//
//  Copyright (c) 2020 PayMaya Philippines, Inc.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
//  associated documentation files (the "Software"), to deal in the Software without restriction,
//  including without limitation the rights to use, copy, modify, merge, publish, distribute,
//  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in all copies or
//  substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
//  NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
//  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

import UIKit

extension UITextField {
    func setText(to newText: String, preservingCursor: Bool) {
        if preservingCursor {
            let cursorPosition = offset(from: beginningOfDocument, to: selectedTextRange!.start) + newText.count - (text?.count ?? 0)
            text = newText
            if let newPosition = self.position(from: beginningOfDocument, offset: cursorPosition) {
                selectedTextRange = textRange(from: newPosition, to: newPosition)
            }
        }
        else {
            text = newText
        }
        sendActions(for: .editingChanged)
    }
}
