Useful localization macros. Fast localize for IB views and objects (text is replaced with NSLocalizedString(text, nil)).

Localize.h

//
//  Localize.h
//
//  Created by Maksym Huk on 3/31/13.
//  Copyright (c) 2013 Maksym Huk. All rights reserved.
//

#import <Foundation/Foundation.h>

#define LS(...) NSLocalizedString((__VA_ARGS__), nil)

void LocalizeObject(id obj);
void LocalizeView(UIView *view);
void LocalizeViews(NSArray *views);

Localize.m

//
//  Localize.m
//
//  Created by Maksym Huk on 3/31/13.
//  Copyright (c) 2013 Maksym Huk. All rights reserved.
//

#import "Localize.h"

void LocalizeObject(id obj)
{
    if ([obj isKindOfClass:[UIView class]]) {
        LocalizeView(obj);
    }
    else if ([obj isKindOfClass:[UINavigationItem class]]) {
        UINavigationItem *item = (UINavigationItem *)obj;
        item.title = LS(item.title);
    }
}

void LocalizeView(UIView *genericView)
{
    if ([genericView isKindOfClass:[UILabel class]]) {
        UILabel *view = (UILabel *)genericView;
        view.text = LS(view.text);
    }
    else if ([genericView isKindOfClass:[UIButton class]]) {
        UIButton *view = (UIButton *)genericView;
        [view setTitle:LS([view titleForState:UIControlStateNormal]) forState:UIControlStateNormal];
    }
    else if ([genericView isKindOfClass:[UISegmentedControl class]]) {
        UISegmentedControl *view = (UISegmentedControl *)genericView;
        for (NSUInteger i = 0; i < view.numberOfSegments; ++i) {
            [view setTitle:LS([view titleForSegmentAtIndex:i]) forSegmentAtIndex:i];
        }
    }
}

void LocalizeViews(NSArray *views)
{
    for (UIView *view in views) {
        LocalizeView(view);
    }
}