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170
Aquaman/Aquaman/AquamanPageViewController+Additional.swift
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|---|---|---|
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| // | ||
| // AquamanPageViewController.swift | ||
| // Aquaman | ||
| // | ||
| // Created by bawn on 2018/12/7. | ||
| // Copyright © 2018 bawn. All rights reserved.( http://bawn.github.io ) | ||
| // | ||
| // 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 | ||
|
|
||
| extension AquamanPageViewController { | ||
| public func updateHeaderViewHeight(animated: Bool = false, | ||
| duration: TimeInterval = 0.25, | ||
| completion: ((Bool) -> Void)? = nil) { | ||
|
|
||
| headerViewHeight = headerViewHeightFor(self) | ||
| sillValue = headerViewHeight - menuViewPinHeight | ||
|
|
||
| mainScrollView.headerViewHeight = headerViewHeight | ||
| headerViewConstraint?.constant = headerViewHeight | ||
|
|
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| var manualHandel = false | ||
| if mainScrollView.contentOffset.y < sillValue { | ||
| currentChildScrollView?.contentOffset = currentChildScrollView?.am_originOffset ?? .zero | ||
| currentChildScrollView?.am_isCanScroll = false | ||
| mainScrollView.am_isCanScroll = true | ||
| manualHandel = true | ||
| } else if mainScrollView.contentOffset.y == sillValue { | ||
| mainScrollView.am_isCanScroll = false | ||
| manualHandel = true | ||
| } | ||
| let isAdsorption = (headerViewHeight <= 0.0) ? true : !mainScrollView.am_isCanScroll | ||
| if animated { | ||
| UIView.animate(withDuration: duration, animations: { | ||
| self.mainScrollView.layoutIfNeeded() | ||
| if manualHandel { | ||
| self.pageController(self, menuView: isAdsorption) | ||
| } | ||
| }) { (finish) in | ||
| completion?(finish) | ||
| } | ||
| } else { | ||
| self.pageController(self, menuView: isAdsorption) | ||
| completion?(true) | ||
| } | ||
| } | ||
|
|
||
| public func setSelect(index: Int, animation: Bool) { | ||
| let offset = CGPoint(x: contentScrollView.bounds.width * CGFloat(index), | ||
| y: contentScrollView.contentOffset.y) | ||
| contentScrollView.setContentOffset(offset, animated: animation) | ||
| if animation == false { | ||
| contentScrollViewDidEndScroll(contentScrollView) | ||
| } | ||
| } | ||
|
|
||
| public func reloadData() { | ||
| mainScrollView.isUserInteractionEnabled = false | ||
| clear() | ||
| obtainDataSource() | ||
| updateOriginContent() | ||
| setupDataSource() | ||
| view.layoutIfNeeded() | ||
| if originIndex > 0 { | ||
| setSelect(index: originIndex, animation: false) | ||
| } else { | ||
| showChildViewContoller(at: originIndex) | ||
| didDisplayViewController(at: originIndex) | ||
| } | ||
| mainScrollView.isUserInteractionEnabled = true | ||
| } | ||
| } | ||
|
|
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|
|
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| extension AquamanPageViewController: UIScrollViewDelegate { | ||
|
|
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| public func scrollViewDidScroll(_ scrollView: UIScrollView) { | ||
|
|
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| if scrollView == mainScrollView { | ||
| pageController(self, mainScrollViewDidScroll: scrollView) | ||
| let offsetY = scrollView.contentOffset.y | ||
| if offsetY >= sillValue { | ||
| scrollView.contentOffset = CGPoint(x: 0, y: sillValue) | ||
| currentChildScrollView?.am_isCanScroll = true | ||
| scrollView.am_isCanScroll = false | ||
| pageController(self, menuView: !scrollView.am_isCanScroll) | ||
| } else { | ||
|
|
||
| if scrollView.am_isCanScroll == false { | ||
| pageController(self, menuView: true) | ||
| scrollView.contentOffset = CGPoint(x: 0, y: sillValue) | ||
| } else { | ||
| pageController(self, menuView: false) | ||
| } | ||
| } | ||
| } else { | ||
| pageController(self, contentScrollViewDidScroll: scrollView) | ||
| layoutChildViewControlls() | ||
| } | ||
| } | ||
|
|
||
| public func scrollViewWillBeginDragging(_ scrollView: UIScrollView) { | ||
| if scrollView == contentScrollView { | ||
| mainScrollView.isScrollEnabled = false | ||
| } | ||
| } | ||
|
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|
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| public func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) { | ||
| if scrollView == contentScrollView { | ||
| mainScrollView.isScrollEnabled = true | ||
| if decelerate == false { | ||
| contentScrollViewDidEndScroll(contentScrollView) | ||
| } | ||
| } | ||
| } | ||
|
|
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| public func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) { | ||
| if scrollView == contentScrollView { | ||
| contentScrollViewDidEndScroll(contentScrollView) | ||
| } | ||
| } | ||
|
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|
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| public func scrollViewDidEndScrollingAnimation(_ scrollView: UIScrollView) { | ||
| if scrollView == contentScrollView { | ||
| contentScrollViewDidEndScroll(contentScrollView) | ||
| } | ||
| } | ||
|
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| public func scrollViewShouldScrollToTop(_ scrollView: UIScrollView) -> Bool { | ||
| guard scrollView == mainScrollView else { | ||
| return false | ||
| } | ||
| currentChildScrollView?.setContentOffset(currentChildScrollView?.am_originOffset ?? .zero, animated: true) | ||
| return true | ||
| } | ||
|
|
||
| } | ||
|
|
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| extension AquamanPageViewController { | ||
| internal func childScrollViewDidScroll(_ scrollView: UIScrollView) { | ||
| if scrollView.am_isCanScroll == false { | ||
| scrollView.contentOffset = scrollView.am_originOffset ?? .zero | ||
| } | ||
| let offsetY = scrollView.contentOffset.y | ||
| if offsetY <= (scrollView.am_originOffset ?? .zero).y { | ||
| scrollView.contentOffset = scrollView.am_originOffset ?? .zero | ||
| scrollView.am_isCanScroll = false | ||
| mainScrollView.am_isCanScroll = true | ||
| } | ||
| } | ||
| } |
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