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313 lines
7.5 KiB
313 lines
7.5 KiB
/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include <tqfile.h>
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#include <tqtextstream.h>
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#include <tdeparts/componentfactory.h>
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#include <util/log.h>
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#include <util/error.h>
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#include <util/fileops.h>
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#include <util/waitjob.h>
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#include <torrent/globals.h>
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#include <interfaces/guiinterface.h>
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#include "pluginmanager.h"
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#include "pluginmanagerprefpage.h"
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using namespace bt;
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namespace kt
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{
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PluginManager::PluginManager(CoreInterface* core,GUIInterface* gui) : core(core),gui(gui)
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{
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unloaded.setAutoDelete(false);
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plugins.setAutoDelete(false);
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prefpage = 0;
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pltoload.append("Info Widget");
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pltoload.append("Search");
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}
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PluginManager::~PluginManager()
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{
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delete prefpage;
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unloaded.setAutoDelete(true);
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plugins.setAutoDelete(true);
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}
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void PluginManager::loadPluginList()
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{
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TDETrader::OfferList offers = TDETrader::self()->query("KTorrent/Plugin");
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TDETrader::OfferList::ConstIterator iter;
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for(iter = offers.begin(); iter != offers.end(); ++iter)
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{
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KService::Ptr service = *iter;
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int errCode = 0;
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Plugin* plugin =
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KParts::ComponentFactory::createInstanceFromService<kt::Plugin>
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(service, 0, 0, TQStringList(),&errCode);
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if (!plugin)
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continue;
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if (!plugin->versionCheck(kt::VERSION_STRING))
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{
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Out(SYS_GEN|LOG_NOTICE) <<
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TQString("Plugin %1 version does not match KTorrent version, unloading it.")
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.arg(service->library()) << endl;
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delete plugin;
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// unload the library again, no need to have it loaded
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KLibLoader::self()->unloadLibrary(service->library().local8Bit());
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continue;
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}
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unloaded.insert(plugin->getName(),plugin);
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if (pltoload.contains(plugin->getName()))
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load(plugin->getName());
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}
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if (!prefpage)
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{
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prefpage = new PluginManagerPrefPage(this);
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gui->addPrefPage(prefpage);
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}
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prefpage->updatePluginList();
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}
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void PluginManager::load(const TQString & name)
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{
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Plugin* p = unloaded.find(name);
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if (!p)
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return;
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Out(SYS_GEN|LOG_NOTICE) << "Loading plugin "<< p->getName() << endl;
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p->setCore(core);
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p->setGUI(gui);
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p->load();
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gui->mergePluginGui(p);
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unloaded.erase(name);
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plugins.insert(p->getName(),p);
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p->loaded = true;
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if (!cfg_file.isNull())
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saveConfigFile(cfg_file);
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}
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void PluginManager::unload(const TQString & name)
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{
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Plugin* p = plugins.find(name);
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if (!p)
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return;
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// first shut it down properly
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bt::WaitJob* wjob = new WaitJob(2000);
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try
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{
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p->shutdown(wjob);
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if (wjob->needToWait())
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bt::WaitJob::execute(wjob);
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else
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delete wjob;
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}
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catch (Error & err)
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{
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Out(SYS_GEN|LOG_NOTICE) << "Error when unloading plugin: " << err.toString() << endl;
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}
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gui->removePluginGui(p);
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p->unload();
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plugins.erase(name);
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unloaded.insert(p->getName(),p);
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p->loaded = false;
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if (!cfg_file.isNull())
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saveConfigFile(cfg_file);
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}
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void PluginManager::loadAll()
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{
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bt::PtrMap<TQString,Plugin>::iterator i = unloaded.begin();
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while (i != unloaded.end())
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{
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Plugin* p = i->second;
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p->setCore(core);
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p->setGUI(gui);
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p->load();
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gui->mergePluginGui(p);
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plugins.insert(p->getName(),p);
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p->loaded = true;
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i++;
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}
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unloaded.clear();
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if (!cfg_file.isNull())
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saveConfigFile(cfg_file);
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}
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void PluginManager::unloadAll(bool save)
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{
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// first properly shutdown all plugins
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bt::WaitJob* wjob = new WaitJob(2000);
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try
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{
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bt::PtrMap<TQString,Plugin>::iterator i = plugins.begin();
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while (i != plugins.end())
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{
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Plugin* p = i->second;
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p->shutdown(wjob);
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i++;
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}
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if (wjob->needToWait())
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bt::WaitJob::execute(wjob);
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else
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delete wjob;
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}
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catch (Error & err)
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{
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Out(SYS_GEN|LOG_NOTICE) << "Error when unloading all plugins: " << err.toString() << endl;
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}
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// then unload them
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bt::PtrMap<TQString,Plugin>::iterator i = plugins.begin();
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while (i != plugins.end())
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{
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Plugin* p = i->second;
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gui->removePluginGui(p);
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p->unload();
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unloaded.insert(p->getName(),p);
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p->loaded = false;
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i++;
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}
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plugins.clear();
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if (save && !cfg_file.isNull())
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saveConfigFile(cfg_file);
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}
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void PluginManager::updateGuiPlugins()
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{
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bt::PtrMap<TQString,Plugin>::iterator i = plugins.begin();
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while (i != plugins.end())
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{
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Plugin* p = i->second;
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p->guiUpdate();
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i++;
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}
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}
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void PluginManager::fillPluginList(TQPtrList<Plugin> & plist)
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{
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bt::PtrMap<TQString,Plugin>::iterator i = plugins.begin();
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while (i != plugins.end())
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{
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Plugin* p = i->second;
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plist.append(p);
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i++;
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}
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i = unloaded.begin();
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while (i != unloaded.end())
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{
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Plugin* p = i->second;
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plist.append(p);
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i++;
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}
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}
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bool PluginManager::isLoaded(const TQString & name) const
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{
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const Plugin* p = plugins.find(name);
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return p != 0;
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}
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void PluginManager::loadConfigFile(const TQString & file)
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{
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cfg_file = file;
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// make a default config file if doesn't exist
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if (!bt::Exists(file))
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{
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writeDefaultConfigFile(file);
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return;
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}
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TQFile f(file);
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if (!f.open(IO_ReadOnly))
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{
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Out(SYS_GEN|LOG_DEBUG) << "Cannot open file " << file << " : " << TQString(f.errorString()) << endl;
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return;
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}
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pltoload.clear();
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TQTextStream in(&f);
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while (!in.atEnd())
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{
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TQString l = in.readLine();
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if (l.isNull())
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break;
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pltoload.append(l);
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}
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}
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void PluginManager::saveConfigFile(const TQString & file)
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{
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cfg_file = file;
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TQFile f(file);
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if (!f.open(IO_WriteOnly))
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{
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Out(SYS_GEN|LOG_DEBUG) << "Cannot open file " << file << " : " << TQString(f.errorString()) << endl;
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return;
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}
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TQTextStream out(&f);
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bt::PtrMap<TQString,Plugin>::iterator i = plugins.begin();
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while (i != plugins.end())
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{
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Plugin* p = i->second;
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out << p->getName() << endl;
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i++;
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}
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}
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void PluginManager::writeDefaultConfigFile(const TQString & file)
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{
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// by default we will load the infowidget and searchplugin
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TQFile f(file);
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if (!f.open(IO_WriteOnly))
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{
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Out(SYS_GEN|LOG_DEBUG) << "Cannot open file " << file << " : " << TQString(f.errorString()) << endl;
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return;
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}
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TQTextStream out(&f);
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out << "Info Widget" << endl << "Search" << endl;
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pltoload.clear();
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pltoload.append("Info Widget");
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pltoload.append("Search");
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}
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}
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