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/*
This file is part of libkdepim.
Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KCONFIGPROPAGATOR_H
#define KCONFIGPROPAGATOR_H
#include <qstring.h>
#include <qvaluelist.h>
#include <qdom.h>
#include <qptrlist.h>
#include <kdepimmacros.h>
class KConfigSkeleton;
class KConfigSkeletonItem;
class KDE_EXPORT KConfigPropagator
{
public:
/**
Create KConfigPropagator object without associated source configuration.
*/
KConfigPropagator();
/**
Create KConfigPropagator object.
@param skeleton KConfigSkeleton object used as source for the propagation
@param kcfgFile file name of kcfg file containing the propagation rules
*/
KConfigPropagator( KConfigSkeleton *skeleton, const QString &kcfgFile );
virtual ~KConfigPropagator() {}
KConfigSkeleton *skeleton() { return mSkeleton; }
/*
Commit changes according to propagation rules.
*/
void commit();
class KDE_EXPORT Condition
{
public:
Condition() : isValid( false ) {}
QString file;
QString group;
QString key;
QString value;
bool isValid;
};
class KDE_EXPORT Rule
{
public:
typedef QValueList<Rule> List;
Rule() : hideValue( false ) {}
QString sourceFile;
QString sourceGroup;
QString sourceEntry;
QString targetFile;
QString targetGroup;
QString targetEntry;
Condition condition;
bool hideValue;
};
class KDE_EXPORT Change
{
public:
typedef QPtrList<Change> List;
Change( const QString &title ) : mTitle( title ) {}
virtual ~Change();
void setTitle( const QString &title ) { mTitle = title; }
QString title() const { return mTitle; }
virtual QString arg1() const { return QString::null; }
virtual QString arg2() const { return QString::null; }
virtual void apply() = 0;
private:
QString mTitle;
};
class KDE_EXPORT ChangeConfig : public Change
{
public:
ChangeConfig();
~ChangeConfig() {}
QString arg1() const;
QString arg2() const;
void apply();
QString file;
QString group;
QString name;
QString label;
QString value;
bool hideValue;
};
void updateChanges();
Change::List changes();
Rule::List rules();
protected:
void init();
/**
Implement this function in a subclass if you want to add changes which
can't be expressed as propagations in the kcfg file.
*/
virtual void addCustomChanges( Change::List & ) {}
KConfigSkeletonItem *findItem( const QString &group, const QString &name );
QString itemValueAsString( KConfigSkeletonItem * );
void readKcfgFile();
Rule parsePropagation( const QDomElement &e );
Condition parseCondition( const QDomElement &e );
void parseConfigEntryPath( const QString &path, QString &file,
QString &group, QString &entry );
private:
KConfigSkeleton *mSkeleton;
QString mKcfgFile;
Rule::List mRules;
Change::List mChanges;
};
#endif
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