Swift 3.0 beta 6 (acegreen's branch, but with fixes for OS X)

Charts/Charts.xcodeproj/project.pbxproj

@@ -1486,6 +1486,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1527,6 +1528,7 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
+				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";

Charts/Classes/Charts/ChartViewBase.swift

@@ -357,7 +357,7 @@ open class ChartViewBase: NSUIView, ChartDataProvider, ChartAnimatorDelegate
                 // 23 is the smallest recommended font size on the TV
                 font = NSUIFont.systemFont(ofSize: 23, weight: UIFontWeightMedium)
             #else
-                font = NSUIFont.systemFont(ofSize: NSUIFont.systemFontSize)
+                font = NSUIFont.systemFont(ofSize: NSUIFont.nsuiSystemFontSize)
             #endif
         }
 

Charts/Classes/Charts/PieRadarChartViewBase.swift

@@ -627,7 +627,7 @@ open class PieRadarChartViewBase: ChartViewBase
     #endif
 
     #if os(OSX)
-    open override func mouseDown(_ theEvent: NSEvent)
+    open override func mouseDown(with theEvent: NSEvent)
     {
         // if rotation by touch is enabled
         if rotationEnabled
@@ -641,11 +641,11 @@ open class PieRadarChartViewBase: ChartViewBase
 
         if !_isRotating
         {
-            super.mouseDown(theEvent)
+            super.mouseDown(with: theEvent)
         }
     }
-    
-    open override func mouseDragged(_ theEvent: NSEvent)
+
+    open override func mouseDragged(with theEvent: NSEvent)
     {
         if rotationEnabled
         {
@@ -656,15 +656,15 @@ open class PieRadarChartViewBase: ChartViewBase
 
         if !_isRotating
         {
-            super.mouseDragged(theEvent)
+            super.mouseDragged(with: theEvent)
         }
     }
-    
-    open override func mouseUp(_ theEvent: NSEvent)
+
+    open override func mouseUp(with theEvent: NSEvent)
     {
         if !_isRotating
         {
-            super.mouseUp(theEvent)
+            super.mouseUp(with: theEvent)
         }
 
         if rotationEnabled

Charts/Classes/Data/Implementations/Standard/ChartDataEntry.swift

@@ -51,14 +51,14 @@ open class ChartDataEntry: NSObject
 
     open override func isEqual(_ object: Any?) -> Bool
     {
-        let object = object as? AnyObject
-        
-        if (object === nil)
-        {
-            return false
-        }
-        
-        if (!object!.isKind(of: type(of: self)))
+		if (object == nil)
+		{
+			return false
+		}
+
+        let object = object as AnyObject
+
+        if (!object.isKind(of: type(of: self)))
         {
             return false
         }
@@ -68,12 +68,12 @@ open class ChartDataEntry: NSObject
 			return false
 		}
 
-        if (object!.xIndex != xIndex)
+        if (object.xIndex != xIndex)
         {
             return false
         }
 
-        if (fabs(object!.value - value) > 0.00001)
+        if (fabs(object.value - value) > 0.00001)
         {
             return false
         }

Charts/Classes/Highlight/ChartHighlight.swift

@@ -122,40 +122,39 @@ open class ChartHighlight: NSObject
 
     open override func isEqual(_ object: Any?) -> Bool
     {
-
-        let object = object as? AnyObject
-
-        if (object === nil)
+        if (object == nil)
         {
             return false
         }
+
+		let object = object as AnyObject
 
-        if (!object!.isKind(of: type(of: self)))
+        if (!object.isKind(of: type(of: self)))
         {
             return false
         }
 
-        if (object!.xIndex != _xIndex)
+        if (object.xIndex != _xIndex)
         {
             return false
         }
 
-        if (object!.dataIndex != dataIndex)
+        if (object.dataIndex != dataIndex)
         {
             return false
         }
 
-        if (object!.dataSetIndex != _dataSetIndex)
+        if (object.dataSetIndex != _dataSetIndex)
         {
             return false
         }
 
-        if (object!.stackIndex != _stackIndex)
+        if (object.stackIndex != _stackIndex)
         {
             return false
         }
 
-        if (object!.value != value)
+        if (object.value != value)
         {
             return false
         }

Charts/Classes/Utils/ChartPlatform.swift

@@ -200,6 +200,12 @@ types are aliased to either their UI* implementation (on iOS) or their NS* imple
 		UIGraphicsBeginImageContextWithOptions(size, opaque, scale)
 	}
 
+	extension NSUIFont {
+		static var nsuiSystemFontSize: CGFloat {
+			return NSUIFont.systemFontSize
+		}
+	}
+
 #endif
 
 #if os(OSX)
@@ -221,6 +227,12 @@ types are aliased to either their UI* implementation (on iOS) or their NS* imple
 	public typealias NSUIRotationGestureRecognizer = NSRotationGestureRecognizer
 	public typealias NSUIScreen = NSScreen
 
+	extension NSUIFont {
+		static var nsuiSystemFontSize: CGFloat {
+			return NSUIFont.systemFontSize()
+		}
+	}
+
 	/** On OS X there is no CADisplayLink. Use a 60 fps timer to render the animations. */
 	open class NSUIDisplayLink
     {
@@ -251,7 +263,7 @@ types are aliased to either their UI* implementation (on iOS) or their NS* imple
                     _self._target?.performSelector(onMainThread: _self._selector, with: _self, waitUntilDone: false)
 
                     return kCVReturnSuccess
-                    }, UnsafeMutablePointer(unsafeAddress(of: self)))
+					}, Unmanaged.passUnretained(self).toOpaque())
             }
             else
             {
@@ -375,7 +387,7 @@ types are aliased to either their UI* implementation (on iOS) or their NS* imple
 
 	open class NSUIView: NSView
     {
-		open final override var isFlipped: Bool
+		open override var isFlipped: Bool
         {
 			return true
 		}
@@ -385,17 +397,17 @@ types are aliased to either their UI* implementation (on iOS) or their NS* imple
 			self.setNeedsDisplay(self.bounds)
 		}
 
-		open final override func touchesBegan(with event: NSEvent)
+		open override func touchesBegan(with event: NSEvent)
         {
 			self.nsuiTouchesBegan(event.touches(matching: .any, in: self), with: event)
 		}
 
-		open final override func touchesEnded(with event: NSEvent)
+		open override func touchesEnded(with event: NSEvent)
         {
 			self.nsuiTouchesEnded(event.touches(matching: .any, in: self), with: event)
 		}
 
-		open final override func touchesMoved(with event: NSEvent)
+		open override func touchesMoved(with event: NSEvent)
         {
 			self.nsuiTouchesMoved(event.touches(matching: .any, in: self), with: event)
 		}
@@ -503,9 +515,8 @@ types are aliased to either their UI* implementation (on iOS) or their NS* imple
 
 	func NSUIGraphicsPushContext(_ context: CGContext)
     {
-		let address = unsafeAddress(of: context)
-		let ptr: UnsafeMutablePointer<CGContext> = UnsafeMutablePointer(UnsafePointer<CGContext>(address))
-		let cx = NSGraphicsContext(graphicsPort: ptr, flipped: true)
+		let address = Unmanaged.passUnretained(context).toOpaque()
+		let cx = NSGraphicsContext(graphicsPort: address, flipped: true)
 		NSGraphicsContext.saveGraphicsState()
 		NSGraphicsContext.setCurrent(cx)
 	}
@@ -550,8 +561,8 @@ types are aliased to either their UI* implementation (on iOS) or their NS* imple
 
 			let colorSpace = CGColorSpaceCreateDeviceRGB()
 			let ctx = CGContext(data: nil, width: width, height: height, bitsPerComponent: 8, bytesPerRow: 4*width, space: colorSpace, bitmapInfo: (opaque ?  CGImageAlphaInfo.noneSkipFirst.rawValue : CGImageAlphaInfo.premultipliedFirst.rawValue))
-			ctx?.concatCTM(CGAffineTransform(a: 1, b: 0, c: 0, d: -1, tx: 0, ty: CGFloat(height)))
-			ctx?.scale(x: scale, y: scale)
+			ctx?.concatenate(CGAffineTransform(a: 1, b: 0, c: 0, d: -1, tx: 0, ty: CGFloat(height)))
+			ctx?.scaleBy(x: scale, y: scale)
 			NSUIGraphicsPushContext(ctx!)
 		}
 	}
@@ -586,6 +597,13 @@ types are aliased to either their UI* implementation (on iOS) or their NS* imple
 		return NSUIScreen.main()
 	}
 
+	extension NSParagraphStyle {
+		// This, oddly, is different on iOS (default is a static function on OS X)
+		static var `default`: NSParagraphStyle {
+			return NSParagraphStyle.default()
+		}
+	}
+
 	extension NSString {
 		/** On OS X, only size(withAttributes:) exists. It is expected that OSX will catch up and also change to 
 		size(attributes:). For now, use this as proxy. */

Charts/Classes/Utils/ChartSelectionDetail.swift

@@ -77,30 +77,29 @@ open class ChartSelectionDetail: NSObject
 
     open override func isEqual(_ object: Any?) -> Bool
     {
-
-        let object = object as? AnyObject
-
-        if (object === nil)
+        if (object == nil)
         {
             return false
         }
+
+		let object = object as AnyObject
 
-        if (!object!.isKind(of: type(of: self)))
+        if (!object.isKind(of: type(of: self)))
         {
             return false
         }
 
-        if (object!.value != _value)
+        if (object.value != _value)
         {
             return false
         }
 
-        if (object!.dataSetIndex != _dataSetIndex)
+        if (object.dataSetIndex != _dataSetIndex)
         {
             return false
         }
 
-        if (object!.dataSet !== _dataSet)
+        if (object.dataSet !== _dataSet)
         {
             return false
         }