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tdeartwork/kscreensaver/kxsconfig/kxsxml.cpp

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//-----------------------------------------------------------------------------
//
// KDE xscreensaver configuration dialog
//
// Copyright (c) Martin R. Jones <mjones@kde.org> 2002
//
// 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;
// version 2 of the License.
//
// 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; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301, USA.
#include "kxsxml.h"
#include "kxscontrol.h"
#include <qobject.h>
#include <qfile.h>
#include <qvbox.h>
#include <qhbox.h>
#include <stdio.h>
KXSXml::KXSXml( QWidget *p )
: parent(p), handler(0)
{
}
bool KXSXml::parse( const QString &filename )
{
QFile file( filename );
handler = new KXSXmlHandler( parent );
QXmlInputSource source( &file );
QXmlSimpleReader reader;
reader.setContentHandler( handler );
if ( !reader.parse( &source, FALSE ) )
return FALSE;
return true;
}
const QPtrList<KXSConfigItem> *KXSXml::items() const
{
if ( handler )
return handler->items();
return 0;
}
QString KXSXml::description() const
{
if ( handler )
return handler->description();
return QString();
}
//===========================================================================
KXSXmlHandler::KXSXmlHandler( QWidget *p )
: QXmlDefaultHandler(), parent(p), selItem(0), inDesc(false)
{
mParentStack.push( p );
}
bool KXSXmlHandler::startDocument()
{
return true;
}
bool KXSXmlHandler::startElement( const QString&, const QString&,
const QString& qName,
const QXmlAttributes &atts )
{
KXSConfigItem *i = 0;
QString id = atts.value("id");
if ( qName == "number" ) {
QString sLow = atts.value( "low" );
QString sHigh = atts.value( "high" );
if ( sLow.contains( '.' ) || sHigh.contains( '.' ) ) {
if ( parent )
i = new KXSDoubleRangeControl( parent, id, atts );
else
i = new KXSDoubleRangeItem( id, atts );
} else {
if ( parent )
i = new KXSRangeControl( parent, id, atts );
else
i = new KXSRangeItem( id, atts );
}
} else if ( qName == "boolean" ) {
if ( parent )
i = new KXSCheckBoxControl( parent, id, atts );
else
i = new KXSBoolItem( id, atts );
} else if ( qName == "string" ) {
if ( parent )
i = new KXSLineEditControl( parent, id, atts );
else
i = new KXSStringItem( id, atts );
} else if ( qName == "file" ) {
if ( parent )
i = new KXSFileControl( parent, id, atts );
else
i = new KXSStringItem( id, atts );
} else if ( qName == "_description" ) {
inDesc = true;
} else if ( qName == "select" ) {
if ( parent )
selItem = new KXSDropListControl( parent, id, atts );
else
selItem = new KXSSelectItem( id, atts );
i = selItem;
} else if ( qName == "option" && selItem ) {
selItem->addOption( atts );
} else if ( qName == "hgroup" && parent ) {
QHBox *hb = new QHBox( parent );
mParentStack.push( hb );
parent = hb;
} else if ( qName == "vgroup" && parent ) {
QVBox *vb = new QVBox( parent );
mParentStack.push( vb );
parent = vb;
}
if ( i )
mConfigItemList.append( i );
return true;
}
bool KXSXmlHandler::endElement( const QString&, const QString&, const QString &qName )
{
if ( qName == "select" ) {
selItem = 0;
} else if ( qName == "_description" ) {
inDesc = false;
} else if ( (qName == "hgroup" || qName == "vgroup") && parent ) {
if ( mParentStack.count() > 1 ) {
mParentStack.pop();
parent = mParentStack.top();
}
}
return true;
}
bool KXSXmlHandler::characters( const QString &ch )
{
if ( inDesc )
desc += ch;
return true;
}