PDF_Office/PDF Office/PDF Master/Class/PDFTools/Watermark/New/View/KMWatermarkView.swift

//
//  KMWatermarkView.swift
//  PDF Master
//
//  Created by lizhe on 2023/11/14.
//


import Cocoa

enum KMWatermarkManagerType {
    case add
    case edit
    case use
}

typealias KMWatermarkViewOperateCallBack = (_ watermark: KMWatermarkModel, _ countType: Int) -> ()
typealias KMWatermarkViewCancelAction = (_ view: KMWatermarkView) -> Void

class KMWatermarkView: KMBaseXibView, NSTextFieldDelegate, NSComboBoxDelegate, NSTextViewDelegate, CPDFViewDelegate {
    //顶部box
    @IBOutlet var typeBox: NSBox!
    @IBOutlet var txtButton: NSButton!
    @IBOutlet var fileButton: NSButton!
    @IBOutlet var filePathLabel: NSTextField!
    @IBOutlet var browsebutton: NSButton!
    @IBOutlet var ratioLabel: NSTextField!
    @IBOutlet var ratioTextField: NSTextField!
    @IBOutlet var ratioStepper: NSStepper!
    @IBOutlet var fontLabel: NSTextField!
    @IBOutlet var fontComboBox: NSComboBox!
    @IBOutlet var fontSizeLabel: NSTextField!
    @IBOutlet var fontSizeCombobox: NSComboBox!
    @IBOutlet var colorLabel: NSTextField!
    @IBOutlet var colorWell: NSColorWell!
    @IBOutlet var watermarkStringTextView: NSTextView!
    var maskView: KMBookletMaskView?
    
    //底部box
    @IBOutlet var appearanceBox: NSBox!
    @IBOutlet var angleLabel: NSTextField!
    @IBOutlet var angleTextF: NSTextField!
    @IBOutlet var angleStepper: NSStepper!
    @IBOutlet var left45IndicateView: KMAngleIndicateView!
    @IBOutlet var horizontalIndicateView: KMAngleIndicateView!
    @IBOutlet var right45IndicateView: KMAngleIndicateView!
    
    @IBOutlet var alphaLabel: NSTextField!
    @IBOutlet var alphaSlider: NSSlider!
    @IBOutlet var alphaTextField: NSTextField!
    @IBOutlet var alphaStepper: NSStepper!
    @IBOutlet var watermarkPositionLabel: NSTextField!
    @IBOutlet var OnPageButton: NSButton!
    @IBOutlet var backPageButton: NSButton!
    @IBOutlet var positionView: KMPostionIndicateView!
    @IBOutlet var horizentalGapLabel: NSTextField!
    @IBOutlet var verticalGapLabel: NSTextField!
    @IBOutlet var horizentalGapTextField: NSTextField!
    @IBOutlet var verticalFapTextField: NSTextField!
    @IBOutlet var horizentalGapStepper: NSStepper!
    @IBOutlet var verticalGapStepper: NSStepper!
    @IBOutlet var pageRangeLabel: NSTextField!
    @IBOutlet var pageRangeComboBox: NSComboBox!
    
    //保存到模版按钮
    @IBOutlet var saveToTemplateButton: NSButton!
    @IBOutlet var templateNameLabel: NSTextField!
    @IBOutlet var templateNameTextField: NSTextField!
    
    @IBOutlet var isTileWater: NSButton!
    @IBOutlet var spacingHorTextField: NSTextField!
    @IBOutlet var spacingHorStepper: NSStepper!
    @IBOutlet var horizentalIconButton: NSButton!
    @IBOutlet var verticalIconButton: NSButton!
    @IBOutlet var spacingVerTextField: NSTextField!
    @IBOutlet var spacingStepper: NSStepper!
    
    //底部按钮
    @IBOutlet var batchButton: NSButton!
    @IBOutlet var cancelButton: NSButton!
    @IBOutlet var applyButton: NSButton!
    
    //左侧
    @IBOutlet var previewPageButton: NSButton!
    @IBOutlet var nextPageButton: NSButton!
    @IBOutlet var currentPageIndexTextF: NSTextField!
    @IBOutlet var totalPageCountLabel: NSTextField!
    @IBOutlet var pdfView: KMWatermarkPDFView!
    var fontModified: Bool = false
    
    var currentType: Int = 0
    
    var filePath: String = Bundle.main.path(forResource: "Quick Start Guide", ofType: "pdf") ?? ""
    var password: String = ""
    var originalWatermark: KMWatermarkModel = KMWatermarkModel()
    var watermark: KMWatermarkModel = KMWatermarkModel()
    var type: KMWatermarkManagerType = .add
    var pdfDocument: CPDFDocument? {
        didSet {
            self.pdfView.document = pdfDocument
            self.reloadData()
        }
    }
    
    var onlyManagerTemplate: Bool = false
    
    var cancelAction: KMWatermarkViewCancelAction?
    var operateCallBack: KMWatermarkViewOperateCallBack?
    
    convenience init(baseFile filePath: String, watermark: KMWatermarkModel, password: String, type: KMWatermarkManagerType, fileType countType: Int) {
        self.init()
        
        self.filePath = filePath
        self.password = password
        self.originalWatermark = watermark.copy() as! KMWatermarkModel
        self.watermark = watermark.copy() as! KMWatermarkModel
        self.type = type
        self.pdfDocument = CPDFDocument(url: URL(fileURLWithPath: self.filePath))
        self.currentType = countType
        
        if pdfDocument?.isLocked ?? false {
            pdfDocument?.unlock(withPassword: password)
        }
    }
    
    override func setup() {
        pdfView.watermark = watermark
        pdfView.document = pdfDocument
        pdfView.autoScales = true
//        pdfView.documentView?.enclosingScrollView?.hasVerticalScroller = false
//        pdfView.documentView?.enclosingScrollView?.hasHorizontalScroller = false
        
        for i in 0..<3 {
            for j in 0..<3 {
                if i == Int(watermark.horizontalMode) && j == Int(watermark.verticalMode) {
                    positionView.style = KMPositionIndicateViewStyle(rawValue: i + 3 * j)!
                }
            }
        }
        
        positionView.styleChangedCallBack = { [weak self] in
            guard let self = self else { return }
            self.watermark.horizontalMode = self.positionView.style.rawValue % 3
            self.watermark.verticalMode = self.positionView.style.rawValue / 3
            self.pdfView.needsDisplay = true
        }
        
        currentPageIndexTextF.stringValue = "1"
//        let numberFormatter = currentPageIndexTextF.formatter as! NumberFormatter
//        numberFormatter.maximum = NSNumber(value: pdfDocument!.pageCount)
        pdfView.delegate = self
        
        left45IndicateView.style = .left45
        left45IndicateView.touchCallBack = { [weak self] in
            guard let self = self else { return }
            self.watermark.rotation = -45
            self.angleStepper.doubleValue = self.watermark.rotation
            self.angleTextF.stringValue = "\(self.angleStepper.intValue)"
            self.checkAngle()
            self.pdfView.needsDisplay = true
        }
        
        horizontalIndicateView.style = .horizontal
        horizontalIndicateView.touchCallBack = { [weak self] in
            guard let self = self else { return }
            self.watermark.rotation = 0
            self.angleStepper.doubleValue = 0
            self.angleTextF.stringValue = "\(0)"
            self.checkAngle()
            self.pdfView.needsDisplay = true
        }
        
        right45IndicateView.style = .right45
        right45IndicateView.touchCallBack = { [weak self] in
            guard let self = self else { return }
            self.watermark.rotation = 45
            self.angleStepper.doubleValue = self.watermark.rotation
            self.angleTextF.stringValue = "\(self.angleStepper.intValue)"
            self.checkAngle()
            self.pdfView.needsDisplay = true
        }
        
        if !onlyManagerTemplate {
            saveToTemplateButton.isEnabled = false
        }
        
        if type == .use {
            saveToTemplateButton.isHidden = true
            saveToTemplateButton.state = .off
        } else {
            saveToTemplateButton.isHidden = false
            saveToTemplateButton.state = .on
        }
    
        
        if type == .add {
            applyButton.title = NSLocalizedString("Apply", comment: "")
            batchButton.isHidden = true
        } else if type == .edit {
            applyButton.title = NSLocalizedString("Apply", comment: "")
            batchButton.isHidden = true
        } else if type == .use {
            applyButton.title = NSLocalizedString("Save & Apply", comment: "")
        }
        
        filePathLabel.stringValue = ""
        filePathLabel.placeholderString = NSLocalizedString("Select a File", comment: "")
        
        fontSizeCombobox.removeAllItems()
        fontSizeCombobox.addItems(withObjectValues: ["9","10","11","12","13","14","18","24","36","48","64","72","96","144","288"])
        fontSizeCombobox.formatter = TextFieldFormatter()
        
        watermarkStringTextView.string = watermark.text 
        
        pageRangeComboBox.removeAllItems()
        pageRangeComboBox.addItems(withObjectValues: [
            NSLocalizedString("All Pages", comment: ""),
            NSLocalizedString("Odd Pages Only", comment: ""),
            NSLocalizedString("Even Pages Only", comment: ""),
            NSLocalizedString("e.g. 1,3-5,10", comment: "")
        ])
        
        pageRangeComboBox.placeholderString = NSLocalizedString("e.g. 1,3-5,10", comment: "")
        pageRangeComboBox.delegate = nil
        pageRangeComboBox.selectItem(at: 0)
        pageRangeComboBox.isEditable = false
        pageRangeComboBox.delegate = self
        
        fontSizeCombobox.wantsLayer = true
        pageRangeComboBox.wantsLayer = true
        
        fontSizeCombobox.layer?.cornerRadius = 3.0
        pageRangeComboBox.layer?.cornerRadius = 3.0
    }

    
    override func updateLanguage() {
        typeBox.title = NSLocalizedString("Source", comment: "")
        typeBox.titleFont = NSFont.systemFont(ofSize: 13)
        txtButton.title = NSLocalizedString("Text", comment: "")
        fileButton.title = NSLocalizedString("File", comment: "")
        browsebutton.title = NSLocalizedString("Choose...", comment: "")
        ratioLabel.stringValue = "\(NSLocalizedString("Ratio", comment: "")):"
        fontLabel.stringValue = NSLocalizedString("Font", comment: "")
        horizentalIconButton.toolTip = NSLocalizedString("Horizontal Distance", comment: "")
        verticalIconButton.toolTip = NSLocalizedString("Vertical Distance", comment: "")
        fontSizeLabel.stringValue = "\(NSLocalizedString("Font Size", comment: "")):"
        colorLabel.stringValue = "\(NSLocalizedString("Color", comment: "")):"
        colorWell.color = watermark.waterTextColor
        templateNameTextField.stringValue = watermark.watermarkID ?? ""
        
        appearanceBox.title = NSLocalizedString("Appearance", comment: "")
        appearanceBox.titleFont = NSFont.systemFont(ofSize: 13)
        angleLabel.stringValue = "\(NSLocalizedString("Rotation", comment: "")):"
        alphaLabel.stringValue = "\(NSLocalizedString("Opacity", comment: "")):"
        watermarkPositionLabel.stringValue = "\(NSLocalizedString("Position", comment: "")):"
        OnPageButton.title = NSLocalizedString("Appear on top of page", comment: "")
        backPageButton.title = NSLocalizedString("Appear behind page", comment: "")
        pageRangeLabel.stringValue = "\(NSLocalizedString("Page Range", comment: "")):"
        isTileWater.title = NSLocalizedString("Tile", comment: "")
        
        OnPageButton.toolTip = NSLocalizedString("Appear on top of page", comment: "")
        backPageButton.toolTip = NSLocalizedString("Appear behind page", comment: "")
        pageRangeLabel.toolTip = "\(NSLocalizedString("Page Range", comment: "")):"
        
        horizentalGapLabel.stringValue = "X:"
        verticalGapLabel.stringValue = "Y:"
        
        saveToTemplateButton.title = NSLocalizedString("Add to Template", comment: "")
        
        templateNameLabel.stringValue = NSLocalizedString("Name:", comment: "")
        
        batchButton.title = NSLocalizedString("Batch", comment: "")
        cancelButton.title = NSLocalizedString("Cancel", comment: "")
    }
    
    override func reloadData() {
        guard let pdfDocument = pdfDocument else { return }
        let opacity = round(watermark.opacity * 100) / 100
        
        totalPageCountLabel.stringValue = "/ \(pdfDocument.pageCount)"
        
        fontSizeCombobox.stringValue = "\(watermark.textFontSize)"
        angleStepper.doubleValue = Double(watermark.rotation)
        angleTextF.stringValue = "\(angleStepper.doubleValue)"
        
        OnPageButton.state = watermark.isFront ? .on : .off
        backPageButton.state = watermark.isFront ? .off : .on
        
        alphaSlider.doubleValue = watermark.opacity
        alphaStepper.doubleValue = watermark.opacity
        alphaTextField.stringValue = "\(Int(opacity * 100))%"
        ratioStepper.doubleValue = watermark.scale
        ratioTextField.stringValue = "\(Int(opacity * 100))%"
        fontComboBox.stringValue = "\(watermark.textFontSize )"
        filePathLabel.stringValue = watermark.imagePath ?? ""
        
        if currentType == 0 {
            changeTypeBoxState(isTextWatermark: true)
        } else {
            changeTypeBoxState(isTextWatermark: false)
        }
        
        switch watermark.pageRangeType {
        case .all:
            pageRangeComboBox.isEditable = false
            pageRangeComboBox.selectItem(at: 0)
        case .odd:
            pageRangeComboBox.isEditable = false
            pageRangeComboBox.selectItem(at: 1)
        case .even:
            pageRangeComboBox.isEditable = false
            pageRangeComboBox.selectItem(at: 2)
        case .other:
            pageRangeComboBox.isEditable = true
            pageRangeComboBox.selectItem(at: 3)
            pageRangeComboBox.stringValue = watermark.pagesString
        }
        
        verticalGapStepper.doubleValue = Double(watermark.verticalSpace)
        verticalFapTextField.stringValue = "\(verticalGapStepper.doubleValue)"
        horizentalGapStepper.doubleValue = Double(watermark.horizontalSpace)
        horizentalGapTextField.stringValue = "\(horizentalGapStepper.doubleValue)"
        
        spacingHorTextField.stringValue = "\(watermark.tileHorizontalSpace)"
        spacingVerTextField.stringValue = "\(watermark.tileVerticalSpace)"
        spacingHorStepper.doubleValue = Double(watermark.tileHorizontalSpace)
        spacingStepper.doubleValue = Double(watermark.tileVerticalSpace)
        
        if watermark.isTilePage {
            isTileWater.state = .on
            spacingHorTextField.isEnabled = true
            spacingHorStepper.isEnabled = true
            spacingVerTextField.isEnabled = true
            spacingStepper.isEnabled = true
        } else {
            isTileWater.state = .off
            spacingHorTextField.isEnabled = false
            spacingHorStepper.isEnabled = false
            spacingVerTextField.isEnabled = false
            spacingStepper.isEnabled = false
        }
        
        pageRangeComboxAction(Any.self)
        checkAngle()
    }
    
    func checkAngle() {
        left45IndicateView.isSelcted = false
        horizontalIndicateView.isSelcted = false
        right45IndicateView.isSelcted = false
        
        switch watermark.rotation {
        case -45:
            left45IndicateView.isSelcted = true
        case 0:
            horizontalIndicateView.isSelcted = true
        case 45:
            right45IndicateView.isSelcted = true
        default:
            break
        }
    }
    
    func changeTypeBoxState(isTextWatermark: Bool) {
        if isTextWatermark {
            txtButton.state = .on
            watermarkStringTextView.isEditable = true
            watermarkStringTextView.isSelectable = true
            fontSizeCombobox.isEnabled = true
            colorWell.isEnabled = true
            
            fileButton.state = .off
            browsebutton.isEnabled = false
            ratioTextField.isEnabled = false
            ratioStepper.isEnabled = false
            
            watermark.text = watermarkStringTextView.string
            watermarkStringTextView.string = watermarkStringTextView.string
            watermark.image = nil
            
            if watermarkStringTextView.string.isEmpty == false {
                applyButton.isEnabled = true
                batchButton.isEnabled = true
            } else {
                applyButton.isEnabled = false
                batchButton.isEnabled = false
            }
        } else {
            txtButton.state = .off
            watermarkStringTextView.isEditable = false
            watermarkStringTextView.isSelectable = false
            fontSizeCombobox.isEnabled = false
            colorWell.isEnabled = false
            
            fileButton.state = .on
            browsebutton.isEnabled = true
            ratioTextField.isEnabled = true
            ratioStepper.isEnabled = true
            
            watermark.text = ""
            watermark.image = NSImage(contentsOfFile: watermark.imagePath ?? "")
            
            if filePathLabel.stringValue.isEmpty == false {
                applyButton.isEnabled = true
                batchButton.isEnabled = true
            } else {
                applyButton.isEnabled = false
                batchButton.isEnabled = false
            }
        }
        pdfView.needsDisplay = true
    }
    
    func checkPageRangeValidate(_ pageRangeString: String) -> Bool {
        let fileAttribute = KMFileAttribute()
        fileAttribute.filePath = (self.pdfDocument?.documentURL.path)!
        fileAttribute.bAllPage = false
        fileAttribute.pagesString = self.pageRangeComboBox.stringValue
        
        if fileAttribute.fetchSelectPages().count == 0 {
            return false
        }
        return true
    }
    
    @objc func controlTextDidEndEditing(_ obj: Notification) {
        if obj.object as? NSComboBox == self.fontSizeCombobox {
            self.watermark.textFontSize = CGFloat(Int(self.fontSizeCombobox.stringValue) ?? 0)
            if self.watermark.textFontSize == 0 {
                self.watermark.textFontSize = 48
                if self.watermark.isTilePage {
                    self.watermark.textFontSize = 18
                }
                self.fontSizeCombobox.stringValue = "\(self.watermark.textFontSize)"
            }
            self.pdfView.needsDisplay = true
        } else if obj.object as? NSTextField == self.ratioTextField {
            let formatter = self.ratioTextField.formatter as? NumberFormatter
            let floatValue = formatter?.number(from: self.ratioTextField.stringValue)?.floatValue ?? 0
            self.ratioStepper.doubleValue = Double(self.watermark.scale)
            self.pdfView.needsDisplay = true
        } else if obj.object as? NSTextField == self.angleTextF {
            self.watermark.rotation = CGFloat(Int(self.angleTextF.stringValue) ?? 0)
            self.angleStepper.doubleValue = self.watermark.rotation
            self.checkAngle()
            self.pdfView.needsDisplay = true
        } else if obj.object as? NSTextField == self.alphaTextField {
            let formatter = self.alphaTextField.formatter as? NumberFormatter
            let floatValue = formatter?.number(from: self.alphaTextField.stringValue)?.floatValue ?? 0
            self.alphaSlider.doubleValue = Double(self.watermark.opacity)
            self.alphaStepper.doubleValue = Double(self.watermark.opacity)
            self.pdfView.needsDisplay = true
        } else if obj.object as? NSComboBox == self.pageRangeComboBox {
            if self.pageRangeComboBox.indexOfSelectedItem == -1 {
                if !self.checkPageRangeValidate(self.pageRangeComboBox.stringValue) {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = "\(String(describing: self.pdfDocument?.documentURL.lastPathComponent)) \(NSLocalizedString("Invalid page range or the page number is out of range. Please try again.", comment: ""))"
                    alert.runModal()
                    self.window?.makeFirstResponder(self.pageRangeComboBox)
                    return
                } else {
                    self.watermark.pagesString = self.pageRangeComboBox.stringValue
                    self.pdfView.needsDisplay = true
                }
            }
        } else if obj.object as? NSTextField == self.verticalFapTextField {
            self.watermark.verticalSpace = CGFloat(Int(self.verticalFapTextField.stringValue) ?? 0)
            self.verticalGapStepper.doubleValue = Double(self.watermark.verticalSpace)
            self.pdfView.needsDisplay = true
        } else if obj.object as? NSTextField == self.horizentalGapTextField {
            self.watermark.horizontalSpace = CGFloat(Int(self.horizentalGapTextField.stringValue) ?? 0)
            self.horizentalGapStepper.doubleValue = Double(self.watermark.horizontalSpace)
            self.pdfView.needsDisplay = true
        } else if obj.object as? NSTextField == self.currentPageIndexTextF {
            self.pdfView.go(toPageIndex: (Int(self.currentPageIndexTextF.stringValue) ?? 0 - 1), animated: false)
        } else if obj.object as? NSTextField == self.spacingHorTextField {
            self.watermark.tileHorizontalSpace = CGFloat(Int(self.spacingHorTextField.stringValue) ?? 0)
            self.spacingHorStepper.doubleValue = Double(self.watermark.tileHorizontalSpace)
            self.pdfView.needsDisplay = true
        } else if obj.object as? NSTextField == self.spacingVerTextField {
            self.watermark.tileVerticalSpace = CGFloat(Int(self.spacingVerTextField.stringValue) ?? 0)
            self.spacingStepper.doubleValue = Double(self.watermark.tileVerticalSpace)
            self.pdfView.needsDisplay = true
        }
    }
    
    @objc func comboBoxSelectionDidChange(_ notification: Notification) {
        if notification.object as? NSComboBox == self.pageRangeComboBox {
            self.pageRangeComboBox.isEditable = false
            if self.pageRangeComboBox.indexOfSelectedItem == 0 {
                self.watermark.pageRangeType = .all
            } else if self.pageRangeComboBox.indexOfSelectedItem == 1 {
                self.watermark.pageRangeType = .odd
            } else if self.pageRangeComboBox.indexOfSelectedItem == 2 {
                self.watermark.pageRangeType = .even
            } else {
                self.watermark.pageRangeType = .other
                self.pageRangeComboBox.stringValue = ""
                self.pageRangeComboBox.isEditable = true
                self.window?.makeFirstResponder(self.pageRangeComboBox)
            }
        }
    }
    
    @objc func textDidChange(_ notification: Notification) {
        if notification.object as? NSTextView == self.watermarkStringTextView {
            self.watermark.text = self.watermarkStringTextView.string
            self.applyButton.isEnabled = !self.watermark.text.isEmpty
            self.batchButton.isEnabled = !self.watermark.text.isEmpty
            self.pdfView.needsDisplay = true
        }
    }
    
    func isDamageImage(_ image: NSImage?, imagePath path: String) -> Bool {
        let addImageAnnotation = (NSSearchPathForDirectoriesInDomains(.applicationSupportDirectory, .userDomainMask, true).last! as NSString).appendingPathComponent(Bundle.main.bundleIdentifier!)
        if !FileManager.default.fileExists(atPath: addImageAnnotation) {
            try? FileManager.default.createDirectory(atPath: addImageAnnotation, withIntermediateDirectories: false, attributes: nil)
        }
        
        let data = image?.tiffRepresentation
        let imageRep = NSBitmapImageRep(data: data!)
        imageRep?.size = image?.size ?? NSSize.zero
        var imageData: Data?
        if path.lowercased() == "png" {
            imageData = imageRep?.representation(using: .png, properties: [:])
        } else {
            imageData = imageRep?.representation(using: .jpeg, properties: [:])
        }
        
        let rPath = (addImageAnnotation as NSString).appendingPathComponent("waterAnnotation.png")
        if ((try? imageData?.write(to: URL(fileURLWithPath: rPath), options: .atomic)) == nil) {
            return true
        } else {
            return false
        }
    }
    
    func tagString() -> String {
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "yyMMddHHmmss"
        return "\(dateFormatter.string(from: Date()))\(arc4random() % 10000)"
    }
    
    // MARK: - Action
    
    // NSNotification
    @objc func pageChangeNotification(_ notification: Notification) {
        currentPageIndexTextF.stringValue = pdfView.currentPage().label ?? ""
    }
    
    // 开始转圈，隐藏转圈提示
    func showWaitting() {
        if maskView == nil {
            maskView = KMBookletMaskView(frame: NSRect(x: 0, y: 0, width: window?.frame.size.width ?? 0, height: window?.frame.size.height ?? 0))
        }
        window?.contentView?.addSubview(maskView!)
    }
    
    func hideWaitting() {
        maskView?.removeFromSuperview()
    }
    
    override func mouseDown(with event: NSEvent) {
        super.mouseDown(with: event)
        window?.makeFirstResponder(nil)
    }
}

extension KMWatermarkView {
    @IBAction func buttonClicked_SwitchTextWatermark(_ sender: Any) {
        currentType = 0
        changeTypeBoxState(isTextWatermark: true)
    }
    
    @IBAction func buttonClicked_SwitchFileWaterMark(_ sender: Any) {
        currentType = 1
        changeTypeBoxState(isTextWatermark: false)
    }
    
    @IBAction func buttonClicked_BrowseFile(_ sender: Any) {
        let openPanel = NSOpenPanel()
        openPanel.canChooseDirectories = false
        openPanel.canChooseFiles = true
        openPanel.allowsMultipleSelection = false
        openPanel.allowedFileTypes = ["jpg", "jpeg", "png", "pdf"]
        
        openPanel.beginSheetModal(for: window!) { (result) in
            if result == NSApplication.ModalResponse.OK {
                guard let url = openPanel.url else { return }
                let filePath = url.path
                
                if filePath.extension.lowercased() == "pdf" {
                    let pdf = CPDFDocument(url: url)
                    guard !pdf!.isEncrypted else { return }
                    
                    self.showWaitting()
                    
                    let convert = KMPDFConvert()
                    convert.convertType = .png
                    convert.filePath = url.path
                    convert.pages = [1]
                    convert.outputFolderPath = (NSSearchPathForDirectoriesInDomains(.applicationSupportDirectory, .userDomainMask, true).last! as NSString).appendingPathComponent(Bundle.main.bundleIdentifier!)
                    convert.outputFileName = "pdfConvertPng"
                    
                    KMPDFConvertManager.defaultManager.convert(convert: convert, completion: { (finished, error) in
                        self.hideWaitting()
                        if finished {
                            let outputFilePath = convert.outputFilePath
                            if FileManager.default.fileExists(atPath: outputFilePath) {
                                let fimagePath = (try? FileManager.default.subpaths(atPath: outputFilePath))?.first
                                let pdfPath = convert.outputFilePath + "/" + fimagePath!
                                var newPath = (convert.outputFolderPath as NSString).appendingPathComponent(self.tagString())
                                newPath = (newPath as NSString).appendingPathComponent(((url.path as NSString).lastPathComponent as NSString).deletingPathExtension + ".png")
                                
                                do {
                                    try FileManager.default.copyItem(atPath: pdfPath, toPath: newPath)
                                    try FileManager.default.removeItem(atPath: convert.outputFilePath)
                                } catch {
                                    print(error.localizedDescription)
                                }
                                
                                let image = NSImage(contentsOfFile: pdfPath)
                                if self.isDamageImage(image, imagePath: pdfPath) {
                                    let alert = NSAlert()
                                    alert.alertStyle = .critical
                                    alert.messageText = "The file \"\(url.lastPathComponent)\" could not be opened."
                                    alert.informativeText = "It may be damaged or use a file format that PDF Reader Pro doesn’t recognize."
                                    alert.addButton(withTitle: "Cancel")
                                    alert.beginSheetModal(for: NSApp.mainWindow!) { (response) in
                                        if response == NSApplication.ModalResponse.alertFirstButtonReturn {
                                            // Cancel button clicked
                                        }
                                    }
                                    return
                                }
                                
                                self.filePathLabel.stringValue = url.path
                                self.watermark.imagePath = pdfPath
                                self.watermark.image = NSImage(contentsOfFile: pdfPath)
                                self.watermark.text = ""
                                self.templateNameTextField.stringValue = self.watermark.watermarkID
                                self.applyButton.isEnabled = true
                                self.batchButton.isEnabled = true
                                self.pdfView.setNeedsDisplay(NSRect.zero)
                            }
                        }
                    })
                } else {
                    let image = NSImage(contentsOfFile: url.path)
                    if self.isDamageImage(image, imagePath: url.path) {
                        let alert = NSAlert()
                        alert.alertStyle = .critical
                        alert.messageText = "The file \"\(url.lastPathComponent)\" could not be opened."
                        alert.informativeText = "It may be damaged or use a file format that PDF Reader Pro doesn’t recognize."
                        alert.addButton(withTitle: "Cancel")
                        alert.beginSheetModal(for: NSApp.mainWindow!) { (response) in
                            if response == NSApplication.ModalResponse.alertFirstButtonReturn {
                                // Cancel button clicked
                            }
                        }
                        return
                    }
                    
                    self.filePathLabel.stringValue = url.path
                    self.watermark.imagePath = url.path
                    self.watermark.image = NSImage(contentsOfFile: url.path)
                    self.watermark.text = ""
                    self.templateNameTextField.stringValue = self.watermark.watermarkID
                    self.applyButton.isEnabled = true
                    self.batchButton.isEnabled = true
                    self.pdfView.setNeedsDisplay(NSRect.zero)
                }
            }
        }
    }
    
    @IBAction func buttonClicked_Batch(_ sender: Any) {
        let needSave = saveToTemplateButton.state == .on
        
        if needSave {
            if templateNameTextField.stringValue.isEmpty {
                self.watermark.watermarkID = templateNameTextField.stringValue
            } else {
                self.watermark.watermarkID = KMWatermarkManager.defaultManager.fetchAvailableName()
            }
            
            let result = KMWatermarkManager.defaultManager.addWatermark(watermark: self.watermark)
            if !result {
                return
            }
        }
        
        if let operateCallBack = self.operateCallBack {
            operateCallBack(self.watermark, currentType)
        }
        
        self.cancelAction?(self)
    }
    
    @IBAction func buttonClicked_Cancel(_ sender: Any) {
        self.cancelAction?(self)
    }
    
    @IBAction func buttonClicked_Done(_ sender: Any) {
        if checkPageRangeValidate(pageRangeComboBox.stringValue) {
            self.watermark.pagesString = pageRangeComboBox.stringValue
            pdfView.needsDisplay = true
        }
        
        if self.watermark.pagesString == nil || self.watermark.pagesString!.isEmpty {
            let alert = NSAlert()
            alert.alertStyle = .critical
            alert.messageText = "\(self.pdfDocument?.documentURL.lastPathComponent) Invalid page range or the page number is out of range. Please try again."
            alert.runModal()
            return
        } else {
            window?.makeFirstResponder(nil)
        }
        
        let needSave = saveToTemplateButton.state == .on
        
        if self.watermark.imagePath == nil {
            if self.watermark.text.isEmpty {
                return
            }
        }
        
        if self.type == .edit || self.type == .add {
            if needSave {
                if self.templateNameTextField.stringValue.isEmpty {
                    self.watermark.watermarkID = KMWatermarkManager.defaultManager.fetchAvailableName()
                } else {
                    self.watermark.watermarkID = self.templateNameTextField.stringValue
                }
                
                if KMWatermarkManager.defaultManager.watermarks.contains(self.originalWatermark) {
                    KMWatermarkManager.defaultManager.removeWatermark(watermark: self.originalWatermark)
                    KMWatermarkManager.defaultManager.addWatermark(watermark: self.watermark)
                } else {
                    KMWatermarkManager.defaultManager.addWatermark(watermark: self.watermark)
                }
            }
            
            if let operateCallBack = self.operateCallBack {
                operateCallBack(self.watermark, currentType)
            }
            
            self.cancelAction?(self)
        } else if self.type == .use {
            let fileName = "\(self.pdfDocument?.documentURL.lastPathComponent.deletingPathExtension ?? "Untitled")_Watermark"
            let savePanelAccessoryViewController = KMSavePanelAccessoryController()
            let savePanel = NSSavePanel()
            savePanel.nameFieldStringValue = fileName
            savePanel.allowedFileTypes = ["pdf"]
            savePanel.accessoryView = savePanelAccessoryViewController.view
            
//            savePanel.beginSheetModal(for: self.window!) { (result) in
//                if result == NSApplication.ModalResponse.OK {
//                    savePanelAccessoryViewController.retain()
//                    let document = CPDFDocument(url: self.pdfdocument?.documentURL)
//                    if let password = self.password {
//                        document?.unlock(withPassword: password)
//                    }
//
//                    KMWatermarkManager.defaultManager
//                    let obj = KMPDFWatermarkObject(pdfDocument: document)
//                    obj?.addWatermark(self.watermark, toPath: savePanel.url!.path, completionHandler: { (isSuccessfully) in
//                        DispatchQueue.main.async {
//                            savePanelAccessoryViewController.release()
//
//                            if isSuccessfully {
//                                if savePanelAccessoryViewController.openAutomaticButton.state == .on {
//                                    NSDocumentController.shared.openDocument(withContentsOf: savePanel.url!, display: true) { (document, documentWasAlreadyOpen, error) in
//                                        // Handle the completion if needed
//                                    }
//                                    self.dismissSheet(sender)
//                                } else {
//                                    NSWorkspace.shared.activateFileViewer(selecting: [savePanel.url!])
//                                    self.dismissSheet(sender)
//                                }
//                            }
//                        }
//                    })
//
//                    if needSave {
//                        if self.templateNameTextField.stringValue.isEmpty {
//                            self.watermark.watermarkID = KMWatermarkManager.defaultManager().fetchAvailableName()
//                        } else {
//                            self.watermark.watermarkID = self.templateNameTextField.stringValue
//                        }
//
//                        if KMWatermarkManager.defaultManager().watermarks.contains(self.originalWatermark) {
//                            KMWatermarkManager.defaultManager().removeWatermark(withData: self.originalWatermark)
//                            KMWatermarkManager.defaultManager().addWatermark(withData: self.watermark)
//                        } else {
//                            KMWatermarkManager.defaultManager().addWatermark(withData: self.watermark)
//                        }
//
//                        NotificationCenter.default.post(name: NSNotification.Name("KMBatchOperateWatermarksNotification"), object: self)
//                    }
//                }
//
//                savePanelAccessoryViewController.release()
//            }
        }
    }
    
    @IBAction func colorWellColorChanged(_ sender: NSColorWell) {
        self.watermark.waterTextColor = sender.color
        pdfView.needsDisplay = true
    }
    
    @IBAction func radioStepperAction(_ sender: NSStepper) {
        self.ratioTextField.stringValue = "\(Int(sender.doubleValue * 100))%"
        self.watermark.scale = sender.doubleValue
        pdfView.needsDisplay = true
    }
    
    @IBAction func angleStepperAction(_ sender: NSStepper) {
        self.angleTextF.stringValue = "\(sender.doubleValue)"
        self.watermark.rotation = sender.doubleValue
        checkAngle()
        pdfView.needsDisplay = true
    }
    
    @IBAction func alphaSliderAction(_ sender: NSSlider) {
        self.watermark.opacity = sender.doubleValue
        self.alphaStepper.doubleValue = sender.doubleValue
        self.alphaTextField.stringValue = "\(Int(sender.doubleValue * 100))%"
        pdfView.needsDisplay = true
    }
    
    @IBAction func verticalStepperAction(_ sender: NSStepper) {
        self.verticalFapTextField.stringValue = "\(sender.doubleValue)"
        self.watermark.verticalSpace = sender.doubleValue
        pdfView.needsDisplay = true
    }
    
    @IBAction func tileVerticalStepperAction(_ sender: NSStepper) {
        self.watermark.tileVerticalSpace = sender.doubleValue
        self.spacingVerTextField.stringValue = "\(sender.doubleValue)"
        self.watermark.tileVerticalSpace = sender.doubleValue
        pdfView.needsDisplay = true
    }
    
    @IBAction func horizentalStepperAction(_ sender: NSStepper) {
        self.watermark.horizontalSpace = sender.doubleValue
        self.horizentalGapTextField.stringValue = "\(sender.doubleValue)"
        self.watermark.horizontalSpace = sender.doubleValue
        pdfView.needsDisplay = true
    }
    
    @IBAction func tileHorizentalStepperAction(_ sender: NSStepper) {
        self.watermark.tileHorizontalSpace = sender.doubleValue
        self.spacingHorTextField.stringValue = "\(sender.doubleValue)"
        self.watermark.tileHorizontalSpace = sender.doubleValue
        pdfView.needsDisplay = true
    }
    
    @IBAction func alphaSteperAction(_ sender: NSStepper) {
        self.alphaTextField.stringValue = "\(Int(sender.doubleValue * 100))%"
        self.watermark.opacity = sender.doubleValue
        self.alphaSlider.doubleValue = sender.doubleValue
        pdfView.needsDisplay = true
    }
    
    @IBAction func onPageButtonAction(_ sender: Any) {
        self.backPageButton.state = .off
        self.watermark.isFront = true
        pdfView.needsDisplay = true
    }
    
    @IBAction func backPageButtonAction(_ sender: Any) {
        self.OnPageButton.state = .off
        self.watermark.isFront = false
        pdfView.needsDisplay = true
    }
    
    @IBAction func onPageTileButtonAction(_ sender: Any) {
        self.watermark.isTilePage = !self.watermark.isTilePage
        
        if self.type != .edit && !self.fontModified && self.txtButton.state == .on {
            if self.watermark.isTilePage {
                self.isTileWater.state = .on
                self.fontSizeCombobox.stringValue = "\(self.watermark.textFontSize == 48 ? 18 : self.watermark.textFontSize)"
                self.watermark.textFontSize = CGFloat(Int(self.fontSizeCombobox.stringValue) ?? 0)
            } else {
                self.isTileWater.state = .off
                self.fontSizeCombobox.stringValue = "\(self.watermark.textFontSize == 18 ? 48 : self.watermark.textFontSize)"
                self.watermark.textFontSize = CGFloat(Int(self.fontSizeCombobox.stringValue) ?? 0)
            }
        }
        
        self.spacingHorTextField.isEnabled = self.watermark.isTilePage
        self.spacingHorStepper.isEnabled = self.watermark.isTilePage
        self.spacingVerTextField.isEnabled = self.watermark.isTilePage
        self.spacingStepper.isEnabled = self.watermark.isTilePage
        
        pdfView.needsDisplay = true
    }
    
    @IBAction func goPrevious(_ sender: Any) {
        if pdfView.canGoToPreviousPage() {
            pdfView.goToPreviousPage(sender)
        }
        let index = pdfDocument?.index(for: pdfView.currentPage())
        currentPageIndexTextF.stringValue = "\(index! + 1)"
    }
    
    @IBAction func goNext(_ sender: Any) {
        if pdfView.canGoToNextPage() {
            pdfView.goToNextPage(sender)
        }
        
        let index = pdfDocument!.index(for: pdfView.currentPage())
        currentPageIndexTextF.stringValue = "\(index + 1)"
    }
    
    @IBAction func fontSizeComboxAction(_ sender: NSComboBox) {
        watermark.textFontSize = CGFloat(Int(fontSizeCombobox.stringValue) ?? 0)
        fontModified = true
        pdfView.needsDisplay = true
    }
    
    @IBAction func pageRangeComboxAction(_ sender: Any) {
        pageRangeComboBox.isEditable = false
        var pages = [Int]()
        
        switch pageRangeComboBox.indexOfSelectedItem {
        case 0:
            for i in 0..<pdfDocument!.pageCount {
                pages.append(Int(i))
            }
            watermark.pageRangeType = .all
        case 1:
            for i in 0..<pdfDocument!.pageCount where i % 2 == 0 {
                pages.append(Int(i))
            }
            watermark.pageRangeType = .odd
        case 2:
            for i in 0..<pdfDocument!.pageCount where i % 2 != 0 {
                pages.append(Int(i))
            }
            watermark.pageRangeType = .even
        default:
            let fileAttribute = KMFileAttribute()
            fileAttribute.filePath = pdfDocument?.documentURL?.path ?? ""
            fileAttribute.bAllPage = false
            fileAttribute.pagesString = pageRangeComboBox.stringValue
            watermark.pageRangeType = .other
            pageRangeComboBox.isEditable = true
            window?.makeFirstResponder(pageRangeComboBox)
            
            let selectPages = fileAttribute.fetchSelectPages()
            pages = selectPages.map { $0.intValue - 1 }
        }
        
        if !pages.isEmpty {
            watermark.pagesString = pages.map { "\($0)" }.joined(separator: ",")
        } else {
            watermark.pagesString = nil
        }
        
        pdfView.needsDisplay = true
    }
}