Swiftgram/submodules/Display/Display/TextFieldNode.swift
Peter 8f5a4f7dc1 Add 'submodules/Display/' from commit '7bd11013ea936e3d49d937550d599f5816d32560'
git-subtree-dir: submodules/Display
git-subtree-mainline: 9bc996374ffdad37aef175427db72731c9551dcf
git-subtree-split: 7bd11013ea936e3d49d937550d599f5816d32560
2019-06-11 18:44:37 +01:00

68 lines
1.8 KiB
Swift

import Foundation
import UIKit
import AsyncDisplayKit
public final class TextFieldNodeView: UITextField {
public var didDeleteBackwardWhileEmpty: (() -> Void)?
var fixOffset: Bool = true
override public func editingRect(forBounds bounds: CGRect) -> CGRect {
return bounds.offsetBy(dx: 0.0, dy: 0.0).integral
}
override public func textRect(forBounds bounds: CGRect) -> CGRect {
return bounds.offsetBy(dx: 0.0, dy: 0.0).integral
}
override public func placeholderRect(forBounds bounds: CGRect) -> CGRect {
return self.editingRect(forBounds: bounds.offsetBy(dx: 0.0, dy: -1.0))
}
override public func deleteBackward() {
if self.text == nil || self.text!.isEmpty {
self.didDeleteBackwardWhileEmpty?()
}
super.deleteBackward()
}
override public var keyboardAppearance: UIKeyboardAppearance {
get {
return super.keyboardAppearance
}
set {
guard newValue != self.keyboardAppearance else {
return
}
let resigning = self.isFirstResponder
if resigning {
self.resignFirstResponder()
}
super.keyboardAppearance = newValue
if resigning {
self.becomeFirstResponder()
}
}
}
}
public class TextFieldNode: ASDisplayNode {
public var textField: TextFieldNodeView {
return self.view as! TextFieldNodeView
}
public var fixOffset: Bool = true {
didSet {
self.textField.fixOffset = self.fixOffset
}
}
override public init() {
super.init()
self.setViewBlock({
return TextFieldNodeView()
})
}
}