/***************************************************************************
 *                                                                         *
 *   begin        : 15 Jan 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 <qtimer.h>
#include <qdatastream.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qaccel.h>
#include <qvbox.h>
#include <qtoolbutton.h>

#include <kaction.h>
#include <kapplication.h>
#include <kmainwindow.h>
#include <ktempfile.h>
#include <khtmlview.h>
#include <kactioncollection.h>
#include <ktabwidget.h>
#include <kiconloader.h>

#include "Def.h"
#include "History.h"
#include "MainView.h"
#include "TopicTree.h"
#include "HtmlView.h"
#include "TabbedHtml.h"

#include <chmxx.h>

#ifndef FOR_KPART

#include "Exceptions.h"
#include "Container.h"

MainView::MainView( Container& cont, QWidget* parent, const char* name ):
	QSplitter( parent, name ),
	d_topic_tree( 0 ),
	d_html_view( 0 ),
	d_status_bar( 0 )
{
	setFocusPolicy( QWidget::StrongFocus );
	
	KTempFile tmp( QString::null, ".chm" );
	if ( tmp.status() != 0 )
	{
		throw FileException( i18n( "can not create temporary file" ) );
	}

	QDataStream* s = tmp.dataStream();
	const vector< char >& t = cont.getData();
	s->writeRawBytes( &(*t.begin()), t.size() );
	tmp.close();
	
	construct( tmp.name() );
}

#endif

MainView::MainView( const QString& fname, KActionCollection* ac,
	QWidget* parent, const char* name ):
	QSplitter( parent, name ),
	d_topic_tree( 0 ),
	d_html_view( 0 ),
	d_status_bar( 0 ),
	d_ac( ac ),
	d_fname( fname )
{
	construct( fname );
}

void MainView::construct( const QString& fname )
{
	setFocusPolicy( QWidget::StrongFocus );
				   
	chm::chmfile* file = new chm::chmfile( (const char*)(fname.local8Bit()) );
	d_topic_tree = new TopicTree( this, "d_topic_tree" );
	d_html_view = new TabbedHtml( d_fname, d_ac, this, this, "qw" );
	//d_html_view = new HtmlView( d_fname, d_ac, this, this, "d_html_view" );
	
	if ( file->is_open() )
	{
		d_topic_tree->slotLoad( file );
		file->close();
	}
	
	delete file;

	connect( d_topic_tree, SIGNAL(currentChanged(QListViewItem*)), d_html_view, SLOT(slotSetUrl(QListViewItem*)) );
}

MainView::~MainView()
{
}

void MainView::setStatusBarMessage( const QString& message )
{
#ifdef FOR_KPART
	emit signalSetStatusBarMessage( message );
#else
	d_status_bar->setText( message );
#endif
}

void MainView::polish()
{
	QSplitter::polish();
	if ( d_topic_tree )
	{
		d_topic_tree->setColumnWidth( 0, width()/4 );
	}
}

void MainView::up()
{
	if ( d_html_view )
	{
		d_html_view->up();
	}
}

void MainView::back()
{
	if ( d_html_view )
	{
		d_html_view->back();
	}
}

void MainView::forward()
{
	if ( d_html_view )
	{
		d_html_view->forward();
	}
}

void MainView::home()
{
	if ( d_topic_tree )
	{
		d_topic_tree->home();
	}
}

void MainView::slotChangeState( bool up_, bool back_, bool forward_ )
{
	emit changeState( up_, back_, forward_ );
}

bool MainView::openFile( const QString& fname )
{
	bool ret = false;
	
	chm::chmfile* file = new chm::chmfile( (const char*)(fname.local8Bit()) );
	
	if ( file && file->is_open() )
	{
		ret = true;
		d_topic_tree->slotLoad( file );
		file->close();
		d_html_view->setFileName( fname );
		
		emit codecChanged( d_topic_tree->getCodec() );
	}
	
	delete file;
	
	return ret;
}

void MainView::slotSetZoom( int percents )
{
	d_html_view->setZoomFactor( percents );
}

void MainView::slotHideTopicTree( bool toggled )
{
	if ( toggled )
	{
		d_topic_tree->hide();
	}
	else
	{
		d_topic_tree->show();
	}
}

TopicTree* MainView::getTopicTree()
{
	return d_topic_tree;
}

void MainView::slotSetCodec( QTextCodec* codec )
{
	d_topic_tree->setCodec( codec );
}

#include "MainView.moc"