PDF_Office/PDF Office/PDF Master/Class/PDFWindowController/ViewController/KMMainViewController+MenuAction.swift

//
//  KMMainViewController+MenuAction.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/2/19.
//

import Foundation

// MARK: File Menu
extension KMMainViewController {
    @IBAction func menuItemClick_mergePDF(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .merge, index: 0)
    }
    
    @IBAction func menuItemClick_Compress(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .compress, index: 0)
    }
    
    @IBAction func menuItemClick_Convert(_ sender: Any) {

    }
    
    @IBAction func menuItemAction_ConvertToWord(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .word, index: 0)
    }
    
    @IBAction func menuItemAction_ConvertToExcel(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .excel, index: 0)
    }
    
    @IBAction func menuItemAction_ConvertToPPT(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .ppt, index: 0)
    }
    
    @IBAction func menuItemAction_ConvertToRTF(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .rtf, index: 0)
    }
    
    @IBAction func menuItemAction_ConvertToHTML(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .html, index: 0)
    }
    
    @IBAction func menuItemAction_ConvertToText(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .conversion_text, index: 0)
    }
    
    @IBAction func menuItemAction_ConvertToCSV(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .csv, index: 0)
    }
    
    @IBAction func menuItemAction_ConvertToImage(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .conversion_image, index: 0)
    }
    
    @IBAction func menuItemClick_SettingPassword(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .secure, index: 1)
    }
    
    @IBAction func menuItemClick_RemovePassword(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .secure, index: 2)
    }
    
    @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_closeTagPage(_ sender: Any) {
        self.browserWindowController?.browser.closeTab()
    }
    
    @IBAction func menuItemAction_showInFinder(_ sender: Any) {
        NSWorkspace.shared.activateFileViewerSelecting([self.listView.document.documentURL])
    }
    
    @IBAction func menuItemAction_property(_ sender: Any) {
        KMInfoWindowController.shared.showWindow(sender)
    }
    
    @IBAction func menuItemAction_print(_ sender: Any) {
        self.showPrintWindow()
    }
}

extension KMMainViewController: KMSystemFileMenuProtocol {
    @IBAction func menuItemClick_saveAsFlattenedPDF(_ sender: Any) {
        Task { @MainActor in
            if IAPProductsManager.default().isAvailableAllFunction() == false {
                KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
                return
            }
            self.saveAsFlattenedPDFAction()
        }
    }
    
    func saveAsFlattenedPDFAction(limit: Bool = false) {
        DispatchQueue.main.async {
            NSPanel.savePanel(self.view.window!, true) { panel in
                panel.nameFieldStringValue = self.listView.document.documentURL.deletingPathExtension().lastPathComponent + "_flatten" + ".pdf"
            } completion: { response, url, isOpen in
                if (response == .cancel) {
                    return
                }
                
                var result = false
                if (limit) {
                    let data = KMTools.saveWatermarkDocumentForFlatten(document: self.listView.document, to: url!)
                    result = data != nil
                } else {
                    result = self.listView.document.writeFlatten(to: url!)
                }
                if (!result) {
                    return
                }
                
                if (isOpen) {
                    NSDocumentController.shared.km_safe_openDocument(withContentsOf: url!, display: true) { _, _, _ in
                        
                    }
                } else {
                    NSWorkspace.shared.activateFileViewerSelecting([url!])
                }
            }
        }
    }
}

// MARK: Edit Menu
@objc protocol KMEditMenuProtocol: NSObjectProtocol {
    @objc optional func undo(_ sender: Any)
    @objc optional func redo(_ sender: Any)
    
    @objc optional func cut(_ sender: Any)
    @objc optional func copy(_ sender: Any)
    @objc optional func paste(_ sender: Any)
    @objc optional func delete(_ sender: Any)
}

extension KMMainViewController: KMEditMenuProtocol {
    @IBAction func menuItemAction_find(_ sender: Any) {
        if (self.leftSideViewController.isShowPanel) {
            self.toolbarController.cancelSelected(KMLeftControlToolbarItemIdentifier)
            self.toolbarController.toolbarType = .None
            self.leftSideViewController.showPanelView(show: false)
        }
//        else {
            let isSearch = self.leftSideViewController.type.methodType == .Search
            self.leftSideViewController.refreshMethodType(methodType: .Search)
            if (isSearch) { // 关闭
                self.view.window?.makeFirstResponder(self.listView)
            }
//        }
    }
}

// MARK: View Menu

extension KMMainViewController {
    
    // scale
    
    @IBAction func menuItemAction_adjustWidth(_ sender: Any) {
        self.selectZoom(.width)
    }

    @IBAction func menuItemAction_adjustPage(_ sender: Any) {
        self.selectZoom(.fit)
    }

    @IBAction func menuItemAction_size(_ sender: Any) {
        self.selectZoom(.actualSize)
    }

    @IBAction func menuItemAction_zoomOut(_ sender: Any) {
        if (self.listView.canZoomOut) {
            self.listView.zoomOut(nil)
        }
    }

    @IBAction func menuItemAction_zoomIn(_ sender: Any) {
        if (self.listView.canZoomIn) {
            self.listView.zoomIn(nil)
        }
    }
    
    // page show
    
    @IBAction func menuItemAction_singlePage(_ sender: Any) {
        self.selectDisplay(display: .singlePage)
    }

    @IBAction func menuItemAction_singlePageContinue(_ sender: Any) {
        self.selectDisplay(display: .singlePageContinuous)
    }

    @IBAction func menuItemAction_doublePage(_ sender: Any) {
        self.selectDisplay(display: .twoUp)
    }

    @IBAction func menuItemAction_doublePageContinue(_ sender: Any) {
        self.selectDisplay(display: .twoUpContinuous)
    }

    @IBAction func menuItemAction_bookMode(_ sender: Any) {
        self.selectDisplay(display: .bookMode)
    }
    
    @IBAction func menuItemAction_readMode(_ sender: Any) {
        if (self.isReadMode) {
            self.closeReadModel()
        } else {
            self.openReadModel()
        }
    }

    @IBAction func menuItemAction_showSplitPage(_ sender: Any) {
        self.listView?.displaysPageBreaks = !(self.listView?.displaysPageBreaks ?? false)
        self.listView.layoutDocumentView()
    }

    @IBAction func menuItemAction_autoScrol(_ sender: Any) {

    }

    @IBAction func menuItemAction_autoScrolSetting(_ sender: Any) {

    }
    
    // rotate
    
    @IBAction func menuItemAction_rotateLeft(_ sender: Any) {
        self.rotateLeft(sender)
    }
    
    func rotatePageItems(pageItems: [KMThumbnailPageItem]) {
        let tempPageItems = pageItems
        for pageItem in tempPageItems {
            pageItem.page.rotation = pageItem.rotate
        }
        
        self.listView.layoutDocumentView()
        NotificationCenter.default.post(name: NSNotification.Name(rawValue: "KMPDFViewRotatePage"), object: self.listView.document)
        
        self.listView.undoManager?.registerUndo(withTarget: self) { [unowned self] targetType in
            var tempPageItems: [KMThumbnailPageItem] = []
            for pageItem in pageItems {
                let item = KMThumbnailPageItem(page: pageItem.page, rotate: pageItem.oldRotate, oldRotate: pageItem.rotate)
                tempPageItems.append(item)
            }
            self.rotatePageItems(pageItems: tempPageItems)
        }
    }

    @IBAction func menuItemAction_rotateRight(_ sender: Any) {
        self.rotateRight(sender)
    }

    @IBAction func menuItemAction_rotateAllPageLeft(_ sender: Any) {
        self.rotateAllLeft(sender)
    }

    @IBAction func menuItemAction_rotateAllPageRight(_ sender: Any) {
        self.rotateAllRight(sender)
    }
    
    // split screen
    
    @IBAction func menuItemAction_splitScreenVerti(_ sender: Any) {

    }

    @IBAction func menuItemAction_splitScreenHorti(_ sender: Any) {

    }

    @IBAction func menuItemAction_splitScreenNo(_ sender: Any) {

    }
    
    @IBAction func menuItemAction_view_readMode(_ sender: Any) {
        if (self.isReadMode) {
            self.closeReadModel()
        } else {
            self.openReadModel()
        }
    }

    @IBAction func menuItemAction_enterFullScreen(_ sender: Any) {

    }

    @IBAction func menuItemAction_hiddenLeftSide(_ sender: Any) {
        if (self.leftSideViewController.type.methodType != .None) {
            self.leftSideViewController.selectType(self.leftSideViewController.type.methodType)
        } else {
            self.toolbarController.selectItem(KMLeftControlToolbarItemIdentifier)
        }
    }
    
    @IBAction func menuItemAction_hiddenRightSide(_ sender: Any) {
        self.toolbarController.selectItem(KMRightControlToolbarItemIdentifier)
    }
    
    @IBAction func menuItemAction_thumai(_ sender: Any) {
        self.leftSideViewController.switchType(.Thumbnail)
    }

    @IBAction func menuItemAction_outline(_ sender: Any) {
        self.leftSideViewController.switchType(.Outline)
    }

    @IBAction func menuItemAction_bookmark(_ sender: Any) {
        self.leftSideViewController.switchType(.Annotation)
    }
    
    @IBAction func menuItemAction_annotation(_ sender: Any) {
        self.leftSideViewController.switchType(.Annotation)
    }

    @IBAction func menuItemAction_search(_ sender: Any) {
        self.leftSideViewController.switchType(.Search)
    }

    @IBAction func menuItemAction_topic(_ sender: Any) {

    }
    
    @IBAction func menuItemAction_hiddenPageIndicator(_ sender: Any) {
        
    }
    
    @IBAction func togglePresentation(_ sender: Any?) {
        if self.canExitPresentation() {
            self.exitFullScreen("")
        } else if self.canEnterPresentation(){
            self.enterPresentation()
//            self.browserWindowController?.enterPresentation()
        }
    }
    
    @IBAction func chooseTransition(_ sender: Any?) {
//        presentationSheetController = [[SKPresentationOptionsSheetController alloc] initForController:self];
//
//        [presentationSheetController beginSheetModalForWindow:[self window] completionHandler:^(NSInteger result) {
//                SKDESTROY(presentationSheetController);
//            }];
        let presentationSheetController = SKPresentationOptionsSheetController(windowNibName: "TransitionSheet")
//        let presentationSheetController = SKPresentationOptionsSheetController(for: MainWindowController)
        presentationSheetController.controller = self
        let window = NSWindow.currentWindow()
        window.km_beginSheet(windowC: presentationSheetController)
        presentationSheetController.closeCallBack = { vc in
            window.km_quick_endSheet()
        }
    }
    
    @IBAction func toggleAutoFlow(_ sender: Any?) {
        if (self.listView.isAutoFlow()) {
            self.listView.stopAutoFlow()
        } else {
            self.listView.startAutoFlow()
        }
    }
    @IBAction func chooseAutoFlowSetting(_ sender: Any?) {
        KMPrint("chooseAutoFlowSetting")
        autoFlowOptionsSheetController = KMAutoFlowOptionsSheetController(windowNibName: "KMAutoFlowOptionsSheetController")
        
        NSWindow.currentWindow().beginSheet((autoFlowOptionsSheetController?.window)!) { responce in
            
        }
    }
    
    @IBAction func toggleReadingBar(_ sender: Any?) {
        KMPrint("toggleReadingBar")
    }
    
    @IBAction func toggleLeftSidePane(_ sender: Any?) {
        if self.leftPanelOpen {
            self.closeLeftPane()
        } else {
            self.openLeftPane()
        }
    }
    
    @IBAction func changeLeftSidePaneState(_ sender: Any?) {
        guard let item = sender as? NSMenuItem else {
            NSSound.beep()
            return
        }
        if item.tag == 3 {
            self.leftSideViewController.switchType(.snapshot)
        }
    }
    
    @IBAction func splitViewAction(_ sender: Any?) {
        guard let item = sender as? NSMenuItem else {
            return
        }
//        let index = item.tag
        
        if item.tag < 2 && IAPProductsManager.default().isAvailableAllFunction() == false {
            KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
            return
        }
        
//        if (toolbarViewController.splitScreenPopover != nil) {
//            [toolbarViewController.splitScreenPopover close];
//        }
        
        self.splitView(withTag: item.tag)
//        [[NSNotificationCenter defaultCenter] postNotificationName:@"kKMToolsItemSelectStateChange" object:self.pdfView];
    }
    
    @IBAction func themesColor(_ sender: Any?) {
        guard let item = sender as? NSMenuItem else {
            __NSBeep()
            return
        }
        let mode = item.tag
        if mode == 0 {
            self.listView.displayMode = .normal
        } else if mode == 1 {
            self.listView.displayMode = .soft
        } else if mode == 2 {
            self.listView.displayMode = .night
        } else if mode == 3 {
            self.listView.displayMode = .green
        }
        
        self.listView.setNeedsDisplayForVisiblePages()
    }
    
    @IBAction func toggleStatusBar(_ sender: Any?) {
        KMPrint("toggleStatusBar ...")
    }
    
    @IBAction func toggleToolbarShow(_ sender: Any?) {
        KMPrint("toggleToolbarShow ...")
    }
}

// MARK: Annotation Menu

extension KMMainViewController {
    @IBAction func menuItemAction_highlight(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarHighlightAnnotationItemIdentifier)
    }

    @IBAction func menuItemAction_underline(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarUnderlineAnnotationItemIdentifier)
    }
    
    @IBAction func menuItemAction_deleteLine(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarStrikeOutAnnotationItemIdentifier)
    }
    
    @IBAction func menuItemAction_freehand(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarInkAnnotationItemIdentifier)
    }

    @IBAction func menuItemAction_text(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarFreeTextAnnotationItemIdentifier)
    }
    
    @IBAction func menuItemAction_note(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarAnchoredAnnotationItemIdentifier)
    }
    
    @IBAction func menuItemAction_squre(_ sender: Any) {
        UserDefaults.standard.set(6, forKey: KMToolBarToolPDFShapeStyle)

        self.toolbarController.clickItem(KMToolbarSquareAnnotationItemIdentifier)
    }

    @IBAction func menuItemAction_circle(_ sender: Any) {
        UserDefaults.standard.set(7, forKey: KMToolBarToolPDFShapeStyle)

        self.toolbarController.clickItem(KMToolbarCircleAnnotationItemIdentifier)
    }
    
    @IBAction func menuItemAction_arrow(_ sender: Any) {
        UserDefaults.standard.set(5, forKey: KMToolBarToolPDFShapeStyle)

        self.toolbarController.clickItem(KMToolbarArrowAnnotationItemIdentifier)
    }
    
    @IBAction func menuItemAction_line(_ sender: Any) {
        UserDefaults.standard.set(4, forKey: KMToolBarToolPDFShapeStyle)
        
        self.toolbarController.clickItem(KMToolbarLineAnnotationItemIdentifier)
    }

    // link
    
    @IBAction func menuItemAction_link(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarLinkAnnotationItemIdentifier)
    }
    
    @IBAction func menuItemAction_linkPage(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarLinkAnnotationItemIdentifier)
    }
    
    @IBAction func menuItemAction_linkHttps(_ sender: Any) {

    }
    
    @IBAction func menuItemAction_linkEmail(_ sender: Any) {

    }
    
    @IBAction func notesLink(_ sender: Any?) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarLinkAnnotationItemIdentifier)
    }
    
    // stamp
    
    @IBAction func menuItemAction_stamp(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMAnnotationStampToolbarItemIdentifier)
    }
    
    @IBAction func menuItemAction_stampStandard(_ sender: Any) {
        
    }
    
    @IBAction func menuItemAction_stampDynamic(_ sender: Any) {

    }
    
    @IBAction func menuItemAction_stampCustom(_ sender: Any) {

    }
    
    @IBAction func notesStamp(_ sender: Any?) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMAnnotationStampToolbarItemIdentifier)
    }
    
    @IBAction func menuItemAction_signure(_ sender: Any) {
        self.mainMenuUpdateAnnotationStyle(identifier: KMToolbarSignSignatureAnnotationItemIdentifier)
    }
    
    @IBAction func image(_ sender: Any?) {
        self.toolbarController.clickItem(KMAnnotationImageToolbarItemIdentifier)
    }
    
    @IBAction func table(_ sender: Any?) {
        self.toolbarController.clickItem(KMAnnotationTableToolbarItemIdentifier)
    }
    
    @IBAction func addForm(_ sender: Any?) {
        guard let item = sender as? NSMenuItem else {
            NSSound.beep()
            return
        }

        var identifiers: String?
        let idx = item.tag
        if idx == 0 { // raido
            identifiers = KMToolbarToolRadioButtonItemIdentifier
        } else if idx == 1 { // checkbox
            identifiers = KMToolbarToolCheckBoxItemIdentifier
        } else if idx == 2 { // textfiled
            identifiers = KMToolbarToolTextFieldItemIdentifier
        } else if idx == 3 { // combobox
            identifiers = KMToolbarToolPullDownmenuItemIdentifier
        } else if idx == 4 { // listbox
            identifiers = KMToolbarToolListBoxItemIdentifier
        } else if idx == 5 { // button
            identifiers = KMToolbarToolButtonIdentifier
        } else if idx == 6 { // sign
            identifiers = KMToolbarToolSignBoxIdentifier
        }
        if let itemID = identifiers {
            self.toolbarController.clickItem(itemID)
        }
    }
    
    @IBAction func menuItemAction_hiddenAllAnnotation(_ sender: Any) {
        self.showOrHideNotes()
    }
    
    @IBAction func menuItemAction_clearAllAnnotation(_ sender: Any) {
        self.removeAllAnnotations()
    }
    
    private func mainMenuUpdateAnnotationStyle(identifier : String) {
        if self.toolbarController.toolbarType != .Annatiton {
            let item : KMToolbarItemView = (self.toolbarController.mainToolBarView?.toolbarItemFindItemIdentifiers(value: KMDocumentAnnotationToolbarItemIdentifier))!
            self.toolbarController.mainToolBarView?.delegate?.toolbarViewController?(self.toolbarController.mainToolBarView!, clickMode: .Annatiton, toolbar: item, [])
        }
        let childitem : KMToolbarItemView = (self.toolbarController.childToolBarView?.toolbarItemFindItemIdentifiers(value: identifier))!
        self.toolbarController.mainToolBarView?.delegate?.changeAnnotationModeAction?(item: childitem.clickButton)
    }
}

// MARK: - KMSystemPDFMenuProtocol

extension KMMainViewController: KMSystemPDFMenuProtocol {
    func changeDisplayMode(_ sender: Any?) {
        guard let item = sender as? NSMenuItem else {
            NSSound.beep()
            return
        }
        let mode = item.tag
        if mode == 0 {
            self.selectDisplay(display: .singlePage)
        } else if mode == 1 {
            self.selectDisplay(display: .singlePageContinuous)
        } else if mode == 2 {
            self.selectDisplay(display: .twoUp)
        } else if mode == 3 {
            self.selectDisplay(display: .twoUpContinuous)
        }
    }
    
    func toggleDisplayAsBook(_ sender: Any?) {
        self.selectDisplay(display: .bookMode)
    }
    
    func toggleDisplayPageBreaks(_ sender: Any?) {
        self.listView?.displaysPageBreaks = !(self.listView?.displaysPageBreaks ?? false)
        self.listView.layoutDocumentView()
    }
    
    func changeDisplayBox(_ sender: Any?) {
        guard let item = sender as? NSMenuItem else {
            NSSound.beep()
            return
        }
        let mode = item.tag
        if mode == 0 {
            self.listView.displayBox = .mediaBox
        } else if mode == 1 {
            self.listView.displayBox = .cropBox
        }
    }
    
    func toggleAutoScale(_ sender: Any?) {
//        if ([self interactionMode] == SKPresentationMode)
//            [pdfView toggleAutoActualSize:sender];
//        else
//            [pdfView setAutoScales:[pdfView autoScales] == NO];
        self.listView.autoScales = !self.listView.autoScales
    }
    
    func doZoomToActualSize(_ sender: Any?) {
        self.selectZoom(.actualSize)
    }
    
    func doZoomToFit(_ sender: Any?) {
        self.selectZoom(.fit)
    }
    
    func doZoomIn(_ sender: Any?) {
        if (self.listView.canZoomIn) {
            self.listView.zoomIn(nil)
        }
    }
    
    func doZoomOut(_ sender: Any?) {
        if (self.listView.canZoomOut) {
            self.listView.zoomOut(nil)
        }
    }
    
    func doMarqueeZoomTool(_ sender: Any?) {
        let isSelected = self.toolbarController.findItem(KMToolbarZoomToSelectionItemIdentifier)?.isSelected ?? false
        if isSelected == false {
            self.toolbarController.clickItem(KMToolbarZoomToSelectionItemIdentifier)
        }
    }
    
    func highlightFormFiled(_ sender: Any?) {
        let enabled = CPDFKitConfig.sharedInstance().enableFormFieldHighlight()
        CPDFKitConfig.sharedInstance().setEnableFormFieldHighlight(!enabled)
        
        self.listView.setNeedsDisplayForVisiblePages()
    }
    
    func highlightLinks(_ sender: Any?) {
        let enabled = CPDFKitConfig.sharedInstance().enableLinkFieldHighlight()
        CPDFKitConfig.sharedInstance().setEnableLinkFieldHighlight(!enabled)
        
        self.listView.setNeedsDisplayForVisiblePages()
    }
    
    func resetForm(_ sender: Any?) {
        self.listView.resetFormAnnotation()
    }
    
    func removeAllAnnotation(_ sender: Any?) {
        self.listView.removeAllAnnotation()
    }
    
    func savePDFSettingToDefaults(_ sender: Any?) {
        if self.interactionMode == .normal {
            UserDefaults.standard.sync_setValue(self.currentPDFSettings(), forKey: SKDefaultPDFDisplaySettingsKey)
        } else if self.interactionMode != .presentation {
            UserDefaults.standard.sync_setValue(self.currentPDFSettings(), forKey: SKDefaultFullScreenPDFDisplaySettingsKey)
        }
    }
}

// MARK: goto Menu

extension KMMainViewController {
    @IBAction func menuItemAction_nextPage(_ sender: Any) {
        if (self.listView.canGoToNextPage()) {
            self.listView.goToNextPage(nil)
        }
    }
    
    @IBAction func menuItemAction_forwardPage(_ sender: Any) {
        if (self.listView.canGoToPreviousPage()) {
            self.listView.goToPreviousPage(nil)
        }
    }
    
    @IBAction func menuItemAction_firstPage(_ sender: Any) {
        if (self.listView.canGoToFirstPage()) {
            self.listView.goToFirstPage(nil)
        }
    }
    
    @IBAction func menuItemAction_lastPage(_ sender: Any) {
        if (self.listView.canGoToLastPage()) {
            self.listView.goToLastPage(nil)
        }
    }
    
    @IBAction func menuItemAction_forward(_ sender: Any) {
        if (self.listView.km_canGoForward()) {
            self.listView.km_goForward(nil)
        }
    }
    
    @IBAction func menuItemAction_goback(_ sender: Any) {
        if (self.listView.km_canGoBack()) {
            self.listView.km_goBack(nil)
        }
    }
    
    @IBAction func menuItemAction_gotoPage(_ sender: Any) {
        let sheet = KMTextFieldSheetController.init(windowNibName: "PageSheet")
        var pages : [String] = []
        for i in 0 ..< self.listView.document.pageCount {
            pages.append("\(i)")
        }
        sheet.callback =  { [weak self] stringValue in
            if (stringValue == nil) {
                return
            }
            guard let index = Int(stringValue) else {
                return
            }
            if (self?.listView == nil) {
                return
            }
            if (index > 0 && index <= self!.listView.document.pageCount) {
                self?.listView.go(toPageIndex: index-1, animated: true)
            }
        }
        sheet.showWindow(nil)
        sheet.pageBox.addItems(withObjectValues: pages)
        sheet.stringValue = "\(self.listView.currentPageIndex+1)"
    }
    
    @IBAction func goToMarkedPage(_ sender: Any?) {
        guard let pdfDoc = self.listView.document, pdfDoc.isLocked == false && pdfDoc.pageCount > 0 else {
            NSSound.beep()
            return
        }
        guard let currentPageIndex = self.listView.currentPage()?.pageIndex() else {
            NSSound.beep()
            return
        }
//        if (markedPageIndex == NSNotFound || [pdfDoc isLocked] || [pdfDoc pageCount] == 0) {
//            NSBeep();
//        } else if (beforeMarkedPageIndex != NSNotFound) {
        if self.beforeMarkedPageIndex != NSNotFound {
            self.listView.goToPage(at: min(UInt(self.beforeMarkedPageIndex), pdfDoc.pageCount-1), point: self.beforeMarkedPagePoint)
        } else if (currentPageIndex != self.markedPageIndex) {
//            NSUInteger lastPageIndex = [pdfView currentPageIndexAndPoint:&beforeMarkedPagePoint rotated:NULL];
            let lastPageIndex = self.listView.currentPageIndexAndPoint(&self.beforeMarkedPagePoint, rotated: nil)
            self.listView.goToPage(at: min(UInt(self.markedPageIndex), pdfDoc.pageCount-1), point: self.markedPagePoint)
            self.beforeMarkedPageIndex = Int(lastPageIndex)
        }
    }
    @IBAction func markPage(_ sender: Any?) {
        self.markedPageIndex = Int(self.listView.currentPageIndexAndPoint(&self.markedPagePoint, rotated: nil))
        self.beforeMarkedPageIndex = NSNotFound
    }
}

// MARK: tool Menu

extension KMMainViewController: KMSystemToolMenuProtocol {
    func getInfo(_ sender: Any?) {
        KMInfoWindowController.shared.showWindow(sender)
    }
    
    @IBAction func menuItemAction_textTool(_ sender: Any) {
        self.toolbarController.selectItem(KMToolbarZoomToSelectionItemIdentifier)
    }
    
    @IBAction func menuItemAction_scrolTool(_ sender: Any) {
        self.toolbarController.selectItem(KMToolbarMoveToolModeItemIdentifier)
    }
    
    @IBAction func menuItemAction_zoomOutTool(_ sender: Any) {
        self.toolbarController.selectItem(KMToolbarMagnifyToolModeItemIdentifier)
    }
    
    @IBAction func menuItemAction_selectTool(_ sender: Any) {
        self.toolbarController.selectItem(KMToolbarSelectToolModeItemIdentifier)
    }
    
    func changeToolMode(_ sender: Any?) {
        let isSelected = self.toolbarController.findItem(KMToolbarHighlightAnnotationItemIdentifier)?.isSelected ?? false
        if isSelected == false {
            self.toolbarController.selectItem(KMToolbarHighlightAnnotationItemIdentifier)
        }
    }
    
    @IBAction func menuItemAction_redact(_ sender: Any) {
        self.toolbarController.clickItem(KMDocumentRedactToolbarItemIdentifier)
    }
    
    @IBAction func menuItemAction_warkmark(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .watermark, index: 0)
    }
    
    @IBAction func menuItemAction_background(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .background, index: 0)
    }
    
    @IBAction func menuItemAction_headerfooter(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .headerAndFooter, index: 0)
    }
    
    @IBAction func menuItemAction_bates(_ sender: Any) {
        self.toolbarController.delegate?.clickChildTool?(type: .bates, index: 0)
    }
    
    @IBAction func menuItemAction_batch(_ sender: Any) {
//        KMBatchWindowController.openFile(self.listView.document?.documentURL, .Batch)
    }
    
    func compression(_ sender: Any?) {
        self.toolbarController.delegate?.clickChildTool?(type: .compress, index: 0)
    }
    
    func merge(_ sender: Any?) {
        self.toolbarController.delegate?.clickChildTool?(type: .merge, index: 0)
    }
    
    func convert(_ sender: Any?) {
        self.toolbarController.delegate?.clickChildTool?(type: .word, index: 0)
    }
    
    func imageToPDF(_ sender: Any?) {
        KMApp.ShowImageToPDFWindow()
    }
    
    func ocr(_ sender: Any?) {
        self.toolbarController.clickItem(KMDocumentScanOCRToolbarItemIdentifier)
    }
    
    func extractImage(_ sender: Any?) {
        self.extractImageAction(num: 1)
    }
    
    func pageEdit(_ sender: Any?) {
        self.toolbarController.clickItem(KMDocumentPageToolbarItemIdentifier)
    }
    
    func textEditAction(_ sender: Any?) {
        self.toolbarController.clickItem(KMDocumentEditToolbarItemIdentifier)
    }
    
    func security(_ sender: Any?) {
        self.toolbarController.delegate?.clickChildTool?(type: .secure, index: 1)
    }
    
    func decryption(_ sender: Any?) {
        self.toolbarController.delegate?.clickChildTool?(type: .secure, index: 2)
    }
    
    func cropAll(_ sender: Any?) {
//        NSRect rect[2] = {NSIntegralRect([pdfView currentSelectionRect]), NSZeroRect};
//        NSPointerArray *rectArray = [NSPointerArray rectPointerArray];
//        BOOL emptySelection = NSIsEmptyRect(rect[0]);
//
//        if (emptySelection) {
//            NSInteger i, j, count = [[pdfView document] pageCount];
//            rect[0] = rect[1] = NSZeroRect;
//
//            if (count == 0)
//                return;
//
//            [self beginProgressSheetWithMessage:[NSLocalizedString(@"Cropping Pages", @"Message for progress sheet") stringByAppendingEllipsis] maxValue:MIN(18, count)];
//
//            if (count == 1) {
//                rect[0] = [[[pdfView document] pageAtIndex:0] foregroundBox];
//                [self incrementProgressSheet];
//            } else if (count < 19) {
//                for (i = 0; i < count; i++) {
//                    rect[i % 2] = NSUnionRect(rect[i % 2], [[[pdfView document] pageAtIndex:i] foregroundBox]);
//                    [self incrementProgressSheet];
//                }
//            } else {
//                NSInteger start[3] = {1, (count - 5) / 2, count - 6};
//                for (j = 0; j < 3; j++) {
//                    for (i = start[j]; i < start[j] + 6; i++) {
//                        rect[i % 2] = NSUnionRect(rect[i % 2], [[[pdfView document] pageAtIndex:i] foregroundBox]);
//                        [self incrementProgressSheet];
//                    }
//                }
//            }
//            CGFloat w = fmax(NSWidth(rect[0]), NSWidth(rect[1]));
//            CGFloat h = fmax(NSHeight(rect[0]), NSHeight(rect[1]));
//            for (j = 0; j < 2; j++)
//                rect[j] = NSMakeRect(floor(NSMidX(rect[j]) - 0.5 * w), floor(NSMidY(rect[j]) - 0.5 * h), w, h);
//            [rectArray addPointer:rect];
//            [rectArray addPointer:rect + 1];
//        } else {
//            [rectArray addPointer:rect];
//        }
//
//        [self cropPagesToRects:rectArray];
//        [pdfView setCurrentSelectionRect:NSZeroRect];
        self.cropAllPage()
    }
    
    func crop(_ sender: Any?) {
        self.cropCurrentPage()
    }
    
    // 白边距
    func autoCropAll(_ sender: Any?) {
        self.smart_cropAllPage()
    }
    
    // 自动
    func smartAutoCropAll(_ sender: Any?) {
        self.cropAllPage()
    }
    
    func cropOptionsModel(_ sender: Any?) {
        KMPrint("cropOptionsModel ...")
    }
    
    func selectToolModel(_ sender: Any?) {
        self.toolbarController.clickItem(KMToolbarSelectToolModeItemIdentifier)
    }
    
    func takeSnapshot(_ sender: Any?) {
        self.listView.takeSnapshot(sender)
    }
    
    func takeSnapshotSelectContent(_ sender: Any?) {
        self.listView.takeSnapshotSelectContent(sender)
    }
    
    func changeAnnotationMode(_ sender: Any?) {
        if let data = sender as? NSMenuItem {
            self.changeAnnotationMode_itemAction(sender: data)
        }
    }
    
    func addWatermark(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolWatermarkItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolWatermarkItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 1, info: nil)
    }
    
    func removeWatermark(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolWatermarkItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolWatermarkItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 2, info: nil)
    }
    
    func batchAddWatermark(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolWatermarkItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolWatermarkItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 3, info: nil)
    }
    
    func batchRemoveWatermark(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolWatermarkItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolWatermarkItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 4, info: nil)
    }
    
    func templateWatermark(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolWatermarkItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolWatermarkItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 5, info: nil)
    }
    
    func addBackground(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBackgroundItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBackgroundItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 1, info: nil)
    }
    
    func removeBackground(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBackgroundItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBackgroundItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 2, info: nil)
    }
    
    func batchAddBackground(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBackgroundItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBackgroundItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 3, info: nil)
    }
    
    func batchRemoveBackground(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBackgroundItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBackgroundItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 4, info: nil)    }
    
    func templateBackground(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBackgroundItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBackgroundItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 5, info: nil)
    }
    
    func addHeaderFooter(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolHeaderFooterItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolHeaderFooterItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 1, info: nil)
    }
    
    func removeHeaderFooter(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolHeaderFooterItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolHeaderFooterItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 2, info: nil)
    }
    
    func batchAddHeaderFooter(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolHeaderFooterItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolHeaderFooterItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 3, info: nil)
    }
    
    func batchRemoveHeaderFooter(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolHeaderFooterItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolHeaderFooterItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 4, info: nil)
    }
    
    func templateHeaderFooter(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolHeaderFooterItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolHeaderFooterItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 5, info: nil)
    }
    
    func addHeaderFooterBates(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBatesItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBatesItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 1, info: nil)
    }
    
    func removeHeaderFooterBates(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBatesItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBatesItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 2, info: nil)
    }
    
    func batchAddBates(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBatesItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBatesItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 3, info: nil)
    }
    
    func batchRemoveBates(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBatesItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBatesItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 4, info: nil)
    }
    
    func templateBates(_ sender: Any?) {
        var item = self.toolbarController.findItem(KMToolbarToolBatesItemIdentifier)
        if item == nil {
            item = KMToolbarItemView(itemIdentifier: KMToolbarToolBatesItemIdentifier)
        }
        self.toolbarController.toolbarViewController(self.toolbarController.childToolBarView!, menuItemDidClick: item!, index: 5, info: nil)
    }
    
    func togglePoster(_ sender: Any?) {
        KMPrintWindowController.showNewPrintWindowControll(inputDocument: self.listView.document, inputPageRange: KMPrintPageRange(), printType: .poster)
    }
    
    func toggleMultiple(_ sender: Any?) {
        KMPrintWindowController.showNewPrintWindowControll(inputDocument: self.listView.document, inputPageRange: KMPrintPageRange(), printType: .multipage)
    }
    
    func toggleBooklet(_ sender: Any?) {
        KMPrintWindowController.showNewPrintWindowControll(inputDocument: self.listView.document, inputPageRange: KMPrintPageRange(), printType: .pamphlet)
    }
    
    func rotateLeft(_ sender: Any?) {
        if IAPProductsManager.default().isAvailableAllFunction() == false {
            KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
            return
        }
        
        Task { @MainActor in
            let page : CPDFPage = self.listView?.currentPage() ?? CPDFPage()
            let rotation = page.rotation
            page.leftRotate()
            
            self.rotatePageItems(pageItems: [KMThumbnailPageItem(page: page, rotate: page.rotation, oldRotate: rotation)])
            self.handlePageBoundsDidChange(page: page, action: CPDFPage.Action.rotate)
        }
    }
    
    func rotateRight(_ sender: Any?) {
        if IAPProductsManager.default().isAvailableAllFunction() == false {
            KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
            return
        }
        
        Task { @MainActor in
            let page : CPDFPage = self.listView?.currentPage() ?? CPDFPage()
            let rotation = page.rotation
            page.rightRotate()
            
            self.rotatePageItems(pageItems: [KMThumbnailPageItem(page: page, rotate: page.rotation, oldRotate: rotation)])
            self.handlePageBoundsDidChange(page: page, action: CPDFPage.Action.rotate)
        }
    }
    
    func rotateAllLeft(_ sender: Any?) {
        if IAPProductsManager.default().isAvailableAllFunction() == false {
            KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
            return
        }
        
        Task { @MainActor in
            var pageItems: [KMThumbnailPageItem] = []
            for index in 0 ... self.listView.document.pageCount - 1 {
                let page: CPDFPage = self.listView.document.page(at: index)
                let rotation = page.rotation
                page.leftRotate()
                pageItems.append(KMThumbnailPageItem(page: page, rotate: page.rotation, oldRotate: rotation))
            }

            self.rotatePageItems(pageItems: pageItems)
            self.handlePageBoundsDidChange(page: nil, action: CPDFPage.Action.rotate)
        }
    }
    
    func rotateAllRight(_ sender: Any?) {
        if IAPProductsManager.default().isAvailableAllFunction() == false {
            KMPurchaseCompareWindowController.sharedInstance().showWindow(nil)
            return
        }
        
        Task { @MainActor in
            var pageItems: [KMThumbnailPageItem] = []
            for index in 0 ... self.listView.document.pageCount - 1 {
                let page: CPDFPage = self.listView.document.page(at: index)
                let rotation = page.rotation
                page.leftRotate()
                pageItems.append(KMThumbnailPageItem(page: page, rotate: page.rotation, oldRotate: rotation))
            }

            self.rotatePageItems(pageItems: pageItems)
            self.handlePageBoundsDidChange(page: nil, action: CPDFPage.Action.rotate)
        }
    }
    
    func autoSelectContent(_ sender: Any?) {
        self.listView.autoSelectContent(sender)
    }
}

// MARK: window Menu

extension KMMainViewController {
    @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) {
        self.browserWindowController?.openNewWindow(sender)
    }
    
    @IBAction func menuItemAction_mergeAllWindow(_ sender: Any) {
        ((self.myDocument as? KMMainDocument)?.browser.windowController as? KMBrowserWindowController)?.mergeAllWindow(sender)
    }
    
    @IBAction func menuItemAction_currentWindowName(_ sender: Any) {
        
    }
}

extension KMMainViewController: NSMenuItemValidation, NSMenuDelegate {
    func validateMenuItem(_ menuItem: NSMenuItem) -> Bool {
        if (menuItem.action == #selector(menuItemAction_currentWindowName)) {
            menuItem.title = (self.myDocument?.fileURL!.lastPathComponent)!
            return true
        }
        
        if (menuItem.action == #selector(menuItemAction_thumai) ||
            menuItem.action == #selector(menuItemAction_outline) ||
            menuItem.action == #selector(menuItemAction_bookmark) ||
            menuItem.action == #selector(menuItemAction_annotation) ||
            menuItem.action == #selector(menuItemAction_search)) {
            menuItem.state = .off
            let type = self.leftSideViewController.type.methodType
            if (menuItem.action == #selector(menuItemAction_thumai) && type == .Thumbnail) {
                menuItem.state = .on
            }
            if (menuItem.action == #selector(menuItemAction_outline) && type == .Outline) {
                menuItem.state = .on
            }
            if (menuItem.action == #selector(menuItemAction_bookmark) && type == .Annotation) {
                menuItem.state = .on
            }
            if (menuItem.action == #selector(menuItemAction_annotation) && type == .Annotation) {
                menuItem.state = .on
            }
            if (menuItem.action == #selector(menuItemAction_search) && type == .Search) {
                menuItem.state = .on
            }
        }
        if (menuItem.action == #selector(menuItemAction_hiddenLeftSide)) {
            if (self.leftPanelOpen) {
                menuItem.title = NSLocalizedString("Hide Left Side Panel", comment: "")
            } else {
                menuItem.title = NSLocalizedString("Show Left Side Panel", comment: "")
            }
        }
        if (menuItem.action == #selector(menuItemAction_hiddenRightSide)) {
            if (self.rightPanelIsOpen) {
                menuItem.title = NSLocalizedString("Hide Right Side Panel", comment: "")
            } else {
                menuItem.title = NSLocalizedString("Show Right Side Panel", comment: "")
            }
        }
        
        if (menuItem.action == #selector(menuItemAction_hiddenAllAnnotation)) {
            if (self.listView.hideNotes) {
                menuItem.title = NSLocalizedString("Show Notes", comment: "")
            } else {
                menuItem.title = NSLocalizedString("Hide Notes", comment: "")
            }
        }
        
        if (menuItem.action == #selector(menuItemAction_showForwardTagPage) ||
            menuItem.action == #selector(menuItemAction_showNextTagPage)) {
            let browser = self.browserWindowController?.browser
            if (browser != nil && (browser is KMBrowser)) {
                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()
            }
        }
        
        if (menuItem.action == #selector(menuItemAction_nextPage) ||
            menuItem.action == #selector(menuItemAction_forwardPage) ||
            menuItem.action == #selector(menuItemAction_firstPage) ||
            menuItem.action == #selector(menuItemAction_lastPage) ||
            menuItem.action == #selector(menuItemAction_forward) ||
            menuItem.action == #selector(menuItemAction_goback)) {

            if (menuItem.action == #selector(menuItemAction_nextPage)) {
                if self.listView.isEditing() && self.listView.isEditable() {
                    return false
                }
                return (self.pdfViewCanHorizontalScroll() == false && self.listView.canGoToNextPage())
            }
            if (menuItem.action == #selector(menuItemAction_forwardPage)) {
                if self.listView.isEditing() && self.listView.isEditable() {
                    return false
                }
                return (self.pdfViewCanHorizontalScroll() == false && self.listView.canGoToPreviousPage())
            }
            if (menuItem.action == #selector(menuItemAction_firstPage)) {
                return self.listView.canGoToFirstPage()
            }
            if (menuItem.action == #selector(menuItemAction_lastPage)) {
                return self.listView.canGoToLastPage()
            }
            if (menuItem.action == #selector(menuItemAction_forward)) {
                return self.listView.km_canGoForward()
            }
            if (menuItem.action == #selector(menuItemAction_goback)) {
                return self.listView.km_canGoBack()
            }
        }
        
        if menuItem.action == #selector(changeAnnotationMode) || menuItem.action == #selector(changeAnnotationMode_itemAction) {
//            if ([[menuItem menu] numberOfItems] > ANNOTATION_MODE_COUNT)
//                [menuItem setState:[self toolMode] == SKNoteToolMode && [self annotationMode] == (SKNoteType)[menuItem tag] ? NSOnState : NSOffState];
//            else
//                [menuItem setState:[self annotationMode] == (SKNoteType)[menuItem tag] ? NSOnState : NSOffState];
            if self.listView.annotationType.rawValue == menuItem.tag {
                menuItem.state = .on
            } else {
                menuItem.state = .off
            }
            return true
        }
        guard let action = menuItem.action else {
            return false
        }
        
        if KMSystemMenu.isToolSelector(sel: action) {
            if action == KMSystemMenu.Tool.autoSelectContentSelector {
                let toolMode = self.listView?.toolMode ?? .none
                return toolMode == .selectToolMode
            }
        }
        if KMSystemMenu.isViewSelector(sel: action) {
            if action == KMSystemMenu.View.toggleLeftSidePaneSelector {
                if self.leftPanelOpen {
                    menuItem.title = NSLocalizedString("Hide Panel", comment: "Menu item title")
                } else {
                    menuItem.title = NSLocalizedString("Show Panel", comment: "Menu item title")
                }
                return true
            } else if action == KMSystemMenu.View.changeLeftSidePaneStateSelector {
                if menuItem.tag == 3 { // 快照
                    menuItem.state = self.leftSideViewController.type.methodType == .snapshot ? .on : .off
                }
                return true
            } else if action == KMSystemMenu.View.themesColorSelector {
                let mode = menuItem.tag
                if mode == 0 {
                    menuItem.state = self.listView.displayMode == .normal ? .on : .off
                } else if mode == 1 {
                    menuItem.state = self.listView.displayMode == .soft ? .on : .off
                } else if mode == 2 {
                    menuItem.state = self.listView.displayMode == .night ? .on : .off
                } else if mode == 3 {
                    menuItem.state = self.listView.displayMode == .green ? .on : .off
                }
                return true
            } else if action == KMSystemMenu.View.splitViewActionSelector {
                let mode = menuItem.tag
                if mode == 0 { // hor
                    menuItem.state = self.listView.viewSplitMode == .horizontal ? .on : .off
                } else if mode == 1 { // verti
                    menuItem.state = self.listView.viewSplitMode == .vertical ? .on : .off
                } else if mode == 2 { // single
                    menuItem.state = self.listView.viewSplitMode == .disable ? .on : .off
                }
            }
        }
        
        return true
    }
}