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//
// FFToastView.swift
// PaiAi
//
// Created by mac on 16/7/21.
// Copyright © 2016年 FFIB. All rights reserved.
//
import UIKit
class FFToastView: UIView {
//文字
var text: String = "" {
didSet {
label.text = text
label.numberOfLines = 0
label.lineBreakMode = .byWordWrapping
label.textAlignment = .center
label.sizeToFit()
}
}
//字体
var textFont = UIFont.systemFont(ofSize: 14)
var textColor = UIColor.white
//转菊花等待指示
lazy var activityIndicatorView = UIActivityIndicatorView(activityIndicatorStyle: .whiteLarge)
// 与父view的centerX距离
var centerXPadding: CGFloat = 0
// 与父view的centerX比例
var centerXMultiplier: CGFloat = 1
// --
var centerYPadding: CGFloat = 0
var centerYMultiplier: CGFloat = 1
// 中间文字上下左右间距
var labelEdgeInsets = UIEdgeInsets(top: 10, left: 10, bottom: 10, right: 10) {
didSet {
if !UIEdgeInsetsEqualToEdgeInsets(labelEdgeInsets, oldValue) {
self.setNeedsUpdateConstraints()
}
}
}
// 边界圆角
var viewCornerRadius: CGFloat = 5 {
didSet {
self.layer.masksToBounds = true
self.layer.cornerRadius = viewCornerRadius
}
}
fileprivate var showing = false
//文字toast
func showToast(inView superview: UIView, duration: TimeInterval) {
showing = true
self.superview?.isUserInteractionEnabled = true
// if label.superview == self {
label.removeFromSuperview()
// }
self.addToSuperView(superview, duration: duration, haveImage: true)
self.addSubview(label)
activityIndicatorView.removeFromSuperview()
addLabelConstraints()
}
func showImageToast(inView superview: UIView, duration: TimeInterval) {
showing = true
self.superview?.isUserInteractionEnabled = true
label.removeFromSuperview()
imageView.removeFromSuperview()
self.addToSuperView(superview, duration: duration)
// if label.superview != self {
self.addSubview(label)
self.addSubview(imageView)
activityIndicatorView.removeFromSuperview()
addImageViewConstraints()
// }
}
//菊花toast
func showLoadingToast(inView superview: UIView, blockSuperView: Bool) {
showing = true
self.superview?.isUserInteractionEnabled = true
label.removeFromSuperview()
self.addAcitvityIndicatorAndAddConstraints()
activityIndicatorView.startAnimating()
if blockSuperView {
superview.isUserInteractionEnabled = false
}
self.addToSuperView(superview, duration: 0)
}
func hideLoadingToast() {
showing = false
activityIndicatorView.stopAnimating()
activityIndicatorView.removeFromSuperview()
self.dismiss()
}
func addToSuperView(_ superview: UIView, duration: TimeInterval, haveImage: Bool = false) {
self.removeFromSuperview()
superview.addSubview(self)
self.layer.removeAllAnimations()
self.alpha = 1
// constrains to superview
self.useAutoLayout()
self.constraintCenterX = NSLayoutConstraint(item: self, attribute: .centerX, relatedBy: .equal, toItem: superview, attribute: .centerX, multiplier: centerXMultiplier, constant: centerXPadding)
self.constraintCenterX!.active()
self.constraintCenterY = NSLayoutConstraint(item: self, attribute: .centerY, relatedBy: .equal, toItem: superview, attribute: .centerY, multiplier: centerYMultiplier, constant: centerYPadding)
self.constraintCenterY!.active()
if self.bounds.width == 0 {
self.superview?.layoutIfNeeded()
}
self.layoutIfNeeded()
if duration > 0 {
self.perform(#selector(FFToastView.dismiss), with: nil, afterDelay: duration)
}
}
@objc func dismiss() {
showing = false
UIView.animate(withDuration: 0.2, animations: {
self.alpha = 0
}, completion: { (_) in
self.superview?.isUserInteractionEnabled = true
if !self.showing {
self.removeFromSuperview()
}
self.alpha = 1
})
}
@discardableResult
class func showToast(inView superview: UIView, withText text: String) -> FFToastView {
defaultInstance.text = text
defaultInstance.showToast(inView: superview, duration: 2)
return defaultInstance
}
@discardableResult
class func showToastAndTime(inView superview: UIView, withText text: String, withDuration duration: TimeInterval) -> FFToastView {
defaultInstance.text = text
defaultInstance.showToast(inView: superview, duration: duration)
return defaultInstance
}
@discardableResult
class func showImageToast(inView superview: UIView, withText text: String, withImage image: String) -> FFToastView {
defaultInstance.text = text
defaultInstance.imageView.image = UIImage(named: image)
defaultInstance.showImageToast(inView: superview, duration: 2)
return defaultInstance
}
class func hideLoadingToast() {
defaultInstance.hideLoadingToast()
}
@discardableResult
class func showLoadingToast(inView superview: UIView, blockSuperView block: Bool) -> FFToastView {
defaultInstance.showLoadingToast(inView: superview, blockSuperView : block)
return defaultInstance
}
// MARK: - -private--
static fileprivate let defaultInstance = FFToastView(frame: CGRect.zero)
fileprivate let label = UILabel()
fileprivate let imageView = UIImageView()
fileprivate var constraintCenterX: NSLayoutConstraint?
fileprivate var constraintCenterY: NSLayoutConstraint?
fileprivate var innerConstraints: [NSLayoutConstraint] = []
fileprivate func applyDefaultSetting() {
self.backgroundColor = UIColor(white: 0, alpha: 0.8)
label.textColor = self.textColor
label.font = self.textFont
self.viewCornerRadius = 5
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
self.applyDefaultSetting()
}
override init(frame: CGRect) {
super.init(frame: frame)
self.applyDefaultSetting()
}
override func didMoveToSuperview() {
if superview == nil {
self.constraintCenterX = nil
self.constraintCenterY = nil
}
}
func addImageViewConstraints() {
self.removeConstraints(constraints)
if imageView.superview == self && label.superview == self {
let rect = NSString(string: text).boundingRect(with: CGSize(width: kScreenWidth - 50, height: 10000), options: .usesLineFragmentOrigin, attributes: [NSAttributedStringKey.font: UIFont.systemFont(ofSize: 15)], context: nil)
let size = NSString(string: text).size(withAttributes: [NSAttributedStringKey.font: UIFont.systemFont(ofSize: 14)])
let width = size.width < kScreenWidth - 50 ? size.width : kScreenWidth - 50
imageView.frame = CGRect(x: 34, y: 18, width: 60, height: 60)
label.frame = CGRect(x: 10, y: 90, width: width, height: rect.height)
innerConstraints.removeAll(keepingCapacity: true)
NSLayoutConstraint(item: self, attribute: .width, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1, constant: width + 20).active()
NSLayoutConstraint(item: self, attribute: .height, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1, constant: 114 + rect.height).active()
}
}
func addLabelConstraints() {
imageView.removeFromSuperview()
self.removeConstraints(constraints)
let rect = NSString(string: text).boundingRect(with: CGSize(width: kScreenWidth - 50, height: 10000), options: .usesLineFragmentOrigin, attributes: [NSAttributedStringKey.font: UIFont.systemFont(ofSize: 15)], context: nil)
let size = NSString(string: text).size(withAttributes: [NSAttributedStringKey.font: UIFont.systemFont(ofSize: 14)])
let width = size.width < kScreenWidth - 50 ? size.width : kScreenWidth - 50
label.frame = CGRect(x: 10, y: 10, width: width, height: rect.height)
NSLayoutConstraint(item: self, attribute: .width, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1, constant: width + 20).active()
NSLayoutConstraint(item: self, attribute: .height, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1, constant: rect.height + 20).active()
}
fileprivate func addAcitvityIndicatorAndAddConstraints() {
imageView.removeFromSuperview()
removeConstraints(constraints)
if activityIndicatorView.superview != self {
self.addSubview(activityIndicatorView)
activityIndicatorView.useAutoLayout()
innerConstraints.removeAll()
NSLayoutConstraint.constraints(withVisualFormat: "H:|-30-[Indicator]-30-|", options: [], metrics: nil, views: ["Indicator": activityIndicatorView]).autolayoutInstall()
NSLayoutConstraint.constraints(withVisualFormat: "V:|-30-[Indicator]-30-|", options: [], metrics: nil, views: ["Indicator": activityIndicatorView]).autolayoutInstall()
}
}
}
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