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/***************************************************************************
* Copyright (C) 2003 by David Saxton *
* david@bluehaze.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 "ecresistor.h"
#include "libraryitem.h"
#include "resistance.h"
#include <klocale.h>
#include <qpainter.h>
Item* ECResistor::construct( ItemDocument *itemDocument, bool newItem, const char *id )
{
return new ECResistor( (ICNDocument*)itemDocument, newItem, id );
}
LibraryItem* ECResistor::libraryItem()
{
return new LibraryItem(
"ec/resistor",
i18n("Resistor"),
i18n("Discrete"),
"resistor.png",
LibraryItem::lit_component,
ECResistor::construct );
}
ECResistor::ECResistor( ICNDocument *icnDocument, bool newItem, const char *id )
: Component( icnDocument, newItem, id ? id : "resistor" )
{
m_name = i18n("Resistor");
m_desc = i18n("Limits the flow of current, obeying Ohms Law");
setSize( -16, -8, 32, 16 );
init1PinLeft();
init1PinRight();
m_resistance = createResistance( m_pPNode[0], m_pNNode[0], 1. );
createProperty( "resistance", Variant::Type::Double );
property("resistance")->setCaption( i18n("Resistance") );
property("resistance")->setUnit( QChar(0x3a9) );
property("resistance")->setValue(1e4);
property("resistance")->setMinValue(1e-6);
addDisplayText( "res", QRect( -16, -22, 32, 12 ), "", false );
}
ECResistor::~ECResistor()
{
}
void ECResistor::dataChanged()
{
double resistance = dataDouble("resistance");
QString display = QString::number( resistance / getMultiplier(resistance), 'g', 3 ) + getNumberMag(resistance) + QChar(0x3a9);
setDisplayText( "res", display );
m_resistance->setResistance(resistance);
}
void ECResistor::drawShape( QPainter &p )
{
initPainter(p);
p.drawRect( (int)x()-16, (int)y()-6, width(), 12 );
deinitPainter(p);
}
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