PDF_Office/PDF Office/PDF Master/Class/Home/ViewController/KMHomeViewController+Action.swift

//
//  KMHomeViewController+Action.swift
//  PDF Master
//
//  Created by wanjun on 2022/10/13.
//

import Foundation

extension KMHomeViewController: NSMenuItemValidation {
    func validateMenuItem(_ menuItem: NSMenuItem) -> Bool {
        if (menuItem.action == #selector(menuItemAction_currentWindowName)) {
            menuItem.title = NSLocalizedString("Home", comment: "")
            return true
        }

        if (menuItem.action == #selector(menuItemAction_showForwardTagPage) ||
            menuItem.action == #selector(menuItemAction_showNextTagPage)) {
            if (self.myDocument != nil && (self.myDocument is KMMainDocument)) {
                let browser = (self.myDocument as! KMMainDocument).browser
                if (menuItem.action == #selector(menuItemAction_showForwardTagPage)) {
                    return (browser as! KMBrowser).canSelectPreviousTab()
                }
                if (menuItem.action == #selector(menuItemAction_showNextTagPage)) {
                    return (browser as! KMBrowser).canSelectNextTab()
                }
            }
        }
        if (menuItem.action == #selector(menuItemAction_mergeAllWindow)) {
            if let _browserWindowC = ((self.myDocument as? KMMainDocument)?.browser.windowController as? KMBrowserWindowController) {
                return _browserWindowC.canMergeAllWindow()
            }
        }
        return true
    }
}

extension KMHomeViewController {
    
    // MARK: Action
    
    @objc func homeToolAction(_ sender: NSButton) -> Void {
        if sender == homeButtonVC.button {
            homeToolAction(homeToolState: KMHomeToolState.Home)
        } else if sender == pdfToolsButtonVC.button {
            homeToolAction(homeToolState: KMHomeToolState.PDFTools)
        } else if sender == cloudDocumentsButtonVC.button {
            homeToolAction(homeToolState: KMHomeToolState.CloudDocuments)
        } else if sender == openPDFButtonVC.button {
            homeToolAction(homeToolState: KMHomeToolState.OpenPDF)
        } else if sender == createPDFButtonVC.button {
            openSupportPDFButtonAction()
        } else if sender == createPDFImage.button {
            homeToolAction(homeToolState: KMHomeToolState.CreatePDF)
        }
    }
    
    func homeToolAction(homeToolState: KMHomeToolState) {
        switch homeToolState {
        case .OpenPDF:
            openPDFButtonAction()
            break
        case .CreatePDF:
            
            break
        case .Home:
            homeButtonAction()
            break
        case .PDFTools:
            pdfToolsButtonAction()
            break
        case .FavoriteDocuments:
            favoriteDocumentsButtonAction()
            break
        case .CloudDocuments:
            cloudDocumentsButtonAction()
            break
        default:
            KMPrint("error: 错误的传入枚举")
            break
        }
    }
    
    func fastToolItemAction(_ type: DataNavigationViewButtonActionType) {
        print("fastToolItemAction + \(type.rawValue)")
        switch type {
        case .Batch:
            fastTool_Batch()
            break
        case .OCR:
            fastTool_OCR()
            break
        case .ConvertPDF:
            fastTool_ConvertPDF()
            break
        case .ImageToPDF:
            fastTool_ImageToPDF()
            break
        case .MergePDF:
            fastTool_MergePDF()
            break
        case .Compression:
            fastTool_Compression()
            break
        case .Security:
            fastTool_Security()
            break
        case .FileCompare:
            fastTool_FileCompare()
            break
        case .PDFToPPT:
            fastTool_PDFToPPT()
            break
        case .PDFToExcel:
            fastTool_PDFToExcel()
            break
        case .PDFToWord:
            fastTool_PDFToWord()
            break
        case .PDFToImage:
            fastTool_PDFToImage()
            break
        case .Watermark:
            fastTool_Watermark()
            break
        case .Background:
            fastTool_Background()
            break
        case .HeaderAndFooter:
            fastTool_HeaderAndFooter()
            break
        case .BatesCode:
            fastTool_BatesCode()
            break
        case .Print:
            fastTool_Print()
            break
        case .BatchRemove:
            fastTool_BatchRemove()
            break
        case .Insert:
            fastTool_Insert()
            break
        case .BreakUp:
            fastTool_BreakUp()
            break
        case .Extract:
            fastTool_Extract()
            break
        case .MarkCipher:
            fastTool_MarkCipher()
            break
        case .AutomaticFormRecognition:
            fastTool_AutomaticFormRecognition()
            break
        case .PageEdit:
            fastTool_PageEdit()
            break
        case .ComparativeTable:
            fastTool_FileCompare()
            break
        case .equity:
            break
        case .PrintMultipage:
            break
        case .PrintPoster:
            break
        case .PrintBooklet:
            break
        }
    }
    
    func openPDFButtonAction() {
        NSPanel.km_open_pdf_multi_success(self.view.window!, panel: nil) { urls in
            for url in urls {
                NSDocumentController.shared.km_safe_openDocument(withContentsOf: url, display: true) { _, _, _ in
                    
                }
            }
        }
    }
    
    func openSupportPDFButtonAction() {
        var window = self.view.window
        if (window == nil) {
            window = NSApp.mainWindow
        }
        NSOpenPanel.km_open_multi(window!) { panel in
//            if let data = KMConvertPDFManager.supportFileType() as? [String], !data.isEmpty {
            panel.allowedFileTypes = KMTools.pdfExtensions + KMConvertPDFManager.supportFileType()
//            } else {
//                panel.allowedFileTypes = KMTools.pdfExtensions + KMTools.imageExtensions
//            }
        } completion: { [weak self] result , urls in
            if result == .OK {
                var imageUrl: [URL] = []
                for url in urls! {
                    let type = url.pathExtension.lowercased()
                    if (type == "pdf" || type == "PDF") {
                        NSDocumentController.shared.km_safe_openDocument(withContentsOf: url, display: true) { _, _, _ in
                            
                        }
                    } else if (type == "jpg") ||
                                (type == "cur") ||
                                (type == "bmp") ||
                                (type == "jpeg") ||
                                (type == "gif") ||
                                (type == "png") ||
                                (type == "tiff") ||
                                (type == "tif") ||
                                (type == "ico") ||
                                (type == "icns") ||
                                (type == "tga") ||
                                (type == "psd") ||
                                (type == "eps") ||
                                (type == "hdr") ||
                                (type == "jp2") ||
                                (type == "jpc") ||
                                (type == "pict") ||
                                (type == "sgi") ||
                                (type == "heic") {
                        self?.openImageFile(url: url)
                    } else if (type == "doc") ||
                                (type == "docx") ||
                                (type == "xls") ||
                                (type == "xlsx") ||
                                (type == "ppt") ||
                                (type == "pptx") ||
                                (type == "pptx") {
                        self?.openOfficeFile(url: url)
                    }
                }
            }
        }
    }
    
    func homeButtonAction() {
        refreshRightBoxUI(.Home)
    }
    
    func pdfToolsButtonAction() {
        refreshRightBoxUI(.PDFTools)
    }
    
    func favoriteDocumentsButtonAction() {
        KMPrint("Favorite Documents")
    }
    
    func cloudDocumentsButtonAction() {
        refreshRightBoxUI(.CloudDocuments)
    }
    
    func productPromotionClickAction(_ name: NSString) {
        var httpString: NSString = ""
        if name.isEqual(to: "Windows") {
            httpString = "https://www.pdfreaderpro.com/windows?utm_source=MacApp&utm_campaign=PDFProMac&utm_medium=pdfmac_promo"
        } else if name.isEqual(to: "iPhone / iPad") {
#if VERSION_FREE
#if VERSION_DMG
            httpString = "https://www.pdfreaderpro.com/product?utm_source=MacAppDmg&utm_campaign=ProductLinkLeftNav&utm_medium=PdfProduct"
#else
            httpString = "https://www.pdfreaderpro.com/product?utm_source=MacAppLite&utm_campaign=ProductLinkLeftNav&utm_medium=PdfProduct"
#endif
#else
            httpString = "https://www.pdfreaderpro.com/product?utm_source=MacApp&utm_campaign=ProductLinkLeftNav&utm_medium=PdfProduct"
#endif
        } else if name.isEqual(to: "Android") {
            httpString = "https://www.pdfreaderpro.com/pdfreaderpro-android?utm_source=MacAppDmg&utm_campaign=AndroidLink&utm_medium=PdfAndroid"
        } else if name.isEqual(to: "ComPDFKit") {
            httpString = "https://www.compdf.com?utm_source=macapp&utm_medium=pdfmac&utm_campaign=compdfkit-promp"
        } else if name.isEqual(to: "ComVideoKit") {
            httpString = "https://www.filmagepro.com/video-sdk?utm_source=macapp&utm_medium=pdfmac&utm_campaign=comvideosdk-promo"
        } else if name.isEqual(to: "SignFlow") {
            httpString = "https://apps.apple.com/app/apple-store/id1584624017?pt=118745145&ct=pdfmac-promo&mt=8"
        } else if name.isEqual(to: "FiImage Editor") {
            httpString = "https://apps.apple.com/app/apple-store/id1475051178?pt=118745145&ct=pdfmac-promo&mt=8"
        } else if name.isEqual(to: "FiImage Screen") {
            httpString = "https://apps.apple.com/app/apple-store/id1475049179?pt=118745145&ct=pdfmac-promo&mt=8"
        } else if name.isEqual(to: "Free PDF Templates") {
            httpString = "https://www.pdfreaderpro.com/templates?utm_source=MacApp&utm_campaign=PDFProMac&utm_medium=pdfmac_promo"
        }
        self.workSpaceOpenUrl(httpString)
    }
    
    func historyFile(deleteDocuments indexPaths: [URL]) {
        if UserDefaults.standard.bool(forKey: "kHistoryDeleteNOReminderKey") {
            historyFileDeleteAction(indexPaths)
        } else {
            let historyFileDeleteVC: KMHistoryFileDeleteWindowController = KMHistoryFileDeleteWindowController.init(windowNibName: NSNib.Name("KMHistoryFileDeleteWindowController"))
            historyFileDeleteVC.indexPaths = indexPaths
            self.currentWindowController = historyFileDeleteVC
            historyFileDeleteVC.deleteCallback = { [weak self](indexPaths: [URL], windowController: KMHistoryFileDeleteWindowController) -> Void in
                if self != nil {
                    self?.currentWindowController = nil
                    self!.historyFileDeleteAction(indexPaths)
                }
            }
            self.view.window?.beginSheet(historyFileDeleteVC.window!)
        }
    }
    
    func historyFileDeleteAction(_ indexPaths: [URL]) -> Void {
        let urls: Array<URL> = NSDocumentController.shared.recentDocumentURLs
        NSDocumentController.shared.clearRecentDocuments(nil)
        DispatchQueue.main.asyncAfter(deadline: .now()) { [self] in
            for (_, url) in urls.enumerated() {
                if !indexPaths.contains(url) {
                    NSDocumentController.shared.noteNewRecentDocumentURL(url)
                }
            }
            
            self.homeContentView.historyListView.reloadData()
        }
    }
    
    func openHistoryFilePath(url: URL) -> Void {
        if !url.path.isPDFValid() {
            let alert = NSAlert()
            alert.alertStyle = .critical
            alert.messageText = NSLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", comment: "")
            alert.beginSheetModal(for: view.window!) { [unowned self] result in
                self.homeContentView.historyListView.reloadData()
//                self.historyFileViewController.reloadData()
            }
            return
        }

        if url.pathExtension.lowercased() == "pdf" {
            let pdfDoc = CPDFDocument.init(url: url)
            if pdfDoc != nil {
                let document = NSDocumentController.shared.document(for: url)
                var alreadyOpen = false
                for openDocument in NSDocumentController.shared.documents {
                    if document == openDocument {
                        alreadyOpen = true
                    }
                }
                if !alreadyOpen {
                    KMMainDocument().tryToUnlockDocument(pdfDoc!)
                    var selectDocument: KMMainDocument? = nil
                    if ((document?.isKind(of: KMMainDocument.self)) != nil) {
                        selectDocument = (document as! KMMainDocument)
                    }
                    if selectDocument != nil {
                        let currentIndex = selectDocument?.browser.tabStripModel.index(of: selectDocument)
                        selectDocument?.browser.tabStripModel.selectTabContents(at: Int32(currentIndex!), userGesture: true)
                        if (selectDocument?.browser.window.isVisible)! as Bool {
                            selectDocument?.browser.window.orderFront(nil)
                        } else if (selectDocument?.browser.window.isMiniaturized)! as Bool {
                            selectDocument?.browser.window.orderFront(nil)
                        }
                    } else {
                        NSDocumentController.shared.km_safe_openDocument(withContentsOf: url, display: true) { _, _, _ in
                            
                        }
                    }
                } else {
                    var selectDocument: KMMainDocument? = nil
                    if ((document?.isKind(of: KMMainDocument.self)) != nil) {
                        selectDocument = (document as! KMMainDocument)
                    }
                    if selectDocument != nil {
                        if selectDocument?.browser != nil {
                            let currentIndex = selectDocument?.browser.tabStripModel.index(of: selectDocument)
                            selectDocument?.browser.tabStripModel.selectTabContents(at: Int32(currentIndex!), userGesture: true)
                            if (selectDocument?.browser.window.isVisible)! as Bool {
                                selectDocument?.browser.window.orderFront(nil)
                            } else if (selectDocument?.browser.window.isMiniaturized)! as Bool {
                                selectDocument?.browser.window.orderFront(nil)
                            }
                        }
                    } else {
                        NSDocumentController.shared.km_safe_openDocument(withContentsOf: url, display: true) { _, _, _ in
                            
                        }
                    }
                }
            } else {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = NSLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", comment: "")
                alert.beginSheetModal(for: view.window!) { [unowned self] result in
                    self.homeContentView.historyListView.reloadData()
//                    self.historyFileViewController.reloadData()
                }
            }
        } else {
            NSWorkspace.shared.open(url)
        }
    }
    
    func openFile(withFilePath path: URL) -> Void {
        let type = path.pathExtension.lowercased()
        if (type == "pdf") {
            if !path.path.isPDFValid() {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = NSLocalizedString("This file format is not supported, please drag in PDF, picture, Office format files", comment: "")
                alert.runModal()
                return
            }
            NSDocumentController.shared.openDocument(withContentsOf: path, display: true) { document, documentWasAlreadyOpen, error in
                if error != nil {
                    NSApp.presentError(error!)
                    return
                }
            }
        } else if (type == "jpg") ||
                  (type == "cur") ||
                  (type == "bmp") ||
                  (type == "jpeg") ||
                  (type == "gif") ||
                  (type == "png") ||
                  (type == "tiff") ||
                  (type == "tif") ||
                  (type == "ico") ||
                  (type == "icns") ||
                  (type == "tga") ||
                  (type == "psd") ||
                  (type == "eps") ||
                  (type == "hdr") ||
                  (type == "jp2") ||
                  (type == "jpc") ||
                  (type == "pict") ||
                  (type == "sgi") ||
                  (type == "heic") {
            openImageFile(url: path)
        } else if (type == "doc") ||
                  (type == "docx") ||
                  (type == "xls") ||
                  (type == "xlsx") ||
                  (type == "ppt") ||
                  (type == "pptx") ||
                  (type == "pptx") {
            let fileName: NSString = String(format: "%@.pdf", NSLocalizedString("Untitled", comment: "")) as NSString
            let savePath = fetchUniquePath(fileName.kUrlToPDFFolderPath() as String)
            openOfficeFile(url: path)
        }
        
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.homeContentView.historyListView.reloadData()
        }
    }
    
    func openImageFile(url: URL) -> Void {
        var filePath = url.path
        
        let fileName: NSString = url.lastPathComponent as NSString
        let savePath = fetchUniquePath(fileName.kUrlToPDFFolderPath() as String).deletingLastPathComponent

        let imageName = NSString(string: NSString(string: filePath).lastPathComponent).deletingPathExtension
        
        let path = self.fetchDifferentFilePath(filePath: savePath + "/" + imageName + ".pdf")
        
        if (!FileManager.default.fileExists(atPath: path.deletingLastPathComponent as String)) {
            try?FileManager.default.createDirectory(atPath: path.deletingLastPathComponent as String, withIntermediateDirectories: true, attributes: nil)
        }
        
        if (!FileManager.default.fileExists(atPath: path as String)) {
            FileManager.default.createFile(atPath: path as String, contents: nil)
        }

        let document = CPDFDocument.init()
        var success = false
        
        if NSString(string: NSString(string: filePath).lastPathComponent).pathExtension == "png" ||
           NSString(string: NSString(string: filePath).lastPathComponent).pathExtension == "PNG" {
            let jpgPath = self.fetchDifferentFilePath(filePath: savePath + "/" + imageName + ".jpg")
            if (!FileManager.default.fileExists(atPath: jpgPath as String)) {
                FileManager.default.createFile(atPath: jpgPath as String, contents: nil)
            }

            // 加载 PNG 图像
            guard let pngImage = NSImage(contentsOfFile: filePath) else {
                KMPrint("Failed to load PNG image")
                return
            }

            // 创建 NSBitmapImageRep 对象，并将 PNG 图像绘制到其中
            let bitmap = NSBitmapImageRep(data: pngImage.tiffRepresentation!)
            let rect = NSRect(origin: .zero, size: bitmap!.size)
            bitmap?.draw(in: rect)

            // 将 PNG 图像数据转换为 JPG 图像数据
            guard let jpgData = bitmap?.representation(using: .jpeg, properties: [:]) else {
                KMPrint("Failed to convert PNG to JPG")
                return
            }

            // 保存 JPG 图像数据到文件
            let fileURL = URL(fileURLWithPath: jpgPath)
            do {
                try jpgData.write(to: fileURL)
                filePath = fileURL.path
                KMPrint("JPG image saved successfully")
            } catch {
                KMPrint("Failed to save JPG image: \(error.localizedDescription)")
            }
        }

        //FIXME: 无法插入图片
        let image = NSImage(contentsOfFile: filePath)
        let insertPageSuccess = document?.insertPage(image!.size, withImage: filePath, at: document!.pageCount)
        if insertPageSuccess != nil {
            //信号量控制异步
            let semaphore = DispatchSemaphore(value: 0)
            DispatchQueue.global().async {
                success = ((document?.write(toFile: path)) != nil)
                semaphore.signal()
            }
            semaphore.wait()
        } else {
        }
        if success {
            NSDocumentController.shared.km_safe_openDocument(withContentsOf: URL(fileURLWithPath: path), display: true) { _, _, _ in
                
            }
        }
    }
    
    func openOfficeFile(url: URL) -> Void {
        let filePath = url.path
        let folderPath = "convertToPDF.pdf"
        let savePath: String? = folderPath.kUrlToPDFFolderPath() as String
        
        if (!FileManager.default.fileExists(atPath: savePath!.deletingLastPathComponent as String)) {
            try?FileManager.default.createDirectory(atPath: savePath!.deletingLastPathComponent as String, withIntermediateDirectories: true, attributes: nil)
        }
        
        if (!FileManager.default.fileExists(atPath: savePath! as String)) {
            FileManager.default.createFile(atPath: savePath! as String, contents: nil)
        }

        if savePath == nil {
            return
        }
        KMConvertPDFManager.convertFile(filePath, savePath: savePath!) { success, errorDic in
            if errorDic != nil || !success || !FileManager.default.fileExists(atPath: savePath!) {
                if FileManager.default.fileExists(atPath: savePath!) {
                    try?FileManager.default.removeItem(atPath: savePath!)
                }
                let alert = NSAlert.init()
                alert.alertStyle = .critical
                var infoString = ""
                if errorDic != nil {
                    for key in (errorDic! as Dictionary).keys {
                        infoString = infoString.appendingFormat("%@\n", errorDic![key] as! CVarArg)
                    }
                }
                alert.informativeText = NSLocalizedString("Please install Microsoft Office to create PDFs from Office files", comment: "")
                alert.messageText = NSLocalizedString("Failed to Create PDF", comment: "")
                alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                alert.runModal()
                return
            }
            
            NSDocumentController.shared.km_safe_openDocument(withContentsOf: URL(fileURLWithPath: savePath!), display: true) { _, _, _ in
                
            }
        }
    }
    
    func aiTranslation(withFilePath path: String) -> Void {
        if !KMLightMemberManager.manager.isLogin() {
            KMLoginWindowController.show(window: NSApp.mainWindow!)
            return
        }
        
        let isExceedsLimit = self.isPDFPageCountExceedsLimit(filePath: path)
        if self.isFileGreaterThan10MB(atPath: path) {
            self.aiTranslationViewController.errorView.isHidden = false
            self.aiTranslationViewController.errorLabel.stringValue = NSLocalizedString("The uploaded file size cannot exceed 10MB", comment: "")
        } else if isExceedsLimit {
            self.aiTranslationViewController.errorView.isHidden = false
            self.aiTranslationViewController.errorLabel.stringValue = NSLocalizedString("Documents cannot exceed 30 pages", comment: "")
        } else {
            let url = URL(fileURLWithPath: path)
            if (url.pathExtension == "pdf") || url.pathExtension == "PDF" {
                if !path.isPDFValid() {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", comment: "")
                    alert.runModal()
                    return
                }
            }
            let infoDictionary = Bundle .main.infoDictionary!
             let majorVersion = infoDictionary["CFBundleShortVersionString"]
            DispatchQueue.main.async {
                self.showProgressWindow()
                self.progressController?.maxValue = Double(100)
            }
            timer = Timer.scheduledTimer(timeInterval: 1.0, target: self, selector: #selector(timerTick), userInfo: nil, repeats: true)

             KMRequestServerManager.manager.aiTranslationFileUpload(file: path, version: majorVersion as! String) { [unowned self] success, result in
                 if success {
                     let result: NSDictionary = result!.result

                     let fileKey = result["fileKey"]
                     let fileName = result["fileName"]
                     let pageCount = result["pageCount"]
                     if fileKey != nil {
                         self.fileTranslateHandle(fileKey as! String)
                     }
                 } else {
                     let result: String = result!.message

                     DispatchQueue.main.async {
                         self.hiddenProgressWindow()
                         self.aiTranslationViewController.errorView.isHidden = false
                         self.aiTranslationViewController.errorLabel.stringValue = result

                     }
                 }
             }
        }
    }
    
    func fileTranslateHandle(_ fileKey: String) -> Void {
        let infoDictionary = Bundle .main.infoDictionary!
        let majorVersion = infoDictionary["CFBundleShortVersionString"]
        
        let languageArr = UserDefaults.standard.array(forKey: "KMAITranslationLanguageArrayKey1") as? [String] ?? [NSLocalizedString("Automatic", comment: ""), NSLocalizedString("English", comment: "")]
        let language1 = self.aiTranslationViewController.languageAbbreviation(languageArr[0])
        let language2 = self.aiTranslationViewController.languageAbbreviation(languageArr[1])
        
        KMRequestServerManager.manager.aiTranslationFileTranslateHandle(fileKey: fileKey, from: language1, to: language2, version: majorVersion as! String) { success, result in
            if success {
                let result: NSDictionary = result!.result

                let fileUrl: String = result["fileUrl"] as! String
                let downFileUrl: String = result["downFileUrl"] as! String
                let ossDownUrl: String = result["ossDownUrl"] as! String
                let fileName: String = result["fileName"] as! String
                let downFileName: String = result["downFileName"] as! String
                let from: String = result["from"] as! String
                let to: String = result["to"] as! String
                
                self.downloadFile(filePath: ossDownUrl, downFileName: downFileName)
            } else {
                let result: String = result!.message

                DispatchQueue.main.async {
                    self.hiddenProgressWindow()
                    
                    self.aiTranslationViewController.errorView.isHidden = false
                    self.aiTranslationViewController.errorLabel.stringValue = result
                }
            }
        }
    }
    
    func downloadFile(filePath: String, downFileName: String) -> Void {
        guard let fileURL = URL(string: filePath) else {
            let alert = NSAlert()
            alert.alertStyle = .critical
            alert.messageText = NSLocalizedString("Invalid file link", comment: "")
            alert.runModal()

            return
        }
        let destinationURL = FileManager.default.temporaryDirectory.appendingPathComponent(downFileName)
        if FileManager.default.fileExists(atPath: destinationURL.path) {
            do {
                try FileManager.default.removeItem(at: destinationURL)
                KMPrint("删除旧文件成功")
            } catch {
                KMPrint("删除旧文件失败：\(error)")
            }
        }
        let sessionConfiguration = URLSessionConfiguration.default
        let session = URLSession(configuration: sessionConfiguration)
        let downloadTask = session.downloadTask(with: fileURL) { (tempLocalURL, response, error) in
            if let error = error {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = String(format: "%@:\(error)", NSLocalizedString("Download failed", comment: ""))
                alert.runModal()
                
                return
            }

            guard let tempLocalURL = tempLocalURL else {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = NSLocalizedString("Invalid temporary directory", comment: "")
                alert.runModal()

                return
            }
            
            DispatchQueue.main.async {
                self.hiddenProgressWindow()
            }

            do {
                try FileManager.default.moveItem(at: tempLocalURL, to: destinationURL)
                
                NSDocumentController.shared.openDocument(withContentsOf: destinationURL, display: true) { document, documentWasAlreadyOpen, error in
                    if error != nil {
                        NSApp.presentError(error!)
                    } else {
                        
                    }
                }
            } catch {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = String(format: "%@:\(error)", NSLocalizedString("Failed to save file", comment: ""))
                alert.runModal()
            }
        }
        downloadTask.resume()
    }
    
    override func otherMouseDown(with event: NSEvent) {
        if historyFileViewController.selectFiles.count > 0 {
            let eventPoint = event.locationInWindow as NSPoint
            let x = eventPoint.x - 270.0
            if x >= 0 {
                let point = NSPoint(x: x, y: eventPoint.y)
                let historyPoint = historyFileViewController.historyFileCollectionView.convert(eventPoint, from: nil)
                var indexPath: IndexPath? = nil
                if historyFileViewController.showMode == .List {
                    let rowIndex = historyFileViewController.historyFileTableView.row(at: historyPoint)
                    // 查找列索引
                    let columnIndex = historyFileViewController.historyFileTableView.column(at: point)
                    // 使用行和列索引创建 indexPath
                    if rowIndex != -1 {
                        indexPath = IndexPath(item: columnIndex, section: rowIndex)
                    }
                } else {
                    indexPath = historyFileViewController.historyFileCollectionView.indexPathForItem(at: historyPoint)
                }

                if (historyFileViewController.historyFileCollectionView.frame.contains(point) ||
                    historyFileViewController.historyFileTableView.frame.contains(point) ||
                    historyFileViewController.deleteBox.frame.contains(point) ||
                    historyFileViewController.listBox.frame.contains(point) ||
                    historyFileViewController.thumbnailBox.frame.contains(point)) && indexPath != nil {
                    
                } else {
                    self.historyFileViewController.selectFiles.removeAll()
                    self.historyFileViewController.selectFiles_shift.removeAll()
                    if self.historyFileViewController.showMode == .Thumbnail {
                        self.historyFileViewController.historyFileCollectionView.reloadData()
                    } else {
                        self.historyFileViewController.historyFileTableView.reloadData()
                    }
                }
            } else {
                self.historyFileViewController.selectFiles.removeAll()
                self.historyFileViewController.selectFiles_shift.removeAll()
                if self.historyFileViewController.showMode == .Thumbnail {
                    self.historyFileViewController.historyFileCollectionView.reloadData()
                } else {
                    self.historyFileViewController.historyFileTableView.reloadData()
                }
            }
        }
    }
    
    
    
    // MARK: PDF Tools
    
    // 插入
    func insertPageAction(_ pdfDocument: CPDFDocument, _ password: String, _ pages: [CPDFPage], _ indexPage: Int) -> Void {
        if indexPage >= 0 {
            let insertPages: [CPDFPage] = pages
            for i in 0...insertPages.count-1 {
                let page = pages[i]
                
// FIXME: 待底层库修改，使用 insertPageObject 插入，插入位置变为文档最后，暂用 insertPage 代替
                pdfDocument.insertPageObject(page, at: UInt(indexPage + i))
            }
            self.savePDFDocument(pdfDocument, password: password)
        }
    }
    
    func extractPageAction(_ pdfDocument: CPDFDocument, _ pages: [CPDFPage], _ oneDocumentPerPage: Bool, _ isDeletePage: Bool) -> Void {
        
        if pages.count < 1 {
            let alert = NSAlert()
            alert.alertStyle = .critical
            alert.messageText = NSLocalizedString("Please select two or more pages first to organize.", comment:  "")
            alert.runModal()
            return
        }
        
        if !oneDocumentPerPage {
            let fileName = pdfDocument.getFileNameAccordingSelctPages(pages)
            let outputSavePanel = NSSavePanel()
            outputSavePanel.allowedFileTypes = ["pdf"]
            outputSavePanel.nameFieldStringValue = fileName
            
            outputSavePanel.beginSheetModal(for: self.view.window!) { result in
                if result == .OK {
                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                        let saveFilePath = outputSavePanel.url?.path
                        DispatchQueue.global().async {
                            var pdf = CPDFDocument.init()
                            let success = (pdf!.extractAsOneDocument(withPages: pages, savePath: saveFilePath)) as Bool
                            DispatchQueue.main.async {
                                if success {
                                    let workspace = NSWorkspace.shared
                                    let url = URL(fileURLWithPath: saveFilePath!)
                                    workspace.activateFileViewerSelecting([url])
                                    
                                    if isDeletePage {
                                        for page in pages {
                                            let indexPage = pdfDocument.index(for: page)
                                            pdfDocument.removePage(at: indexPage)
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        } else {
            let panel = NSOpenPanel()
            panel.canChooseFiles = false
            panel.canChooseDirectories = true
            panel.canCreateDirectories = true
            panel.allowsMultipleSelection = false
            panel.beginSheetModal(for: self.view.window!) { result in
                if result == .OK {
                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                        let outputURL = panel.url
                        DispatchQueue.global().async {
                            let folderName = String(pdfDocument.documentURL!.lastPathComponent.split(separator: ".")[0]) + "_extract"
                            
                            var filePath = URL(fileURLWithPath: outputURL!.path).appendingPathComponent(folderName).path
                            var i = 1
                            let testFilePath = filePath
                            while FileManager.default.fileExists(atPath: filePath) {
                                filePath = testFilePath + "\(i)"
                                i += 1
                            }
                            
                            try? FileManager.default.createDirectory(atPath: filePath, withIntermediateDirectories: false, attributes: nil)
                            
                            let successArray = pdfDocument.extractPerPageDocument(withPages: pages, folerPath: filePath)
                            DispatchQueue.main.async {
                                if successArray!.count > 0 {
                                    NSWorkspace.shared.activateFileViewerSelecting(successArray!)
                                    
                                    if !isDeletePage {
                                        for page in pages {
                                            let indexPage = pdfDocument.index(for: page)
                                            pdfDocument.removePage(at: indexPage)
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    
    // MARK: 快捷工具 Action
    
    func fastToolDidSelectAllTools() {
        // 首页 快捷工具 Tools按钮
        refreshRightBoxUI(.PDFTools)
    }
    
    func fastTool_Batch() { // Batch
//        KMBatchWindowController.openFile(nil, .Batch)
        let batchWindowController = KMBatchOperateWindowController.sharedWindowController
        batchWindowController.window?.makeKeyAndOrderFront("")
    }
    
    func fastTool_OCR() {   // OCR
//        KMOCRWindowController.openFiles(window: self.view.window!)
        let openPanel = NSOpenPanel()
       
        var arr = KMImageToPDFMethod.supportedImageTypes()
        arr.append("pdf")
        openPanel.allowedFileTypes = arr
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false

        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickOcr(urls: openPanel.urls)
            }
        }
    }
    
    func quickOcr(urls: Array<URL>) {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            var document: CPDFDocument?
            for fileURL in urls {
                if fileURL.lastPathComponent.pathExtension == "pdf"{
                    document = CPDFDocument(url: fileURL)
                }else{
                    document = CPDFDocument()
                    let image = NSImage(contentsOfFile: fileURL.path)
                    _ = document?.km_insertPage(image!.size, withImage: fileURL.path, at: 0)
                }
                break
            }
            if document == nil{
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = KMLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", nil)
                alert.beginSheetModal(for: NSApp.mainWindow!) { (response) in
                    if response == .alertFirstButtonReturn {
                        // Handle cancel action
                    }
                }
                return
            }
            let com = KMOCRPDFWindowController(cpdfDocument: document!, pwd: document!.password)
            self.km_beginSheet(windowC: com)
        }
    }
    
    func fastTool_ConvertPDF() {    // 转换PDF
//        KMBatchWindowController.openFile(nil, .ConvertPDF)
        let openPanel = NSOpenPanel()
        var arr = KMImageToPDFMethod.supportedImageTypes()
        arr.append("pdf")
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false

        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickConvertPdf(urls: openPanel.urls, type: .WordAdvance)
            }
        }
    }
    
    func quickConvertPdf(urls: Array<URL>, type: KMConvertWithPDFType) {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            var arr: Array<KMBatchOperateFile> = Array()
            for fileURL in urls {
                let img = NSImage(contentsOfFile: fileURL.path)
                if self.isDamageImage(image: img, path: fileURL.path) {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = String(format: KMLocalizedString("The file \"%@\" could not be opened.", nil), fileURL.path.lastPathComponent)
                    alert.informativeText = NSLocalizedString("It may be damaged or use a file format that PDF Reader Pro doesn’t recognize.", comment: "")
                    alert.addButton(withTitle: NSLocalizedString("Cancel", comment: ""))
                    alert.beginSheetModal(for: NSApp.mainWindow!) { (response) in
                        if response == .alertFirstButtonReturn {
                            // Handle cancel action
                        }
                    }
                    continue
                }
                let file = KMBatchOperateFile(filePath: fileURL.path, type: .Convert)
                arr.append(file)
            }
            let baseWindowController = KMBatchOperateBaseWindowController(windowNibName: "KMBatchOperateBaseWindowController")
            if #available(macOS 10.13, *) {
                baseWindowController.window?.makeKeyAndOrderFront(nil)
            } else {
                baseWindowController.showWindow(nil)
            }
            if arr.count > 0 {
                baseWindowController.checkNeedPasswordSwitchToOperateType(operateType: .Convert, files: arr)
            }
            baseWindowController.switchToConvertType(convertType: type)
        }
    }
    
    func fastTool_ImageToPDF() {    // 图片转PDF
//        KMImageToPDFWindowController.openFiles(window: NSApp.mainWindow!)
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = KMImageToPDFMethod.supportedImageTypes()
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = true
        openPanel.message = KMLocalizedString("Select images to create a new document. To select multiple files press cmd ⌘ button on keyboard and click on the target files one by one.", nil)
//        openPanel.canChooseFiles = false
//        openPanel.canChooseDirectories = true
//        openPanel.canCreateDirectories = true
        
        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                openImageToPdfWindow(urls: openPanel.urls)
            }
        }
        
    }
    
    func openImageToPdfWindow(urls: Array<URL>) {
        var arr: Array<KMBatchOperateFile> = Array()
        for fileURL in urls {
            let img = NSImage(contentsOfFile: fileURL.path)
            if self.isDamageImage(image: img, path: fileURL.path) {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = String(format: KMLocalizedString("The file \"%@\" could not be opened.", nil), fileURL.path.lastPathComponent)
                alert.informativeText = NSLocalizedString("It may be damaged or use a file format that PDF Reader Pro doesn’t recognize.", comment: "")
                alert.addButton(withTitle: NSLocalizedString("Cancel", comment: ""))
                alert.beginSheetModal(for: NSApp.mainWindow!) { (response) in
                    if response == .alertFirstButtonReturn {
                        // Handle cancel action
                    }
                }
                continue
            }
            let file = KMBatchOperateFile(filePath: fileURL.path, type: .CreatePDF)
            arr.append(file)
        }
        let baseWindowController = KMBatchOperateBaseWindowController(windowNibName: "KMBatchOperateBaseWindowController")
        if #available(macOS 10.13, *) {
            baseWindowController.window?.makeKeyAndOrderFront(nil)
        } else {
            baseWindowController.showWindow(nil)
        }
        if arr.count > 0 {
            baseWindowController.checkNeedPasswordSwitchToOperateType(operateType: .CreatePDF, files: arr)
        }
    }
    
    func isDamageImage(image: NSImage?, path: String) -> Bool {
        if (image == nil) {
            return true
        }
        let addImageAnnotation = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).last!.appendingPathComponent(Bundle.main.bundleIdentifier!).appendingPathComponent("addImageAnnotation")
//        let addImageAnnotation =  NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.applicationSupportDirectory, FileManager.SearchPathDomainMask.userDomainMask, true).last?.stringByAppendingPathComponent(Bundle.main.bundleIdentifier!).stringByAppendingPathComponent("addImageAnnotation")
        if !FileManager.default.fileExists(atPath: addImageAnnotation.path) {
            try? FileManager.default.createDirectory(atPath: addImageAnnotation.path, withIntermediateDirectories: false, attributes: nil)
        }
        guard let data = image!.tiffRepresentation else { return false }
        guard let imageRep = NSBitmapImageRep(data: data) else { return false }
        imageRep.size = image!.size
        var imageData: Data?
        if path.lowercased() == "png" {
            imageData = imageRep.representation(using: .png, properties: [:])
        } else {
            imageData = imageRep.representation(using: .jpeg, properties: [:])
        }
        let rPath: URL = addImageAnnotation.appendingPathComponent(tagString()).appendingPathExtension("png")
        if let data = imageData {
            try?data.write(to: rPath)
            return false
        } else {
            return true
        }
    }
    func tagString() -> String {
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "yyMMddHHmmss"
        let currentDate = Date()
        let formattedDate = dateFormatter.string(from: currentDate)
        let randomNum = Int(arc4random_uniform(10000))
        let str = String(format: "%@%04d", dateFormatter.string(from: Date()),randomNum)
        return str//"(formattedDate)(String(format: "%04d", randomNum))"
    }
    
    func fastTool_MergePDF() {  // MergePDF
        Task { @MainActor in
//            #if VERSION_DMG
//            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
//                let _ = KMComparativeTableViewController.show(window: self.view.window!, .merge)
//                return
//            }
//            #endif

//            if await (KMLightMemberManager.manager.canPayFunction() == false) {
//                let _ = KMSubscribeWaterMarkWindowController.show(window: self.view.window!, isContinue: true, type: .merge) { isSubscribeSuccess, isWaterMarkExport, isClose in
//                    if (isClose) {
//                        return
//                    }
//                    self.km_open_pdf_merge()
//                }
//                return
//            }
            self.km_open_pdf_merge()
        }
    }
    
    func km_open_pdf_merge() {
        DispatchQueue.main.async {
            
                let windowController = KMMergeWindowController(windowNibName: "KMMergeWindowController")
                self.currentWindowController = windowController
                
                windowController.cancelAction = { [unowned self] controller in
                    self.view.window?.endSheet((self.currentWindowController!.window)!)
                    self.currentWindowController = nil
                }
                
                self.view.window?.beginSheet(windowController.window!)
        }
    }
    
    func fastTool_Compression() {   // 压缩
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false

        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickCompressPdf(urls: openPanel.urls)
            }
        }
    }
    
    func quickCompressPdf(urls: Array<URL>) {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            var arr: Array<KMBatchOperateFile> = Array()
            for fileURL in urls {
                let file = KMBatchOperateFile(filePath: fileURL.path, type: .Compress)
                arr.append(file)
            }
            let baseWindowController = KMBatchOperateBaseWindowController(windowNibName: "KMBatchOperateBaseWindowController")
            if #available(macOS 10.13, *) {
                baseWindowController.window?.makeKeyAndOrderFront(nil)
            } else {
                baseWindowController.showWindow(nil)
            }
            if arr.count > 0 {
                baseWindowController.checkNeedPasswordSwitchToOperateType(operateType: .Compress, files: arr)
            }
        }
    }
    
    func km_secure_openPanel_compress() {
        DispatchQueue.main.async {
            NSOpenPanel.km_secure_openPanel(window: self.view.window!) { url, result, passowrd in
                if (url == nil) {
                    return
                }

                if (result != nil && result! == .cancel) {
                    return
                }

                self.showCompressWindow(url!, passowrd)
            }
        }
    }
    
    func showCompressWindow(_ url: URL, _ password: String?) {
//        Task { @MainActor in
//            let windowController = KMCompressWindowController(windowNibName: "KMCompressWindowController")
//            windowController.documentURL = url
//            windowController.password = password
//            
//            windowController.itemClick = { [weak self] _ in
//                self?.km_endSheet()
//            }
//            
//            windowController.resultCallback = { [weak self] result, openDocument, fileURL, _ in
//                if result {
//                    self?.km_endSheet()
//                    if openDocument {
//                        NSDocumentController.shared.km_safe_openDocument(withContentsOf: fileURL, display: true) { _, _, _ in
//                            
//                        }
//                    } else {
//                        NSWorkspace.shared.activateFileViewerSelecting([fileURL])
//                    }
//                } else {
//                    let alert = NSAlert()
//                    alert.messageText = NSLocalizedString("Compress Faild", comment: "")
//                    alert.runModal()
//                }
//            }
//            self.km_beginSheet(windowC: windowController)
//        }
    }
    
    func fastTool_Security() {  // 安全
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = true
        openPanel.message = KMLocalizedString("To select multiple files press cmd ⌘ button on keyboard and click on the target files one by one.", nil)
        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickPassword(urls: openPanel.urls)
            }
        }
    }
    
    func quickPassword(urls: Array<URL>) {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            var arr: Array<KMBatchOperateFile> = Array()
            for fileURL in urls {
                let file = KMBatchOperateFile(filePath: fileURL.path, type: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddPassword : .RemovePassword)
                arr.append(file)
            }
            let baseWindowController = KMBatchOperateBaseWindowController(windowNibName: "KMBatchOperateBaseWindowController")
            if #available(macOS 10.13, *) {
                baseWindowController.window?.makeKeyAndOrderFront(nil)
            } else {
                baseWindowController.showWindow(nil)
            }
            if arr.count > 0 {
                baseWindowController.checkNeedPasswordSwitchToOperateType(operateType: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddPassword : .RemovePassword, files: arr)
            }
        }
    }
    
    func fastTool_FileCompare() {    // 文件对比
        let openPanel = NSOpenPanel()
        openPanel.allowsMultipleSelection = false
        openPanel.allowedFileTypes = ["pdf"]
        openPanel.beginSheetModal(for: NSApp.mainWindow!) { result in
            if result == .cancel {
                return
            }
            
            if !openPanel.url!.path.isPDFValid() {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = NSLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", comment: "")
                alert.runModal()
                return
            }
            
            DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
                let controller = KMCompareWindowController(windowNibName: "KMCompareWindowController")
                self.currentWindowController = controller
                
                controller.filePath = openPanel.url!.path
                
                controller.cancelAction = { [unowned self] contr in
                    self.view.window?.endSheet((controller.window)!)
//                    self.currentWindowController = nil
                }
                
                controller.contentComplete = { [unowned self] controller, pdfCompareContent, result, oldDocument, document in
                    DispatchQueue.main.async {
                        self.view.window?.endSheet((controller.window)!)
//                        self.currentWindowController = nil
                        
                        self.openContentCompareVC(with: pdfCompareContent, results: result, oldDocument: oldDocument, document: document)
                    }
                }
                
                controller.coveringComplete = { [unowned self] controller, document in
                    self.view.window?.endSheet((controller.window)!)
//                    self.currentWindowController = nil
                    
                    self.openCoveringCompareVC(with: document)
                }
            
//                if index == 1 {
                    controller.fileType = .content
//                } else {
//                    controller.fileType = .coverting
//                }
            
                NSWindow.currentWindow().beginSheet(controller.window!)
            }
        }
    }
    
    func fastTool_PDFToPPT() {
//        self.showConvertWindow(type: .ppt)
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false

        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickConvertPdf(urls: openPanel.urls, type: .PowerPoint)
            }
        }
    }
    
    func fastTool_PDFToExcel() {
//        self.showConvertWindow(type: .excel)
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false

        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickConvertPdf(urls: openPanel.urls, type: .Excel)
            }
        }
    }
    
    func fastTool_PDFToWord() { // PDF转Word
//        self.showConvertWindow(type: .word)
        fastTool_ConvertPDF()
    }
    
    func fastTool_PDFToImage() {      // PDF转图片
        self.showConvertWindow(type: .image)
    }
    
    func fastTool_Watermark() { // 水印
//        KMBatchWindowController.openFile(nil, .Watermark)
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false
        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickWaterMark(urls: openPanel.urls)
            }
        }
    }
    
    func quickWaterMark(urls: Array<URL>) {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            var arr: Array<KMBatchOperateFile> = Array()
            for fileURL in urls {
                let pdf = CPDFDocument(url: fileURL)
                if !pdf!.allowsPrinting || !pdf!.allowsCopying {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("This is a secured document. Editing is not permitted.", comment: "")
                    alert.runModal()
                    return
                }
                
                let file = KMBatchOperateFile(filePath: fileURL.path, type: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddWatermark : .RemoveWatermark)
                arr.append(file)
            }
            let baseWindowController = KMBatchOperateBaseWindowController(windowNibName: "KMBatchOperateBaseWindowController")
            if #available(macOS 10.13, *) {
                baseWindowController.window?.makeKeyAndOrderFront(nil)
            } else {
                baseWindowController.showWindow(nil)
            }
            if arr.count > 0 {
                baseWindowController.checkNeedPasswordSwitchToOperateType(operateType: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddWatermark : .RemoveWatermark, files: arr)
            }
        }
    }
    
    func fastTool_Background() {    // 背景
//        KMBatchWindowController.openFile(nil, .Background)
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false
        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickBackgroudMark(urls: openPanel.urls)
            }
        }
    }
    
    func quickBackgroudMark(urls: Array<URL>) {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            var arr: Array<KMBatchOperateFile> = Array()
            for fileURL in urls {
                let pdf = CPDFDocument(url: fileURL)
                if !pdf!.allowsPrinting || !pdf!.allowsCopying {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("This is a secured document. Editing is not permitted.", comment: "")
                    alert.runModal()
                    return
                }
                
                let file = KMBatchOperateFile(filePath: fileURL.path, type: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddBackground : .RemoveBackground)
                arr.append(file)
            }
            let baseWindowController = KMBatchOperateBaseWindowController(windowNibName: "KMBatchOperateBaseWindowController")
            if #available(macOS 10.13, *) {
                baseWindowController.window?.makeKeyAndOrderFront(nil)
            } else {
                baseWindowController.showWindow(nil)
            }
            if arr.count > 0 {
                baseWindowController.checkNeedPasswordSwitchToOperateType(operateType: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddBackground : .RemoveBackground, files: arr)
            }
        }
    }
    
    func fastTool_HeaderAndFooter() {   // 页眉页脚
//        KMBatchWindowController.openFile(nil, .HeaderAndFooter)
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false
        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickHeaderAndFooterMark(urls: openPanel.urls)
            }
        }
    }
    
    func quickHeaderAndFooterMark(urls: Array<URL>) {   
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            var arr: Array<KMBatchOperateFile> = Array()
            for fileURL in urls {
                let pdf = CPDFDocument(url: fileURL)
                if !pdf!.allowsPrinting || !pdf!.allowsCopying {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("This is a secured document. Editing is not permitted.", comment: "")
                    alert.runModal()
                    return
                }
                
                let file = KMBatchOperateFile(filePath: fileURL.path, type: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddHeaderFooter : .RemoveHeaderFooter)
                arr.append(file)
            }
            let baseWindowController = KMBatchOperateBaseWindowController(windowNibName: "KMBatchOperateBaseWindowController")
            if #available(macOS 10.13, *) {
                baseWindowController.window?.makeKeyAndOrderFront(nil)
            } else {
                baseWindowController.showWindow(nil)
            }
            if arr.count > 0 {
                baseWindowController.checkNeedPasswordSwitchToOperateType(operateType: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddHeaderFooter : .RemoveHeaderFooter, files: arr)
            }
        }
    }
    
    
    func fastTool_BatesCode() { // 贝茨码
//        KMBatchWindowController.openFile(nil, .BatesCode)
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf","PDF"]
        //MARK: 允许多选还是单选，如果是付费用户允许多选
        openPanel.allowsMultipleSelection = false
        openPanel.beginSheetModal(for: NSWindow.currentWindow()) { [self] (result) in
            if result == NSApplication.ModalResponse.OK {
                quickBatesNumberMark(urls: openPanel.urls)
            }
        }
    }
    
    func quickBatesNumberMark(urls: Array<URL>) {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            var arr: Array<KMBatchOperateFile> = Array()
            for fileURL in urls {
                let pdf = CPDFDocument(url: fileURL)
                if !pdf!.allowsPrinting || !pdf!.allowsCopying {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("This is a secured document. Editing is not permitted.", comment: "")
                    alert.runModal()
                    return
                }
                
                let file = KMBatchOperateFile(filePath: fileURL.path, type: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddBates : .RemoveBates)
                arr.append(file)
            }
            let baseWindowController = KMBatchOperateBaseWindowController(windowNibName: "KMBatchOperateBaseWindowController")
            if #available(macOS 10.13, *) {
                baseWindowController.window?.makeKeyAndOrderFront(nil)
            } else {
                baseWindowController.showWindow(nil)
            }
            if arr.count > 0 {
                baseWindowController.checkNeedPasswordSwitchToOperateType(operateType: KMBatchQuickActionManager.defaultManager.actionType == .add ? .AddBates : .RemoveBates, files: arr)
            }
        }
    }
    
    func fastTool_Print() { // 打印
        KMPrintWindowController.openFiles(window: self.view.window!)
    }
    
    func fastTool_BatchRemove() {   // 批量移除
//        KMBatchWindowController.openFile(nil, .BatchRemove)
    }
    
    func fastTool_Insert() {    // 插入
        let openPanel = NSOpenPanel()
        openPanel.prompt = NSLocalizedString("Insert", comment: "")
        openPanel.allowsMultipleSelection = false
        openPanel.allowedFileTypes = ["pdf"]
        
        openPanel.beginSheetModal(for: NSApp.mainWindow!) { result in
            if result == .OK {
                //                DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
                //                    let insertWindowController: KMPDFInsertPageWindow = KMPDFInsertPageWindow.init(documentPath: openPanel.url!, toolType: .Insert)
                //                    insertWindowController.beginSheetModal(for: self.view.window!) { pdfDocument, password, pages, indexPage in
                //                        self.insertPageAction(pdfDocument, password, pages, indexPage)
                //                    }
                //                }
                //            }
                let windowC = KMPDFInsertWindowController(fileURL: openPanel.url!)
//                [com beginSheetModalForWindow:[NSApp mainWindow] completionHandler:^(PDFDocument *pdfDocument, NSString *password, NSMutableArray<PDFPage *> *pages, NSInteger indexPage) {
//                    if (pdfDocument && indexPage >= 0) {
//                        [pdfDocument insertWithInsertPages:pages insertPageIndex:indexPage];
//                        [self savePDFDocument:pdfDocument password:password];
//                    }
//                }];
                windowC.callback = { [unowned self] idx, params in
                    if params.count >= 4 {
                        if let doc = params.first as? CPDFDocument {
//                            doc.insertWithInsertPages((params[2] as? [CPDFPage]) ?? [], insertPageIndex: params[3] as! Int)
                            self.savePDFDocument(doc, password: params[1] as? String ?? "")
                        }
                    }
                    self.km_endSheet()
                }
                self.km_beginSheet(windowC: windowC)
            }
        }
    }
    
    
//    func savePDFDocument(_ pdf: CPDFDocument, password: String?) {
////        KMProgressWindowController * vc = [[KMProgressWindowController alloc] init];
////        [NSApp beginSheet:[vc window] modalForWindow:[NSApp mainWindow] modalDelegate:nil didEndSelector:nil contextInfo:NULL];
//
//        DispatchQueue.global().async {
//            var isSuccessfully = false
//            if (pdf.isEncrypted) {
//                isSuccessfully = pdf.write(to: pdf.documentURL, withOptions: [.userPasswordOption : password ?? "", .ownerPasswordOption : password ?? ""])
//            } else {
//                isSuccessfully = pdf.write(to: pdf.documentURL)
//            }
//            if (!isSuccessfully) {
////                isSuccessfully = [pdf.dataRepresentation writeToURL:pdf.documentURL atomically:YES];
//                try?pdf.dataRepresentation().write(to: pdf.documentURL)
//            }
//
//            Task { @MainActor in
////                [NSApp endSheet:vc.window];
////                [vc close];
//
//                if (isSuccessfully) {
////                    BOOL autoOpen = [[NSUserDefaults standardUserDefaults] boolForKey:KMAutoOpenDocumentKey];
////                    if (autoOpen) {
////                        [[NSDocumentController sharedDocumentController] openDocumentWithContentsOfURL:pdf.documentURL display:YES completionHandler:^(NSDocument * _Nullable document, BOOL documentWasAlreadyOpen, NSError * _Nullable error) {
////
////                        }];
////                    } else {
//                    let workspace = NSWorkspace.shared
//                    let url = URL(fileURLWithPath: pdf.documentURL.path)
//                    workspace.activateFileViewerSelecting([url])
////                    }
//                } else {
//                    _ = await KMAlertTool.runModel(message: KMLocalizedString("Failed to insert page(s)!", nil))
//                }
//            }
//        }
//    }
    
    func fastTool_BreakUp() {   // 拆分
//        [[FMTrackEventManager manager] trackEvent:@"Onbrd" withProperties:@{@"HP_Tools":@"Split"}];
//
//        if (![IAPProductsManager defaultManager].isAvailableAllFunction) {
//            [[KMPurchaseCompareWindowController sharedInstance] showWindow:nil];
//            return;
//        }
//        self.isDragEntered = YES;
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["pdf"]
        openPanel.allowsMultipleSelection = false
        openPanel.beginSheetModal(for: NSApp.mainWindow!) { result in
//            self.isDragEntered = NO;
            if result == .OK {
                DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
                    let com = SplitWindowController(fileURL: openPanel.url!)
                    self.km_beginSheet(windowC: com)
                }
            }
        }
    }
    
    func fastTool_Extract() {   // 提取
        let openPanel = NSOpenPanel()
        openPanel.prompt = "提取"
        openPanel.allowsMultipleSelection = false
        openPanel.allowedFileTypes = ["pdf"]
        openPanel.beginSheetModal(for: NSApp.mainWindow!) { result in
            if result == .OK {
                DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
                    let insertWindowController: KMPDFInsertPageWindow = KMPDFInsertPageWindow.init(documentPath: openPanel.url!, toolType: .Extract)
                    insertWindowController.beginSheetExtractModal(for: self.view.window!) { pdfDocument, pages, oneDocumentPerPage, isDeletePage in
                        self.extractPageAction(pdfDocument, pages, oneDocumentPerPage, isDeletePage)
                    }
                }
            }
        }
    }
    
    func fastTool_MarkCipher() {    // 标记密文
        let openPanel = NSOpenPanel()
        openPanel.allowsMultipleSelection = false
        openPanel.allowedFileTypes = ["pdf"]
        openPanel.beginSheetModal(for: NSApp.mainWindow!) { result in
            if result == .cancel {
                return
            }
            
            if !openPanel.url!.path.isPDFValid() {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = NSLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", comment: "")
                alert.runModal()
                return
            }
            DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
                NSDocumentController.shared.openDocument(withContentsOf: openPanel.url!, display: true) { document, result, error in
                    if (error != nil) {
                        NSApp.presentError(error!)
                        return
                    }
                    
                    let toolbar = (document as! KMMainDocument).mainViewController?.toolbarController
                    toolbar?.enterRedact()
                }
            }
        }
    }
    
    func fastTool_AutomaticFormRecognition() {  // 表单自动识别
        let openPanel = NSOpenPanel()
        openPanel.prompt = "表单自动识别"
        openPanel.allowsMultipleSelection = false
        openPanel.allowedFileTypes = ["pdf"]
        openPanel.beginSheetModal(for: NSApp.mainWindow!) { result in
            if result == .OK {
                
            }
        }
    }
    
    func fastTool_PageEdit() {  // 页面编辑
        let openPanel = NSOpenPanel()
        openPanel.allowsMultipleSelection = false
        openPanel.allowedFileTypes = ["pdf"]
        openPanel.beginSheetModal(for: NSApp.mainWindow!) { result in
            if result == .cancel {
                return
            }
            
            if !openPanel.url!.path.isPDFValid() {
                let alert = NSAlert()
                alert.alertStyle = .critical
                alert.messageText = NSLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", comment: "")
                alert.runModal()
                return
            }
            
            if let pdf = CPDFDocument(url: openPanel.url!) {
                if pdf.allowsCopying == false || pdf.allowsPrinting == false {
                    Task {
                        _ = await KMAlertTool.runModel(message: KMLocalizedString("This is a secured document. Editing is not permitted.", nil))
                    }
                    return
                }
            }
            
            let windowC = KMPDFEditWindowController(filepath: openPanel.url!.path, password: nil)
            windowC.startModal(nil)
        }
    }
    
    
    @IBAction func escButtonAction(_ sender: Any) {
//        self.historyFileViewController.selectFiles.removeAll()
//        if self.historyFileViewController.showMode == .Thumbnail {
//            self.historyFileViewController.historyFileCollectionView.reloadData()
//        } else {
//            self.historyFileViewController.historyFileTableView.reloadData()
//        }
    }
    
    
    @IBAction func importFromFile(_ sender: Any) {
        self.openSupportPDFButtonAction()
    }
    
    @IBAction func menuItemClick_mergePDF(_ sender: Any) {
        fastTool_MergePDF()
    }
    
    @IBAction func menuItemClick_Compress(_ sender: Any) {
        fastTool_Compression()
    }
    
    @IBAction func menuItemClick_Convert(_ sender: Any) {
        fastTool_ConvertPDF()
    }
    
    @IBAction func menuItemClick_SettingPassword(_ sender: Any) {
        KMBatchQuickActionManager.defaultManager.actionType = .add
        fastTool_Security()
    }
    
    @IBAction func menuItemClick_RemovePassword(_ sender: Any) {
        KMBatchQuickActionManager.defaultManager.actionType = .add
        fastTool_Security()
    }

    func fetchUniquePath(_ originalPath: String) -> String {
        var path = originalPath
        let dManager = FileManager.default
        if !dManager.fileExists(atPath: path) {
            if path.extension.count < 1 {
                path = path.stringByAppendingPathExtension("pdf")
            }
            return path
        } else {
            let originalFullFileName = path.lastPathComponent
            let originalFileName = path.lastPathComponent.deletingPathExtension.lastPathComponent
            let originalExtension = path.extension

            let startIndex: Int = 0
            let endIndex: Int = startIndex + originalPath.count - originalFullFileName.count - 1
            let fileLocatePath = originalPath.substring(to: endIndex)
            var i = 1
            while (1 != 0) {
                var newName = String(format: "%@%ld", originalFileName, i)
                newName = String(format: "%@%@", newName, originalExtension)
                let newPath = fileLocatePath.stringByAppendingPathComponent(newName)
                if !dManager.fileExists(atPath: newPath) {
                    return newPath
                } else {
                    i+=1
                    continue
                }
            }
        }
    }
    
//    func kNewDocumentTempSavePath(_ fileName: String) -> String {
//        let searchPath = NSSearchPathForDirectoriesInDomains(.applicationSupportDirectory, .userDomainMask, true).last
////        let append1 = searchPath?.stringByAppendingPathComponent(Bundle.main.bundleIdentifier!)
//        let append2 = searchPath!.stringByAppendingPathComponent(String(format: "%@", fileName))
//        return append2
//    }

    
    // MARK: Notification
    
    @objc func homeFileRectChange(_ notification: Notification) -> Void {
        let window = notification.object
        self.historyFileViewController.reloadData()
    }
}

// MARK: window Menu

extension KMHomeViewController {    
    @IBAction func menuItemAction_showForwardTagPage(_ sender: Any) {
        (self.myDocument as! KMMainDocument).browser.selectPreviousTab()
    }
    
    @IBAction func menuItemAction_showNextTagPage(_ sender: Any) {
        (self.myDocument as! KMMainDocument).browser.selectNextTab()
    }
    
    @IBAction func menuItemAction_newTagPageToNewWindow(_ sender: Any) {
        let browser = (self.myDocument as! KMMainDocument).browser
        ((browser as! KMBrowser).windowController as? KMBrowserWindowController)?.openNewWindow(sender)
    }
    
    @IBAction func menuItemAction_mergeAllWindow(_ sender: Any) {
        ((self.myDocument as? KMMainDocument)?.browser.windowController as? KMBrowserWindowController)?.mergeAllWindow(sender)
    }
    
    @IBAction func menuItemAction_currentWindowName(_ sender: Any) {
        
    }
}


// MARK: file Menu

extension KMHomeViewController {
    @IBAction func menuItemAction_closeWindow(_ sender: Any) {
        self.view.window?.close()
    }
    
    @IBAction func menuItemAction_closeAllWindows(_ sender: Any) {
        for window in NSApp.windows {
            window.close()
        }
    }
    
    @IBAction func menuItemAction_ConvertToWord(_ sender: Any) {
        self.fastTool_PDFToWord()
    }
    
    @IBAction func menuItemAction_ConvertToExcel(_ sender: Any) {
        self.fastTool_PDFToExcel()
    }
    
    @IBAction func menuItemAction_ConvertToPPT(_ sender: Any) {
        self.fastTool_PDFToPPT()
    }
    
    @IBAction func menuItemAction_ConvertToRTF(_ sender: Any) {
        self.showConvertWindow(type: .rtf)
    }
    
    @IBAction func menuItemAction_ConvertToHTML(_ sender: Any) {
        self.showConvertWindow(type: .html)
    }
    
    @IBAction func menuItemAction_ConvertToText(_ sender: Any) {
        self.showConvertWindow(type: .text)
    }
    
    @IBAction func menuItemAction_ConvertToCSV(_ sender: Any) {
        self.showConvertWindow(type: .csv)
    }
    
    @IBAction func menuItemAction_ConvertToImage(_ sender: Any) {
        self.fastTool_PDFToImage()
    }
}

// MARK: help Menu

extension KMHomeViewController {
//    @IBAction func menuItemAction_search(_ sender: Any) {
//        
//    }
}

// MARK: - Analytics (埋点)

extension KMHomeViewController {
    func trackEvent_ai(eventName: String) -> Void {
        KMAnalytics.trackEvent(eventName: eventName, parameters: [
            KMAnalytics.Parameter.categoryKey : KMAnalytics.Category.home,
            KMAnalytics.Parameter.labelKey : KMAnalytics.Label.ai_Btn], platform: .AppCenter, appTarget: .all)
    }
    func trackEvent_create(eventName: String) -> Void {
        KMAnalytics.trackEvent(eventName: eventName, parameters: [
            KMAnalytics.Parameter.categoryKey : KMAnalytics.Category.home,
            KMAnalytics.Parameter.labelKey : KMAnalytics.Label.create_Btn], platform: .AppCenter, appTarget: .all)
    }
}

extension KMHomeViewController {
    //文件对比
    func openContentCompareVC(with pdfCompareContent: CPDFCompareContent?, results: [CPDFCompareResults], oldDocument: CPDFDocument, document: CPDFDocument) {
        let compareContentController = KMCompareContentWindowController(document: document, oldDocument: oldDocument, results: results)
        self.currentController = compareContentController
//        let compareContentView = KMCompareContentView()
//        compareContentView.oldDocument = oldDocument
//        compareContentView.document = document
//        compareContentView.compareResults = results
        compareContentController.saveHandle = { [unowned self] view in
            DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.25) { [unowned self] in
                let saveController = KMCompareSaveWindow(windowNibName: "KMCompareSaveWindow")
                self.currentWindowController = saveController
                saveController.cancelHandle = { [unowned self] controller in
                    NSWindow.currentWindow().endSheet(controller.window!)
                    self.currentWindowController = nil
                }
                
                saveController.saveHandle = { [unowned self] controller, saveType in
                    let folderPath = controller.fileSaveFolderPath
                    if folderPath != nil {
                        if !FileManager.default.fileExists(atPath: folderPath) {
                            try? FileManager.default.createDirectory(atPath: folderPath, withIntermediateDirectories: true, attributes: nil)
                        }
                        
                        var savePath: String
                        
                        
                        switch saveType {
                        case 0:
                            let filePath = oldDocument.documentURL.path
                            let fileName = filePath.deletingPathExtension.lastPathComponent
                            
                            savePath = "\(folderPath)/\(fileName.deletingPathExtension)_compare\(filePath.extension)"
                            savePath = self.getValidFilePath(savePath)
                            oldDocument.write(to: URL(fileURLWithPath: savePath))
                            NSWorkspace.shared.activateFileViewerSelecting([URL(fileURLWithPath: savePath)])
                        case 1:
                            let filePath = document.documentURL.path
                            let fileName = filePath.deletingPathExtension.lastPathComponent
                            
                            savePath = "\(folderPath)/\(fileName)_compare\(filePath.extension)"
                            savePath = self.getValidFilePath(savePath)
                            document.write(to: URL(fileURLWithPath: savePath))
                            NSWorkspace.shared.activateFileViewerSelecting([URL(fileURLWithPath: savePath)])
                        case 2:
                            let filePath = oldDocument.documentURL.path
                            let fileName = filePath.deletingPathExtension.lastPathComponent
                            
                            savePath = "\(folderPath)/MergedCompareFile\(filePath.extension)"
                            savePath = self.getValidFilePath(savePath)
                            pdfCompareContent!.saveAsComparisonDocument(withFilePath: savePath)
                            NSWorkspace.shared.activateFileViewerSelecting([URL(fileURLWithPath: savePath)])
                        default:
                            break
                        }
                    }
                    
                    NSWindow.currentWindow().endSheet(controller.window!)
                    self.currentWindowController = nil
                }
                
                NSWindow.currentWindow().beginSheet(saveController.window!)
            }
        }
        
        compareContentController.closeHandle = { [unowned self] controller in
            self.view.window!.endSheet(controller.window!)
            self.currentController = nil
//            view.removeFromSuperview()
        }
        NSWindow.currentWindow().beginSheet(compareContentController.window!)

        
//        self.PDFContendView.addSubview(compareContentView)
//        compareContentView.frame = self.PDFContendView.bounds
//        compareContentView.autoresizingMask = [.width,.height]
    }

    func getValidFilePath(_ oldPath: String) -> String {
        let fileManager = FileManager.default

        do {
            let fileAttributes = try fileManager.attributesOfItem(atPath: oldPath)
            guard let fileType = fileAttributes[FileAttributeKey.type] as? String else {
                return oldPath
            }

            var i = 1
            var newPath = oldPath

            while fileManager.fileExists(atPath: newPath) {
                if fileType == FileAttributeType.typeDirectory.rawValue {
                    newPath = oldPath + "(\(i))"
                } else {
                    let fileExtension = (oldPath as NSString).pathExtension
                    newPath = ((oldPath as NSString).deletingPathExtension as NSString).appendingFormat("(\(i)).\(fileExtension)" as NSString) as String
                }
                i += 1
            }

            return newPath
        } catch {
            print("Error getting file attributes: \(error)")
            return oldPath
        }
    }

    func openCoveringCompareVC(with pdfDocument: CPDFDocument) {
        let controller = KMCompareCoveringWindowController(document: pdfDocument)
        self.currentWindowController = controller
//        let coveringView = KMCompareCoveringView()
//        coveringView.pdfDocument = pdfDocument
        controller.closeHandle = { [unowned self] controller in
//            view.removeFromSuperview()
            self.view.window!.endSheet(controller.window!)
            self.currentController = nil
        }
        
        controller.saveHandle = { [unowned self] controller in
            let savePanel = NSSavePanel()
            savePanel.nameFieldStringValue = "untitled"
            savePanel.allowedFileTypes = ["pdf"]
            savePanel.beginSheetModal(for: NSWindow.currentWindow()) { result in
                if result == .OK {
                    pdfDocument.write(to: savePanel.url!)
                    NSWorkspace.shared.activateFileViewerSelecting([savePanel.url!])
                }
            }
        }
        
//        self.view.window!.endSheet(controller.window!)
        NSWindow.currentWindow().beginSheet(controller.window!)
//        self.PDFContendView.addSubview(coveringView)
//        coveringView.frame = self.PDFContendView.bounds
//        coveringView.autoresizingMask = [.width,.height]
    }

}