hide_keyboard.swift

//  MARK: TextViewDelegate methods for hiding keyboard by tapping anywhere and restrincting 500 chars
extension UIViewController {
    
    @objc func textViewDidBeginEditing(_ textView: UITextView) {
        
        
    }
    
    @objc func textViewDidEndEditing(_ textView: UITextView) {
        
    }
    
    @objc(textView:shouldChangeTextInRange:replacementText:) func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
        // goal field is varchar 500
        return textView.text.count + (text.count - range.length) < 500
    }
    
    override open func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
        super.touchesBegan(touches, with: event)
        
        view.endEditing(true)
    }
}