Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

462 lines
16 KiB
Objective-C

//
// LayoutExampleNodes.m
// Texture
//
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import "LayoutExampleNodes.h"
#import <AsyncDisplayKit/UIImage+ASConvenience.h>
#import "Utilities.h"
@interface HeaderWithRightAndLeftItems ()
@property (nonatomic, strong) ASTextNode *usernameNode;
@property (nonatomic, strong) ASTextNode *postLocationNode;
@property (nonatomic, strong) ASTextNode *postTimeNode;
@end
@interface PhotoWithInsetTextOverlay ()
@property (nonatomic, strong) ASNetworkImageNode *photoNode;
@property (nonatomic, strong) ASTextNode *titleNode;
@end
@interface PhotoWithOutsetIconOverlay ()
@property (nonatomic, strong) ASNetworkImageNode *photoNode;
@property (nonatomic, strong) ASNetworkImageNode *iconNode;
@end
@interface FlexibleSeparatorSurroundingContent ()
@property (nonatomic, strong) ASImageNode *topSeparator;
@property (nonatomic, strong) ASImageNode *bottomSeparator;
@property (nonatomic, strong) ASTextNode *textNode;
@end
@implementation HeaderWithRightAndLeftItems
+ (NSString *)title
{
return @"Header with left and right justified text";
}
+ (NSString *)descriptionTitle
{
return @"try rotating me!";
}
- (instancetype)init
{
self = [super init];
if (self) {
_usernameNode = [[ASTextNode alloc] init];
_usernameNode.attributedText = [NSAttributedString attributedStringWithString:@"hannahmbanana"
fontSize:20
color:[UIColor darkBlueColor]];
_usernameNode.maximumNumberOfLines = 1;
_usernameNode.truncationMode = NSLineBreakByTruncatingTail;
_postLocationNode = [[ASTextNode alloc] init];
_postLocationNode.maximumNumberOfLines = 1;
_postLocationNode.attributedText = [NSAttributedString attributedStringWithString:@"Sunset Beach, San Fransisco, CA"
fontSize:20
color:[UIColor lightBlueColor]];
_postLocationNode.maximumNumberOfLines = 1;
_postLocationNode.truncationMode = NSLineBreakByTruncatingTail;
_postTimeNode = [[ASTextNode alloc] init];
_postTimeNode.attributedText = [NSAttributedString attributedStringWithString:@"30m"
fontSize:20
color:[UIColor lightGrayColor]];
_postLocationNode.maximumNumberOfLines = 1;
_postLocationNode.truncationMode = NSLineBreakByTruncatingTail;
}
return self;
}
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
{
ASStackLayoutSpec *nameLocationStack = [ASStackLayoutSpec verticalStackLayoutSpec];
nameLocationStack.style.flexShrink = 1.0;
nameLocationStack.style.flexGrow = 1.0;
if (_postLocationNode.attributedText) {
nameLocationStack.children = @[_usernameNode, _postLocationNode];
} else {
nameLocationStack.children = @[_usernameNode];
}
ASStackLayoutSpec *headerStackSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal
spacing:40
justifyContent:ASStackLayoutJustifyContentStart
alignItems:ASStackLayoutAlignItemsCenter
children:@[nameLocationStack, _postTimeNode]];
return [ASInsetLayoutSpec insetLayoutSpecWithInsets:UIEdgeInsetsMake(0, 10, 0, 10) child:headerStackSpec];
}
@end
@implementation PhotoWithInsetTextOverlay
+ (NSString *)title
{
return @"Photo with inset text overlay";
}
+ (NSString *)descriptionTitle
{
return @"try rotating me!";
}
- (instancetype)init
{
self = [super init];
if (self) {
self.backgroundColor = [UIColor clearColor];
_photoNode = [[ASNetworkImageNode alloc] init];
_photoNode.URL = [NSURL URLWithString:@"http://texturegroup.org/static/images/layout-examples-photo-with-inset-text-overlay-photo.png"];
_photoNode.willDisplayNodeContentWithRenderingContext = ^(CGContextRef context, id drawParameters) {
CGRect bounds = CGContextGetClipBoundingBox(context);
[[UIBezierPath bezierPathWithRoundedRect:bounds cornerRadius:10] addClip];
};
_titleNode = [[ASTextNode alloc] init];
_titleNode.maximumNumberOfLines = 2;
_titleNode.truncationMode = NSLineBreakByTruncatingTail;
_titleNode.truncationAttributedText = [NSAttributedString attributedStringWithString:@"..." fontSize:16 color:[UIColor whiteColor]];
_titleNode.attributedText = [NSAttributedString attributedStringWithString:@"family fall hikes" fontSize:16 color:[UIColor whiteColor]];
}
return self;
}
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
{
CGFloat photoDimension = constrainedSize.max.width / 4.0;
_photoNode.style.preferredSize = CGSizeMake(photoDimension, photoDimension);
// INFINITY is used to make the inset unbounded
UIEdgeInsets insets = UIEdgeInsetsMake(INFINITY, 12, 12, 12);
ASInsetLayoutSpec *textInsetSpec = [ASInsetLayoutSpec insetLayoutSpecWithInsets:insets child:_titleNode];
return [ASOverlayLayoutSpec overlayLayoutSpecWithChild:_photoNode overlay:textInsetSpec];;
}
@end
@implementation PhotoWithOutsetIconOverlay
+ (NSString *)title
{
return @"Photo with outset icon overlay";
}
- (instancetype)init
{
self = [super init];
if (self) {
_photoNode = [[ASNetworkImageNode alloc] init];
_photoNode.URL = [NSURL URLWithString:@"http://texturegroup.org/static/images/layout-examples-photo-with-outset-icon-overlay-photo.png"];
_iconNode = [[ASNetworkImageNode alloc] init];
_iconNode.URL = [NSURL URLWithString:@"http://texturegroup.org/static/images/layout-examples-photo-with-outset-icon-overlay-icon.png"];
[_iconNode setImageModificationBlock:^UIImage *(UIImage *image) { // FIXME: in framework autocomplete for setImageModificationBlock line seems broken
CGSize profileImageSize = CGSizeMake(60, 60);
return [image makeCircularImageWithSize:profileImageSize withBorderWidth:10];
}];
}
return self;
}
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
{
_iconNode.style.preferredSize = CGSizeMake(40, 40);
_iconNode.style.layoutPosition = CGPointMake(150, 0);
_photoNode.style.preferredSize = CGSizeMake(150, 150);
_photoNode.style.layoutPosition = CGPointMake(40 / 2.0, 40 / 2.0);
ASAbsoluteLayoutSpec *absoluteSpec = [ASAbsoluteLayoutSpec absoluteLayoutSpecWithChildren:@[_photoNode, _iconNode]];
// ASAbsoluteLayoutSpec's .sizing property recreates the behavior of ASDK Layout API 1.0's "ASStaticLayoutSpec"
absoluteSpec.sizing = ASAbsoluteLayoutSpecSizingSizeToFit;
return absoluteSpec;
}
@end
@implementation FlexibleSeparatorSurroundingContent
+ (NSString *)title
{
return @"Top and bottom cell separator lines";
}
+ (NSString *)descriptionTitle
{
return @"try rotating me!";
}
- (instancetype)init
{
self = [super init];
if (self) {
self.backgroundColor = [UIColor whiteColor];
_topSeparator = [[ASImageNode alloc] init];
_topSeparator.image = [UIImage as_resizableRoundedImageWithCornerRadius:1.0 cornerColor:[UIColor blackColor] fillColor:[UIColor blackColor]];
_textNode = [[ASTextNode alloc] init];
_textNode.attributedText = [NSAttributedString attributedStringWithString:@"this is a long text node"
fontSize:16
color:[UIColor blackColor]];
_bottomSeparator = [[ASImageNode alloc] init];
_bottomSeparator.image = [UIImage as_resizableRoundedImageWithCornerRadius:1.0 cornerColor:[UIColor blackColor] fillColor:[UIColor blackColor]];
}
return self;
}
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
{
_topSeparator.style.flexGrow = 1.0;
_bottomSeparator.style.flexGrow = 1.0;
_textNode.style.alignSelf = ASStackLayoutAlignSelfCenter;
ASStackLayoutSpec *verticalStackSpec = [ASStackLayoutSpec verticalStackLayoutSpec];
verticalStackSpec.spacing = 20;
verticalStackSpec.justifyContent = ASStackLayoutJustifyContentCenter;
verticalStackSpec.children = @[_topSeparator, _textNode, _bottomSeparator];
return [ASInsetLayoutSpec insetLayoutSpecWithInsets:UIEdgeInsetsMake(60, 0, 60, 0) child:verticalStackSpec];
}
@end
@interface CornerLayoutExample ()
@property (nonatomic, strong) ASImageNode *dotNode;
@property (nonatomic, strong) ASImageNode *photoNode1;
@property (nonatomic, strong) ASTextNode *badgeTextNode;
@property (nonatomic, strong) ASImageNode *badgeImageNode;
@property (nonatomic, strong) ASImageNode *photoNode2;
@end
@implementation CornerLayoutExample
static CGFloat const kSampleAvatarSize = 100;
static CGFloat const kSampleIconSize = 26;
static CGFloat const kSampleBadgeCornerRadius = 12;
+ (NSString *)title
{
return @"Declarative way for Corner image Layout";
}
+ (NSString *)descriptionTitle
{
return nil;
}
- (instancetype)init
{
self = [super init];
if (self) {
UIImage *avatarImage = [self avatarImageWithSize:CGSizeMake(kSampleAvatarSize, kSampleAvatarSize)];
UIImage *cornerImage = [self cornerImageWithSize:CGSizeMake(kSampleIconSize, kSampleIconSize)];
NSAttributedString *numberText = [NSAttributedString attributedStringWithString:@" 999+ " fontSize:20 color:UIColor.whiteColor];
_dotNode = [ASImageNode new];
_dotNode.image = cornerImage;
_photoNode1 = [ASImageNode new];
_photoNode1.image = avatarImage;
_badgeTextNode = [ASTextNode new];
_badgeTextNode.attributedText = numberText;
_badgeImageNode = [ASImageNode new];
_badgeImageNode.image = [UIImage as_resizableRoundedImageWithCornerRadius:kSampleBadgeCornerRadius
cornerColor:UIColor.clearColor
fillColor:UIColor.redColor];
_photoNode2 = [ASImageNode new];
_photoNode2.image = avatarImage;
}
return self;
}
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
{
ASBackgroundLayoutSpec *badgeSpec = [ASBackgroundLayoutSpec backgroundLayoutSpecWithChild:_badgeTextNode
background:_badgeImageNode];
ASCornerLayoutSpec *cornerSpec1 = [ASCornerLayoutSpec cornerLayoutSpecWithChild:_photoNode1 corner:_dotNode location:ASCornerLayoutLocationTopRight];
cornerSpec1.offset = CGPointMake(-3, 3);
ASCornerLayoutSpec *cornerSpec2 = [ASCornerLayoutSpec cornerLayoutSpecWithChild:_photoNode2 corner:badgeSpec location:ASCornerLayoutLocationTopRight];
self.photoNode.style.preferredSize = CGSizeMake(kSampleAvatarSize, kSampleAvatarSize);
self.iconNode.style.preferredSize = CGSizeMake(kSampleIconSize, kSampleIconSize);
ASCornerLayoutSpec *cornerSpec3 = [ASCornerLayoutSpec cornerLayoutSpecWithChild:self.photoNode corner:self.iconNode location:ASCornerLayoutLocationTopRight];
ASStackLayoutSpec *stackSpec = [ASStackLayoutSpec verticalStackLayoutSpec];
stackSpec.spacing = 40;
stackSpec.children = @[cornerSpec1, cornerSpec2, cornerSpec3];
return stackSpec;
}
- (UIImage *)avatarImageWithSize:(CGSize)size
{
return [UIImage imageWithSize:size fillColor:UIColor.lightGrayColor shapeBlock:^UIBezierPath *{
CGRect rect = (CGRect){ CGPointZero, size };
return [UIBezierPath bezierPathWithRoundedRect:rect cornerRadius:MIN(size.width, size.height) / 20];
}];
}
- (UIImage *)cornerImageWithSize:(CGSize)size
{
return [UIImage imageWithSize:size fillColor:UIColor.redColor shapeBlock:^UIBezierPath *{
return [UIBezierPath bezierPathWithOvalInRect:(CGRect){ CGPointZero, size }];
}];
}
@end
@interface UserProfileSample ()
@property (nonatomic, strong) ASImageNode *badgeNode;
@property (nonatomic, strong) ASImageNode *avatarNode;
@property (nonatomic, strong) ASTextNode *usernameNode;
@property (nonatomic, strong) ASTextNode *subtitleNode;
@property (nonatomic, assign) CGFloat photoSizeValue;
@property (nonatomic, assign) CGFloat iconSizeValue;
@end
@implementation UserProfileSample
+ (NSString *)title
{
return @"Common user profile layout.";
}
+ (NSString *)descriptionTitle
{
return @"For corner image layout and text truncation.";
}
- (instancetype)init
{
self = [super init];
if (self) {
_photoSizeValue = 44;
_iconSizeValue = 15;
CGSize iconSize = CGSizeMake(_iconSizeValue, _iconSizeValue);
CGSize photoSize = CGSizeMake(_photoSizeValue, _photoSizeValue);
_badgeNode = [ASImageNode new];
_badgeNode.style.preferredSize = iconSize;
_badgeNode.image = [UIImage imageWithSize:iconSize fillColor:UIColor.redColor shapeBlock:^UIBezierPath *{
return [UIBezierPath bezierPathWithOvalInRect:(CGRect){ CGPointZero, iconSize }];
}];
_avatarNode = [ASImageNode new];
_avatarNode.style.preferredSize = photoSize;
_avatarNode.image = [UIImage imageWithSize:photoSize fillColor:UIColor.lightGrayColor shapeBlock:^UIBezierPath *{
return [UIBezierPath bezierPathWithOvalInRect:(CGRect){ CGPointZero, photoSize }];
}];
_usernameNode = [ASTextNode new];
_usernameNode.attributedText = [NSAttributedString attributedStringWithString:@"Hello World" fontSize:17 color:UIColor.blackColor];
_usernameNode.maximumNumberOfLines = 1;
_subtitleNode = [ASTextNode new];
_subtitleNode.attributedText = [NSAttributedString attributedStringWithString:@"This is a long long subtitle, with a long long appended string." fontSize:14 color:UIColor.lightGrayColor];
_subtitleNode.maximumNumberOfLines = 1;
}
return self;
}
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
{
// Apply avatar with badge
// Normally, avatar's box size is the only photo size and it will not include the badge size.
// Otherwise, use includeCornerForSizeCalculation property to increase the box's size if needed.
ASCornerLayoutSpec *avatarBox = [ASCornerLayoutSpec new];
avatarBox.child = _avatarNode;
avatarBox.corner = _badgeNode;
avatarBox.cornerLocation = ASCornerLayoutLocationBottomRight;
avatarBox.offset = CGPointMake(-6, -6);
ASStackLayoutSpec *textBox = [ASStackLayoutSpec verticalStackLayoutSpec];
textBox.justifyContent = ASStackLayoutJustifyContentSpaceAround;
textBox.children = @[_usernameNode, _subtitleNode];
ASStackLayoutSpec *profileBox = [ASStackLayoutSpec horizontalStackLayoutSpec];
profileBox.spacing = 10;
profileBox.children = @[avatarBox, textBox];
// Apply text truncation.
NSArray *elems = @[_usernameNode, _subtitleNode, textBox, profileBox];
for (id <ASLayoutElement> elem in elems) {
elem.style.flexShrink = 1;
}
ASInsetLayoutSpec *profileInsetBox = [ASInsetLayoutSpec new];
profileInsetBox.insets = UIEdgeInsetsMake(120, 20, INFINITY, 20);
profileInsetBox.child = profileBox;
return profileInsetBox;
}
@end
@implementation LayoutExampleNode
+ (NSString *)title
{
NSAssert(NO, @"All layout example nodes must provide a title!");
return nil;
}
+ (NSString *)descriptionTitle
{
return nil;
}
- (instancetype)init
{
self = [super init];
if (self) {
self.automaticallyManagesSubnodes = YES;
self.backgroundColor = [UIColor whiteColor];
}
return self;
}
@end