diagramcontext.h

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/*
        Copyright 2006-2024 The QElectroTech Team
        This file is part of QElectroTech.
 
        QElectroTech 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 2 of the License, or
        (at your option) any later version.
 
        QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DIAGRAM_CONTEXT_H
#define DIAGRAM_CONTEXT_H
#include "pugixml/src/pugixml.hpp"
 
#include <QDomElement>
#include <QHash>
#include <QSettings>
#include <QString>
#include <QStringList>
#include <QVariant>
class DiagramContext
{
        public:
                enum KeyOrder {
                        None,
                        Alphabetical,
                        DecreasingLength
                };
        
                void add(DiagramContext other);
                void remove(const QString &key);
                QList<QString> keys(KeyOrder = None) const;
                bool contains(const QString &) const;
                const QVariant operator[](const QString &) const;
                bool addValue(const QString &, const QVariant &, bool show = true);
                QVariant value(const QString &key) const;
                void clear();
                int count();
                bool keyMustShow (const QString &) const;
                
                bool operator==(const DiagramContext &) const;
                bool operator!=(const DiagramContext &) const;
                
                void toXml(QDomElement &, const QString & = "property") const;
                void fromXml(const QDomElement &, const QString & = "property");
                void fromXml(const pugi::xml_node &dom_element, const QString &tag_name = "property");
                void toSettings(QSettings &, const QString &) const;
                void fromSettings(QSettings &, const QString &);
 
                static bool isKeyAcceptable(const QString &);
        
        private:
                static bool stringLongerThan(const QString &, const QString &);
                static QString validKeyRegExp();
 
                QHash<QString, QVariant> m_content;
                QHash<QString, bool> m_content_show;
};
 
QDebug operator <<(QDebug debug, const DiagramContext &context);
#endif