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Animate chevron rotation

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This commit is contained in:
Maurice Parker
2019-09-27 05:42:16 -05:00
parent 25fa5e0167
commit 3464fbfc7f
7 changed files with 49 additions and 13 deletions
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11
iOS/MasterFeed/Cell/MasterFeedTableViewCell.swift
View File

@@ -152,15 +152,18 @@ private extension MasterFeedTableViewCell {
func addDisclosureView() {
disclosureButton = NonIntrinsicButton(type: .roundedRect)
disclosureButton!.addTarget(self, action: #selector(buttonPressed(_:)), for: UIControl.Event.touchUpInside)
disclosureButton?.setImage(AppAssets.chevronBaseImage, for: .normal)
updateDisclosureImage()
addSubviewAtInit(disclosureButton!)
}
func updateDisclosureImage() {
if disclosureExpanded {
disclosureButton?.setImage(AppAssets.chevronDownImage, for: .normal)
} else {
disclosureButton?.setImage(AppAssets.chevronRightImage, for: .normal)
UIView.animate(withDuration: 0.3) {
if self.disclosureExpanded {
self.disclosureButton?.imageView?.transform = CGAffineTransform(rotationAngle: 1.570796)
} else {
self.disclosureButton?.imageView?.transform = CGAffineTransform(rotationAngle: 0)
}
}
}

13
iOS/MasterFeed/Cell/MasterFeedTableViewSectionHeader.swift
View File

@@ -66,6 +66,8 @@ class MasterFeedTableViewSectionHeader: UITableViewHeaderFooterView {
private let unreadCountView = MasterFeedUnreadCountView(frame: CGRect.zero)
private var disclosureView: UIImageView = {
let iView = NonIntrinsicImageView()
iView.tintColor = UIColor.tertiaryLabel
iView.image = AppAssets.chevronSmallImage
iView.contentMode = .center
return iView
}()
@@ -131,11 +133,12 @@ private extension MasterFeedTableViewSectionHeader {
}
func updateDisclosureImage() {
disclosureView.tintColor = UIColor.tertiaryLabel
if disclosureExpanded {
disclosureView.image = AppAssets.chevronDownImage
} else {
disclosureView.image = AppAssets.chevronRightImage
UIView.animate(withDuration: 0.3) {
if self.disclosureExpanded {
self.disclosureView.transform = CGAffineTransform(rotationAngle: 1.570796)
} else {
self.disclosureView.transform = CGAffineTransform(rotationAngle: 0)
}
}
}