import UIKit
class ViewController: UIViewController, UITextFieldDelegate {
@IBOutlet weak var textField: UITextField!
override func viewDidLoad() {
super.viewDidLoad()
addToolBar(textField: textField)
}
func addToolBar(textField: UITextField) {
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor.black
let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.done, target: self, action: #selector(ViewController.donePressed))
let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.plain, target: self, action: #selector(ViewController.cancelPressed))
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
textField.delegate = self
textField.inputAccessoryView = toolBar
}
func donePressed() {
// Done
view.endEditing(true)
}
func cancelPressed() {
// Cancel
view.endEditing(true)
}
}★ その2 (Doneボタンのみ)
import UIKit
class ViewController: UIViewController, UITextFieldDelegate {
@IBOutlet weak var textField: UITextField!
override func viewDidLoad() {
super.viewDidLoad()
let toolBar = UIToolbar()
toolBar.sizeToFit()
toolBar.barStyle = UIBarStyle.default
let spacer = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: self, action: nil)
let commitButton = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(self.tapDone))
toolBar.items = [spacer, commitButton]
textField.inputAccessoryView = toolBar
}
@objc func tapDone() {
view.endEditing(true)
}
}★ Extension
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var textField: UITextField!
override func viewDidLoad() {
super.viewDidLoad()
addToolBar(textField: textField)
}
}
extension UIViewController: UITextFieldDelegate {
func addToolBar(textField: UITextField) {
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor.black
let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.done, target: self, action: #selector(UIViewController.donePressed))
let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.plain, target: self, action: #selector(UIViewController.cancelPressed))
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
textField.delegate = self
textField.inputAccessoryView = toolBar
}
func donePressed(){
view.endEditing(true)
}
func cancelPressed(){
view.endEditing(true) // or do something
}
}★ CustomTextField
import Foundation
import UIKit
/**
CustomTextFieldDelegate
*/
@objc
protocol CustomTextFieldDelegate: class {
/**
Doneボタン押下
- parameters textField: CustomTextField
- parameters text: 入力されている文字列
*/
@objc optional func donePressed(textField: CustomTextField, text: String)
/**
Cancelボタン押下
- parameters textField: CustomTextField
*/
@objc optional func cancelPressed(textField: CustomTextField)
}
/**
Toolbar付きCustomTextFieldクラス
*/
class CustomTextField: UITextField {
// Delegate
weak var customTextFieldDelegate: CustomTextFieldDelegate?
/**
初期化
*/
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
/// inputAccessoryView
override var inputAccessoryView: UIView? {
get {
/// ToolBar
let toolBar = UIToolbar()
toolBar.barStyle = .default
toolBar.isTranslucent = true
toolBar.tintColor = .black
/// Done Button
let doneButton = UIBarButtonItem(title: "Done",
style: .done,
target: self,
action: #selector(self.donePressed))
/// Cancel Button
let cancelButton = UIBarButtonItem(title: "Cancel",
style: .plain,
target: self,
action: #selector(self.cancelPressed))
/// Spacing
let spaceButton = UIBarButtonItem(barButtonSystemItem: .flexibleSpace,
target: nil,
action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
return toolBar
}
set {}
}
/**
Doneボタン押下時処理
*/
@objc private func donePressed() {
if let text = text {
customTextFieldDelegate?.donePressed?(textField: self, text: text)
}
self.resignFirstResponder()
}
/**
Cancelボタン押下時処理
*/
@objc private func cancelPressed() {
customTextFieldDelegate?.cancelPressed?(textField: self)
self.resignFirstResponder()
}
}
★ InputViewにDatePickerを使用した場合1
Doneボタンで値を入力
import UIKit
class ViewController: UIViewController, UITextFieldDelegate {
@IBOutlet weak var textField: UITextField!
let datePicker = UIDatePicker()
override func viewDidLoad() {
super.viewDidLoad()
datePicker.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: datePicker.bounds.size.height)
let vi = UIView(frame: datePicker.bounds)
vi.backgroundColor = UIColor.white
vi.addSubview(datePicker)
textField.inputView = vi
datePicker.datePickerMode = .date
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor.black
let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.done, target: self, action: #selector(self.donePressed))
let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.plain, target: self, action: #selector(self.cancelPressed))
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
textField.inputAccessoryView = toolBar
}
func donePressed() {
// Done
let formatter = DateFormatter()
formatter.dateFormat = "yyyy/MM/dd HH:mm"
let dateStr = formatter.string(from: datePicker.date)
textField.text = dateStr
view.endEditing(true)
}
func cancelPressed() {
// Cancel
view.endEditing(true)
}
}★ DatePickerTextField
import Foundation
import UIKit
/**
DatePickerTextFieldDelegate
*/
@objc
protocol DatePickerTextFieldDelegate: class {
/**
Doneボタン押下
- parameters textField: CustomTextField
- parameters dateString: yyyyMMddでフォーマットされた文字列(例: 19851128)
*/
@objc optional func donePressed(textField: DatePickerTextField, dateString: String)
/**
Cancelボタン押下
- parameters textField: CustomTextField
*/
@objc optional func cancelPressed(textField: DatePickerTextField)
}
/**
Toolbar付きDatePickerTextFieldクラス
*/
class DatePickerTextField: UITextField {
/// Delegate
weak var datePickerDelegate: DatePickerTextFieldDelegate?
let datePicker = UIDatePicker()
var datePickerMode: UIDatePickerMode = .date
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
self.tintColor = .clear
}
/**
DatePickerの値を設定、TextFieldの文字も同時に設定
- parameters dateString: yyyyMMddでフォーマットされた文字列(例: 19851128)
*/
func setDatePicker(dateString: String) {
// dateString 19851128 → 1985年11月28日
let formatter: DateFormatter = DateFormatter()
formatter.calendar = Calendar(identifier: .gregorian)
formatter.dateFormat = "yyyyMMdd"
if let date = formatter.date(from: dateString) {
datePicker.date = date
setTextFieldDateString()
}
}
override var inputAccessoryView: UIView? {
get {
/// ToolBar
let toolBar = UIToolbar()
toolBar.barStyle = .default
toolBar.isTranslucent = true
toolBar.tintColor = .black
/// Done Button
let doneButton = UIBarButtonItem(title: "Done",
style: .done,
target: self,
action: #selector(self.donePressed))
/// Cancel Button
let cancelButton = UIBarButtonItem(title: "Cancel",
style: .plain,
target: self,
action: #selector(self.cancelPressed))
/// Spacing
let spaceButton = UIBarButtonItem(barButtonSystemItem: .flexibleSpace,
target: nil,
action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
return toolBar
}
set {}
}
override var inputView: UIView? {
get {
/// Create DatePicker
datePicker.frame = CGRect(x: 0,
y: 44,
width: UIScreen.main.bounds.width,
height: datePicker.bounds.height)
datePicker.datePickerMode = datePickerMode
datePicker.backgroundColor = .white
return datePicker
}
set {}
}
// 入力カーソル非表示
override func caretRect(for position: UITextPosition) -> CGRect {
return CGRect.zero
}
// 範囲選択カーソル非表示
override func selectionRects(for range: UITextRange) -> [Any] {
return []
}
// コピー・ペースト・選択等のメニュー非表示
override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
return false
}
/**
テキストフィールドにPickerで選択した文字列を反映する
*/
func setTextFieldDateString() {
// Format 1985年11月28日
let formatter = DateFormatter()
formatter.dateFormat = "yyyy年MM月dd日"
let dateStr = formatter.string(from: datePicker.date)
self.text = dateStr
}
/**
Doneボタン押下時処理
*/
func donePressed(){
setTextFieldDateString()
// Format 19851128
let formatter = DateFormatter()
formatter.dateFormat = "yyyyMMdd"
let dateStr = formatter.string(from: datePicker.date)
datePickerDelegate?.donePressed?(textField: self, dateString: dateStr)
self.resignFirstResponder()
}
/**
Cancelボタン押下時処理
*/
func cancelPressed(){
datePickerDelegate?.cancelPressed?(textField: self)
self.resignFirstResponder()
}
}class DatePickerTextField: UITextField {
let datePicker = UIDatePicker()
var datePickerMode: UIDatePickerMode = .date
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
override var inputAccessoryView: UIView? {
get {
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor.black
let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.done, target: self, action: #selector(self.donePressed))
let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.plain, target: self, action: #selector(self.cancelPressed))
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
return toolBar
}
set {}
}
override var inputView: UIView? {
get {
datePicker.frame = CGRect(x: 0, y: 44, width: UIScreen.main.bounds.size.width, height: datePicker.bounds.size.height)
datePicker.datePickerMode = datePickerMode
datePicker.backgroundColor = UIColor.white
return datePicker
}
set {}
}
func donePressed(){
print("Done!")
let formatter = DateFormatter()
formatter.dateFormat = "yyyy/MM/dd HH:mm"
let dateStr = formatter.string(from: datePicker.date)
self.text = dateStr
self.resignFirstResponder()
}
func cancelPressed(){
print("Cancel!")
self.resignFirstResponder()
}
}★ InputViewにDatePickerを使用した場合2
Picker切替で値を入力
import UIKit
class ViewController: UIViewController, UITextFieldDelegate {
@IBOutlet weak var textField: UITextField!
let datePicker = UIDatePicker()
override func viewDidLoad() {
super.viewDidLoad()
datePicker.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: datePicker.bounds.size.height)
let vi = UIView(frame: datePicker.bounds)
vi.backgroundColor = UIColor.white
vi.addSubview(datePicker)
textField.inputView = vi
datePicker.datePickerMode = .date
datePicker.addTarget(self, action: #selector(self.textFieldEditing(datePicker:)), for: .valueChanged)
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor.black
let closeButton = UIBarButtonItem(title: "Close", style: UIBarButtonItemStyle.done, target: self, action: #selector(self.closePressed))
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
toolBar.setItems([spaceButton, closeButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
textField.inputAccessoryView = toolBar
}
func closePressed() {
// Done
view.endEditing(true)
}
func textFieldEditing(datePicker: UIDatePicker) {
let formatter = DateFormatter()
formatter.dateFormat = "yyyy/MM/dd HH:mm"
let dateStr = formatter.string(from: datePicker.date)
textField.text = dateStr
}
}
★ InputViewにPickerViewを使用した場合
import UIKit
class ViewController: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource {
@IBOutlet weak var textField: UITextField!
let pickerView = UIPickerView()
var array = ["楽天", "ソニー", "APPLE", "amazon", "softbank"]
override func viewDidLoad() {
super.viewDidLoad()
pickerView.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: pickerView.bounds.size.height)
pickerView.delegate = self
pickerView.dataSource = self
let vi = UIView(frame: pickerView.bounds)
vi.backgroundColor = UIColor.white
vi.addSubview(pickerView)
textField.inputView = vi
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor.black
let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.done, target: self, action: #selector(ViewController.donePressed))
let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.plain, target: self, action: #selector(ViewController.cancelPressed))
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
textField.inputAccessoryView = toolBar
}
// Done
func donePressed() {
view.endEditing(true)
}
// Cancel
func cancelPressed() {
textField.text = ""
view.endEditing(true)
}
func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
return array[row]
}
func numberOfComponents(in pickerView: UIPickerView) -> Int {
return 1
}
func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
return array.count
}
func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
textField.text = array[row]
}
}★ PickerTextField
PickerView TextField Sample
import Foundation
import UIKit
/**
PickerTextFieldDelegate
*/
@objc
protocol PickerTextFieldDelegate: class {
/**
Doneボタン押下
- parameters textField: PickerTextField
- parameters text: 選択した文字列
*/
@objc optional func donePressed(textField: PickerTextField, text: String)
/**
Cancelボタン押下
- parameters textField: PickerTextField
*/
@objc optional func cancelPressed(textField: PickerTextField)
}
/**
Toolbar付きPickerTextFieldクラス
*/
class PickerTextField: UITextField, UIPickerViewDelegate, UIPickerViewDataSource {
/// Delegate
weak var pickerTextFieldDelegate: PickerTextFieldDelegate?
private let pickerView = UIPickerView()
private let toolbarHeight: CGFloat = 44
/// Pickerに表示する配列
var pickerDataArray = [String]() {
didSet {
if let selectText = pickerDataArray.first {
self.selectText = selectText
}
}
}
private var selectText: String = ""
/// PickerViewの表示時に選択されている項目を設定する
var defaultText: String! {
get { return "" }
set {
if let selectIndex = pickerDataArray.index(of: newValue) {
pickerView.selectRow(selectIndex, inComponent: 0, animated: false)
} else {
pickerView.selectRow(0, inComponent: 0, animated: false)
}
self.text = newValue
}
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
self.tintColor = .clear
pickerView.delegate = self
pickerView.dataSource = self
}
// 入力カーソル非表示
override func caretRect(for position: UITextPosition) -> CGRect {
return CGRect.zero
}
// 範囲選択カーソル非表示
override func selectionRects(for range: UITextRange) -> [Any] {
return []
}
// コピー・ペースト・選択等のメニュー非表示
override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
return false
}
override var inputAccessoryView: UIView? {
get {
/// ToolBar
let toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.default
toolBar.isTranslucent = true
toolBar.tintColor = UIColor.black
/// Done Button
let doneButton = UIBarButtonItem(title: "Done",
style: .done,
target: self,
action: #selector(self.donePressed))
/// Cancel Button
let cancelButton = UIBarButtonItem(title: "Cancel",
style: .plain,
target: self,
action: #selector(self.cancelPressed))
/// Spacing
let spaceButton = UIBarButtonItem(barButtonSystemItem: .flexibleSpace,
target: nil,
action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
return toolBar
}
set {}
}
override var inputView: UIView? {
get {
pickerView.frame = CGRect(x: 0,
y: toolbarHeight,
width: UIScreen.main.bounds.width,
height: pickerView.bounds.height)
pickerView.backgroundColor = .white
return pickerView
}
set {}
}
/**
Doneボタン押下時処理
*/
@objc private func donePressed() {
self.text = selectText
pickerTextFieldDelegate?.donePressed?(textField: self, text: selectText)
resignFirstResponder()
}
/**
Cancelボタン押下時処理
*/
@objc private func cancelPressed() {
pickerTextFieldDelegate?.cancelPressed?(textField: self)
resignFirstResponder()
}
// MARK: - UIPickerViewDataSource
func numberOfComponents(in pickerView: UIPickerView) -> Int {
return 1
}
func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
return pickerDataArray.count
}
// MARK: - UIPickerViewDelegate
func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
return pickerDataArray[row]
}
func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
selectText = pickerDataArray[row]
}
}
// -------- 使い方 ----------
import UIKit
class ViewController: UIViewController, UITextFieldDelegate, PickerTextFieldDelegate {
@IBOutlet weak var pickerTextField: PickerTextField!
override func viewDidLoad() {
super.viewDidLoad()
pickerTextField.pickerDataArray = ["😳", "🙍", "🌼", "🌟"]
pickerTextField.pickerTextFieldDelegate = self
pickerTextField.delegate = self
}
// MARK: - UITextFieldDelegate
func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
pickerTextField.defaultText = pickerTextField.text
return true
}
// MARK: - PickerTextFieldDelegate
func pushDoneButton(pickerTextField: PickerTextField, text: String) {
print(text)
}
}★ 2カラムPickerView
import Foundation
import UIKit
/// TwoColumnPickerTextFieldDelegate
@objc
protocol TwoColumnPickerTextFieldDelegate: class {
/**
Doneボタン押下
- parameters textField: TwoColumnPickerTextField
- parameters text:
*/
@objc optional func donePressed(textField: TwoColumnPickerTextField, text: String)
/**
Cancelボタン押下
- parameters textField: TwoColumnPickerTextField
*/
@objc optional func cancelPressed(textField: TwoColumnPickerTextField)
}
/**
ToolBar付き2ColumnPickerTextField
*/
class TwoColumnPickerTextField: UITextField, UIPickerViewDelegate, UIPickerViewDataSource {
/// Delegate
weak var twoColumnPickerDelegate: TwoColumnPickerTextFieldDelegate?
let pickerView = UIPickerView()
let toolbarHeight: CGFloat = 44
var yearArray = (1940...2017).map{ String($0) }
var monthArray = (1...12).map{ String($0) }
var selectYear = ""
var selectMonth = ""
var defaultText: String! {
get { return "" }
set(value) {
if value.characters.count == 6 {
let year = value.substring(to: value.index(value.startIndex, offsetBy: 4))
guard let intMonth = Int(value.substring(from: value.index(value.startIndex, offsetBy: 4))) else {
return
}
let month = String(intMonth)
if let yearIndex = yearArray.index(of: year),
let monthIndex = monthArray.index(of: month) {
pickerView.selectRow(yearIndex, inComponent: 0, animated: false)
pickerView.selectRow(monthIndex, inComponent: 1, animated: false)
} else {
pickerView.selectRow(0, inComponent: 0, animated: false)
pickerView.selectRow(0, inComponent: 1, animated: false)
}
selectYear = year
selectMonth = month
self.text = year + "年" + month + "月"
}
}
}
/**
初期化
*/
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
pickerView.delegate = self
pickerView.dataSource = self
}
override var inputAccessoryView: UIView? {
get {
/// ToolBar
let toolBar = UIToolbar()
toolBar.barStyle = .default
toolBar.isTranslucent = true
toolBar.tintColor = .black
/// Done Button
let doneButton = UIBarButtonItem(title: "Done",
style: .done,
target: self,
action: #selector(self.donePressed))
/// Cancel Button
let cancelButton = UIBarButtonItem(title: "Cancel",
style: .plain,
target: self,
action: #selector(self.cancelPressed))
/// Spacing
let spaceButton = UIBarButtonItem(barButtonSystemItem: .flexibleSpace,
target: nil,
action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
return toolBar
}
set {}
}
override var inputView: UIView? {
get {
pickerView.frame = CGRect(x: 0,
y: toolbarHeight,
width: UIScreen.main.bounds.width,
height: pickerView.bounds.height)
pickerView.delegate = self
pickerView.dataSource = self
pickerView.backgroundColor = .white
return pickerView
}
set {}
}
// 入力カーソル非表示
override func caretRect(for position: UITextPosition) -> CGRect {
return CGRect.zero
}
// 範囲選択カーソル非表示
override func selectionRects(for range: UITextRange) -> [Any] {
return []
}
// コピー・ペースト・選択等のメニュー非表示
override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
return false
}
/**
Doneボタン押下時処理
*/
func donePressed() {
let month = monthArray[pickerView.selectedRow(inComponent: 1)]
self.text = selectYear + "年" + month + "月"
twoColumnPickerDelegate?.donePressed?(textField: self, text: selectYear + selectMonth)
resignFirstResponder()
}
/**
Cancelボタン押下時処理
*/
func cancelPressed() {
twoColumnPickerDelegate?.cancelPressed?(textField: self)
resignFirstResponder()
}
// MARK: - UIPickerViewDataSource
func numberOfComponents(in pickerView: UIPickerView) -> Int {
return 2
}
// 表示行
func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
switch component {
case 0 : return yearArray.count
case 1 : return monthArray.count
default: return 0
}
}
// MARK: - UIPickerViewDelegate
// 各ラベルの幅
func pickerView(_ pickerView: UIPickerView, widthForComponent component: Int) -> CGFloat {
let screenWidth = UIScreen.main.bounds.size.width
switch component {
case 0 : return screenWidth / 2
case 1 : return screenWidth / 2
default: return 0
}
}
//表示内容
func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
switch component {
case 0 : return yearArray[row] + "年"
case 1 : return monthArray[row] + "月"
default: return nil
}
}
//選択時
func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
switch component {
case 0 : selectYear = yearArray[row]
case 1 : selectMonth = String(format: "%02d", Int(monthArray[row]) ?? 1)
default: break
}
}
}★ CustomTextView(PlaceHolder付き)
import Foundation
import UIKit
/**
CustomTextViewDelegate
*/
@objc
protocol CustomTextViewDelegate: class {
/**
Doneボタン押下
- parameters textView: CustomTextView
- parameters text: 入力されている文字列
*/
@objc optional func donePressed(textView: CustomTextView, text: String)
/**
Cancelボタン押下
- parameters textField: CustomTextView
*/
@objc optional func cancelPressed(textField: CustomTextView)
}
class CustomTextView: UITextView {
/// Delegate
weak var customTextViewDelegate: CustomTextViewDelegate?
/// placeHolder用のラベル
lazy var placeHolderLabel:UILabel = UILabel()
var placeHolderColor:UIColor = .lightGray
var placeHolder = ""
/**
初期化
*/
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
// 文字入力時の通知を登録
NotificationCenter.default.addObserver(self,
selector: #selector(self.textChanged(notification:)),
name: NSNotification.Name.UITextViewTextDidChange,
object: nil)
}
deinit {
// 通知を解除
NotificationCenter.default.removeObserver(self)
}
override public func draw(_ rect: CGRect) {
if self.placeHolder.utf16.count > 0 {
self.placeHolderLabel.frame = CGRect(x: 8,
y: 8,
width: self.bounds.width - 16,
height: 0)
self.placeHolderLabel.lineBreakMode = NSLineBreakMode.byWordWrapping
self.placeHolderLabel.numberOfLines = 0
self.placeHolderLabel.font = self.font
self.placeHolderLabel.backgroundColor = .clear
self.placeHolderLabel.textColor = self.placeHolderColor
self.placeHolderLabel.alpha = 0
self.placeHolderLabel.tag = 1
self.placeHolderLabel.text = self.placeHolder as String
self.placeHolderLabel.sizeToFit()
self.addSubview(placeHolderLabel)
}
self.sendSubview(toBack: placeHolderLabel)
textChanged(notification: nil)
super.draw(rect)
}
public func textChanged(notification:NSNotification?) {
guard placeHolder.utf16.count != 0 else {
return
}
// placeHolderの表示、非表示の切り替え
self.viewWithTag(1)?.alpha = self.text.utf16.count == 0 ? 1 : 0
}
/// inputAccessoryView
override var inputAccessoryView: UIView? {
get {
/// ToolBar
let toolBar = UIToolbar()
toolBar.barStyle = .default
toolBar.isTranslucent = true
toolBar.tintColor = .black
/// Done Button
let doneButton = UIBarButtonItem(title: "Done",
style: .done,
target: self,
action: #selector(self.donePressed))
/// Cancel Button
let cancelButton = UIBarButtonItem(title: "Cancel",
style: .plain,
target: self,
action: #selector(self.cancelPressed))
/// Spacing
let spaceButton = UIBarButtonItem(barButtonSystemItem: .flexibleSpace,
target: nil,
action: nil)
toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.isUserInteractionEnabled = true
toolBar.sizeToFit()
return toolBar
}
set {}
}
/**
Doneボタン押下時処理
*/
@objc private func donePressed() {
if let text = text {
customTextViewDelegate?.donePressed?(textView: self, text: text)
}
resignFirstResponder()
}
/**
Cancelボタン押下時処理
*/
@objc private func cancelPressed() {
customTextViewDelegate?.cancelPressed?(textField: self)
self.resignFirstResponder()
}
}