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* allow nil for setChild/children
* moved examples out of examples/
This commit is contained in:
ricky
2016-06-03 13:59:59 -07:00
parent 01dbc86778
commit 13a35c5f2f
27 changed files with 59 additions and 1237 deletions
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41
AsyncDisplayKit/Layout/ASLayoutSpec.mm
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@@ -44,7 +44,7 @@
}
_isMutable = YES;
_environmentState = ASEnvironmentStateMakeDefault();
_children = [NSArray array];
return self;
}
@@ -115,24 +115,35 @@
- (void)setChild:(id<ASLayoutable>)child
{
ASDisplayNodeAssert(self.isMutable, @"Cannot set properties when layout spec is not mutable");
ASDisplayNodeAssertNotNil(child, @"Child cannot be nil");
id<ASLayoutable> finalLayoutable = [self layoutableToAddFromLayoutable:child];
if (finalLayoutable) {
_children = @[finalLayoutable];
[self propagateUpLayoutable:finalLayoutable];
if (child) {
id<ASLayoutable> finalLayoutable = [self layoutableToAddFromLayoutable:child];
if (finalLayoutable) {
_children = @[finalLayoutable];
[self propagateUpLayoutable:finalLayoutable];
}
} else {
// remove the only child
_children = [NSArray array];
}
}
- (void)setChild:(id<ASLayoutable>)child forIdentifier:(NSString *)identifier
{
ASDisplayNodeAssert(self.isMutable, @"Cannot set properties when layout spec is not mutable");
ASDisplayNodeAssertNotNil(child, @"Child cannot be nil");
id<ASLayoutable> finalLayoutable = [self layoutableToAddFromLayoutable:child];
self.childrenWithIdentifier[identifier] = finalLayoutable;
if (finalLayoutable) {
self.children = [self.children arrayByAddingObject:finalLayoutable];
if (child) {
id<ASLayoutable> finalLayoutable = [self layoutableToAddFromLayoutable:child];
self.childrenWithIdentifier[identifier] = finalLayoutable;
if (finalLayoutable) {
_children = [_children arrayByAddingObject:finalLayoutable];
}
} else {
id<ASLayoutable> oldChild = self.childrenWithIdentifier[identifier];
if (oldChild) {
self.childrenWithIdentifier[identifier] = nil;
NSMutableArray *mutableChildren = [_children mutableCopy];
[mutableChildren removeObject:oldChild];
_children = [mutableChildren copy];
}
}
// TODO: Should we propagate up the layoutable at it could happen that multiple children will propagated up their
@@ -152,6 +163,8 @@
_children = nil;
if (finalChildren.size() > 0) {
_children = [NSArray arrayWithObjects:&finalChildren[0] count:finalChildren.size()];
} else {
_children = [NSArray array];
}
}
@@ -167,7 +180,7 @@
- (NSArray *)children
{
return [_children copy];
return _children;
}
- (void)setTraitCollection:(ASTraitCollection *)traitCollection