127 lines
3.2 KiB
Swift
127 lines
3.2 KiB
Swift
//
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// SBUSelectableStackView.swift
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// SendbirdUIKit
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//
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// Created by Wooyoung Chung on 7/8/20.
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// Copyright © 2020 Sendbird, Inc. All rights reserved.
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//
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import UIKit
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protocol Selectable {
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var isSelected: Bool { get set }
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}
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public class SBUSelectableStackView: SBUView, Selectable {
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// MARK: Public properties
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public let stackView: UIStackView = {
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let stackView = UIStackView()
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stackView.axis = .vertical
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return stackView
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}()
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public var position: MessagePosition = .right
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// MARK: Internal properties
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var isSelected: Bool = false {
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didSet {
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self.stackView.subviews.forEach { (view) in
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if var view = view as? Selectable {
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view.isSelected = self.isSelected
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}
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}
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self.setupStyles()
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}
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}
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var rightPressedBackgroundColor: UIColor?
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var rightBackgroundColor: UIColor?
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var leftPressedBackgroundColor: UIColor?
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var leftBackgroundColor: UIColor?
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// MARK: SBUView
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public override init() {
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super.init()
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}
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public override init(frame: CGRect) {
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super.init(frame: frame)
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}
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// MARK: SBUView Life Cycle
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public override func setupViews() {
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super.setupViews()
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self.addSubview(self.stackView)
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}
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public override func setupLayouts() {
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super.setupLayouts()
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self.stackView.setConstraint(from: self, left: 0, right: 0, top: 0, bottom: 0)
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}
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public override func setupStyles() {
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super.setupStyles()
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switch self.position {
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case .left:
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self.backgroundColor = self.isSelected
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? self.leftPressedBackgroundColor
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: self.leftBackgroundColor
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case .right:
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self.backgroundColor = self.isSelected
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? self.rightPressedBackgroundColor
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: self.rightBackgroundColor
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case .center:
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self.backgroundColor = nil
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break
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}
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}
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public func setAxis(_ axis: NSLayoutConstraint.Axis) {
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self.stackView.axis = axis
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}
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public func addArrangedSubview(_ view: UIView) {
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self.stackView.addArrangedSubview(view)
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}
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public func removeArrangedSubview(_ view: UIView) {
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self.stackView.removeArrangedSubview(view)
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}
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public func insertArrangedSubview(_ view: UIView, at index: Int) {
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self.stackView.insertArrangedSubview(view, at: index)
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}
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}
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extension SBUSelectableStackView {
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/**
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Adds arranged subviews to the stack view.
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*/
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@discardableResult
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func setStack(_ views: [UIView]) -> Self {
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views.forEach { self.addArrangedSubview($0) }
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return self
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}
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/**
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Sets `axis`as `.vertical` and adds arranged subviews to the stack view.
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*/
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@discardableResult
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func setVStack(_ views: [UIView]) -> Self {
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self.stackView.axis = .vertical
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return self.setStack(views)
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}
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/**
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Sets `axis`as `.horizontal` and adds arranged subviews to the stack view.
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*/
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@discardableResult
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func setHStack(_ views: [UIView]) -> Self {
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self.stackView.axis = .horizontal
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return self.setStack(views)
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}
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}
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