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/***************************************************************************
* Copyright (C) 2004-2006 by Albert Astals Cid <aacid@kde.org> *
* *
* 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 "toc.h"
// qt/kde includes
#include <qdom.h>
#include <qheaderview.h>
#include <qlayout.h>
#include <qtreeview.h>
#include <klineedit.h>
// local includes
#include "ktreeviewsearchline.h"
#include "pageitemdelegate.h"
#include "tocmodel.h"
#include "core/action.h"
#include "core/document.h"
#include "settings.h"
TOC::TOC(QWidget *parent, Okular::Document *document) : QWidget(parent), m_document(document)
{
QVBoxLayout *mainlay = new QVBoxLayout( this );
mainlay->setMargin( 0 );
mainlay->setSpacing( 6 );
m_searchLine = new KTreeViewSearchLine( this );
mainlay->addWidget( m_searchLine );
m_searchLine->setCaseSensitivity( Okular::Settings::self()->contentsSearchCaseSensitive() ? Qt::CaseSensitive : Qt::CaseInsensitive );
m_searchLine->setRegularExpression( Okular::Settings::self()->contentsSearchRegularExpression() );
connect( m_searchLine, SIGNAL(searchOptionsChanged()), this, SLOT(saveSearchOptions()) );
m_treeView = new QTreeView( this );
mainlay->addWidget( m_treeView );
m_model = new TOCModel( document, m_treeView );
m_treeView->setModel( m_model );
m_treeView->setSortingEnabled( false );
m_treeView->setRootIsDecorated( true );
m_treeView->setAlternatingRowColors( true );
m_treeView->setItemDelegate( new PageItemDelegate( m_treeView ) );
m_treeView->header()->hide();
m_treeView->setSelectionBehavior( QAbstractItemView::SelectRows );
connect( m_treeView, SIGNAL(clicked(QModelIndex)), this, SLOT(slotExecuted(QModelIndex)) );
connect( m_treeView, SIGNAL(activated(QModelIndex)), this, SLOT(slotExecuted(QModelIndex)) );
m_searchLine->addTreeView( m_treeView );
}
TOC::~TOC()
{
m_document->removeObserver( this );
}
void TOC::notifySetup( const QVector< Okular::Page * > & /*pages*/, int setupFlags )
{
if ( !( setupFlags & Okular::DocumentObserver::DocumentChanged ) )
return;
// clear contents
m_model->clear();
// request synopsis description (is a dom tree)
const Okular::DocumentSynopsis * syn = m_document->documentSynopsis();
if ( !syn )
{
if ( m_document->isOpened() )
{
// Make sure we clear the reload old model data
m_model->setOldModelData( 0, QVector<QModelIndex>() );
}
emit hasTOC( false );
return;
}
m_model->fill( syn );
emit hasTOC( !m_model->isEmpty() );
}
void TOC::notifyCurrentPageChanged( int, int )
{
m_model->setCurrentViewport( m_document->viewport() );
}
void TOC::prepareForReload()
{
if( m_model->isEmpty() )
return;
const QVector<QModelIndex> list = expandedNodes();
TOCModel *m = m_model;
m_model = new TOCModel( m_document, m_treeView );
m_model->setOldModelData( m, list );
m->setParent( 0 );
}
void TOC::rollbackReload()
{
if( !m_model->hasOldModelData() )
return;
TOCModel *m = m_model;
m_model = m->clearOldModelData();
m_model->setParent( m_treeView );
delete m;
}
void TOC::finishReload()
{
m_treeView->setModel( m_model );
m_model->setParent( m_treeView );
}
QVector<QModelIndex> TOC::expandedNodes( const QModelIndex &parent ) const
{
QVector<QModelIndex> list;
for ( int i = 0; i < m_model->rowCount( parent ); i++ )
{
const QModelIndex index = m_model->index( i, 0, parent );
if ( m_treeView->isExpanded( index ) )
{
list << index;
}
if ( m_model->hasChildren( index ) )
{
list << expandedNodes( index );
}
}
return list;
}
void TOC::reparseConfig()
{
m_searchLine->setCaseSensitivity( Okular::Settings::contentsSearchCaseSensitive() ? Qt::CaseSensitive : Qt::CaseInsensitive );
m_searchLine->setRegularExpression( Okular::Settings::contentsSearchRegularExpression() );
m_treeView->update();
}
void TOC::slotExecuted( const QModelIndex &index )
{
if ( !index.isValid() )
return;
QString url = m_model->urlForIndex( index );
if ( !url.isEmpty() )
{
Okular::BrowseAction action( url );
m_document->processAction( &action );
return;
}
QString externalFileName = m_model->externalFileNameForIndex( index );
Okular::DocumentViewport viewport = m_model->viewportForIndex( index );
if ( !externalFileName.isEmpty() )
{
Okular::GotoAction action( externalFileName, viewport );
m_document->processAction( &action );
}
else if ( viewport.isValid() )
{
m_document->setViewport( viewport );
}
}
void TOC::saveSearchOptions()
{
Okular::Settings::setContentsSearchRegularExpression( m_searchLine->regularExpression() );
Okular::Settings::setContentsSearchCaseSensitive( m_searchLine->caseSensitivity() == Qt::CaseSensitive ? true : false );
Okular::Settings::self()->writeConfig();
}
#include "toc.moc"
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