Make the timeline show articles.

NetNewsWire/MainWindow/MainWindowController.swift

@@ -37,6 +37,7 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 
 	private static var detailViewMinimumThickness = 384
 	private var sidebarViewController: SidebarViewController!
+	private var timelineContainerViewController: TimelineContainerViewController!
 
 	// MARK: - NSWindowController
 
@@ -64,9 +65,12 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 
 		detailSplitViewItem?.minimumThickness = CGFloat(MainWindowController.detailViewMinimumThickness)
 		restoreSplitViewState()
+
 		sidebarViewController = splitViewController?.splitViewItems[0].viewController as? SidebarViewController
 		sidebarViewController.delegate = self
 
+		timelineContainerViewController = splitViewController?.splitViewItems[1].viewController as? TimelineContainerViewController
+
 		NotificationCenter.default.addObserver(self, selector: #selector(applicationWillTerminate(_:)), name: NSApplication.willTerminateNotification, object: nil)
 
 		NotificationCenter.default.addObserver(self, selector: #selector(refreshProgressDidChange(_:)), name: .AccountRefreshDidBegin, object: nil)
@@ -365,8 +369,10 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 
 extension MainWindowController: SidebarDelegate {
 
-	func selectionDidChange(to selectedObjects: [AnyObject]?) {
+	func sidebarSelectionDidChange(to selectedObjects: [AnyObject]?) {
-		// TODO: communicate with TimelineViewController
+		// TODO: if searching, cancel search
+		timelineContainerViewController.setRepresentedObjects(selectedObjects, mode: .regular)
+		timelineContainerViewController.showTimeline(.regular)
 		updateWindowTitle()
 		NotificationCenter.default.post(name: .InspectableObjectsDidChange, object: nil)
 	}

NetNewsWire/MainWindow/Sidebar/SidebarViewController.swift

@@ -13,7 +13,7 @@ import Account
 import RSCore
 
 protocol SidebarDelegate: class {
-	func selectionDidChange(to: [AnyObject]?)
+	func sidebarSelectionDidChange(to: [AnyObject]?)
 }
 
 @objc class SidebarViewController: NSViewController, NSOutlineViewDelegate, NSOutlineViewDataSource, NSMenuDelegate, UndoableCommandRunner {
@@ -385,7 +385,7 @@ private extension SidebarViewController {
 	}
 
 	func selectionDidChange(_ selectedObjects: [AnyObject]?) {
-		delegate?.selectionDidChange(to: selectedObjects)
+		delegate?.sidebarSelectionDidChange(to: selectedObjects)
 	}
 
 	func updateUnreadCounts(for objects: [AnyObject]) {

NetNewsWire/MainWindow/Timeline/TimelineContainerViewController.swift

@@ -8,17 +8,10 @@
 
 import Cocoa
 
-enum TimelineState {
-	case empty
-	case representedObjects([AnyObject])
-}
-
 final class TimelineContainerViewController: NSViewController {
 
 	@IBOutlet var containerView: TimelineContainerView!
 	
-	private var states: [TimelineSourceMode: TimelineState] = [.regular: .empty, .search: .empty]
-
 	private lazy var regularTimelineViewController = {
 		return TimelineViewController(delegate: self)
 	}()
@@ -28,17 +21,17 @@ final class TimelineContainerViewController: NSViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
-        setState(.empty, mode: .regular)
+        setRepresentedObjects(nil, mode: .regular)
-		showTimeline(for: .regular)
+		showTimeline(.regular)
     }
 
 	// MARK: - API
 
-	func setState(_ state: TimelineState, mode: TimelineSourceMode) {
+	func setRepresentedObjects(_ objects: [AnyObject]?, mode: TimelineSourceMode) {
-		timelineViewController(for: mode).state = state
+		timelineViewController(for: mode).representedObjects = objects
 	}
 
-	func showTimeline(for mode: TimelineSourceMode) {
+	func showTimeline(_ mode: TimelineSourceMode) {
 		containerView.contentView = timelineViewController(for: mode).view
 	}
 }

NetNewsWire/MainWindow/Timeline/TimelineTableView.xib

@@ -41,6 +41,8 @@
                             </tableColumn>
                         </tableColumns>
                         <connections>
+                            <outlet property="dataSource" destination="-2" id="zir-Wd-WsF"/>
+                            <outlet property="delegate" destination="-2" id="nbI-3q-mrc"/>
                             <outlet property="menu" destination="zCu-LD-kHw" id="nNl-iz-nVl"/>
                         </connections>
                     </tableView>

NetNewsWire/MainWindow/Timeline/TimelineViewController.swift

@@ -19,13 +19,27 @@ final class TimelineViewController: NSViewController, UndoableCommandRunner {
 
 	@IBOutlet var tableView: TimelineTableView!
 
-	var state: TimelineState = .empty {
+	var representedObjects: [AnyObject]? {
 		didSet {
-			switch state {
+			if !representedObjectArraysAreEqual(oldValue, representedObjects) {
-			case .empty:
+
-				representedObjects = nil
+				if let representedObjects = representedObjects {
-			case .representedObjects(let updatedRepresentedObjects):
+					if representedObjects.count == 1 && representedObjects.first is Feed {
-				representedObjects = updatedRepresentedObjects
+						showFeedNames = false
+					}
+					else {
+						showFeedNames = true
+					}
+				}
+				else {
+					showFeedNames = false
+				}
+
+				postTimelineSelectionDidChangeNotification(nil)
+				fetchArticles()
+				if articles.count > 0 {
+					tableView.scrollRowToVisible(0)
+				}
 			}
 		}
 	}
@@ -99,32 +113,6 @@ final class TimelineViewController: NSViewController, UndoableCommandRunner {
 		}
 	}
 
-	private var representedObjects: [AnyObject]? {
-		didSet {
-			if !representedObjectArraysAreEqual(oldValue, representedObjects) {
-
-				if let representedObjects = representedObjects {
-					if representedObjects.count == 1 && representedObjects.first is Feed {
-						showFeedNames = false
-					}
-					else {
-						showFeedNames = true
-					}
-				}
-				else {
-					showFeedNames = false
-				}
-
-				postTimelineSelectionDidChangeNotification(nil)
-				articles = ArticleArray()
-				fetchArticles()
-				if articles.count > 0 {
-					tableView.scrollRowToVisible(0)
-				}
-			}
-		}
-	}
-
 	private var oneSelectedArticle: Article? {
 		return selectedArticles.count == 1 ? selectedArticles.first : nil
 	}