protected:

    void setValue(const QXmlItem& item, ZxQuery* zQuery);

    bool ensureIntegrity(const QString& code, const QString& message);


    QXmlItem m_item;

    ZxQuery* m_zQuery;
    
};

} // Zbl

#endif // ZXITEM_H