//
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// EKRatingSymbolsContainerView.swift
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// SwiftEntryKit
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//
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// Created by Daniel Huri on 6/1/18.
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// Copyright (c) 2018 huri000@gmail.com. All rights reserved.
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//
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import UIKit
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final public class EKRatingSymbolsContainerView: UIView {
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private var message: EKRatingMessage!
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private var symbolsArray: [EKRatingSymbolView] = []
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public func setup(with message: EKRatingMessage,
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externalSelection: @escaping EKRatingMessage.Selection) {
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self.message = message
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let internalSelection = { [unowned self] (index: Int) in
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self.select(index: index)
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externalSelection(index)
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}
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for (index, item) in message.ratingItems.enumerated() {
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let itemView = EKRatingSymbolView(unselectedImage: item.unselectedImage,
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selectedImage: item.selectedImage,
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selection: internalSelection)
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itemView.tag = index
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addSubview(itemView)
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itemView.set(.width, .height, of: 50)
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symbolsArray.append(itemView)
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}
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symbolsArray.layoutToSuperview(axis: .vertically, priority: .must)
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symbolsArray.spread(.horizontally, stretchEdgesToSuperview: true)
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select()
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}
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private func select(index: Int? = nil) {
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var delay: TimeInterval = 0
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for (i, view) in symbolsArray.enumerated() {
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DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
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if let index = index, i <= index {
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view.isSelected = true
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view.transform = CGAffineTransform(scaleX: 1.5, y: 1.5)
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} else if view.isSelected || index == nil {
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view.isSelected = false
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view.transform = CGAffineTransform(scaleX: 0.5, y: 0.5)
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}
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UIView.animate(withDuration: 0.6,
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delay: 0,
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usingSpringWithDamping: 0.5,
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initialSpringVelocity: 0,
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options: [.allowUserInteraction], animations: {
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view.transform = .identity
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}, completion: nil)
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}
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delay += 0.05
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}
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}
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}
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