私はしばらくの間この問題に頭を悩ませてきました、そして私の最後の望みはStackOverflowです。
これがアプリのアイデアです。コアデータでモデル化された2つのエンティティがあります。エンティティはと1対多のGolfer関係を持っているFittingSessionため、各ゴルファーは複数のフィッティングセッションを行うことができます。新規ユーザーのため、データモデルの画像を投稿できません。しかし、ここに詳細があります：
エンティティ：ゴルファーのGOLFERおよびFITTING SESSION属性-first_name、last_name、emailId、contactNum、picture関係：NSSet * fitingSessions
フィッティングセッションの属性-session_number、date、location、notes。関係：ゴルファー* whoPlayed
私はViewManager（すべてのクラスの一種のベースビュー）と呼ばれる1つのビューコントローラーで作業しており、そのUIView中に2〜3個のカスタムがあります。必要なときにいつでもアニメーション化できます。
ゴルファーのリストコレクションをテーブルビューからNSFetchedResultsController取得し、同じ手法を使用してテーブルビューのフィッティングセッション属性を取得していNSFetchedResultsControllerます。私の質問は、特定のゴルファーのために特定のフィッティングセッションを取得するにはどうすればよいですか？Parent（Golfer）ViewのTableViewDidSelectRowメソッドに何を書き込む必要がありますか？この1対多の関係にどのように対処しますか？これが私のコードです：
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
if(tableView == mGolferTblView)
{
NSInteger count = [[self.fetchedResultsController sections] count];
NSLog(@"count section GOLFER TABLE VIEW=%d", count);
return count;
}
else if(tableView == mFittingTblView)
{
return 1;
}
else {
}
return 0;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if(tableView == mGolferTblView)
{
id<NSFetchedResultsSectionInfo> sectionInfo = [[self.fetchedResultsController sections] objectAtIndex:section];
NSLog(@"count for array ROWS for GOLFERS =%d", [sectionInfo numberOfObjects]);
return [sectionInfo numberOfObjects];
}
else if(tableView == mFittingTblView)
{
mFittingSessionArray = [mFittingSessionSet allObjects];
NSLog(@"array here is=%@", mFittingSessionArray);
NSLog(@"count for ROWS in FITTING SESSIONS table view=%d", [mFittingSessionArray count]);
return [mFittingSessionArray count];
// id<NSFetchedResultsSectionInfo> sectionInfo = [[self.fittingFetchedResultsController sections] objectAtIndex:section];
// NSLog(@"count for array ROWS for FITTING SESSIONS =%d", [sectionInfo numberOfObjects]);
// return [sectionInfo numberOfObjects];
}
else {
}
return 0;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
if(tableView == mGolferTblView)
{
static NSString *CellIdentifier = @"Cell";
static NSInteger fullNameTag = 1;
static NSInteger imageTag = 2;
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
cell.selectionStyle = UITableViewCellSelectionStyleGray;
UILabel *fakeLbl =[[UILabel alloc] initWithFrame:CGRectMake(100, 30, 100, 30)];
fakeLbl.backgroundColor = [UIColor clearColor];
fakeLbl.textColor = [UIColor grayColor];
fakeLbl.text=@"3 days ago";
[cell.contentView addSubview:fakeLbl];
[fakeLbl release];
UIImageView *btnImage =[[UIImageView alloc] initWithFrame:CGRectMake(250, 40, 25, 28)];
btnImage.image = [UIImage imageNamed:@"badge_25x28.png"];
btnImage.contentMode = UIViewContentModeScaleAspectFit;
[cell.contentView addSubview:btnImage];
[btnImage release];
UILabel *fullNameLbl =[[UILabel alloc] initWithFrame:CGRectMake(100, 0, 300, 30)];
fullNameLbl.backgroundColor = [UIColor clearColor];
fullNameLbl.textColor = [UIColor whiteColor];
fullNameLbl.numberOfLines = 1;
fullNameLbl.adjustsFontSizeToFitWidth = YES;
fullNameLbl.tag = fullNameTag;
[cell.contentView addSubview:fullNameLbl];
[fullNameLbl release];
UIImageView *imageView =[[UIImageView alloc] initWithFrame:CGRectMake(10, 5, 71, 91)];
imageView.backgroundColor = [UIColor clearColor];
imageView.tag = imageTag;
[cell.contentView addSubview:imageView];
[imageView release];
}
mGolfer = [self.fetchedResultsController objectAtIndexPath:indexPath];
UILabel * fullNameLbl = (UILabel *) [cell.contentView viewWithTag:fullNameTag];
fullNameLbl.text = mGolfer.fullName;
UIImageView * imgView = (UIImageView *) [cell.contentView viewWithTag:imageTag];
imgView.image = mGolfer.picture;
return cell;
}
if(tableView == mFittingTblView)
{
static NSString *CellIdentifier = @"Cell";
static NSInteger locationTag = 1;
static NSInteger notesTag = 2;
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
cell.selectionStyle = UITableViewCellSelectionStyleGray;
UIImageView *iconImage =[[UIImageView alloc] initWithFrame:CGRectMake(10, 40, 11, 18)];
iconImage.image = [UIImage imageNamed:@"icon_locationmarker_11x18.png"];
iconImage.contentMode = UIViewContentModeScaleAspectFit;
[cell.contentView addSubview:iconImage];
[iconImage release];
UILabel *fakeDateLbl =[[UILabel alloc] initWithFrame:CGRectMake(180, 15, 100, 20)];
fakeDateLbl.backgroundColor = [UIColor clearColor];
fakeDateLbl.textColor = [UIColor grayColor];
fakeDateLbl.text=@"apr.30.2012";
[cell.contentView addSubview:fakeDateLbl];
[fakeDateLbl release];
UIImageView *fakeImage1 =[[UIImageView alloc] initWithFrame:CGRectMake(25, 90, 43, 43)];
fakeImage1.image = [UIImage imageNamed:@"icon_catDriver_43x43.png"];
fakeImage1.contentMode = UIViewContentModeScaleAspectFit;
[cell.contentView addSubview:fakeImage1];
[fakeImage1 release];
UIImageView *fakeImage2 =[[UIImageView alloc] initWithFrame:CGRectMake(70, 90, 43, 43)];
fakeImage2.image = [UIImage imageNamed:@"icon_catFairway_43x43.png"];
fakeImage2.contentMode = UIViewContentModeScaleAspectFit;
[cell.contentView addSubview:fakeImage2];
[fakeImage2 release];
UIImageView *fakeImage3 =[[UIImageView alloc] initWithFrame:CGRectMake(115, 90, 43, 43)];
fakeImage3.image = [UIImage imageNamed:@"icon_catHybrid_43x43.png"];
fakeImage3.contentMode = UIViewContentModeScaleAspectFit;
[cell.contentView addSubview:fakeImage3];
[fakeImage3 release];
UIImageView *fakeImage4 =[[UIImageView alloc] initWithFrame:CGRectMake(160, 90, 43, 43)];
fakeImage4.image = [UIImage imageNamed:@"icon_catIron_43x43.png"];
fakeImage4.contentMode = UIViewContentModeScaleAspectFit;
[cell.contentView addSubview:fakeImage4];
[fakeImage4 release];
UIImageView *fakeImage5 =[[UIImageView alloc] initWithFrame:CGRectMake(205, 90, 43, 43)];
fakeImage5.image = [UIImage imageNamed:@"icon_catWedge_43x43.png"];
fakeImage5.contentMode = UIViewContentModeScaleAspectFit;
[cell.contentView addSubview:fakeImage5];
[fakeImage5 release];
UILabel *sessionLbl =[[UILabel alloc] initWithFrame:CGRectMake(10, 7, 150, 30)];
sessionLbl.backgroundColor = [UIColor clearColor];
sessionLbl.textColor = [UIColor redColor];
sessionLbl.text = @"session";
sessionLbl.font = [UIFont boldSystemFontOfSize:18];
[cell.contentView addSubview:sessionLbl];
[sessionLbl release];
UILabel *locationLbl =[[UILabel alloc] initWithFrame:CGRectMake(30, 32, 270, 30)];
locationLbl.backgroundColor = [UIColor clearColor];
locationLbl.textColor = [UIColor whiteColor];
locationLbl.tag = locationTag;
[cell.contentView addSubview:locationLbl];
[locationLbl release];
UILabel *notesLbl =[[UILabel alloc] initWithFrame:CGRectMake(30, 54, 270, 30)];
notesLbl.backgroundColor = [UIColor clearColor];
notesLbl.textColor = [UIColor whiteColor];
notesLbl.tag = notesTag;
[cell.contentView addSubview:notesLbl];
[notesLbl release];
}
mFittingSessionArray = [mFittingSessionSet allObjects];
mFittingSession = [mFittingSessionArray objectAtIndex:indexPath.row];
UILabel *locationLbl = (UILabel *)[cell.contentView viewWithTag:locationTag];
locationLbl.text = mFittingSession.locationUppercase;
NSLog(@"location=%@", mFittingSession.locationUppercase);
UILabel *notesLbl = (UILabel *)[cell.contentView viewWithTag:notesTag];
notesLbl.text = mFittingSession.notesInQuotes;
return cell;
}
return 0;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if(tableView == mGolferTblView)
{
mGolfer = (Golfer *)[self.fetchedResultsController objectAtIndexPath:indexPath];
mGolferNameLbl.text = mGolfer.fullName;
mGolferHeaderPicture.image = mGolfer.picture;
NSSet * fittingSessionSet = mGolfer.fittingSessions;
mFittingSessionArray = [fittingSessionSet allObjects];
NSLog(@"count for sessions=%d", [mFittingSessionArray count]);
NSLog(@"fiting sessions for golfer %@ are= %@", mGolfer.first_name, mFittingSessionArray);
}
}
また、これは私が特定のゴルファーに新しいフィッティングセッションを追加する方法です：
- (IBAction)addNewSession:(id)sender
{
AppDelegate * applicationDelegate = (AppDelegate *) [[UIApplication sharedApplication] delegate];
NSManagedObjectContext * context = [applicationDelegate managedObjectContext];
mFittingSession=(FittingSession*) [NSEntityDescription insertNewObjectForEntityForName:@"FittingSession" inManagedObjectContext:context];
mFittingSession.location=mLocationTextField.text;
mFittingSession.notes=mNotesTxtView.text;
**mFittingSession.whoPlayed = self.golfer;** This is setting the relationship (whoPlayed is inverse relation to golfer provided by core data)
}
コアデータの関係を実際に処理する方法がわからないので、これを手伝ってください。何が起こっているのかを知ることができるように、いくつかのコードまたはスニペットを提供してください。
ありがとうございました