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This commit is contained in:
Isaac
2024-11-26 10:08:16 +04:00
parent c954a55d2b
commit c9fd9f2a16
12 changed files with 1186 additions and 181 deletions
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72
submodules/ComponentFlow/Source/Components/HStack.swift
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@@ -1,15 +1,22 @@
import Foundation
import UIKit
public enum HStackAlignment {
case left
case alternatingLeftRight
}
public final class HStack<ChildEnvironment: Equatable>: CombinedComponent {
public typealias EnvironmentType = ChildEnvironment
private let items: [AnyComponentWithIdentity<ChildEnvironment>]
private let spacing: CGFloat
private let alignment: HStackAlignment
public init(_ items: [AnyComponentWithIdentity<ChildEnvironment>], spacing: CGFloat) {
public init(_ items: [AnyComponentWithIdentity<ChildEnvironment>], spacing: CGFloat, alignment: HStackAlignment = .left) {
self.items = items
self.spacing = spacing
self.alignment = alignment
}
public static func ==(lhs: HStack<ChildEnvironment>, rhs: HStack<ChildEnvironment>) -> Bool {
@@ -19,6 +26,9 @@ public final class HStack<ChildEnvironment: Equatable>: CombinedComponent {
if lhs.spacing != rhs.spacing {
return false
}
if lhs.alignment != rhs.alignment {
return false
}
return true
}
@@ -42,21 +52,51 @@ public final class HStack<ChildEnvironment: Equatable>: CombinedComponent {
}
var size = CGSize(width: 0.0, height: 0.0)
for child in updatedChildren {
size.width += child.size.width
size.height = max(size.height, child.size.height)
}
size.width += context.component.spacing * CGFloat(updatedChildren.count - 1)
var nextX = 0.0
for child in updatedChildren {
context.add(child
.position(child.size.centered(in: CGRect(origin: CGPoint(x: nextX, y: floor((size.height - child.size.height) * 0.5)), size: child.size)).center)
.appear(.default(scale: true, alpha: true))
.disappear(.default(scale: true, alpha: true))
)
nextX += child.size.width
nextX += context.component.spacing
switch context.component.alignment {
case .left:
for child in updatedChildren {
size.width += child.size.width
size.height = max(size.height, child.size.height)
}
size.width += context.component.spacing * CGFloat(updatedChildren.count - 1)
var nextX = 0.0
for child in updatedChildren {
context.add(child
.position(child.size.centered(in: CGRect(origin: CGPoint(x: nextX, y: floor((size.height - child.size.height) * 0.5)), size: child.size)).center)
.appear(.default(scale: true, alpha: true))
.disappear(.default(scale: true, alpha: true))
)
nextX += child.size.width
nextX += context.component.spacing
}
case .alternatingLeftRight:
size.width = context.availableSize.width
for child in updatedChildren {
size.height = max(size.height, child.size.height)
}
var nextLeftX = 0.0
var nextRightX = size.width
for i in 0 ..< updatedChildren.count {
let child = updatedChildren[i]
let childFrame: CGRect
if i % 2 == 0 {
childFrame = CGRect(origin: CGPoint(x: nextLeftX, y: floor((size.height - child.size.height) * 0.5)), size: child.size)
nextLeftX += child.size.width
nextLeftX += context.component.spacing
} else {
childFrame = CGRect(origin: CGPoint(x: nextRightX - child.size.width, y: floor((size.height - child.size.height) * 0.5)), size: child.size)
nextRightX -= child.size.width
nextRightX -= context.component.spacing
}
context.add(child
.position(child.size.centered(in: childFrame).center)
.appear(.default(scale: true, alpha: true))
.disappear(.default(scale: true, alpha: true))
)
}
}
return size