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Clocker/Panel/UI/HourMarkerViewItem.swift

@@ -3,13 +3,34 @@
 import Cocoa
 
 class HourMarkerViewItem: NSCollectionViewItem {
+    static let reuseIdentifier = NSUserInterfaceItemIdentifier("HourMarkerViewItem")
+
     @IBOutlet var hourLabel: NSTextField!
 
-    func setup(with indexPath: IndexPath) {
-        hourLabel.stringValue = "\(indexPath.item):00"
-        if indexPath.item == 2 {
-            highlightState = .forSelection
-            isSelected = true
+    func setup(with hour: Int) {
+        var dateComponents = DateComponents()
+        dateComponents.hour = hour
+
+        if let newDate = Calendar.autoupdatingCurrent.date(byAdding: dateComponents, to: Date().nextHour) {
+            let dateFormatter = DateFormatterManager.dateFormatterWithFormat(with: .none,
+                                                                             format: "HH:mm",
+                                                                             timezoneIdentifier: TimeZone.current.identifier,
+                                                                             locale: Locale.autoupdatingCurrent)
+
+            hourLabel.stringValue = dateFormatter.string(from: newDate)
+        }
+    }
+
+    override var acceptsFirstResponder: Bool {
+        return false
     }
+}
+
+extension Date {
+    public var nextHour: Date {
+        let calendar = Calendar.current
+        let minutes = calendar.component(.minute, from: self)
+        let components = DateComponents(hour: 1, minute: -minutes)
+        return calendar.date(byAdding: components, to: self) ?? self
     }
 }

Clocker/Panel/UI/HourMarkerViewItem.xib

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="17154" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="17156" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
     <dependencies>
         <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="17154"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="17156"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>