質問編集履歴

Pickerコードの追加

2017/04/28 01:18

投稿

natsusoranosita

スコア18

test CHANGED Viewed

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test CHANGED Viewed

@@ -64,7 +64,249 @@
 ```
+###Pickerのコード
+```
+import Foundation
+import UIKit
+@objc
+protocol PickerTextFieldDelegate: class {
+    @objc optional func pushDoneButton(pickerTextField: PickerTextField, text: String)
+    @objc optional func pushCancelButton(pickerTextField: PickerTextField)
+}
+class PickerTextField: UITextField, UIPickerViewDelegate, UIPickerViewDataSource {
+    weak var pickerTextFieldDelegate: PickerTextFieldDelegate?
+    private let pickerView = UIPickerView()
+    private let toolbarHeight: CGFloat = 44
+    var pickerDataArray = [String]() {
+        didSet {
+            if let selectText = pickerDataArray.first {
+                self.selectText = selectText
+            }
+        }
+    }
+    private var selectText: String = ""
+    var defaultText: String! {
+        get { return self.text }
+        set {
+            if let selectIndex = pickerDataArray.index(of: newValue) {
+                pickerView.selectRow(selectIndex, inComponent: 0, animated: false)
+            }
+            self.text = newValue
+        }
+    }
+    required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+        self.tintColor = UIColor.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 {
+            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.pushDoneButton))
+            let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.plain, target: self, action: #selector(self.pushCancelButton))
+            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 {
+            (self.value(forKeyPath: "textInputTraits") as AnyObject).setValue(UIColor.clear, forKey: "insertionPointColor")
+            self.tintColor = UIColor.clear
+            pickerView.frame = CGRect(x: 0,
+                                      y: toolbarHeight,
+                                      width: UIScreen.main.bounds.size.width,
+                                      height: pickerView.bounds.size.height)
+            pickerView.backgroundColor = UIColor.white
+            return pickerView
+        }
+        set {}
+    }
+    // Done
+    @objc private func pushDoneButton() {
+        self.text = selectText
+        pickerTextFieldDelegate?.pushDoneButton?(pickerTextField: self, text: selectText)
+        resignFirstResponder()
+    }
+    // Cancel
+    @objc private func pushCancelButton() {
+        pickerTextFieldDelegate?.pushCancelButton?(pickerTextField: self)
+        resignFirstResponder()
+    }
+    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
+        return pickerDataArray[row]
+    }
+    func numberOfComponents(in pickerView: UIPickerView) -> Int {
+        return 1
+    }
+    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
+        return pickerDataArray.count
+    }
+    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
+        selectText = pickerDataArray[row]
+    }
+}
+```
 ###試したこと