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/***************************************************************************
* Copyright (C) 2003 by *
* Unai Garro (ugarro@users.sourceforge.net) *
* Cyril Bosselut (bosselut@b1project.com) *
* 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 "resizerecipedialog.h"
#include <cmath>
#include <ntqvbox.h>
#include <ntqvariant.h>
#include <ntqbuttongroup.h>
#include <ntqframe.h>
#include <ntqlabel.h>
#include <knuminput.h>
#include <klineedit.h>
#include <ntqradiobutton.h>
#include <ntqlayout.h>
#include <ntqtooltip.h>
#include <ntqwhatsthis.h>
#include <ntqimage.h>
#include <ntqpixmap.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <kdebug.h>
#include "datablocks/recipe.h"
#include "widgets/fractioninput.h"
#define FACTOR_RADIO_BUTTON 0
#define SERVINGS_RADIO_BUTTON 1
ResizeRecipeDialog::ResizeRecipeDialog( TQWidget *parent, Recipe *recipe )
: KDialogBase( parent, "ResizeRecipeDialog", true, i18n( "Resize Recipe" ),
KDialogBase::Ok | KDialogBase::Cancel, KDialogBase::Ok ),
m_recipe( recipe )
{
TQVBox *page = makeVBoxMainWidget();
buttonGroup = new TQButtonGroup( page );
buttonGroup->setSizePolicy( TQSizePolicy( ( TQSizePolicy::SizeType ) 5, ( TQSizePolicy::SizeType ) 7, 0, 1, buttonGroup->sizePolicy().hasHeightForWidth() ) );
buttonGroup->setLineWidth( 0 );
buttonGroup->setColumnLayout( 0, TQt::Vertical );
buttonGroup->layout() ->setSpacing( 6 );
buttonGroup->layout() ->setMargin( 11 );
buttonGroupLayout = new TQVBoxLayout( buttonGroup->layout() );
buttonGroupLayout->setAlignment( TQt::AlignTop );
yieldRadioButton = new TQRadioButton( buttonGroup );
buttonGroup->insert( yieldRadioButton, SERVINGS_RADIO_BUTTON );
buttonGroupLayout->addWidget( yieldRadioButton );
yieldFrame = new TQFrame( buttonGroup );
yieldFrame->setFrameShape( TQFrame::Box );
yieldFrame->setFrameShadow( TQFrame::Sunken );
yieldFrame->setLineWidth( 1 );
yieldFrameLayout = new TQGridLayout( yieldFrame, 1, 1, 11, 6 );
currentYieldLabel = new TQLabel( yieldFrame );
yieldFrameLayout->addWidget( currentYieldLabel, 0, 0 );
newYieldLabel = new TQLabel( yieldFrame );
yieldFrameLayout->addMultiCellWidget( newYieldLabel, 1, 1, 0, 1 );
currentYieldInput = new KLineEdit( yieldFrame );
currentYieldInput->setReadOnly( TRUE );
currentYieldInput->setAlignment( TQt::AlignRight );
yieldFrameLayout->addMultiCellWidget( currentYieldInput, 0, 0, 1, 2 );
newYieldInput = new FractionInput( yieldFrame );
yieldFrameLayout->addWidget( newYieldInput, 1, 2 );
buttonGroupLayout->addWidget( yieldFrame );
factorRadioButton = new TQRadioButton( buttonGroup );
buttonGroup->insert( factorRadioButton, FACTOR_RADIO_BUTTON );
buttonGroupLayout->addWidget( factorRadioButton );
factorFrame = new TQFrame( buttonGroup );
factorFrame->setSizePolicy( TQSizePolicy( ( TQSizePolicy::SizeType ) 7, ( TQSizePolicy::SizeType ) 5, 1, 0, factorFrame->sizePolicy().hasHeightForWidth() ) );
factorFrame->setFrameShape( TQFrame::Box );
factorFrame->setFrameShadow( TQFrame::Sunken );
factorFrame->setLineWidth( 1 );
factorFrameLayout = new TQHBoxLayout( factorFrame, 11, 6 );
factorLabel = new TQLabel( factorFrame );
factorFrameLayout->addWidget( factorLabel );
factorInput = new FractionInput( factorFrame );
factorInput->setSizePolicy( TQSizePolicy( ( TQSizePolicy::SizeType ) 7, ( TQSizePolicy::SizeType ) 5, 0, 0, factorInput->sizePolicy().hasHeightForWidth() ) );
factorFrameLayout->addWidget( factorInput );
buttonGroupLayout->addWidget( factorFrame );
languageChange();
newYieldInput->setValue( m_recipe->yield.amount, 0 ); //Ignore the range info, it doesn't work in this context
currentYieldInput->setText( m_recipe->yield.toString() );
if ( recipe->yield.amount_offset > 0 ) {
yieldRadioButton->setEnabled(false);
buttonGroup->setButton( FACTOR_RADIO_BUTTON );
activateCurrentOption( FACTOR_RADIO_BUTTON );
}
else {
buttonGroup->setButton( SERVINGS_RADIO_BUTTON );
activateCurrentOption( SERVINGS_RADIO_BUTTON );
}
// signals and slots connections
connect( buttonGroup, SIGNAL( clicked( int ) ), this, SLOT( activateCurrentOption( int ) ) );
}
void ResizeRecipeDialog::languageChange()
{
buttonGroup->setTitle( TQString::null );
yieldRadioButton->setText( i18n( "Scale by yield" ) );
newYieldLabel->setText( i18n( "New yield:" ) );
currentYieldLabel->setText( i18n( "Current yield:" ) );
factorRadioButton->setText( i18n( "Scale by factor" ) );
factorLabel->setText( i18n( "Factor (i.e. 1/2 to half, 3 to triple):" ) );
}
void ResizeRecipeDialog::activateCurrentOption( int button_id )
{
switch ( button_id ) {
case SERVINGS_RADIO_BUTTON:
factorFrame->setEnabled( false );
yieldFrame->setEnabled( true );
break;
case FACTOR_RADIO_BUTTON:
factorFrame->setEnabled( true );
yieldFrame->setEnabled( false );
break;
default:
break;
}
}
void ResizeRecipeDialog::accept()
{
if ( currentYieldInput->text().toInt() == 0 )
KMessageBox::error( this, i18n( "Unable to scale a recipe with zero yield" ) );
else if ( buttonGroup->selected() == yieldRadioButton ) {
if ( newYieldInput->isInputValid() ) {
double new_yield = newYieldInput->value().toDouble();
double current_yield = MixedNumber::fromString(currentYieldInput->text()).toDouble();
resizeRecipe( new_yield / current_yield );
}
else {
KMessageBox::error( this, i18n( "Invalid input" ) );
newYieldInput->selectAll();
return;
}
}
else {
if ( factorInput->isInputValid() && factorInput->value() > 0 )
resizeRecipe( factorInput->value().toDouble() );
else {
KMessageBox::error( this, i18n( "Invalid input" ) );
factorInput->selectAll();
return ;
}
}
TQDialog::accept();
}
//TODO YIELD: handle ranges
void ResizeRecipeDialog::resizeRecipe( double factor )
{
m_recipe->yield.amount = MixedNumber::fromString(currentYieldInput->text()).toDouble() * factor;
for ( IngredientList::iterator ing_it = m_recipe->ingList.begin(); ing_it != m_recipe->ingList.end(); ++ing_it ) {
( *ing_it ).amount = ( *ing_it ).amount * factor;
( *ing_it ).amount_offset = ( *ing_it ).amount_offset * factor;
}
}
#include "resizerecipedialog.moc"
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