plugins/calculator/main.cpp

/* This file is part of the KDE project
   Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
 
   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.
*/
 
#include "main.h"
#include "kcalc.h"
#include "kspread_view.h"
#include "kspread_events.h"
#include "kspread_doc.h"
#include "kspread_locale.h"
#include "kspread_util.h"
#include "kspread_map.h"
#include "region.h"
 
#include <kdebug.h>
 
#include <stdio.h>
 
using namespace KSpread;
 
/***************************************************
 *
 * Factory
 *
 ***************************************************/
 
K_EXPORT_COMPONENT_FACTORY( libkspreadcalc, CalcFactory )
 
TDEInstance* CalcFactory::s_global = 0;
 
CalcFactory::CalcFactory( TQObject* parent, const char* name )
    : KLibFactory( parent, name )
{
    s_global = new TDEInstance( "kspreadcalc" );
}
 
CalcFactory::~CalcFactory()
{
    delete s_global;
}
 
TQObject* CalcFactory::createObject( TQObject* parent, const char* name, const char* /*classname*/, const TQStringList & )
{
    if ( !parent->inherits("KSpread::View") )
    {
        kdError() << "CalcFactory: KSpread::View expected. Parent is " << parent->className() << endl;
        return 0;
    }
 
    TQObject *obj = new Calculator( (View*)parent, name );
    return obj;
}
 
TDEInstance* CalcFactory::global()
{
    return s_global;
}
 
/***************************************************
 *
 * Calculator
 *
 ***************************************************/
 
Calculator::Calculator( View* parent, const char* name )
    : KParts::Plugin( parent, name )
{
    m_calc = 0;
    m_view = parent;
 
    TDEGlobal::locale()->insertCatalogue("kspreadcalc_calc");
    parent->installEventFilter( this );
 
    (void)new TDEAction( i18n("Calculator"), SmallIcon("kcalc", CalcFactory::global()),
                       0, this, TQ_SLOT( showCalculator() ), actionCollection(), "kspreadcalc");
}
 
void Calculator::showCalculator()
{
    if ( m_calc )
    {
        m_calc->show();
        m_calc->raise();
        return;
    }
 
     m_calc = new TQtCalculator( this, (View*)parent() );
     m_calc->setFixedSize( 9 + 100 + 9 + 233 + 9, 239);
     m_calc->show();
     m_calc->raise();
}
 
Calculator::~Calculator()
{
}
 
bool Calculator::eventFilter( TQObject*, TQEvent* ev )
{
    if ( !m_calc )
        return false;
 
    if ( SelectionChanged::test( ev ) )
    {
        SelectionChanged* event = (SelectionChanged*)ev;
 
        // Selection cleared ?
        if (!event->region().isValid())
            return false;
 
        Sheet* sheet = m_view->doc()->map()->findSheet( event->sheet() );
        if ( !sheet )
            return false;
 
        // A single cell selected ?
        if (event->region().isSingular())
        {
            Cell* cell = sheet->cellAt( event->rect().left(), event->rect().top(), false );
            if ( !cell )
                return false;
 
            double d;
            if ( cell->isEmpty() )
                d = 0;
            else
                d = cell->value().asFloat();
            m_calc->setValue( d );
 
            return false;
        }
 
        // Multiple cells selected ?
        m_calc->setData( event->rect(), event->sheet().latin1() );
        TQString str = util_rangeName( sheet, event->rect() );
        m_calc->setLabel( str.latin1() );
 
        return false;
    }
 
    return false;
}
 
/***************************************************
 *
 * TQtCalculator
 *
 ***************************************************/
 
void TQtCalculator::useData()
{
    stats.clearAll();
 
    // How many cells ?
    int len = ( sheet_range.right() - sheet_range.left() + 1 ) *
              ( sheet_range.bottom() - sheet_range.top() + 1 );
 
    double *v = new double[ len ];
    int n = 0;
    for( int x = sheet_range.left(); x <= sheet_range.right(); x++ )
        for( int y = sheet_range.top(); y <= sheet_range.bottom(); y++ )
        {
            View* view = corba->view();
            Sheet* sheet = view->doc()->map()->findSheet( sheet_name );
            if ( !sheet )
                return;
            Cell* cell = sheet->cellAt( x, y, false );
            if ( !cell )
                return;
 
            v[n++] = cell->value().asFloat();
        }
 
    for( int i = 0; i < n; i++ )
        stats.enterData( v[i] );
 
    delete []v;
 
    sheet_name = TQString();
}
 
#include "main.moc"