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tdegraphics/kghostview/kgvfactory.cpp

106 lines
2.8 KiB

/**
* Copyright (C) 2003, Luís Pedro Coelho,
* based on kdelibs/kparts/genericfactory.h
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <kparts/factory.h>
#include <kparts/part.h>
#include <kgenericfactory.h>
#include <kaboutdata.h>
#include <kdebug.h>
#include "kgv_view.h"
#include "kgvfactory.h"
KGVFactory::KGVFactory()
{
if ( s_self )
kdWarning() << "KGVFactory instantiated more than once!" << endl;
s_self = this;
}
KGVFactory::~KGVFactory()
{
delete s_aboutData;
delete s_instance;
s_aboutData = 0;
s_instance = 0;
s_self = 0;
}
KInstance *KGVFactory::createInstance()
{
KInstance* res = new KInstance( aboutData() );
return res;
}
KGVFactory *KGVFactory::s_self;
KInstance *KGVFactory::s_instance;
KAboutData *KGVFactory::s_aboutData;
KParts::Part *KGVFactory::createPartObject( QWidget *parentWidget, const char *widgetName,
QObject *parent, const char *name,
const char *className,
const QStringList &args_ )
{
QStringList args = args_;
/* Below is the reason why we must
* have our own factory instead of
* typedef KParts::GenericFactory<KGVPart> KGVFactory
*
* as we did before.
*/
args << QString::fromLatin1( className );
if ( !strcmp( className, "Browser/View" ) ) {
className = "KParts::ReadOnlyPart";
}
KGVPart *part = KDEPrivate::ConcreteFactory<KGVPart>::create( parentWidget,
widgetName,
parent,
name,
className,
args );
if ( part && !qstrcmp( className, "KParts::ReadOnlyPart" ) )
{
KParts::ReadWritePart *rwp = dynamic_cast<KParts::ReadWritePart *>( part );
if ( rwp )
rwp->setReadWrite( false );
}
return part;
}
KInstance *KGVFactory::instance()
{
if ( !s_instance )
{
if ( s_self )
s_instance = s_self->createInstance();
else
s_instance = new KInstance( aboutData() );
}
return s_instance;
}
KAboutData *KGVFactory::aboutData()
{
if ( !s_aboutData )
s_aboutData = KGVPart::createAboutData();
return s_aboutData;
}