update for Swift 1.2, Xcode 6.3

Author: mattneub

bk2ch10p495TableWithDynamicType/TableWithDynamicType/MasterViewController.swift

@@ -32,8 +32,8 @@ class MasterViewController: UITableViewController {
     override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
         if segue.identifier == "showDetail" {
             let indexPath = self.tableView.indexPathForSelectedRow()!
-            let object = objects[indexPath.row] as NSDate
-            (segue.destinationViewController as DetailViewController).detailItem = object
+            let object = objects[indexPath.row] as! NSDate
+            (segue.destinationViewController as! DetailViewController).detailItem = object
         }
     }
 
@@ -58,9 +58,9 @@ class MasterViewController: UITableViewController {
     */
 
     override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
-        let cell = tableView.dequeueReusableCellWithIdentifier("Cell", forIndexPath: indexPath) as UITableViewCell
+        let cell = tableView.dequeueReusableCellWithIdentifier("Cell", forIndexPath: indexPath) as! UITableViewCell
 
-        let object = objects[indexPath.row] as NSDate
+        let object = objects[indexPath.row] as! NSDate
         cell.textLabel!.text = object.description
         return cell
     }

bk2ch10p495dynamicType/ch23p670font1dynamicType/ViewController.swift

@@ -16,12 +16,12 @@ class ViewController : UIViewController {
         NSNotificationCenter.defaultCenter().addObserver(self, selector: "doDynamicType:", name: UIContentSizeCategoryDidChangeNotification, object: nil)
 
 //        UIFont.familyNames()
-//            .map{UIFont.fontNamesForFamilyName($0 as String)}.map(println)
+//            .map{UIFont.fontNamesForFamilyName($0 as! String)}.map(println)
 
     }
 
     func doDynamicType(n:NSNotification) {
-        let style = self.lab.font.fontDescriptor().objectForKey(UIFontDescriptorTextStyleAttribute) as String
+        let style = self.lab.font.fontDescriptor().objectForKey(UIFontDescriptorTextStyleAttribute) as! String
         self.lab.font = UIFont.preferredFontForTextStyle(style)
     }
 

bk2ch10p498fontDescriptor/ch23p670font1dynamicType/ViewController.swift

@@ -15,31 +15,38 @@ class ViewController : UIViewController {
     func doDynamicType(n:NSNotification!) {
         var fbody : UIFont!
         var femphasis : UIFont!
-        let which = 3
+        let which = 1
         switch which {
         case 1:
             let body = UIFontDescriptor.preferredFontDescriptorWithTextStyle(UIFontTextStyleBody)
-            let emphasis = body.fontDescriptorWithSymbolicTraits(.TraitItalic)
-            fbody = UIFont(descriptor: body, size: 0)
-            femphasis = UIFont(descriptor: emphasis, size: 0)
+            if let emphasis = body.fontDescriptorWithSymbolicTraits(.TraitItalic) {
+                fbody = UIFont(descriptor: body, size: 0)
+                femphasis = UIFont(descriptor: emphasis, size: 0)
+            }
         case 2:
-            // this should work but doesn't (bug?)
-            fbody = UIFont(name: "GillSans", size: 15)
-            let emphasis = fbody.fontDescriptor().fontDescriptorWithSymbolicTraits(.TraitItalic)
-            femphasis = UIFont(descriptor: emphasis, size: 0)
+            // this should work but doesn't (bug?), and we crash later
+            // whoa, in iOS 8.3 it works!
+            if let body = UIFont(name: "GillSans", size: 15),
+                emphasis = body.fontDescriptor().fontDescriptorWithSymbolicTraits(.TraitItalic) {
+                    fbody = body
+                    femphasis = UIFont(descriptor: emphasis, size: 0)
+            }
         case 3:
             // the workaround is drop down to Core Text
             // unfortunately Swift seems unaware that CTFont and UIFont are now bridged
-            fbody = UIFont(name: "GillSans", size: 15)
-            let result = CTFontCreateCopyWithSymbolicTraits(fbody as AnyObject as CTFont, 0, nil, .ItalicTrait, .ItalicTrait)
-            femphasis = result as AnyObject as UIFont
+            // whoa, in Swift 1.2 it has heard about this!
+            if let body = UIFont(name: "GillSans", size: 15),
+                result = CTFontCreateCopyWithSymbolicTraits(body as CTFont, 0, nil, .ItalicTrait, .ItalicTrait) {
+                    fbody = body
+                    femphasis = result as UIFont
+            }
         default:break
         }
 
-        let s = self.lab.text! as NSString
+        let s = self.lab.text!
         let mas = NSMutableAttributedString(string: s, attributes: [NSFontAttributeName:fbody])
-        mas.addAttribute(NSFontAttributeName, value: femphasis, range: s.rangeOfString("wild"))
+        mas.addAttribute(NSFontAttributeName, value: femphasis, range: (s as NSString).rangeOfString("wild"))
         self.lab.attributedText = mas
     }
-
+    
 }

bk2ch10p499fontDescriptor2/ch23p670font1dynamicType/ViewController.swift

@@ -1,6 +1,6 @@
 
 import UIKit
-import CoreText
+// import CoreText // no longer necessary to import core text
 
 class ViewController : UIViewController {
 

bk2ch10p503attributedString/ch23p771attributedStringInLabel/ViewController.swift

@@ -26,7 +26,7 @@ class ViewController : UIViewController {
         var content : NSMutableAttributedString!
         var content2 : NSMutableAttributedString!
 
-        let which = 5 // 0 ... 5
+        let which = 0 // 0 ... 5
         switch which {
         case 0, 1, 4, 5:
             let s1 = "The Gettysburg Address, as delivered on a certain occasion " +
@@ -70,14 +70,15 @@ class ViewController : UIViewController {
                 NSFontAttributeName: UIFont(name:"HoeflerText-Black", size:24)!,
                 NSExpansionAttributeName: 0.3,
                 NSKernAttributeName: -4 // negative kerning bug fixed in iOS 8
+                // but they broke it again in iOS 8.3!
             ], range:NSMakeRange(0,1))
             self.lab.attributedText = content2
             self.tv.attributedText = content2
             self.tv.contentInset = UIEdgeInsetsMake(20,0,0,0)
             if which > 2 {fallthrough}
         case 3, 4, 5:
             content2.addAttribute(NSParagraphStyleAttributeName,
-                value:lend(){
+                value:lend {
                     (para:NSMutableParagraphStyle) in
                     para.headIndent = 10
                     para.firstLineHeadIndent = 10
@@ -106,9 +107,9 @@ class ViewController : UIViewController {
                 inRange:NSMakeRange(0,content.length),
                 options:opts,
                 usingBlock: {
-                    (value:AnyObject!, range:NSRange, stop:UnsafeMutablePointer<ObjCBool>) -> Void in
+                    value, range, stop in
                     println(range)
-                    let font = value as UIFont
+                    let font = value as! UIFont
                     if font.pointSize == 15 {
                         content.addAttribute(NSFontAttributeName,
                             value:UIFont(name: "Arial-BoldMT", size:20)!,

bk2ch10p507tabStops/TextTabTest/ViewController.swift

@@ -18,7 +18,7 @@ class ViewController : UIViewController {
         let s = "Onions\t$2.34\nPeppers\t$15.2\n"
         let mas = NSMutableAttributedString(string:s, attributes:[
             NSFontAttributeName:UIFont(name:"GillSans", size:15)!,
-            NSParagraphStyleAttributeName:lend() {
+            NSParagraphStyleAttributeName:lend {
                 (p:NSMutableParagraphStyle) in
                 var tabs = [NSTextTab]()
                 let terms = NSTextTab.columnTerminatorsForLocale(NSLocale.currentLocale())
@@ -78,10 +78,10 @@ class ViewController : UIViewController {
         let src = CGImageSourceCreateWithURL(url, nil)
         let scale = UIScreen.mainScreen().scale
         let w : CGFloat = 20 * scale
-        let d : [String:AnyObject] = [
-            kCGImageSourceShouldAllowFloat : kCFBooleanTrue,
-            kCGImageSourceCreateThumbnailWithTransform: kCFBooleanTrue,
-            kCGImageSourceCreateThumbnailFromImageAlways: kCFBooleanTrue,
+        let d : [NSObject:AnyObject] = [
+            kCGImageSourceShouldAllowFloat : true,
+            kCGImageSourceCreateThumbnailWithTransform: true,
+            kCGImageSourceCreateThumbnailFromImageAlways: true,
             kCGImageSourceThumbnailMaxPixelSize: Int(w)
         ]
         let imref =

bk2ch10p508AttributedTextAsSecretMarking/AttributedTextAsSecretMarking/ViewController.swift

@@ -6,19 +6,17 @@ class ViewController: UIViewController {
     @IBOutlet var lab : UILabel!
 
     @IBAction func doUpdateLabel(sender:AnyObject?) {
-        let mas = self.lab.attributedText.mutableCopy() as NSMutableAttributedString
+        let mas = self.lab.attributedText.mutableCopy() as! NSMutableAttributedString
         let r = (mas.string as NSString).rangeOfString("^0")
         if r.length > 0 {
             mas.addAttribute("HERE", value: 1, range: r)
             mas.replaceCharactersInRange(r, withString: NSDate().description)
         } else {
             mas.enumerateAttribute("HERE", inRange: NSMakeRange(0, mas.length), options: nil) {
                 value, r, stop in
-                if let value = value as? Int {
-                    if value == 1 {
-                        mas.replaceCharactersInRange(r, withString: NSDate().description)
-                        stop.memory = true
-                    }
+                if let value = value as? Int where value == 1 {
+                    mas.replaceCharactersInRange(r, withString: NSDate().description)
+                    stop.memory = true
                 }
             }
         }

bk2ch10p509attributedStringDrawing/ch23p773attributedStringDrawing/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -14,6 +14,11 @@
       "idiom" : "iphone",
       "size" : "60x60",
       "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "3x"
     }
   ],
   "info" : {

bk2ch10p509attributedStringDrawing/ch23p773attributedStringDrawing/StringDrawer.swift

@@ -4,19 +4,14 @@ import UIKit
 
 class StringDrawer : UIView {
     @NSCopying var attributedText : NSAttributedString! {
-    didSet {
-        self.setNeedsDisplay()
-    }
+        didSet {
+            self.setNeedsDisplay()
+        }
     }
 
     override func drawRect(rect: CGRect) {
         let r = rect.rectByOffsetting(dx: 0, dy: 2)
-        // unfortunately there's a huge bug in Swift:
-        // we can't "or" NSStringDrawingOptions values together
-        // I've resorted to the assistance of Objective-C
-        // let opts = NSString.combine(.TruncatesLastVisibleLine, with:.UsesLineFragmentOrigin)
-        // let opts = NSStringDrawingOptions.UsesLineFragmentOrigin
-        
+        // bug trying to "or" NSStringDrawingOptions values together...
         // fixed in Swift 1.2 / Xcode 6.3!
         let opts : NSStringDrawingOptions = .TruncatesLastVisibleLine | .UsesLineFragmentOrigin
 

bk2ch10p510attributedStringDrawing2/ch23p773attributedStringDrawing/StringDrawer.h

@@ -4,9 +4,9 @@ import UIKit
 
 class StringDrawer : UIView {
     @NSCopying var attributedText : NSAttributedString! {
-    didSet {
-        self.setNeedsDisplay()
-    }
+        didSet {
+            self.setNeedsDisplay()
+        }
     }
 
     override func drawRect(rect: CGRect) {
@@ -15,13 +15,7 @@ class StringDrawer : UIView {
         switch which {
         case 1:
             let r = rect.rectByOffsetting(dx: 0, dy: 2)
-            // unfortunately there's a huge bug in Swift:
-            // we can't "or" NSStringDrawingOptions values together
-            // you can say this:
-            // let options : NSStringDrawingOptions = NSStringDrawingOptions(rawValue: NSStringDrawingOptions.TruncatesLastVisibleLine.rawValue | NSStringDrawingOptions.UsesLineFragmentOrigin.rawValue)!
-            // but it crashes at runtime as being nil
-            // I've resorted to the assistance of Objective-C
-            let options = NSString.combine(.TruncatesLastVisibleLine, with:.UsesLineFragmentOrigin)
+            let options : NSStringDrawingOptions = .TruncatesLastVisibleLine | .UsesLineFragmentOrigin
             self.attributedText.drawWithRect(r, options: options, context: nil)
         case 2:
             let lm = NSLayoutManager()

bk2ch10p510attributedStringDrawing2/ch23p773attributedStringDrawing/StringDrawer.m

@@ -2,4 +2,3 @@
 //  Use this file to import your target's public headers that you would like to expose to Swift.
 //
 
-#import "StringDrawer.h"

bk2ch10p510attributedStringDrawing2/ch23p773attributedStringDrawing/StringDrawer.swift

@@ -17,7 +17,6 @@
 		C9A50D79180F835200F5B6CE /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = C9A50D78180F835200F5B6CE /* AppDelegate.m */; };
 		C9A50D7C180F835200F5B6CE /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = C9A50D7A180F835200F5B6CE /* Main.storyboard */; };
 		C9A50D81180F835300F5B6CE /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = C9A50D80180F835300F5B6CE /* Images.xcassets */; };
-		C9A50D9F1810085000F5B6CE /* StringDrawer.m in Sources */ = {isa = PBXBuildFile; fileRef = C9A50D9E1810085000F5B6CE /* StringDrawer.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -37,8 +36,6 @@
 		C9A50D7B180F835200F5B6CE /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		C9A50D80180F835300F5B6CE /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Images.xcassets; sourceTree = "<group>"; };
 		C9A50D87180F835300F5B6CE /* XCTest.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = XCTest.framework; path = Library/Frameworks/XCTest.framework; sourceTree = DEVELOPER_DIR; };
-		C9A50D9D1810085000F5B6CE /* StringDrawer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = StringDrawer.h; sourceTree = "<group>"; };
-		C9A50D9E1810085000F5B6CE /* StringDrawer.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = StringDrawer.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -90,8 +87,6 @@
 				C9A50D78180F835200F5B6CE /* AppDelegate.m */,
 				C9A50D7A180F835200F5B6CE /* Main.storyboard */,
 				32C95B71198BC18100708AC3 /* ViewController.swift */,
-				C9A50D9D1810085000F5B6CE /* StringDrawer.h */,
-				C9A50D9E1810085000F5B6CE /* StringDrawer.m */,
 				32C95B73198BC1E700708AC3 /* StringDrawer.swift */,
 				C9A50D80180F835300F5B6CE /* Images.xcassets */,
 				C9A50D6F180F835200F5B6CE /* Supporting Files */,
@@ -177,7 +172,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				C9A50D9F1810085000F5B6CE /* StringDrawer.m in Sources */,
 				32C95B74198BC1E700708AC3 /* StringDrawer.swift in Sources */,
 				C9A50D79180F835200F5B6CE /* AppDelegate.m in Sources */,
 				32C95B72198BC18100708AC3 /* ViewController.swift in Sources */,

bk2ch10p510attributedStringDrawing2/ch23p773attributedStringDrawing/ch23p815attributedStringDrawing2-Bridging-Header.h

@@ -61,11 +61,11 @@ class ViewController : UIViewController {
 
         let mas = NSMutableAttributedString(string:s, attributes:[
             NSFontAttributeName:f,
-            NSParagraphStyleAttributeName:lend({
+            NSParagraphStyleAttributeName: lend {
                 (para : NSMutableParagraphStyle) in
                 para.alignment = align
                 para.lineBreakMode = brk
-            })
+            }
         ])
         mas.addAttribute(NSForegroundColorAttributeName,
             value:UIColor.blueColor(),