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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpdf/ui/toc.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kpdf/ui/toc.cpp')
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diff --git a/kpdf/ui/toc.cpp b/kpdf/ui/toc.cpp
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+/***************************************************************************
+ * Copyright (C) 2004-2006 by Albert Astals Cid <tsdgeos@terra.es> *
+ * *
+ * 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. *
+ ***************************************************************************/
+
+// qt/kde includes
+#include <qheader.h>
+#include <qvariant.h>
+#include <klocale.h>
+
+// local includes
+#include "toc.h"
+#include "core/link.h"
+#include "core/page.h"
+
+// uncomment following to enable a 2nd column showing the page referred
+// by each tree entry note: PDF uses often references to viewports and
+// they're slow when converted to page number. drop the 2nd column idea.
+//#define TOC_ENABLE_PAGE_COLUMN
+
+class TOCItem : public KListViewItem
+{
+ public:
+ TOCItem( KListView *parent, TOCItem *after, const QDomElement & e )
+ : KListViewItem( parent, after, e.tagName() ), m_element( e )
+ {
+#ifdef TOC_ENABLE_PAGE_COLUMN
+ if ( e.hasAttribute( "Page" ) )
+ setText( 1, e.attribute( "Page" ) );
+#endif
+ setMultiLinesEnabled(true);
+ }
+
+ TOCItem( KListViewItem *parent, TOCItem *after, const QDomElement & e )
+ : KListViewItem( parent, after, e.tagName() ), m_element( e )
+ {
+#ifdef TOC_ENABLE_PAGE_COLUMN
+ if ( e.hasAttribute( "Page" ) )
+ setText( 1, e.attribute( "Page" ) );
+#endif
+ setMultiLinesEnabled(true);
+ }
+
+ const QDomElement & element() const
+ {
+ return m_element;
+ }
+
+ private:
+ QDomElement m_element;
+};
+
+TOC::TOC(QWidget *parent, KPDFDocument *document) : KListView(parent), m_document(document)
+{
+ addColumn( i18n("Topic") );
+#ifdef TOC_ENABLE_PAGE_COLUMN
+ addColumn( i18n("Page") );
+#else
+ header() -> hide();
+#endif
+ setSorting(-1);
+ setRootIsDecorated(true);
+ // the next line causes bug:147233
+// setResizeMode(AllColumns);
+ setAllColumnsShowFocus(true);
+ connect(this, SIGNAL(clicked(QListViewItem *)), this, SLOT(slotExecuted(QListViewItem *)));
+ connect(this, SIGNAL(returnPressed(QListViewItem *)), this, SLOT(slotExecuted(QListViewItem *)));
+}
+
+TOC::~TOC()
+{
+ m_document->removeObserver( this );
+}
+
+uint TOC::observerId() const
+{
+ return TOC_ID;
+}
+
+void TOC::notifySetup( const QValueVector< KPDFPage * > & /*pages*/, bool documentChanged )
+{
+ if ( !documentChanged )
+ return;
+
+ // clear contents
+ clear();
+
+ // request synopsis description (is a dom tree)
+ const DocumentSynopsis * syn = m_document->documentSynopsis();
+
+ // if not present, disable the contents tab
+ if ( !syn )
+ {
+ emit hasTOC( false );
+ return;
+ }
+
+ // else populate the listview and enable the tab
+ addChildren( *syn );
+ emit hasTOC( true );
+}
+
+void TOC::addChildren( const QDomNode & parentNode, KListViewItem * parentItem )
+{
+ // keep track of the current listViewItem
+ TOCItem * currentItem = 0;
+ QDomNode n = parentNode.firstChild();
+ while( !n.isNull() )
+ {
+ // convert the node to an element (sure it is)
+ QDomElement e = n.toElement();
+
+ // insert the entry as top level (listview parented) or 2nd+ level
+ if ( !parentItem )
+ currentItem = new TOCItem( this, currentItem, e );
+ else
+ currentItem = new TOCItem( parentItem, currentItem, e );
+
+ // descend recursively and advance to the next node
+ if ( e.hasChildNodes() )
+ addChildren( n, currentItem );
+
+ // open/keep close the item
+ bool isOpen = false;
+ if ( e.hasAttribute( "Open" ) )
+ isOpen = QVariant( e.attribute( "Open" ) ).toBool();
+ currentItem->setOpen( isOpen );
+
+ n = n.nextSibling();
+ }
+}
+
+void TOC::slotExecuted( QListViewItem *i )
+{
+ TOCItem* tocItem = dynamic_cast<TOCItem*>( i );
+ // that filters clicks on [+] that for a strange reason don't seem to be TOCItem*
+ if (tocItem == NULL)
+ return;
+ const QDomElement & e = tocItem->element();
+
+ QString externalFileName = e.attribute( "ExternalFileName" );
+ if ( !externalFileName.isEmpty() )
+ {
+ KPDFLinkGoto link( externalFileName, getViewport( e ) );
+ m_document->processLink( &link );
+ }
+ else
+ {
+ m_document->setViewport( getViewport( e ), TOC_ID );
+ }
+}
+
+DocumentViewport TOC::getViewport( const QDomElement &e ) const
+{
+ if ( e.hasAttribute( "Viewport" ) )
+ {
+ // if the node has a viewport, set it
+ return DocumentViewport( e.attribute( "Viewport" ) );
+ }
+ else if ( e.hasAttribute( "ViewportName" ) )
+ {
+ // if the node references a viewport, get the reference and set it
+ const QString & page = e.attribute( "ViewportName" );
+ const QString & viewport = m_document->getMetaData( "NamedViewport", page );
+ if ( !viewport.isNull() )
+ return DocumentViewport( viewport );
+ }
+ return DocumentViewport();
+}
+
+#include "toc.moc"