// // DYScrollRulerView.swift // YKScrollRulerSwift // // Created by Daniel Yao on 16/11/22. // Copyright © 2016年 Daniel Yao. All rights reserved. // import UIKit fileprivate let TextRulerFont = UIFont.systemFont(ofSize: 11) fileprivate let RulerLineColor = UIColor.gray fileprivate let RulerGap = 4 fileprivate let RulerLong = 9 fileprivate let RulerShort = 4 fileprivate let TriangleWidth = 16 fileprivate let CollectionHeight = 30 fileprivate let TextColorWhiteAlpha:CGFloat = 1.0 fileprivate func alerts(vc:UIViewController,str:String){ // let alert = UIAlertController.init(title: "提醒", message: str, preferredStyle: UIAlertController.Style.alert) // let action:UIAlertAction = UIAlertAction.init(title: "OK", style: UIAlertAction.Style.default, handler: { (action) in // // }) // alert.addAction(action) // vc.present(alert, animated: true, completion: nil) } /***************DY************分************割************线***********/ class DYTriangleView: UIView { var triangleColor:UIColor? override init(frame: CGRect) { super.init(frame: frame) } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } override func draw(_ rect: CGRect) { let line1 = UIView() line1.backgroundColor = UIColor(hexString: "#573F95") addSubview(line1) line1.frame = CGRect(x: TriangleWidth / 2 - 2, y: 0, width: 4, height: 1) let line2 = UIView() line2.backgroundColor = UIColor(hexString: "#573F95") addSubview(line2) line2.frame = CGRect(x: Double(TriangleWidth / 2) - 0.5, y: 0, width: 1, height: 30) let line3 = UIView() line3.backgroundColor = UIColor(hexString: "#573F95") addSubview(line3) line3.frame = CGRect(x: TriangleWidth / 2 - 2, y: 30, width: 4, height: 1) let line4 = UIView() line4.backgroundColor = UIColor(hexString: "#573F95") addSubview(line4) line4.frame = CGRect(x: TriangleWidth / 2 - 2 , y: (30 - 13) / 2 , width: 4, height: 13) } } /***************DY************分************割************线***********/ class DYRulerView: UIView { var minValue:Float = 0.0 var maxValue:Float = 0.0 var unit:String = "" var step:Float = 0.0 var betweenNumber = 0 override func draw(_ rect: CGRect) { let startX:CGFloat = 0 let lineCenterX = CGFloat(RulerGap) let shorttopY:CGFloat = (rect.size.height - CGFloat(RulerShort)) / 2 let longtopY:CGFloat = (rect.size.height - CGFloat(RulerLong)) / 2 let shortLineY = (shorttopY + CGFloat(RulerShort)) let longLineY = (longtopY + CGFloat(RulerLong)) let context = UIGraphicsGetCurrentContext() context?.setLineWidth(1) context?.setLineCap(CGLineCap.butt) context?.setStrokeColor(red: 101/255, green: 112/255, blue: 133/255, alpha: 1.0) for i in 0...betweenNumber { print(i) if i%betweenNumber == 0 { context?.move(to: CGPoint.init(x: startX+lineCenterX*CGFloat(i), y: longtopY)) let num = Float(i)*step+minValue print(unit) var numStr = String(format: "%.f%@", num,unit) if num > 1000000 { numStr = String(format: "%f万%@", num/10000,unit) } print(i,step,minValue) // let attribute:Dictionary = [NSAttributedStringKey.font:TextRulerFont,NSAttributedStringKey.foregroundColor:UIColor.init(white: TextColorWhiteAlpha, alpha: 1.0)] // let width = numStr.boundingRect( // with: CGSize(width: CGFloat.greatestFiniteMagnitude, height: CGFloat.greatestFiniteMagnitude), // options: NSStringDrawingOptions.usesLineFragmentOrigin, // attributes: attribute,context: nil).size.width // numStr.draw(in: CGRect.init(x: startX+lineCenterX*CGFloat(i)-width/2, y: longLineY+10, width: width, height: 14), withAttributes: attribute) context!.addLine(to: CGPoint.init(x: startX+lineCenterX*CGFloat(i), y: longLineY)) }else{ context?.move(to: CGPoint.init(x: startX+lineCenterX*CGFloat(i), y: shorttopY)) context!.addLine(to: CGPoint.init(x: startX+lineCenterX*CGFloat(i), y: shortLineY)) } context!.strokePath() } } } /***************DY************分************割************线***********/ class DYHeaderRulerView: UIView { var headerMinValue = 0 var headerUnit = "" override func draw(_ rect: CGRect) { let longLineY = rect.size.height - CGFloat(RulerShort) let context = UIGraphicsGetCurrentContext() context?.setStrokeColor(red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0) context?.setLineWidth(1.0) context?.setLineCap(CGLineCap.butt) context?.move(to: CGPoint.init(x: rect.size.width, y: 0)) var numStr:NSString = NSString(format: "%d%@", headerMinValue,headerUnit) if headerMinValue > 1000000 { numStr = NSString(format: "%f万%@", headerMinValue/10000,headerUnit) } let attribute:Dictionary = [NSAttributedString.Key.font:TextRulerFont,NSAttributedString.Key.foregroundColor:UIColor.init(white: TextColorWhiteAlpha, alpha: 1.0)] let width = numStr.boundingRect(with: CGSize.init(width: CGFloat.greatestFiniteMagnitude, height: CGFloat.greatestFiniteMagnitude), options: NSStringDrawingOptions(rawValue: 0), attributes: attribute, context: nil).size.width numStr.draw(in: CGRect.init(x: rect.size.width-width/2, y: longLineY+10, width: width, height: 14), withAttributes: attribute) context?.addLine(to: CGPoint.init(x: rect.size.width, y: longLineY)) context?.strokePath() } } /***************DY************分************割************线***********/ class DYFooterRulerView: UIView { var footerMaxValue = 0 var footerUnit = "" override func draw(_ rect: CGRect) { let longLineY = Int(rect.size.height) - RulerShort let context = UIGraphicsGetCurrentContext() context?.setStrokeColor(red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0) context?.setLineWidth(1.0) context?.setLineCap(CGLineCap.butt) context?.move(to: CGPoint.init(x: 0, y: 0)) var numStr:NSString = NSString(format: "%d%@", footerMaxValue,footerUnit) if footerMaxValue > 1000000 { numStr = NSString(format: "%f万%@", footerMaxValue/10000,footerUnit) } let attribute:Dictionary = [NSAttributedString.Key.font:TextRulerFont,NSAttributedString.Key.foregroundColor:UIColor.init(white: TextColorWhiteAlpha, alpha: 1.0)] let width = numStr.boundingRect(with: CGSize.init(width: CGFloat.greatestFiniteMagnitude, height: CGFloat.greatestFiniteMagnitude), options: NSStringDrawingOptions(rawValue: 0), attributes: attribute, context: nil).size.width numStr.draw(in: CGRect.init(x: 0-width/2, y: CGFloat(longLineY+10), width: width, height:CGFloat(14)), withAttributes: attribute) context?.addLine(to: CGPoint.init(x: 0, y: longLineY)) context?.strokePath() } } /***************DY************分************割************线***********/ protocol DYScrollRulerDelegate:NSObjectProtocol { func dyScrollRulerViewValueChange(rulerView:DYScrollRulerView,value:Float) } class DYScrollRulerView: UIView { /* // Only override draw() if you perform custom drawing. // An empty implementation adversely affects performance during animation. override func draw(_ rect: CGRect) { // Drawing code } */ weak var delegate:DYScrollRulerDelegate? var scrollByHand = true var triangleColor:UIColor? = nil var bgColor:UIColor? = nil var stepNum = 0//分多少个大区 private var redLine:UIImageView? private var fileRealValue:Float = 0.0 var rulerUnit:String = "" var minValue:Float = 0.0 var maxValue:Float = 0.0 var step:Float = 0.0 //间隔值，每两条相隔多少值 var betweenNum:Int = 0 var currentVC:UIViewController? class func rulerViewHeight() -> Int { return 40+20+CollectionHeight } init(frame: CGRect,tminValue:Float,tmaxValue:Float,tstep:Float,tunit:String,tNum:Int,viewcontroller:UIViewController?) { super.init(frame: frame) minValue = tminValue maxValue = tmaxValue betweenNum = tNum step = tstep stepNum = Int((tmaxValue - tminValue)/step)/betweenNum rulerUnit = tunit bgColor = UIColor.white currentVC = viewcontroller triangleColor = UIColor.orange self.backgroundColor = UIColor.white lazyValueTF.frame = CGRect.init(x: self.bounds.size.width/2-60, y: 10, width: 80, height: 20) self.addSubview(self.lazyValueTF) lazyTriangle.frame = CGRect.init(x: self.bounds.size.width/2-0.5 - CGFloat(TriangleWidth)/2, y: lazyValueTF.frame.maxY, width: CGFloat(TriangleWidth), height: CGFloat(30)) lazyUnitLab.frame = CGRect.init(x: lazyValueTF.frame.maxX+10, y: lazyValueTF.frame.minY, width: 40, height: 40) lazyOKBtn.frame = CGRect.init(x: lazyUnitLab.frame.maxX+10, y: lazyValueTF.frame.minY+5, width: 40, height: 30) let circle = UIView(frame: CGRect(x: self.bounds.size.width/2-0.5 - CGFloat(30)/2, y: lazyValueTF.frame.maxY, width: 30, height: 30)) circle.backgroundColor = UIColor(white: 1, alpha: 0.6) circle.layer.masksToBounds = true circle.layer.cornerRadius = 15 self.addSubview(self.lazyUnitLab) // self.addSubview(self.lazyOKBtn) self.addSubview(self.lazyCollectionView) addSubview(circle) self.addSubview(self.lazyTriangle) self.lazyCollectionView.frame = CGRect.init(x: 0, y:self.lazyValueTF.frame.maxY, width: self.bounds.size.width, height: CGFloat(CollectionHeight)) self.lazyUnitLab.text = tunit } required init?(coder aDecoder: NSCoder) { fatalError("init(coder:) has not been implemented") } lazy var lazyValueTF: UITextField = {[unowned self] in let zyValueTF = UITextField() zyValueTF.isUserInteractionEnabled = true // #05CFAB zyValueTF.textColor = UIColor(hexString: "#573F95") zyValueTF.defaultTextAttributes = [NSAttributedString.Key.font:UIFont(name: Alibaba_PuHuiTi_Medium, size: 11),NSAttributedString.Key.foregroundColor : UIColor(hexString: "#573F95")] zyValueTF.isEnabled = false zyValueTF.textAlignment = NSTextAlignment.right zyValueTF.delegate = self zyValueTF.keyboardType = UIKeyboardType.numbersAndPunctuation zyValueTF.returnKeyType = UIReturnKeyType.done return zyValueTF }() lazy var lazyOKBtn:UIButton = { let okBtn = UIButton.init(type: UIButton.ButtonType.custom) okBtn.setTitle("OK", for: UIControl.State.normal) okBtn.setTitleColor(UIColor.init(white: 0.7, alpha: 1.0), for: UIControl.State.highlighted) okBtn.setTitleColor(UIColor.white, for: UIControl.State.normal) okBtn.addTarget(self, action: #selector(DYScrollRulerView.editDone), for: UIControl.Event.touchUpInside) okBtn.backgroundColor = UIColor.gray okBtn.layer.cornerRadius = 5.0 return okBtn }() lazy var lazyUnitLab: UILabel = { let zyUnitLab = UILabel() zyUnitLab.textColor = UIColor.red return zyUnitLab }() lazy var lazyCollectionView: UICollectionView = {[unowned self]in let flowLayout = UICollectionViewFlowLayout() flowLayout.scrollDirection = UICollectionView.ScrollDirection.horizontal flowLayout.sectionInset = UIEdgeInsets.init(top: 0, left: 0, bottom: 0, right: 0) let zyCollectionView:UICollectionView = UICollectionView.init(frame: CGRect.init(x: 0, y: 0, width: self.bounds.size.width, height: CGFloat(CollectionHeight)), collectionViewLayout: flowLayout) zyCollectionView.backgroundColor = UIColor(hexString: "#E9EFEC") zyCollectionView.bounces = true zyCollectionView.showsHorizontalScrollIndicator = false zyCollectionView.showsVerticalScrollIndicator = false zyCollectionView.delegate = self zyCollectionView.dataSource = self zyCollectionView.register(UICollectionViewCell.self, forCellWithReuseIdentifier: "headCell") zyCollectionView.register(UICollectionViewCell.self, forCellWithReuseIdentifier: "footerCell") zyCollectionView.register(UICollectionViewCell.self, forCellWithReuseIdentifier: "customeCell") return zyCollectionView }() lazy var lazyTriangle: DYTriangleView = { let triangleView = DYTriangleView() triangleView.backgroundColor = UIColor.clear triangleView.triangleColor = UIColor.blue return triangleView }() @objc fileprivate func didChangeCollectionValue() { let textFieldValue = Float(lazyValueTF.text!) if (textFieldValue!-minValue)>=0 { self.setRealValueAndAnimated(realValue: (textFieldValue!-minValue)/step, animated: true) } } @objc fileprivate func setRealValueAndAnimated(realValue:Float,animated:Bool){ fileRealValue = realValue lazyValueTF.text = String.init(format: "%.1f", fileRealValue*step+minValue) lazyCollectionView.setContentOffset(CGPoint.init(x: Int(realValue)*RulerGap, y: 0), animated: animated) } func setDefaultValueAndAnimated(defaultValue:Float,animated:Bool){ fileRealValue = defaultValue lazyValueTF.text = String.init(format: "%.1f", defaultValue) lazyCollectionView.setContentOffset(CGPoint.init(x: Int((defaultValue-minValue)/step) * RulerGap, y: 0), animated: animated) } @objc func editDone(){ let currentText:NSString = lazyValueTF.text! as NSString if !self.judgeTextsHasWord(texts: currentText as String){ alerts(vc: currentVC!, str: "请输入数字") return } lazyValueTF.resignFirstResponder() if currentText.floatValue > maxValue{ lazyValueTF.text = String.init(format: "%.1f", maxValue) self.perform(#selector(self.didChangeCollectionValue), with: nil, afterDelay: 0) }else if currentText.floatValue <= minValue || currentText.length == 0{ lazyValueTF.text = String.init(format: "%.1f", minValue) self.perform(#selector(self.didChangeCollectionValue), with: nil, afterDelay: 1) }else{ NSObject.cancelPreviousPerformRequests(withTarget: self) self.perform(#selector(self.didChangeCollectionValue), with: nil, afterDelay: 1) } } func judgeTextsHasWord(texts:String) -> Bool{ let scan:Scanner = Scanner.init(string: texts) var value:Float = 0.0 return scan.scanFloat(&value) && scan.isAtEnd } } extension DYScrollRulerView:UICollectionViewDataSource{ func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { return 2+stepNum } func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { if indexPath.item == 0 { let cell:UICollectionViewCell = collectionView.dequeueReusableCell(withReuseIdentifier: "headCell", for: indexPath) var headerView:DYHeaderRulerView? = cell.contentView.viewWithTag(1000) as?DYHeaderRulerView if headerView == nil{ headerView = DYHeaderRulerView.init(frame: CGRect.init(x: 0, y: 0, width: Int(self.frame.size.width/2), height: CollectionHeight)) headerView!.backgroundColor = UIColor.clear headerView!.headerMinValue = Int(minValue) headerView!.headerUnit = rulerUnit headerView!.tag = 1000 cell.contentView.addSubview(headerView!) } return cell }else if indexPath.item == stepNum+1 { let cell:UICollectionViewCell = collectionView.dequeueReusableCell(withReuseIdentifier: "footerCell", for: indexPath) var footerView:DYFooterRulerView? = cell.contentView.viewWithTag(1001) as? DYFooterRulerView if footerView == nil { footerView = DYFooterRulerView.init(frame: CGRect.init(x: 0, y: 0, width: Int(self.frame.size.width/2), height: CollectionHeight)) footerView!.backgroundColor = UIColor.clear footerView!.footerMaxValue = Int(maxValue) footerView!.footerUnit = rulerUnit footerView!.tag = 1001 cell.contentView.addSubview(footerView!) } return cell }else{ let cell:UICollectionViewCell = collectionView.dequeueReusableCell(withReuseIdentifier: "customeCell", for: indexPath) var rulerView:DYRulerView? = cell.contentView.viewWithTag(1002) as? DYRulerView if rulerView == nil { rulerView = DYRulerView.init(frame: CGRect.init(x: 0, y: 0, width: RulerGap*betweenNum, height: CollectionHeight)) rulerView!.backgroundColor = UIColor.clear rulerView!.step = step rulerView!.unit = rulerUnit rulerView!.tag = 1002 rulerView!.betweenNumber = betweenNum; cell.contentView.addSubview(rulerView!) } rulerView?.backgroundColor = .clear // if indexPath.item >= 8 && indexPath.item <= 12{ // rulerView?.backgroundColor = UIColor.green // }else if(indexPath.item >= 13 && indexPath.item <= 18){ // rulerView?.backgroundColor = UIColor.red // }else{ // rulerView?.backgroundColor = UIColor.gray // } rulerView!.minValue = step*Float((indexPath.item-1))*Float(betweenNum)+minValue rulerView!.maxValue = step*Float(indexPath.item)*Float(betweenNum) rulerView!.setNeedsDisplay() return cell } } } extension DYScrollRulerView:UICollectionViewDelegate{ func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) { } func scrollViewDidScroll(_ scrollView: UIScrollView) { let value = Int(scrollView.contentOffset.x)/RulerGap let totalValue = Float(value)*step+minValue if scrollByHand { if totalValue>=maxValue { lazyValueTF.text = String.init(format: "%.1f", maxValue) }else if totalValue <= minValue { lazyValueTF.text = String.init(format: "%.1f", minValue) }else{ lazyValueTF.text = String.init(format: "%.1f", Float(value)*step+minValue) } } delegate?.dyScrollRulerViewValueChange(rulerView: self, value: totalValue) } func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) { if !decelerate { self.setRealValueAndAnimated(realValue: Float(scrollView.contentOffset.x)/Float(RulerGap), animated: true) } } func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) { self.setRealValueAndAnimated(realValue: Float(scrollView.contentOffset.x)/Float(RulerGap), animated: true) } } extension DYScrollRulerView:UICollectionViewDelegateFlowLayout{ func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize { if indexPath.item == 0 || indexPath.item == stepNum + 1 { return CGSize(width: Int(self.frame.size.width/2), height: CollectionHeight) } return CGSize(width: RulerGap*betweenNum, height: CollectionHeight) } func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets { return UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0) } func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat { return 0 } func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat { return 0 } } extension DYScrollRulerView:UITextFieldDelegate{ func textFieldShouldReturn(_ textField: UITextField) -> Bool { self.editDone() return true } }