//
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// IQKeyboardManager+ToolbarActions.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: Previous next button actions
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@available(iOSApplicationExtension, unavailable)
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public extension IQKeyboardManager {
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/**
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Returns YES if can navigate to previous responder textField/textView, otherwise NO.
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*/
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@objc var canGoPrevious: Bool {
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// If it is not first textField. then it's previous object canBecomeFirstResponder.
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guard let textFields: [UIView] = responderViews(),
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let textFieldRetain: UIView = activeConfiguration.textFieldViewInfo?.textFieldView,
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let index: Int = textFields.firstIndex(of: textFieldRetain),
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index > 0 else {
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return false
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}
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return true
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}
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/**
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Returns YES if can navigate to next responder textField/textView, otherwise NO.
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*/
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@objc var canGoNext: Bool {
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// If it is not first textField. then it's previous object canBecomeFirstResponder.
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guard let textFields: [UIView] = responderViews(),
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let textFieldRetain: UIView = activeConfiguration.textFieldViewInfo?.textFieldView,
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let index: Int = textFields.firstIndex(of: textFieldRetain),
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index < textFields.count-1 else {
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return false
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}
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return true
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}
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/**
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Navigate to previous responder textField/textView.
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*/
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@discardableResult
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@objc func goPrevious() -> Bool {
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// If it is not first textField. then it's previous object becomeFirstResponder.
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guard let textFields: [UIView] = responderViews(),
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let textFieldRetain: UIView = activeConfiguration.textFieldViewInfo?.textFieldView,
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let index: Int = textFields.firstIndex(of: textFieldRetain),
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index > 0 else {
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return false
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}
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let nextTextField: UIView = textFields[index-1]
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let isAcceptAsFirstResponder: Bool = nextTextField.becomeFirstResponder()
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// If it refuses then becoming previous textFieldView as first responder again. (Bug ID: #96)
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if !isAcceptAsFirstResponder {
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showLog("Refuses to become first responder: \(nextTextField)")
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}
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return isAcceptAsFirstResponder
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}
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/**
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Navigate to next responder textField/textView.
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*/
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@discardableResult
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@objc func goNext() -> Bool {
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// If it is not first textField. then it's previous object becomeFirstResponder.
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guard let textFields: [UIView] = responderViews(),
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let textFieldRetain: UIView = activeConfiguration.textFieldViewInfo?.textFieldView,
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let index: Int = textFields.firstIndex(of: textFieldRetain),
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index < textFields.count-1 else {
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return false
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}
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let nextTextField: UIView = textFields[index+1]
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let isAcceptAsFirstResponder: Bool = nextTextField.becomeFirstResponder()
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// If it refuses then becoming previous textFieldView as first responder again. (Bug ID: #96)
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if !isAcceptAsFirstResponder {
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showLog("Refuses to become first responder: \(nextTextField)")
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}
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return isAcceptAsFirstResponder
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}
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/** previousAction. */
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@objc internal func previousAction (_ barButton: IQBarButtonItem) {
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// If user wants to play input Click sound.
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if playInputClicks {
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// Play Input Click Sound.
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UIDevice.current.playInputClick()
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}
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guard canGoPrevious,
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let textFieldRetain: UIView = activeConfiguration.textFieldViewInfo?.textFieldView else {
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return
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}
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let isAcceptAsFirstResponder: Bool = goPrevious()
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var invocation: IQInvocation? = barButton.invocation
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var sender: UIView = textFieldRetain
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// Handling search bar special case
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do {
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if let searchBar: UIView = textFieldRetain.iq.textFieldSearchBar() {
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invocation = searchBar.iq.toolbar.previousBarButton.invocation
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sender = searchBar
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}
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}
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if isAcceptAsFirstResponder {
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invocation?.invoke(from: sender)
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}
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}
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/** nextAction. */
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@objc internal func nextAction (_ barButton: IQBarButtonItem) {
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// If user wants to play input Click sound.
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if playInputClicks {
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// Play Input Click Sound.
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UIDevice.current.playInputClick()
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}
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guard canGoNext,
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let textFieldRetain: UIView = activeConfiguration.textFieldViewInfo?.textFieldView else {
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return
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}
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let isAcceptAsFirstResponder: Bool = goNext()
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var invocation: IQInvocation? = barButton.invocation
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var sender: UIView = textFieldRetain
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// Handling search bar special case
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do {
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if let searchBar: UIView = textFieldRetain.iq.textFieldSearchBar() {
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invocation = searchBar.iq.toolbar.nextBarButton.invocation
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sender = searchBar
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}
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}
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if isAcceptAsFirstResponder {
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invocation?.invoke(from: sender)
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}
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}
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/** doneAction. Resigning current textField. */
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@objc internal func doneAction (_ barButton: IQBarButtonItem) {
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// If user wants to play input Click sound.
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if playInputClicks {
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// Play Input Click Sound.
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UIDevice.current.playInputClick()
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}
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guard let textFieldRetain: UIView = activeConfiguration.textFieldViewInfo?.textFieldView else {
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return
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}
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// Resign textFieldView.
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let isResignedFirstResponder: Bool = resignFirstResponder()
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var invocation: IQInvocation? = barButton.invocation
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var sender: UIView = textFieldRetain
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// Handling search bar special case
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do {
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if let searchBar: UIView = textFieldRetain.iq.textFieldSearchBar() {
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invocation = searchBar.iq.toolbar.doneBarButton.invocation
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sender = searchBar
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}
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}
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if isResignedFirstResponder {
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invocation?.invoke(from: sender)
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}
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}
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}
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