NetNewsWire/Evergreen/MainWindow/AddFeed/AddFeedWindowController.swift

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Swift
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//
// AddFeedWindowController.swift
// Evergreen
//
// Created by Brent Simmons on 8/1/15.
// Copyright © 2015 Ranchero Software, LLC. All rights reserved.
//
import Cocoa
import RSCore
import RSTree
import Data
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import Account
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protocol AddFeedWindowControllerDelegate: class {
// userEnteredURL will have already been validated and normalized.
func addFeedWindowController(_: AddFeedWindowController, userEnteredURL: URL, userEnteredTitle: String?, container: Container)
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func addFeedWindowControllerUserDidCancel(_: AddFeedWindowController)
}
class AddFeedWindowController : NSWindowController {
@IBOutlet var urlTextField: NSTextField!
@IBOutlet var nameTextField: NSTextField!
@IBOutlet var addButton: NSButton!
@IBOutlet var folderPopupButton: NSPopUpButton!
private var urlString: String?
private var initialName: String?
fileprivate weak var delegate: AddFeedWindowControllerDelegate?
fileprivate var folderTreeController: TreeController!
private var userEnteredTitle: String? {
get {
var s = nameTextField.stringValue
s = s.rs_stringWithCollapsedWhitespace()
if s.isEmpty {
return nil
}
return s
}
}
var hostWindow: NSWindow!
convenience init(urlString: String?, name: String?, folderTreeController: TreeController, delegate: AddFeedWindowControllerDelegate?) {
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self.init(windowNibName: NSNib.Name(rawValue: "AddFeedSheet"))
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self.urlString = urlString
self.initialName = name
self.delegate = delegate
self.folderTreeController = folderTreeController
}
func runSheetOnWindow(_ w: NSWindow) {
hostWindow = w
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hostWindow.beginSheet(window!) { (returnCode: NSApplication.ModalResponse) -> Void in
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}
}
override func windowDidLoad() {
if let urlString = urlString {
urlTextField.stringValue = urlString
}
if let initialName = initialName, !initialName.isEmpty {
nameTextField.stringValue = initialName
}
folderPopupButton.menu = createFolderPopupMenu()
updateUI()
}
private func updateUI() {
var addButtonEnabled = false
let urlString = urlTextField.stringValue
if urlString.rs_stringMayBeURL() {
addButtonEnabled = true
}
addButton.isEnabled = addButtonEnabled
}
// MARK: Actions
@IBAction func cancel(_ sender: AnyObject) {
cancelSheet()
}
@IBAction func addFeed(_ sender: AnyObject) {
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let urlString = urlTextField.stringValue
let normalizedURLString = (urlString as NSString).rs_normalizedURL()
if normalizedURLString.isEmpty {
cancelSheet()
return;
}
guard let url = URL(string: normalizedURLString) else {
cancelSheet()
return
}
delegate?.addFeedWindowController(self, userEnteredURL: url, userEnteredTitle: userEnteredTitle, container: selectedContainer()!)
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}
@IBAction func localShowFeedList(_ sender: AnyObject) {
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NSApplication.shared.sendAction(NSSelectorFromString("showFeedList:"), to: nil, from: sender)
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hostWindow.endSheet(window!, returnCode: NSApplication.ModalResponse.continue)
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}
// MARK: NSTextFieldDelegate
override func controlTextDidEndEditing(_ obj: Notification) {
updateUI()
}
override func controlTextDidChange(_ obj: Notification) {
updateUI()
}
}
private extension AddFeedWindowController {
func cancelSheet() {
delegate?.addFeedWindowControllerUserDidCancel(self)
}
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func selectedContainer() -> Container? {
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return folderPopupButton.selectedItem?.representedObject as? Container
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}
func createFolderPopupMenu() -> NSMenu {
let menu = NSMenu(title: "Folders")
let menuItem = NSMenuItem(title: NSLocalizedString("Top Level", comment: "Add Feed Sheet"), action: nil, keyEquivalent: "")
menuItem.representedObject = folderTreeController.rootNode.representedObject
menu.addItem(menuItem)
if let childNodes = folderTreeController.rootNode.childNodes {
addFolderItemsToMenuWithNodes(menu: menu, nodes: childNodes, indentationLevel: 1)
}
return menu
}
func addFolderItemsToMenuWithNodes(menu: NSMenu, nodes: [Node], indentationLevel: Int) {
nodes.forEach { (oneNode) in
if let nameProvider = oneNode.representedObject as? DisplayNameProvider {
let menuItem = NSMenuItem(title: nameProvider.nameForDisplay, action: nil, keyEquivalent: "")
menuItem.indentationLevel = indentationLevel
menuItem.representedObject = oneNode.representedObject
menu.addItem(menuItem)
if oneNode.numberOfChildNodes > 0 {
addFolderItemsToMenuWithNodes(menu: menu, nodes: oneNode.childNodes!, indentationLevel: indentationLevel + 1)
}
}
}
}
}