“UitextView Umienny UIKIT iOS” Kod odpowiedzi

UitextView Umienny UIKIT iOS

class ViewController: UIViewController {

    @IBOutlet weak var textView: UITextView!
    let placeholder = "Example: I started my career as a street wear model based in Maryland. After 3 years of working with some of the top companies there, I moved to LA, where I currently reside. I’ve been featured in shows, 12 magazines, commercials, and a number of music videos. Now, Im currently looking to continue working with clothing companies and campaigns."
    let start = NSRange(location: 0, length: 0)
    override func viewDidLoad() {
        super.viewDidLoad()
        textView.delegate = self
        textView.text = placeholder
    }
}

extension ViewController: UITextViewDelegate {
    func textViewDidChangeSelection(_ textView: UITextView) {
        // Moves cursor to start when tapped on textView with placeholder
        if textView.text == placeholder {
            textView.selectedRange = start
        }
    }
    func textViewDidChange(_ textView: UITextView) {
        // Manages state of text when changed
        if textView.text.isEmpty {
            textView.text = placeholder
            textView.textColor = .lightGray
        } else if textView.text != placeholder {
            textView.textColor = .black
        }
    }
    func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
        // Called when you're trying to enter a character (to replace the placeholder)
        if textView.text == placeholder {
            textView.text = ""
        }
        return true
    }
}