//
//  KMConvertWindowController.swift
//  PDF Reader Pro
//
//  Created by liujiajie on 2023/11/8.
//

import Cocoa

typealias convertBatchCallBack = () -> Void

let kPreviewMaxWidth = 237.0
let kPreviewMaxHeight = 325.0

let kConvertFileSavePath = (kTempSavePath?.stringByAppendingPathComponent("convert.pdf"))

@objcMembers class KMConvertWindowController: NSWindowController, NSTextFieldDelegate, NSWindowDelegate, NSComboBoxDelegate{
    @IBOutlet var prePDFViewHeight: NSLayoutConstraint!
    @IBOutlet var prePDFViewWidth: NSLayoutConstraint!
   
    var prePDFView: CPDFView!
    
    @IBOutlet var prePdfBGView: NSView!
    @IBOutlet var currentPageIndexTextField: NSTextField!
    @IBOutlet var totalPageCountLabel: NSTextField!
    
    @IBOutlet var formatLabel: NSTextField!
    @IBOutlet var formatSelectButton: NSPopUpButton!
    @IBOutlet var imageDPISelectButton: NSPopUpButton!
    @IBOutlet var moreButton: NSButton!
    @IBOutlet var buttonBottemOffset: NSLayoutConstraint!
    @IBOutlet var buttonTopOffset: NSLayoutConstraint!
    @IBOutlet var moreConvertBox: NSBox!
    @IBOutlet var moreConvertLabel: NSTextField!
    
    @IBOutlet var pageRangLabel: NSTextField!
    @IBOutlet var pageRangeBox: NSComboBox!
    
    @IBOutlet var convertButton: NSButton!
    @IBOutlet var cancelButton: NSButton!
    @IBOutlet var batchButton: NSButton!
    @IBOutlet var upgradeButton: NSButton!
    
    @IBOutlet var  separateStypeTopOffset: NSLayoutConstraint!
    @IBOutlet var separateButton: NSButton!
    @IBOutlet var singleButton: NSButton!
    @IBOutlet var separateStypeBox: NSBox!
    
    @IBOutlet var extractTableButton: NSButton!
    @IBOutlet var extractTableTopOffset: NSLayoutConstraint!
    @IBOutlet var separateStypeLabel: NSTextField!
    
    @IBOutlet var excelStyleBox: NSBox!
    @IBOutlet var onlyTextBtn: NSButton!
    @IBOutlet var onlyTableBtn: NSButton!
    @IBOutlet var allContentBtn: NSButton!
    @IBOutlet var tableMenu1: NSMenuItem!
    @IBOutlet var tableMenu2: NSMenuItem!
    @IBOutlet var tableMenu3: NSMenuItem!
    @IBOutlet var allContentMenu2: NSMenuItem!
    @IBOutlet var allContentMenu3: NSMenuItem!
    @IBOutlet var tableMenu: NSPopUpButton!
    @IBOutlet var allContentMenu: NSPopUpButton!
    @IBOutlet var ocrBox: NSBox!
    
    @IBOutlet var ocrLabel: NSTextField!
    @IBOutlet var ocrButton: NSButton!
    @IBOutlet var ocrLanguageBox: NSPopUpButton!
    @IBOutlet var ocrTopOffset: NSLayoutConstraint!

    var isAllInOneSheet = false
    var modalSession: NSApplication.ModalSession?
    
    var pdfDocument: CPDFDocument?
    var maskView: KMBookletMaskView?
    var convertType: KMConvertType = .Word
    var imageDPINumber: Int = 0
    var callBackBlock: convertBatchCallBack?
    var currentPage: CPDFPage?
    var savePath: String = ""
    var lockPassword: String = ""
    var tempPDFDocument: CPDFDocument?
    
    var excelContentOption: CPDFConvertExcelContentOptions?
    var excelWorksheetOption: CPDFConvertExcelWorksheetOptions?
    
    private var fileAttri_: KMFileAttribute?
    
    private var ocrLanguage_: COCRLanguage = .english
    
    deinit {
#if DEBUG
        NSLog("====KMConvertWindowController==deinit")
#endif
    }
    
    convenience init(documemtV:CPDFDocument, currentPage:CPDFPage, convertT:KMConvertType, handle:@escaping convertBatchCallBack) {
        self.init(windowNibName: "KMConvertWindowController")
        if (documemtV.documentURL != nil) {
            let pageIndex = documemtV.index(for: currentPage)
            self.pdfDocument = CPDFDocument(url: documemtV.documentURL)
            let isLoc: Bool = self.pdfDocument!.isLocked
            if (!documemtV.isLocked && isLoc) {
                self.lockPassword = documemtV.password
                self.pdfDocument?.unlock(withPassword: self.lockPassword)
            }
            self.currentPage = self.pdfDocument?.page(at: pageIndex )
        } else {
            self.pdfDocument = documemtV
            self.currentPage = currentPage
        }
        self.callBackBlock = handle
        if convertT.rawValue > 15 || convertT.rawValue < 0 {
            self.convertType = .Word
        } else {
            self.convertType = convertT
        }
    }
    
    convenience init(localPath:String, handle:@escaping convertBatchCallBack) {
        self.init(windowNibName: "KMConvertWindowController")
        self.pdfDocument = CPDFDocument(url: URL(fileURLWithPath: localPath))
        self.callBackBlock = handle
        let isLoc: Bool = self.pdfDocument!.isLocked
        if (isLoc) {
            DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.5) {
                let url = self.pdfDocument?.documentURL
                KMBaseWindowController.checkPassword(url: url!, type: .owner) { [weak self] success, resultPassword in
                    if success {
                        self?.lockPassword = resultPassword
                        self?.pdfDocument?.unlock(withPassword: resultPassword)
                        self?.currentPage = self?.pdfDocument?.page(at: 0)
                        self?.convertType = .Word
                    }
                }
            }
        }
    }
    
    override func windowDidLoad() {
        super.windowDidLoad()
        let preView: CPDFView = CPDFView(frame: self.prePdfBGView.bounds)
        self.prePdfBGView.addSubview(preView)
        self.prePDFView = preView
        self.ocrBox.fillColor = .gridColor
        localizedLanguage()
        self.currentPageIndexTextField.delegate = self;
        
        pageRangLabel.stringValue = KMLocalizedString("Page Range:", nil)
        pageRangeBox.addItem(withObjectValue: KMLocalizedString("All Pages", nil))
        pageRangeBox.addItem(withObjectValue: KMLocalizedString("Current Page", nil))
        pageRangeBox.addItem(withObjectValue: KMLocalizedString("Odd Pages Only", nil))
        pageRangeBox.addItem(withObjectValue: KMLocalizedString("Even Pages Only", nil))
        pageRangeBox.addItem(withObjectValue: KMLocalizedString("e.g. 1,3-5,10", nil))
        (pageRangeBox.cell as? NSComboBoxCell)?.placeholderString = KMLocalizedString("e.g. 1,3-5,10", nil)
        pageRangeBox.selectItem(at: 0)
        pageRangeBox.isEditable = false

        ocrLanguageBox.selectItem(at: 2)
        ocrLabel.textColor = KMAppearance.Layout.h2Color()
        ocrLanguageBox.isEnabled = false
        ocrButton.state = .off

        let isLoc: Bool = self.pdfDocument!.isLocked
        if (isLoc) {
            self.showWaitting()
            DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                let url = URL(fileURLWithPath: self.pdfDocument!.documentURL.path)
                KMBaseWindowController.checkPassword(url: url, type: .owner) { result, password in
                    self.hideWaitting()
                    if password.count > 0 {
                        let unlockSuccess: Bool = ((self.pdfDocument?.unlock(withPassword: password)) != nil)
                        self.lockPassword = password
                        if unlockSuccess {
                            self.currentPage = self.pdfDocument?.page(at: 0)
                        }
                        self.configuView()
                    } else {
                        self.buttonClicked_Cancel(self.cancelButton)
                    }
                }
            }
        } else {
            self.configuView()
        }
        if #available(macOS 10.14, *) {
            let appearanceName = NSApp.effectiveAppearance.bestMatch(from: [.aqua, .darkAqua])
            if appearanceName == .darkAqua {
                moreConvertLabel.textColor = NSColor.white
            }
        }
        isAllInOneSheet = false
        separateButton.state = .on
        singleButton.state = .off
        allContentBtn.state = .on
        allContentMenu.isEnabled = true
        tableMenu.isEnabled = false
        excelContentOption = .allContent
        excelWorksheetOption = .forEachPage
        
        NotificationCenter.default.addObserver(self, selector: #selector(PDFViewDocumentChangedNotification(notification:)), name: NSNotification.Name.CPDFViewPageChanged, object: nil)
    }
    
    @objc func PDFViewDocumentChangedNotification(notification: NSNotification) {
        let pageIndex = self.prePDFView.currentPageIndex+1
        self.currentPageIndexTextField.stringValue = "\(pageIndex)"
    }
    
    func windowShouldClose(_ sender: NSWindow) -> Bool {
        self.dismissSheet()
        return true
    }
    
    func localizedLanguage() {
        formatLabel.stringValue = KMLocalizedString("Format:", nil)
        separateButton.title = KMLocalizedString("Convert each page to a separate worksheet", nil)
        singleButton.title = KMLocalizedString("Convert all pages to a single worksheet", nil)
        ocrBox.title = KMLocalizedString("OCR Settings", nil)
        ocrLabel.stringValue = KMLocalizedString("Language Option", nil) + ":"
        ocrButton.title = KMLocalizedString("Recognize text", nil)

        separateStypeLabel.stringValue = KMLocalizedString("Excel Worksheet Settings", nil)
        extractTableButton.title = KMLocalizedString("Extract Tables Only", nil)
        
        batchButton.title = KMLocalizedString("Batch", nil)
        cancelButton.title = KMLocalizedString("Cancel", nil)
        convertButton.title = KMLocalizedString("Convert", nil)
        upgradeButton.title = KMLocalizedString("Upgrade", nil)
        
        onlyTextBtn.title = KMLocalizedString("Only Text", nil)
        onlyTableBtn.title = KMLocalizedString("Only Table", nil)
        allContentBtn.title = KMLocalizedString("All Content", nil)
        tableMenu1.title = KMLocalizedString("Create Sheet for each Table", nil)
        tableMenu2.title = KMLocalizedString("Create Sheet for each Page", nil)
        allContentMenu2.title = KMLocalizedString("Create Sheet for each Page", nil)
        tableMenu3.title = KMLocalizedString("Create single Sheet for File", nil)
        allContentMenu3.title = KMLocalizedString("Create single Sheet for File", nil)
    }
    
    func hideWaitting() {
        maskView?.removeFromSuperview()
    }
    func showWaitting() {
        if maskView == nil {
            maskView = KMBookletMaskView(frame: CGRect(x: 0, y: 0, width: self.window?.frame.size.width ?? 0, height: self.window?.frame.size.height ?? 0))
        }
        self.window?.contentView?.addSubview(maskView!)
    }
    func configuView() {
        self.prePDFView.autoScales = true
        self.prePDFView.wantsLayer = true
        self.prePDFView.document = self.pdfDocument
        self.imageDPISelectButton.removeAllItems()
        self.formatSelectButton.removeAllItems()
        
        let dpiArray = ["50 dpi", "72 dpi", "96 dpi", "150 dpi", "300 dpi", "600 dpi"]
        let formArray = ["Excel (.xlsx)", "PowerPoint (.pptx)", "RTF (.rtf)", "CSV (.csv)", "Html (.html)", "Text (.txt)", "JPEG (.jpeg)", "JPG (.jpg)", "PNG (.png)", "GIF (.gif)", "TIFF (.tiff)", "TGA (.tga)", "BMP (.bmp)", "JPEG-2000 (.jp2)","Json(.json)"]
        
        for (index, string) in formArray.enumerated() {
            let item = NSMenuItem()
            item.title = string
            item.target = self
            item.tag = index + 1
            self.formatSelectButton.menu?.addItem(item)
        }
        
        var isShowAdvanced = false
        let wordItem = NSMenuItem()
        wordItem.title = "Word (.docx)"
        wordItem.target = self
        
        var isShowUpgrade = false
        
        var convertSample: KMConvertType = .Word
        
#if VERSION_FREE
#if VERSION_DMG
        // 桌机版
        wordItem.tag = convertSample.rawValue
        isShowAdvanced = true
        if IAPProductsManager.default().isAvailableAllFunction() {
            if IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
                convertSample = .AdvancedWord
                wordItem.tag = convertSample.rawValue
                isShowAdvanced = false
            } else {
                isShowUpgrade = true
            }
        } else {
            isShowUpgrade = true
        }
#else
        // 免费版
        convertSample = .Word
        wordItem.tag = convertSample.rawValue
        isShowAdvanced = true
        if IAPProductsManager.default().isAvailableAllFunction() {
            if IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
                convertSample = .AdvancedWord
                wordItem.tag = convertSample.rawValue
                isShowAdvanced = false
            } else {
                isShowUpgrade = true
            }
        } else {
            isShowUpgrade = true
        }
        
#endif
#else
        convertSample = .Word
        wordItem.tag = convertSample.rawValue
        // 付费版
        isShowAdvanced = true
        if IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
            isShowAdvanced = false
            convertSample = .AdvancedWord
            wordItem.tag = convertSample.rawValue
        } else {
            isShowUpgrade = true
        }
#endif
        
        if wordItem.title != "" {
            if isShowAdvanced {
                let originStr = " \(KMLocalizedString("Standard", nil)) "
                let str = KMLocalizedString("Word (.docx)", nil)
                
                let attributedStr = NSMutableAttributedString(string: "\(str)  \(originStr)")
                
                attributedStr.addAttribute(NSAttributedString.Key.backgroundColor, value: NSColor(red: 40/255.0, green: 193.0/255.0, blue: 107.0/255.0, alpha: 1.0), range: NSMakeRange(str.count + 2, originStr.count))
                
                attributedStr.addAttribute(NSAttributedString.Key.foregroundColor, value: NSColor.white, range: NSMakeRange(str.count + 2, originStr.count))
                
                let item = NSMenuItem()
                item.attributedTitle = attributedStr
                item.target = self
                item.tag = wordItem.tag
                self.formatSelectButton.menu?.insertItem(item, at: 0)
            } else {
                self.formatSelectButton.menu?.insertItem(wordItem, at: 0)
            }
        }
        if !isShowUpgrade {
            self.upgradeButton.isHidden = true
        }
        
        var selectIndex = 0
        if isShowAdvanced {
            let originStr = " \(NSLocalizedString("Advanced", comment: "")) "
            let str = NSLocalizedString("Word (.docx)", comment: "")
            
            let attributedStr = NSMutableAttributedString(string: "\(str)  \(originStr)")
            
            attributedStr.addAttribute(NSAttributedString.Key.backgroundColor, value: NSColor(red: 245.0/255.0, green: 142.0/255.0, blue: 38.0/255.0, alpha: 1.0), range: NSMakeRange(str.count + 2, originStr.count))
            
            attributedStr.addAttribute(NSAttributedString.Key.foregroundColor, value: NSColor.white, range: NSMakeRange(str.count + 2, originStr.count))
            
            let item = NSMenuItem()
            item.attributedTitle = attributedStr
            item.target = self
            convertSample = .AdvancedWord
            item.tag = convertSample.rawValue
            self.formatSelectButton.menu?.insertItem(item, at: 0)
            
        }
        
        if self.convertType == .Word {
            selectIndex = 0
        } else {
            selectIndex = self.convertType.rawValue
            if isShowAdvanced {
                selectIndex += 1
            }
            if wordItem.title == "" {
                selectIndex -= 1
            }
        }
        
        self.formatSelectButton.selectItem(at: selectIndex)
        let item = self.formatSelectButton.selectedItem
        self.convertType = KMConvertType(rawValue: item?.tag ?? 0) ?? .Word
        
        self.imageDPISelectButton.isHidden = true
        self.buttonTopOffset.constant = -26
        
        self.imageDPISelectButton.addItems(withTitles: dpiArray)
        self.imageDPISelectButton.selectItem(at: 3)
        self.imageDPINumber = 150
        
        self.totalPageCountLabel.stringValue = " / \(self.pdfDocument?.pageCount ?? 1)"
        self.totalPageCountLabel.textColor = KMAppearance.Layout.h2Color()
        
        self.updataView()
        
        self.prePDFView.go(to: currentPage)
        let pageIndex = self.prePDFView.currentPageIndex+1
        self.currentPageIndexTextField.stringValue = "\(pageIndex)"
        if let documentURL = self.pdfDocument?.documentURL{
            self.pdfDocument = CPDFDocument(url: documentURL)
            if !lockPassword.isEmpty && lockPassword.count > 0{
                self.pdfDocument?.unlock(withPassword: lockPassword)
            }
            self.prePDFView.document = self.pdfDocument
            
            self.fileAttri_ = KMFileAttribute()
            self.fileAttri_?.filePath = documentURL.path
        }
        self.prePDFView.setDisplay(.singlePage)
        self.prePDFView.layoutDocumentView()
    }
    func updataView() {
        var moreLabelString: String = ""
        var offset: CGFloat = 0
        excelStyleBox.isHidden = true
#if VERSION_FREE
        // 座机版
        if !IAPProductsManager.default().isAvailableAllFunction() {
            moreLabelString = String(format: "%@ %@", KMLocalizedString("The first 10 pages for free"), KMLocalizedString("Unlimited Convert"))
        } else {
            if !IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
                if .Word == self.convertType ||
                    self.convertType == .AdvancedWord ||
                    .Excel == self.convertType ||
                    .PPT == self.convertType ||
                    .CSV == self.convertType ||
                    .RTF == self.convertType ||
                    .GIF == self.convertType ||
                    .TIFF == self.convertType ||
                    .JP2 == self.convertType ||
                    .BMP == self.convertType ||
                    .TGA == self.convertType ||
                    .Json == self.convertType {
                    moreLabelString = String(format: "%@ %@", KMLocalizedString("The first 10 pages for free"), KMLocalizedString("Unlimited Convert"))
                }
            }
        }
        
#else
        // 付费版
        if !(IAPProductsManager.default().isAvailableAdvancedPDFToOffice()) {
            if .Word == self.convertType ||
                self.convertType == .AdvancedWord ||
                .Excel == self.convertType ||
                .PPT == self.convertType ||
                .CSV == self.convertType ||
                .RTF == self.convertType ||
                .GIF == self.convertType ||
                .TIFF == self.convertType ||
                .JP2 == self.convertType ||
                .BMP == self.convertType ||
                .TGA == self.convertType ||
                .Json == self.convertType {
                moreLabelString = String(format: "%@ %@", KMLocalizedString("The first 10 pages for free"), KMLocalizedString("Unlimited Convert"))
            }
        }
#endif
        
        if convertType.rawValue >= 7 && convertType.rawValue <= 14 {
            offset += imageDPISelectButton.frame.size.height
            imageDPISelectButton.isHidden = false
            buttonTopOffset.constant = 5
        } else {
            imageDPISelectButton.isHidden = true
            buttonTopOffset.constant = -26
        }
        
        if moreLabelString.count < 1 {
            offset += 5
            moreConvertBox.isHidden = true
            moreButton.isHidden = true
        } else {
            offset += (moreButton.frame.size.height + 5)
            moreConvertBox.isHidden = false
            moreButton.isHidden = false
            moreConvertLabel.stringValue = moreLabelString
            
            if let range = moreLabelString.range(of: NSLocalizedString("Unlimited Convert", comment: "")) {
                let newR: NSRange = moreLabelString.nsRange(from: range)!
                let attributedStr = NSMutableAttributedString(string: moreLabelString)
                attributedStr.addAttribute(.foregroundColor, value: NSColor.labelColor, range: NSRange(location: 0, length: newR.location - 1))
                attributedStr.addAttribute(.foregroundColor, value: NSColor(red: 8/255, green: 124/255, blue: 1, alpha: 1), range: newR)
                attributedStr.addAttribute(.underlineStyle, value: NSUnderlineStyle.single.rawValue, range: newR)
                moreConvertLabel.attributedStringValue = attributedStr
            }
        }
        
        if .Excel == convertType {
            separateStypeTopOffset.constant = separateStypeBox.frame.size.height + ocrBox.frame.size.height + 16 + 58
            extractTableTopOffset.constant = separateStypeBox.frame.size.height + 50
            ocrTopOffset.constant = 128
            separateStypeBox.isHidden = true
            extractTableButton.isHidden = true
            excelStyleBox.isHidden = false
            separateStypeLabel.isHidden = false
            ocrBox.isHidden = false
            separateStypeLabel.stringValue = NSLocalizedString("Excel Worksheet Settings", comment: "")
            separateButton.title = NSLocalizedString("Convert each page to a separate worksheet", comment: "")
            singleButton.title = NSLocalizedString("Convert all pages to a single worksheet", comment: "")
            buttonClicked_extractTable(extractTableButton)
        } else if .AdvancedWord == convertType {
            singleButton.setTitleColor(NSColor.labelColor)
            separateButton.setTitleColor(NSColor.labelColor)
            separateStypeLabel.textColor = NSColor.labelColor
            separateButton.state = NSControl.StateValue.on
            singleButton.isEnabled = true
            separateButton.isEnabled = true
            isAllInOneSheet = false
            separateStypeTopOffset.constant = separateStypeBox.frame.size.height + 40  + ocrBox.frame.size.height
            ocrTopOffset.constant = separateStypeBox.frame.size.height + 40
            extractTableButton.isHidden = true
            separateStypeBox.isHidden = false
            separateStypeLabel.isHidden = false
            separateStypeLabel.stringValue = NSLocalizedString("Layout Settings", comment: "")
            separateButton.title = NSLocalizedString("Retain Flowing Text", comment: "")
            singleButton.title = NSLocalizedString("Retain Page Layout", comment: "")
            ocrBox.isHidden = false
        } else if .Json == convertType {
            singleButton.setTitleColor(NSColor.labelColor)
            separateButton.setTitleColor(NSColor.labelColor)
            separateStypeLabel.textColor = NSColor.labelColor
            separateButton.state = NSControl.StateValue.on
            singleButton.isEnabled = true
            separateButton.isEnabled = true
            isAllInOneSheet = false
            separateStypeTopOffset.constant = separateStypeBox.frame.size.height + 40  + ocrBox.frame.size.height
            ocrTopOffset.constant = separateStypeBox.frame.size.height + 40
            extractTableButton.isHidden = true
            separateStypeBox.isHidden = false
            separateStypeLabel.isHidden = false
            separateStypeLabel.stringValue = NSLocalizedString("Json Worksheet Settings", comment: "")
            separateButton.title = NSLocalizedString("Extract text content", comment: "")
            singleButton.title = NSLocalizedString("Extract tables", comment: "")
            ocrBox.isHidden = false
        } else if .CSV == convertType {
            separateStypeTopOffset.constant = extractTableButton.frame.size.height + 30
            extractTableTopOffset.constant = 12
            extractTableButton.isHidden = false
            separateStypeBox.isHidden = true
            separateStypeLabel.isHidden = true
            ocrBox.isHidden = true
            
        } else if (.PPT == convertType || .RTF == convertType)  {
            separateStypeTopOffset.constant = ocrBox.frame.size.height + 10
            ocrTopOffset.constant = 10
            separateStypeBox.isHidden = true
            extractTableButton.isHidden = true
            separateStypeLabel.isHidden = true
            ocrBox.isHidden = false
        } else if (.HTML == convertType ||
            .Text == convertType)  {
            separateStypeTopOffset.constant = ocrBox.frame.size.height + 10
            ocrTopOffset.constant = 10
            separateStypeBox.isHidden = true
            extractTableButton.isHidden = true
            separateStypeLabel.isHidden = true
            ocrBox.isHidden = false
        } else {
            separateStypeTopOffset.constant = 10
            separateStypeBox.isHidden = true
            extractTableButton.isHidden = true
            separateStypeLabel.isHidden = true
            ocrBox.isHidden = true
        }
        
        buttonBottemOffset.constant = offset
    }
    @IBAction func buttonClicked_extractTable(_ sender: NSButton) {
        if extractTableButton.state == .on {
            singleButton.setTitleColor(KMAppearance.Layout.b15_1Color())
            separateButton.setTitleColor(KMAppearance.Layout.b15_1Color())
            separateStypeLabel.textColor = KMAppearance.Layout.b15_1Color()
            singleButton.isEnabled = false
            separateButton.isEnabled = false
            separateButton.state = .off
            singleButton.state = .off
        } else {
            singleButton.setTitleColor(NSColor.labelColor)
            separateButton.setTitleColor(NSColor.labelColor)
            separateStypeLabel.textColor = NSColor.labelColor
            separateButton.state = .on
            singleButton.isEnabled = true
            separateButton.isEnabled = true
            isAllInOneSheet = false
        }
    }
    @IBAction func buttonClicked_Cancel(_ sender: NSButton) {
        dismissSheet()
    }
    
    func dismissSheet() {
        if FileManager.default.fileExists(atPath: kConvertFileSavePath ?? "") {
            do {
                try FileManager.default.removeItem(atPath: kConvertFileSavePath ?? "")
            } catch {
                print("Error removing item at path: (error.localizedDescription)")
            }
        }
//        if self.prePDFView.document != nil {
//            self.prePDFView.document = nil
//        }
//        if self.tempPDFDocument != nil {
//            self.tempPDFDocument = nil
//        }
        self.km_quick_endSheet()
    }
    func showCriticalAlert(_ alertMsg: String?) {
        let alert = NSAlert()
        alert.alertStyle = .critical
        if let msg = alertMsg {
            alert.informativeText = msg
        } else {
            let st = self.pdfDocument?.documentURL.lastPathComponent.count ?? 0 > 0 ? self.pdfDocument?.documentURL.lastPathComponent : KMLocalizedString("Untitled.pdf", nil)
            
            alert.messageText = String(format: "%@ %@", st!, KMLocalizedString("Invalid page range or the page number is out of range. Please try again.", nil))
        }
        alert.runModal()
    }
    func produceNewPDF(with pagesArray: [CPDFPage]) {
        tempPDFDocument = nil
//        if self.tempPDFDocument == nil || self.tempPDFDocument!.isLocked {
            self.tempPDFDocument = CPDFDocument()
//        }
        var indexs = IndexSet()
        let pageCount = self.pdfDocument?.pageCount ?? 0
        for addedPage in pagesArray {
//            tempPDFDocument?.insertPageObject(addedPage, at: tempPDFDocument!.pageCount)
            let idx = addedPage.pageIndex()
            if idx >= 0 && idx < pageCount {
                indexs.insert(IndexSet.Element(idx))
            }
        }
//        self.tempPDFDocument?.removePage(at: IndexSet(integersIn: 0..<(Int(self.tempPDFDocument?.pageCount ?? 0))))
        _ = self.tempPDFDocument?.importPages(indexs, from: self.pdfDocument, at: 0)
        self.prePDFView.document = self.tempPDFDocument
        self.prePDFView.layoutDocumentView()
        self.prePDFView.goToFirstPage(nil)
        self.currentPageIndexTextField.stringValue = "1"
        self.totalPageCountLabel.stringValue = " / \(self.tempPDFDocument!.pageCount)"
    }
   
    @IBAction func buttonClicked_FormatSelect(_ sender: NSButton) {
        guard let item = self.formatSelectButton.selectedItem else { return }
        self.convertType =  KMConvertType(rawValue: item.tag) ?? .Word
        updataView()
    }
    func transform(with string: String) {
        if string == KMLocalizedString("Create Sheet for each Table", nil) {
            self.excelWorksheetOption = .forEachTable
        } else if string == KMLocalizedString("Create Sheet for each Page", nil) {
            self.excelWorksheetOption = .forEachPage
        } else if string == KMLocalizedString("Create single Sheet for File", nil) {
            self.excelWorksheetOption = .forTheDocument
        }
    }
    @IBAction func buttonClicked_excelStyle(_ sender: NSButton) {
        if sender.isEqual(self.onlyTextBtn) {
            self.tableMenu.isEnabled = false
            self.allContentMenu.isEnabled = false
            self.excelContentOption = .onlyText
            self.excelWorksheetOption = .forEachTable
        } else if (sender.isEqual(self.onlyTableBtn)) {
            self.tableMenu.isEnabled = true
            self.allContentMenu.isEnabled = false
            self.excelContentOption = .onlyTable
            transform(with: self.tableMenu.selectedItem?.title ?? "")
        } else if (sender.isEqual(self.allContentBtn)) {
            self.tableMenu.isEnabled = false
            self.allContentMenu.isEnabled = true
            self.excelContentOption = .allContent
            transform(with: self.allContentMenu.selectedItem?.title ?? "")
        }
    }
    @IBAction func buttonClicked_tableMenu(_ sender: NSButton) {
        transform(with: self.tableMenu.selectedItem?.title ?? "")
    }
    @IBAction func buttonClicked_allContentMenu(_ sender: NSButton) {
        transform(with: self.allContentMenu.selectedItem?.title ?? "")
    }
   
    @IBAction func buttonClicked_DpiSelect(_ sender: NSPopUpButton) {
        let index = sender.indexOfSelectedItem
        var dpi = 0
        if index == 0 {
            dpi = 50
        } else if index == 1 {
            dpi = 72
        } else if index == 2 {
            dpi = 96
        } else if index == 3 {
            dpi = 150
        } else if index == 4 {
            dpi = 300
        } else if index == 5 {
            dpi = 600
        }
        self.imageDPINumber = dpi
    }
    @IBAction func buttonClick_PreviousPage(_ sender: NSButton) {
        if self.prePDFView.canGoToPreviousPage() {
            self.prePDFView.goToPreviousPage(nil)
            let currentIndex = self.prePDFView.document?.index(for: self.prePDFView.currentPage()) ?? 0
            self.currentPageIndexTextField.stringValue = "\(currentIndex + 1)"
        }
    }
    @IBAction func buttonClicked_NextPage(_ sender: NSButton) {
        if self.prePDFView.canGoToNextPage() {
            self.prePDFView.goToNextPage(nil)
            let currentIndex = self.prePDFView.document?.index(for: self.prePDFView.currentPage())
            self.currentPageIndexTextField.stringValue = "\((currentIndex ?? 0) + 1)"
        }
    }
    @IBAction func buttonClicked_Batch(_ sender: NSButton) {
        if !IAPProductsManager.default().isAvailableAllFunction() {
            KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
            return
        }
        if self.pdfDocument?.documentURL == nil {
            NSSound.beep()
            return
        }
        
        if self.callBackBlock != nil {
            self.callBackBlock!()
            self.callBackBlock = nil
        }
        dismissSheet()
    }
    @IBAction func buttonClicked_Convert(_ sender: Any) {
        self.window?.makeFirstResponder(self.prePDFView)
        if (4 == pageRangeBox.indexOfSelectedItem) {
            if self.fileAttri_ == nil {
                self.fileAttri_ = KMFileAttribute()
                self.fileAttri_?.filePath = self.pdfDocument?.documentURL.path ?? ""
            }
//            fileAttri_.pdfDocument = self.pdfDocument
            self.fileAttri_?.bAllPage = false
            self.fileAttri_?.pagesType = .custom
            self.fileAttri_?.pagesString = pageRangeBox.stringValue
            let pages = self.fileAttri_?.fetchSelectPages() ?? []
            if pages.isEmpty {
                return
            }
        }
        let openPanel = NSOpenPanel()
        openPanel.canChooseFiles = false
        openPanel.canChooseDirectories = true
        openPanel.canCreateDirectories = true
        openPanel.beginSheetModal(for: self.window!) { result in
            if result == .OK {
                self.savePath = openPanel.url!.path
                self.beginConvert()
            }
        }
    }
    func beginConvert() {
        var isLimitConvert = false
        
#if VERSION_FREE
#if VERSION_DMG
        // 桌机版
        if IAPProductsManager.default().isAvailableAllFunction() {
            if IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
                isLimitConvert = false
            } else {
                if (.PNG == self.convertType ||
                    .JPEG == self.convertType ||
                    .JPG == self.convertType ||
                    .HTML == self.convertType ||
                    .Text == self.convertType ||
                    .Word == self.convertType) {
                    isLimitConvert = false
                } else {
                    isLimitConvert = true
                }
            }
        } else {
            isLimitConvert = true
        }
#else
        // 免费版
        if IAPProductsManager.default().isAvailableAdvancedPDFToOffice() == false {
            isLimitConvert = true
        }
#endif
#else
        // 付费版
        if IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
            isLimitConvert = false
        } else {
            if (.PNG == self.convertType ||
                .JPEG == self.convertType ||
                .JPG == self.convertType ||
                .HTML == self.convertType ||
                .Text == self.convertType ||
                .Word == self.convertType) {
                isLimitConvert = false
            } else {
                isLimitConvert = true
            }
        }
#endif
        
        self.showWaitting()
        let pages = NSMutableArray()
        DispatchQueue.global(qos: .background).async { [self] in
            let filePath = getConvertFileSavePath()
            if (FileManager.default.fileExists(atPath: filePath)) {
                try?FileManager.default.removeItem(atPath: filePath)
            }
            if self.prePDFView.document.write(toFile: filePath) {
                for i in 0..<self.prePDFView.document.pageCount {
                    pages.add(i + 1)
                }
            }
            
            DispatchQueue.main.async {
                if pages.count < 1 {
                    self.hideWaitting()
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = "\(self.pdfDocument?.documentURL.path.lastPathComponent ?? NSLocalizedString("Untitled", comment: "")) \(NSLocalizedString("Invalid page range or the page number is out of range. Please try again.", comment: ""))"
                    alert.runModal()
                    return
                }
                
                let pageCount = pages.count
                var selectPages = [Int]()
                if isLimitConvert {
                    if pageCount >= 10 {
                        for i in 0..<10 {
                            selectPages.append(pages[i] as! Int)
                        }
                    } else {
                        selectPages = pages as! [Int]
                    }
                } else {
                    selectPages = pages as! [Int]
                }
                
                var convert = KMPDFConvert()
                if self.convertType == .Json {
                    convert = KMPDFConvertJson()
                    convert.isAllInOneSheet = self.isAllInOneSheet
                } else if self.convertType == .AdvancedWord || self.convertType == .Word  {
                    convert = KMPDFConvertWord()
                    let data = convert as? KMPDFConvertWord
                    data?.layoutOptions = self.isAllInOneSheet ? .retainPageLayout : .retainFlowingText
                    convert.isAllInOneSheet = self.isAllInOneSheet
                } else if self.convertType == .Excel {
                    convert = KMPDFConvertExcel()
                    convert.isExtractText = false
                    convert.isExtractTable = false
                    convert.isAllInOneSheet = self.excelWorksheetOption == .forTheDocument
                    if self.onlyTextBtn.state == .on {
                        convert.isExtractText = true
                    } else if self.onlyTableBtn.state == .on {
                        convert.isExtractTable = true
                        convert.extractTableIndex = self.excelWorksheetOption?.rawValue ?? 0
                    }
                } else if self.convertType == .PPT {
                    convert = KMPDFConvertPPT()
                } else if self.convertType == .Text {
                    convert = KMPDFConvertText()
                } else if self.convertType == .RTF {
                    convert = KMPDFConvertRTF()
                } else if self.convertType == .HTML {
                    convert = KMPDFConvertHTML()
                } else if self.convertType == .CSV {
                    convert = KMPDFConvertCSV()
                    convert.isExtractTable = self.extractTableButton.state == .on
                } else {
                    if self.convertType == .JPEG ||
                                self.convertType == .JPG ||
                                self.convertType == .PNG ||
                                self.convertType == .GIF ||
                                self.convertType == .TIFF ||
                                self.convertType == .TGA ||
                                self.convertType == .BMP ||
                        self.convertType == .JP2 {
                        convert = KMPDFConvertImage()
                        let data = convert as? KMPDFConvertImage
                        if self.convertType == .JPEG {
                            data?.imageType = .JPEG
                        } else if self.convertType == .JPG {
                            data?.imageType = .JPEG
                        } else if self.convertType == .PNG {
                            data?.imageType = .PNG
                        }
//                        else if self.convertType == .GIF {
//                        } else if self.convertType == .TIFF {
//                        } else if self.convertType == .TGA {
//                        } else if self.convertType == .BMP {    
//                        }
                        data?.imageDpi = self.imageDPINumber
                    }
                }
                convert.isAllowOCR = self.ocrButton.state == .on
                convert.ocrLanguage = convert.isAllowOCR ? self.ocrLanguage_ : .english
                convert.filePath = filePath
                convert.pages = selectPages
//                convert.isAllInOneSheet = self.isAllInOneSheet
                if self.convertType == .Word {
                    convert.type = 0
                } else {
                    convert.type = 1
                }
//                convert.isExtractTable = self.extractTableButton.state == .on
                convert.outputFolderPath = self.savePath
                convert.outputFileName = (self.pdfDocument?.documentURL.deletingPathExtension().lastPathComponent) ?? NSLocalizedString("Untitled", comment: "")
                if self.convertType == .AdvancedWord {
                    convert.convertType = .word
                } else if self.convertType == .JPEG ||
                            self.convertType == .JPG ||
                            self.convertType == .PNG ||
                            self.convertType == .GIF ||
                            self.convertType == .TIFF ||
                            self.convertType == .TGA ||
                            self.convertType == .BMP ||
                            self.convertType == .JP2 {
                    convert.convertType = KMPDFConvertType(rawValue: self.convertType.rawValue) ?? .word
                    convert.options = [KMPDFConvertOptionsKeyImageDPI : self.imageDPINumber,
                            KMPDFConvertOptionsKeyImageWithAnnotation : true] as [String : Any]
                } else {
                    convert.convertType = KMPDFConvertType(rawValue: self.convertType.rawValue) ?? .word
                }
                if self.convertType == .Excel {
                    convert.excelContentOption = self.excelContentOption
                    convert.excelWorksheetOption = self.excelWorksheetOption
                }
                convert.password = self.lockPassword
                
                KMPDFConvertManager.defaultManager.convert(convert: convert) { [weak self] (finished, error) in
                    self?.hideWaitting()
                    if finished {
                        self?.dismissSheet()
                        if FileManager.default.fileExists(atPath: convert.outputFilePath) {
                            let workspace = NSWorkspace.shared
                            let url = URL(fileURLWithPath: convert.outputFilePath)
                            workspace.activateFileViewerSelecting([url])
                        }
                    } else if let error = error {
                        let err: NSError = error as NSError
                        var erroeString = ""
                        switch err.code {
                        case CPDFConverterEncryptError:
                            erroeString = NSLocalizedString("Password required or incorrect password. Please re-enter your password and try again", comment: "")
                            break
                        case CPDFConverterPermissionError:
                            erroeString = NSLocalizedString("The license doesn't allow the permission", comment: "")
                            break
                        case CPDFConverterMallocError:
                            erroeString = NSLocalizedString("Malloc failure", comment: "")
                            break
                        case CPDFConverterUnknownError:
                            erroeString = NSLocalizedString("Unknown error in processing conversion. Please try again later", comment: "")
                            break
                        case CPDFConverterPDFUnknownError:
                            erroeString = NSLocalizedString("Unknown error in processing PDF. Please try again later", comment: "")
                            break
                        case CPDFConverterPDFFileError:
                            erroeString = NSLocalizedString("File not found or could not be opened. Check if your file exists or choose another file to convert", comment: "")
                            break
                        case CPDFConverterPDFFormatError:
                            erroeString = NSLocalizedString("File not in PDF format or corruptead. Change a PDF file and try again", comment: "")
                            break
                        case CPDFConverterPDFSecurityError:
                            erroeString = NSLocalizedString("Unsupported security scheme", comment: "")
                            break
                        case CPDFConverterPDFPageError:
                            erroeString = NSLocalizedString("Page not found or content error", comment: "")
                            break
                        default:
                            erroeString = NSLocalizedString("Table not found", comment: "")
                            break
                        }
                        
                        let alert = NSAlert()
                        alert.alertStyle = .critical
                        alert.messageText = NSLocalizedString("Conversion Failed", comment: "")
                        alert.informativeText = erroeString
                        alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                        if #available(OSX 10.14, *) {
                            alert.beginSheetModal(for: self?.window! ?? NSWindow.currentWindow(), completionHandler: nil)
                        } else {
                            alert.runModal()
                        }
                    }
                }
            }
        }
    }
    func getConvertFileSavePath() -> String {
        var path = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.applicationSupportDirectory, FileManager.SearchPathDomainMask.userDomainMask, true).last
        path?.append("/")
        path?.append(Bundle.main.bundleIdentifier!)
        if (FileManager.default.fileExists(atPath: path!) == false) {
            try?FileManager.default.createDirectory(atPath: path!, withIntermediateDirectories: false)
        }
        
        path?.append("/")
        path?.append("convert.pdf")
        
        return path!
    }
    @IBAction func buttonClicked_MoreConvert(_ sender: NSButton) {
        if sender == self.moreButton {
            FMTrackEventManager.defaultManager.trackEvent(event: "PUW", withProperties: ["PUW_Btn": "Btn_PUW_Converter_Premium_UnlimitedConvertw"])
        } else if sender == self.upgradeButton {
            FMTrackEventManager.defaultManager.trackEvent(event: "PUW", withProperties: ["PUW_Btn": "Btn_PUW_Converter_Premium_Upgrade"])
        }
#if VERSION_DMG
        if IAPProductsManager.default().isAvailableAllFunction() && !IAPProductsManager.default().isAvailableAdvancedPDFToOffice() {
            let limitWC = KMPurchaseLimitWindowController.currentLimitWC()
            limitWC.continueBlock = { windowController in
                
            }
            limitWC.window?.center()
            limitWC.showWindow(nil)
        } else {
            let winC = KMPurchaseCompareWindowController.sharedInstance()
            if convertType == .Word || convertType == .AdvancedWord {
                winC?.kEventName = "Reading_PDFtoWord_BuyNow"
            } else if convertType == .Excel {
                winC?.kEventName = "Reading_PDFtoExcel_BuyNow"
            } else if convertType == .PPT {
                winC?.kEventName = "Reading_PDFtoPPT_BuyNow"
            } else if convertType == .RTF {
                winC?.kEventName = "Reading_PDFtoRTF_BuyNow"
            } else if convertType == .CSV {
                winC?.kEventName = "Reading_PDFtoCSV_BuyNow"
            } else if convertType == .Text {
                winC?.kEventName = "Reading_PDFtoText_BuyNow"
            }
            if convertType == .JPEG || convertType == .JPG || convertType == .PNG || convertType == .GIF || convertType == .TIFF || convertType == .TGA || convertType == .BMP || convertType == .JP2 {
                winC?.kEventName = "Reading_PDFtoImage_BuyNow"
            }
//            else if convertType == . {
//                winC?.kEventName = "Reading_PDFtoExcel_BuyNow"
//            }
            winC?.showWindow(nil)
        }
#else
        if IAPProductsManager.default().isAvailableAllFunction() {
            var vc: KMToolCompareWindowController? = nil
            if convertType == .Word || convertType == .AdvancedWord {
//                vc = KMToolCompareWindowController(toolType: .Convert, selectNum: 1)
                vc = KMToolCompareWindowController.toolCompare(toolType: .Convert, selectNum: 1)
            } else if convertType == .Excel {
//                vc = KMToolCompareWindowController(toolType: .Convert, selectNum: 2)
                vc = KMToolCompareWindowController.toolCompare(toolType: .Convert, selectNum: 2)
            } else if convertType == .PPT {
//                vc = KMToolCompareWindowController(toolType: .Convert, selectNum: 3)
                vc = KMToolCompareWindowController.toolCompare(toolType: .Convert, selectNum: 3)
            } else if convertType.rawValue < 15 && convertType.rawValue > 7 {
//                vc = KMToolCompareWindowController(toolType: .Convert, selectNum: 4)
                vc = KMToolCompareWindowController.toolCompare(toolType: .Convert, selectNum: 4)
            } else {
//                vc = KMToolCompareWindowController(toolType: .Convert, selectNum: 0)
                vc = KMToolCompareWindowController.toolCompare(toolType: .Convert, selectNum: 0)
            }
            vc?.showWindow(nil)
        } else {
            KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
        }
#endif
        self.buttonClicked_Cancel(self.cancelButton)
    }
    @IBAction func buttonItemClick_SepSingle(_ sender: Any) {
        if .on == self.singleButton.state {
            self.isAllInOneSheet = true
        } else {
            self.isAllInOneSheet = false
        }
    }
    
    func controlTextDidEndEditing(_ obj: Notification) {
        let object = obj.object
        if (object as AnyObject).isEqual(self.currentPageIndexTextField) == true {
            let num: Int = Int(self.currentPageIndexTextField.stringValue) ?? 1
            let targetPage = self.prePDFView.document.page(at: UInt(num - 1))
            self.prePDFView.go(to: targetPage)
        } else if (object as AnyObject).isEqual(self.pageRangeBox) == true {
//            guard self.handInputButton.state == .on else { return }
            let idx = self.pageRangeBox.indexOfSelectedItem
            if idx >= 0 && idx <= 3 { // 0 1 2 3
                return
            } else {
//            if self.pageRangeBox.indexOfSelectedItem != 4 { // 页面范围切换中
            }
            if self.fileAttri_ == nil {
                self.fileAttri_ = KMFileAttribute()
                self.fileAttri_?.filePath = self.pdfDocument?.documentURL.path ?? ""
            }
//            fileAttribute.pdfDocument = self.pdfDocument
            self.fileAttri_?.bAllPage = false
            self.fileAttri_?.pagesType = .custom
            self.fileAttri_?.pagesString = self.pageRangeBox.stringValue
            let pages = self.fileAttri_?.fetchSelectPages() ?? []
            if pages.count > 0 {
                let pagesArray = NSMutableArray()
                for pageNum in pages {
                    let tpage = self.pdfDocument?.page(at: UInt(pageNum - 1))
                    pagesArray.add(tpage as Any)
                }
                self.produceNewPDF(with: pagesArray as! [CPDFPage])
            } else {
                self.showCriticalAlert(nil)
            }
        }
    }
    
    func controlTextDidChange(_ obj: Notification) {
        if let textField = obj.object as? NSComboBox {
            if textField.isEqual(pageRangeBox) {
                if let stringValue = self.currentPageIndexTextField.formatter?.string(for: NSNumber(value: Float(self.currentPageIndexTextField.stringValue) ?? 0)) {
                    if let integerValue = Int(stringValue) {
                        var string = stringValue
                        if integerValue > self.prePDFView.document.pageCount {
                            string = "1-\(self.prePDFView.document.pageCount)"
                        } else if integerValue <= 0 {
                            string = "1"
                        }
                        self.currentPageIndexTextField.stringValue = string
                    }
                }
            }
        }
    }
    
    @IBAction func comboxClicked_PageRange(_ sender: NSComboBox) {
        if (0 == pageRangeBox.indexOfSelectedItem ||
            1 == pageRangeBox.indexOfSelectedItem ||
            2 == pageRangeBox.indexOfSelectedItem ||
            3 == pageRangeBox.indexOfSelectedItem) {
            self.window?.makeFirstResponder(self)
            pageRangeBox.isEditable = false
            pageRangeBox.delegate = nil
        } else {
            pageRangeBox.stringValue = pageRangeBox.stringValue
            pageRangeBox.isEditable = true
            pageRangeBox.delegate = self
            self.window?.makeFirstResponder(pageRangeBox)
        }
        
        self.lockPassword = ""
        let pagesArray = NSMutableArray()
        for i in 0..<(self.pdfDocument?.pageCount ?? 0) {
            let copyPage = self.pdfDocument?.page(at: i)
            pagesArray.add(copyPage!)
        }
        if (2 == pageRangeBox.indexOfSelectedItem) {
            pagesArray.subArray(type: .Odd)
            produceNewPDF(with: pagesArray as! [CPDFPage])
        } else if (3 == pageRangeBox.indexOfSelectedItem) {
            pagesArray.subArray(type: .Even)
            produceNewPDF(with: pagesArray as! [CPDFPage])
        } else if (1 == pageRangeBox.indexOfSelectedItem) {
            pagesArray.removeAllObjects()
            let page = self.prePDFView.currentPage()
            if (page != nil) {
                pagesArray.add(page as Any)
            }
            produceNewPDF(with: pagesArray as! [CPDFPage])
        }
    }
    
    @IBAction func comboxClicked_OcrLanguage(_ sender: AnyObject?) {
        switch (ocrLanguageBox.indexOfSelectedItem) {
            case 0: //chinese
                self.ocrLanguage_ = .chinese
                break
            case 1: //chinese zht
                self.ocrLanguage_ = .chineseTraditional
                break
            case 2: //English
                self.ocrLanguage_ = .english
                break
            case 3:
                //Japanese
                self.ocrLanguage_ = .japanese
                break
            case 4:
                //Kroean
                self.ocrLanguage_ = .korean
                break
            case 5:
                //Serbian
                self.ocrLanguage_ = .serbian
                break
            case 6:
                //Occitan
                self.ocrLanguage_ = .occitan
                break
            case 7:
                //Danish
                self.ocrLanguage_ = .danish
                break
            case 8:
                //German
                self.ocrLanguage_ = .german
                break
            case 9:
                //French
                self.ocrLanguage_ = .french
                break
            case 10:
                //Italian
                self.ocrLanguage_ = .italian
                break
            case 11:
                //Spanish
                self.ocrLanguage_ = .spanish
                break
            case 12:
                //Portuguese
                self.ocrLanguage_ = .portuguese
                break
            case 13:
                //Maori
                self.ocrLanguage_ = .maori
                break
            case 14:
                //Malay
                self.ocrLanguage_ = .malay
                break
            case 15:
                //Malay
                self.ocrLanguage_ = .maltese
                break
            case 16:
                //Dutch
                self.ocrLanguage_ = .dutch
                break
            case 17:
                //Norwegian
                self.ocrLanguage_ = .norwegian
                break
            case 18:
                //Polish
                self.ocrLanguage_ = .polish
                break
            case 19:
                //Romanian
                self.ocrLanguage_ = .romanian
                break
            case 20:
                //Slovak
                self.ocrLanguage_ = .slovak
                break
            case 21:
                //Slovenian
                self.ocrLanguage_ = .slovenian
                break
            case 22:
                //Albanian
                self.ocrLanguage_ = .albanian
                break
            case 23:
                //Swedish
                self.ocrLanguage_ = .swedish
                break
            case 24:
                //Swahili
                self.ocrLanguage_ = .swahili
                break
            case 25:
                //Tagalog
                self.ocrLanguage_ = .tagalog
                break
            case 26:
                //Turish
                self.ocrLanguage_ = .turish
                break
            case 27:
                //Uzbek
                self.ocrLanguage_ = .uzbek
                break
            case 28:
                //Vietnamese
                self.ocrLanguage_ = .vietnamese
                break
            case 29:
                //Afrikaans
                self.ocrLanguage_ = .afrikaans
                break
            case 30:
                //Azerbaijani
                self.ocrLanguage_ = .azerbaijani
                break
            case 31:
                //Bosnian
                self.ocrLanguage_ = .bosnian
                break
            case 32:
                //Czech
                self.ocrLanguage_ = .czech
                break
            case 33: //Welsh
                self.ocrLanguage_ = .welsh
                break
            case 34: //Estonian
                self.ocrLanguage_ = .estonian
                break
             case 35: //Irish
                self.ocrLanguage_ = .irish
                break
             case 36: //Croatian
                self.ocrLanguage_ = .croatian
                break
            case 37: //Hungarian
                self.ocrLanguage_ = .hungarian
                break
            case 38: //Indonesian
                self.ocrLanguage_ = .indonesian
                break
            case 39: //Icelandic
                self.ocrLanguage_ = .icelandic
                break
            case 40: //Kurdish
                self.ocrLanguage_ = .kurdish
                break
            case 41: //Lithuanian
                self.ocrLanguage_ = .lithuanian
                break
            case 42: //Latvian
                self.ocrLanguage_ = .latvian
                break
            case 43: //Marathi
                self.ocrLanguage_ = .marathi
                break
            case 44: //Nepali
                self.ocrLanguage_ = .nepali
                break
            case 45: //Latvia
                self.ocrLanguage_ = .latvian
                break
            case 46: //Bihari
                self.ocrLanguage_ = .bihari
                break
            case 47: //Maithili
                self.ocrLanguage_ = .maithili
                break
            case 48: //Angika
                self.ocrLanguage_ = .angika
                break
            case 49: //Bhojpuri
                self.ocrLanguage_ = .bhojpuri
                break
            case 50: //Magahi
                self.ocrLanguage_ = .magahi
                break
            case 51: //Nagpur
                self.ocrLanguage_ = .nagpur
                break
            case 52: //Newari
                self.ocrLanguage_ = .newari
                break
            case 53: //GoanKonkani
                self.ocrLanguage_ = .goanKonkani
                break
            case 54: //SaudiArabia
                self.ocrLanguage_ = .saudiArabia
                break
            default:
                self.ocrLanguage_ = .english
                break
        }
    }
    
    @IBAction func comboxClicked_SupoortOCR(_ sender: AnyObject?) {
        if(ocrButton.state == .on) {
            ocrLabel.textColor = KMAppearance.titleColor()
            ocrLanguageBox.isEnabled = true
        } else {
            ocrLabel.textColor = KMAppearance.Layout.h2Color()
            ocrLanguageBox.isEnabled = false
        }
    }

}


@objc enum KMSubArrayType: Int {
    case Odd = 0
    case Even
}
extension NSMutableArray{
    func subArray(type: KMSubArrayType) {
        if self.count == 0 { return }
        if type.rawValue > 1 || type.rawValue < 0 { return }
        let newArray = NSMutableArray()
        for i in 0..<self.count {
            if i % 2 == type.rawValue {
                newArray.add(self[i])
            }
        }
        self.removeAllObjects()
        self.addObjects(from: newArray as! [Any])
    }
}