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k3b/libk3b/plugin/k3bpluginmanager.cpp

190 lines
4.8 KiB

/*
*
* $Id: k3bpluginmanager.cpp 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* 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.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bpluginmanager.h"
#include "k3bplugin.h"
#include "k3bpluginconfigwidget.h"
#include <k3bversion.h>
#include <kdebug.h>
#include <ksimpleconfig.h>
#include <klocale.h>
#include <kglobal.h>
#include <kstandarddirs.h>
#include <kdialogbase.h>
#include <kmessagebox.h>
#include <klibloader.h>
#include <qptrlist.h>
#include <qmap.h>
#include <qdir.h>
class K3bPluginManager::Private
{
public:
QPtrList<K3bPlugin> plugins;
};
K3bPluginManager::K3bPluginManager( QObject* parent, const char* name )
: QObject( parent, name )
{
d = new Private();
}
K3bPluginManager::~K3bPluginManager()
{
delete d;
}
QStringList K3bPluginManager::groups() const
{
QStringList grps;
QPtrList<K3bPlugin> fl;
for( QPtrListIterator<K3bPlugin> it( d->plugins );
it.current(); ++it ) {
if( !grps.contains( it.current()->group() ) )
grps.append( it.current()->group() );
}
return grps;
}
QPtrList<K3bPlugin> K3bPluginManager::plugins( const QString& group ) const
{
QPtrList<K3bPlugin> fl;
for( QPtrListIterator<K3bPlugin> it( d->plugins );
it.current(); ++it ) {
if( it.current()->group() == group || group.isEmpty() )
fl.append( it.current() );
}
return fl;
}
void K3bPluginManager::loadPlugin( const QString& fileName )
{
KSimpleConfig c( fileName, true );
c.setGroup( "K3b Plugin" );
QString libName = c.readEntry( "Lib" );
if( libName.isEmpty() ) {
kdDebug() << "(K3bPluginManager) no Lib specified in " << fileName << endl;
return;
}
// read the lib
KLibFactory* factory = KLibLoader::self()->factory( libName.latin1() );
if( factory ) {
K3bPlugin* plugin = dynamic_cast<K3bPlugin*>( factory->create( this ) );
if( plugin ) {
// FIXME: improve this versioning stuff
if( plugin->pluginSystemVersion() != K3B_PLUGIN_SYSTEM_VERSION ) {
delete plugin;
kdDebug() << "(K3bPluginManager) plugin system does not fit lib " << libName << endl;
}
else {
plugin->m_pluginInfo = K3bPluginInfo( libName,
c.readEntry( "Name" ),
c.readEntry( "Author" ),
c.readEntry( "Email" ),
c.readEntry( "Comment" ),
c.readEntry( "Version" ),
c.readEntry( "License" ) );
// make sure to only use the latest version of one plugin
bool addPlugin = true;
for( QPtrListIterator<K3bPlugin> it( d->plugins ); *it; ++it ) {
if( it.current()->pluginInfo().name() == plugin->pluginInfo().name() ) {
if( K3bVersion(it.current()->pluginInfo().version()) < K3bVersion(plugin->pluginInfo().version()) ) {
K3bPlugin* p = it.current();
d->plugins.removeRef( p );
delete p;
}
else {
addPlugin = false;
}
break;
}
}
if( addPlugin )
d->plugins.append( plugin );
else
delete plugin;
}
}
else
kdDebug() << "(K3bPluginManager) lib " << libName << " not a K3b plugin" << endl;
}
else
kdDebug() << "(K3bPluginManager) lib " << libName << " not found" << endl;
}
void K3bPluginManager::loadAll()
{
// we simply search the K3b plugin dir for now
QStringList dirs = KGlobal::dirs()->findDirs( "data", "k3b/plugins/" );
for( QStringList::const_iterator it = dirs.begin();
it != dirs.end(); ++it ) {
QStringList entries = QDir(*it).entryList( "*.plugin", QDir::Files );
for( QStringList::const_iterator it2 = entries.begin();
it2 != entries.end(); ++it2 ) {
loadPlugin( *it + *it2 );
}
}
}
int K3bPluginManager::pluginSystemVersion() const
{
return K3B_PLUGIN_SYSTEM_VERSION;
}
int K3bPluginManager::execPluginDialog( K3bPlugin* plugin, QWidget* parent, const char* name )
{
KDialogBase dlg( parent,
name,
true,
i18n("Configure plugin %1").arg( plugin->pluginInfo().name() ) );
K3bPluginConfigWidget* configWidget = plugin->createConfigWidget( &dlg );
if( configWidget ) {
dlg.setMainWidget( configWidget );
connect( &dlg, SIGNAL(applyClicked()), configWidget, SLOT(saveConfig()) );
connect( &dlg, SIGNAL(okClicked()), configWidget, SLOT(saveConfig()) );
configWidget->loadConfig();
int r = dlg.exec();
delete configWidget;
return r;
}
else {
KMessageBox::sorry( parent, i18n("No settings available for plugin %1.").arg( plugin->pluginInfo().name() ) );
return 0;
}
}
#include "k3bpluginmanager.moc"