utilities.h

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/*
    KNode, the KDE newsreader
    Copyright (c) 1999-2005 the KNode authors.
    See file AUTHORS for details

    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.
    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, US
*/

#ifndef UTILITIES_H
#define UTILITIES_H

#include <kurl.h>

class KTemporaryFile;
class QFile;

//*****************************************************************************
// utility classes
//*****************************************************************************


class KNSaveHelper {

public:

  KNSaveHelper(QString saveName, QWidget *parent);
  ~KNSaveHelper();

  QFile* getFile(const QString &dialogTitle);

private:

  QWidget *p_arent;
  QString s_aveName;
  KUrl url;
  QFile* file;
  KTemporaryFile* tmpFile;
  static QString lastPath;

};


//========================================================================================


class KNLoadHelper {

public:

  explicit KNLoadHelper(QWidget *parent);
  ~KNLoadHelper();

  QFile* getFile( const QString &dialogTitle );
  QFile* setURL(const KUrl& url);
  QFile* getFile()const { return f_ile; }
  KUrl getURL() const    { return u_rl; }

private:

  QWidget *p_arent;
  KUrl u_rl;
  QFile *f_ile;
  QString t_empName;
  static KUrl l_astPath;

};


//========================================================================================


class KNHelper {

public:

  static int selectDialog(QWidget *parent, const QString &caption, const QStringList &options, int initialValue);

  static void saveWindowSize(const QString &name, const QSize &s);
  static void restoreWindowSize(const QString &name, QWidget *d, const QSize &defaultSize);

  static const QString encryptStr(const QString& aStr);
  static const QString decryptStr(const QString& aStr);

  static QString rewrapStringList(const QStringList &text, int wrapAt, QChar quoteChar, bool stopAtSig, bool alwaysSpace);

  static void displayInternalFileError(QWidget *w=0);
  static void displayExternalFileError(QWidget *w=0);
  static void displayRemoteFileError(QWidget *w=0);
  static void displayTempFileError(QWidget *w=0);

  static int findStringInFile( QFile *file, const char *str );

};

#endif