/* * This file is part of the TDE Help Center * * Copyright (C) 2002 Frerich Raabe (raabe@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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "glossary.h" #include "view.h" #include <tdeapplication.h> #include <tdeconfig.h> #include <kdebug.h> #include <kiconloader.h> #include <tdelocale.h> #include <tdemainwindow.h> #include <kprocess.h> #include <kstandarddirs.h> #include <kstatusbar.h> #include <tqheader.h> #include <sys/stat.h> using namespace KHC; class SectionItem : public TDEListViewItem { public: SectionItem( TQListViewItem *parent, const TQString &text ) : TDEListViewItem( parent, text ) { setOpen( false ); } virtual void setOpen( bool open ) { TDEListViewItem::setOpen(open); setPixmap( 0, SmallIcon( TQString::fromLatin1( open ? "contents" : "contents2" ) ) ); } }; class EntryItem : public TDEListViewItem { public: EntryItem( SectionItem *parent, const TQString &term, const TQString &id ) : TDEListViewItem( parent, term ), m_id( id ) { } TQString id() const { return m_id; } private: TQString m_id; }; Glossary::Glossary( TQWidget *parent ) : TDEListView( parent ) { m_initialized = false; connect( this, TQT_SIGNAL( clicked( TQListViewItem * ) ), this, TQT_SLOT( treeItemSelected( TQListViewItem * ) ) ); connect( this, TQT_SIGNAL( returnPressed( TQListViewItem * ) ), this, TQT_SLOT( treeItemSelected( TQListViewItem * ) ) ); setFrameStyle( TQFrame::Panel | TQFrame::Sunken ); addColumn( TQString::null ); header()->hide(); setAllColumnsShowFocus( true ); setRootIsDecorated( true ); m_byTopicItem = new TDEListViewItem( this, i18n( "By Topic" ) ); m_byTopicItem->setPixmap( 0, SmallIcon( "help" ) ); m_alphabItem = new TDEListViewItem( this, i18n( "Alphabetically" ) ); m_alphabItem->setPixmap( 0, SmallIcon( "charset" ) ); m_cacheFile = locateLocal( "cache", "help/glossary.xml" ); m_sourceFile = View::View::langLookup( TQString::fromLatin1( "khelpcenter/glossary/index.docbook" ) ); m_config = kapp->config(); m_config->setGroup( "Glossary" ); } void Glossary::show() { if ( !m_initialized ) { if ( cacheStatus() == NeedRebuild ) rebuildGlossaryCache(); else buildGlossaryTree(); m_initialized = true; } TDEListView::show(); } Glossary::~Glossary() { m_glossEntries.setAutoDelete( true ); m_glossEntries.clear(); } const GlossaryEntry &Glossary::entry( const TQString &id ) const { return *m_glossEntries[ id ]; } Glossary::CacheStatus Glossary::cacheStatus() const { if ( !TQFile::exists( m_cacheFile ) || m_config->readPathEntry( "CachedGlossary" ) != m_sourceFile || m_config->readNumEntry( "CachedGlossaryTimestamp" ) != glossaryCTime() ) return NeedRebuild; return CacheOk; } int Glossary::glossaryCTime() const { struct stat stat_buf; stat( TQFile::encodeName( m_sourceFile ).data(), &stat_buf ); return stat_buf.st_ctime; } void Glossary::rebuildGlossaryCache() { TDEMainWindow *mainWindow = dynamic_cast<TDEMainWindow *>( kapp->mainWidget() ); Q_ASSERT( mainWindow ); mainWindow->statusBar()->message( i18n( "Rebuilding cache..." ) ); TDEProcess *meinproc = new TDEProcess; connect( meinproc, TQT_SIGNAL( processExited( TDEProcess * ) ), this, TQT_SLOT( meinprocExited( TDEProcess * ) ) ); *meinproc << locate( "exe", TQString::fromLatin1( "meinproc" ) ); *meinproc << TQString::fromLatin1( "--output" ) << m_cacheFile; *meinproc << TQString::fromLatin1( "--stylesheet" ) << locate( "data", TQString::fromLatin1( "khelpcenter/glossary.xslt" ) ); *meinproc << m_sourceFile; meinproc->start( TDEProcess::NotifyOnExit ); } void Glossary::meinprocExited( TDEProcess *meinproc ) { delete meinproc; if ( !TQFile::exists( m_cacheFile ) ) return; m_config->writePathEntry( "CachedGlossary", m_sourceFile ); m_config->writeEntry( "CachedGlossaryTimestamp", glossaryCTime() ); m_config->sync(); m_status = CacheOk; TDEMainWindow *mainWindow = dynamic_cast<TDEMainWindow *>( kapp->mainWidget() ); Q_ASSERT( mainWindow ); mainWindow->statusBar()->message( i18n( "Rebuilding cache... done." ), 2000 ); buildGlossaryTree(); } void Glossary::buildGlossaryTree() { TQFile cacheFile(m_cacheFile); if ( !cacheFile.open( IO_ReadOnly ) ) return; TQDomDocument doc; if ( !doc.setContent( &cacheFile ) ) return; TQDomNodeList sectionNodes = doc.documentElement().elementsByTagName( TQString::fromLatin1( "section" ) ); for ( unsigned int i = 0; i < sectionNodes.count(); i++ ) { TQDomElement sectionElement = sectionNodes.item( i ).toElement(); TQString title = sectionElement.attribute( TQString::fromLatin1( "title" ) ); SectionItem *topicSection = new SectionItem( m_byTopicItem, title ); TQDomNodeList entryNodes = sectionElement.elementsByTagName( TQString::fromLatin1( "entry" ) ); for ( unsigned int j = 0; j < entryNodes.count(); j++ ) { TQDomElement entryElement = entryNodes.item( j ).toElement(); TQString entryId = entryElement.attribute( TQString::fromLatin1( "id" ) ); if ( entryId.isNull() ) continue; TQDomElement termElement = childElement( entryElement, TQString::fromLatin1( "term" ) ); TQString term = termElement.text().simplifyWhiteSpace(); EntryItem *entry = new EntryItem(topicSection, term, entryId ); m_idDict.insert( entryId, entry ); SectionItem *alphabSection = 0L; for ( TQListViewItemIterator it( m_alphabItem ); it.current(); it++ ) if ( it.current()->text( 0 ) == term[ 0 ].upper() ) { alphabSection = static_cast<SectionItem *>( it.current() ); break; } if ( !alphabSection ) alphabSection = new SectionItem( m_alphabItem, term[ 0 ].upper() ); new EntryItem( alphabSection, term, entryId ); TQDomElement definitionElement = childElement( entryElement, TQString::fromLatin1( "definition" ) ); TQString definition = definitionElement.text().simplifyWhiteSpace(); GlossaryEntryXRef::List seeAlso; TQDomElement referencesElement = childElement( entryElement, TQString::fromLatin1( "references" ) ); TQDomNodeList referenceNodes = referencesElement.elementsByTagName( TQString::fromLatin1( "reference" ) ); if ( referenceNodes.count() > 0 ) for ( unsigned int k = 0; k < referenceNodes.count(); k++ ) { TQDomElement referenceElement = referenceNodes.item( k ).toElement(); TQString term = referenceElement.attribute( TQString::fromLatin1( "term" ) ); TQString id = referenceElement.attribute( TQString::fromLatin1( "id" ) ); seeAlso += GlossaryEntryXRef( term, id ); } m_glossEntries.insert( entryId, new GlossaryEntry( term, definition, seeAlso ) ); } } } void Glossary::treeItemSelected( TQListViewItem *item ) { if ( !item ) return; if ( EntryItem *i = dynamic_cast<EntryItem *>( item ) ) emit entrySelected( entry( i->id() ) ); item->setOpen( !item->isOpen() ); } TQDomElement Glossary::childElement( const TQDomElement &element, const TQString &name ) { TQDomElement e; for ( e = element.firstChild().toElement(); !e.isNull(); e = e.nextSibling().toElement() ) if ( e.tagName() == name ) break; return e; } TQString Glossary::entryToHtml( const GlossaryEntry &entry ) { TQFile htmlFile( locate("data", "khelpcenter/glossary.html.in" ) ); if (!htmlFile.open(IO_ReadOnly)) return TQString( "<html><head></head><body><h3>%1</h3>%2</body></html>" ) .arg( i18n( "Error" ) ) .arg( i18n( "Unable to show selected glossary entry: unable to open " "file 'glossary.html.in'!" ) ); TQString seeAlso; if (!entry.seeAlso().isEmpty()) { seeAlso = i18n("See also: "); GlossaryEntryXRef::List seeAlsos = entry.seeAlso(); GlossaryEntryXRef::List::ConstIterator it = seeAlsos.begin(); GlossaryEntryXRef::List::ConstIterator end = seeAlsos.end(); for (; it != end; ++it) { seeAlso += TQString::fromLatin1("<a href=\"glossentry:"); seeAlso += (*it).id(); seeAlso += TQString::fromLatin1("\">") + (*it).term(); seeAlso += TQString::fromLatin1("</a>, "); } seeAlso = seeAlso.left(seeAlso.length() - 2); } TQTextStream htmlStream(&htmlFile); return htmlStream.read() .arg( i18n( "TDE Glossary" ) ) .arg( entry.term() ) .arg( View::langLookup( "khelpcenter/konq.css" ) ) .arg( View::langLookup( "khelpcenter/pointers.png" ) ) .arg( View::langLookup( "khelpcenter/khelpcenter.png" ) ) .arg( View::langLookup( "khelpcenter/lines.png" ) ) .arg( entry.term() ) .arg( entry.definition() ) .arg( seeAlso) .arg( View::langLookup( "khelpcenter/tdelogo2.png" ) ); } void Glossary::slotSelectGlossEntry( const TQString &id ) { EntryItem *newItem = m_idDict.find( id ); if ( newItem == 0 ) return; EntryItem *curItem = dynamic_cast<EntryItem *>( currentItem() ); if ( curItem != 0 ) { if ( curItem->id() == id ) return; curItem->parent()->setOpen( false ); } setCurrentItem( newItem ); ensureItemVisible( newItem ); } #include "glossary.moc" // vim:ts=4:sw=4:et