CODEWITHSUNDEEP
iosswiftuitextfield
Egor Iskrenkov
Egor Iskrenkov

Reputation: 443

Set part of the UITextField as non editable

I have the UITextField for currency choosing and I want to set the part of its text as non editable (in text $ 9,99 user is able to replace only 9,99). Any ideas how to do this?

Upvotes: 0

Views: 1177

Answers (5)

Maksym Saliuta
Maksym Saliuta

Reputation: 1

You can add a target to your textField for state "editingChanged" like:

textField.addTarget(self, action: #selector(textFieldDidChange(_:)), for: .editingChanged)

and if length of textField becomes lower then 2 ("$ ") just set this sting into textField.text value

@objc func textFieldDidChange(_ textField: UITextField) {
        guard let count = textField.text?.count else {
            return
        }
        if count < "$ ".count
        {
            textField.text = "$ "
        } 
    }

Upvotes: 0

Anil Kumar
Anil Kumar

Reputation: 1984

You need to set the textfield delegates when user start editing and characters count == 0 then append the $ sign with text field

Upvotes: 0

kathayatnk
kathayatnk

Reputation: 1015

you would probably want to think differently on this one. Either use separate UILabel or add LeftView with UILable as TexFields leftView for $ sign. And if you don't want to do that there is hacky way of doing it in delegate method. Whic goes like the following:

 func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
    let text = (textField.text! as NSString).replacingCharacters(in: range, with: string)
    return text.count > 0
}

What we are doing here is checking the text in text field when it is edited and getting the count of text characters. If the character is > 0 the textField can be edited but we are protecting if only the $ sign is remaining in the textField.

You probably would want to check which textField you want to do this, because you may have more of them and this will be used by all, so check only for that textField

Upvotes: 2

Y.Awad
Y.Awad

Reputation: 21

It can't be done so you will but a UIlabel for the currency sign and the sign will change automatically with localization

Upvotes: 0

Muhammad Fauzi Masykur
Muhammad Fauzi Masykur

Reputation: 2232

Partially editable is impossible, I think you should separate between the currency sign with the amount. Let's say you make a new UIlabel or UItextfield for the currency sign, then make the currency amount as a new textfield also. If you go with two textfields, then you can set the currency sign which is not editable with yourTextField.enabled = false or yourTextField.isUserInteractionEnabled = false

Upvotes: 0

Related Questions