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keithelliott/ChooserViewController.h

Created March 2, 2013 16:33
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ChooserViewController
Raw
ChooserViewController.h
#import <UIKit/UIKit.h>
@class WineUtils;
static int const COMPONENTS_IN_REGION = 2;
static int const COMPONENTS_DEFAULT = 1;
typedef enum ChooserUIEnum{
CTYear,
CTRegion,
CTType
} ChooserUIType;
@interface ChooserViewController : UIViewController <UIPickerViewDelegate, UIPickerViewDataSource>
@property (nonatomic) ChooserUIType pickerType;
@property (strong, nonatomic) WineUtils *wineUtils;
@property (copy, nonatomic) NSString *selectedValue;
@property (strong, nonatomic) IBOutlet UINavigationItem *navBar;
@property (strong, nonatomic) IBOutlet UINavigationItem *navItem;
- (IBAction)donePressed:(id)sender;
- (id)initWithPickerType:(ChooserUIType)pickerType;
+ (id)objectWithPickerType:(ChooserUIType)pickerType;
@end
Raw
ChooserViewController.m
#import "ChooserViewController.h"
#import "WineUtils.h"
@interface ChooserViewController ()
@end
@implementation ChooserViewController {
}
@synthesize navItem = _navItem;
@synthesize pickerType = _pickerType;
@synthesize wineUtils = _wineUtils;
@synthesize selectedValue;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (id)initWithPickerType:(ChooserUIType)pickerType {
self = [super initWithNibName:@"ChooserViewController" bundle:[NSBundle mainBundle]];
if (self) {
_pickerType = pickerType;
_wineUtils = [[WineUtils alloc] init];
}
return self;
}
+ (id)objectWithPickerType:(ChooserUIType)pickerType {
return [[ChooserViewController alloc] initWithPickerType:pickerType];
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
switch (_pickerType) {
case CTRegion:
self.navBar.title = @"Wine Region";
break;
case CTType:
self.navBar.title = @"Wine Type";
break;
case CTYear:
self.navBar.title = @"Wine Year";
break;
default:
break;
}
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (IBAction)donePressed:(id)sender {
NSMutableDictionary* userInfo = [NSMutableDictionary dictionaryWithCapacity:2];
if(selectedValue == nil){
if(self.pickerType == CTYear)
selectedValue = [_wineUtils.wineYears objectAtIndex:0];
else if(self.pickerType == CTRegion){
NSString *country = [[_wineUtils wineCountries] objectAtIndex:0];
selectedValue = [[_wineUtils wineRegionsForCountry:country] objectAtIndex:0];
}
else{
selectedValue = [_wineUtils.wineTypes objectAtIndex:0];
}
}
[userInfo setObject:selectedValue forKey:@"value"];
if(self.pickerType == CTYear)
[userInfo setObject:@"year" forKey:@"type"];
else if(self.pickerType == CTRegion)
[userInfo setObject:@"region" forKey:@"type"];
else
[userInfo setObject:@"type" forKey:@"type"];
NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
[nc postNotificationName:@"CVDonePressed" object:self userInfo:userInfo];
}
- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
switch (self.pickerType){
case CTYear:
return [self.wineUtils.wineYears objectAtIndex:(NSUInteger) row];
case CTRegion: {
if(component == 0){
NSString *country = [[self.wineUtils wineCountries] objectAtIndex:(NSUInteger)row];
return country;
}
NSArray *regions = [self.wineUtils wineRegionsForCountry:[[self.wineUtils wineCountries] objectAtIndex:(NSUInteger) [pickerView selectedRowInComponent:0]]];
return [regions objectAtIndex:(NSUInteger) row];
}
case CTType:
return [self.wineUtils.wineTypes objectAtIndex:(NSUInteger) row];
}
return nil;
}
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
if(self.pickerType == CTRegion){
if (component == 0)
[pickerView reloadAllComponents];
else if(component == 1){
NSArray *regions = [self.wineUtils wineRegionsForCountry:[[self.wineUtils wineCountries] objectAtIndex:(NSUInteger) [pickerView selectedRowInComponent:0]]];
NSString *region = [regions objectAtIndex:(NSUInteger) row];
NSLog(@"%@", region);
selectedValue = [NSString stringWithString:region];
}
}
else if(self.pickerType == CTYear){
selectedValue = [self.wineUtils.wineYears objectAtIndex:(NSUInteger) row];
}
else{
selectedValue = [self.wineUtils.wineTypes objectAtIndex:(NSUInteger) row];
}
}
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
return self.pickerType == CTRegion ? COMPONENTS_IN_REGION : COMPONENTS_DEFAULT;
}
- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
switch (self.pickerType){
case CTYear:
return [self.wineUtils.wineYears count];
case CTRegion: {
if(component == 0){
return [[self.wineUtils wineCountries] count];
}
NSArray *regions = [self.wineUtils wineRegionsForCountry:[[self.wineUtils wineCountries] objectAtIndex:(NSUInteger) [pickerView selectedRowInComponent:0]]];;
return regions.count;
}
case CTType:
return [self.wineUtils.wineTypes count];
}
}
@end
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