//
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// IQKeyboardReturnKeyHandler+TextFieldDelegate.swift
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// https://github.com/hackiftekhar/IQKeyboardManager
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// Copyright (c) 2013-24 Iftekhar Qurashi.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import UIKit
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// MARK: UITextFieldDelegate
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@available(iOSApplicationExtension, unavailable)
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extension IQKeyboardReturnKeyHandler: UITextFieldDelegate {
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@objc public func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
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if delegate == nil {
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if let unwrapDelegate: UITextFieldDelegate = textFieldViewCachedInfo(textField)?.textFieldDelegate {
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if unwrapDelegate.responds(to: #selector(UITextFieldDelegate.textFieldShouldBeginEditing(_:))) {
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return unwrapDelegate.textFieldShouldBeginEditing?(textField) ?? false
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}
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}
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}
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return true
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}
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@objc public func textFieldShouldEndEditing(_ textField: UITextField) -> Bool {
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if delegate == nil {
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if let unwrapDelegate: UITextFieldDelegate = textFieldViewCachedInfo(textField)?.textFieldDelegate {
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if unwrapDelegate.responds(to: #selector(UITextFieldDelegate.textFieldShouldEndEditing(_:))) {
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return unwrapDelegate.textFieldShouldEndEditing?(textField) ?? false
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}
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}
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}
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return true
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}
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@objc public func textFieldDidBeginEditing(_ textField: UITextField) {
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updateReturnKeyTypeOnTextField(textField)
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var aDelegate: UITextFieldDelegate? = delegate
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if aDelegate == nil {
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if let model: IQTextFieldViewInfoModel = textFieldViewCachedInfo(textField) {
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aDelegate = model.textFieldDelegate
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}
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}
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aDelegate?.textFieldDidBeginEditing?(textField)
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}
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@objc public func textFieldDidEndEditing(_ textField: UITextField) {
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var aDelegate: UITextFieldDelegate? = delegate
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if aDelegate == nil {
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if let model: IQTextFieldViewInfoModel = textFieldViewCachedInfo(textField) {
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aDelegate = model.textFieldDelegate
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}
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}
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aDelegate?.textFieldDidEndEditing?(textField)
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}
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@objc public func textFieldDidEndEditing(_ textField: UITextField, reason: UITextField.DidEndEditingReason) {
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var aDelegate: UITextFieldDelegate? = delegate
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if aDelegate == nil {
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if let model: IQTextFieldViewInfoModel = textFieldViewCachedInfo(textField) {
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aDelegate = model.textFieldDelegate
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}
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}
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aDelegate?.textFieldDidEndEditing?(textField, reason: reason)
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}
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@objc public func textField(_ textField: UITextField,
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shouldChangeCharactersIn range: NSRange,
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replacementString string: String) -> Bool {
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if delegate == nil {
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if let unwrapDelegate: UITextFieldDelegate = textFieldViewCachedInfo(textField)?.textFieldDelegate {
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let selector: Selector = #selector(UITextFieldDelegate.textField(_:shouldChangeCharactersIn:
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replacementString:))
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if unwrapDelegate.responds(to: selector) {
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return unwrapDelegate.textField?(textField,
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shouldChangeCharactersIn: range,
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replacementString: string) ?? false
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}
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}
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}
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return true
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}
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@objc public func textFieldShouldClear(_ textField: UITextField) -> Bool {
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if delegate == nil {
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if let unwrapDelegate: UITextFieldDelegate = textFieldViewCachedInfo(textField)?.textFieldDelegate {
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if unwrapDelegate.responds(to: #selector(UITextFieldDelegate.textFieldShouldClear(_:))) {
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return unwrapDelegate.textFieldShouldClear?(textField) ?? false
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}
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}
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}
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return true
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}
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@objc public func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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var isReturn: Bool = true
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if delegate == nil {
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if let unwrapDelegate: UITextFieldDelegate = textFieldViewCachedInfo(textField)?.textFieldDelegate {
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if unwrapDelegate.responds(to: #selector(UITextFieldDelegate.textFieldShouldReturn(_:))) {
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isReturn = unwrapDelegate.textFieldShouldReturn?(textField) ?? false
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}
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}
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}
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if isReturn {
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goToNextResponderOrResign(textField)
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return true
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} else {
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return goToNextResponderOrResign(textField)
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}
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}
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}
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