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/* This file is part of the KDE project
Copyright 2004 Tomas Mecir <mecirt@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KSPREAD_DEPENDENCIES
#define KSPREAD_DEPENDENCIES
#include <tqvaluelist.h>
#include "kspread_util.h"
namespace KSpread
{
class Sheet;
struct DependencyList;
/** Range dependency - stores information about one dependency of one cell on
one range of cells. */
struct RangeDependency {
int cellrow, cellcolumn;
Sheet *cellsheet;
Range range;
};
/**
This class manages dependencies.
No need to inherit from DocBase here, at least not yet.
TODO: describe how it works and why there are two types of dependencies
*/
class DependencyManager {
public:
/** constructor */
DependencyManager (Sheet *s);
/** destructor */
~DependencyManager ();
/** clear all data */
void reset ();
/** handle the fact that cell's contents have changed */
void cellChanged (const Point &cell);
/** handle the fact that a range has been changed */
void rangeChanged (const Range &range);
/** handle the fact that a range list has been changed */
void rangeListChanged (const RangeList &rangeList);
/** a named area was somehow modified */
void areaModified (const TQString &name);
/** get dependencies of a cell */
RangeList getDependencies (const Point &cell);
/** get cells depending on this cell, either through normal or range dependency */
TQValueList<Point> getDependants (const Point &cell);
protected:
/** local d-pointer */
DependencyList *deps;
friend class DependencyList;
};
//end of namespace
}
#endif // KSPREAD_DEPENDENCIES
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