/***************************************************************************
*   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 "dietwizarddialog.h"
#include "backends/recipedb.h"
#include "dietviewdialog.h"

#include <tqbitmap.h>
#include <tqheader.h>
#include <tqlayout.h>
#include <tqpainter.h>
#include <tqwmatrix.h>

#include <tdeapplication.h>
#include <kcursor.h>
#include <tdeglobalsettings.h>
#include <kiconloader.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <knuminput.h>
#include <kdebug.h>

#include "propertycalculator.h"
#include "widgets/propertylistview.h"
#include "widgets/categorylistview.h"

#include "profiling.h"

DietWizardDialog::DietWizardDialog( TQWidget *parent, RecipeDB *db ) : TQVBox( parent )
{
	// Initialize internal variables
	database = db;
	mealNumber = 1;
	dayNumber = 1;
	dietRList = new RecipeList();

	//Design the dialog
	setSpacing( 5 );
	// Options Box
	optionsBox = new TQHBox( this );

	daysSliderBox = new TQVGroupBox( i18n( "Number of Days" ), optionsBox );
	dayNumberLabel = new TQLabel( daysSliderBox );
	dayNumberLabel->setText( "- 1 -" );
	dayNumberLabel->setAlignment( TQt::AlignHCenter );
	dayNumberSelector = new TQSlider( daysSliderBox );

	dayNumberSelector->setOrientation( TQt::Horizontal );
	dayNumberSelector->setRange( 1, 10 );
	dayNumberSelector->setSteps( 1, 1 );
	dayNumberSelector->setTickmarks( TQSlider::Below );
	dayNumberSelector->setFixedWidth( 100 );

	mealsSliderBox = new TQVGroupBox( i18n( "Meals per Day" ), optionsBox );
	mealNumberLabel = new TQLabel( mealsSliderBox );
	mealNumberLabel->setText( "- 1 -" );
	mealNumberLabel->setAlignment( TQt::AlignHCenter );
	mealNumberSelector = new TQSlider( mealsSliderBox );

	mealNumberSelector->setOrientation( TQt::Horizontal );
	mealNumberSelector->setRange( 1, 10 );
	mealNumberSelector->setSteps( 1, 1 );
	mealNumberSelector->setTickmarks( TQSlider::Below );
	mealNumberSelector->setFixedWidth( 100 );

	// Tabs
	mealTabs = new TQTabWidget( this );
	mealTabs->setMargin( 5 );

	// Button bar
	TDEIconLoader il;

	TQHBox *bottom_layout = new TQHBox( this );
	//bottom_layout->layout()->addItem( new TQSpacerItem( 10,10, TQSizePolicy::MinimumExpanding, TQSizePolicy::Fixed ) );

	okButton = new TQPushButton( bottom_layout );
	okButton->setIconSet( il.loadIconSet( "button_ok", TDEIcon::Small ) );
	okButton->setText( i18n( "Create the diet" ) );

	TQPushButton *clearButton = new TQPushButton( bottom_layout );
	clearButton->setIconSet( il.loadIconSet( "edit-clear", TDEIcon::Small ) );
	clearButton->setText( i18n( "Clear" ) );

	// Create Tabs
	//don't use newTab, it'll load data and we don't want it to do that at startup
	mealTab = new MealInput( mealTabs, database );
	mealTabs->addTab( mealTab,i18n( "Meal 1" ) );
	mealTabs->setCurrentPage( mealTabs->indexOf( mealTab ) );

	// Signals & Slots
	connect( mealNumberSelector, TQ_SIGNAL( valueChanged( int ) ), this, TQ_SLOT( changeMealNumber( int ) ) );
	connect( dayNumberSelector, TQ_SIGNAL( valueChanged( int ) ), this, TQ_SLOT( changeDayNumber( int ) ) );
	connect( okButton, TQ_SIGNAL( clicked() ), this, TQ_SLOT( createDiet() ) );
	connect( clearButton, TQ_SIGNAL( clicked() ), this, TQ_SLOT( clear() ) );
}


DietWizardDialog::~DietWizardDialog()
{
	delete dietRList;
}

void DietWizardDialog::clear()
{
	mealNumberSelector->setValue( 1 );
	dayNumberSelector->setValue( 1 );

	MealInput* mealTab = ( MealInput* ) ( mealTabs->page( 0 ) ); // Get the meal
	mealTab->setDishNo( 3 );
	mealTab->showDish( 0 );

	for ( uint i = 0; i < mealTab->dishInputList.count(); ++i ) {
		DishInput* dishInput = mealTab->dishInputList[ i ]; // Get the dish input
		dishInput->clear();
	}
}

void DietWizardDialog::reload( ReloadFlags flag )
{
	for ( int i = 0; i < mealTabs->count(); ++i ) {
		MealInput *mealTab = (MealInput*)mealTabs->page(i);
		mealTab->reload(flag);
	}
}

void DietWizardDialog::newTab( const TQString &name )
{
	mealTab = new MealInput( mealTabs, database );
	mealTab->reload();
	mealTabs->addTab( mealTab, name );
	mealTabs->setCurrentPage( mealTabs->indexOf( mealTab ) );
}

void DietWizardDialog::changeMealNumber( int mn )
{
	mealNumberLabel->setText( TQString( i18n( "- %1 -" ) ).arg( mn ) );
	if ( mn > mealNumber ) {

		while ( mealNumber != mn ) {
			mealNumber++;
			newTab( i18n( "Meal %1" ).arg( mealNumber ) );

		}
	}
	else if ( mn < mealNumber ) {

		while ( mealNumber != mn ) {
			mealNumber--;
			delete mealTabs->page( mealTabs->count() - 1 );
		}
	}
}

void DietWizardDialog::changeDayNumber( int dn )
{

	if ( dn < 7 ) {
		dayNumber = dn;
		dayNumberLabel->setText( TQString( i18n( "- %1 -" ) ).arg( dn ) );
	}
	else if ( dn == 7 ) {
		dayNumber = 7;
		dayNumberLabel->setText( TQString( i18n( "- 1 week -" ) ) );
	}
	else {
		dayNumber = ( dn - 6 ) * 7;
		dayNumberLabel->setText( TQString( i18n( "- %1 weeks -" ) ).arg( dn - 6 ) );
	}
}

void DietWizardDialog::createDiet( void )
{
	TDEApplication::setOverrideCursor( KCursor::waitCursor() );

	START_TIMER("Creating the diet");

	RecipeList rlist;
	dietRList->clear();

	// Get the whole list of recipes, detailed
	int flags = RecipeDB::Title | getNecessaryFlags();
	database->loadRecipes( &rlist, flags );

	// temporal iterator list so elements can be removed without reloading them again from the DB
	// this list prevents the same meal from showing up in the same day twice
	TQValueList <RecipeList::Iterator> tempRList; 

	bool alert = false;

	for ( int day = 0;day < dayNumber;day++ )  // Create the diet for the number of days defined by the user
	{
		populateIteratorList( rlist, &tempRList ); // temporal iterator list so elements can be removed without reloading them again from the DB
		for ( int meal = 0;meal < mealNumber;meal++ )
		{
			int dishNo = ( ( MealInput* ) ( mealTabs->page( meal ) ) ) ->dishNo();

			for ( int dish = 0;dish < dishNo;dish++ ) {
				bool found = false;
				TQValueList <RecipeList::Iterator> tempDishRList = tempRList;
				while ( ( !found ) && !tempDishRList.empty() ) {
					int random_index = ( int ) ( ( float ) ( tdeApp->random() ) / ( float ) RAND_MAX * tempDishRList.count() );
					TQValueList<RecipeList::Iterator>::Iterator iit = tempDishRList.at( random_index ); // note that at() retrieves an iterator to the iterator list, so we need to use * in order to get the RecipeList::Iterator

					RecipeList::Iterator rit = *iit;
					if ( found = ( ( ( !categoryFiltering( meal, dish ) ) || checkCategories( *rit, meal, dish ) ) && checkConstraints( *rit, meal, dish ) ) )  // Check that the recipe is inside the constraint limits and in the categories specified
					{
						dietRList->append( *rit ); // Add recipe to the diet list
						tempRList.remove( tempRList.find(*iit) ); //can't just remove()... the iterator isn't from this list (its an iterator from tempDishRList)
					}
					else {
						tempDishRList.remove( iit ); // Remove this analized recipe from teh list
					}
				}
				if ( !found )
					alert = true;
			}
		}
	}

	if ( alert ) {
		TDEApplication::restoreOverrideCursor();
		KMessageBox::sorry( this, i18n( "I could not create a full diet list given the constraints. Either the recipe list is too short or the constraints are too demanding. " ) );
	}

	else // show the resulting diet
	{

		// make a list of dishnumbers
		TQValueList<int> dishNumbers;

		for ( int meal = 0;meal < mealNumber;meal++ ) {
			int dishNo = ( ( MealInput* ) ( mealTabs->page( meal ) ) ) ->dishNo();
			dishNumbers << dishNo;
		}

		TDEApplication::restoreOverrideCursor();

		// display the list
		DietViewDialog dietDisplay( this, *dietRList, dayNumber, mealNumber, dishNumbers );
		connect( &dietDisplay, TQ_SIGNAL( signalOk() ), this, TQ_SLOT( createShoppingList() ) );
		dietDisplay.exec();
	}

	END_TIMER();
}


void DietWizardDialog::populateIteratorList( RecipeList &rl, TQValueList <RecipeList::Iterator> *il )
{
	il->clear();
	RecipeList::Iterator it;
	for ( it = rl.begin();it != rl.end(); ++it )
		il->append( it );

}

int DietWizardDialog::getNecessaryFlags() const
{
	bool need_ingredients = false;
	bool need_categories = false;
	for ( int meal = 0;meal < mealNumber;meal++ ) {
		int dishNo = ( ( MealInput* ) ( mealTabs->page( meal ) ) ) ->dishNo();
		for ( int dish = 0;dish < dishNo;dish++ ) {
			if ( !need_categories ) {
				if ( categoryFiltering( meal, dish ) ) {
					need_categories = true;
				}
			}

			if ( !need_ingredients ) {
				ConstraintList constraints;
				loadConstraints( meal, dish, &constraints );
				for ( ConstraintList::const_iterator ct_it = constraints.begin(); ct_it != constraints.end(); ++ct_it ) {
					if ( (*ct_it).enabled ) {
						need_ingredients = true;
						break;
					}
				}
			}

			if ( need_ingredients && need_categories )
				break;
		}

		if ( need_ingredients && need_categories )
			break;
	}

	kdDebug()<<"Do we need to load ingredients: "<<need_ingredients<<endl;
	kdDebug()<<"Do we need to load categories: "<<need_categories<<endl;

	int flags = 0;
	if ( need_ingredients ) flags |= RecipeDB::Ingredients;
	if ( need_categories ) flags |= RecipeDB::Categories;

	return flags;
}


MealInput::MealInput( TQWidget *parent, RecipeDB *db ) : TQWidget( parent ),
		database( db )
{
	// Design the dialog
	TQVBoxLayout *layout = new TQVBoxLayout( this );
	layout->setSpacing( 10 );

	// Options box

	mealOptions = new TQHBox( this );
	mealOptions->setSpacing( 10 );
	layout->addWidget( mealOptions );

	// Number of dishes input
	dishNumberBox = new TQHBox( mealOptions );
	dishNumberBox->setSpacing( 10 );
	dishNumberLabel = new TQLabel( i18n( "No. of dishes: " ), dishNumberBox );
	dishNumberInput = new TQSpinBox( dishNumberBox );
	dishNumberInput->setMinValue( 1 );
	dishNumberInput->setMaxValue( 10 );
	dishNumberBox->setSizePolicy( TQSizePolicy( TQSizePolicy::Minimum, TQSizePolicy::Minimum ) );

	// Toolbar

	toolBar = new TQHGroupBox( mealOptions );
	toolBar->setFrameStyle ( TQFrame::Panel | TQFrame::Sunken );
	toolBar->setSizePolicy( TQSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::Minimum ) );

	// Next dish/ Previous dish buttons
	TDEIconLoader il;
	buttonPrev = new TQToolButton( toolBar );
	buttonPrev->setUsesTextLabel( true );
	buttonPrev->setTextLabel( i18n( "Previous Dish" ) );
	buttonPrev->setIconSet( il.loadIconSet( "back", TDEIcon::Small ) );
	buttonPrev->setTextPosition( TQToolButton::Under );
	buttonNext = new TQToolButton( toolBar );
	buttonNext->setUsesTextLabel( true );
	buttonNext->setTextLabel( i18n( "Next Dish" ) );
	buttonNext->setIconSet( il.loadIconSet( "forward", TDEIcon::Small ) );
	buttonNext->setTextPosition( TQToolButton::Under );


	// Dish widgets
	dishStack = new TQWidgetStack( this );
	layout->addWidget( dishStack );
	dishStack->setSizePolicy( TQSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding ) );
	// Add default dishes
	DishInput *newDish = new DishInput( this, database, i18n( "1st Course" ) );
	dishStack->addWidget( newDish );
	dishInputList.append( newDish );
	newDish = new DishInput( this, database, i18n( "2nd Course" ) );
	dishStack->addWidget( newDish );
	dishInputList.append( newDish );
	newDish = new DishInput( this, database, i18n( "Dessert" ) );
	dishStack->addWidget( newDish );
	dishInputList.append( newDish );
	dishNumber = 3;
	dishNumberInput->setValue( dishNumber );

	// Signals & Slots
	connect( dishNumberInput, TQ_SIGNAL( valueChanged( int ) ), this, TQ_SLOT( changeDishNumber( int ) ) );
	connect( buttonPrev, TQ_SIGNAL( clicked() ), this, TQ_SLOT( prevDish() ) );
	connect( buttonNext, TQ_SIGNAL( clicked() ), this, TQ_SLOT( nextDish() ) );

}

MealInput::~MealInput()
{}

void MealInput::reload( ReloadFlags flag )
{
	TQValueList<DishInput*>::iterator it;
	for ( it = dishInputList.begin(); it != dishInputList.end(); ++it ) {
		DishInput *di = ( *it );
		di->reload(flag);
	}
}

void MealInput::setDishNo( int dn )
{
	dishNumberInput->setValue( dn );
}

void MealInput::changeDishNumber( int dn )
{
	if ( dn > dishNumber ) {
		while ( dishNumber != dn ) {
			DishInput * newDish = new DishInput( this, database, TQString( i18n( "Dish %1" ) ).arg( dishNumber + 1 ) );
			newDish->reload();
			dishStack->addWidget( newDish );
			dishInputList.append( newDish );
			dishStack->raiseWidget( newDish );
			dishNumber++;
		}
	}
	else if ( dn < dishNumber ) {
		TQValueList <DishInput*>::Iterator it;
		while ( dishNumber != dn ) {
			it = dishInputList.fromLast();
			DishInput *lastDish = ( *it );
			dishInputList.remove( it );

			if ( ( *it ) == ( DishInput* ) dishStack->visibleWidget() ) {
				it--;
				dishStack->raiseWidget( *it );
			}
			delete lastDish;
			dishNumber--;
		}
	}
}


void MealInput::nextDish( void )
{
	// First get the place of the current dish input in the list
	TQValueList <DishInput*>::iterator it = dishInputList.find( ( DishInput* ) ( dishStack->visibleWidget() ) );

	//Show the next dish if it exists
	it++;
	if ( it != dishInputList.end() ) {
		dishStack->raiseWidget( *it );
	}

}

void MealInput::prevDish( void )
{
	// First get the place of the current dish input in the list
	TQValueList <DishInput*>::iterator it = dishInputList.find( ( DishInput* ) ( dishStack->visibleWidget() ) );

	//Show the previous dish if it exists
	it--;
	if ( it != dishInputList.end() ) {
		dishStack->raiseWidget( *it );
	}
}

void MealInput::showDish( int dn )
{
	TQValueList <DishInput*>::iterator it = dishInputList.at( dn );
	if ( it != dishInputList.end() )
		dishStack->raiseWidget( *it );
}

DishInput::DishInput( TQWidget* parent, RecipeDB *db, const TQString &title ) : TQWidget( parent ),
	database(db)
{

	// Initialize internal variables
	categoryFiltering = false;

	// Design the widget

	TQVBoxLayout *layout = new TQVBoxLayout( this );
	layout->setSpacing( 10 );

	//Horizontal Box to hold the TDEListView's
	listBox = new TQHGroupBox( i18n( "Dish Characteristics" ), this );
	layout->addWidget( listBox );

	// Dish id
	dishTitle = new DishTitle( listBox, title );

	//Categories list
	categoriesBox = new TQVBox( listBox );
	categoriesEnabledBox = new TQCheckBox( categoriesBox );
	categoriesEnabledBox->setText( i18n( "Enable Category Filtering" ) );

	categoriesView = new CategoryCheckListView( categoriesBox, database, false );
	categoriesView->setSizePolicy( TQSizePolicy::Ignored, TQSizePolicy::Ignored );
	categoriesView->setEnabled( false ); // Disable it by default

	//Constraints list
	constraintsView = new PropertyConstraintListView( listBox, database );
	constraintsView->setSizePolicy( TQSizePolicy::Ignored, TQSizePolicy::Ignored );
	constraintsView->reload();

	// KDoubleInput based edit boxes
	constraintsEditBox1 = new KDoubleNumInput( constraintsView->viewport() );
	constraintsView->addChild( constraintsEditBox1 );
	constraintsEditBox1->hide();
	constraintsEditBox2 = new KDoubleNumInput( constraintsView->viewport() );
	constraintsView->addChild( constraintsEditBox2 );
	constraintsEditBox2->hide();


	// Connect Signals & Slots
	connect( constraintsView, TQ_SIGNAL( executed( TQListViewItem* ) ), this, TQ_SLOT( insertConstraintsEditBoxes( TQListViewItem* ) ) );
	connect( constraintsView, TQ_SIGNAL( selectionChanged() ), this, TQ_SLOT( hideConstraintInputs() ) );
	connect( constraintsEditBox1, TQ_SIGNAL( valueChanged( double ) ), this, TQ_SLOT( setMinValue( double ) ) );
	connect( constraintsEditBox2, TQ_SIGNAL( valueChanged( double ) ), this, TQ_SLOT( setMaxValue( double ) ) );
	connect( categoriesEnabledBox, TQ_SIGNAL( toggled( bool ) ), this, TQ_SLOT( enableCategories( bool ) ) );
}

DishInput::~DishInput()
{}

void DishInput::clear()
{
	TQListViewItemIterator it( categoriesView );
	while ( it.current() ) {
		TQCheckListItem * item = ( TQCheckListItem* ) it.current();
		item->setOn( false );
		++it;
	}

	constraintsView->reload();
	categoriesEnabledBox->setChecked( false );
}

void DishInput::enableCategories( bool enable )
{
	categoriesView->setEnabled( enable );
	categoryFiltering = enable;
}

bool DishInput::isCategoryFilteringEnabled( void ) const
{
	return categoryFiltering;
}

void DishInput::reload( ReloadFlags flag )
{
	constraintsView->reload();
	categoriesView->reload(flag);
}

void DishInput::insertConstraintsEditBoxes( TQListViewItem* it )
{
	TQRect r;

	// Constraints Box1
	r = constraintsView->header() ->sectionRect( 2 ); //start at the section 2 header
	r.moveBy( 0, constraintsView->itemRect( it ).y() ); //Move down to the item, note that its height is same as header's right now.

	r.setHeight( it->height() ); // Set the item's height
	r.setWidth( constraintsView->header() ->sectionRect( 2 ).width() ); // and width
	constraintsEditBox1->setGeometry( r );


	//Constraints Box2
	r = constraintsView->header() ->sectionRect( 3 ); //start at the section 3 header
	r.moveBy( 0, constraintsView->itemRect( it ).y() ); //Move down to the item

	r.setHeight( it->height() ); // Set the item's height
	r.setWidth( constraintsView->header() ->sectionRect( 3 ).width() ); // and width
	constraintsEditBox2->setGeometry( r );

	// Set the values from the item
	constraintsEditBox1->setValue( ( ( ConstraintsListItem* ) it ) ->minVal() );
	constraintsEditBox2->setValue( ( ( ConstraintsListItem* ) it ) ->maxVal() );

	// Show Boxes
	constraintsEditBox1->show();
	constraintsEditBox2->show();
}

void DishInput::hideConstraintInputs()
{
	constraintsEditBox1->hide();
	constraintsEditBox2->hide();
}

void DishInput::loadConstraints( ConstraintList *constraints ) const
{
	constraints->clear();
	Constraint constraint;
	for ( ConstraintsListItem * it = ( ConstraintsListItem* ) ( constraintsView->firstChild() );it;it = ( ConstraintsListItem* ) ( it->nextSibling() ) ) {
		constraint.id = it->propertyId();
		constraint.min = it->minVal();
		constraint.max = it->maxVal();
		constraint.enabled = it->isOn();
		constraints->append( constraint );
	}
}

void DishInput::loadEnabledCategories( ElementList* categories )
{
	categories->clear();

	// Only load those that are checked, unless filtering is disabled
	if ( !categoriesView->isEnabled() ) {
		database->loadCategories(categories);
	}
	else {
		*categories = categoriesView->selections();
	}
}

void DishInput::setMinValue( double minValue )
{
	ConstraintsListItem *it = ( ConstraintsListItem* ) ( constraintsView->selectedItem() ); // Find selected property

	if ( it )
		it->setMin( minValue );
}

void DishInput::setMaxValue( double maxValue )
{
	ConstraintsListItem *it = ( ConstraintsListItem* ) ( constraintsView->selectedItem() ); // Find selected property

	if ( it )
		it->setMax( maxValue );
}

DishTitle::DishTitle( TQWidget *parent, const TQString &title ) : TQWidget( parent )
{
	titleText = title;
}


DishTitle::~DishTitle()
{}

void DishTitle::paintEvent( TQPaintEvent * )
{
	// Now draw the text
	TQPainter painter( this );

	// First draw the decoration
	painter.setPen( TDEGlobalSettings::activeTitleColor() );
	painter.setBrush( TQBrush( TDEGlobalSettings::activeTitleColor() ) );
	painter.drawRoundRect( 0, 20, 30, height() - 40, 50, ( int ) ( 50.0 / ( height() - 40 ) * 35.0 ) );

	// Now draw the text

	TQFont titleFont = TDEGlobalSettings::windowTitleFont ();
	titleFont.setPointSize( 15 );
	painter.setFont( titleFont );
	painter.rotate( -90 );
	painter.setPen( TQColor( 0x00, 0x00, 0x00 ) );
	painter.drawText( 0, 0, -height(), 30, AlignCenter, titleText );
	painter.setPen( TQColor( 0xFF, 0xFF, 0xFF ) );
	painter.drawText( -1, -1, -height() - 1, 29, AlignCenter, titleText );
	painter.end();
}

TQSize DishTitle::sizeHint () const
{
	return ( TQSize( 40, 200 ) );
}

TQSize DishTitle::minimumSizeHint() const
{
	return ( TQSize( 40, 200 ) );
}

bool DietWizardDialog::checkCategories( Recipe &rec, int meal, int dish )
{

	// Check if the recipe is among the categories chosen
	ElementList categoryList;
	loadEnabledCategories( meal, dish, &categoryList );


	for ( ElementList::const_iterator cat_it = rec.categoryList.begin(); cat_it != rec.categoryList.end(); ++cat_it ) {
		if ( categoryList.containsId( ( *cat_it ).id ) )
			return true;
	}

	return false;
}

/*
** Calculate the recipe Properties and check if they're within the constraints
*/

bool DietWizardDialog::checkConstraints( Recipe &rec, int meal, int dish )
{
	// Check if the properties are within the constraints
	ConstraintList constraints;
	loadConstraints( meal, dish, &constraints ); //load the constraints

	bool any_enabled = false;
	for ( ConstraintList::const_iterator ct_it = constraints.begin(); ct_it != constraints.end(); ++ct_it ) {
		if ( (*ct_it).enabled ) {
			any_enabled = true;
			break;
		}
	}
	if ( !any_enabled )
		return true;

	// Calculate properties of the recipe
	calculateProperties( rec, database );

	bool withinLimits = checkLimits( rec.properties, constraints );

	return ( withinLimits );
}

void DietWizardDialog::loadConstraints( int meal, int dish, ConstraintList *constraints ) const
{
	MealInput * mealTab = ( MealInput* ) ( mealTabs->page( meal ) ); // Get the meal
	DishInput* dishInput = mealTab->dishInputList[ dish ]; // Get the dish input
	dishInput->loadConstraints( constraints ); //Load the constraints form the TDEListView
}

void DietWizardDialog::loadEnabledCategories( int meal, int dish, ElementList *categories )
{
	MealInput * mealTab = ( MealInput* ) ( mealTabs->page( meal ) ); // Get the meal
	DishInput* dishInput = mealTab->dishInputList[ dish ]; // Get the dish input
	dishInput->loadEnabledCategories( categories ); //Load the categories that have been checked in the TDEListView
}

bool DietWizardDialog::categoryFiltering( int meal, int dish ) const
{
	MealInput * mealTab = ( MealInput* ) ( mealTabs->page( meal ) ); // Get the meal
	DishInput* dishInput = mealTab->dishInputList[ dish ]; // Get the dish input
	return ( dishInput->isCategoryFilteringEnabled() ); //Load the categories that have been checked in the TDEListView
}

bool DietWizardDialog::checkLimits( IngredientPropertyList &properties, ConstraintList &constraints )
{
	for ( ConstraintList::const_iterator ct_it = constraints.begin(); ct_it != constraints.end(); ++ct_it ) {
		if ( (*ct_it).enabled ) {
			IngredientPropertyList::const_iterator ip_it = properties.find( (*ct_it).id );
			if ( ip_it != properties.end() ) {
				if ( ( (*ip_it).amount > (*ct_it).max ) || ( (*ip_it).amount < (*ct_it).min ) )
					return false;
			}
			else
				return false;
		}
	}
	return true;
}

void DietWizardDialog::createShoppingList( void )
{
	emit dietReady();
}

RecipeList& DietWizardDialog::dietList( void )
{
	return *dietRList;
}

#include "dietwizarddialog.moc"
