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Get selected tab index #81

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Get selected tab index #81

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6 changes: 4 additions & 2 deletions Sources/TabPageViewController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,8 @@ open class TabPageViewController: UIPageViewController {
open var isInfinity: Bool = false
open var option: TabPageOption = TabPageOption()
open var tabItems: [(viewController: UIViewController, title: String)] = []

open var indexSelected: ((Int) -> Void)?

var currentIndex: Int? {
guard let viewController = viewControllers?.first else {
return nil
Expand Down Expand Up @@ -179,6 +180,7 @@ extension TabPageViewController {
tabView.updateCurrentIndex(beforeIndex, shouldScroll: true)

tabView.pageItemPressedBlock = { [weak self] (index: Int, direction: UIPageViewControllerNavigationDirection) in
self?.indexSelected?(index)
self?.displayControllerWithIndex(index, direction: direction, animated: true)
}

Expand Down Expand Up @@ -296,7 +298,7 @@ extension TabPageViewController: UIPageViewControllerDataSource {
guard var index = tabItems.map({$0.viewController}).index(of: viewController) else {
return nil
}

self.indexSelected?(index)
if isAfter {
index += 1
} else {
Expand Down