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/***************************************************************************
pluginloader.cpp
-------------------
begin : Thu Feb 12 2009
copyright : (C) 2009 Cristian Onet
email : onet.cristian@gmail.com
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
// ----------------------------------------------------------------------------
// QT Includes
#include <tqstringlist.h>
#include <tqcheckbox.h>
#include <tqlayout.h>
// ----------------------------------------------------------------------------
// KDE Includes
#include <ktrader.h>
#include <tdeparts/componentfactory.h>
#include <kdebug.h>
#include <kdialog.h>
#include <tdeconfig.h>
#include <kpluginselector.h>
#include <klocale.h>
// ----------------------------------------------------------------------------
// Project Includes
#include "kmymoneyplugin.h"
#include "pluginloader.h"
namespace KMyMoneyPlugin {
//---------------------------------------------------------------------
//
// PluginLoader
//
//---------------------------------------------------------------------
static PluginLoader* s_instance = 0;
typedef TQMap<TQString, Plugin*> PluginsMap;
struct PluginLoader::Private
{
TQObject* m_parent;
KPluginInfo::List m_pluginList;
KPluginSelector* m_pluginSelector;
PluginsMap m_loadedPlugins;
};
PluginLoader::PluginLoader(TQObject* parent)
{
Q_ASSERT( s_instance == 0 );
s_instance = this;
d = new Private;
d->m_parent = parent;
KTrader::OfferList offers = KTrader::self()->query("KMyMoneyPlugin");
d->m_pluginList = KPluginInfo::fromServices(offers);
d->m_pluginSelector = new KPluginSelector(NULL);
d->m_pluginSelector->setShowEmptyConfigPage(false);
d->m_pluginSelector->addPlugins(d->m_pluginList);
d->m_pluginSelector->load();
connect(d->m_pluginSelector, TQT_SIGNAL(changed(bool)), this, TQT_SLOT(changed()));
connect(d->m_pluginSelector, TQT_SIGNAL(configCommitted(const TQCString &)), this, TQT_SLOT(changedConfigOfPlugin(const TQCString &)));
}
PluginLoader::~PluginLoader()
{
delete d;
}
void PluginLoader::loadPlugins()
{
for( KPluginInfo::List::Iterator it = d->m_pluginList.begin(); it != d->m_pluginList.end(); ++it )
loadPlugin( *it );
}
void PluginLoader::loadPlugin(KPluginInfo* info)
{
if (info->isPluginEnabled()) {
Plugin* plugin = getPluginFromInfo(info);
if (!plugin) {
// the plugin is enabled but it is not loaded
KService::Ptr service = info->service();
int error = 0;
Plugin* plugin = KParts::ComponentFactory
::createInstanceFromService<Plugin>(service, d->m_parent, info->name().utf8(), TQStringList(), &error);
if (plugin) {
kdDebug() << "KMyMoneyPlugin::PluginLoader: Loaded plugin " << plugin->name() << endl;
d->m_loadedPlugins.insert(info->name(), plugin);
emit PluginLoader::instance()->plug(info);
}
else {
kdWarning() << "KMyMoneyPlugin::PluginLoader:: createInstanceFromService returned 0 for "
<< info->name()
<< " with error number "
<< error << endl;
if (error == KParts::ComponentFactory::ErrNoLibrary)
kdWarning() << "KLibLoader says: "
<< KLibLoader::self()->lastErrorMessage() << endl;
}
}
}
else {
if (getPluginFromInfo(info) != NULL) {
// everybody interested should say goodbye to the plugin
emit PluginLoader::instance()->unplug(info);
d->m_loadedPlugins.erase(info->name());
}
}
}
void PluginLoader::changed()
{
loadPlugins();
}
void PluginLoader::changedConfigOfPlugin(const TQCString & name)
{
PluginsMap::iterator itPlugin = d->m_loadedPlugins.find(TQString(name));
if (itPlugin != d->m_loadedPlugins.end())
configChanged(*itPlugin);
}
Plugin* PluginLoader::getPluginFromInfo(KPluginInfo* info)
{
PluginsMap::iterator itPlugin = d->m_loadedPlugins.find(info->name());
if (itPlugin != d->m_loadedPlugins.end())
return *itPlugin;
else
return NULL;
}
PluginLoader* PluginLoader::instance()
{
Q_ASSERT( s_instance != 0);
return s_instance;
}
KPluginSelector* PluginLoader::pluginSelectorWidget()
{
return d->m_pluginSelector;
}
} // namespace
#include "pluginloader.moc"
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