like ios8 UIBarButtonItem on ios7 iPad

SplitViewControllerDemo/Images.xcassets/img.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x",
+      "filename" : "img.png"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

SplitViewControllerDemo/SelectColorTableViewController.swift

@@ -63,6 +63,8 @@ class SelectColorTableViewController: UITableViewController {
             if let selectedRowIndexPath = tableView.indexPathForSelectedRow() {
                 let color = colors[selectedRowIndexPath.row]
                 colorViewController.color = color
+                // :-)
+                UIApplication.sharedApplication().keyWindow?.tintColor = color.color
             }
         }
     }

SplitViewControllerDemo/SplitViewSupport.swift

@@ -9,11 +9,94 @@
 import UIKit
 
 // MARK: - iPad ios7support
+class CustomView: UIView {
+
+    let imgView = UIImageView()
+    let label = UILabel()
+
+    init(from: UIBarButtonItem?) {
+
+        // chevron
+        imgView.image = UISplitViewController.ios7Support.img?.imageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate)
+        imgView.sizeToFit()
+        imgView.frame.offset(dx: 0, dy: 1)
+
+        // label
+        label.text = "    "
+        if let title = from?.title {
+            label.text! += title
+        }
+        label.sizeToFit()
+        label.frame.offset(dx: 0, dy: 1)
+
+        // init with proper size
+        super.init(frame: label.bounds)
+
+        // set colors
+        label.textColor = tintColor
+
+        // compose
+        addSubview(imgView)
+        addSubview(label)
+
+        // functionality
+        let action: Selector = from?.action ?? Selector()
+
+        // tap animation
+        let tap = UITapGestureRecognizer(target: self, action: Selector("tapAction"))
+
+        // UIBarButtonItem current functionality
+        if let target = from?.target as? UISplitViewController {
+            tap.addTarget(target, action: action)
+        }
+        addGestureRecognizer(tap)
+    }
+
+    func tapAction() {
+        // experimental, I am not able to get 'system default value'
+        label.alpha = 0.2
+
+        UIView.animateWithDuration(0.3) {
+            [unowned self] in
+            self.label.alpha = 1
+        }
+    }
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+    }
+
+    required init(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+    }
+
+    override func tintColorDidChange() {
+        label.textColor = tintColor
+        super.tintColorDidChange()
+    }
+}
+
+class ModeButtonItem: UIBarButtonItem {
+
+    init(from: UIBarButtonItem?) {
+        super.init(customView: CustomView(from: from))
+    }
+
+    required init(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+    }
+
+    override init() {
+        super.init()
+    }
+
+}
 
 extension UISplitViewController: UISplitViewControllerDelegate {
 
     struct ios7Support {
         static var modeButtonItem: UIBarButtonItem?
+        static var img = UIImage(named: "img.png")
     }
 
     var backBarButtonItem: UIBarButtonItem? {
@@ -26,8 +109,11 @@ extension UISplitViewController: UISplitViewControllerDelegate {
             }
         }
         set {
-            ios7Support.modeButtonItem = newValue
-        }
+            if let button = newValue {
+                ios7Support.modeButtonItem = ModeButtonItem(from: newValue)
+            } else {
+                ios7Support.modeButtonItem = nil
+            }        }
     }
 
     // simple trick, without swizzling :-)
@@ -39,8 +125,10 @@ extension UISplitViewController: UISplitViewControllerDelegate {
     public func splitViewController(svc: UISplitViewController, willHideViewController aViewController: UIViewController, withBarButtonItem barButtonItem: UIBarButtonItem, forPopoverController pc: UIPopoverController) {
         if (!svc.respondsToSelector(Selector("displayModeButtonItem"))) {
             if let detailView = svc.viewControllers[svc.viewControllers.count-1] as? UINavigationController {
+                // set the button
                 svc.backBarButtonItem = barButtonItem
-                detailView.topViewController.navigationItem.leftBarButtonItem = barButtonItem
+                // get NEW!!!!! button
+                detailView.topViewController.navigationItem.leftBarButtonItem = svc.backBarButtonItem
             }
         }
     }