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//
// NCGridCell.swift
// Nextcloud
//
// Created by Marino Faggiana on 08/10/2018.
// Copyright © 2018 Marino Faggiana. All rights reserved.
//
// Author Marino Faggiana <marino.faggiana@nextcloud.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
class NCGridCell: UICollectionViewCell, UIGestureRecognizerDelegate, NCCellProtocol, NCTrashCellProtocol {
@IBOutlet weak var imageItem: UIImageView!
@IBOutlet weak var imageSelect: UIImageView!
@IBOutlet weak var imageStatus: UIImageView!
@IBOutlet weak var imageFavorite: UIImageView!
@IBOutlet weak var imageLocal: UIImageView!
@IBOutlet weak var labelTitle: UILabel!
@IBOutlet weak var labelInfo: UILabel!
@IBOutlet weak var buttonMore: UIButton!
@IBOutlet weak var imageVisualEffect: UIVisualEffectView!
@IBOutlet weak var progressView: UIProgressView!
internal var objectId = ""
private var user = ""
weak var delegate: NCGridCellDelegate?
var namedButtonMore = ""
var fileObjectId: String? {
get { return objectId }
set { objectId = newValue ?? "" }
}
var filePreviewImageView: UIImageView? {
get { return imageItem }
set { imageItem = newValue }
}
var fileUser: String? {
get { return user }
set { user = newValue ?? "" }
}
var fileTitleLabel: UILabel? {
get { return labelTitle }
set { labelTitle = newValue }
}
var fileInfoLabel: UILabel? {
get { return labelInfo }
set { labelInfo = newValue }
}
var fileProgressView: UIProgressView? {
get { return progressView }
set { progressView = newValue }
}
var fileSelectImage: UIImageView? {
get { return imageSelect }
set { imageSelect = newValue }
}
var fileStatusImage: UIImageView? {
get { return imageStatus }
set { imageStatus = newValue }
}
var fileLocalImage: UIImageView? {
get { return imageLocal }
set { imageLocal = newValue }
}
var fileFavoriteImage: UIImageView? {
get { return imageFavorite }
set { imageFavorite = newValue }
}
override func awakeFromNib() {
super.awakeFromNib()
// use entire cell as accessibility element
accessibilityHint = nil
accessibilityLabel = nil
accessibilityValue = nil
isAccessibilityElement = true
imageItem.layer.cornerRadius = 6
imageItem.layer.masksToBounds = true
imageVisualEffect.layer.cornerRadius = 6
imageVisualEffect.clipsToBounds = true
imageVisualEffect.alpha = 0.5
progressView.tintColor = NCBrandColor.shared.brandElement
progressView.transform = CGAffineTransform(scaleX: 1.0, y: 0.5)
progressView.trackTintColor = .clear
let longPressedGesture = UILongPressGestureRecognizer(target: self, action: #selector(longPress(gestureRecognizer:)))
longPressedGesture.minimumPressDuration = 0.5
longPressedGesture.delegate = self
longPressedGesture.delaysTouchesBegan = true
self.addGestureRecognizer(longPressedGesture)
let longPressedGestureMore = UILongPressGestureRecognizer(target: self, action: #selector(longPressInsideMore(gestureRecognizer:)))
longPressedGestureMore.minimumPressDuration = 0.5
longPressedGestureMore.delegate = self
longPressedGestureMore.delaysTouchesBegan = true
buttonMore.addGestureRecognizer(longPressedGestureMore)
labelTitle.text = ""
labelInfo.text = ""
labelTitle.textColor = NCBrandColor.shared.label
labelInfo.textColor = NCBrandColor.shared.systemGray
}
override func prepareForReuse() {
super.prepareForReuse()
imageItem.backgroundColor = nil
accessibilityHint = nil
accessibilityLabel = nil
accessibilityValue = nil
}
override func snapshotView(afterScreenUpdates afterUpdates: Bool) -> UIView? {
return nil
}
@IBAction func touchUpInsideMore(_ sender: Any) {
delegate?.tapMoreGridItem(with: objectId, namedButtonMore: namedButtonMore, image: imageItem.image, sender: sender)
}
@objc func longPressInsideMore(gestureRecognizer: UILongPressGestureRecognizer) {
delegate?.longPressMoreGridItem(with: objectId, namedButtonMore: namedButtonMore, gestureRecognizer: gestureRecognizer)
}
@objc func longPress(gestureRecognizer: UILongPressGestureRecognizer) {
delegate?.longPressGridItem(with: objectId, gestureRecognizer: gestureRecognizer)
}
fileprivate func setA11yActions() {
let moreName = namedButtonMore == NCGlobal.shared.buttonMoreStop ? "_cancel_" : "_more_"
self.accessibilityCustomActions = [
UIAccessibilityCustomAction(
name: NSLocalizedString(moreName, comment: ""),
target: self,
selector: #selector(touchUpInsideMore))
]
}
func setButtonMore(named: String, image: UIImage) {
namedButtonMore = named
buttonMore.setImage(image, for: .normal)
setA11yActions()
}
func hideButtonMore(_ status: Bool) {
buttonMore.isHidden = status
}
func selectMode(_ status: Bool) {
if status {
imageSelect.isHidden = false
accessibilityCustomActions = nil
} else {
imageSelect.isHidden = true
imageVisualEffect.isHidden = true
setA11yActions()
}
}
func selected(_ status: Bool) {
if status {
if traitCollection.userInterfaceStyle == .dark {
imageVisualEffect.effect = UIBlurEffect(style: .dark)
imageVisualEffect.backgroundColor = .black
} else {
imageVisualEffect.effect = UIBlurEffect(style: .extraLight)
imageVisualEffect.backgroundColor = .lightGray
}
imageSelect.image = NCBrandColor.cacheImages.checkedYes
imageVisualEffect.isHidden = false
} else {
imageSelect.isHidden = true
imageVisualEffect.isHidden = true
}
}
func writeInfoDateSize(date: NSDate, size: Int64) {
let dateFormatter = DateFormatter()
dateFormatter.dateStyle = .short
dateFormatter.timeStyle = .none
dateFormatter.locale = Locale.current
labelInfo.text = dateFormatter.string(from: date as Date) + " · " + CCUtility.transformedSize(size)
}
func setAccessibility(label: String, value: String) {
accessibilityLabel = label
accessibilityValue = value
}
}
protocol NCGridCellDelegate: AnyObject {
func tapMoreGridItem(with objectId: String, namedButtonMore: String, image: UIImage?, sender: Any)
func longPressMoreGridItem(with objectId: String, namedButtonMore: String, gestureRecognizer: UILongPressGestureRecognizer)
func longPressGridItem(with objectId: String, gestureRecognizer: UILongPressGestureRecognizer)
}
// optional func
extension NCGridCellDelegate {
func tapMoreGridItem(with objectId: String, namedButtonMore: String, image: UIImage?, sender: Any) {}
func longPressMoreGridItem(with objectId: String, namedButtonMore: String, gestureRecognizer: UILongPressGestureRecognizer) {}
func longPressGridItem(with objectId: String, gestureRecognizer: UILongPressGestureRecognizer) {}
}
// MARK: - Grid Layout
class NCGridLayout: UICollectionViewFlowLayout {
var heightLabelPlusButton: CGFloat = 60
var marginLeftRight: CGFloat = 10
var itemForLine: CGFloat = 3
var itemWidthDefault: CGFloat = 140
// MARK: - View Life Cycle
override init() {
super.init()
sectionHeadersPinToVisibleBounds = false
minimumInteritemSpacing = 1
minimumLineSpacing = marginLeftRight
self.scrollDirection = .vertical
self.sectionInset = UIEdgeInsets(top: 10, left: marginLeftRight, bottom: 0, right: marginLeftRight)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override var itemSize: CGSize {
get {
if let collectionView = collectionView {
if collectionView.frame.width < 400 {
itemForLine = 3
} else {
itemForLine = collectionView.frame.width / itemWidthDefault
}
let itemWidth: CGFloat = (collectionView.frame.width - marginLeftRight * 2 - marginLeftRight * (itemForLine - 1)) / itemForLine
let itemHeight: CGFloat = itemWidth + heightLabelPlusButton
return CGSize(width: itemWidth, height: itemHeight)
}
// Default fallback
return CGSize(width: itemWidthDefault, height: itemWidthDefault)
}
set {
super.itemSize = newValue
}
}
override func targetContentOffset(forProposedContentOffset proposedContentOffset: CGPoint) -> CGPoint {
return proposedContentOffset
}
}
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