/***************************************************************************
 *                                                                         *
 *   begin        : 07 May 2004                                            *
 *   copyright    : (C) 2003 by Samokhvalov Anton <red____hat@mail.ru> :)  *
 *                                                                         *
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "chm_part.h"
#include "chm_part.moc"

#include <kinstance.h>
#include <kaction.h>
#include <kactionclasses.h>
#include <kstdaction.h>
#include <kfiledialog.h>
#include <kparts/genericfactory.h>

#include <qfile.h>
#include <qtextstream.h>

#include "MainView.h"
#include "SizeBox.h"
#include "Encoding.h"

typedef KParts::GenericFactory<ChmPart> ChmPartFactory;
K_EXPORT_COMPONENT_FACTORY( libchmnewpart, ChmPartFactory )

ChmPart::ChmPart( QWidget *parentWidget, const char *widgetName,
                                  QObject *parent, const char *name,
                                  const QStringList & /*args*/ ):
	KParts::ReadOnlyPart( parent, name )
{
	setInstance( ChmPartFactory::instance() );
	setXMLFile( "chmnew_part.rc" );
	
	m_widget = new MainView( "", actionCollection(), parentWidget, widgetName );
	setWidget( m_widget );
	
	KStdAction::up( this, SLOT(slotUp()), actionCollection(), "up" );
	KStdAction::back( this, SLOT(slotBack()), actionCollection(), "back" );
	KStdAction::forward( this, SLOT(slotForward()), actionCollection(), "forward" );
	KStdAction::home( this, SLOT(slotHome()), actionCollection(), "home" );
	slotChangeState( false, false, false );
	
	SizeBox* sb = new SizeBox( 0, "sb" );
	Encoding* enc = new Encoding( 0, "enc" );
	
	new KWidgetAction( sb, "size_box", KShortcut(), this, 0, actionCollection(), "name" );
	new KWidgetAction( enc, "select_encoding", KShortcut(),
		this, 0, actionCollection(), "select_encoding" );
	KAction* hide = new KToggleAction( i18n("Hide topic tree"),
		"view_remove", 0, actionCollection(), "hide_tree" );
		
	connect( hide, SIGNAL(toggled(bool)), m_widget, SLOT(slotHideTopicTree(bool)) );
	connect( sb, SIGNAL(sizeChanged(int)), m_widget, SLOT(slotSetZoom(int)) );
	connect( enc, SIGNAL(codecChanged(QTextCodec*)),
		m_widget, SLOT(slotSetCodec(QTextCodec*)) );
	connect( m_widget, SIGNAL(codecChanged(QTextCodec*)),
		enc, SLOT(slotSetCodec(QTextCodec*)) );
	connect( m_widget, SIGNAL(changeState(bool,bool,bool)), this, SLOT(slotChangeState(bool,bool,bool)) );
}

ChmPart::~ChmPart()
{
}

KAboutData *ChmPart::createAboutData()
{
    KAboutData *aboutData = new KAboutData("chmnewpart", I18N_NOOP("ChmNewPart"), "0.1");
    aboutData->addAuthor("Anton Samokhvalov", 0, "red___hat@mail.ru");
    return aboutData;
}

bool ChmPart::openFile()
{
	return m_widget->openFile( m_file );
}

void ChmPart::slotUp()
{
	m_widget->up();
}

void ChmPart::slotBack()
{
	m_widget->back();
}

void ChmPart::slotForward()
{
	m_widget->forward();
}

void ChmPart::slotHome()
{
	m_widget->home();
}

void ChmPart::slotChangeState( bool up, bool back, bool forward )
{
	actionCollection()->action( "up" )->setEnabled( up );
	actionCollection()->action( "back" )->setEnabled( back );
	actionCollection()->action( "forward" )->setEnabled( forward );
}