Add new margin method:

* margin(_ insets: UIEdgeInsets)
Set all margins using an UIEdgeInsets.
This method is particularly useful to set all margins using iOS 11 `UIView.safeAreaInsets`.

Author: Luc Dion

.travis.yml

@@ -1,15 +1,14 @@
 language: objective-c
-osx_image: xcode9
+osx_image: xcode8.3
 
 env:
   matrix:
-    - SCHEME=PinLayout       SDK=iphonesimulator11.0
-    - SCHEME=PinLayoutSample SDK=iphonesimulator11.0
-    - SCHEME=PinLayoutTVOS   SDK=appletvsimulator11.0 
+    - SCHEME=PinLayout       SDK=iphonesimulator10.3
+    - SCHEME=PinLayoutSample SDK=iphonesimulator10.3
+    - SCHEME=PinLayoutTVOS   SDK=appletvsimulator10.2 
 
 before_install:
 #  - brew outdated xctool || brew upgrade xctool;
-# - bundle install
   - gem install xcpretty-travis-formatter;
   - gem install cocoapods --no-document --quiet;
 #  - pod repo update --silent;

README.md

@@ -919,9 +919,7 @@ Set the top and bottom margins to the specified value.
 * **`margin(_ value: CGFloat)`**  
 Apply the value to all margins (top, left, bottom, right)
 * **`margin(_ insets: UIEdgeInsets)`**  
-Set margins using UIEdgeInsets. This method is particularly useful to set all margins using iOS 11 `UIView.safeAreaInsets`.
-* **`margin(_ directionalInsets: NSDirectionalEdgeInsets)`**  
-Available only on iOS 11 and higher.
+Set all margins using an UIEdgeInsets. This method is particularly useful to set all margins using iOS 11 `UIView.safeAreaInsets`.
 * **`margin(_ vertical: CGFloat, _ horizontal: CGFloat)`**  
 Set the individually vertical margins (top, bottom) and horizontal margins (left, right, start, end)
 * **`margin(_ top: CGFloat, _ horizontal: CGFloat, _ bottom: CGFloat)`**  

Sources/PinLayout.swift

@@ -337,7 +337,7 @@ public protocol PinLayout {
     @discardableResult func marginVertical(_ value: CGFloat) -> PinLayout
 
     /**
-     Set margins using UIEdgeInsets. 
+     Set all margins using UIEdgeInsets. 
      This method is particularly useful to set all margins using iOS 11 `UIView.safeAreaInsets`.
      */
     @discardableResult func margin(_ insets: UIEdgeInsets) -> PinLayout
@@ -348,8 +348,8 @@ public protocol PinLayout {
 
      Available only on iOS 11 and higher.
      */
-    @available(iOS 11.0, *)
-    @discardableResult func margin(_ directionalInsets: NSDirectionalEdgeInsets) -> PinLayout
+    //@available(iOS 11.0, *)
+    //@discardableResult func margin(_ directionalInsets: NSDirectionalEdgeInsets) -> PinLayout
 
     /**
      Set all margins to the specified value.

Sources/PinLayoutImpl.swift

@@ -779,15 +779,15 @@ class PinLayoutImpl: PinLayout {
         return self
     }
 
-    @available(iOS 11.0, *)
+    /*@available(iOS 11.0, *)
     @discardableResult
     func margin(_ directionalInsets: NSDirectionalEdgeInsets) -> PinLayout {
         marginTop = directionalInsets.top
         marginBottom = directionalInsets.bottom
         marginStart(directionalInsets.leading)
         marginEnd(directionalInsets.trailing)
         return self
-    }
+    }*/
 
     @discardableResult
     func margin(_ value: CGFloat) -> PinLayout {

Tests/MarginsSpec.swift

@@ -557,7 +557,7 @@ class MarginsSpec: QuickSpec {
                 expect(aView.frame).to(equal(CGRect(x: 20.0, y: 10.0, width: 340.0, height: 360.0)))
             }
 
-            if #available(iOS 11.0, *) {
+            /*if #available(iOS 11.0, *) {
                 it("should adjust the aView") {
                     Pin.layoutDirection(.ltr)
                     aView.pin.top().bottom().start().end().margin(NSDirectionalEdgeInsets(top: 10, leading: 20, bottom: 30, trailing: 40))
@@ -575,7 +575,7 @@ class MarginsSpec: QuickSpec {
                     aView.pin.top().bottom().start().end().margin(NSDirectionalEdgeInsets(top: 10, leading: 20, bottom: 30, trailing: 40))
                     expect(aView.frame).to(equal(CGRect(x: 20.0, y: 10.0, width: 340.0, height: 360.0)))
                 }
-            }
+            }*/
         }
     }
 }