NetNewsWire/Mac/Inspector/FolderInspectorViewControll...

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//
// FolderInspectorViewController.swift
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// NetNewsWire
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//
// Created by Brent Simmons on 1/20/18.
// Copyright © 2018 Ranchero Software. All rights reserved.
//
import AppKit
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import Account
import RSCore
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final class FolderInspectorViewController: NSViewController, Inspector {
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@IBOutlet var nameTextField: NSTextField?
private var folder: Folder? {
didSet {
if folder != oldValue {
updateUI()
}
}
}
// MARK: Inspector
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let isFallbackInspector = false
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var objects: [Any]? {
didSet {
updateFolder()
}
}
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func canInspect(_ objects: [Any]) -> Bool {
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guard let _ = singleFolder(from: objects) else {
return false
}
return true
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}
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// MARK: NSViewController
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override func viewDidLoad() {
updateUI()
NotificationCenter.default.addObserver(self, selector: #selector(displayNameDidChange(_:)), name: .DisplayNameDidChange, object: nil)
}
// MARK: Notifications
@objc func displayNameDidChange(_ note: Notification) {
guard let updatedFolder = note.object as? Folder, updatedFolder == folder else {
return
}
updateUI()
}
}
extension FolderInspectorViewController: NSTextFieldDelegate {
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func controlTextDidEndEditing(_ obj: Notification) {
guard let folder = folder, let nameTextField = nameTextField else {
return
}
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folder.rename(to: nameTextField.stringValue) { result in
switch result {
case .success:
break
case .failure(let error):
NSApplication.shared.presentError(error)
}
}
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}
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}
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private extension FolderInspectorViewController {
func singleFolder(from objects: [Any]?) -> Folder? {
guard let objects = objects, objects.count == 1, let singleFolder = objects.first as? Folder else {
return nil
}
return singleFolder
}
func updateFolder() {
folder = singleFolder(from: objects)
}
func updateUI() {
guard let nameTextField = nameTextField else {
return
}
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let name = folder?.nameForDisplay ?? ""
if nameTextField.stringValue != name {
nameTextField.stringValue = name
}
}
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}