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- //
- // IQUIScrollView+Additions.swift
- // https://github.com/hackiftekhar/IQKeyboardManager
- // Copyright (c) 2013-16 Iftekhar Qurashi.
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy
- // of this software and associated documentation files (the "Software"), to deal
- // in the Software without restriction, including without limitation the rights
- // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- // copies of the Software, and to permit persons to whom the Software is
- // furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall be included in
- // all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- // THE SOFTWARE.
- import Foundation
- import UIKit
- private var kIQShouldIgnoreScrollingAdjustment = "kIQShouldIgnoreScrollingAdjustment"
- private var kIQShouldIgnoreContentInsetAdjustment = "kIQShouldIgnoreContentInsetAdjustment"
- private var kIQShouldRestoreScrollViewContentOffset = "kIQShouldRestoreScrollViewContentOffset"
- @objc public extension UIScrollView {
-
- /**
- If YES, then scrollview will ignore scrolling (simply not scroll it) for adjusting textfield position. Default is NO.
- */
- @objc var shouldIgnoreScrollingAdjustment: Bool {
- get {
-
- if let aValue = objc_getAssociatedObject(self, &kIQShouldIgnoreScrollingAdjustment) as? Bool {
- return aValue
- } else {
- return false
- }
- }
- set(newValue) {
- objc_setAssociatedObject(self, &kIQShouldIgnoreScrollingAdjustment, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
- }
- }
- /**
- If YES, then scrollview will ignore content inset adjustment (simply not updating it) when keyboard is shown. Default is NO.
- */
- @objc var shouldIgnoreContentInsetAdjustment: Bool {
- get {
-
- if let aValue = objc_getAssociatedObject(self, &kIQShouldIgnoreContentInsetAdjustment) as? Bool {
- return aValue
- } else {
- return false
- }
- }
- set(newValue) {
- objc_setAssociatedObject(self, &kIQShouldIgnoreContentInsetAdjustment, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
- }
- }
-
- /**
- To set customized distance from keyboard for textField/textView. Can't be less than zero
- */
- @objc var shouldRestoreScrollViewContentOffset: Bool {
- get {
-
- if let aValue = objc_getAssociatedObject(self, &kIQShouldRestoreScrollViewContentOffset) as? Bool {
- return aValue
- } else {
- return false
- }
- }
- set(newValue) {
- objc_setAssociatedObject(self, &kIQShouldRestoreScrollViewContentOffset, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
- }
- }
- }
- internal extension UITableView {
-
- func previousIndexPath(of indexPath: IndexPath) -> IndexPath? {
- var previousRow = indexPath.row - 1
- var previousSection = indexPath.section
-
- //Fixing indexPath
- if previousRow < 0 {
- previousSection -= 1
-
- if previousSection >= 0 {
- previousRow = self.numberOfRows(inSection: previousSection) - 1
- }
- }
-
- if previousRow >= 0 && previousSection >= 0 {
- return IndexPath(row: previousRow, section: previousSection)
- } else {
- return nil
- }
- }
- }
- internal extension UICollectionView {
-
- func previousIndexPath(of indexPath: IndexPath) -> IndexPath? {
- var previousRow = indexPath.row - 1
- var previousSection = indexPath.section
-
- //Fixing indexPath
- if previousRow < 0 {
- previousSection -= 1
-
- if previousSection >= 0 {
- previousRow = self.numberOfItems(inSection: previousSection) - 1
- }
- }
-
- if previousRow >= 0 && previousSection >= 0 {
- return IndexPath(item: previousRow, section: previousSection)
- } else {
- return nil
- }
- }
- }
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