CODEWITHSUNDEEP
iosobjective-cuitextfield
Fattaneh Talebi
Fattaneh Talebi

Reputation: 767

Change the value of textfield to another language when get textfield.text in iOS

when I get mytextfield.text the result is this: "۱۲۳۴" which is a Persian number of "1234".
I have a method which converts Persian text to English text.

I want to get the English text when getting text using mytextfield.text

solution 1: I can realize when the user changes the textfield then I can change it to what I want. but its performance is not good because user might want to change it several time I just want to convert it when I want to get it.

Upvotes: 3

Views: 329

Answers (4)

Dhiru
Dhiru

Reputation: 3060

You can do this as you want using category in Objective-c, see the implementation below .

UITextField+Category.h

#import <UIKit/UIKit.h>

    NS_ASSUME_NONNULL_BEGIN

    @interface UITextField (Category)

    @end

    NS_ASSUME_NONNULL_END

UITextField+Category.m

#import "UITextField+Category.h"

@implementation UITextField (Category)

- (NSString *)text {
    return ConvertToEnglish(super.text); //Call your Util function From here
}


@end

Uses

     #import "UITextField+Category.h"

- (void)whenYouWant {
    //Just call txtName.text Call anywhere in the class :  
    NSLog(@"%@", self.txtName.text);
}

Upvotes: 0

LGP
LGP

Reputation: 4333

How about creating a sub-class of UITextField and overriding .text?

In your .h file

#import <UIKit/UIKit.h>

@interface TranslatingTextField : UITextField

@end

In your .m file

@implementation TranslatingTextField

- (NSString *)text {
    return MyTranslation(super.text); // Your translation is called here
}

@end

If you are using Interface Builder make sure to specify TranslatingTextField as the class for the text fields you want to use this class for.

Upvotes: 3

Reinhard M&#228;nner
Reinhard M&#228;nner

Reputation: 15247

I probably do not understand your question, but I will try an answer anyway.
I assume your UITextField is setup in storyboard, and you defined an outlet from your code to it, something like 

@property(nonatomic, weak) IBOutlet UITextField *mytextfield;

So you can access the textField by program by its identifier.
Or if you did setup the mytextfield by program anyway, you can also access it in the same way.

I assume, you know the times when you want to read mytextfield.text to convert the text to English, and I assume you have a method to convert the text to English, something like 

-(NSString)convertToEnglish:(NSString *)text {…}

Why don’t you simply read the textField text and feed it into this method, like 

NSString *englishText = [self convertToEnglish: mytextfield.text];

But as I said, I probably did not understand your question…

Upvotes: 0

Bautista Querejeta
Bautista Querejeta

Reputation: 33

Have you considered adding a UIButton with a IBAction, and only when the button is tapped, you get the text ?

@IBAction func buttonTapped(_sender : AnyObject){ // Here you get the text and convert it}

Upvotes: 0

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