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以前にこの質問をしたことがありますが、回答がありませんでした。というわけで再質問です!

私はこのような4つのラジオボタンを持っています:

- (IBAction)optWine:(id)sender {
    ChangeLabel.text =  @"Hint: try a partial phrase such as 'cab' to find information on the single-vineyard cabernet's made at the Arcadian Winery";


}

- (IBAction)optWinery:(id)sender {

    ChangeLabel.text = @"Hint: try a phrase such as 'arc' to find the beautiful Arcadian Winery in Lompac, California.";

}


- (IBAction)optGrape:(id)sender {
    ChangeLabel.text = @"Hint: type partial phrases such as 'zin' for Zinfandel grape";

}

- (IBAction)optReview:(id)sender {
    ChangeLabel.text = @"Hint: try a partial phrase such as 'arc' to check-out reviews on wines by the Arcadian Winery";


}

...そして、私はこのような他の4つのアクションボタンを持っています:

- (IBAction)btnSearchWineries:(id)sender {

WineriesViewController *review = [[WineriesViewController alloc] initWithNibName:nil bundle:nil];
review.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[self presentViewController:review animated:YES completion:NULL];


}
- (IBAction)btnSearchGrapes:(id)sender {

GrapesViewController *review = [[GrapesViewController alloc] initWithNibName:nil bundle:nil];
review.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[self presentViewController:review animated:YES completion:NULL];



}
- (IBAction)btnSearchWines:(id)sender {
WinesViewController *review = [[WinesViewController alloc] initWithNibName:nil bundle:nil];
review.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[self presentViewController:review animated:YES completion:NULL];
}

- (IBAction)btnSearchReviews:(id)sender {
ReviewsViewController *review = [[ReviewsViewController alloc] initWithNibName:nil bundle:nil];
review.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[self presentViewController:review animated:YES completion:NULL];

}

どのラジオ ボタンが押されているかに応じて、1 つのボタンを変更して、4 つの検索ボタンのいずれかをアクティブにしたいと考えています。このようなものですが、これは機能しません:

-(IBAction)btnSearch:(id)sender
{
switch (((UIButton *)sender).tag) {
    case 1:
    {

        WinesViewController *review = [[WinesViewController alloc] initWithNibName:nil bundle:nil];
        review.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
        [self presentViewController:review animated:YES completion:NULL];
        break;
    }

    case 2:
    {
        WineriesViewController *review = [[WineriesViewController alloc] initWithNibName:nil bundle:nil];
        review.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
        [self presentViewController:review animated:YES completion:NULL];
        break;
    }
        break;
    case 3:
    {
        GrapesViewController *review = [[GrapesViewController alloc] initWithNibName:nil bundle:nil];
        review.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
        [self presentViewController:review animated:YES completion:NULL];
        break;
    }
    case 4:
    {
        ReviewsViewController *review = [[ReviewsViewController alloc] initWithNibName:nil bundle:nil];
        review.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
        [self presentViewController:review animated:YES completion:NULL];
        break;
    }

    default:
        break;
}

}

IB でタグを割り当てましたが、何も起こりません。また、個々のボタンにタグを割り当ててみましたが、何も起こりません。if ステートメントで文字列を使用しようとしましたが、何も起こりません。

4

1 に答える 1

0

さて、これが私がこれを行う方法です。次のように列挙型を定義することから始めます。

typedef NS_ENUM(NSInteger, SearchType) {
    SearchTypeWine,
    SearchTypeWinery,
    SearchTypeGrapes,
    SearchTypeReviews
};

コントローラーに次のようなプロパティを与えます。

@property (nonatomic) SearchType searchType;

次に、4 つの UIButton を作成します。それらをすべて同じ IBAction にフックして、LoC を減らすことができます。

- (IBAction)buttonPresssed:(id)sender
{
    UIButton *button = (UIButton *)sender;
    switch (button.tag) {
        case 100:
            self.searchType = SearchTypeWine;
            break;
        case 101:
            self.searchType = SearchTypeWinery;
            break;
        case 102:
            self.searchType = SearchTypeReviews;
            break;
        case 103:
            self.searchType = SearchTypeGrapes;
            break;
        default:
            break;
    }
}

次に、検索を実行する方法:

- (IBAction)performSearch:(id)sender
{
    switch (self.searchType) {
        case SearchTypeWine:
            //handle appropriately
            break;
        case SearchTypeWinery:
            //handle appropriately
            break;
        case SearchTypeReviews:
            //handle appropriately
            break;
        case SearchTypeGrapes:
            //handle appropriately
            break;
        default:
            break;
    }
}
于 2013-06-22T00:00:05.020 に答える