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Implement sizeToFit:

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This commit is contained in:
Michael Schneider
2016-11-11 18:14:54 -08:00
parent f81c7a05b6
commit c819d716b4
3 changed files with 46 additions and 3 deletions
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18
examples/ASViewController/Sample/DetailViewController.m
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@@ -74,7 +74,6 @@
// Initial size of sizing node
//self.sizingNode.frame = CGRectMake(100, 100, 50, 50);
self.buttonNode.frame = CGRectMake(100, 100, 200, 10);
[self displayNodeDidInvalidateSize:self.buttonNode];
// Initial size for image node
@@ -95,19 +94,32 @@
{
[super viewDidLayoutSubviews];
[self updateButtonNodeLayout];
// Update the sizing node layout
[self updateNodeLayout];
}
#pragma mark - Update the node based on the new size
- (void)updateButtonNodeLayout
{
[self.buttonNode sizeToFit];
self.buttonNode.frame = CGRectMake((self.view.bounds.size.width - self.buttonNode.bounds.size.width) / 2.0,
100,
self.buttonNode.bounds.size.width,
self.buttonNode.bounds.size.height);
//CGSize s = [self.buttonNode sizeThatFits:CGSizeMake(CGFLOAT_MAX, CGFLOAT_MAX)];
//self.buttonNode.frame = CGRectMake(100, 100, s.width, s.height);
}
// The sizing delegate will get callbacks if the size did invalidate of the display node. It's the job of the delegate
// to get the new size from the display node and update the frame based on the returned size
- (void)displayNodeDidInvalidateSize:(ASDisplayNode *)displayNode
{
if (displayNode == self.buttonNode) {
CGSize s = [self.buttonNode sizeThatFits:CGSizeMake(CGFLOAT_MAX, CGFLOAT_MAX)];
self.buttonNode.frame = CGRectMake(100, 100, s.width, s.height);
[self updateButtonNodeLayout];
return;
}