//
//  PickerViewViewController.m
//  PickerView
//
//  Created by Ciro Xavier on 3/16/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "PickerViewViewController.h"

@implementation PickerViewViewController

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
	return 2;
}


- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
{
	if(component == 0)
	{
		return [continente count];
	}
	else if (component == 1)
	{
		// pega o array de paises do continente selecionado
		NSMutableDictionary *d = [continente objectAtIndex:selectedContinent];
		NSMutableArray *paises = [d objectForKey:@"paises"];

		// retorna o numero de paises do vetor
		return [paises count];
	}
	else
	{
		NSLog(@"Componente invalido, component=%d",component);
	}


	return 0;
}

- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
	if (component == 0)
	{
		// nome do continente
		return [[continente objectAtIndex:row] objectForKey:@"nome"];
	}
	else if (component == 1)
	{
		// pegar vetor de paises
		NSMutableDictionary *d = [continente objectAtIndex:selectedContinent];
		NSMutableArray *paises = [d objectForKey:@"paises"];

		// retorna o nome do pais
		return [[paises objectAtIndex:row] objectForKey:@"nome"];
	}

	return nil;
}

- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component
{
	if (component == 0)
	{
		selectedContinent = row;

		// recarrega os dados da coluna da direita
		[pv reloadComponent:1];
		[pv selectRow:0 inComponent:1 animated:YES];

		// pega o nome da imagem
		NSMutableDictionary *dadosContinente = [continente objectAtIndex:selectedContinent];
		NSMutableArray *paisesDoContinente = [dadosContinente objectForKey:@"paises"];
		NSMutableDictionary *dadosPais = [paisesDoContinente objectAtIndex:0];
		NSString *nomeDaImagem = [dadosPais objectForKey:@"imagem"];

		// carrega imagem
		UIImage *img = [UIImage imageNamed:nomeDaImagem];
		// colocar a imagem no imageView
		imgv.image = img;
	}
	else if (component == 1)
	{
		// pega o nome da imagem
		NSMutableDictionary *dadosContinente = [continente objectAtIndex:selectedContinent];

		NSMutableArray *paisesDoContinente = [dadosContinente objectForKey:@"paises"];

		NSMutableDictionary *dadosPais = [paisesDoContinente objectAtIndex:row];

		NSString *nomeDaImagem = [dadosPais objectForKey:@"imagem"];

		// carrega a imagem
		UIImage *img = [UIImage imageNamed:nomeDaImagem];
		// colocar a imagem no imageView
		imgv.image = img;

	}


}

/*
// The designated initializer. Override to perform setup that is required before the view is loaded.
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}
*/

/*
// Implement loadView to create a view hierarchy programmatically, without using a nib.
- (void)loadView {
}
*/



// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
    [super viewDidLoad];

	// alocar o array
	continente = [[NSMutableArray alloc] init];

	// ********** africa
	NSMutableDictionary *cont = [[[NSMutableDictionary alloc] init] autorelease];

	NSMutableArray *paises = [[[NSMutableArray alloc] init] autorelease];

	// cria o camaroes
	NSMutableDictionary *pais = [[[NSMutableDictionary alloc] init] autorelease];

	[pais setObject:@"Cameroon" forKey:@"nome"];
	[pais setObject:@"Cameroon.gif" forKey:@"imagem"];

	[paises addObject:pais];

	// cria a africa do sul
	pais = [[[NSMutableDictionary alloc] init] autorelease];

	[pais setObject:@"South Africa" forKey:@"nome"];
	[pais setObject:@"South Africa.gif" forKey:@"imagem"];

	[paises addObject:pais];

	// adiciona lista de paises  ao continente
	[cont setObject:paises forKey:@"paises"];
	[cont setObject:@"Africa" forKey:@"nome"];

	[continente addObject:cont];

	// *********** america
	cont = [[[NSMutableDictionary alloc] init] autorelease];

	paises = [[[NSMutableArray alloc] init] autorelease];

	// cria o brasil
	pais = [[[NSMutableDictionary alloc] init] autorelease];
	[pais setObject:@"Brasil" forKey:@"nome"];
	[pais setObject:@"Brazil.gif" forKey:@"imagem"];

	[paises addObject:pais];

	// cria o EUA
	pais = [[[NSMutableDictionary alloc] init] autorelease];
	[pais setObject:@"Estados Unidos" forKey:@"nome"];
	[pais setObject:@"USA.gif" forKey:@"imagem"];

	[paises addObject:pais];

	// cria o Mexico
	pais = [[[NSMutableDictionary alloc] init] autorelease];
	[pais setObject:@"Mexico" forKey:@"nome"];
	[pais setObject:@"Mexico.gif" forKey:@"imagem"];

	[paises addObject:pais];

	// adiciona lista de paises  ao continente
	[cont setObject:paises forKey:paises];
	[cont setObject:@"America" forKey:@"nome"];

	[continente addObject:cont];

	// *********** europa
	cont = [[[NSMutableDictionary alloc] init] autorelease];

	paises = [[[NSMutableArray alloc] init] autorelease];

	// cria o italia
	pais = [[[NSMutableDictionary alloc] init] autorelease];
	[pais setObject:@"Italia" forKey:@"nome"];
	[pais setObject:@"Italy.gif" forKey:@"imagem"];

	[paises addObject:pais];

	// cria o Portugal
	pais = [[[NSMutableDictionary alloc] init] autorelease];
	[pais setObject:@"Portugal" forKey:@"nome"];
	[pais setObject:@"Portugal.gif" forKey:@"imagem"];

	[paises addObject:pais];

	// adiciona lista de paises  ao continente
	[cont setObject:paises forKey:paises];
	[cont setObject:@"Europa" forKey:@"nome"];

	[continente addObject:cont];

	selectedContinent = 0;

}



/*
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
    // Return YES for supported orientations
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
*/

- (void)didReceiveMemoryWarning {
	// Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];

	// Release any cached data, images, etc that aren't in use.
}

- (void)viewDidUnload {
	// Release any retained subviews of the main view.
	// e.g. self.myOutlet = nil;
}


- (void)dealloc {
    [super dealloc];
}

@end