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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
39 lines
1.3 KiB
Swift
39 lines
1.3 KiB
Swift
//
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// LayoutExampleViewController.swift
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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import AsyncDisplayKit
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class LayoutExampleViewController: ASViewController<ASDisplayNode> {
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let customNode: LayoutExampleNode
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init(layoutExampleType: LayoutExampleNode.Type) {
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customNode = layoutExampleType.init()
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super.init(node: ASDisplayNode())
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self.title = "Layout Example"
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self.node.addSubnode(customNode)
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let needsOnlyYCentering = (layoutExampleType.isEqual(HeaderWithRightAndLeftItems.self) || layoutExampleType.isEqual(FlexibleSeparatorSurroundingContent.self))
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self.node.backgroundColor = needsOnlyYCentering ? .lightGray : .white
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self.node.layoutSpecBlock = { [weak self] node, constrainedSize in
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guard let customNode = self?.customNode else { return ASLayoutSpec() }
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return ASCenterLayoutSpec(centeringOptions: needsOnlyYCentering ? .Y : .XY,
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sizingOptions: .minimumXY,
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child: customNode)
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}
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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