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Diffstat (limited to 'kmplot/kmplot/kmplotio.h')
| -rw-r--r-- | kmplot/kmplot/kmplotio.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/kmplot/kmplot/kmplotio.h b/kmplot/kmplot/kmplotio.h new file mode 100644 index 00000000..837cf4ec --- /dev/null +++ b/kmplot/kmplot/kmplotio.h @@ -0,0 +1,103 @@ +/* +* KmPlot - a math. function plotter for the KDE-Desktop +* +* Copyright (C) 1998, 1999 Klaus-Dieter Möler +* 2000, 2002 kd.moeller@t-online.de +* +* This file is part of the KDE Project. +* KmPlot is part of the KDE-EDU Project. +* +* 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. +* +*/ + +#ifndef KMPLOTIO_H +#define KMPLOTIO_H + +#include <kurl.h> +#include "xparser.h" + +class QString; +class XParser; + +/** @short This class manages the file operations load and save. + * + * @author Klaus-Dieter Möller & Matthias Meßmer + */ +class KmPlotIO +{ + public: + /// Nothing to do here; only static functions needed. + KmPlotIO( XParser *parser); + /// Empty. + ~KmPlotIO(); + + /** + * Store all information about the current saved plot in a xml file with the .fkt extension + * in the filename file. + * @param url Name (URL) of the file which will be saved. + */ + bool save( const KURL &url ); + + /** + * Read a kmpdoc xml file to restaure the settings of a previously saved plot + * @param url Name (URL) of file which will be opened + */ + bool load( const KURL &url ); + + private: + /** Esay way to add a tag to the Dom tree + * @param &doc The document. + * @param parentTag The parent tag to support encapsulated tags. + * @param tagName The Name of the tag. + * @param tagValue The data between the opening and cloding tag. + */ + void addTag( QDomDocument &doc, QDomElement &parentTag, const QString tagName, const QString tagValue ); + /// Reads axes parameters from the node @a n. + /// @param n Node containing the options. + void parseAxes( const QDomElement &n ); + /// Reads grid parameters from the node @a n. + /// @param n Node containing the options. + void parseGrid( const QDomElement &n ); + /// Reads scale parameters from the node @a n. + /// @param n Node containing the options. + void parseScale( const QDomElement &n ); + /// Reads function parameters from the node @a n. + /// @param parser points to the parser instance. + /// @param n Node containing the options. + void parseFunction( XParser *parser, const QDomElement &n ); + /// Reads parameter values for a function from the node @a n. + /// @param parser points to the parser instance. + /// @param n Node containing the options. + /// @param ix Function index in the parser instance + void parseParameters( XParser *parser, const QDomElement &n, Ufkt &ufkt); + + /// For KDE 3.3 + void parseThreeDotThreeParameters( XParser *parser, const QDomElement &n, Ufkt &ufkt); + + ///For KDE <3.3 + /// This is the same as parseScale but is made for old Kmplot-files + void oldParseScale( const QDomElement & n ); + /// This is the same as parseFunction but is made for old Kmplot-files + void oldParseFunction( XParser *parser, const QDomElement &n ); + /// This is the same as parseAxes but is made for old Kmplot-files + void oldParseAxes( const QDomElement &n ); + + XParser *m_parser; + +}; + +#endif + |