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tdebase/khelpcenter/scrollkeepertreebuilder.cpp

201 lines
5.5 KiB

/*
* This file is part of the TDE Help Center
*
* Copyright (C) 1999 Matthias Elter (me@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 "scrollkeepertreebuilder.h"
#include "navigatoritem.h"
#include "docentry.h"
#include <kapplication.h>
#include <kconfig.h>
#include <kdebug.h>
#include <kglobal.h>
#include <klocale.h>
#include <kprocio.h>
#include <tqdom.h>
#include <tqfile.h>
#include <tqregexp.h>
using namespace KHC;
ScrollKeeperTreeBuilder::ScrollKeeperTreeBuilder( TQObject *parent, const char *name )
: TQObject( parent, name )
{
loadConfig();
}
void ScrollKeeperTreeBuilder::loadConfig()
{
KConfig *cfg = kapp->config();
{
KConfigGroupSaver groupSaver( cfg, "ScrollKeeper" );
mShowEmptyDirs = cfg->readBoolEntry( "ShowEmptyDirs", false );
}
}
NavigatorItem *ScrollKeeperTreeBuilder::build( NavigatorItem *parent,
NavigatorItem *after )
{
TQString lang = KGlobal::locale()->language();
kdDebug(1400) << "ScrollKeeper language: " << lang << endl;
KProcIO proc;
proc << "scrollkeeper-get-content-list";
proc << lang;
connect(&proc,TQT_SIGNAL(readReady(KProcIO *)),TQT_SLOT(getContentsList(KProcIO *)));
if (!proc.start(KProcess::Block)) {
kdDebug(1400) << "Could not execute scrollkeeper-get-content-list" << endl;
return 0;
}
if (!TQFile::exists(mContentsList)) {
kdDebug(1400) << "Scrollkeeper contents file '" << mContentsList
<< "' does not exist." << endl;
return 0;
}
TQDomDocument doc("ScrollKeeperContentsList");
TQFile f(mContentsList);
if ( !f.open( IO_ReadOnly ) )
return 0;
if ( !doc.setContent( &f ) ) {
f.close();
return 0;
}
f.close();
// Create top-level item
mItems.append(parent);
TQDomElement docElem = doc.documentElement();
NavigatorItem *result = 0;
TQDomNode n = docElem.firstChild();
while( !n.isNull() ) {
TQDomElement e = n.toElement();
if( !e.isNull() ) {
if (e.tagName() == "sect") {
NavigatorItem *createdItem;
insertSection( parent, after, e, createdItem );
if ( createdItem ) result = createdItem;
}
}
n = n.nextSibling();
}
return result;
}
void ScrollKeeperTreeBuilder::getContentsList( KProcIO *proc )
{
TQString filename;
proc->readln( filename, true );
mContentsList = filename;
}
int ScrollKeeperTreeBuilder::insertSection( NavigatorItem *parent,
NavigatorItem *after,
const TQDomNode &sectNode,
NavigatorItem *&sectItem )
{
DocEntry *entry = new DocEntry( "", "", "contents2" );
sectItem = new NavigatorItem( entry, parent, after );
sectItem->setAutoDeleteDocEntry( true );
mItems.append( sectItem );
int numDocs = 0; // Number of docs created in this section
TQDomNode n = sectNode.firstChild();
while( !n.isNull() ) {
TQDomElement e = n.toElement();
if( !e.isNull() ) {
if ( e.tagName() == "title" ) {
entry->setName( e.text() );
sectItem->updateItem();
} else if (e.tagName() == "sect") {
NavigatorItem *created;
numDocs += insertSection( sectItem, 0, e, created );
} else if (e.tagName() == "doc") {
insertDoc(sectItem,e);
++numDocs;
}
}
n = n.nextSibling();
}
// Remove empty sections
if (!mShowEmptyDirs && numDocs == 0) {
delete sectItem;
sectItem = 0;
}
return numDocs;
}
void ScrollKeeperTreeBuilder::insertDoc( NavigatorItem *parent,
const TQDomNode &docNode )
{
DocEntry *entry = new DocEntry( "", "", "document2" );
NavigatorItem *docItem = new NavigatorItem( entry, parent );
docItem->setAutoDeleteDocEntry( true );
mItems.append( docItem );
TQString url;
TQDomNode n = docNode.firstChild();
while( !n.isNull() ) {
TQDomElement e = n.toElement();
if( !e.isNull() ) {
if ( e.tagName() == "doctitle" ) {
entry->setName( e.text() );
docItem->updateItem();
} else if ( e.tagName() == "docsource" ) {
url.append( e.text() );
} else if ( e.tagName() == "docformat" ) {
TQString mimeType = e.text();
if ( mimeType == "text/html") {
// Let the HTML part figure out how to get the doc
} else if ( mimeType == "text/xml" ) {
if ( url.left( 5 ) == "file:" ) url = url.mid( 5 );
url.prepend( "ghelp:" );
#if 0
url.replace( TQRegExp( ".xml$" ), ".html" );
#endif
} else if ( mimeType == "text/sgml" ) {
// GNOME docs use this type. We don't have a real viewer for this.
url.prepend( "file:" );
} else if ( mimeType.left(5) == "text/" ) {
url.prepend( "file:" );
}
}
}
n = n.nextSibling();
}
entry->setUrl( url );
}
#include "scrollkeepertreebuilder.moc"
// vim:sw=2:ts=2:et