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71 lines
2.6 KiB
Swift
71 lines
2.6 KiB
Swift
//
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// ExportOPMLController.swift
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// NetNewsWire
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//
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// Created by Maurice Parker on 5/1/19.
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// Copyright © 2019 Ranchero Software. All rights reserved.
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//
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import AppKit
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import Account
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class ExportOPMLController {
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weak var savePanel: NSSavePanel?
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func runSheetOnWindow(_ hostWindow: NSWindow) {
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let accessoryViewController = ExportOPMLAccessoryViewController()
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let panel = NSSavePanel()
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panel.allowedFileTypes = ["opml"]
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panel.allowsOtherFileTypes = false
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panel.prompt = NSLocalizedString("Export OPML", comment: "Export OPML")
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panel.title = NSLocalizedString("Export OPML", comment: "Export OPML")
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panel.nameFieldLabel = NSLocalizedString("Export to:", comment: "Export OPML")
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panel.message = NSLocalizedString("Choose a location for the exported OPML file.", comment: "Export OPML")
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panel.isExtensionHidden = false
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panel.accessoryView = accessoryViewController.view
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NotificationCenter.default.addObserver(self, selector: #selector(selectedAccountDidChange(_:)), name: .ExportOPMLSelectedAccountDidChange, object: accessoryViewController)
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updateNameFieldStringValueIfAppropriate(savePanel: panel, from: accessoryViewController, force: true)
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savePanel = panel
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panel.beginSheetModal(for: hostWindow) { result in
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if result == NSApplication.ModalResponse.OK, let url = panel.url {
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DispatchQueue.main.async {
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guard let account = accessoryViewController.selectedAccount else { return }
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let filename = url.lastPathComponent
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let opmlString = OPMLExporter.OPMLString(with: account, title: filename)
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do {
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try opmlString.write(to: url, atomically: true, encoding: .utf8)
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}
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catch let error as NSError {
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NSApplication.shared.presentError(error)
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}
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}
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}
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NotificationCenter.default.removeObserver(self)
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}
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}
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private func updateNameFieldStringValueIfAppropriate(savePanel panel: NSSavePanel, from accessoryViewController: ExportOPMLAccessoryViewController, force: Bool = false) {
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if !force && !panel.nameFieldStringValue.hasPrefix("Subscriptions-") { return }
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guard let account = accessoryViewController.selectedAccount else { return }
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let accountName = account.nameForDisplay.replacingOccurrences(of: " ", with: "").trimmingCharacters(in: .whitespaces)
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panel.nameFieldStringValue = "Subscriptions-\(accountName).opml"
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}
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@objc private func selectedAccountDidChange(_ notification: Notification) {
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if let savePanel = savePanel, let accessoryViewController = notification.object as? ExportOPMLAccessoryViewController {
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self.updateNameFieldStringValueIfAppropriate(savePanel: savePanel, from: accessoryViewController)
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}
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}
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}
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