Implement and validate the Copy command for the sidebar. Fix #115.

Evergreen.xcodeproj/project.pbxproj

@@ -103,6 +103,8 @@
 		84A37CB5201ECD610087C5AF /* RenameWindowController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84A37CB4201ECD610087C5AF /* RenameWindowController.swift */; };
 		84A37CBB201ECE590087C5AF /* RenameSheet.xib in Resources */ = {isa = PBXBuildFile; fileRef = 84A37CB9201ECE590087C5AF /* RenameSheet.xib */; };
 		84AAF2BF202CF684004A0BC4 /* TimelineContextualMenuDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84AAF2BE202CF684004A0BC4 /* TimelineContextualMenuDelegate.swift */; };
+		84AD1EAA2031617300BC20B7 /* FolderPasteboardWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84AD1EA92031617300BC20B7 /* FolderPasteboardWriter.swift */; };
+		84AD1EBA2031649C00BC20B7 /* SmartFeedPasteboardWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84AD1EB92031649C00BC20B7 /* SmartFeedPasteboardWriter.swift */; };
 		84B06FAE1ED37DBD00F0B54B /* RSCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 84B06FA91ED37DAD00F0B54B /* RSCore.framework */; };
 		84B06FAF1ED37DBD00F0B54B /* RSCore.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 84B06FA91ED37DAD00F0B54B /* RSCore.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		84B06FB21ED37DBD00F0B54B /* RSDatabase.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 84B06F9D1ED37DA000F0B54B /* RSDatabase.framework */; };
@@ -622,6 +624,8 @@
 		84A6B6931FB8D43C006754AC /* DinosaursWindow.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = DinosaursWindow.xib; sourceTree = "<group>"; };
 		84A6B6951FB8DBD2006754AC /* DinosaursWindowController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DinosaursWindowController.swift; sourceTree = "<group>"; };
 		84AAF2BE202CF684004A0BC4 /* TimelineContextualMenuDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineContextualMenuDelegate.swift; sourceTree = "<group>"; };
+		84AD1EA92031617300BC20B7 /* FolderPasteboardWriter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FolderPasteboardWriter.swift; sourceTree = "<group>"; };
+		84AD1EB92031649C00BC20B7 /* SmartFeedPasteboardWriter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SmartFeedPasteboardWriter.swift; sourceTree = "<group>"; };
 		84B06F961ED37DA000F0B54B /* RSDatabase.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RSDatabase.xcodeproj; path = Frameworks/RSDatabase/RSDatabase.xcodeproj; sourceTree = "<group>"; };
 		84B06FA21ED37DAC00F0B54B /* RSCore.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RSCore.xcodeproj; path = Frameworks/RSCore/RSCore.xcodeproj; sourceTree = "<group>"; };
 		84B06FB61ED37E8B00F0B54B /* RSWeb.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RSWeb.xcodeproj; path = Frameworks/RSWeb/RSWeb.xcodeproj; sourceTree = "<group>"; };
@@ -953,6 +957,8 @@
 				849A97611ED9EB96007D329B /* SidebarTreeControllerDelegate.swift */,
 				849A97631ED9EB96007D329B /* UnreadCountView.swift */,
 				845F52EC1FB2B9FC00C10BF0 /* FeedPasteboardWriter.swift */,
+				84AD1EA92031617300BC20B7 /* FolderPasteboardWriter.swift */,
+				84AD1EB92031649C00BC20B7 /* SmartFeedPasteboardWriter.swift */,
 				849A97821ED9EC63007D329B /* SidebarStatusBarView.swift */,
 				84D5BA1F201E8FB6009092BD /* SidebarGearMenuDelegate.swift */,
 				847FA120202BA34100BB56C8 /* SidebarContextualMenuDelegate.swift */,
@@ -1895,6 +1901,7 @@
 				842E45E51ED8C6B7000A8B52 /* MainWindowSplitView.swift in Sources */,
 				84F2D53A1FC2308B00998D64 /* UnreadFeed.swift in Sources */,
 				845A29221FC9251E007B49E3 /* SidebarCellLayout.swift in Sources */,
+				84AD1EBA2031649C00BC20B7 /* SmartFeedPasteboardWriter.swift in Sources */,
 				84CC88181FE59CBF00644329 /* SmartFeedsController.swift in Sources */,
 				849A97661ED9EB96007D329B /* SidebarViewController.swift in Sources */,
 				849A97641ED9EB96007D329B /* SidebarOutlineView.swift in Sources */,
@@ -1925,6 +1932,7 @@
 				849A97791ED9EC04007D329B /* TimelineStringUtilities.swift in Sources */,
 				843A3B5620311E7700BF76EC /* FeedListOutlineView.swift in Sources */,
 				8472058120142E8900AD578B /* FeedInspectorViewController.swift in Sources */,
+				84AD1EAA2031617300BC20B7 /* FolderPasteboardWriter.swift in Sources */,
 				84F204CE1FAACB660076E152 /* FeedListViewController.swift in Sources */,
 				845A29241FC9255E007B49E3 /* SidebarCellAppearance.swift in Sources */,
 				845EE7B11FC2366500854A1F /* StarredFeedDelegate.swift in Sources */,

Evergreen/MainWindow/Sidebar/FeedPasteboardWriter.swift

@@ -8,6 +8,14 @@
 
 import AppKit
 import Data
+import RSCore
+
+extension Feed: PasteboardWriterOwner {
+
+	public var pasteboardWriter: NSPasteboardWriting {
+		return FeedPasteboardWriter(feed: self)
+	}
+}
 
 @objc final class FeedPasteboardWriter: NSObject, NSPasteboardWriting {
 

Evergreen/MainWindow/Sidebar/FolderPasteboardWriter.swift

@@ -0,0 +1,82 @@
+//
+//  FolderPasteboardWriter.swift
+//  Evergreen
+//
+//  Created by Brent Simmons on 2/11/18.
+//  Copyright © 2018 Ranchero Software. All rights reserved.
+//
+
+import AppKit
+import Account
+import RSCore
+
+extension Folder: PasteboardWriterOwner {
+
+	public var pasteboardWriter: NSPasteboardWriting {
+		return FolderPasteboardWriter(folder: self)
+	}
+}
+
+@objc final class FolderPasteboardWriter: NSObject, NSPasteboardWriting {
+
+	private let folder: Folder
+	static let folderUTIInternal = "com.ranchero.evergreen.internal.folder"
+	static let folderUTIInternalType = NSPasteboard.PasteboardType(rawValue: folderUTIInternal)
+
+	init(folder: Folder) {
+
+		self.folder = folder
+	}
+
+	// MARK: - NSPasteboardWriting
+
+	func writableTypes(for pasteboard: NSPasteboard) -> [NSPasteboard.PasteboardType] {
+
+		return [.string, FolderPasteboardWriter.folderUTIInternalType]
+	}
+
+	func pasteboardPropertyList(forType type: NSPasteboard.PasteboardType) -> Any? {
+
+		let plist: Any?
+
+		switch type {
+		case .string:
+			plist = folder.nameForDisplay
+		case FolderPasteboardWriter.folderUTIInternalType:
+			plist = internalDictionary()
+		default:
+			plist = nil
+		}
+
+		return plist
+	}
+}
+
+private extension FolderPasteboardWriter {
+
+	private struct Key {
+
+		static let name = "name"
+
+		// Internal
+		static let accountID = "accountID"
+		static let folderID = "folderID"
+	}
+
+	func internalDictionary() -> [String: Any] {
+
+		var d = [String: Any]()
+
+		d[Key.folderID] = folder.folderID
+		if let name = folder.name {
+			d[Key.name] = name
+		}
+		if let accountID = folder.account?.accountID {
+			d[Key.accountID] = accountID
+		}
+
+		return d
+
+	}
+}
+

Evergreen/MainWindow/Sidebar/SidebarViewController.swift

@@ -167,8 +167,9 @@ import RSCore
 
 	@IBAction func copy(_ sender: Any?) {
 
+		NSPasteboard.general.copyObjects(selectedObjects)
 	}
-	
+
 	// MARK: Navigation
 	
 	func canGoToNextUnread() -> Bool {
@@ -307,6 +308,19 @@ import RSCore
 	}
 }
 
+// MARK: NSUserInterfaceValidations
+
+extension SidebarViewController: NSUserInterfaceValidations {
+
+	func validateUserInterfaceItem(_ item: NSValidatedUserInterfaceItem) -> Bool {
+
+		if item.action == #selector(copy(_:)) {
+			return NSPasteboard.general.canCopyAtLeastOneObject(selectedObjects)
+		}
+		return true
+	}
+}
+
 //MARK: - Private
 
 private extension SidebarViewController {

Evergreen/MainWindow/Sidebar/SmartFeedPasteboardWriter.swift

@@ -0,0 +1,43 @@
+//
+//  SmartFeedPasteboardWriter.swift
+//  Evergreen
+//
+//  Created by Brent Simmons on 2/11/18.
+//  Copyright © 2018 Ranchero Software. All rights reserved.
+//
+
+import AppKit
+import Account
+import RSCore
+
+@objc final class SmartFeedPasteboardWriter: NSObject, NSPasteboardWriting {
+
+	private let smartFeed: PseudoFeed
+
+	init(smartFeed: PseudoFeed) {
+
+		self.smartFeed = smartFeed
+	}
+
+	// MARK: - NSPasteboardWriting
+
+	func writableTypes(for pasteboard: NSPasteboard) -> [NSPasteboard.PasteboardType] {
+
+		return [.string]
+	}
+
+	func pasteboardPropertyList(forType type: NSPasteboard.PasteboardType) -> Any? {
+
+		let plist: Any?
+
+		switch type {
+		case .string:
+			plist = smartFeed.nameForDisplay
+		default:
+			plist = nil
+		}
+
+		return plist
+	}
+}
+

Evergreen/SmartFeeds/PseudoFeed.swift

@@ -10,7 +10,7 @@ import Foundation
 import Data
 import RSCore
 
-protocol PseudoFeed: class, DisplayNameProvider, UnreadCountProvider, SmallIconProvider {
+protocol PseudoFeed: class, DisplayNameProvider, UnreadCountProvider, SmallIconProvider, PasteboardWriterOwner {
 
 }
 

Evergreen/SmartFeeds/SmartFeed.swift

@@ -32,6 +32,10 @@ final class SmartFeed: PseudoFeed {
 		}
 	}
 
+	var pasteboardWriter: NSPasteboardWriting {
+		return SmartFeedPasteboardWriter(smartFeed: self)
+	}
+
 	private let delegate: SmartFeedDelegate
 	private var timer: Timer?
 	private var unreadCounts = [Account: Int]()

Evergreen/SmartFeeds/UnreadFeed.swift

@@ -6,7 +6,7 @@
 //  Copyright © 2017 Ranchero Software. All rights reserved.
 //
 
-import Foundation
+import AppKit
 import Account
 import Data
 
@@ -24,6 +24,10 @@ final class UnreadFeed: PseudoFeed {
 		}
 	}
 
+	var pasteboardWriter: NSPasteboardWriting {
+		return SmartFeedPasteboardWriter(smartFeed: self)
+	}
+	
 	init() {
 
 		self.unreadCount = appDelegate.unreadCount