[ASEnvironment - Layout] Fixes to upward propagation of ASLayoutable properties.

examples/SocialAppLayout/Sample/AppDelegate.h

@@ -15,6 +15,4 @@
 
 @property (strong, nonatomic) UIWindow *window;
 
-
 @end
-

examples/SocialAppLayout/Sample/AppDelegate.m

@@ -10,23 +10,17 @@
  */
 
 #import "AppDelegate.h"
-
 #import "ViewController.h"
 
-@interface AppDelegate ()
-
-@end
-
 @implementation AppDelegate
 
-
-- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
     self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
     self.window.backgroundColor = [UIColor whiteColor];
     self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[[ViewController alloc] init]];
     [self.window makeKeyAndVisible];
     return YES;
-
 }
 
 @end

examples/SocialAppLayout/Sample/CommentsNode.m

@@ -20,8 +20,8 @@
 
 @implementation CommentsNode
 
-- (instancetype)initWithCommentsCount:(NSInteger)comentsCount {
-    
+- (instancetype)initWithCommentsCount:(NSInteger)comentsCount
+{
     self = [super init];
     if (self) {
         _commentsCount = comentsCount;
@@ -44,8 +44,8 @@
     
 }
 
-- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize {
-    
+- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
+{
     ASStackLayoutSpec *mainStack =  [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal spacing:6.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsCenter children:@[self.iconNode, self.countNode]];
     
     // set sizeRange to make width fixed to 60
@@ -55,5 +55,4 @@
     return [ASStaticLayoutSpec staticLayoutSpecWithChildren:@[mainStack]];
 }
 
-
 @end

examples/SocialAppLayout/Sample/LikesNode.m

@@ -21,8 +21,8 @@
 
 @implementation LikesNode
 
-- (instancetype)initWithLikesCount:(NSInteger)likesCount {
-    
+- (instancetype)initWithLikesCount:(NSInteger)likesCount
+{
     self = [super init];
     if (self) {
         _likesCount = likesCount;
@@ -49,7 +49,7 @@
     
 }
 
-+ (BOOL) getYesOrNo
++ (BOOL)getYesOrNo
 {
     int tmp = (arc4random() % 30)+1;
     if (tmp % 5 == 0) {
@@ -58,8 +58,8 @@
     return NO;
 }
 
-- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize {
-    
+- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
+{
     ASStackLayoutSpec *mainStack = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal spacing:6.0 justifyContent:ASStackLayoutJustifyContentStart alignItems:ASStackLayoutAlignItemsCenter children:@[_iconNode, _countNode]];
     
     // set sizeRange to make width fixed to 60
@@ -67,7 +67,6 @@
     ASRelativeSize max = ASRelativeSizeMake(ASRelativeDimensionMakeWithPoints(60.0), ASRelativeDimensionMakeWithPoints(40.0));
     mainStack.sizeRange = ASRelativeSizeRangeMake(min, max);
     return [ASStaticLayoutSpec staticLayoutSpecWithChildren:@[mainStack]];
-    
 }
 
 @end

examples/SocialAppLayout/Sample/Post.m

@@ -12,5 +12,4 @@
 #import "Post.h"
 
 @implementation Post
-
 @end

examples/SocialAppLayout/Sample/PostNode.m

@@ -34,8 +34,8 @@
 
 @implementation PostNode
 
-- (instancetype)initWithPost:(Post *)post {
-    
+- (instancetype)initWithPost:(Post *)post
+{
     self = [super init];
     if (self) {
         _post = post;
@@ -181,14 +181,19 @@
     [super didLoad];
 }
 
-- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize {
-    
+- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
+{
     // Flexible spacer between username and time
     ASLayoutSpec *spacer = [[ASLayoutSpec alloc] init];
     spacer.flexGrow = YES;
-    
+  
+    // NOTE: This inset is not actually required by the layout, but is an example of the upward propogation of layoutable
+    // properties.  Specifically, .flexGrow from the child is transferred to the inset spec so they can expand together.
+    // Without this capability, it would be required to set insetSpacer.flexGrow = YES;
+    ASInsetLayoutSpec *insetSpacer = [ASInsetLayoutSpec insetLayoutSpecWithInsets:UIEdgeInsetsMake(0, 0, 0, 0) child:spacer];
+  
     // Horizontal stack for name, username, via icon and time
-    NSMutableArray *layoutSpecChildren = [@[_nameNode, _usernameNode, spacer] mutableCopy];
+    NSMutableArray *layoutSpecChildren = [@[_nameNode, _usernameNode, insetSpacer] mutableCopy];
     if (_post.via != 0) {
         [layoutSpecChildren addObject:_viaNode];
     }

examples/SocialAppLayout/Sample/TextStyles.m

@@ -54,16 +54,16 @@
     };
 }
 
-+ (NSDictionary *)cellControlStyle {
-    
++ (NSDictionary *)cellControlStyle
+{
     return @{
         NSFontAttributeName : [UIFont systemFontOfSize:13.0],
         NSForegroundColorAttributeName: [UIColor lightGrayColor]
     };
 }
 
-+ (NSDictionary *)cellControlColoredStyle {
-    
++ (NSDictionary *)cellControlColoredStyle
+{
     return @{
         NSFontAttributeName : [UIFont systemFontOfSize:13.0],
         NSForegroundColorAttributeName: [UIColor colorWithRed:59.0/255.0 green:89.0/255.0 blue:152.0/255.0 alpha:1.0]

examples/SocialAppLayout/Sample/ViewController.h

@@ -12,7 +12,4 @@
 #import <UIKit/UIKit.h>
 
 @interface ViewController : UIViewController
-
-
 @end
-

examples/SocialAppLayout/Sample/ViewController.m

@@ -45,8 +45,8 @@
     _tableView.asyncDelegate = nil;
 }
 
-- (void)viewDidLoad {
-    
+- (void)viewDidLoad
+{
     [super viewDidLoad];
     
     self.tableView = [[ASTableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain asyncDataFetching:YES];
@@ -57,8 +57,8 @@
     [self.view addSubview:self.tableView];
 }
 
-- (void)createSocialAppDataSource {
-    
+- (void)createSocialAppDataSource
+{
     _socialAppDataSource = [[NSMutableArray alloc] init];
     
     Post *newPost = [[Post alloc] init];