Show a contextual menu in the sidebar. Create and wire-up SidebarContextualMenuDelegate.

Evergreen.xcodeproj/project.pbxproj

@@ -51,6 +51,7 @@
 		846E77421F6EF6A100A165E2 /* Database.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 846E77211F6EF5D100A165E2 /* Database.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		84702AA41FA27AC0006B8943 /* MarkReadOrUnreadCommand.swift in Sources */ = {isa = PBXBuildFile; fileRef = 84702AA31FA27AC0006B8943 /* MarkReadOrUnreadCommand.swift */; };
 		8472058120142E8900AD578B /* FeedInspectorViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8472058020142E8900AD578B /* FeedInspectorViewController.swift */; };
+		847FA121202BA34100BB56C8 /* SidebarContextualMenuDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 847FA120202BA34100BB56C8 /* SidebarContextualMenuDelegate.swift */; };
 		848F6AE51FC29CFB002D422E /* FaviconDownloader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 848F6AE41FC29CFA002D422E /* FaviconDownloader.swift */; };
 		849A97431ED9EAA9007D329B /* AddFolderWindowController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 849A97421ED9EAA9007D329B /* AddFolderWindowController.swift */; };
 		849A97531ED9EAC0007D329B /* AddFeedController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 849A97511ED9EAC0007D329B /* AddFeedController.swift */; };
@@ -542,6 +543,7 @@
 		84702AA31FA27AC0006B8943 /* MarkReadOrUnreadCommand.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MarkReadOrUnreadCommand.swift; sourceTree = "<group>"; };
 		8472058020142E8900AD578B /* FeedInspectorViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedInspectorViewController.swift; sourceTree = "<group>"; };
 		847752FE2008879500D93690 /* CoreServices.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreServices.framework; path = System/Library/Frameworks/CoreServices.framework; sourceTree = SDKROOT; };
+		847FA120202BA34100BB56C8 /* SidebarContextualMenuDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SidebarContextualMenuDelegate.swift; sourceTree = "<group>"; };
 		848F6AE41FC29CFA002D422E /* FaviconDownloader.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FaviconDownloader.swift; sourceTree = "<group>"; };
 		849A97421ED9EAA9007D329B /* AddFolderWindowController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AddFolderWindowController.swift; sourceTree = "<group>"; };
 		849A97511ED9EAC0007D329B /* AddFeedController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = AddFeedController.swift; path = AddFeed/AddFeedController.swift; sourceTree = "<group>"; };
@@ -920,6 +922,7 @@
 				845F52EC1FB2B9FC00C10BF0 /* FeedPasteboardWriter.swift */,
 				849A97821ED9EC63007D329B /* SidebarStatusBarView.swift */,
 				84D5BA1F201E8FB6009092BD /* SidebarGearMenuDelegate.swift */,
+				847FA120202BA34100BB56C8 /* SidebarContextualMenuDelegate.swift */,
 				844B5B6A1FEA224000C7C76A /* Keyboard */,
 				845A29251FC928C7007B49E3 /* Cell */,
 				84A37CB3201ECD610087C5AF /* Renaming */,
@@ -1826,6 +1829,7 @@
 				84E46C7D1F75EF7B005ECFB3 /* AppDefaults.swift in Sources */,
 				D5907D972004B7EB005947E5 /* Account+Scriptability.swift in Sources */,
 				841ABA4E20145E7300980E11 /* NothingInspectorViewController.swift in Sources */,
+				847FA121202BA34100BB56C8 /* SidebarContextualMenuDelegate.swift in Sources */,
 				842E45CE1ED8C308000A8B52 /* AppNotifications.swift in Sources */,
 				844B5B5B1FEA00FB00C7C76A /* TimelineKeyboardDelegate.swift in Sources */,
 				84DAEE321F870B390058304B /* DockBadge.swift in Sources */,

Evergreen/Base.lproj/MainWindow.storyboard

@@ -359,6 +359,7 @@
                                                 <outlet property="dataSource" destination="XML-A3-pDn" id="04v-0e-BM6"/>
                                                 <outlet property="delegate" destination="XML-A3-pDn" id="fPE-cv-p5c"/>
                                                 <outlet property="keyboardDelegate" destination="h5K-zR-cUa" id="BlT-aW-sea"/>
+                                                <outlet property="menu" destination="p3f-EZ-sSD" id="KTA-tl-UrO"/>
                                             </connections>
                                         </outlineView>
                                     </subviews>
@@ -441,11 +442,28 @@
                         </constraints>
                     </view>
                     <connections>
+                        <outlet property="contextualMenuDelegate" destination="GIi-rR-u3i" id="HnU-AM-kBV"/>
                         <outlet property="gearMenuDelegate" destination="f3Y-bi-SLk" id="2on-6C-laM"/>
                         <outlet property="outlineView" destination="cnV-kg-Dn2" id="FVf-OT-E3h"/>
                     </connections>
                 </viewController>
                 <customObject id="Jih-JO-hIE" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
+                <menu id="p3f-EZ-sSD">
+                    <items>
+                        <menuItem title="Item 1" id="ZDH-CV-Y2s">
+                            <modifierMask key="keyEquivalentModifierMask"/>
+                        </menuItem>
+                        <menuItem title="Item 2" id="1F7-qu-7oN">
+                            <modifierMask key="keyEquivalentModifierMask"/>
+                        </menuItem>
+                        <menuItem title="Item 3" id="r9E-FO-GoU">
+                            <modifierMask key="keyEquivalentModifierMask"/>
+                        </menuItem>
+                    </items>
+                    <connections>
+                        <outlet property="delegate" destination="GIi-rR-u3i" id="xCL-ce-fof"/>
+                    </connections>
+                </menu>
                 <customObject id="f3Y-bi-SLk" customClass="SidebarGearMenuDelegate" customModule="Evergreen" customModuleProvider="target">
                     <connections>
                         <outlet property="sidebarViewController" destination="XML-A3-pDn" id="Tw0-4c-1Go"/>
@@ -456,6 +474,11 @@
                         <outlet property="sidebarViewController" destination="XML-A3-pDn" id="kwd-Zc-HJm"/>
                     </connections>
                 </customObject>
+                <customObject id="GIi-rR-u3i" customClass="SidebarContextualMenuDelegate" customModule="Evergreen" customModuleProvider="target">
+                    <connections>
+                        <outlet property="sidebarViewController" destination="XML-A3-pDn" id="cFr-ow-5mf"/>
+                    </connections>
+                </customObject>
             </objects>
             <point key="canvasLocation" x="-74" y="-186"/>
         </scene>
@@ -682,12 +705,12 @@
         <image name="NSMobileMe" width="32" height="32"/>
         <image name="NSRefreshTemplate" width="11" height="15"/>
         <image name="NSShareTemplate" width="11" height="16"/>
-        <image name="action" width="9.5" height="9.5"/>
+        <image name="action" width="19" height="19"/>
-        <image name="markAllRead" width="11" height="9.5"/>
+        <image name="markAllRead" width="22" height="19"/>
-        <image name="markRead" width="9.5" height="9.5"/>
+        <image name="markRead" width="19" height="19"/>
-        <image name="newFolder" width="9.5" height="9.5"/>
+        <image name="newFolder" width="19" height="19"/>
-        <image name="nextUnread" width="12" height="9.5"/>
+        <image name="nextUnread" width="24" height="19"/>
-        <image name="openInBrowser" width="9.5" height="9.5"/>
+        <image name="openInBrowser" width="19" height="19"/>
-        <image name="star" width="9.5" height="9.5"/>
+        <image name="star" width="19" height="19"/>
     </resources>
 </document>

Evergreen/MainWindow/Sidebar/SidebarContextualMenuDelegate.swift

@@ -0,0 +1,34 @@
+//
+//  SidebarContextualMenuDelegate.swift
+//  Evergreen
+//
+//  Created by Brent Simmons on 2/7/18.
+//  Copyright © 2018 Ranchero Software. All rights reserved.
+//
+
+import AppKit
+
+@objc final class SidebarContextualMenuDelegate: NSObject, NSMenuDelegate {
+
+	@IBOutlet weak var sidebarViewController: SidebarViewController?
+
+	public func menuNeedsUpdate(_ menu: NSMenu) {
+
+		guard let sidebarViewController = sidebarViewController else {
+			return
+		}
+
+		menu.removeAllItems()
+
+		guard let contextualMenu = sidebarViewController.contextualMenuForSelectedObjects() else {
+			return
+		}
+
+		let items = contextualMenu.items
+		contextualMenu.removeAllItems()
+		for menuItem in items {
+			menu.addItem(menuItem)
+		}
+	}
+}
+

Evergreen/MainWindow/Sidebar/SidebarViewController.swift

@@ -16,6 +16,7 @@ import RSCore
     
 	@IBOutlet var outlineView: SidebarOutlineView!
 	@IBOutlet var gearMenuDelegate: SidebarGearMenuDelegate!
+	@IBOutlet var contextualMenuDelegate: SidebarContextualMenuDelegate!
 	
 	let treeControllerDelegate = SidebarTreeControllerDelegate()
 	lazy var treeController: TreeController = {