369 lines
15 KiB
Swift
369 lines
15 KiB
Swift
//
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// IQKeyboardManager+Toolbar.swift
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// https://github.com/hackiftekhar/IQKeyboardManager
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// Copyright (c) 2013-20 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 Foundation - UIKit contains Foundation
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import UIKit
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@available(iOSApplicationExtension, unavailable)
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public extension IQKeyboardManager {
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/**
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Default tag for toolbar with Done button -1002.
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*/
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private static let kIQDoneButtonToolbarTag = -1002
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/**
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Default tag for toolbar with Previous/Next buttons -1005.
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*/
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private static let kIQPreviousNextButtonToolbarTag = -1005
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/** Add toolbar if it is required to add on textFields and it's siblings. */
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internal func addToolbarIfRequired() {
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//Either there is no inputAccessoryView or if accessoryView is not appropriate for current situation(There is Previous/Next/Done toolbar).
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guard let siblings = responderViews(), !siblings.isEmpty,
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let textField = textFieldView, textField.responds(to: #selector(setter: UITextField.inputAccessoryView)),
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(textField.inputAccessoryView == nil ||
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textField.inputAccessoryView?.tag == IQKeyboardManager.kIQPreviousNextButtonToolbarTag ||
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textField.inputAccessoryView?.tag == IQKeyboardManager.kIQDoneButtonToolbarTag) else {
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return
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}
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let startTime = CACurrentMediaTime()
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showLog(">>>>> \(#function) started >>>>>", indentation: 1)
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showLog("Found \(siblings.count) responder sibling(s)")
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let rightConfiguration: IQBarButtonItemConfiguration
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if let doneBarButtonItemImage = toolbarDoneBarButtonItemImage {
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rightConfiguration = IQBarButtonItemConfiguration(image: doneBarButtonItemImage, action: #selector(self.doneAction(_:)))
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} else if let doneBarButtonItemText = toolbarDoneBarButtonItemText {
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rightConfiguration = IQBarButtonItemConfiguration(title: doneBarButtonItemText, action: #selector(self.doneAction(_:)))
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} else {
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rightConfiguration = IQBarButtonItemConfiguration(barButtonSystemItem: .done, action: #selector(self.doneAction(_:)))
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}
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rightConfiguration.accessibilityLabel = toolbarDoneBarButtonItemAccessibilityLabel ?? "Done"
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// If only one object is found, then adding only Done button.
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if (siblings.count <= 1 && previousNextDisplayMode == .default) || previousNextDisplayMode == .alwaysHide {
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textField.addKeyboardToolbarWithTarget(target: self, titleText: (shouldShowToolbarPlaceholder ? textField.drawingToolbarPlaceholder: nil), rightBarButtonConfiguration: rightConfiguration, previousBarButtonConfiguration: nil, nextBarButtonConfiguration: nil)
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textField.inputAccessoryView?.tag = IQKeyboardManager.kIQDoneButtonToolbarTag // (Bug ID: #78)
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} else if previousNextDisplayMode == .default || previousNextDisplayMode == .alwaysShow {
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let prevConfiguration: IQBarButtonItemConfiguration
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if let doneBarButtonItemImage = toolbarPreviousBarButtonItemImage {
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prevConfiguration = IQBarButtonItemConfiguration(image: doneBarButtonItemImage, action: #selector(self.previousAction(_:)))
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} else if let doneBarButtonItemText = toolbarPreviousBarButtonItemText {
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prevConfiguration = IQBarButtonItemConfiguration(title: doneBarButtonItemText, action: #selector(self.previousAction(_:)))
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} else {
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prevConfiguration = IQBarButtonItemConfiguration(image: (UIImage.keyboardPreviousImage() ?? UIImage()), action: #selector(self.previousAction(_:)))
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}
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prevConfiguration.accessibilityLabel = toolbarPreviousBarButtonItemAccessibilityLabel ?? "Previous"
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let nextConfiguration: IQBarButtonItemConfiguration
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if let doneBarButtonItemImage = toolbarNextBarButtonItemImage {
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nextConfiguration = IQBarButtonItemConfiguration(image: doneBarButtonItemImage, action: #selector(self.nextAction(_:)))
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} else if let doneBarButtonItemText = toolbarNextBarButtonItemText {
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nextConfiguration = IQBarButtonItemConfiguration(title: doneBarButtonItemText, action: #selector(self.nextAction(_:)))
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} else {
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nextConfiguration = IQBarButtonItemConfiguration(image: (UIImage.keyboardNextImage() ?? UIImage()), action: #selector(self.nextAction(_:)))
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}
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nextConfiguration.accessibilityLabel = toolbarNextBarButtonItemAccessibilityLabel ?? "Next"
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textField.addKeyboardToolbarWithTarget(target: self, titleText: (shouldShowToolbarPlaceholder ? textField.drawingToolbarPlaceholder: nil), rightBarButtonConfiguration: rightConfiguration, previousBarButtonConfiguration: prevConfiguration, nextBarButtonConfiguration: nextConfiguration)
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textField.inputAccessoryView?.tag = IQKeyboardManager.kIQPreviousNextButtonToolbarTag // (Bug ID: #78)
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}
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let toolbar = textField.keyboardToolbar
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//Setting toolbar tintColor // (Enhancement ID: #30)
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toolbar.tintColor = shouldToolbarUsesTextFieldTintColor ? textField.tintColor : toolbarTintColor
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// Setting toolbar to keyboard.
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if let textFieldView = textField as? UITextInput {
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//Bar style according to keyboard appearance
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switch textFieldView.keyboardAppearance {
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case .dark?:
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toolbar.barStyle = .black
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toolbar.barTintColor = nil
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default:
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toolbar.barStyle = .default
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toolbar.barTintColor = toolbarBarTintColor
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}
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}
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//Setting toolbar title font. // (Enhancement ID: #30)
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if shouldShowToolbarPlaceholder, !textField.shouldHideToolbarPlaceholder {
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//Updating placeholder font to toolbar. //(Bug ID: #148, #272)
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if toolbar.titleBarButton.title == nil ||
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toolbar.titleBarButton.title != textField.drawingToolbarPlaceholder {
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toolbar.titleBarButton.title = textField.drawingToolbarPlaceholder
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}
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//Setting toolbar title font. // (Enhancement ID: #30)
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toolbar.titleBarButton.titleFont = placeholderFont
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//Setting toolbar title color. // (Enhancement ID: #880)
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toolbar.titleBarButton.titleColor = placeholderColor
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//Setting toolbar button title color. // (Enhancement ID: #880)
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toolbar.titleBarButton.selectableTitleColor = placeholderButtonColor
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} else {
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toolbar.titleBarButton.title = nil
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}
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//In case of UITableView (Special), the next/previous buttons has to be refreshed everytime. (Bug ID: #56)
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textField.keyboardToolbar.previousBarButton.isEnabled = (siblings.first != textField) // If firstTextField, then previous should not be enabled.
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textField.keyboardToolbar.nextBarButton.isEnabled = (siblings.last != textField) // If lastTextField then next should not be enaled.
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let elapsedTime = CACurrentMediaTime() - startTime
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showLog("<<<<< \(#function) ended: \(elapsedTime) seconds <<<<<", indentation: -1)
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}
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/** Remove any toolbar if it is IQToolbar. */
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internal func removeToolbarIfRequired() { // (Bug ID: #18)
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guard let siblings = responderViews(), !siblings.isEmpty,
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let textField = textFieldView, textField.responds(to: #selector(setter: UITextField.inputAccessoryView)),
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(textField.inputAccessoryView == nil ||
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textField.inputAccessoryView?.tag == IQKeyboardManager.kIQPreviousNextButtonToolbarTag ||
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textField.inputAccessoryView?.tag == IQKeyboardManager.kIQDoneButtonToolbarTag) else {
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return
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}
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let startTime = CACurrentMediaTime()
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showLog(">>>>> \(#function) started >>>>>", indentation: 1)
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showLog("Found \(siblings.count) responder sibling(s)")
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for view in siblings {
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if let toolbar = view.inputAccessoryView as? IQToolbar {
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//setInputAccessoryView: check (Bug ID: #307)
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if view.responds(to: #selector(setter: UITextField.inputAccessoryView)),
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(toolbar.tag == IQKeyboardManager.kIQDoneButtonToolbarTag || toolbar.tag == IQKeyboardManager.kIQPreviousNextButtonToolbarTag) {
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if let textField = view as? UITextField {
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textField.inputAccessoryView = nil
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} else if let textView = view as? UITextView {
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textView.inputAccessoryView = nil
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}
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view.reloadInputViews()
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}
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}
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}
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let elapsedTime = CACurrentMediaTime() - startTime
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showLog("<<<<< \(#function) ended: \(elapsedTime) seconds <<<<<", indentation: -1)
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}
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/** reloadInputViews to reload toolbar buttons enable/disable state on the fly Enhancement ID #434. */
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@objc func reloadInputViews() {
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//If enabled then adding toolbar.
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if privateIsEnableAutoToolbar() {
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self.addToolbarIfRequired()
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} else {
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self.removeToolbarIfRequired()
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}
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}
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}
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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 = responderViews(), let textFieldRetain = textFieldView, let index = textFields.firstIndex(of: textFieldRetain), 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 = responderViews(), let textFieldRetain = textFieldView, let index = textFields.firstIndex(of: textFieldRetain), 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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@objc @discardableResult 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 = responderViews(), let textFieldRetain = textFieldView, let index = textFields.firstIndex(of: textFieldRetain), index > 0 else {
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return false
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}
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let nextTextField = textFields[index-1]
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let isAcceptAsFirstResponder = 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 == false {
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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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@objc @discardableResult 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 = responderViews(), let textFieldRetain = textFieldView, let index = textFields.firstIndex(of: textFieldRetain), index < textFields.count-1 else {
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return false
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}
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let nextTextField = textFields[index+1]
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let isAcceptAsFirstResponder = 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 == false {
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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 shouldPlayInputClicks {
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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, let textFieldRetain = textFieldView else {
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return
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}
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let isAcceptAsFirstResponder = goPrevious()
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var invocation = barButton.invocation
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var sender = textFieldRetain
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//Handling search bar special case
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do {
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if let searchBar = textFieldRetain.textFieldSearchBar() {
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invocation = searchBar.keyboardToolbar.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 shouldPlayInputClicks {
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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, let textFieldRetain = textFieldView else {
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return
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}
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let isAcceptAsFirstResponder = goNext()
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var invocation = barButton.invocation
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var sender = textFieldRetain
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//Handling search bar special case
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do {
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if let searchBar = textFieldRetain.textFieldSearchBar() {
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invocation = searchBar.keyboardToolbar.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 shouldPlayInputClicks {
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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 = textFieldView else {
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return
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}
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//Resign textFieldView.
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let isResignedFirstResponder = resignFirstResponder()
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var invocation = barButton.invocation
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var sender = textFieldRetain
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//Handling search bar special case
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do {
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if let searchBar = textFieldRetain.textFieldSearchBar() {
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invocation = searchBar.keyboardToolbar.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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