NetNewsWire/iOS/Master/MasterPrimaryViewController...

122 lines
3.6 KiB
Swift

//
// MasterPrimaryViewController.swift
// NetNewsWire
//
// Created by Maurice Parker on 4/8/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import UIKit
import Account
import RSCore
import RSTree
class MasterPrimaryViewController: MasterViewController {
// MARK: Actions
@IBAction func showOPMLImportExport(_ sender: UIBarButtonItem) {
let optionMenu = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
let importOPML = UIAlertAction(title: "Import OPML", style: .default) { [unowned self] alertAction in
let docPicker = UIDocumentPickerViewController(documentTypes: ["public.xml", "org.opml.opml"], in: .import)
docPicker.delegate = self
docPicker.modalPresentationStyle = .formSheet
self.present(docPicker, animated: true)
}
optionMenu.addAction(importOPML)
let exportOPML = UIAlertAction(title: "Export OPML", style: .default) { [unowned self] alertAction in
let filename = "MySubscriptions.opml"
let tempFile = FileManager.default.temporaryDirectory.appendingPathComponent(filename)
let opmlString = OPMLExporter.OPMLString(with: AccountManager.shared.localAccount, title: filename)
do {
try opmlString.write(to: tempFile, atomically: true, encoding: String.Encoding.utf8)
} catch {
self.presentError(title: "OPML Export Error", message: error.localizedDescription)
}
let docPicker = UIDocumentPickerViewController(url: tempFile, in: .exportToService)
docPicker.modalPresentationStyle = .formSheet
self.present(docPicker, animated: true)
}
optionMenu.addAction(exportOPML)
optionMenu.addAction(UIAlertAction(title: "Cancel", style: .cancel))
if let popoverController = optionMenu.popoverPresentationController {
popoverController.barButtonItem = sender
}
self.present(optionMenu, animated: true)
}
// MARK: - Table View
override func numberOfSections(in tableView: UITableView) -> Int {
return treeController.rootNode.numberOfChildNodes
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return treeController.rootNode.childAtIndex(section)?.numberOfChildNodes ?? 0
}
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
guard let nameProvider = treeController.rootNode.childAtIndex(section)?.representedObject as? DisplayNameProvider else {
return nil
}
return nameProvider.nameForDisplay
}
// MARK: API
override func delete(indexPath: IndexPath) {
guard let containerNode = treeController.rootNode.childAtIndex(indexPath.section),
let deleteNode = containerNode.childAtIndex(indexPath.row),
let container = containerNode.representedObject as? Container else {
return
}
animatingChanges = true
if let feed = deleteNode.representedObject as? Feed {
container.deleteFeed(feed)
}
if let folder = deleteNode.representedObject as? Folder {
container.deleteFolder(folder)
}
treeController.rebuild()
tableView.deleteRows(at: [indexPath], with: .automatic)
animatingChanges = false
}
override func nodeFor(indexPath: IndexPath) -> Node? {
return treeController.rootNode.childAtIndex(indexPath.section)?.childAtIndex(indexPath.row)
}
}
extension MasterPrimaryViewController: UIDocumentPickerDelegate {
func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
for url in urls {
do {
try OPMLImporter.parseAndImport(fileURL: url, account: AccountManager.shared.localAccount)
} catch {
presentError(title: "OPML Import Error", message: error.localizedDescription)
}
}
}
}