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/*
**************************************************************************
description
--------------------
copyright : (C) 2002 by Andreas Zehender
email : zehender@kde.org
**************************************************************************
**************************************************************************
* *
* 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. *
* *
**************************************************************************/
#include "pmpolynom.h"
#include "pmpolynomedit.h"
#include "pmxmlhelper.h"
#include "pmmemento.h"
#include <klocale.h>
const double c_defaultCoefficients[10] =
{ // Hyperboloid_Y
1.0, 0.0, 0.0,
0.0, -1.0, 0.0,
0.0, 1.0, 0.0,
-1.0
};
const int c_defaultOrder = 2;
const bool c_defaultSturm = true;
const int c_polynomSize[8] = { 0, 0, 10, 20, 35, 56, 84, 120 };
PMDefinePropertyClass( PMPolynom, PMPolynomProperty );
class PMCoefficientProperty : public PMPropertyBase
{
public:
PMCoefficientProperty( )
: PMPropertyBase( "coefficients", PMVariant::Double )
{
m_index = 0;
}
virtual int dimensions( ) const { return 1; }
virtual void setIndex( int /*dimension*/, int index )
{
m_index = index;
}
virtual int size( PMObject* object, int /*dimension*/ ) const
{
return c_polynomSize[ ( ( PMPolynom* ) object )->polynomOrder( ) ];
}
protected:
virtual bool setProtected( PMObject* obj, const PMVariant& var )
{
PMPolynom* p = ( PMPolynom* ) obj;
PMVector v = p->coefficients( );
v[m_index] = var.doubleData( );
p->setCoefficients( v );
return true;
}
virtual PMVariant getProtected( const PMObject* obj )
{
PMPolynom* p = ( PMPolynom* ) obj;
return PMVariant( p->coefficients( )[m_index] );
}
private:
int m_index;
};
PMMetaObject* PMPolynom::s_pMetaObject = 0;
PMObject* createNewPolynom( PMPart* part )
{
return new PMPolynom( part );
}
PMPolynom::PMPolynom( PMPart* part )
: Base( part )
{
int i;
m_order = c_defaultOrder;
m_coefficients = PMVector( 10 );
for( i = 0; i < 10; i++ )
m_coefficients[i] = c_defaultCoefficients[i];
m_sturm = c_defaultSturm;
}
PMPolynom::PMPolynom( const PMPolynom& p )
: Base( p )
{
m_order = p.m_order;
m_coefficients = p.m_coefficients;
m_sturm = p.m_sturm;
}
PMPolynom::~PMPolynom( )
{
}
TQString PMPolynom::description( ) const
{
if( m_order == 2 )
return i18n( "quadric" );
else if( m_order == 3 )
return i18n( "cubic" );
else if( m_order == 4 )
return i18n( "quartic" );
return i18n( "polynom" );
}
void PMPolynom::serialize( TQDomElement& e, TQDomDocument& doc ) const
{
e.setAttribute( "order", m_order );
e.setAttribute( "coefficients", m_coefficients.serializeXML( ) );
e.setAttribute( "sturm", m_sturm );
Base::serialize( e, doc );
}
void PMPolynom::readAttributes( const PMXMLHelper& h )
{
m_order = h.intAttribute( "order", c_defaultOrder );
m_coefficients = h.vectorAttribute( "coefficients", m_coefficients );
m_sturm = h.boolAttribute( "sturm", c_defaultSturm );
Base::readAttributes( h );
}
PMMetaObject* PMPolynom::tqmetaObject( ) const
{
if( !s_pMetaObject )
{
s_pMetaObject = new PMMetaObject( "Polynom", Base::tqmetaObject( ),
createNewPolynom );
s_pMetaObject->addProperty(
new PMPolynomProperty( "polynomOrder", &PMPolynom::setPolynomOrder,
&PMPolynom::polynomOrder ) );
s_pMetaObject->addProperty(
new PMPolynomProperty( "sturm", &PMPolynom::setSturm,
&PMPolynom::sturm ) );
s_pMetaObject->addProperty( new PMCoefficientProperty( ) );
}
return s_pMetaObject;
}
void PMPolynom::cleanUp( ) const
{
if( s_pMetaObject )
{
delete s_pMetaObject;
s_pMetaObject = 0;
}
Base::cleanUp( );
}
PMDialogEditBase* PMPolynom::editWidget( TQWidget* tqparent ) const
{
return new PMPolynomEdit( tqparent );
}
void PMPolynom::setPolynomOrder( int o )
{
if( ( o < 2 ) || ( o > 7 ) )
{
kdError( PMArea ) << "Invalid order in PMPolynom::setPolynomOrder\n";
o = 2;
}
if( o != m_order )
{
if( m_pMemento )
{
m_pMemento->addData( s_pMetaObject, PMOrderID, m_order );
if( ( o <= 4 ) || ( m_order <= 4 ) )
m_pMemento->setDescriptionChanged( );
}
m_order = o;
}
}
void PMPolynom::setCoefficients( const PMVector& c )
{
if( c.size( ) != ( unsigned ) c_polynomSize[m_order] )
kdError( PMArea ) << "Wrong vector size in PMPolynom::setCoefficients\n";
if( c != m_coefficients )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMCoefficientsID, m_coefficients );
m_coefficients = c;
m_coefficients.resize( c_polynomSize[m_order] );
//setViewStructureChanged( );
}
}
void PMPolynom::setSturm( bool s )
{
if( m_sturm != s )
{
if( m_pMemento )
m_pMemento->addData( s_pMetaObject, PMSturmID, m_sturm );
m_sturm = s;
}
}
void PMPolynom::restoreMemento( PMMemento* s )
{
PMMementoDataIterator it( s );
PMMementoData* data;
for( ; it.current( ); ++it )
{
data = it.current( );
if( data->objectType( ) == s_pMetaObject )
{
switch( data->valueID( ) )
{
case PMOrderID:
setPolynomOrder( data->intData( ) );
break;
case PMCoefficientsID:
setCoefficients( data->vectorData( ) );
break;
case PMSturmID:
setSturm( data->boolData( ) );
break;
default:
kdError( PMArea ) << "Wrong ID in PMPolynom::restoreMemento\n";
break;
}
}
}
Base::restoreMemento( s );
}
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