// // NCOffline.swift // Nextcloud // // Created by Marino Faggiana on 24/10/2018. // Copyright © 2018 Marino Faggiana. All rights reserved. // // Author Marino Faggiana // // 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 . // import Foundation import Sheeeeeeeeet class NCOffline: UIViewController, UIGestureRecognizerDelegate, NCListCellDelegate, NCGridCellDelegate, NCSectionHeaderMenuDelegate, DropdownMenuDelegate, DZNEmptyDataSetSource, DZNEmptyDataSetDelegate, BKPasscodeViewControllerDelegate { @IBOutlet fileprivate weak var collectionView: UICollectionView! var titleCurrentFolder = NSLocalizedString("_manage_file_offline_", comment: "") var serverUrl = "" private let appDelegate = UIApplication.shared.delegate as! AppDelegate private var metadataPush: tableMetadata? private var isEditMode = false private var selectFileID = [String]() private var sectionDatasource = CCSectionDataSourceMetadata() private var typeLayout = "" private var datasourceSorted = "" private var datasourceAscending = true private var datasourceGroupBy = "" private var datasourceDirectoryOnTop = false private var autoUploadFileName = "" private var autoUploadDirectory = "" private var listLayout: NCListLayout! private var gridLayout: NCGridLayout! private var actionSheet: ActionSheet? private let headerMenuHeight: CGFloat = 50 private let sectionHeaderHeight: CGFloat = 20 private let footerHeight: CGFloat = 50 private let refreshControl = UIRefreshControl() //BKPasscodeViewController private var failedAttempts: Double = 0 private var lockUntilDate: NSDate? override func viewDidLoad() { super.viewDidLoad() // Cell collectionView.register(UINib.init(nibName: "NCListCell", bundle: nil), forCellWithReuseIdentifier: "listCell") collectionView.register(UINib.init(nibName: "NCGridCell", bundle: nil), forCellWithReuseIdentifier: "gridCell") // Header collectionView.register(UINib.init(nibName: "NCSectionHeaderMenu", bundle: nil), forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "sectionHeaderMenu") collectionView.register(UINib.init(nibName: "NCSectionHeader", bundle: nil), forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "sectionHeader") // Footer collectionView.register(UINib.init(nibName: "NCSectionFooter", bundle: nil), forSupplementaryViewOfKind: UICollectionView.elementKindSectionFooter, withReuseIdentifier: "sectionFooter") collectionView.alwaysBounceVertical = true listLayout = NCListLayout() gridLayout = NCGridLayout() // Add Refresh Control if #available(iOS 10.0, *) { collectionView.refreshControl = refreshControl } else { collectionView.addSubview(refreshControl) } // Configure Refresh Control refreshControl.tintColor = NCBrandColor.sharedInstance.brandText refreshControl.backgroundColor = NCBrandColor.sharedInstance.brand refreshControl.addTarget(self, action: #selector(loadDatasource), for: .valueChanged) // empty Data Source self.collectionView.emptyDataSetDelegate = self; self.collectionView.emptyDataSetSource = self; // 3D Touch peek and pop if traitCollection.forceTouchCapability == .available { registerForPreviewing(with: self, sourceView: view) } } override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) // Color appDelegate.aspectNavigationControllerBar(self.navigationController?.navigationBar, online: appDelegate.reachability.isReachable(), hidden: false) appDelegate.aspectTabBar(self.tabBarController?.tabBar, hidden: false) self.navigationItem.title = titleCurrentFolder (typeLayout, datasourceSorted, datasourceAscending, datasourceGroupBy, datasourceDirectoryOnTop) = NCUtility.sharedInstance.getLayoutForView(key: k_layout_view_offline) // get auto upload folder autoUploadFileName = NCManageDatabase.sharedInstance.getAccountAutoUploadFileName() autoUploadDirectory = NCManageDatabase.sharedInstance.getAccountAutoUploadDirectory(appDelegate.activeUrl) if typeLayout == k_layout_list { collectionView.collectionViewLayout = listLayout } else { collectionView.collectionViewLayout = gridLayout } loadDatasource() } override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) { super.viewWillTransition(to: size, with: coordinator) coordinator.animate(alongsideTransition: nil) { _ in self.collectionView.collectionViewLayout.invalidateLayout() self.actionSheet?.viewDidLayoutSubviews() } } // MARK: DZNEmpty func backgroundColor(forEmptyDataSet scrollView: UIScrollView) -> UIColor? { return NCBrandColor.sharedInstance.backgroundView } func image(forEmptyDataSet scrollView: UIScrollView) -> UIImage? { return CCGraphics.changeThemingColorImage(UIImage.init(named: "folder"), width: 300, height: 300, color: NCBrandColor.sharedInstance.brandElement) } func title(forEmptyDataSet scrollView: UIScrollView) -> NSAttributedString? { let text = "\n"+NSLocalizedString("_files_no_files_", comment: "") let attributes = [NSAttributedString.Key.font: UIFont.boldSystemFont(ofSize: 20), NSAttributedString.Key.foregroundColor: UIColor.lightGray] return NSAttributedString.init(string: text, attributes: attributes) } func emptyDataSetShouldAllowScroll(_ scrollView: UIScrollView) -> Bool { return true } // MARK: BKPASSCODEVIEWCONTROLLER func passcodeViewController(_ aViewController: BKPasscodeViewController!, didFinishWithPasscode aPasscode: String!) { aViewController.dismiss(animated: true, completion: nil) performSegueDirectoryWithControlPasscode(controlPasscode: false) } func passcodeViewController(_ aViewController: BKPasscodeViewController!, authenticatePasscode aPasscode: String!, resultHandler aResultHandler: ((Bool) -> Void)!) { if aPasscode == CCUtility.getBlockCode() { failedAttempts = 0 lockUntilDate = nil aResultHandler(true) } else { aResultHandler(false) } } func passcodeViewControllerDidFailAttempt(_ aViewController: BKPasscodeViewController!) { failedAttempts += 1 if failedAttempts > 5 { var timeInterval: TimeInterval = 60 if failedAttempts > 6 { let multiplier: Double = failedAttempts - 6 timeInterval = (5 * 60) * multiplier if timeInterval > 3600 * 24 { timeInterval = 3600 * 24 } } lockUntilDate = NSDate.init(timeIntervalSinceNow: timeInterval) } } func passcodeViewControllerNumber(ofFailedAttempts aViewController: BKPasscodeViewController!) -> UInt { return UInt(failedAttempts) } func passcodeViewControllerLock(untilDate aViewController: BKPasscodeViewController!) -> Date? { return lockUntilDate as Date? } @objc func passcodeViewCloseButtonPressed(_ sender: Any) { self.dismiss(animated: true, completion: nil) } // MARK: TAP EVENT func tapSwitchHeader(sender: Any) { if collectionView.collectionViewLayout == gridLayout { // list layout UIView.animate(withDuration: 0.0, animations: { self.collectionView.collectionViewLayout.invalidateLayout() self.collectionView.setCollectionViewLayout(self.listLayout, animated: false, completion: { (_) in self.collectionView.reloadData() self.collectionView.setContentOffset(CGPoint(x:0,y:0), animated: false) }) }) typeLayout = k_layout_list NCUtility.sharedInstance.setLayoutForView(key: k_layout_view_offline, layout: typeLayout, sort: datasourceSorted, ascending: datasourceAscending, groupBy: datasourceGroupBy, directoryOnTop: datasourceDirectoryOnTop) } else { // grid layout UIView.animate(withDuration: 0.0, animations: { self.collectionView.collectionViewLayout.invalidateLayout() self.collectionView.setCollectionViewLayout(self.gridLayout, animated: false, completion: { (_) in self.collectionView.reloadData() self.collectionView.setContentOffset(CGPoint(x:0,y:0), animated: false) }) }) typeLayout = k_layout_grid NCUtility.sharedInstance.setLayoutForView(key: k_layout_view_offline, layout: typeLayout, sort: datasourceSorted, ascending: datasourceAscending, groupBy: datasourceGroupBy, directoryOnTop: datasourceDirectoryOnTop) } } func tapOrderHeader(sender: Any) { var menuView: DropdownMenu? var selectedIndexPath = [IndexPath()] let item1 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "sortFileNameAZ"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_order_by_name_a_z_", comment: "")) let item2 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "sortFileNameZA"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_order_by_name_z_a_", comment: "")) let item3 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "sortDateMoreRecent"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_order_by_date_more_recent_", comment: "")) let item4 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "sortDateLessRecent"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_order_by_date_less_recent_", comment: "")) let item5 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "sortSmallest"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_order_by_size_smallest_", comment: "")) let item6 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "sortLargest"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_order_by_size_largest_", comment: "")) switch datasourceSorted { case "fileName": if datasourceAscending == true { item1.style = .highlight; selectedIndexPath.append(IndexPath(row: 0, section: 0)) } if datasourceAscending == false { item2.style = .highlight; selectedIndexPath.append(IndexPath(row: 1, section: 0)) } case "date": if datasourceAscending == false { item3.style = .highlight; selectedIndexPath.append(IndexPath(row: 2, section: 0)) } if datasourceAscending == true { item4.style = .highlight; selectedIndexPath.append(IndexPath(row: 3, section: 0)) } case "size": if datasourceAscending == true { item5.style = .highlight; selectedIndexPath.append(IndexPath(row: 4, section: 0)) } if datasourceAscending == false { item6.style = .highlight; selectedIndexPath.append(IndexPath(row: 5, section: 0)) } default: () } let item7 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "MenuGroupByAlphabetic"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_group_alphabetic_no_", comment: "")) let item8 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "MenuGroupByFile"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_group_typefile_no_", comment: "")) let item9 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "MenuGroupByDate"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_group_date_no_", comment: "")) switch datasourceGroupBy { case "alphabetic": item7.style = .highlight; selectedIndexPath.append(IndexPath(row: 0, section: 1)) case "typefile": item8.style = .highlight; selectedIndexPath.append(IndexPath(row: 1, section: 1)) case "date": item9.style = .highlight; selectedIndexPath.append(IndexPath(row: 2, section: 1)) default: () } let item10 = DropdownItem(image: CCGraphics.changeThemingColorImage(UIImage.init(named: "foldersOnTop"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), title: NSLocalizedString("_directory_on_top_no_", comment: "")) if datasourceDirectoryOnTop { item10.style = .highlight; selectedIndexPath.append(IndexPath(row: 0, section: 2)) } let sectionOrder = DropdownSection(sectionIdentifier: "", items: [item1, item2, item3, item4, item5, item6]) let sectionGroupBy = DropdownSection(sectionIdentifier: "", items: [item7, item8, item9]) let sectionFolderOnTop = DropdownSection(sectionIdentifier: "", items: [item10]) menuView = DropdownMenu(navigationController: self.navigationController!, sections: [sectionOrder, sectionGroupBy, sectionFolderOnTop], selectedIndexPath: selectedIndexPath) menuView?.token = "tapOrderHeaderMenu" menuView?.delegate = self menuView?.rowHeight = 45 menuView?.sectionHeaderHeight = 8 menuView?.highlightColor = NCBrandColor.sharedInstance.brand menuView?.tableView.alwaysBounceVertical = false menuView?.tableViewBackgroundColor = UIColor.white let header = (sender as? UIButton)?.superview let headerRect = self.collectionView.convert(header!.bounds, from: self.view) let menuOffsetY = headerRect.height - headerRect.origin.y - 2 menuView?.topOffsetY = CGFloat(menuOffsetY) menuView?.showMenu() } func tapMoreHeader(sender: Any) { } func tapMoreListItem(with fileID: String, sender: Any) { tapMoreGridItem(with: fileID, sender: sender) } func tapMoreGridItem(with fileID: String, sender: Any) { guard let metadata = NCManageDatabase.sharedInstance.getMetadata(predicate: NSPredicate(format: "fileID == %@", fileID)) else { return } if !isEditMode { var items = [ActionSheetItem]() let appearanceDelete = ActionSheetItemAppearance.init() appearanceDelete.textColor = UIColor.red // 0 == CCMore, 1 = first NCOffline .... if (self == self.navigationController?.viewControllers[1]) { items.append(ActionSheetItem(title: NSLocalizedString("_remove_available_offline_", comment: ""), value: 0, image: CCGraphics.changeThemingColorImage(UIImage.init(named: "offline"), multiplier: 2, color: NCBrandColor.sharedInstance.icon))) } items.append(ActionSheetItem(title: NSLocalizedString("_share_", comment: ""), value: 1, image: CCGraphics.changeThemingColorImage(UIImage.init(named: "share"), width: 50, height: 50, color: NCBrandColor.sharedInstance.icon))) let itemDelete = ActionSheetItem(title: NSLocalizedString("_delete_", comment: ""), value: 2, image: CCGraphics.changeThemingColorImage(UIImage.init(named: "trash"), width: 50, height: 50, color: .red)) itemDelete.customAppearance = appearanceDelete items.append(itemDelete) items.append(ActionSheetCancelButton(title: NSLocalizedString("_cancel_", comment: ""))) actionSheet = ActionSheet(items: items) { sheet, item in if item.value as? Int == 0 { if metadata.directory { NCManageDatabase.sharedInstance.setDirectory(serverUrl: CCUtility.stringAppendServerUrl(metadata.serverUrl, addFileName: metadata.fileName)!, offline: false, account: self.appDelegate.activeAccount) } else { NCManageDatabase.sharedInstance.setLocalFile(fileID: metadata.fileID, offline: false) } self.loadDatasource() } if item.value as? Int == 1 { self.appDelegate.activeMain.readShare(withAccount: self.appDelegate.activeAccount, openWindow: true, metadata: metadata) } if item.value as? Int == 2 { self.deleteItem(with: metadata, sender: sender) } if item is ActionSheetCancelButton { print("Cancel buttons has the value `true`") } } let headerView = NCActionSheetHeader.sharedInstance.actionSheetHeader(isDirectory: metadata.directory, iconName: metadata.iconName, fileID: metadata.fileID, fileNameView: metadata.fileNameView, text: metadata.fileNameView) actionSheet?.headerView = headerView actionSheet?.headerView?.frame.size.height = 50 actionSheet?.present(in: self, from: sender as! UIButton) } else { let buttonPosition:CGPoint = (sender as! UIButton).convert(CGPoint.zero, to:collectionView) let indexPath = collectionView.indexPathForItem(at: buttonPosition) collectionView(self.collectionView, didSelectItemAt: indexPath!) } } // MARK: DROP-DOWN-MENU func dropdownMenu(_ dropdownMenu: DropdownMenu, didSelectRowAt indexPath: IndexPath) { if dropdownMenu.token == "tapOrderHeaderMenu" { switch indexPath.section { case 0: switch indexPath.row { case 0: datasourceSorted = "fileName"; datasourceAscending = true case 1: datasourceSorted = "fileName"; datasourceAscending = false case 2: datasourceSorted = "date"; datasourceAscending = false case 3: datasourceSorted = "date"; datasourceAscending = true case 4: datasourceSorted = "size"; datasourceAscending = true case 5: datasourceSorted = "size"; datasourceAscending = false default: () } case 1: switch indexPath.row { case 0: if datasourceGroupBy == "alphabetic" { datasourceGroupBy = "none" } else { datasourceGroupBy = "alphabetic" } case 1: if datasourceGroupBy == "typefile" { datasourceGroupBy = "none" } else { datasourceGroupBy = "typefile" } case 2: if datasourceGroupBy == "date" { datasourceGroupBy = "none" } else { datasourceGroupBy = "date" } default: () } case 2: if datasourceDirectoryOnTop { datasourceDirectoryOnTop = false } else { datasourceDirectoryOnTop = true } default: () } NCUtility.sharedInstance.setLayoutForView(key: k_layout_view_offline, layout: typeLayout, sort: datasourceSorted, ascending: datasourceAscending, groupBy: datasourceGroupBy, directoryOnTop: datasourceDirectoryOnTop) loadDatasource() } if dropdownMenu.token == "tapMoreHeaderMenu" { } if dropdownMenu.token == "tapMoreHeaderMenuSelect" { } } // MARK: SEGUE override func prepare(for segue: UIStoryboardSegue, sender: Any?) { let photoDataSource: NSMutableArray = [] for fileID: String in sectionDatasource.allFileID as! [String] { let metadata = sectionDatasource.allRecordsDataSource.object(forKey: fileID) as! tableMetadata if metadata.typeFile == k_metadataTypeFile_image { photoDataSource.add(metadata) } } if let segueNavigationController = segue.destination as? UINavigationController { if let segueViewController = segueNavigationController.topViewController as? CCDetail { segueViewController.metadataDetail = metadataPush segueViewController.dateFilterQuery = nil segueViewController.photoDataSource = photoDataSource segueViewController.title = metadataPush!.fileNameView } } } // MARK: NAVIGATION private func performSegueDirectoryWithControlPasscode(controlPasscode: Bool) { guard let serverUrlPush = CCUtility.stringAppendServerUrl(metadataPush!.serverUrl, addFileName: metadataPush!.fileName) else { return } guard let directoryPush = NCManageDatabase.sharedInstance.getTableDirectory(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@", appDelegate.activeAccount, serverUrlPush)) else { return } if directoryPush.lock == true && CCUtility.getBlockCode() != nil && (CCUtility.getBlockCode()?.count)! > 0 && controlPasscode { let viewController = CCBKPasscode.init(nibName: nil, bundle: nil) guard let touchIDManager = BKTouchIDManager.init(keychainServiceName: k_serviceShareKeyChain) else { return } touchIDManager.promptText = NSLocalizedString("_scan_fingerprint_", comment: "") viewController.delegate = self viewController.type = BKPasscodeViewControllerCheckPasscodeType viewController.inputViewTitlePassword = true if CCUtility.getSimplyBlockCode() { viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle viewController.passcodeInputView.maximumLength = 6 } else { viewController.passcodeStyle = BKPasscodeInputViewNormalPasscodeStyle viewController.passcodeInputView.maximumLength = 64 } viewController.touchIDManager = touchIDManager viewController.title = NSLocalizedString("_folder_blocked_", comment: "") viewController.navigationItem.leftBarButtonItem = UIBarButtonItem.init(barButtonSystemItem: UIBarButtonItem.SystemItem.cancel, target: self, action: #selector(passcodeViewCloseButtonPressed(_:))) viewController.navigationItem.leftBarButtonItem?.tintColor = UIColor.black let navigationController = UINavigationController.init(rootViewController: viewController) self.present(navigationController, animated: true, completion: nil) return } let ncOffline:NCOffline = UIStoryboard(name: "NCOffline", bundle: nil).instantiateInitialViewController() as! NCOffline ncOffline.serverUrl = serverUrlPush ncOffline.titleCurrentFolder = metadataPush!.fileNameView self.navigationController?.pushViewController(ncOffline, animated: true) } } // MARK: - 3D Touch peek and pop extension NCOffline: UIViewControllerPreviewingDelegate { func previewingContext(_ previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? { guard let point = collectionView?.convert(location, from: collectionView?.superview) else { return nil } guard let indexPath = collectionView?.indexPathForItem(at: point) else { return nil } guard let metadata = NCMainCommon.sharedInstance.getMetadataFromSectionDataSourceIndexPath(indexPath, sectionDataSource: sectionDatasource) else { return nil } guard let viewController = UIStoryboard(name: "CCPeekPop", bundle: nil).instantiateViewController(withIdentifier: "PeekPopImagePreview") as? CCPeekPop else { return nil } viewController.metadata = metadata if typeLayout == k_layout_grid { guard let cell = collectionView?.cellForItem(at: indexPath) as? NCGridCell else { return nil } previewingContext.sourceRect = cell.frame viewController.imageFile = cell.imageItem.image } else { guard let cell = collectionView?.cellForItem(at: indexPath) as? NCListCell else { return nil } previewingContext.sourceRect = cell.frame viewController.imageFile = cell.imageItem.image } viewController.showOpenIn = true viewController.showShare = false return viewController } func previewingContext(_ previewingContext: UIViewControllerPreviewing, commit viewControllerToCommit: UIViewController) { guard let indexPath = collectionView?.indexPathForItem(at: previewingContext.sourceRect.origin) else { return } collectionView(collectionView, didSelectItemAt: indexPath) } } // MARK: - Collection View extension NCOffline: UICollectionViewDelegate { func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) { guard let metadata = NCMainCommon.sharedInstance.getMetadataFromSectionDataSourceIndexPath(indexPath, sectionDataSource: sectionDatasource) else { return } metadataPush = metadata if isEditMode { if let index = selectFileID.firstIndex(of: metadata.fileID) { selectFileID.remove(at: index) } else { selectFileID.append(metadata.fileID) } collectionView.reloadItems(at: [indexPath]) return } if metadata.directory { performSegueDirectoryWithControlPasscode(controlPasscode: true) } else { performSegue(withIdentifier: "segueDetail", sender: self) } } } extension NCOffline: UICollectionViewDataSource { func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView { if (indexPath.section == 0) { if kind == UICollectionView.elementKindSectionHeader { let header = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "sectionHeaderMenu", for: indexPath) as! NCSectionHeaderMenu if collectionView.collectionViewLayout == gridLayout { header.buttonSwitch.setImage(CCGraphics.changeThemingColorImage(UIImage.init(named: "switchList"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), for: .normal) } else { header.buttonSwitch.setImage(CCGraphics.changeThemingColorImage(UIImage.init(named: "switchGrid"), multiplier: 2, color: NCBrandColor.sharedInstance.icon), for: .normal) } header.delegate = self header.setStatusButton(count: sectionDatasource.allFileID.count) header.setTitleOrder(datasourceSorted: datasourceSorted, datasourceAscending: datasourceAscending) if datasourceGroupBy == "none" { header.labelSection.isHidden = true header.labelSectionHeightConstraint.constant = 0 } else { header.labelSection.isHidden = false header.setTitleLabel(sectionDatasource: sectionDatasource, section: indexPath.section) header.labelSectionHeightConstraint.constant = sectionHeaderHeight } return header } else { let footer = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "sectionFooter", for: indexPath) as! NCSectionFooter footer.setTitleLabel(sectionDatasource: sectionDatasource) return footer } } else { if kind == UICollectionView.elementKindSectionHeader { let header = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "sectionHeader", for: indexPath) as! NCSectionHeader header.setTitleLabel(sectionDatasource: sectionDatasource, section: indexPath.section) return header } else { let footer = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "sectionFooter", for: indexPath) as! NCSectionFooter footer.setTitleLabel(sectionDatasource: sectionDatasource) return footer } } } func numberOfSections(in collectionView: UICollectionView) -> Int { let sections = sectionDatasource.sectionArrayRow.allKeys.count return sections } func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { let key = sectionDatasource.sections.object(at: section) let datasource = sectionDatasource.sectionArrayRow.object(forKey: key) as! [tableMetadata] return datasource.count } func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { let cell: UICollectionViewCell guard let metadata = NCMainCommon.sharedInstance.getMetadataFromSectionDataSourceIndexPath(indexPath, sectionDataSource: sectionDatasource) else { return collectionView.dequeueReusableCell(withReuseIdentifier: "listCell", for: indexPath) as! NCListCell } if typeLayout == k_layout_grid { cell = collectionView.dequeueReusableCell(withReuseIdentifier: "gridCell", for: indexPath) as! NCGridCell } else { cell = collectionView.dequeueReusableCell(withReuseIdentifier: "listCell", for: indexPath) as! NCListCell } NCMainCommon.sharedInstance.collectionViewCellForItemAt(indexPath, collectionView: collectionView, cell: cell, metadata: metadata, metadataFolder: nil, serverUrl: metadata.serverUrl, isEditMode: isEditMode, selectFileID: selectFileID, autoUploadFileName: autoUploadFileName, autoUploadDirectory: autoUploadDirectory, hideButtonMore: false, downloadThumbnail: true, source: self) return cell } } extension NCOffline: UICollectionViewDelegateFlowLayout { func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize { if section == 0 { if datasourceGroupBy == "none" { return CGSize(width: collectionView.frame.width, height: headerMenuHeight) } else { return CGSize(width: collectionView.frame.width, height: headerMenuHeight + sectionHeaderHeight) } } else { return CGSize(width: collectionView.frame.width, height: sectionHeaderHeight) } } func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForFooterInSection section: Int) -> CGSize { let sections = sectionDatasource.sectionArrayRow.allKeys.count if (section == sections - 1) { return CGSize(width: collectionView.frame.width, height: footerHeight) } else { return CGSize(width: collectionView.frame.width, height: 0) } } } // MARK: - NC API & Algorithm extension NCOffline { @objc func loadDatasource() { var fileIDs = [String]() sectionDatasource = CCSectionDataSourceMetadata() if serverUrl == "" { if let directories = NCManageDatabase.sharedInstance.getTablesDirectory(predicate: NSPredicate(format: "account == %@ AND offline == true", appDelegate.activeAccount), sorted: "serverUrl", ascending: true) { for directory: tableDirectory in directories { fileIDs.append(directory.fileID) } } if let files = NCManageDatabase.sharedInstance.getTableLocalFiles(predicate: NSPredicate(format: "account == %@ AND offline == true", appDelegate.activeAccount), sorted: "fileName", ascending: true) { for file: tableLocalFile in files { fileIDs.append(file.fileID) } } if let metadatas = NCManageDatabase.sharedInstance.getMetadatas(predicate: NSPredicate(format: "account == %@ AND fileID IN %@", appDelegate.activeAccount, fileIDs), sorted: nil, ascending: false) { sectionDatasource = CCSectionMetadata.creataDataSourseSectionMetadata(metadatas, listProgressMetadata: nil, groupByField: datasourceGroupBy, filterFileID: nil, filterTypeFileImage: false, filterTypeFileVideo: false, sorted: datasourceSorted, ascending: datasourceAscending, activeAccount: appDelegate.activeAccount) } } else { if let metadatas = NCManageDatabase.sharedInstance.getMetadatas(predicate: NSPredicate(format: "account == %@ AND serverUrl == %@", appDelegate.activeAccount, serverUrl), sorted: nil, ascending: false) { sectionDatasource = CCSectionMetadata.creataDataSourseSectionMetadata(metadatas, listProgressMetadata: nil, groupByField: datasourceGroupBy, filterFileID: nil, filterTypeFileImage: false, filterTypeFileVideo: false, sorted: datasourceSorted, ascending: datasourceAscending, activeAccount: appDelegate.activeAccount) } } self.refreshControl.endRefreshing() collectionView.reloadData() } func deleteItem(with metadata: tableMetadata, sender: Any) { var items = [ActionSheetItem]() guard let tableDirectory = NCManageDatabase.sharedInstance.getTableDirectory(predicate: NSPredicate(format: "account == %@ AND serverUrl == serverUrl", appDelegate.activeAccount, metadata.serverUrl)) else { return } items.append(ActionSheetDangerButton(title: NSLocalizedString("_delete_", comment: ""))) items.append(ActionSheetCancelButton(title: NSLocalizedString("_cancel_", comment: ""))) actionSheet = ActionSheet(items: items) { sheet, item in if item is ActionSheetDangerButton { NCMainCommon.sharedInstance.deleteFile(metadatas: [metadata], e2ee: tableDirectory.e2eEncrypted, serverUrl: tableDirectory.serverUrl, folderFileID: tableDirectory.fileID) { (errorCode, message) in self.loadDatasource() } } if item is ActionSheetCancelButton { print("Cancel buttons has the value `true`") } } let headerView = NCActionSheetHeader.sharedInstance.actionSheetHeader(isDirectory: metadata.directory, iconName: metadata.iconName, fileID: metadata.fileID, fileNameView: metadata.fileNameView, text: metadata.fileNameView) actionSheet?.headerView = headerView actionSheet?.headerView?.frame.size.height = 50 actionSheet?.present(in: self, from: sender as! UIButton) } }