#import "AddCityController.h"
#import "CityGuideDelegate.h"
#import "RootController.h"
#import "City.h";
@implementation AddCityController
#pragma mark ViewController Methods
- (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)viewDidLoad {
self.title = @"New City";
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSave target:self action:@selector(saveCity:)];
cityPicture = [UIImage imageNamed:@"QuestionMark.jpg"];
pickerController = [[UIImagePickerController alloc] init];
pickerController.allowsEditing = NO;
pickerController.delegate = self;
pickerController.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
}
- (void)viewDidUnload {
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (void)dealloc {
[tableView release];
[nameCell release];
[pictureCell release];
[descriptionCell release];
[pickerController release];
[super dealloc];
}
#pragma mark Instance Methods
- (void)saveCity:(id)sender {
CityGuideDelegate *delegate = (CityGuideDelegate *)[[UIApplication sharedApplication] delegate];
NSMutableArray *cities = delegate.cities;
UITextField *nameEntry = (UITextField *)[nameCell viewWithTag:777];
UITextView *descriptionEntry = (UITextView *)[descriptionCell viewWithTag:777];
if ( nameEntry.text.length > 0 ) {
City *newCity = [[City alloc] init];
newCity.cityName = nameEntry.text;
newCity.cityDescription = descriptionEntry.text;
newCity.cityPicture = cityPicture;
[cities addObject:newCity];
RootController *viewController = delegate.viewController;
[viewController.tableView reloadData];
}
[delegate.navController popViewControllerAnimated:YES];
}
- (IBAction)addPicture:(id)sender {
UITextField *nameEntry = (UITextField *)[nameCell viewWithTag:777];
[nameEntry resignFirstResponder];
[self presentModalViewController:pickerController animated:YES];
}
#pragma mark UIImagePickerController Methods
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
[self dismissModalViewControllerAnimated:YES];
cityPicture = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
UIImageView *pictureView = (UIImageView *)[pictureCell viewWithTag:777];
pictureView.image = cityPicture;
[tableView reloadData];
}
#pragma mark UITableViewDataSource Methods
- (UITableViewCell *)tableView:(UITableView *)tv cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = nil;
if( indexPath.row == 0 ) {
cell = nameCell;
} else if ( indexPath.row == 1 ) {
UIImageView *pictureView = (UIImageView *)[pictureCell viewWithTag:777];
pictureView.image = cityPicture;
cell = pictureCell;
} else {
cell = descriptionCell;
}
return cell;
}
- (NSInteger)tableView:(UITableView *)tv numberOfRowsInSection:(NSInteger)section {
return 3;
}
#pragma mark UITableViewDelegate Methods
- (CGFloat)tableView:(UITableView *)tv heightForRowAtIndexPath:(NSIndexPath *)indexPath {
CGFloat height;
if( indexPath.row == 0 ) {
height = 44;
} else if( indexPath.row == 1 ) {
height = 83;
} else {
height = 279;
}
return height;
}
@end
objective-c_Korean.pdf
編集部注：このゲスト寄稿の著者Alex Ahlundは、
