listviewitemconffile.cpp

Go to the documentation of this file.

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
// (c) 2002 Patrick S. Vogt <tille@handhelds.org>

#include "listviewitemconffile.h"
#include "listviewitemconfigentry.h"

/* OPIE */
#include <opie2/odebug.h>
using namespace Opie::Core;

/* QT */
#include <qmessagebox.h>
#include <qtextstream.h>

#define tr QObject::tr

ListViewItemConfFile::ListViewItemConfFile(QFileInfo *file, QListView *parent)
   : ListViewItemConf(parent), _valid(false)
{
  confFileInfo = file;
  //  parseFile();
  displayText();
}

ListViewItemConfFile::~ListViewItemConfFile()
{
}


void ListViewItemConfFile::displayText()
{
  setText(0,(_changed?"*":"")+confFileInfo->fileName());        
}

QString ListViewItemConfFile::fileName()
{
        return confFileInfo->fileName();
}

void ListViewItemConfFile::parseFile()
{
        //odebug << "ListViewItemConfFile::parseFile BEGIN" << oendl; 
        QFile confFile(confFileInfo->absFilePath());
        if(! confFile.open(IO_ReadOnly))
                QMessageBox::critical(0,tr("Could not open"),tr("The file ")+confFileInfo->fileName()+tr(" could not be opened."),1,0); 
        QTextStream t( &confFile );
        QString s;
  QString group;
  ListViewItemConfigEntry *groupItem;
  ListViewItemConfigEntry *item;
  while ( !t.atEnd() )
  {
        s = t.readLine().stripWhiteSpace();
                //odebug << "line: >" << s.latin1() << "<\n" << oendl; 
        if (s.contains("<?xml"))
        {
        _valid = false;
                        break;
    }else
    if ( s[0] == '[' && s[s.length()-1] == ']' )
        {
  //    odebug << "got group"+s << oendl; 
      group = s.mid(1,s.length()-2);
      if (!groupItem) groupItem = new ListViewItemConfigEntry(this, tr("no group") );
      groupItem = new ListViewItemConfigEntry(this, group );
      insertItem( groupItem );
    } else
    if ( int pos = s.find('=') )
    {
//      odebug << "got key"+s << oendl; 
        if (!groupItem) odebug << "PANIK NO GROUP! >" << group.latin1() << "<" << oendl; 
        item = new ListViewItemConfigEntry(this, group, s );
      groupItem->insertItem( item );
    }
  }     
        confFile.close();
        setExpandable( _valid );
//      odebug << "ListViewItemConfFile::parseFile END" << oendl; 
}


void ListViewItemConfFile::remove()
{
  QFile::remove(confFileInfo->absFilePath());
  QFile::remove(backupFileName());
  delete this;
}

void ListViewItemConfFile::revert()
{
        if (!_changed)
        {
        // read the backup file
                QFile conf(confFileInfo->absFilePath());
        QFile back(backupFileName());

          if (!back.open(IO_ReadOnly)) return;
        if (!conf.open(IO_WriteOnly)) return;

          #define SIZE 124
        char buf[SIZE];
          while (int c = back.readBlock(buf, SIZE) ) conf.writeBlock(buf,c);
        conf.close();
          back.close();
  }
  parseFile();
  expand();
}

void ListViewItemConfFile::save()
{
        if (!_changed) return;
        QFile conf(confFileInfo->absFilePath());
  QFile back(backupFileName());

  if (!conf.open(IO_ReadOnly)) return;
  if (!back.open(IO_WriteOnly)) return;

  char buf[SIZE];
  while (int c = conf.readBlock(buf, SIZE) ) back.writeBlock(buf,c);
  conf.close();
  back.close();


  if (!conf.open(IO_WriteOnly)) return;
        QTextStream *t = new QTextStream( &conf );
  for (QListViewItem *it = firstChild(); it!=0;it = it->nextSibling())
  {
        ((ListViewItemConfigEntry*)it)->save(t);
  }
        conf.close();
        unchanged();
}


bool ListViewItemConfFile::revertable()
{
        return _changed || QFile(backupFileName()).exists();
}

QString ListViewItemConfFile::backupFileName()
{
        return confFileInfo->absFilePath()+"~";
}


void ListViewItemConfFile::expand()
{
        QListViewItem *subItem = firstChild();
        QListViewItem *toDel;
        while(subItem)
  {
        toDel = subItem;
        subItem = subItem->nextSibling();
        delete toDel;
  }
        parseFile();
}

---