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QxPropertyBag.h
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    00001 /****************************************************************************
    00002 **
    00003 ** http://www.qxorm.com/
    00004 ** http://sourceforge.net/projects/qxorm/
    00005 ** Original file by Lionel Marty
    00006 **
    00007 ** This file is part of the QxOrm library
    00008 **
    00009 ** This software is provided 'as-is', without any express or implied
    00010 ** warranty. In no event will the authors be held liable for any
    00011 ** damages arising from the use of this software.
    00012 **
    00013 ** GNU Lesser General Public License Usage
    00014 ** This file must be used under the terms of the GNU Lesser
    00015 ** General Public License version 2.1 as published by the Free Software
    00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the
    00017 ** packaging of this file.  Please review the following information to
    00018 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00020 **
    00021 ** If you have questions regarding the use of this file, please contact :
    00022 ** contact@qxorm.com
    00023 **
    00024 ****************************************************************************/
    00025
    00026 #ifndef _QX_PROPERTY_BAG_H_
    00027 #define _QX_PROPERTY_BAG_H_
    00028
    00029 #ifdef _MSC_VER
    00030 #pragma once
    00031 #endif
    00032
    00040 #include <boost/shared_ptr.hpp>
    00041
    00042 #include <QtCore/qhash.h>
    00043 #include <QtCore/qstring.h>
    00044 #include <QtCore/qvariant.h>
    00045
    00046 namespace qx {
    00047
    00052 class QxPropertyBag
    00053 {
    00054
    00055 protected:
    00056
    00057    typedef QHash<QString, QVariant> type_hash_prop_bag;
    00058    typedef boost::shared_ptr<type_hash_prop_bag> type_hash_prop_bag_ptr;
    00059
    00060    type_hash_prop_bag_ptr m_lstPropertyBag;
    00061
    00062 public:
    00063
    00064    QxPropertyBag() { ; }
    00065    virtual ~QxPropertyBag() { ; }
    00066
    00067    void setPropertyBag(const QString & key, const QVariant & value)  { initPropertyBag(); m_lstPropertyBag->insert(key, value); }
    00068    QVariant getPropertyBag(const QString & key) const                { return ((m_lstPropertyBag && m_lstPropertyBag->contains(key)) ? m_lstPropertyBag->value(key) : QVariant()); }
    00069    void removePropertyBag(const QString & key)                       { if (m_lstPropertyBag) { m_lstPropertyBag->remove(key); } }
    00070    void clearPropertyBag()                                           { if (m_lstPropertyBag) { m_lstPropertyBag->clear(); } }
    00071    long countPropertyBag() const                                     { return (m_lstPropertyBag ? m_lstPropertyBag->count() : 0); }
    00072    QList<QString> getAllPropertyBagKeys() const                      { return (m_lstPropertyBag ? m_lstPropertyBag->keys() : QList<QString>()); }
    00073
    00074 private:
    00075
    00076    inline void initPropertyBag()
    00077    { if (! m_lstPropertyBag) { m_lstPropertyBag.reset(new type_hash_prop_bag()); } }
    00078
    00079 };
    00080
    00081 } // namespace qx
    00082
    00083 #endif // _QX_PROPERTY_BAG_H_