0
我有一個表格視圖與左側檢查按鈕。前6個數據運行良好。當我添加三個更多的數據到我的表格視圖之後，當我檢查我的第一個數據時我的數據也得到檢查。像明智的，當我檢查一個數據的一些其他數據也對勾repeatng ..... 我使用的核心數據....如果任何人能回答這個問題......複選標記重複一些數據後添加....當我做檢查
@interface ViewController()
{
NSDateFormatter *formatter;
}
@property (strong) NSMutableArray *notes;
@end
@implementation ViewController
@synthesize tableView;
@synthesize addButton;
@synthesize catefetchedResultsController;
- (NSManagedObjectContext *)managedObjectContext {
NSManagedObjectContext *context = nil;
id delegate = [[UIApplication sharedApplication] delegate];
if ([delegate performSelector:@selector(managedObjectContext)]) {
context = [delegate managedObjectContext];
}
return context;
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
self.navigationItem.title = @"My Notes";
tableView.dataSource = self;
tableView.delegate = self;
[self.view addSubview:tableView];
formatter = [[NSDateFormatter alloc] init];
formatter.doesRelativeDateFormatting = YES;
formatter.locale = [NSLocale currentLocale];
formatter.dateStyle = NSDateFormatterShortStyle;
formatter.timeStyle = NSDateFormatterNoStyle;
CATransition *animation = [CATransition animation];
[animation setDuration:2.0];
[animation setType:kCATransitionPush];
[animation setSubtype:kCATransitionFromTop];
[animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionDefault]];
[[addButton layer] addAnimation:animation forKey:@"SwitchToDown"];
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
// Fetch the devices from persistent data store
NSManagedObjectContext *managedObjectContext = [self managedObjectContext];
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] initWithEntityName:@"Notes"];
NSError *error = nil;
self.notes = [[managedObjectContext executeFetchRequest:fetchRequest error:&error] mutableCopy];
NSSortDescriptor *titleSorter= [[NSSortDescriptor alloc] initWithKey:@"mod_time" ascending:NO];
[self.notes sortUsingDescriptors:[NSArray arrayWithObject:titleSorter]]
;
NSLog(@"Your Error - %@",error.description);
[tableView reloadData];
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
// Return the number of sections.
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
// Return the number of rows in the section.
return self.notes.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
//UIButton *testButton;
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];
UIButton *testButton = [[UIButton alloc]initWithFrame:CGRectMake(5, 5, 40, 40)];
[testButton setImage:[UIImage imageNamed:@"oval"] forState:UIControlStateNormal];
[testButton setImage:[UIImage imageNamed:@"tick"] forState:UIControlStateSelected];
[testButton addTarget:self action:@selector(buttonTouched:) forControlEvents:UIControlEventTouchUpInside];
[cell addSubview:testButton];
[cell setIndentationLevel:1];
[cell setIndentationWidth:45];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
// Configure the cell...
NSManagedObject *note = [self.notes objectAtIndex:indexPath.row];
NSDate *date = [note valueForKey:@"mod_time"];
NSString *dateString = [formatter stringFromDate:date];
cell.textLabel.text = [note valueForKey:@"title"];
cell.detailTextLabel.text = dateString;
return cell;
}
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
//cell.textLabel.font = [UIFont fontNamesForFamilyName:@"Avenir"];
cell.textLabel.font = [UIFont fontWithName:@"Avenir" size:19.0];
cell.detailTextLabel.font=[UIFont fontWithName:@"Avenir" size:15.0];
}
-(void)buttonTouched:(id)sender
{
UIButton *btn = (UIButton *)sender;
if([[btn imageForState:UIControlStateNormal] isEqual:[UIImage imageNamed:@"oval"]])
{
[btn setImage:[UIImage imageNamed:@"tick"] forState:UIControlStateNormal];
}
else
{
[btn setImage:[UIImage imageNamed:@"oval"] forState:UIControlStateNormal];
}
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = (UITableViewCell *)[tableView cellForRowAtIndexPath:indexPath];
[tableView deselectRowAtIndexPath:indexPath animated:YES];
}
- (IBAction)addButtonPressed:(id)sender {
AddNoteViewController *addNoteVC = [AddNoteViewController new];
// to remove unused warning....
#pragma unused (addNoteVC)
}
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
{
// Return NO if you do not want the specified item to be editable.
return YES;
}
- (void)tableView:(UITableView *)cTableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
NSManagedObjectContext *context = [self managedObjectContext];
if (editingStyle == UITableViewCellEditingStyleDelete) {
// Delete object from database
[context deleteObject:[self.notes objectAtIndex:indexPath.row]];
NSError *error = nil;
if (![context save:&error]) {
NSLog(@"Can't Delete! %@ %@", error, [error localizedDescription]);
return;
}
// Remove device from table view
[self.notes removeObjectAtIndex:indexPath.row];
[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
}
}
- (IBAction)btnClick:(id)sender {
}
@end
如何更新我的coredata提交，我需要保存我的複選標記？ – david
好吧，再創建一個問題，我會告訴你 –