91 lines
3.0 KiB
Swift
Executable File
91 lines
3.0 KiB
Swift
Executable File
//
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// RMRPullToRefreshContainerView.swift
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// RMRPullToRefresh
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//
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// Created by Merkulov Ilya on 19.03.16.
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// Copyright © 2016 Merkulov Ilya. All rights reserved.
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//
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import UIKit
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open class RMRPullToRefreshContainerView: UIView {
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var currentView: RMRPullToRefreshView?
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var storage = [String: RMRPullToRefreshView]()
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open func configureView(_ view:RMRPullToRefreshView, state:RMRPullToRefreshState, result:RMRPullToRefreshResultType) {
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let key = storageKey(state, result:result)
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self.storage[key] = view
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}
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func updateView(_ state: RMRPullToRefreshState, result: RMRPullToRefreshResultType) {
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clear()
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if let view = obtainView(state, result: result) {
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view.translatesAutoresizingMaskIntoConstraints = false
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addSubview(view)
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addConstraint(constraint(self, subview: view, attribute: NSLayoutConstraint.Attribute.left))
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addConstraint(constraint(self, subview: view, attribute: NSLayoutConstraint.Attribute.top))
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addConstraint(constraint(self, subview: view, attribute: NSLayoutConstraint.Attribute.right))
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addConstraint(constraint(self, subview: view, attribute: NSLayoutConstraint.Attribute.bottom))
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view.layoutIfNeeded()
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self.currentView = view
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}
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}
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func dragging(_ progress: CGFloat) {
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if let view = self.currentView {
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view.didChangeDraggingProgress(progress)
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}
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}
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func startLoadingAnimation(_ startProgress: CGFloat) {
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if let view = self.currentView {
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if !view.pullToRefreshIsLoading {
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view.prepareForLoadingAnimation(startProgress)
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view.pullToRefreshIsLoading = true
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view.beginLoadingAnimation()
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}
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}
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}
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func prepareForStopAnimations() {
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if let view = self.currentView {
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view.willEndLoadingAnimation()
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}
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}
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func stopAllAnimations(_ hidden: Bool) {
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for view in storage.values {
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view.didEndLoadingAnimation(hidden)
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view.pullToRefreshIsLoading = false
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}
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}
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// MARK: - Private
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func clear() {
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for view in subviews {
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view.removeFromSuperview()
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}
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self.currentView = nil
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}
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func obtainView(_ state: RMRPullToRefreshState, result: RMRPullToRefreshResultType) -> RMRPullToRefreshView? {
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let key = storageKey(state, result:result)
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return self.storage[key]
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}
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func storageKey(_ state: RMRPullToRefreshState, result: RMRPullToRefreshResultType) -> String {
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return String(state.rawValue) + "_" + String(result.rawValue)
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}
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// MARK: - Constraint
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func constraint(_ superview: UIView, subview: UIView, attribute: NSLayoutConstraint.Attribute) -> NSLayoutConstraint {
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return NSLayoutConstraint(item: subview, attribute: attribute, relatedBy: NSLayoutConstraint.Relation.equal, toItem: superview, attribute: attribute, multiplier: 1, constant: 0)
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}
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}
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