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/***************************************************************************
* Copyright (C) 2003 by *
* Jason Kivlighn (jkivlighn@gmail.com) *
* *
* 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 "fractioninput.h"
#include <ntqtimer.h>
#include <tdeglobalsettings.h>
#include "datablocks/ingredient.h"
FractionInput::FractionInput( TQWidget *parent, MixedNumber::Format format ) : KLineEdit( parent ),
m_allowRange(false),
m_validateTimer(new TQTimer(this)),
m_format(format)
{
setAlignment( TQt::AlignRight );
connect( this, TQ_SIGNAL(textChanged(const TQString&)), this, TQ_SLOT(slotStartValidateTimer()) );
connect( m_validateTimer, TQ_SIGNAL(timeout()), this, TQ_SLOT(validate()) );
}
FractionInput::~FractionInput()
{
delete m_validateTimer;
}
void FractionInput::setValue( double d, double amount_offset )
{
MixedNumber m( d );
setValue( m, amount_offset );
}
void FractionInput::setValue( const MixedNumber &m, double amount_offset )
{
TQString text = m.toString( m_format );
if ( amount_offset > 0 ) {
text += "-" + MixedNumber(m+amount_offset).toString( MixedNumber::MixedNumberFormat );
}
setText(text);
}
void FractionInput::value( MixedNumber &amount, double &amount_offset ) const
{
Ingredient i; i.setAmount( text() );
amount = MixedNumber(i.amount);
amount_offset = i.amount_offset;
}
void FractionInput::value( double &amount, double &amount_offset ) const
{
Ingredient i; i.setAmount( text() );
amount = i.amount;
amount_offset = i.amount_offset;
}
MixedNumber FractionInput::value() const
{
Ingredient i; i.setAmount( text() );
return MixedNumber(i.amount);
}
MixedNumber FractionInput::minValue() const
{
Ingredient i; i.setAmount( text() );
return MixedNumber(i.amount);
}
MixedNumber FractionInput::maxValue() const
{
Ingredient i; i.setAmount( text() );
return MixedNumber(i.amount_offset+i.amount);
}
bool FractionInput::isInputValid() const
{
if ( !m_allowRange && text().contains("-") )
return false;
bool ok;
Ingredient i; i.setAmount( text(), &ok );
return ok;
}
void FractionInput::slotStartValidateTimer()
{
if ( !m_validateTimer->isActive() )
m_validateTimer->start( 1000, true );
if ( isInputValid() )
emit valueChanged( value() );
}
void FractionInput::validate()
{
if ( isInputValid() ) {
setPaletteForegroundColor( TDEGlobalSettings::textColor() );
}
else
setPaletteForegroundColor( TQt::red );
}
bool FractionInput::isEmpty() const
{
return text().isEmpty();
}
#include "fractioninput.moc"
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