kscreensaver/kxsconfig/kxsxml.cpp

   1 //-----------------------------------------------------------------------------
   2 //
   3 // KDE xscreensaver configuration dialog
   4 //
   5 // Copyright (c)  Martin R. Jones <mjones@kde.org> 2002
   6 //
   7 // This program is free software; you can redistribute it and/or
   8 // modify it under the terms of the GNU General Public
   9 // License as published by the Free Software Foundation;
  10 // version 2 of the License.
  11 //
  12 // This program is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 // General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License
  18 // along with this program; see the file COPYING.  If not, write to
  19 // the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 // Boston, MA 02110-1301, USA.
  21
  22 #include "kxsxml.h"
  23 #include "kxscontrol.h"
  24 #include <qobject.h>
  25 #include <qfile.h>
  26 #include <q3vbox.h>
  27 #include <q3hbox.h>
  28 //Added by qt3to4:
  29 #include <Q3PtrList>
  30 #include <stdio.h>
  31
  32 KXSXml::KXSXml( QWidget *p )
  33     : parent(p), handler(0)
  34 {
  35 }
  36
  37 bool KXSXml::parse( const QString &filename )
  38 {
  39     QFile file( filename );
  40     handler = new KXSXmlHandler( parent );
  41     QXmlInputSource source( &file );
  42     QXmlSimpleReader reader;
  43     reader.setContentHandler( handler );
  44     if ( !reader.parse( &source, FALSE ) )
  45         return FALSE;
  46
  47     return true;
  48 }
  49
  50 const Q3PtrList<KXSConfigItem> *KXSXml::items() const
  51 {
  52     if ( handler )
  53         return handler->items();
  54     return 0;
  55 }
  56
  57 QString KXSXml::description() const
  58 {
  59     if ( handler )
  60         return handler->description();
  61     return QString();
  62 }
  63
  64 //===========================================================================
  65
  66 KXSXmlHandler::KXSXmlHandler( QWidget *p )
  67     : QXmlDefaultHandler(), parent(p), selItem(0), inDesc(false)
  68 {
  69     mParentStack.push( p );
  70 }
  71
  72 bool KXSXmlHandler::startDocument()
  73 {
  74     return true;
  75 }
  76
  77 bool KXSXmlHandler::startElement( const QString&, const QString&,
  78                                     const QString& qName,
  79                                     const QXmlAttributes &atts )
  80 {
  81     KXSConfigItem *i = 0;
  82     QString id = atts.value("id");
  83     if ( qName == "number" ) {
  84         QString sLow = atts.value( "low" );
  85         QString sHigh = atts.value( "high" );
  86         if ( sLow.contains( '.' ) || sHigh.contains( '.' ) ) {
  87             if ( parent )
  88                 i = new KXSDoubleRangeControl( parent, id, atts );
  89             else
  90                 i = new KXSDoubleRangeItem( id, atts );
  91         } else {
  92             if ( parent )
  93                 i = new KXSRangeControl( parent, id, atts );
  94             else
  95                 i = new KXSRangeItem( id, atts );
  96         }
  97     } else if ( qName == "boolean" ) {
  98         if ( parent )
  99             i = new KXSCheckBoxControl( parent, id, atts );
 100         else
 101             i = new KXSBoolItem( id, atts );
 102     } else if ( qName == "string" ) {
 103         if ( parent )
 104             i = new KXSLineEditControl( parent, id, atts );
 105         else
 106             i = new KXSStringItem( id, atts );
 107     } else if ( qName == "file" ) {
 108         if ( parent )
 109             i = new KXSFileControl( parent, id, atts );
 110         else
 111             i = new KXSStringItem( id, atts );
 112     } else if ( qName == "_description" ) {
 113         inDesc = true;
 114     } else if ( qName == "select" ) {
 115         if ( parent )
 116             selItem = new KXSDropListControl( parent, id, atts );
 117         else
 118             selItem = new KXSSelectItem( id, atts );
 119         i = selItem;
 120     } else if ( qName == "option" && selItem ) {
 121         selItem->addOption( atts );
 122     } else if ( qName == "hgroup" && parent ) {
 123         Q3HBox *hb = new Q3HBox( parent );
 124         mParentStack.push( hb );
 125         parent = hb;
 126     } else if ( qName == "vgroup" && parent ) {
 127         Q3VBox *vb = new Q3VBox( parent );
 128         mParentStack.push( vb );
 129         parent = vb;
 130     }
 131
 132     if ( i )
 133         mConfigItemList.append( i );
 134
 135     return true;
 136 }
 137
 138 bool KXSXmlHandler::endElement( const QString&, const QString&, const QString &qName )
 139 {
 140     if ( qName == "select" ) {
 141         selItem = 0;
 142     } else if ( qName == "_description" ) {
 143         inDesc = false;
 144     } else if ( (qName == "hgroup" || qName == "vgroup") && parent ) {
 145         if ( mParentStack.count() > 1 ) {
 146             mParentStack.pop();
 147             parent = mParentStack.top();
 148         }
 149     }
 150     return true;
 151 }
 152
 153 bool KXSXmlHandler::characters( const QString &ch )
 154 {
 155     if ( inDesc )
 156         desc += ch;
 157     return true;
 158 }
 159