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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "BaseCoreApplication.h"
#include "Debug.h"
#include "ErrorHandler.h"
#include "InterruptionHandler.h"
#include "XmlOptions.h"
#include <signal.h>
//____________________________________________
BaseCoreApplication::BaseCoreApplication( QObject* parent, CommandLineArguments arguments ) :
QObject( parent ),
arguments_( arguments )
{
Debug::Throw( "BaseCoreApplication::BaseCoreApplication.\n" );
// install interuption handler
InterruptionHandler::initialize();
// install error handler
ErrorHandler::initialize();
// configuration
connect( this, SIGNAL(configurationChanged()), SLOT(_updateConfiguration()) );
}
//____________________________________________
BaseCoreApplication::~BaseCoreApplication()
{
Debug::Throw( "BaseCoreApplication::~BaseCoreApplication.\n" );
emit saveConfiguration();
XmlOptions::write();
if( _hasApplicationManager() )
{
delete applicationManager_;
applicationManager_ = 0;
}
ErrorHandler::get().exit();
}
//____________________________________________
bool BaseCoreApplication::initApplicationManager()
{
Debug::Throw() << "BaseCoreApplication::initApplicationManager - arguments: " << arguments_.get().join( " " ) << endl;
// check if already initialized
if( _hasApplicationManager() ) return true;
// assign application name to qapplication
qApp->setApplicationName( applicationName() );
// parse arguments
auto parser( commandLineParser( arguments_ ) );
if( parser.hasFlag( "--help" ) )
{
usage();
return false;
} else if( parser.hasFlag( "--version" ) ) {
Debug::Throw(0) << "Qt: " << qVersion() << endl;
Debug::Throw(0) << applicationName() << ": " << applicationVersion();
Debug::Throw(0) << "" << endl;
return false;
} else if( parser.hasFlag( "--no-server" ) ) {
realizeWidget();
return true;
}
// create application manager
applicationManager_ = new Server::ApplicationManager( this );
applicationManager_->setApplicationName( applicationName() );
// connections
connect( applicationManager_, SIGNAL(commandRecieved(Server::ServerCommand)), SLOT(_processCommand(Server::ServerCommand)) );
// initialization
applicationManager_->initialize( arguments_ );
return true;
}
//____________________________________________
bool BaseCoreApplication::realizeWidget()
{
Debug::Throw( "BaseCoreApplication::realizeWidget.\n" );
//* check if the method has already been called.
if( realized_ ) return false;
realized_ = true;
return true;
}
//_______________________________________________
CommandLineParser BaseCoreApplication::commandLineParser( CommandLineArguments arguments, bool ignoreWarnings ) const
{
Debug::Throw() << "BaseCoreApplication::commandLineParser" << endl;
CommandLineParser out( Server::ApplicationManager::commandLineParser() );
out.setGroup( CommandLineParser::applicationGroupName );
out.registerFlag( CommandLineParser::Tag( "--help", "-h" ), QObject::tr( "print this help and exit" ) );
out.registerFlag( CommandLineParser::Tag( "--version", "-v" ), QObject::tr( "print application version and exits" ) );
if( !arguments.isEmpty() )
{ out.parse( arguments, ignoreWarnings ); }
return out;
}
//__________________________________________________________________
void BaseCoreApplication::sendServerCommand( Server::ServerCommand::CommandType type )
{
Debug::Throw( "BaseCoreApplication::sendServerCommand.\n" );
{ if( _hasApplicationManager() ) sendServerCommand( Server::ServerCommand( _applicationManager().id(), type ) ); }
}
//__________________________________________________________________
void BaseCoreApplication::sendServerCommand( Server::ServerCommand command )
{
Debug::Throw( "BaseCoreApplication::sendServerCommand.\n" );
if( _hasApplicationManager() ) _applicationManager().client().sendCommand( command );
}
//________________________________________________
bool BaseCoreApplication::_processCommand( Server::ServerCommand command )
{
Debug::Throw() << "BaseCoreApplication::_processCommand: " << command.commandName() << endl;
switch( command.command() )
{
case Server::ServerCommand::Accepted:
realizeWidget();
return true;
case Server::ServerCommand::Abort:
case Server::ServerCommand::Denied:
qApp->quit();
return true;
default:
break;
}
return false;
}
//_______________________________________________
void BaseCoreApplication::_updateConfiguration()
{
Debug::Throw( "BaseCoreApplication::_updateConfiguration.\n" );
// debug
Debug::setLevel( XmlOptions::get().get<int>( "DEBUG_LEVEL" ) );
// emit signal to propagate changes to other widgets
Debug::Throw( "BaseCoreApplication::_updateConfiguration - done.\n" );
}
//_______________________________________________
void BaseCoreApplication::_usage( QString application, QString options ) const
{
QTextStream( stdout ) << tr( "Usage: " ) << endl;
QTextStream( stdout ) << " " << application << " " << options << endl;
}
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