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104 lines
3.6 KiB
104 lines
3.6 KiB
/*
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* KmPlot - a math. function plotter for the KDE-Desktop
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*
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* Copyright (C) 1998, 1999 Klaus-Dieter Möler
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* 2000, 2002 kd.moeller@t-online.de
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*
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* This file is part of the KDE Project.
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* KmPlot is part of the KDE-EDU Project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef KMPLOTIO_H
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#define KMPLOTIO_H
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#include <kurl.h>
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#include "xparser.h"
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class TQString;
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class XParser;
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/** @short This class manages the file operations load and save.
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*
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* @author Klaus-Dieter Möller & Matthias Meßmer
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*/
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class KmPlotIO
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{
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public:
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/// Nothing to do here; only static functions needed.
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KmPlotIO( XParser *parser);
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/// Empty.
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~KmPlotIO();
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/**
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* Store all information about the current saved plot in a xml file with the .fkt extension
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* in the filename file.
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* @param url Name (URL) of the file which will be saved.
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*/
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bool save( const KURL &url );
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/**
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* Read a kmpdoc xml file to restaure the settings of a previously saved plot
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* @param url Name (URL) of file which will be opened
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*/
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bool load( const KURL &url );
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private:
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/** Esay way to add a tag to the Dom tree
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* @param &doc The document.
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* @param parentTag The parent tag to support encapsulated tags.
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* @param tagName The Name of the tag.
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* @param tagValue The data between the opening and cloding tag.
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*/
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void addTag( TQDomDocument &doc, TQDomElement &parentTag, const TQString tagName, const TQString tagValue );
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/// Reads axes parameters from the node @a n.
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/// @param n Node containing the options.
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void parseAxes( const TQDomElement &n );
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/// Reads grid parameters from the node @a n.
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/// @param n Node containing the options.
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void parseGrid( const TQDomElement &n );
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/// Reads scale parameters from the node @a n.
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/// @param n Node containing the options.
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void parseScale( const TQDomElement &n );
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/// Reads function parameters from the node @a n.
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/// @param parser points to the parser instance.
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/// @param n Node containing the options.
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void parseFunction( XParser *parser, const TQDomElement &n );
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/// Reads parameter values for a function from the node @a n.
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/// @param parser points to the parser instance.
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/// @param n Node containing the options.
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/// @param ix Function index in the parser instance
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void parseParameters( XParser *parser, const TQDomElement &n, Ufkt &ufkt);
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/// For KDE 3.3
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void parseThreeDotThreeParameters( XParser *parser, const TQDomElement &n, Ufkt &ufkt);
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///For KDE <3.3
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/// This is the same as parseScale but is made for old Kmplot-files
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void oldParseScale( const TQDomElement & n );
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/// This is the same as parseFunction but is made for old Kmplot-files
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void oldParseFunction( XParser *parser, const TQDomElement &n );
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/// This is the same as parseAxes but is made for old Kmplot-files
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void oldParseAxes( const TQDomElement &n );
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XParser *m_parser;
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};
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#endif
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