mirror of
https://invent.kde.org/graphics/okular
synced 2024-10-30 06:46:01 +00:00
106e96240c
exception to this is the ActionDocumentAction, renamed to DocumentAction and whose id is DocAction svn path=/trunk/KDE/kdegraphics/okular/; revision=660523
242 lines
7.3 KiB
C++
242 lines
7.3 KiB
C++
/***************************************************************************
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* Copyright (C) 2004-2006 by Albert Astals Cid <tsdgeos@terra.es> *
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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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#include "toc.h"
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// qt/kde includes
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#include <qdom.h>
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#include <qheaderview.h>
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#include <qlayout.h>
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#include <qstringlist.h>
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#include <qtreewidget.h>
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#include <qvariant.h>
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#include <kicon.h>
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#include <klocale.h>
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#include <ktreewidgetsearchline.h>
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// local includes
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#include "pageitemdelegate.h"
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#include "core/action.h"
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#include "core/document.h"
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#include "core/page.h"
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class TOCItem : public QTreeWidgetItem
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{
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public:
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TOCItem( QTreeWidget *parent, TOCItem *after, Okular::Document *document, const QDomElement & e )
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: QTreeWidgetItem( parent, after )
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{
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init( document, e );
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}
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TOCItem( QTreeWidgetItem *parent, TOCItem *after, Okular::Document *document, const QDomElement & e )
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: QTreeWidgetItem( parent, after )
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{
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init( document, e );
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}
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void init( Okular::Document *document, const QDomElement & e )
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{
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// viewport loading
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if ( e.hasAttribute( "Viewport" ) )
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{
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// if the node has a viewport, set it
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m_viewport = Okular::DocumentViewport( e.attribute( "Viewport" ) );
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}
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else if ( e.hasAttribute( "ViewportName" ) )
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{
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// if the node references a viewport, get the reference and set it
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const QString & page = e.attribute( "ViewportName" );
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QString viewport = document->metaData( "NamedViewport", page ).toString();
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if ( !viewport.isNull() )
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m_viewport = Okular::DocumentViewport( viewport );
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}
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if ( m_viewport.isValid() )
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{
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setData( 0, PageItemDelegate::PageRole, QString::number( m_viewport.pageNumber + 1 ) );
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QString label = document->page( m_viewport.pageNumber )->label();
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if ( !label.isEmpty() )
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setData( 0, PageItemDelegate::PageLabelRole, label );
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}
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m_extFileName = e.attribute( "ExternalFileName" );
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setText( 0, e.tagName() );
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}
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QString externalFileName() const
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{
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return m_extFileName;
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}
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const Okular::DocumentViewport& viewport() const
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{
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return m_viewport;
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}
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void setCurrent( bool selected )
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{
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setIcon( 0, selected ? KIcon( treeWidget()->layoutDirection() == Qt::RightToLeft ? "arrow-left" : "arrow-right" ) : QIcon() );
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}
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private:
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Okular::DocumentViewport m_viewport;
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QString m_extFileName;
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};
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TOC::TOC(QWidget *parent, Okular::Document *document) : QWidget(parent), m_document(document), m_current(0), m_currentPage(-1)
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{
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QVBoxLayout *mainlay = new QVBoxLayout( this );
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mainlay->setMargin( 0 );
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QHBoxLayout *searchlay = new QHBoxLayout();
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searchlay->setMargin( 2 );
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searchlay->setSpacing( 2 );
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mainlay->addLayout( searchlay );
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m_searchLine = new KTreeWidgetSearchLine( this );
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searchlay->addWidget( m_searchLine );
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m_treeView = new QTreeWidget( this );
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mainlay->addWidget( m_treeView );
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QStringList cols;
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cols.append( "Topics" );
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m_treeView->setHeaderLabels( cols );
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m_treeView->setSortingEnabled( false );
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m_treeView->setRootIsDecorated( true );
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m_treeView->setAlternatingRowColors( true );
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m_treeView->setItemDelegate( new PageItemDelegate( m_treeView ) );
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m_treeView->header()->hide();
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m_treeView->setSelectionBehavior( QAbstractItemView::SelectRows );
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connect( m_treeView, SIGNAL( itemClicked( QTreeWidgetItem *, int ) ), this, SLOT( slotExecuted( QTreeWidgetItem * ) ) );
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connect( m_treeView, SIGNAL( itemActivated( QTreeWidgetItem *, int ) ), this, SLOT( slotExecuted( QTreeWidgetItem * ) ) );
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m_searchLine->addTreeWidget( m_treeView );
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}
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TOC::~TOC()
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{
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m_document->removeObserver( this );
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}
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uint TOC::observerId() const
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{
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return TOC_ID;
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}
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void TOC::notifySetup( const QVector< Okular::Page * > & /*pages*/, bool documentChanged )
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{
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if ( !documentChanged )
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return;
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// clear contents
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m_treeView->clear();
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m_searchLine->clear();
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m_current = 0;
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m_currentPage = -1;
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// request synopsis description (is a dom tree)
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const Okular::DocumentSynopsis * syn = m_document->documentSynopsis();
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// if not present, disable the contents tab
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if ( !syn )
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{
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emit hasTOC( false );
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return;
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}
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// else populate the listview and enable the tab
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addChildren( *syn );
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emit hasTOC( true );
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}
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void TOC::notifyViewportChanged( bool /*smoothMove*/ )
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{
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int newpage = m_document->viewport().pageNumber;
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if ( m_currentPage == newpage )
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return;
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m_currentPage = newpage;
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if ( m_current )
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{
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m_current->setCurrent( false );
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m_current = 0;
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}
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QTreeWidgetItemIterator it( m_treeView );
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while ( (*it) && !m_current )
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{
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TOCItem *tmp = dynamic_cast<TOCItem*>( *it );
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int p = tmp ? tmp->viewport().pageNumber : -1;
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if ( p == newpage )
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{
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m_current = tmp;
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if (m_current)
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m_current->setCurrent( true );
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}
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++it;
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}
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}
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void TOC::reparseConfig()
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{
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m_treeView->update();
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}
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void TOC::addChildren( const QDomNode & parentNode, QTreeWidgetItem * parentItem )
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{
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// keep track of the current listViewItem
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TOCItem * currentItem = 0;
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QDomNode n = parentNode.firstChild();
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while( !n.isNull() )
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{
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// convert the node to an element (sure it is)
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QDomElement e = n.toElement();
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// insert the entry as top level (listview parented) or 2nd+ level
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if ( !parentItem )
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currentItem = new TOCItem( m_treeView, currentItem, m_document, e );
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else
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currentItem = new TOCItem( parentItem, currentItem, m_document, e );
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// descend recursively and advance to the next node
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if ( e.hasChildNodes() )
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addChildren( n, currentItem );
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// open/keep close the item
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bool isOpen = false;
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if ( e.hasAttribute( "Open" ) )
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isOpen = QVariant( e.attribute( "Open" ) ).toBool();
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currentItem->setExpanded( isOpen );
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n = n.nextSibling();
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}
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}
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void TOC::slotExecuted( QTreeWidgetItem *i )
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{
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TOCItem* tocItem = dynamic_cast<TOCItem*>( i );
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// that filters clicks on [+] that for a strange reason don't seem to be TOCItem*
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if (tocItem == NULL)
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return;
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QString externalFileName = tocItem->externalFileName();
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if ( !externalFileName.isEmpty() )
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{
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Okular::GotoAction action( externalFileName, tocItem->viewport() );
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m_document->processAction( &action );
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}
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else
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{
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m_document->setViewport( tocItem->viewport() );
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}
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}
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#include "toc.moc"
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