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122 lines
2.9 KiB
122 lines
2.9 KiB
/***************************************************************************
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* Copyright (C) 2003 by *
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* Jason Kivlighn (jkivlighn@gmail.com) *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "fractioninput.h"
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#include <ntqtimer.h>
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#include <tdeglobalsettings.h>
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#include "datablocks/ingredient.h"
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FractionInput::FractionInput( TQWidget *parent, MixedNumber::Format format ) : KLineEdit( parent ),
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m_allowRange(false),
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m_validateTimer(new TQTimer(this)),
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m_format(format)
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{
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setAlignment( TQt::AlignRight );
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connect( this, TQ_SIGNAL(textChanged(const TQString&)), this, TQ_SLOT(slotStartValidateTimer()) );
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connect( m_validateTimer, TQ_SIGNAL(timeout()), this, TQ_SLOT(validate()) );
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}
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FractionInput::~FractionInput()
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{
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delete m_validateTimer;
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}
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void FractionInput::setValue( double d, double amount_offset )
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{
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MixedNumber m( d );
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setValue( m, amount_offset );
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}
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void FractionInput::setValue( const MixedNumber &m, double amount_offset )
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{
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TQString text = m.toString( m_format );
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if ( amount_offset > 0 ) {
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text += "-" + MixedNumber(m+amount_offset).toString( MixedNumber::MixedNumberFormat );
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}
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setText(text);
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}
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void FractionInput::value( MixedNumber &amount, double &amount_offset ) const
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{
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Ingredient i; i.setAmount( text() );
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amount = MixedNumber(i.amount);
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amount_offset = i.amount_offset;
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}
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void FractionInput::value( double &amount, double &amount_offset ) const
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{
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Ingredient i; i.setAmount( text() );
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amount = i.amount;
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amount_offset = i.amount_offset;
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}
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MixedNumber FractionInput::value() const
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{
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Ingredient i; i.setAmount( text() );
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return MixedNumber(i.amount);
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}
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MixedNumber FractionInput::minValue() const
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{
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Ingredient i; i.setAmount( text() );
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return MixedNumber(i.amount);
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}
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MixedNumber FractionInput::maxValue() const
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{
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Ingredient i; i.setAmount( text() );
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return MixedNumber(i.amount_offset+i.amount);
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}
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bool FractionInput::isInputValid() const
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{
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if ( !m_allowRange && text().contains("-") )
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return false;
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bool ok;
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Ingredient i; i.setAmount( text(), &ok );
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return ok;
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}
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void FractionInput::slotStartValidateTimer()
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{
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if ( !m_validateTimer->isActive() )
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m_validateTimer->start( 1000, true );
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if ( isInputValid() )
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emit valueChanged( value() );
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}
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void FractionInput::validate()
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{
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if ( isInputValid() ) {
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setPaletteForegroundColor( TDEGlobalSettings::textColor() );
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}
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else
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setPaletteForegroundColor( TQt::red );
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}
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bool FractionInput::isEmpty() const
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{
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return text().isEmpty();
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}
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#include "fractioninput.moc"
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