//
//  KMLeftSideViewController.swift
//  PDF Master
//
//  Created by lxy on 2022/10/10.
//

import Cocoa

@objc protocol KMLeftSideViewControllerDelegate {
    @objc optional func controlStateChange(_ obj: KMLeftSideViewController,show:Bool)
    @objc optional func enterEditMode(_ obj: KMLeftSideViewController, _ pages: [Int])
    @objc optional func searchAction(searchString:String, isCase:Bool)
    
    @objc optional func controller(_ controller: KMLeftSideViewController, dispayDidChange dispay: KMPDFDisplayType)
    @objc optional func controller(controller: KMLeftSideViewController, itemClick item: Any?, itemKey: KMItemKey, params: Any?)
    
    @objc optional func controller(controller: KMLeftSideViewController, bookMarkDidChange bookMarks: [KMBookMarkItem])
    
    @objc optional func controller(controller: KMLeftSideViewController, rotateType: KMRotateType)
}

class KMLeftSideViewController: KMSideViewController {
//    @IBOutlet weak var leftTableview: NSTableView!
//    @IBOutlet weak var leftBox: NSBox!
    
    lazy var annotationViewController : KMAnnotationViewController = {
        let annotationViewController = KMAnnotationViewController()
        return annotationViewController
    }()
    lazy var bookViewController : KMBookMarkViewController = {
        let bookViewController = KMBookMarkViewController()
        bookViewController.bookMarkDidChange = { [unowned self] (controller, bookMarks) in
            self.delegate?.controller?(controller: self, bookMarkDidChange: bookMarks)
        }
        return bookViewController
    }()
//    lazy var signatureViewController : KMSignatureViewController = {
//        let signatureViewController = KMSignatureViewController()
//        return signatureViewController
//    }()

    lazy var panelSetViewController : KMPDFViewPanelSetViewController = {
        let panelSetViewController = KMPDFViewPanelSetViewController()
//        panelSetViewController.delegate = self
        return panelSetViewController
    }()
    
    var dataSource : [KMLeftMethodMode] = [KMLeftMethodMode]()

    var type : KMLeftMethodMode = KMLeftMethodMode()
    var isShowPanel : Bool = false
    var norImage : [String] = []
    var selectImage : [String] = []
    var mainVC: KMMainViewController?
    var selectPages: [Int]?
    open weak var delegate: KMLeftSideViewControllerDelegate?
    
    deinit {
        KMPrint("KMLeftSideViewController deinit.")
        
        NotificationCenter.default.removeObserver(self)
    }
    
    override var nibName: NSNib.Name? {
        return "LeftSideView"
    }
    
    convenience init(type : KMLeftMethodMode) {
        self.init()
        self.type = type
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
//        self.leftBox.backgroundColor(NSColor.km_init(hex: "#F7F8FA"))
//        self.leftTableview.backgroundColor(NSColor.km_init(hex: "#F7F8FA"))
//        self.leftTableview.border(NSColor.km_init(hex: "#EDEEF0"),1 , 0)
//        self.addMenuTitle()
//        self.refreshShowMethod()
        
        DistributedNotificationCenter.default().addObserver(self, selector: #selector(_themeChanged), name: NSApplication.interfaceThemeChangedNotification, object: nil)
    }
    
    func showPanelView(show: Bool) {
        self.isShowPanel = show
        if show {
//            self.panelSetViewController.listView = self.listView
//            self.panelSetViewController.view.frame = self.view.frame
//            self.view.addSubview(self.panelSetViewController.view)
//            self.panelSetViewController.reloadListViewModel()
//            self.panelSetViewController.view.autoresizingMask = [.height]
        } else {
//            self.contentBox.isHidden = false
//            self.panelSetViewController.view.removeFromSuperview()
//            if self.type.methodType == .None {
//                self.delegate?.controlStateChange?(self, show: false)
//            }
        }
    }
    
    func refreshMethodType(methodType: BotaType) {
        if (self.isShowPanel) {
            self.showPanelView(show: false)
            return
        }

        let newType = KMLeftMethodMode()
        var show = true
        if self.type.methodType != methodType {
            newType.methodType = methodType
        }
        if self.type.methodType == methodType {
            show = false
        }
        self.type = newType;
//        self.refreshShowMethod()
        self.delegate?.controlStateChange?(self,show:show)
    }
//
//    private func updateViewButtonState() {
//        switch self.type.methodType {
//        case .None: do {
////            self.contentBox.contentView = NSView()
//            self.delegate?.controlStateChange?(self,show:false)
//        }
//            break
//        case .Thumbnail: do {
//            self.thumbnailViewController.listView = self.listView
//            self.thumbnailViewController.delegate = self
////            self.contentBox.contentView = self.thumbnailViewController.view
////            self.thumbnailViewController.reloadData()
//        }
//            break
//        case .Outline: do {
//        }
//            break
//        case .BookMark: do {
//            self.bookViewController.listView = self.listView
////            self.contentBox.contentView = self.bookViewController.view
//            self.bookViewController.reloadData()
//        }
//            break
//        case .Annotation: do {
//            self.annotationViewController.listView = self.listView
////            self.contentBox.contentView = self.annotationViewController.view
////            self.annotationViewController.reloadData()
//        }
//            break
//            break
//        case .Signature: do {
//            self.signatureViewController.listView = self.listView
////            self.contentBox.contentView = self.signatureViewController.view
//            self.signatureViewController.reloadData()
//        }
//            break
//        }
//    }
    
//    func refreshShowMethod() {
//        self.dataSource = [KMLeftMethodMode]()
//        norImage  = []
//        selectImage = []
//        if KMBOTAManagerClass.shard.getMethodShow(key: thumbnailMethodKey) {
//            let mode = KMLeftMethodMode()
//            mode.methodName = thumbnailMethodKey
//            mode.methodType = .Thumbnail
//            self.dataSource.insert(mode, at: self.dataSource.count)
//            norImage.append("KMImageNameSidebarThumbailNor")
//            selectImage.append("KMImageNameSidebarThumbailSelect")
//        }
//        if KMBOTAManagerClass.shard.getMethodShow(key: outlineMethodKey) {
//            let mode = KMLeftMethodMode()
//            mode.methodName = outlineMethodKey
//            mode.methodType = .Outline
//            self.dataSource.insert(mode, at: self.dataSource.count)
//            norImage.append("KMImageNameSidebarOutlineNor")
//            selectImage.append("KMImageNameSidebarOutlineSelect")
//        }
//        if KMBOTAManagerClass.shard.getMethodShow(key: bookMarkMethodKey) {
//            let mode = KMLeftMethodMode()
//            mode.methodName = bookMarkMethodKey
//            mode.methodType = .BookMark
//            self.dataSource.insert(mode, at: self.dataSource.count)
//            norImage.append("KMImageNameSidebarBookMarkNor")
//            selectImage.append("KMImageNameSidebarBookMarkSelect")
//        }
//        if KMBOTAManagerClass.shard.getMethodShow(key: anntationMethodKey) {
//            let mode = KMLeftMethodMode()
//            mode.methodName = anntationMethodKey
//            mode.methodType = .Annotation
//            self.dataSource.insert(mode, at: self.dataSource.count)
//            norImage.append("KMImageNameSidebarAnnotationNor")
//            selectImage.append("KMImageNameSidebarAnnotationSelect")
//        }
//        if KMBOTAManagerClass.shard.getMethodShow(key: searchMethodKey) {
//            let mode = KMLeftMethodMode()
//            mode.methodName = searchMethodKey
//            mode.methodType = .Search
//            self.dataSource.insert(mode, at: self.dataSource.count)
//            norImage.append("KMImageNameSidebarSearchNor")
//            selectImage.append("KMImageNameSidebarSearchSelect")
//        }
////        if KMBOTAManagerClass.shard.getMethodShow(key: formMethodKey) {
////            let mode = KMLeftMethodMode()
////            mode.methodName = formMethodKey
////            mode.methodType = .From
////            self.dataSource.insert(mode, at: self.dataSource.count)
////        }
////        if KMBOTAManagerClass.shard.getMethodShow(key: signatureMethodKey) {
////            let mode = KMLeftMethodMode()
////            mode.methodName = signatureMethodKey
////            mode.methodType = .Signature
////            self.dataSource.insert(mode, at: self.dataSource.count)
////        }
//        var isConstant = false
//        for source in dataSource {
//            if self.type.methodType == source.methodType {
//                isConstant = true
//            }
//        }
//        if(!isConstant) {
//            self.type = KMLeftMethodMode()
//        }
////        self.leftTableview.reloadData()
//        var typeIndex = -1
//        for (index,value) in self.dataSource.enumerated() {
//            if value.methodType == self.type.methodType {
//                typeIndex = index
//            }
//        }
//
////        self.leftTableview.selectRowIndexes([typeIndex], byExtendingSelection: true)
//        if self.dataSource.count > 0 && typeIndex >= 0 {
//            self.type = self.dataSource[typeIndex]
//        }
//        self.updateViewButtonState()
//
//    }
//
    //MARK: menu
    
//    private func addMenuTitle() {
//        let menus : NSMenu = NSMenu(title: "")
//
//        let addItem = self.menuItemWithTitle(title: NSLocalizedString("Thumbnails", comment: ""),type:thumbnailMethodKey,action: #selector(renameBookAction),tag: 1)
//        let outlineItem = self.menuItemWithTitle(title: NSLocalizedString("Outline", comment: ""),type:outlineMethodKey,action: #selector(renameBookAction),tag: 2)
//        let bookItem = self.menuItemWithTitle(title: NSLocalizedString("Bookmarks", comment: ""), type:bookMarkMethodKey,action: #selector(renameBookAction),tag: 3)
//        let annationItem = self.menuItemWithTitle(title: NSLocalizedString("Annotations", comment: ""), type:anntationMethodKey,action: #selector(renameBookAction),tag: 4)
//        let searchItem = self.menuItemWithTitle(title: NSLocalizedString("Search", comment: ""), type:searchMethodKey,action: #selector(renameBookAction),tag: 5)
////        let formItem = self.menuItemWithTitle(title: NSLocalizedString("域", comment: ""), type:formMethodKey,action: #selector(renameBookAction),tag: 6)
////        let signatureItem = self.menuItemWithTitle(title: NSLocalizedString("签名", comment: ""), type:signatureMethodKey,action: #selector(renameBookAction),tag: 7)
//
//        menus.addItem(addItem)
//        menus.addItem(outlineItem)
//        menus.addItem(bookItem)
//        menus.addItem(annationItem)
//        menus.addItem(searchItem)
////        menus.addItem(formItem)
////        menus.addItem(signatureItem)
////        self.leftTableview.menu = menus
//    }

//    func menuItemWithTitle(title:String,type:String,action:Selector?,tag:Int) -> NSMenuItem {
//        let menuItem = NSMenuItem.init(title: title as String, action: action, keyEquivalent: "")
//        menuItem.target = self
//        menuItem.tag = tag
//        if KMBOTAManagerClass.shard.getMethodShow(key: type) {
//            menuItem.state = NSControl.StateValue.on
//        } else {
//            menuItem.state = NSControl.StateValue.off
//        }
//        return menuItem
//    }
    
//    @objc func renameBookAction(menuItem:NSMenuItem) {
//        var show = true
//        if menuItem.state == NSControl.StateValue.on {
//            menuItem.state = NSControl.StateValue.off
//            show = false
//        } else {
//            menuItem.state = NSControl.StateValue.on
//            show = true
//        }
//        switch menuItem.tag {
//        case 1: do {
//            KMBOTAManagerClass.shard.setLeftMethod(show: show, key: thumbnailMethodKey)
//        }
//        case 2: do {
//            KMBOTAManagerClass.shard.setLeftMethod(show: show, key: outlineMethodKey)
//        }
//        case 3: do {
//            KMBOTAManagerClass.shard.setLeftMethod(show: show, key: bookMarkMethodKey)
//        }
//        case 4: do {
//            KMBOTAManagerClass.shard.setLeftMethod(show: show, key: anntationMethodKey)
//        }
//        case 5: do {
//            KMBOTAManagerClass.shard.setLeftMethod(show: show, key: searchMethodKey)
//        }
//        case 6: do {
//            KMBOTAManagerClass.shard.setLeftMethod(show: show, key: formMethodKey)
//        }
//        case 7: do {
//            KMBOTAManagerClass.shard.setLeftMethod(show: show, key: signatureMethodKey)
//        }
//            break
//        default:
//            break
//        }
//        self.refreshShowMethod()
//    }
    
    // MARK: - New
    
    /*
     typedef NS_ENUM(NSInteger, KMNoteSortType) {
         KMNoteSortType_None = 0,
         KMNoteSortType_Time,
         KMNoteSortType_Page,
     };
         NSArrayController *thumbnailArrayController;
         NSArrayController *findArrayController;
         NSArrayController *groupedFindArrayController;
     }

     @property (nonatomic, assign) BOOL isAscendSort;
     @property (nonatomic, assign) KMNoteSortType noteSortType;
     @property (nonatomic, retain) NSView *filterButtonLayer;
     @property (nonatomic, retain) KMButtonLayer *moreButtonLayer;

     - (void)applySearchTableHeader:(NSString *)message;
     - (void)displayFindState;
     */
    
//    @property (nonatomic, retain) IBOutlet NSArrayController *thumbnailArrayController, *findArrayController,  *groupedFindArrayController;
    
    @IBOutlet var segmentedControl: KMSegmentedControl!
    
    @IBOutlet var thumbnailTableView: KMThumbnailTableView!
    @IBOutlet var tocOutlineView: KMTocOutlineView!
    @IBOutlet var noteOutlineView: KMNoteOutlineView!
    @IBOutlet var findTableView: KMBotaTableView!
    @IBOutlet var groupedFindTableView: KMBotaTableView!
    @IBOutlet var snapshotTableView: KMBotaTableView!
    
    @IBOutlet weak var leftListView: NSView!
    
    @IBOutlet var searchViewController: KMBotaSearchViewController!
    @IBOutlet weak var toolButtonBox: NSBox!
    @IBOutlet weak var toolButtonBoxLayoutConstraint: NSLayoutConstraint!
    @IBOutlet weak var snapshotNormalView: NSView!
    @IBOutlet weak var snapshotLabel: NSTextField!
    @IBOutlet weak var snapshotNormalMoreButton: NSButton!
    @IBOutlet weak var snapshotNormalSearchButton: NSButton!
    @IBOutlet weak var snapshotNormalZoomOutButton: NSButton!
    @IBOutlet weak var snapshotNormalZoomInButton: NSButton!
    @IBOutlet weak var snapshotSearchZoomOutButton: NSButton!
    @IBOutlet weak var snapshotSearchZoomInButton: NSButton!
    @IBOutlet weak var snapshotSearchField: KMLeftSideViewSearchField!
    @IBOutlet weak var snapshotDoneButton: NSButton!
    
    @IBOutlet weak var outlineView: NSView!
    @IBOutlet weak var outlineMoreButton: NSButton!
    @IBOutlet weak var outlineAddButton: NSButton!
    @IBOutlet weak var outlineSearchButton: NSButton!
    @IBOutlet weak var outlineLabel: NSTextField!
    @IBOutlet weak var outlineSearchField: KMLeftSideViewSearchField!
    @IBOutlet weak var outlineDoneButton: NSButton!
    
    @IBOutlet weak var noteView: NSView!
    @IBOutlet weak var noteMoreButton: NSButton!
    @IBOutlet weak var noteFilterButton: NSButton!
    @IBOutlet weak var noteSearchButton: NSButton!
    @IBOutlet weak var noteSearchField: KMLeftSideViewSearchField!
    @IBOutlet weak var noteTitleLabel: NSTextField!
    @IBOutlet weak var noteHeaderView: NSView!
    @IBOutlet weak var sortTypeBox: KMBox!
    @IBOutlet weak var sortTypeLabel: NSTextField!
    @IBOutlet weak var noteSortButton: NSButton!
    @IBOutlet weak var noteDoneButton: NSButton!
    
    @IBOutlet weak var thumbnailView: NSView!
    @IBOutlet weak var thumbnailZoomOutButton: NSButton!
    @IBOutlet weak var thumbnailZoomInButton: NSButton!
    @IBOutlet weak var thumbnailTitleLabel: NSTextField!
    
    @IBOutlet weak var emptySearchBox: NSBox!
    @IBOutlet weak var emptySearchLabel: NSTextField!
    
    var thumbnails: [KMThumbnail] = []
    var isDisplayPageSize = false
    var thumbnailCacheSize: CGFloat = 0
    var findState: KMFindState = .content
    var searchResults: [CPDFSelection] = []
    var findPaneState: KMFindPaneState = .singular
    var isSearchOutlineMode = false
    var outlineIgnoreCaseFlag = false
    
    
    private let MIN_SIDE_PANE_WIDTH: CGFloat = 270
    private let LABEL_COLUMNID = "label"
    
    override func loadView() {
        super.loadView()
        
        self.view.wantsLayer = true
        self.view.layer?.backgroundColor = KMAppearance.Layout.l0Color().cgColor
        self.outlineView.wantsLayer = true
        self.outlineView.layer?.backgroundColor = KMAppearance.Layout.l0Color().cgColor
        self.noteView.wantsLayer = true
        self.noteView.layer?.backgroundColor = KMAppearance.Layout.l0Color().cgColor
        self.thumbnailView.wantsLayer = true
        self.thumbnailView.layer?.backgroundColor = KMAppearance.Layout.l0Color().cgColor
        self.snapshotNormalView.wantsLayer = true
        self.snapshotNormalView.layer?.backgroundColor = KMAppearance.Layout.l0Color().cgColor
        
        self.tocOutlineView.backgroundColor = KMAppearance.Layout.l0Color()
        self.noteOutlineView.backgroundColor = KMAppearance.Layout.l0Color()
        self.findTableView.backgroundColor = KMAppearance.Layout.l0Color()
        self.groupedFindTableView.backgroundColor = KMAppearance.Layout.l0Color()
        self.snapshotTableView.backgroundColor = KMAppearance.Layout.l0Color()
        self.thumbnailTableView.backgroundColor = KMAppearance.Layout.l0Color()
        
        self.leftListView.wantsLayer = true
        self.leftListView.layer?.backgroundColor = KMAppearance.Layout.l0Color().cgColor
        
        self.emptySearchLabel.stringValue = KMLocalizedString("No Results",nil)
        self.emptySearchLabel.textColor = KMAppearance.Layout.h0Color()
        self.emptySearchBox.isHidden = true
        
        self.thumbnailTitleLabel.stringValue = KMLocalizedString("Thumbnails", nil)
        self.thumbnailTitleLabel.textColor = KMAppearance.Layout.h0Color()
//        self.thumbnailZoomInButton.action = #selector(thumbnailSizeScaling)
//        [_thumbnailZoomInButton setTarget:mainController];
//        _thumbnailZoomInButton.tag = 1;
//        [_thumbnailZoomOutButton setAction:@selector(thumbnailSizeScaling:)];
//        [_thumbnailZoomOutButton setTarget:mainController];
//        _thumbnailZoomOutButton.tag = 0;
        
        self.snapshotTableView.delegate = self
        self.snapshotTableView.dataSource = self
//        [[snapshotTableView menu] setDelegate:mainController];
//        [snapshotTableView setDoubleAction:@selector(toggleSelectedSnapshots:)];
//        [snapshotTableView setTarget:mainController];
        self.snapshotTableView.backgroundColor = .clear
//        [snapshotTableView setDraggingSourceOperationMask:NSDragOperationEvery forLocal:NO];
        self.snapshotLabel.stringValue = KMLocalizedString("Snapshots", nil)
        self.snapshotLabel.textColor = KMAppearance.Layout.h0Color()
//        [_snapshotNormalZoomInButton setAction:@selector(thumbnailSizeScaling:)];
//        [_snapshotNormalZoomInButton setTarget:mainController];
//        _snapshotNormalZoomInButton.tag = 2;
//        [_snapshotNormalZoomOutButton setAction:@selector(thumbnailSizeScaling:)];
//        [_snapshotNormalZoomOutButton setTarget:mainController];
//        _snapshotNormalZoomOutButton.tag = 3;
        self.snapshotNormalSearchButton.toolTip = KMLocalizedString("Search", nil)
//        [_snapshotNormalMoreButton setAction:@selector(leftSideViewMoreButtonAction:)];
//        [_snapshotNormalMoreButton setTarget:mainController];
//        [_snapshotNormalMoreButton setTag:300];
        
//        [_snapshotSearchZoomInButton setAction:@selector(thumbnailSizeScaling:)];
//        [_snapshotSearchZoomInButton setTarget:mainController];
//        _snapshotSearchZoomInButton.tag = 2;
//        [_snapshotSearchZoomOutButton setAction:@selector(thumbnailSizeScaling:)];
//        [_snapshotSearchZoomOutButton setTarget:mainController];
//        _snapshotSearchZoomOutButton.tag = 3;
        self.snapshotDoneButton.title = KMLocalizedString("Done", nil)
        self.snapshotDoneButton.toolTip = KMLocalizedString("Done", nil)
        self.snapshotDoneButton.setTitleColor(KMAppearance.Layout.w0Color())
        self.snapshotDoneButton.wantsLayer = true
        self.snapshotDoneButton.layer?.backgroundColor = KMAppearance.Interactive.a0Color().cgColor
        self.snapshotDoneButton.layer?.cornerRadius = 4.0
//        [self.snapshotDoneButton setAction:@selector(leftSideViewDoneButtonAction:)];
//        [self.snapshotDoneButton setTarget:mainController];
//        [self.snapshotDoneButton setTag:312];
//        self.snapshotDoneButton.hidden = YES;
         
//        [noteOutlineView setAutoresizesOutlineColumn: NO];
        
        self.noteOutlineView.delegate = self
        self.noteOutlineView.dataSource = self
//        [[noteOutlineView menu] setDelegate:mainController];
//        [noteOutlineView setTypeSelectHelper:[SKTypeSelectHelper typeSelectHelperWithMatchOption:SKSubstringMatch]];
//        [noteOutlineView setIndentationPerLevel:0.0];
//        [noteOutlineView registerForDraggedTypes:[NSColor readableTypesForPasteboard:[NSPasteboard pasteboardWithName:NSDragPboard]]];
        
        self.snapshotSearchField.backgroundColor = KMAppearance.Layout.l_1Color()
         self.outlineSearchField.backgroundColor = KMAppearance.Layout.l_1Color()
         self.noteSearchField.backgroundColor = KMAppearance.Layout.l_1Color()
         self.snapshotSearchField.wantsLayer = true
         self.outlineSearchField.wantsLayer = true
         self.noteSearchField.wantsLayer = true
        self.snapshotSearchField.layer?.backgroundColor = KMAppearance.Layout.l_1Color().cgColor
         self.outlineSearchField.layer?.backgroundColor = KMAppearance.Layout.l_1Color().cgColor
         self.noteSearchField.layer?.backgroundColor = KMAppearance.Layout.l_1Color().cgColor
         self.snapshotSearchField.layer?.borderWidth = 1.0
         self.outlineSearchField.layer?.borderWidth = 1.0
         self.noteSearchField.layer?.borderWidth = 1.0
        self.snapshotSearchField.layer?.borderColor = KMAppearance.Interactive.a0Color().cgColor
         self.outlineSearchField.layer?.borderColor = KMAppearance.Interactive.a0Color().cgColor
         self.noteSearchField.layer?.borderColor = KMAppearance.Interactive.a0Color().cgColor
        
//        __block typeof(self) blockSelf = self;
//        _snapshotSearchField.changeCallBack = ^(NSString *changeContent) {
//            NSString *editContent = @"";
//            if (changeContent) {
//                editContent = changeContent;
//            }
//            [blockSelf.mainController searchFieldChangeAction:editContent];
//        };
        self.snapshotSearchField.isHidden = true
        self.snapshotSearchZoomOutButton.isHidden = true
        self.snapshotSearchZoomInButton.isHidden = true
    //    _snapshotSearchField.endEditCallBack = ^(BOOL isEndEdit) {
    //        if (isEndEdit/* && searchViewController.segmentedControl.segmentCount == 3*/) {
    //            _snapshotSearchField.hidden = YES;
    //            _snapshotSearchZoomOutButton.hidden = YES;
    //            _snapshotSearchZoomInButton.hidden = YES;
    //            _snapshotLabel.hidden = NO;
    //            _snapshotNormalZoomOutButton.hidden = NO;
    //            _snapshotNormalZoomInButton.hidden = NO;
    //        }
    //    };
        self.thumbnailZoomInButton.toolTip = KMLocalizedString("Zoom In", nil)
        self.snapshotNormalZoomInButton.toolTip = KMLocalizedString("Zoom In", nil)
        self.snapshotSearchZoomInButton.toolTip = KMLocalizedString("Zoom In", nil)
        self.thumbnailZoomOutButton.toolTip = KMLocalizedString("Zoom Out", nil)
        self.snapshotNormalZoomOutButton.toolTip = KMLocalizedString("Zoom Out", nil)
        self.snapshotSearchZoomOutButton.toolTip = KMLocalizedString("Zoom Out", nil)
        
        self.outlineLabel.stringValue = KMLocalizedString("Outline", nil);
        self.outlineLabel.textColor = KMAppearance.Layout.h0Color()
//        self.outlineAddButton.toolTip = NSLocalizedString(@"Add Item", nil);
//        [self.outlineAddButton setAction:@selector(outlineContextMenuItemClicked_AddEntry:)];
//        [self.outlineAddButton setTarget:mainController];
//        self.outlineSearchButton.toolTip = NSLocalizedString(@"Search", nil);
//        [self.outlineMoreButton setAction:@selector(leftSideViewMoreButtonAction:)];
//        [self.outlineMoreButton setTarget:mainController];
//        [self.outlineMoreButton setTag:302];
        self.outlineDoneButton.title = KMLocalizedString("Done", nil);
        self.outlineDoneButton.toolTip = KMLocalizedString("Done", nil);
        self.outlineDoneButton.setTitleColor(KMAppearance.Layout.w0Color())
        self.outlineDoneButton.wantsLayer = true
        self.outlineDoneButton.layer?.backgroundColor = KMAppearance.Interactive.a0Color().cgColor
        self.outlineDoneButton.layer?.cornerRadius = 4.0
//        [self.outlineDoneButton setAction:@selector(leftSideViewDoneButtonAction:)];
//        [self.outlineDoneButton setTarget:mainController];
//        [self.outlineDoneButton setTag:310];
//        self.outlineDoneButton.hidden = YES;
        self.outlineSearchField.isHidden = true
    //    _outlineSearchField.endEditCallBack = ^(BOOL isEndEdit) {
    //        if (isEndEdit) {
    //            _outlineSearchField.hidden = YES;
    //            _outlineLabel.hidden = NO;
    //            _outlineSearchButton.hidden = NO;
    //        }
    //    };
//        NSMenu *menuOutline = [NSMenu menu];
//        [menuOutline addItemWithTitle:NSLocalizedString(@"Ignore Case", @"Menu item title") action:@selector(toggleOutlineCaseInsensitiveSearch:) target:mainController];
//        [[_outlineSearchField cell] setSearchMenuTemplate:menuOutline];
//        [[_outlineSearchField cell] setPlaceholderString:NSLocalizedString(@"Search Outline", nil)];
//        [_outlineSearchField setTarget:mainController];
        
        let sud = UserDefaults.standard
        self.noteTitleLabel.stringValue = KMLocalizedString("Notes", nil);
        self.noteTitleLabel.textColor = KMAppearance.KMColor_Layout_H0()
//        [self.noteMoreButton setAction:@selector(leftSideViewMoreButtonAction:)];
//        [self.noteMoreButton setTarget:mainController];
//        [self.noteMoreButton setTag:304];
//        self.noteMoreButton.wantsLayer = YES;
//        _moreButtonLayer = [KMButtonLayer layer];
//        [self.noteMoreButton.layer addSublayer:_moreButtonLayer];
//        _moreButtonLayer.frame = CGRectMake(0, 0, CGRectGetWidth(self.noteMoreButton.bounds), CGRectGetHeight(self.noteMoreButton.bounds));
//        _moreButtonLayer.layerType = KMNoteFilerButtonLayerType_None;
//        _moreButtonLayer.hidden = YES;
        
//        [self.noteFilterButton setAction:@selector(noteFilterAction:)];
//        [self.noteFilterButton setTarget:mainController];
//        [self.noteFilterButton setToolTip:NSLocalizedString(@"Sort", nil)];
//        self.noteFilterButton.wantsLayer = YES;
//        _filterButtonLayer = [[NSView alloc] init];
//        [self.noteFilterButton addSubview:_filterButtonLayer];
//        _filterButtonLayer.frame = CGRectMake(14, 2, 8, 8);
    //    _filterButtonLayer.layerType = KMNoteFilerButtonLayerType_Dot;
//        _filterButtonLayer.hidden = YES;
//        _filterButtonLayer.wantsLayer = YES;
//        _filterButtonLayer.layer.backgroundColor = [KMAppearance KMColor_Interactive_A0].CGColor;
//        _filterButtonLayer.layer.cornerRadius = 4.0;
        
        self.noteDoneButton.title = KMLocalizedString("Done", nil)
        self.noteDoneButton.toolTip = KMLocalizedString("Done", nil)
        self.noteDoneButton.setTitleColor(KMAppearance.Layout.w0Color())
        self.noteDoneButton.wantsLayer = true
        self.noteDoneButton.layer?.backgroundColor = KMAppearance.Interactive.a0Color().cgColor
        self.noteDoneButton.layer?.cornerRadius = 4.0
//        [self.noteDoneButton setAction:@selector(leftSideViewDoneButtonAction:)]
//        [self.noteDoneButton setTarget:mainController];
//        [self.noteDoneButton setTag:311];
//        self.noteDoneButton.hidden = YES;
        
        self.noteSearchButton.toolTip = KMLocalizedString("Search", nil)
        self.noteSearchField.isHidden = true
    //    _noteSearchField.endEditCallBack = ^(BOOL isEndEdit) {
    //        if (isEndEdit) {
    //            _noteSearchField.hidden = YES;
    //            _noteSearchButton.hidden = NO;
    //            _noteTitleLabel.hidden = NO;
    //        }
    //    };
        self.noteHeaderView.wantsLayer = true
        self.noteHeaderView.layer?.backgroundColor = KMAppearance.Else.textTagColor().cgColor
        self.noteHeaderView.layer?.cornerRadius = 1.0
//        let sortType = sud.integer(forKey: KMLeftSideViewNoteSortTypeKey)
//        if (sortType) {
//            _noteSortType = sortType;
//            if (sortType == KMNoteSortType_Time) {
//                self.sortTypeLabel.stringValue = NSLocalizedString(@"Time", nil);
//                self.sortTypeBox.toolTip = NSLocalizedString(@"Time", nil);
//            } else if (sortType == KMNoteSortType_Page) {
//                self.sortTypeLabel.stringValue = NSLocalizedString(@"Page", nil);
//                self.sortTypeBox.toolTip = NSLocalizedString(@"Page", nil);
//            }
//        } else {
//            _noteSortType = KMNoteSortType_Time;
//            self.sortTypeLabel.stringValue = NSLocalizedString(@"Time", nil);
//        }
        self.sortTypeLabel.textColor = KMAppearance.Layout.h1Color()
        
//        _isAscendSort = [sud boolForKey:KMLeftSideViewAscendSortBoolKey];
//        if (_isAscendSort) {
//            [_noteSortButton setImage:[NSImage imageNamed:KMImageNameBtnSidebarRankReverse]];
//            [_noteSortButton setToolTip:NSLocalizedString(@"ascending sort", nil)];
//        } else {
//            [_noteSortButton setImage:[NSImage imageNamed:KMImageNameBtnSidebarRankPositive]];
//            [_noteSortButton setToolTip:NSLocalizedString(@"descending sort", nil)];
//        }
        
//        self.sortTypeBox.mouseDownCallback = ^(BOOL downEntered, KMBox *mouseBox) {
//            if (downEntered) {
//                NSMenu *menu = [[[NSMenu alloc] init] autorelease];
//                NSMenuItem *timeItem = [menu addItemWithTitle:NSLocalizedString(@"Time", nil) action:@selector(sortTypeAction:) target:self];
//                [timeItem setRepresentedObject:self];
//                timeItem.tag = 0;
//                NSMenuItem *pageItem = [menu addItemWithTitle:NSLocalizedString(@"Page", nil) action:@selector(sortTypeAction:) target:self];
//                [pageItem setRepresentedObject:self];
//                timeItem.tag = 1;
//                if (self.noteSortType == KMNoteSortType_Time) {
//                    timeItem.state = NSControlStateValueOn;
//                    pageItem.state = NSControlStateValueOff;
//                } else if (self.noteSortType == KMNoteSortType_Page) {
//                    timeItem.state = NSControlStateValueOff;
//                    pageItem.state = NSControlStateValueOn;
//                }
//                [menu popUpMenuPositioningItem:nil atLocation:CGPointMake(-10, 0) inView:self.sortTypeBox];
//            }
//        };
        
        self.searchViewController.loadView()
        self.searchViewController.contentView = self.findTableView.enclosingScrollView
        self.searchField = self.searchViewController.searchField
            
        self.searchViewController.segmentedControl.setSegmentCount(2, with: 25)
        self.searchViewController.segmentedControl.setImage(NSImage(named: KMImageNameUXIconBtnSidebarListNor)!, for: 0)
        self.searchViewController.segmentedControl.setImage(NSImage(named: KMImageNameUXIconBtnSidebarPageNor)!, for: 1)
        self.searchViewController.segmentedControl.setToolTip(KMLocalizedString("Separate search results", nil), for: 0)
        self.searchViewController.segmentedControl.setToolTip(KMLocalizedString("Group search results by page", nil), for: 1)
        self.searchViewController.segmentedControl.isBackgroundHighlighted = true
        self.searchViewController.segmentedControl.selectedSegment = 0
//        [mainController bind:@"findPaneState" toObject:searchViewController.segmentedControl withKeyPath:@"selectedSegment" options:nil];

        self.segmentedControl.segmentCount = 5
        self.segmentedControl.setImage(NSImage(named: KMImageNameUXIconSidetabbarThumbnailNor)!, for: 0)
        self.segmentedControl.setImage(NSImage(named: KMImageNameUXIconSidetabbarOutlineNor)!, for: 1)
        self.segmentedControl.setImage(NSImage(named: KMImageNameUXIconSidetabbarAnnotationNor)!, for: 2)
        self.segmentedControl.setImage(NSImage(named: KMImageNameUXIconSidetabbarSnapshotNor)!, for: 3)
        self.segmentedControl.setImage(NSImage(named: KMImageNameUXIconSidetabbarSearchNor)!, for: 4)
        self.segmentedControl.setToolTip(KMLocalizedString("View Thumbnails", nil), for: 0)
        self.segmentedControl.setToolTip(KMLocalizedString("View Outline", nil), for: 1)
        self.segmentedControl.setToolTip(KMLocalizedString("View Notes", nil), for: 2)
        self.segmentedControl.setToolTip(KMLocalizedString("View Snapshots", nil), for: 3)
        self.segmentedControl.setToolTip(KMLocalizedString("Search", nil), for: 4)
        self.segmentedControl.selectedSegment = 0
//        [segmentedControl bind:@"selectedSegment" toObject:mainController withKeyPath:@"leftSidePaneState" options:nil];
//        [mainController bind:@"leftSidePaneState" toObject:segmentedControl withKeyPath:@"selectedSegment" options:nil];
        self.segmentedControl.wantsLayer = true
        self.segmentedControl.layer?.backgroundColor = KMAppearance.Layout.l_1Color().cgColor
        self.segmentedControl.block = { [unowned self] segIndex in
            self.toolButtonBox.isHidden = false
            self.toolButtonBoxLayoutConstraint.constant = 40.0
            
            if (segIndex == 0) {
                self.toolButtonBox.contentView = self.thumbnailView
                self.displayThumbnailViewAnimating(true)
            } else if (segIndex == 1) {
                self.toolButtonBox.contentView = self.outlineView
                self.displayTocViewAnimating(false)
            } else if (segIndex == 2) {
                self.toolButtonBox.contentView = self.noteView
                self.displayNoteViewAnimating(false)
            } else if (segIndex == 3) {
                self.toolButtonBox.contentView = self.snapshotNormalView
                self.displaySnapshotViewAnimating(false)
            } else if (segIndex == 4) {
                self.toolButtonBox.isHidden = true
                self.toolButtonBoxLayoutConstraint.constant = 0
                self.displayFindViewAnimating(false)
            }
        }
        
//        self.button.setHelp(KMLocalizedString("View Thumbnails", "Tool tip message"), for: KMLeftSidePaneState.thumbnail.rawValue)
//        self.button.setHelp(KMLocalizedString("View Outline", "Tool tip message"), for: KMLeftSidePaneState.outline.rawValue)
//        self.alternateButton.setHelp(KMLocalizedString("Separate search results", "Tool tip message"), for: KMFindPaneState.singular.rawValue)
//        self.alternateButton.setHelp(KMLocalizedString("Group search results by page", "Tool tip message"), for: KMFindPaneState.grouped.rawValue)
        
//        NSMenu *menu = [NSMenu menu];
//        [menu addItemWithTitle:NSLocalizedString(@"Whole Words Only", @"Menu item title") action:@selector(toggleWholeWordSearch:) target:mainController];
//        [menu addItemWithTitle:NSLocalizedString(@"Ignore Case", @"Menu item title") action:@selector(toggleCaseInsensitiveSearch:) target:mainController];
//        [[searchField cell] setSearchMenuTemplate:menu];
//        [[searchField cell] setPlaceholderString:NSLocalizedString(@"Search PDF", @"placeholder")];
        
//        [searchField setAction:@selector(search:)];
//        [searchField setTarget:mainController];
        
        self.tocOutlineView.autoresizesOutlineColumn = false
        self.tocOutlineView.allowsMultipleSelection = true
        self.tocOutlineView.allowsEmptySelection = true
        self.tocOutlineView.delegate = self
        self.tocOutlineView.dataSource = self
        
        self.thumbnailTableView.delegate = self
        self.thumbnailTableView.dataSource = self
        self.thumbnailTableView.allowsMultipleSelection = true
        self.findTableView.delegate = self
    //    [groupedFindTableView setDelegate:mainController];
        self.groupedFindTableView.dataSource = self
//        [[thumbnailTableView menu] setDelegate:mainController];
//        [[findTableView menu] setDelegate:mainController];
//        [[groupedFindTableView menu] setDelegate:mainController];
        
//        [tocOutlineView setDoubleAction:@selector(goToSelectedOutlineItem:)];
//        [tocOutlineView setTarget:mainController];
//        [findTableView setDoubleAction:@selector(goToSelectedFindResults:)];
//        [findTableView setTarget:mainController];
//        [groupedFindTableView setDoubleAction:@selector(goToSelectedFindResults:)];
//        [groupedFindTableView setTarget:mainController];
        
//        [thumbnailTableView setTypeSelectHelper:[SKTypeSelectHelper typeSelectHelperWithMatchOption:SKFullStringMatch]];
//        //支持拖拽的文字类型
//        [thumbnailTableView registerForDraggedTypes:@[KPDFThumbnailLocalForDraggedTypes,NSFilenamesPboardType]];
//        [tocOutlineView setTypeSelectHelper:[SKTypeSelectHelper typeSelectHelperWithMatchOption:SKSubstringMatch]];
//        [tocOutlineView registerForDraggedTypes:[NSArray arrayWithObject:kKMPDFViewOutlineDragDataType]];
//        [[[findTableView tableColumnWithIdentifier:PAGE_COLUMNID] headerCell] setTitle:NSLocalizedString(@"Page", @"Table header title")];
//        [[[groupedFindTableView tableColumnWithIdentifier:PAGE_COLUMNID] headerCell] setTitle:NSLocalizedString(@"Page", @"Table header title")];
//        [[[groupedFindTableView tableColumnWithIdentifier:RELEVANCE_COLUMNID] dataCell] setEnabled:NO];
        
//        if (RUNNING_AFTER(10_9)) {
//            [thumbnailTableView setSelectionHighlightStyle:NSTableViewSelectionHighlightStyleNone];
//            [(SKSourceListTextFieldCell *)[[thumbnailTableView tableColumnWithIdentifier:PAGE_COLUMNID] dataCell] setSimulatesSourceList:YES];
//        }
        
//        NSSortDescriptor *countDescriptor = [[[NSSortDescriptor alloc] initWithKey:SKGroupedSearchResultCountKey ascending:NO] autorelease];
//        [groupedFindArrayController setSortDescriptors:[NSArray arrayWithObjects:countDescriptor, nil]];
//
//        [thumbnailTableView setDraggingSourceOperationMask:NSDragOperationEvery forLocal:NO];
        
//        if (NO == [[NSUserDefaults standardUserDefaults] boolForKey:SKDisableTableToolTipsKey]) {
//            [tocOutlineView setHasImageToolTips:YES];
//            [findTableView setHasImageToolTips:YES];
//            [groupedFindTableView setHasImageToolTips:YES];
//        }
//        [self updateViewColor];
    }
    
    func displayThumbnailViewAnimating(_ animate: Bool) {
        self.replaceSideView(self.thumbnailTableView.enclosingScrollView!, animate: animate)
        
        var frame = self.thumbnailTableView.enclosingScrollView?.frame ?? .zero
        frame.origin.y = 0
        frame.size.height = self.thumbnailTableView.enclosingScrollView?.superview?.frame.size.height ?? 0
        self.thumbnailTableView.enclosingScrollView?.frame = frame
        
        self.resetThumbnails()
        
//        frame = rightSideController.noteOutlineView.enclosingScrollView.frame;
//        frame.origin.y = 0;
//        frame.size.height = rightSideController.noteOutlineView.enclosingScrollView.superview.frame.size.height;
//        rightSideController.noteOutlineView.enclosingScrollView.frame = frame;
        
//        frame = rightSideController.snapshotTableView.enclosingScrollView.frame;
//        frame.origin.y = 0;
//        frame.size.height = rightSideController.snapshotTableView.enclosingScrollView.superview.frame.size.height;
//        rightSideController.snapshotTableView.enclosingScrollView.frame = frame;
        
//        [self updateThumbnailSelection];
    }
    
    func displayFindViewAnimating(_ animate: Bool) {
        self.replaceSideView(self.searchViewController.view, animate: animate)
        if (self.findState != .content) {
            self.findState = .content
        } else {
            self.displayFindState()
        }
        
        var frame = self.searchViewController.view.frame
        frame.origin.y = 0
        frame.size.height = self.searchViewController.view.superview?.frame.size.height ?? .zero
        self.searchViewController.view.frame = frame
        
//        frame = rightSideController.noteOutlineView.enclosingScrollView.frame;
//        frame.origin.y = 0;
//        frame.size.height = rightSideController.noteOutlineView.enclosingScrollView.superview.frame.size.height;
//        rightSideController.noteOutlineView.enclosingScrollView.frame = frame;
        
//        frame = rightSideController.snapshotTableView.enclosingScrollView.frame;
//        frame.origin.y = 0;
//        frame.size.height = rightSideController.snapshotTableView.enclosingScrollView.superview.frame.size.height;
//        rightSideController.snapshotTableView.enclosingScrollView.frame = frame;
//        [self.leftSideEmptyVC.emptySnapView removeFromSuperview];
        
//        [self updataLeftSideSnapView];
    }
    
    func displayFindState() {
        if (self.findState == .content) {
            self.displayFind()
        } else if (self.findState == .note) {
//            [self displayNoteFind];
        } else if (self.findState == .snapshot) {
//            [self displaySnapshotFind];
        }
    }
    /*
     
     - (void) {

     }

     - (void)displayGroupedFindViewAnimating:(BOOL)animate {
         [leftSideController replaceSideView:leftSideController.searchViewController.view animate:animate];
         if (self.findState != SKFindStateContent) {
             self.findState = SKFindStateContent;
         } else {
             [leftSideController displayFindState];
         }
         
         NSRect frame = leftSideController.searchViewController.view.frame;
         frame.origin.y = 0;
         frame.size.height = leftSideController.searchViewController.view.superview.frame.size.height;
         leftSideController.searchViewController.view.frame = frame;
         
         frame = rightSideController.noteOutlineView.enclosingScrollView.frame;
         frame.origin.y = 0;
         frame.size.height = rightSideController.noteOutlineView.enclosingScrollView.superview.frame.size.height;
         rightSideController.noteOutlineView.enclosingScrollView.frame = frame;
         
         frame = rightSideController.snapshotTableView.enclosingScrollView.frame;
         frame.origin.y = 0;
         frame.size.height = rightSideController.snapshotTableView.enclosingScrollView.superview.frame.size.height;
         rightSideController.snapshotTableView.enclosingScrollView.frame = frame;
         
         [self updataLeftSideSnapView];
     }
     */
    
    func displayNoteViewAnimating(_ animate: Bool) {
        self.searchViewController.contentView = nil
        self.replaceSideView(self.noteOutlineView.enclosingScrollView!, animate: animate)
        if (self.findState != .note) {
            self.findState = .note
        } else {
            self.displayFindState()
        }
        
        var frame = self.noteOutlineView.enclosingScrollView?.frame ?? .zero
        frame.origin.y = 0
        frame.size.height = self.noteOutlineView.enclosingScrollView?.superview?.frame.size.height ?? 0
        self.noteOutlineView.enclosingScrollView?.frame = frame
        
        frame = self.noteOutlineView.enclosingScrollView?.frame ?? .zero
        frame.origin.y = 0
        frame.size.height = self.noteOutlineView.enclosingScrollView?.superview?.frame.size.height ?? 0
        self.noteOutlineView.enclosingScrollView?.frame = frame
            
        frame = self.snapshotTableView.enclosingScrollView?.frame ?? .zero
        frame.origin.y = 0
        frame.size.height = self.snapshotTableView.enclosingScrollView?.superview?.frame.size.height ?? 0
        self.snapshotTableView.enclosingScrollView?.frame = frame
            
        let view = self.noteOutlineView.enclosingScrollView
//        CGSize emptyVcSize =  self.leftSideEmptyVC.emptyAnnotationView.frame.size;
//        self.leftSideEmptyVC.emptyAnnotationView.frame = NSMakeRect((view.frame.size.width-emptyVcSize.width)/2.0,(view.frame.size.height-emptyVcSize.height)/2.0, emptyVcSize.width, emptyVcSize.height);
    }
    
    func displaySnapshotViewAnimating(_ animate: Bool) {
        self.searchViewController.contentView = nil
        self.replaceSideView(self.snapshotTableView.enclosingScrollView!, animate: animate)
        if (self.findState != .snapshot) {
            self.findState = .snapshot;
        } else {
            self.displayFindState()
        }
        
        var frame = self.snapshotTableView.enclosingScrollView?.frame ?? .zero
        frame.origin.y = 0
        frame.size.height = self.snapshotTableView.enclosingScrollView?.superview?.frame.size.height ?? 0
        self.snapshotTableView.enclosingScrollView?.frame = frame
        
//        frame = rightSideController.noteOutlineView.enclosingScrollView.frame;
//        frame.origin.y = 0;
//        frame.size.height = rightSideController.noteOutlineView.enclosingScrollView.superview.frame.size.height;
//        rightSideController.noteOutlineView.enclosingScrollView.frame = frame;
        
        frame = self.tocOutlineView.enclosingScrollView?.frame ?? .zero
        frame.origin.y = 0
        frame.size.height = self.tocOutlineView.enclosingScrollView?.superview?.frame.size.height ?? 0
        self.tocOutlineView.enclosingScrollView?.frame = frame
        
//        [self updateSnapshotsIfNeeded];
    }
    
    func displayFind() {
        self.searchField = self.searchViewController.searchField
        
        let menu = NSMenu()
//        menu.addItem(title: <#T##String#>, action: <#T##Selector?#>, target: <#T##AnyObject?#>)
//        [menu addItemWithTitle:NSLocalizedString(@"Whole Words Only", @"Menu item title") action:@selector(toggleWholeWordSearch:) target:mainController];
//        [menu addItemWithTitle:NSLocalizedString(@"Ignore Case", @"Menu item title") action:@selector(toggleCaseInsensitiveSearch:) target:mainController];
//        [[searchViewController.searchField cell] setSearchMenuTemplate:menu];
        (self.searchViewController.searchField.cell as? NSSearchFieldCell)?.placeholderString = KMLocalizedString("Search PDF", "placeholder")
//        self.searchViewController.searchField.target =
//        [searchViewController.searchField setAction:@selector(search:)];
//        [searchViewController.searchField setTarget:mainController];

        if (self.findPaneState == .singular) {
            self.searchViewController.contentView = self.findTableView.enclosingScrollView
        } else if (self.findPaneState == .grouped) {
            self.searchViewController.contentView = self.groupedFindTableView.enclosingScrollView
        }
    }
    
    func displayTocViewAnimating(_ animate: Bool) {
        self.replaceSideView(self.tocOutlineView.enclosingScrollView!, animate: animate)
        
        var frame = self.tocOutlineView.enclosingScrollView?.frame ?? .zero
        frame.origin.y = 0
        frame.size.height = self.tocOutlineView.enclosingScrollView?.superview?.frame.size.height ?? 0
        self.tocOutlineView.enclosingScrollView?.frame = frame
            
//        frame = rightSideController.noteOutlineView.enclosingScrollView.frame;
//        frame.origin.y = 0;
//        frame.size.height = rightSideController.noteOutlineView.enclosingScrollView.superview.frame.size.height;
//        rightSideController.noteOutlineView.enclosingScrollView.frame = frame;
        
        frame = self.snapshotTableView.enclosingScrollView?.frame ?? .zero
        frame.origin.y = 0
        frame.size.height = self.snapshotTableView.enclosingScrollView?.superview?.frame.size.height ?? 0
        self.snapshotTableView.enclosingScrollView?.frame = frame
        
//        [self updateOutlineSelection];
        
        let view = self.tocOutlineView.enclosingScrollView
//        CGSize emptyVcSize =  self.leftSideEmptyVC.emptyOutlineView.frame.size;
        
//        self.leftSideEmptyVC.emptyOutlineView.frame = NSMakeRect((view.frame.size.width-emptyVcSize.width)/2.0,(view.frame.size.height-emptyVcSize.height)/2.0, emptyVcSize.width, emptyVcSize.height);
    }
    /*
     
     @implementation SKLeftSideViewController

     @synthesize thumbnailArrayController, findArrayController, groupedFindArrayController;

     - (BOOL)requiresAlternateButtonForView:(NSView *)aView {
         return NO;
         return [findTableView isDescendantOf:aView] || [groupedFindTableView isDescendantOf:aView];
     }

     - (void)applySearchTableHeader:(NSString *)message {
         [[[findTableView tableColumnWithIdentifier:RESULTS_COLUMNID] headerCell] setStringValue:message];
         [[findTableView headerView] setNeedsDisplay:YES];
         [[[groupedFindTableView tableColumnWithIdentifier:RELEVANCE_COLUMNID] headerCell] setStringValue:message];
         [[groupedFindTableView headerView] setNeedsDisplay:YES];
     }

     - (void)displayFindState {
         if (mainController.findState == SKFindStateContent) {
             [self displayFind];
         } else if (mainController.findState == SKFindStateNote) {
             [self displayNoteFind];
         } else if (mainController.findState == SKFindStateSnapshot) {
             [self displaySnapshotFind];
         }
     }



     - (void)displayNoteFind {
         mainController.rightSideController.searchField = self.noteSearchField;
         
         NSMenu *menu = [NSMenu menu];
         [menu addItemWithTitle:NSLocalizedString(@"Ignore Case", @"Menu item title") action:@selector(toggleCaseInsensitiveNoteSearch:) target:mainController];
         [[self.noteSearchField cell] setSearchMenuTemplate:menu];
         [[self.noteSearchField cell] setPlaceholderString:NSLocalizedString(@"Search Notes", @"placeholder")];
         [self.noteSearchField setAction:@selector(searchNotes:)];
         [self.noteSearchField setTarget:mainController];
     }

     - (void)displaySnapshotFind {
         mainController.rightSideController.searchField = self.snapshotSearchField;
         
         NSMenu *menu = [NSMenu menu];
         [menu addItemWithTitle:NSLocalizedString(@"Ignore Case", @"Menu item title") action:@selector(toggleCaseInsensitiveNoteSearch:) target:mainController];
         [[self.snapshotSearchField cell] setSearchMenuTemplate:menu];
         [[self.snapshotSearchField cell] setPlaceholderString:NSLocalizedString(@"Search Snapshots", @"placeholder")];
         [self.snapshotSearchField setAction:@selector(searchNotes:)];
         [self.snapshotSearchField setTarget:mainController];
         [self.snapshotSearchField setDelegate:mainController];
     }

     #pragma mark - UI Action

     - (IBAction)snapshotNormalSearchButtonAction:(NSButton *)sender {
         _snapshotSearchField.hidden = NO;
     //    _snapshotSearchZoomOutButton.hidden = YES;
         _snapshotSearchZoomInButton.hidden = YES;
         _snapshotNormalSearchButton.hidden = YES;
         _snapshotDoneButton.hidden = NO;
         _snapshotLabel.hidden = YES;
         _snapshotNormalZoomOutButton.hidden = YES;
         _snapshotNormalZoomInButton.hidden = YES;
         
         [_snapshotSearchField becomeFirstResponder];
     }

     - (IBAction)outlineNormalSearchButtonAction:(NSButton *)sender {
         _outlineSearchField.hidden = NO;
         _outlineDoneButton.hidden = NO;
         _outlineLabel.hidden = YES;
         _outlineSearchButton.hidden = YES;
         _outlineMoreButton.hidden = YES;
         _outlineAddButton.hidden = YES;
         
         [_outlineSearchField becomeFirstResponder];
     }

     - (IBAction)noteSearchAction:(NSButton *)sender {
         self.noteSearchField.hidden = NO;
         self.noteTitleLabel.hidden = YES;
         self.noteSearchButton.hidden = YES;
         self.noteDoneButton.hidden = NO;
         self.noteFilterButton.hidden = YES;
         self.noteMoreButton.hidden = YES;
         
         [self.noteSearchField becomeFirstResponder];
     }

     - (IBAction)noteSortAction:(id)sender {
         if (self.isAscendSort) {
             self.isAscendSort = NO;
             [self.noteSortButton setImage:[NSImage imageNamed:KMImageNameBtnSidebarRankPositive]];
             [self.noteSortButton setToolTip:NSLocalizedString(@"descending sort", nil)];
         } else {
             self.isAscendSort = YES;
             [self.noteSortButton setImage:[NSImage imageNamed:KMImageNameBtnSidebarRankReverse]];
             [self.noteSortButton setToolTip:NSLocalizedString(@"ascending sort", nil)];
         }
         [[NSUserDefaults standardUserDefaults] setBool:self.isAscendSort forKey:KMLeftSideViewAscendSortBoolKey];
     }

     - (IBAction)sortTypeAction:(id)sender {
         NSMenuItem *item = (NSMenuItem *)sender;
         NSInteger tag = item.tag;
         
         if (item.state == NSControlStateValueOn) {
             item.state = NSControlStateValueOff;
         } else {
             item.state = NSControlStateValueOn;
         }
         if (tag == 0) {
             self.noteSortType = KMNoteSortType_Page;
             _sortTypeLabel.stringValue = NSLocalizedString(@"Page", nil);
             _sortTypeBox.toolTip = NSLocalizedString(@"Page", nil);
         } else if (tag == 1) {
             self.noteSortType = KMNoteSortType_Time;
             _sortTypeLabel.stringValue = NSLocalizedString(@"Time", nil);
             _sortTypeBox.toolTip = NSLocalizedString(@"Time", nil);
         }
         [[NSUserDefaults standardUserDefaults] setInteger:self.noteSortType forKey:KMLeftSideViewNoteSortTypeKey];
         [[NSUserDefaults standardUserDefaults] synchronize];
     }

     #pragma mark - get && set

     - (void)setIsAscendSort:(BOOL)isAscendSort {
         _isAscendSort = isAscendSort;
         
         [[NSNotificationCenter defaultCenter] postNotificationName:@"KMAnnotationSortTypeKeyNotification" object:self userInfo:nil];
     }

     - (void)setNoteSortType:(KMNoteSortType)noteSortType {
         _noteSortType = noteSortType;
         
         [[NSNotificationCenter defaultCenter] postNotificationName:@"KMAnnotationSortTypeKeyNotification" object:self userInfo:nil];
     }
     */
    
    func resetThumbnails() {
//        [self willChangeValueForKey:THUMBNAILS_KEY];
        
        self.thumbnailCacheSize = 400
        
        self.thumbnails.removeAll()
        let pageLabels = self.listView.document.pageLabels()
        if (pageLabels.isEmpty == false) {
            let isLocked = self.listView.document.isLocked
            let firstPage = self.listView.document.page(at: 0)
            // SKPDFPage
            let emptyPage = CPDFPage()
            let firstFrame = firstPage?.bounds(for: .cropBox) ?? .zero
            let firstFrame2 = firstPage?.bounds(for: .mediaBox) ?? .zero
            emptyPage.setBounds(firstFrame, for: .cropBox)
            emptyPage.setBounds(firstFrame2, for: .mediaBox)
            emptyPage.rotation = firstPage?.rotation ?? 0
            
            let pageImage = firstPage!.thumbnail(of: NSMakeSize(self.thumbnailCacheSize, self.thumbnailCacheSize))
//            NSImage * = [emptyPage thumbnailWithSize:thumbnailCacheSize forBox:[pdfView displayBox]];
            var rect: NSRect = .zero
            rect.size = pageImage?.size ?? .zero
            let width = 1.2 * fmin(NSWidth(rect), NSHeight(rect))
            rect = NSInsetRect(rect, 0.5 * (NSWidth(rect) - width), 0.5 * (NSHeight(rect) - width));
            
            pageImage?.lockFocus()
            NSImage(named: NSImage.applicationIconName)?.draw(in: rect, from: .zero, operation: .sourceOver, fraction: 0.5)
            if (isLocked) {
                NSWorkspace.shared.icon(forFileType: NSFileTypeForHFSTypeCode(OSType(kLockedBadgeIcon))).draw(in: rect, from: .zero, operation: .sourceOver, fraction: 0.5)
                //                [[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kLockedBadgeIcon)] drawInRect:rect fromRect:NSZeroRect operation:NSCompositingOperationSourceOver fraction:0.5];
            }
            pageImage?.unlockFocus()
            
//            __block typeof(self) blockSelf = self;
            for (i, label) in pageLabels.enumerated() {
                let thumbnail = KMThumbnail(image: pageImage, label: label, pageIndex: i)
                //                thumbnail.delegate = self
                thumbnail.dirty = true
                self.thumbnails.append(thumbnail)
            }
        }
//        [self didChangeValueForKey:THUMBNAILS_KEY];
//        [self allThumbnailsNeedUpdate];
        
        DispatchQueue.main.async {
            self.thumbnailTableView.reloadData()
        }
    }
    /*
     
     
     */
}

//MARK: NSTableViewDelegate,NSTableViewDataSource

//extension KMLeftSideViewController: NSTableViewDelegate,NSTableViewDataSource {
//    func numberOfRows(in tableView: NSTableView) -> Int {
//        return self.dataSource.count
//    }
//
//    func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
//        let cell : KMLiftSideCellView = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMLiftSideCellView"), owner: self) as! KMLiftSideCellView
//        if row <= selectImage.count-1 {
//            if self.dataSource[row] == self.type {
//                cell.isSelect = true
//                cell.mothedImage.image = NSImage(named: selectImage[row])
//                cell.backgroundColor(NSColor.km_init(hex: "#DFE1E5"))
//            } else {
//                cell.isSelect = false
//                cell.mothedImage.image = NSImage(named: norImage[row])
//                cell.backgroundColor(NSColor.clear)
//            }
//        }
//        cell.index = row
//        cell.buttonClick = { [unowned self] index in
//            if ((index < self.dataSource.count) && (index > -1)) {
//
//                let isSearch = self.type.methodType == .Search
//
//                var show = true
//                if( self.type == self.dataSource[index]) {
//                    self.type = KMLeftMethodMode()
//                    show = false
//                } else {
//                    self.type = self.dataSource[index]
//                    show = true
//                }
//
//                self.trackEvent(type: self.type.methodType)
//
//                self.updateViewButtonState()
//                self.delegate?.controlStateChange?(self,show:show)
////                self.leftTableview.selectRowIndexes([index], byExtendingSelection: true)
////                self.leftTableview.reloadData()
//
//                UserDefaults.standard.set(index, forKey: "KMBOTASelectedIndexKey")
//                UserDefaults.standard.synchronize()
//
//                if (isSearch && show == false) {
//                    self.view.window?.makeFirstResponder(self)
//                } else if (isSearch && self.type.methodType != .Search) { // 切换
//                    self.view.window?.makeFirstResponder(self)
//                }
//            }
//        }
//        return cell
//    }
//
//    func tableView(_ tableView: NSTableView, heightOfRow row: Int) -> CGFloat {
//        return 48
//    }
//
//    func tableView(_ tableView: NSTableView, rowViewForRow row: Int) -> NSTableRowView? {
//        let rowView = KMCustomTableRowView()
//        rowView.selectionColor = NSColor(calibratedRed: 223.0/255.0, green: 225.0/255.0, blue: 229.0/255.0, alpha: 1.0)
//        rowView.color = NSColor.km_init(hex: "#F7F8FA")
//        return rowView
//    }
//
//    func tableViewSelectionDidChange(_ notification: Notification) {
//
//    }
//}

//extension KMLeftSideViewController: KMPDFViewPanelSetViewControllerDelegate {
//    func controller(_ controller: KMPDFViewPanelSetViewController, dispayDidChange dispay: KMPDFDisplayType) {
//        self.delegate?.controller?(self, dispayDidChange: dispay)
//    }
//
//    func controller(_ controller: KMPDFViewPanelSetViewController, pageBreaksClick pageBreaks: Bool) {
//        self.listView?.displaysPageBreaks = pageBreaks
//        self.listView?.layoutDocumentView()
//    }
//
//    func controller(_ controller: KMPDFViewPanelSetViewController, rotateClick rotateType: KMRotateType) {
////        if (rotateType == .clockwise) { /// 顺时针
////            let page : CPDFPage = self.listView?.currentPage() ?? CPDFPage()
////            if page.rotation == 0 {
////                page.rotation = 90
////            } else if page.rotation == 90 {
////                page.rotation = 180
////            } else if page.rotation == 180 {
////                page.rotation = 270
////            } else if page.rotation == 270 {
////                page.rotation = 0
////            }
////            self.listView?.layoutDocumentView()
////        } else if (rotateType == .anticlockwise) { /// 逆时针
////            let page : CPDFPage = self.listView?.currentPage() ?? CPDFPage()
////            if page.rotation == 0 {
////                page.rotation = 270
////            } else if page.rotation == 90 {
////                page.rotation = 0
////            } else if page.rotation == 180 {
////                page.rotation = 90
////            } else if page.rotation == 270 {
////                page.rotation = 180
////            }
////            self.listView?.layoutDocumentView()
////        }
////
//        self.delegate?.controller?(controller: self, rotateType: rotateType)
//    }
//}

// MARK: -
// MARK: - 扩展

extension KMLeftSideViewController {
    public func selectType(_ type: BotaType) {
        // 更新 type
        var show = true
        if (self.type.methodType == .None) {
            show = true
        } else {
            if (self.type.methodType == type) {
                show = false
            } else {
                show = true
            }
        }
        
        var index: Int = NSNotFound
        switch type {
        case .None:
            index = NSNotFound
            break
        case .Thumbnail:
            index = 0
            break
        case .Outline:
            index = 1
            break
        case .BookMark:
            index = 2
            break
        case .Annotation:
            index = 3
            break
        case .Search:
            index = 4
            break
        case .From:
            index = 5
            break
        case .Signature:
            index = 6
            break
        }
        
        self.type = self.getMethodMode(show ? type : .None)
        
        // 更新按钮状态
//        self.updateViewButtonState()
        // 将事件传递出去
        self.delegate?.controlStateChange?(self,show:show)
        if (index != NSNotFound) {
//            self.leftTableview.selectRowIndexes([index], byExtendingSelection: true)
            
            // 记录当前选中
            UserDefaults.standard.set(index, forKey: "KMBOTASelectedIndexKey")
            UserDefaults.standard.synchronize()
        }
//        self.leftTableview.reloadData()
    }
    
    private func getMethodMode(_ type: BotaType) -> KMLeftMethodMode {
        let mode = KMLeftMethodMode()
        mode.methodType = type
        switch type {
        case .None:
            mode.methodName = ""
            break
        case .Thumbnail:
            mode.methodName = thumbnailMethodKey
            break
        case .Outline:
            mode.methodName = outlineMethodKey
            break
        case .BookMark:
            mode.methodName = bookMarkMethodKey
            break
        case .Annotation:
            mode.methodName = anntationMethodKey
            break
        case .Search:
            mode.methodName = searchMethodKey
            break
        case .From:
            mode.methodName = formMethodKey
            break
        case .Signature:
            mode.methodName = signatureMethodKey
            break
        }
        return mode
    }
}

//MARK: Cache
extension KMLeftSideViewController {
    func clearAnnotationFilterData() {
        if let _key = self.listView?.document?.documentURL?.path {
            let userDefaults = UserDefaults.standard
            let typeData = try?NSKeyedArchiver.archivedData(withRootObject: [Any](), requiringSecureCoding: false)
            userDefaults.set(typeData, forKey: "KMNoteOutlineFilterSelectArray_Type" + _key)
            let colorData = try?NSKeyedArchiver.archivedData(withRootObject: [Any](), requiringSecureCoding: false)
            userDefaults.set(colorData, forKey: "KMNoteOutlineFilterSelectArray_Color" + _key)
            let authorData = try?NSKeyedArchiver.archivedData(withRootObject: [Any](), requiringSecureCoding: false)
            userDefaults.set(authorData, forKey: "KMNoteOutlineFilterSelectArray_Author" + _key)
            userDefaults.synchronize()
        }
    }
    
    func clearNotification() {
        self.bookViewController.removeNotification()
        self.annotationViewController.removeNotification()
    }
}

// MARK: - Analytics (埋点)

extension KMLeftSideViewController {
    func trackEvent(type: BotaType) -> Void {
        if (type == .Thumbnail) {
            KMAnalytics.trackEvent(eventName: "Btn_LeftSideBar_Thumbnail", parameters: [
                KMAnalytics.Parameter.categoryKey : KMAnalytics.Category.leftSideBar,
                KMAnalytics.Parameter.labelKey : KMAnalytics.Label.leftSideBar_Btn], platform: .AppCenter, appTarget: .all)
        } else if (type == .Outline) {
            KMAnalytics.trackEvent(eventName: "Btn_LeftSideBar_Outline", parameters: [
                KMAnalytics.Parameter.categoryKey : KMAnalytics.Category.leftSideBar,
                KMAnalytics.Parameter.labelKey : KMAnalytics.Label.leftSideBar_Btn], platform: .AppCenter, appTarget: .all)
        } else if (type == .BookMark) {
            KMAnalytics.trackEvent(eventName: "Btn_LeftSideBar_BookMark", parameters: [
                KMAnalytics.Parameter.categoryKey : KMAnalytics.Category.leftSideBar,
                KMAnalytics.Parameter.labelKey : KMAnalytics.Label.leftSideBar_Btn], platform: .AppCenter, appTarget: .all)
        } else if (type == .Annotation) {
            KMAnalytics.trackEvent(eventName: "Btn_LeftSideBar_Annotation", parameters: [
                KMAnalytics.Parameter.categoryKey : KMAnalytics.Category.leftSideBar,
                KMAnalytics.Parameter.labelKey : KMAnalytics.Label.leftSideBar_Btn], platform: .AppCenter, appTarget: .all)
        } else if (type == .Search) {
            KMAnalytics.trackEvent(eventName: "Btn_LeftSideBar_Search", parameters: [
                KMAnalytics.Parameter.categoryKey : KMAnalytics.Category.leftSideBar,
                KMAnalytics.Parameter.labelKey : KMAnalytics.Label.leftSideBar_Btn], platform: .AppCenter, appTarget: .all)
        }
    }
}

// MARK: - Private Methods

extension KMLeftSideViewController {
    @objc private func _themeChanged(_ notification: NSNotification) {
        DispatchQueue.main.asyncAfter(deadline: .now()+0.3) {
            self._updateViewColor()
        }
    }
    
    private func _updateViewColor() {
        if(KMAppearance.isDarkMode()){
            self.leftListView.layer?.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1).cgColor
            self.snapshotNormalView.layer?.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1).cgColor
            self.thumbnailView.layer?.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1).cgColor
            self.noteView.layer?.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1).cgColor
            self.outlineView.layer?.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1).cgColor
            self.view.layer?.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1).cgColor
            self.thumbnailTableView.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1)
            self.groupedFindTableView.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1)
            self.tocOutlineView.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1)
            self.findTableView.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1)
            
            self.snapshotSearchField.layer?.backgroundColor = NSColor(red: 0.224, green: 0.235, blue: 0.243, alpha: 1).cgColor
            self.outlineSearchField.layer?.backgroundColor = NSColor(red: 0.224, green: 0.235, blue: 0.243, alpha: 1).cgColor
            self.noteSearchField.layer?.backgroundColor = NSColor(red: 0.224, green: 0.235, blue: 0.243, alpha: 1).cgColor
            self.segmentedControl.layer?.backgroundColor = NSColor(red: 0.224, green: 0.235, blue: 0.243, alpha: 1).cgColor
            
            self.snapshotSearchField.backgroundColor = NSColor(red: 0.224, green: 0.235, blue: 0.243, alpha: 1)
            self.outlineSearchField.backgroundColor = NSColor(red: 0.224, green: 0.235, blue: 0.243, alpha: 1)
            self.noteSearchField.backgroundColor = NSColor(red: 0.224, green: 0.235, blue: 0.243, alpha: 1)
        } else {
            self.leftListView.layer?.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1, alpha: 1).cgColor
            self.snapshotNormalView.layer?.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1, alpha: 1).cgColor
            self.thumbnailView.layer?.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1, alpha: 1).cgColor
            self.noteView.layer?.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1, alpha: 1).cgColor
            self.outlineView.layer?.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1, alpha: 1).cgColor
            self.view.layer?.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1, alpha: 1).cgColor
            
            self.thumbnailTableView.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1.000, alpha: 1)
            self.groupedFindTableView.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1.000, alpha: 1)
            self.tocOutlineView.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1.000, alpha: 1)
            self.findTableView.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1.000, alpha: 1)
            
            self.snapshotSearchField.layer?.backgroundColor = NSColor(red: 0.922, green: 0.925, blue: 0.941, alpha: 1).cgColor
            self.outlineSearchField.layer?.backgroundColor = NSColor(red: 0.922, green: 0.925, blue: 0.941, alpha: 1).cgColor
            self.noteSearchField.layer?.backgroundColor = NSColor(red: 0.922, green: 0.925, blue: 0.941, alpha: 1).cgColor
            self.segmentedControl.layer?.backgroundColor = NSColor(red: 0.922, green: 0.925, blue: 0.941, alpha: 1).cgColor
            
            self.snapshotSearchField.backgroundColor = NSColor(red: 0.922, green: 0.925, blue: 0.941, alpha: 1)
            self.outlineSearchField.backgroundColor = NSColor(red: 0.922, green: 0.925, blue: 0.941, alpha: 1)
            self.noteSearchField.backgroundColor = NSColor(red: 0.922, green: 0.925, blue: 0.941, alpha: 1)
        }
    }
    
    private func _hasContainString(_ searchString: String, rootOutline outline: CPDFOutline) -> Bool {
//        if ([outline.label rangeOfString:searchString options:self.outlineIgnoreCaseFlag?NSCaseInsensitiveSearch:0].location != NSNotFound){
//            return YES;
//        } else {
//            BOOL subHas = NO;
//            for (NSUInteger i = 0; i < outline.numberOfChildren; i ++) {
//                PDFOutline *subOutline = [outline childAtIndex:i];
//                subHas = [self hasContainString:searchString rootOutline:subOutline];
//                if (subHas) {
//                    break;
//                }
//            }
//            return subHas;
//        }
        return false
    }
}

// MARK: - KMThumbnailTableViewDelegate, NSTableViewDataSource

extension KMLeftSideViewController: NSTableViewDelegate, NSTableViewDataSource {
    func numberOfRows(in tableView: NSTableView) -> Int {
        if tableView.isEqual(to: self.thumbnailTableView) {
            return self.thumbnails.count
        } else if tableView.isEqual(to: self.findTableView) {
            return self.searchResults.count
        }
        return 0
    }
    
    func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
        if tableView.isEqual(to: self.thumbnailTableView) {
            let cell = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMThumbnailTableviewCell"), owner: self) as! KMThumbnailTableviewCell
            let thumbnail = self.thumbnails[row]
            cell.pageNumLabel.stringValue = thumbnail.label
            cell.thumImage.image = thumbnail.image
            if let _image = thumbnail.image {
                let multiplierHToW = _image.size.height / (_image.size.width == 0 ? 1 : _image.size.width)
                let multiplierWToH = _image.size.width  / (_image.size.height == 0 ? 1 : _image.size.height)
                if (_image.size.height > _image.size.width) {
                    NSLayoutConstraint.deactivate([cell.imageAspectRatioLayout])
                    cell.imageAspectRatioLayout = NSLayoutConstraint(item: cell.thumImage, attribute: .height, relatedBy: .equal, toItem: cell.thumImage, attribute: .width, multiplier: multiplierHToW, constant: 0)
                    NSLayoutConstraint.activate([cell.imageAspectRatioLayout])
                } else {
                    NSLayoutConstraint.deactivate([cell.imageAspectRatioLayout])
                    cell.imageAspectRatioLayout = NSLayoutConstraint(item: cell.thumImage, attribute: .width, relatedBy: .equal, toItem: cell.thumImage, attribute: .height, multiplier: multiplierWToH, constant: 0)
                    NSLayoutConstraint.activate([cell.imageAspectRatioLayout])
                }
            }

            if (self.isDisplayPageSize) {
                cell.sizeLabel.isHidden = false
                //获取Page的真实尺寸
                let page = self.listView.document.page(at: UInt(row))
                let rect = page?.bounds(for: .cropBox) ?? .zero
                let w =  KMPageSizeTool.conversion(withUnit: "mm", value: (CGRectGetWidth(rect)/595 * 210))
                let h =  KMPageSizeTool.conversion(withUnit: "mm", value: (CGRectGetHeight(rect)/842 * 297))
                if let data = page?.rotation, data == 90 || data == 270 {
                    cell.sizeLabel.stringValue = String(format: "%.f × %.f %@", h.stringToCGFloat(), w.stringToCGFloat(), KMLocalizedString("mm", nil))
                } else {
                    cell.sizeLabel.stringValue = String(format: "%.f × %.f %@", w.stringToCGFloat(), h.stringToCGFloat(), KMLocalizedString("mm", nil))
                }
            } else {
                cell.sizeLabel.isHidden = true
            }
            cell.sizeTopConstant.constant = cell.sizeLabel.isHidden ? -cell.sizeLabel.frame.size.height : 0
            if(self.thumbnailTableView.selectedRowIndexes.contains(row)) {
                cell.isSelectCell = true
            } else {
                cell.isSelectCell = false
            }
            return cell
        } else if (tableView.isEqual(to: self.findTableView)) {
            let cell = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMFindTableviewCell"), owner: self) as! KMFindTableviewCell
             let selection = searchResults[row]
            if let data = tableColumn?.identifier.rawValue, data == "results" {
                cell.resultLabel.attributedStringValue = selection.attributedString()
                cell.resultLabel.textColor = KMAppearance.Layout.h0Color()
            } else if let data = tableColumn?.identifier.rawValue, data == "page" {
                cell.resultLabel.stringValue = selection.pages().first?.label ?? ""
                cell.resultLabel.textColor = KMAppearance.Layout.h2Color()
            }
            return cell
        } else if tableView.isEqual(to: self.snapshotTableView) {
            let cell = tableView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMSnapshotTableViewCell"), owner: self) as! KMSnapshotTableViewCell
//            SKSnapshotWindowController *snapshot = snapshots[row];
//            cell.snapshotImage.image = snapshot.thumbnail;
//            cell.snapshotLabel.stringValue = snapshot.pageLabel;
//            if (snapshot.hasWindow) {
//                cell.snapshotImageView.hidden = NO;
//            } else {
//                cell.snapshotImageView.hidden = YES;
//            }
//            if(selectCellList.count > 0 && [selectCellList.firstObject integerValue]< 0 && (NSUInteger)row == self.snapshots.count - 1) {
//                cell.isSelectCell = YES;
//            } else {
//                cell.isSelectCell = NO;
//            }
//            for (NSUInteger i = 0; i < selectCellList.count; i ++) {
//                NSInteger selectCell = [selectCellList[i] integerValue];
//                if (selectCell == row) {
//                    cell.isSelectCell = YES;
//                }
//            }
//            if (row == tableView.selectedRow) {
//                [cell.snapshotImageView setImage:[NSImage imageNamed:KMImageNameUXIconSidebarSnapshotWindowSel]];
//            } else {
//                [cell.snapshotImageView setImage:[NSImage imageNamed:KMImageNameUXIconSidebarSnapshotWindowNor]];
//            }
            return cell
        }
        return nil
    }
    
    func tableView(_ tableView: NSTableView, heightOfRow row: Int) -> CGFloat {
        if tableView.isEqual(to: self.thumbnailTableView) {
            let scaling = UserDefaults.standard.float(forKey: "KMThumbnailSizeScalingKey")
            let thumbnailSize = self.thumbnails[row].size
            
            let newScaling: CGFloat = scaling.cgFloat + 0.1
            let newThumbnailHeight = thumbnailSize.width * newScaling
            if (newThumbnailHeight > MIN_SIDE_PANE_WIDTH) {
                self.thumbnailZoomOutButton.isEnabled = false
            } else {
                self.thumbnailZoomOutButton.isEnabled = true
            }
            if ((scaling - 0.1) < 0.3) {
                self.thumbnailZoomInButton.isEnabled = false
            } else {
                self.thumbnailZoomInButton.isEnabled = true
            }
            var labelHeight = 0.0
            if (self.isDisplayPageSize) {
                labelHeight = 56.0
            } else {
                labelHeight = 41.5
            }
            let  cellHeight = thumbnailSize.height + labelHeight
            var thumbSize: NSSize = .zero
            if (scaling != nil && scaling > 0) {
                thumbSize = NSMakeSize(thumbnailSize.width * scaling.cgFloat, cellHeight * scaling.cgFloat)
            } else {
                thumbSize = NSMakeSize(thumbnailSize.width, cellHeight)
            }
            return thumbSize.height
            
    //        NSSize cellSize = NSMakeSize([[tv tableColumnWithIdentifier:IMAGE_COLUMNID] width], fmin(thumbSize.height, roundedThumbnailSize));
    //        if (thumbSize.height < [tv rowHeight])
    //            return [tv rowHeight];
    //        else if (thumbSize.width / thumbSize.height < cellSize.width / cellSize.height)
    //            return cellSize.height;
    //        else
    //            return fmax([tv rowHeight], fmin(cellSize.width, thumbSize.width) * thumbSize.height / thumbSize.width);
        } else if tableView.isEqual(to: self.snapshotTableView) {
            let scaling = UserDefaults.standard.float(forKey: "KMSnapshotSizeScalingKey")
    //        NSSize snapshotSize = [[[[rightSideController.snapshotArrayController arrangedObjects] objectAtIndex:row] thumbnail] size];
            let snapshotSize = CGSizeMake(120, 63)

            var newScaling = scaling + 0.1
            let newSnapshotHeight = snapshotSize.width * newScaling.cgFloat;
            if (newSnapshotHeight > MIN_SIDE_PANE_WIDTH) {
                self.snapshotNormalZoomInButton.isEnabled = false
            } else {
                self.snapshotNormalZoomInButton.isEnabled = true
            }
            if ((scaling - 0.1) < 0.3 || (newSnapshotHeight < 150.0)) {
                self.snapshotNormalZoomOutButton.isEnabled = false
            } else {
                self.snapshotNormalZoomOutButton.isEnabled = true
            }

            let cellHeight = snapshotSize.height + 24.0
            var thumbSize: NSSize = .zero
            if (scaling > 0) {
                thumbSize = NSMakeSize(snapshotSize.width * scaling.cgFloat, cellHeight * scaling.cgFloat)
            } else {
                thumbSize = NSMakeSize(snapshotSize.width, cellHeight)
            }
            return thumbSize.height
        } else if (tableView.isEqual(to: self.findTableView)) {
            return 40.0
        }
        return tableView.rowHeight
    }
    
    func tableView(_ tableView: NSTableView, rowViewForRow row: Int) -> NSTableRowView? {
        if (tableView.isEqual(to: self.findTableView) || tableView.isEqual(to: self.groupedFindTableView)) {
            let rowView = KMCustomTableRowView()
            return rowView
        }
        return nil
    }
    
    /*


     //- (id)tableView:(NSTableView *)tv objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
     //    return nil;
     //}

     - (BOOL)tableView:(NSTableView *)tv writeRowsWithIndexes:(NSIndexSet *)rowIndexes toPasteboard:(NSPasteboard *)pboard {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             NSUInteger idx = [rowIndexes firstIndex];
             if (idx != NSNotFound && [[pdfView document] isLocked] == NO) {
                 PDFPage *page = [[pdfView document] pageAtIndex:idx];
                 NSString *fileExt = nil;
                 NSData *tiffData = [page TIFFDataForRect:[page boundsForBox:[pdfView displayBox]]];
                 
                 if ([[pdfView document] allowsPrinting]) {
                     NSData *pdfData = [page dataRepresentation];
                     fileExt = @"pdf";
                     [pboard declareTypes:[NSArray arrayWithObjects:NSPasteboardTypePDF, NSPasteboardTypeTIFF,NSFilenamesPboardType, NSFilesPromisePboardType, KPDFThumbnailLocalForDraggedTypes,KPDFThumbnailDoucumentURLForDraggedTypes,nil] owner:self];
                     [pboard setData:pdfData forType:NSPasteboardTypePDF];
                     
                     NSData *zNSIndexSetData = [NSKeyedArchiver archivedDataWithRootObject:rowIndexes];
                     
                     [pboard setData:zNSIndexSetData forType:KPDFThumbnailLocalForDraggedTypes];
                     
                     NSData *documentURL = [NSKeyedArchiver archivedDataWithRootObject:[[pdfView document].documentURL absoluteString]];
                     NSString *docmentName = [[[pdfView.document.documentURL path] lastPathComponent] stringByDeletingPathExtension];
                     __block NSMutableString *pagesName = nil;
                     if (rowIndexes.count > 1) {
                         pagesName = [NSMutableString stringWithString:@" pages"];

                     } else {
                         pagesName = [NSMutableString stringWithString:@" page"];
                  
                     }
                     NSString * tFileName = [NSString stringWithFormat:@"%@ %@",pagesName,[self fileNameWithSelectedPages:rowIndexes]];
                     PDFDocument * pdf = [[[PDFDocument alloc] init] autorelease];
                     [rowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                         PDFPage *copyPage = [[pdfView.document pageAtIndex:idx] copy];
                         [pdf insertPage:copyPage atIndex:pdf.pageCount];
                         [copyPage release];
                     }];
                     NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
                     NSString *cachesDir = [paths objectAtIndex:0];
                     docmentName = [NSString stringWithFormat:@"%@%@",docmentName,tFileName];
                     if (docmentName.length > 50) {
                         [docmentName substringWithRange:NSMakeRange(0, 50)];
                     }
                     cachesDir = [[cachesDir stringByAppendingPathComponent:docmentName] stringByAppendingPathExtension:@"pdf"];
                     
                     BOOL success = [pdf writeToFile:cachesDir];
                     if (success) {
                         [pboard setPropertyList:@[cachesDir] forType:NSFilenamesPboardType];
                     }else{
                         [pboard setPropertyList:@[@""] forType:NSFilenamesPboardType];
                     }
                     [pboard setData:documentURL forType:KPDFThumbnailDoucumentURLForDraggedTypes];
                 } else {
                     fileExt = @"tiff";
                     [pboard declareTypes:[NSArray arrayWithObjects:NSPasteboardTypeTIFF, NSFilesPromisePboardType, nil] owner:self];
                 }
                 [pboard setData:tiffData forType:NSPasteboardTypeTIFF];
                 [pboard setPropertyList:[NSArray arrayWithObject:fileExt] forType:NSFilesPromisePboardType];
                 return YES;
             }
         } else if ([tv isEqual:rightSideController.snapshotTableView]) {
             NSUInteger idx = [rowIndexes firstIndex];
             if (idx != NSNotFound) {
                 SKSnapshotWindowController *snapshot = [self objectInSnapshotsAtIndex:idx];
                 [pboard declareTypes:[NSArray arrayWithObjects:NSPasteboardTypeTIFF, NSFilesPromisePboardType, nil] owner:self];
                 [pboard setData:[[snapshot thumbnailWithSize:0.0] TIFFRepresentation] forType:NSPasteboardTypeTIFF];
                 [pboard setPropertyList:[NSArray arrayWithObject:@"tiff"] forType:NSFilesPromisePboardType];
                 return YES;
             }
         }
         return NO;
     }

     - (NSArray *)tableView:(NSTableView *)tv namesOfPromisedFilesDroppedAtDestination:(NSURL *)dropDestination forDraggedRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             __block NSMutableArray *fileURLArray = [NSMutableArray array];
             if (rowIndexes.count > 1) {
                 NSString *docmentName = @"";
                 NSString * tFileName = [NSString stringWithFormat:@"%@",[self fileNameWithSelectedPages:rowIndexes]];
                 PDFDocument *pdf = [[[PDFDocument alloc] init] autorelease];
                 [rowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                     if (idx != NSNotFound && [[pdfView document] isLocked] == NO) {
                         PDFPage *copyPage = [[[pdfView document] pageAtIndex:idx] copy];
                         [pdf insertPage:copyPage atIndex:pdf.pageCount];
                         [copyPage release];
                     }
                 }];
                 NSURL *fileURL = [[[dropDestination URLByAppendingPathComponent:tFileName] URLByAppendingPathExtension:@"pdf"] uniqueFileURL];
                 docmentName = fileURL.path;
                 BOOL success = [pdf writeToFile:docmentName];
                 if(success) {
                     [fileURLArray addObject:[fileURL lastPathComponent]];
                 }
             } else {
                 PDFPage *page = [[pdfView document] pageAtIndex:rowIndexes.firstIndex];
                 NSURL *fileURL = [dropDestination URLByAppendingPathComponent:[self draggedFileNameForPage:page]];
                 NSString *pathExt = nil;
                 NSData *data = nil;
                 
                 if ([[pdfView document] allowsPrinting]) {
                     pathExt = @"pdf";
                     data = [page dataRepresentation];
                 } else {
                     pathExt = @"tiff";
                     data = [page TIFFDataForRect:[page boundsForBox:[pdfView displayBox]]];
                 }
                 
                 fileURL = [[fileURL URLByAppendingPathExtension:pathExt] uniqueFileURL];
                 if ([data writeToURL:fileURL atomically:YES]) {
                     [fileURLArray addObject:[fileURL lastPathComponent]];
                 }
             }
             return fileURLArray;
         } else if ([tv isEqual:rightSideController.snapshotTableView]) {
             NSUInteger idx = [rowIndexes firstIndex];
             if (idx != NSNotFound) {
                 SKSnapshotWindowController *snapshot = [self objectInSnapshotsAtIndex:idx];
                 PDFPage *page = [[pdfView document] pageAtIndex:[snapshot pageIndex]];
                 NSURL *fileURL = [[dropDestination URLByAppendingPathComponent:[self draggedFileNameForPage:page]] URLByAppendingPathExtension:@"tiff"];
                 fileURL = [fileURL uniqueFileURL];
                 if ([[[snapshot thumbnailWithSize:0.0] TIFFRepresentation] writeToURL:fileURL atomically:YES])
                     return [NSArray arrayWithObjects:[fileURL lastPathComponent], nil];
             }
         }
         return [NSArray array];
     }

     - (void)tableView:(NSTableView *)tv sortDescriptorsDidChange:(NSArray *)oldDescriptors {
         if ([tv isEqual:leftSideController.groupedFindTableView]) {
             [leftSideController.groupedFindArrayController setSortDescriptors:[tv sortDescriptors]];
         }
     }



     #pragma mark NSTableView delegate protocol

     - (void)tableViewSelectionDidChange:(NSNotification *)aNotification {
         if ([[aNotification object] isEqual:leftSideController.findTableView] || [[aNotification object] isEqual:leftSideController.groupedFindTableView]) {
             [self updateFindResultHighlightsForDirection:NSDirectSelection];
             
             if ([self interactionMode] == SKPresentationMode && [[NSUserDefaults standardUserDefaults] boolForKey:SKAutoHidePresentationContentsKey])
                 [self hideLeftSideWindow];
         } else if ([[aNotification object] isEqual:leftSideController.thumbnailTableView]) {
             if (mwcFlags.updatingThumbnailSelection == 0) {
                 NSInteger row = [leftSideController.thumbnailTableView selectedRow];
                 NSInteger curPage = [pdfView.document indexForPage:pdfView.currentPage];
                 if (row != -1 && row != curPage)
                     [pdfView goToPage:[[pdfView document] pageAtIndex:row]];
                 
                 if ([self interactionMode] == SKPresentationMode && [[NSUserDefaults standardUserDefaults] boolForKey:SKAutoHidePresentationContentsKey])
                     [self hideLeftSideWindow];
                 
                 thumbnailSelectCount = row;
                 NSMutableIndexSet *rowIndexSet = [[[NSMutableIndexSet alloc] init] autorelease];
                 for (NSInteger i = 0; i < leftSideController.thumbnailTableView.numberOfRows; i ++) {
                     [rowIndexSet addIndex:i];
                 }
                 NSMutableIndexSet *columnIndexSet = [[[NSMutableIndexSet alloc] init] autorelease];
                 [columnIndexSet addIndex:0];
                 [leftSideController.thumbnailTableView reloadDataForRowIndexes:rowIndexSet columnIndexes:columnIndexSet];
             }
         } else if ([[aNotification object] isEqual:rightSideController.snapshotTableView]) {
             NSInteger row = [rightSideController.snapshotTableView selectedRow];
             [selectCellList removeAllObjects];
             [selectCellList addObject:[NSString stringWithFormat:@"%ld",row]];
             if (row != -1) {
                 SKSnapshotWindowController *controller = [[rightSideController.snapshotArrayController arrangedObjects] objectAtIndex:row];
                 if ([[controller window] isVisible])
                     [[controller window] orderFront:self];
             }
             NSMutableIndexSet *rowIndexSet = [[[NSMutableIndexSet alloc] init] autorelease];
             for (NSInteger i = 0; i < rightSideController.snapshotTableView.numberOfRows; i ++) {
                 [rowIndexSet addIndex:i];
             }
             NSMutableIndexSet *columnIndexSet = [[[NSMutableIndexSet alloc] init] autorelease];
             [columnIndexSet addIndex:0];
             [rightSideController.snapshotTableView reloadDataForRowIndexes:rowIndexSet columnIndexes:columnIndexSet];
             
         }
     }

     - (BOOL)tableView:(NSTableView *)tv commandSelectRow:(NSInteger)row {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
     //        NSRect rect = [[[pdfView document] pageAtIndex:row] boundsForBox:kPDFDisplayBoxCropBox];
     //
     //        rect.origin.y = NSMidY(rect) - 0.5 * SNAPSHOT_HEIGHT;
     //        rect.size.height = SNAPSHOT_HEIGHT;
     //        [self showSnapshotAtPageNumber:row forRect:rect scaleFactor:[pdfView scaleFactor] autoFits:NO];
             KMThumbnailTableviewCell *thumbailTabCell = [tv viewAtColumn:0 row:row makeIfNecessary:YES];
             thumbailTabCell.isSelectCell = YES;
             NSMutableIndexSet *rowIndexSet = [[[NSMutableIndexSet alloc] init] autorelease];
             [leftSideController.thumbnailTableView.selectedRowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                 [rowIndexSet addIndex:idx];
             }];
             [rowIndexSet addIndex:row];
             [leftSideController.thumbnailTableView selectRowIndexes:rowIndexSet byExtendingSelection:YES];
             return YES;
         }
         return NO;
     }

     - (BOOL)tableView:(NSTableView *)tv shiftSelectRow:(NSInteger)row {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             if(leftSideController.thumbnailTableView.selectedRowIndexes.count == 0) {
                 KMThumbnailTableviewCell *thumbailTabCell = [tv viewAtColumn:0 row:row makeIfNecessary:YES];
                 thumbailTabCell.isSelectCell = YES;
                 NSMutableIndexSet *rowIndexSet = [[[NSMutableIndexSet alloc] initWithIndex:row] autorelease];
                 [leftSideController.thumbnailTableView selectRowIndexes:rowIndexSet byExtendingSelection:YES];
                 return YES;
             } else if (leftSideController.thumbnailTableView.selectedRowIndexes.count == 1 && leftSideController.thumbnailTableView.selectedRowIndexes.firstIndex == (NSUInteger)row) {
                 return NO;
             } else {
                 __block NSInteger fristIndex = leftSideController.thumbnailTableView.selectedRowIndexes.firstIndex;
                 __block NSInteger lastIndex = leftSideController.thumbnailTableView.selectedRowIndexes.lastIndex;
                 [leftSideController.thumbnailTableView.selectedRowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                     if(idx < (NSUInteger)fristIndex) {
                         fristIndex = idx;
                     }
                     if(idx > (NSUInteger)lastIndex) {
                         lastIndex = idx;
                     }
                 }];
                 
                 if(row < fristIndex) {
                     fristIndex = row;
                 } else if (row > lastIndex) {
                     lastIndex = row;
                 }
                 NSMutableIndexSet *rowIndexSet = [[[NSMutableIndexSet alloc] init] autorelease];
                 for (NSInteger i = fristIndex; i<=lastIndex;i++) {
                     [rowIndexSet addIndex:i];
                 }
                 [leftSideController.thumbnailTableView selectRowIndexes:rowIndexSet byExtendingSelection:YES];
                 return YES;
             }
         }
         return NO;
     }

     - (void)tableViewColumnDidResize:(NSNotification *)aNotification {
         if ([[[[aNotification userInfo] objectForKey:@"NSTableColumn"] identifier] isEqualToString:IMAGE_COLUMNID]) {
             if ([[aNotification object] isEqual:leftSideController.thumbnailTableView]) {
                 [leftSideController.thumbnailTableView noteHeightOfRowsWithIndexesChanged:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, [leftSideController.thumbnailTableView numberOfRows])]];
             } else if ([[aNotification object] isEqual:rightSideController.snapshotTableView]) {
                 [rightSideController.snapshotTableView noteHeightOfRowsWithIndexesChanged:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, [rightSideController.snapshotTableView numberOfRows])]];
             }
         }
     }

     - (void)tableView:(NSTableView *)tv deleteRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if (![[IAPProductsManager defaultManager] isAvailableAllFunction]) {
             [[KMPurchaseCompareWindowController sharedInstance] showWindow:nil];
             return;
         }
         if ([tv isEqual:rightSideController.snapshotTableView]) {
             NSArray *controllers = [[rightSideController.snapshotArrayController arrangedObjects] objectsAtIndexes:rowIndexes];
             [controllers makeObjectsPerformSelector:@selector(close)];
         } else if ([tv isEqual:leftSideController.thumbnailTableView]) {
             [rowIndexes enumerateIndexesWithOptions:NSEnumerationReverse usingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                 if (idx >= [[pdfView document] pageCount]) {
                     return;
                 }
                 for (PDFAnnotation *item in [[[pdfView document] pageAtIndex:idx] notes]){
                     [pdfView removeAnnotation:item];
                 }
                 PDFPage *page = [[pdfView document] pageAtIndex:idx];
                 [[[[self document] undoManager] prepareWithInvocationTarget:self] insertPage:page pageAtIndex:idx];
                 [[pdfView document] removePageAtIndex:idx];
                 
             }];
             [pdfView layoutDocumentView];
             [pageLabels setArray:[[pdfView document] pageLabels]];
             [self resetThumbnails];
             NSUInteger idx = [rowIndexes firstIndex];
             NSInteger index = MIN(idx, [[pdfView document] pageCount]-1);
             [pdfView goToPage:[[pdfView document] pageAtIndex:index]];
         }
     }

     - (void)insertPage:(PDFPage*)page pageAtIndex:(NSInteger)index {
         [[[[self document] undoManager] prepareWithInvocationTarget:self] tableView:leftSideController.thumbnailTableView deleteRowsWithIndexes:[NSIndexSet indexSetWithIndex:index]];
         [[pdfView document] insertPage:page atIndex:index];
         [pdfView layoutDocumentView];
         [pageLabels setArray:[[pdfView document] pageLabels]];
         [self resetThumbnails];
         NSInteger pageIndex = MIN((NSUInteger)index, [[pdfView document] pageCount]-1);
         [pdfView goToPage:[[pdfView document] pageAtIndex:pageIndex]];
     }

     - (BOOL)tableView:(NSTableView *)tv canDeleteRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if ([tv isEqual:rightSideController.snapshotTableView]) {
             return [rowIndexes count] > 0;
         } else if ([tv isEqual:leftSideController.thumbnailTableView]){
             if (self.pdfDocument.pageCount <= 1) {
                 return NO;
             }
             return YES;
         }
         return NO;
     }

     - (void)tableView:(NSTableView *)tv copyRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if (![IAPProductsManager defaultManager].isAvailableAllFunction) {
             [[KMPurchaseCompareWindowController sharedInstance] showWindow:nil];
             return;
         }
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             self.copysPages = [NSMutableArray array];
             if ([[pdfView document] isLocked] == NO) {
                 [rowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                     PDFPage *page = [[pdfView document] pageAtIndex:idx];
                     [self.copysPages addObject:page];
                 }];
     //            NSData *tiffData = [page TIFFDataForRect:[page boundsForBox:[pdfView displayBox]]];
     //            NSPasteboard *pboard = [NSPasteboard generalPasteboard];
     //            NSPasteboardItem *pboardItem = [[[NSPasteboardItem alloc] init] autorelease];
     //            if ([[pdfView document] allowsPrinting])
     //                [pboardItem setData:[page dataRepresentation] forType:NSPasteboardTypePDF];
     //            [pboardItem setData:tiffData forType:NSPasteboardTypeTIFF];
     //            [pboard clearContents];
     //            [pboard writeObjects:[NSArray arrayWithObjects:pboardItem, nil]];
             }
         } else if ([tv isEqual:leftSideController.findTableView]) {
             NSMutableString *string = [NSMutableString string];
             [rowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL *stop) {
                 PDFSelection *match = [searchResults objectAtIndex:idx];
                 [string appendString:@"* "];
                 [string appendFormat:NSLocalizedString(@"Page %@", @""), [match firstPageLabel]];
                 [string appendFormat:@": %@\n", [[match contextString] string]];
             }];
             NSPasteboard *pboard = [NSPasteboard generalPasteboard];
             [pboard clearContents];
             [pboard writeObjects:[NSArray arrayWithObjects:string, nil]];
         } else if ([tv isEqual:leftSideController.groupedFindTableView]) {
             NSMutableString *string = [NSMutableString string];
             [rowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL *stop) {
                 SKGroupedSearchResult *result = [groupedSearchResults objectAtIndex:idx];
                 NSArray *matches = [result matches];
                 [string appendString:@"* "];
                 [string appendFormat:NSLocalizedString(@"Page %@", @""), [[result page] displayLabel]];
                 [string appendString:@": "];
                 [string appendFormat:NSLocalizedString(@"%ld Results", @""), (long)[matches count]];
                 [string appendFormat:@":\n\t%@\n", [[matches valueForKeyPath:@"contextString.string"] componentsJoinedByString:@"\n\t"]];
             }];
             NSPasteboard *pboard = [NSPasteboard generalPasteboard];
             [pboard clearContents];
             [pboard writeObjects:[NSArray arrayWithObjects:string, nil]];
         }
     }

     - (BOOL)tableView:(NSTableView *)tv canCopyRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if ([tv isEqual:leftSideController.thumbnailTableView] || [tv isEqual:leftSideController.findTableView] || [tv isEqual:leftSideController.groupedFindTableView]) {
             return [rowIndexes count] > 0;
         }
         return NO;
     }

     - (void)tableView:(NSTableView *)tv cutRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             self.copysPages = [NSMutableArray array];
             [rowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                 if (idx != NSNotFound) {
                     PDFPage *page = [[pdfView document] pageAtIndex:idx];
                     [self.copysPages addObject:page];;
                 }
             }];
             [self tableView:tv deleteRowsWithIndexes:rowIndexes];
         }
     }

     - (void)tableView:(NSTableView *)tv rotateRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             [rowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                 if (idx != NSNotFound) {
                     PDFPage *page = [[pdfView document] pageAtIndex:idx];
                     [[[[self document] undoManager] prepareWithInvocationTarget:self] rotatePage:page pageAtIndex:idx];
                     if (page.rotation == 0) {
                         [page setRotation:90];
                     } else if (page.rotation == 90){
                         [page setRotation:180];
                     } else if (page.rotation == 180){
                         [page setRotation:270];
                     } else if (page.rotation == 270){
                         [page setRotation:0];
                     }
                     [pdfView layoutDocumentView];
                     [self resetThumbnails];
                     NSInteger pageIndex = MIN(idx, [[pdfView document] pageCount]-1);
                     [pdfView goToPage:[[pdfView document] pageAtIndex:pageIndex]];
                 }
                 [leftSideController.thumbnailTableView selectRowIndexes:rowIndexes byExtendingSelection:YES];
             }];
         }
     }

     - (void)rotatePage:(PDFPage*)page pageAtIndex:(NSInteger)index {
         [[[[self document] undoManager] prepareWithInvocationTarget:self] tableView:leftSideController.thumbnailTableView rotateRowsWithIndexes:[NSIndexSet indexSetWithIndex:index]];
         if (page.rotation == 0) {
             [page setRotation:270];
         } else if (page.rotation == 90){
             [page setRotation:0];
         } else if (page.rotation == 180){
             [page setRotation:90];
         } else if (page.rotation == 270){
             [page setRotation:180];
         }
         [pdfView layoutDocumentView];
         [self resetThumbnails];
     }

     - (void)tableView:(NSTableView *)tv shareRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             NSUInteger idx = [rowIndexes firstIndex];
             if (idx != NSNotFound) {
                 PDFPage *page = [[pdfView document] pageAtIndex:idx];
                 NSString *fileName = [[[pdfView document] documentURL] lastPathComponent];
                 NSString *folderPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
                 NSString *filePath = [folderPath stringByAppendingPathComponent:[NSString stringWithFormat:@"Untitled"]];
                 filePath = [filePath stringByAppendingPathExtension:[fileName pathExtension]];
                 
                 [self fileWithPage:page atPath:filePath];
                 
                 if (rint(NSAppKitVersionNumber) < NSAppKitVersionNumber10_8) {
                     [KMMailHelper sendFileWithPaths:[NSArray arrayWithObject:filePath]];
                 } else {
                     NSSharingService *service = [NSSharingService sharingServiceNamed:NSSharingServiceNameComposeEmail];
                     [service performWithItems:[NSArray arrayWithObject:[NSURL fileURLWithPath:filePath]]];
                 }
             }
         }
     }

     - (void)tableView:(NSTableView *)tv extractRowsWithIndexes:(NSIndexSet *)rowIndexes {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             NSMutableArray *pages = [NSMutableArray array];
             [leftSideController.thumbnailTableView.selectedRowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                 if (idx < self.pdfView.document.pageCount) {
                     [pages addObject:[self.pdfView.document pageAtIndex:idx]];
                 }
             }];
             NSString * fileName =  [self.pdfView.document getFileNameAccordingSelctPages:pages];
             KMSavePanelAccessoryController *saveAccessCtr = [[KMSavePanelAccessoryController alloc] init];
             NSSavePanel * outputSavePanel = [NSSavePanel savePanel];
             [outputSavePanel setAllowedFileTypes:[NSArray arrayWithObject:@"pdf"]];
             outputSavePanel.accessoryView = saveAccessCtr.view;
             [outputSavePanel setNameFieldStringValue:fileName];
             [outputSavePanel beginSheetModalForWindow:[self window]completionHandler:^(NSInteger result) {
                 if (result == NSModalResponseOK) {
                     [saveAccessCtr retain];
                     dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                         KMProgressWindowController * vc = [[[KMProgressWindowController alloc] init] autorelease];
     //                    [NSApp beginSheet:[vc window]
     //                       modalForWindow:self.window
     //                        modalDelegate:nil
     //                       didEndSelector:nil
     //                          contextInfo:NULL];
                         [self.window beginSheet:[vc window] completionHandler:^(NSModalResponse returnCode) {
                             
                         }];
                         NSString *saveFilePath = [[outputSavePanel URL] path];

                         dispatch_async(dispatch_get_global_queue(0, 0), ^{
                             
                             PDFDocument * pdf = [[[PDFDocument alloc] init] autorelease];
                             BOOL success = [pdf extractAsOneDocumentWithPages:pages savePath:saveFilePath];
                             dispatch_async(dispatch_get_main_queue(), ^{
                                 if (success) {
                                     if (saveAccessCtr.openAutomaticButton.state == NSControlStateValueOn) {
                                         [[NSDocumentController sharedDocumentController] openDocumentWithContentsOfURL:[outputSavePanel URL] display:YES completionHandler:^(NSDocument * _Nullable document, BOOL documentWasAlreadyOpen, NSError * _Nullable error) {
                                         }];
                                     } else {
                                         NSWorkspace *workspace = [NSWorkspace sharedWorkspace];
                                         NSURL *url = [NSURL fileURLWithPath:saveFilePath];
                                         [workspace activateFileViewerSelectingURLs:[NSArray arrayWithObject:url]];
                                     }
                                 }
                                 [NSApp endSheet:vc.window];
                                 [vc close];
                                 [saveAccessCtr release];
                             });
                         });
                     });
                 }
                 [saveAccessCtr release];
             }];
         }
     }

     - (void)fileWithPage:(PDFPage *)page atPath:(NSString *)filePath {
         NSData *data = [page dataRepresentation];
         PDFDocument *document = [[PDFDocument alloc] initWithData:data];
         
         [[NSFileManager defaultManager] removeItemAtPath:filePath error:nil];
         BOOL success =  [document writeToURL:[NSURL fileURLWithPath:filePath]];
         if (success) {
             NSWorkspace *workspace = [NSWorkspace sharedWorkspace];
             NSURL *url = [NSURL fileURLWithPath:filePath];
             [workspace activateFileViewerSelectingURLs:[NSArray arrayWithObject:url]];
         }
         
         [document release];
     }

     - (BOOL)tableView:(NSTableView *)aTableView canPasteFromPasteboard:(NSPasteboard *)pboard
     {
         if ([aTableView isEqual:leftSideController.thumbnailTableView]) {
             if(self.copysPages.count > 0){
                 return YES;
             }
         }
         return NO;
     }

     - (void)tableView:(NSTableView *)aTableView pasteFromPasteboard:(NSPasteboard *)pboard
     {
         if (![IAPProductsManager defaultManager].isAvailableAllFunction) {
             [[KMPurchaseCompareWindowController sharedInstance] showWindow:nil];
             return;
         }
         if ([aTableView isEqual:leftSideController.thumbnailTableView]) {
             if (self.copysPages.count > 0) {
                 NSUInteger index = [[pdfView document] indexForPage:[pdfView currentPage]] + 1;
                 if (index == NSNotFound) {
                     return;
                 }
                 [self.copysPages enumerateObjectsWithOptions:NSEnumerationReverse usingBlock:^(PDFPage * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
                     PDFPage *page = [obj copy];
                     [[pdfView document] insertPage:page atIndex:index];
                     [page release];
                     [pdfView layoutDocumentView];
                     [pageLabels setArray:[[pdfView document] pageLabels]];
                     [self resetThumbnails];
                     NSInteger pageIndex = MIN(index, [[pdfView document] pageCount]-1);
                     [pdfView goToPage:[[pdfView document] pageAtIndex:pageIndex]];
                     [[[[self document] undoManager] prepareWithInvocationTarget:self] tableView:leftSideController.thumbnailTableView deleteRowsWithIndexes:[NSIndexSet indexSetWithIndex:index]];
                 }];
             }
         }
     }

     - (NSUInteger)tableView:(NSTableView *)tv highlightLevelForRow:(NSInteger)row {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             NSUInteger i, iMax = [lastViewedPages count];
             for (i = 0; i < iMax; i++) {
                 if (row == (NSInteger)[lastViewedPages pointerAtIndex:i])
                     return i;
             }
         }
         return NSNotFound;
     }

     - (void)tableViewMoveLeft:(NSTableView *)tv {
         if (([tv isEqual:leftSideController.findTableView] || [tv isEqual:leftSideController.groupedFindTableView])) {
             [self updateFindResultHighlightsForDirection:NSSelectingPrevious];
         }
     }

     - (void)tableViewMoveRight:(NSTableView *)tv {
         if (([tv isEqual:leftSideController.findTableView] || [tv isEqual:leftSideController.groupedFindTableView])) {
             [self updateFindResultHighlightsForDirection:NSSelectingNext];
         }
     }

     - (id <SKImageToolTipContext>)tableView:(NSTableView *)tv imageContextForRow:(NSInteger)row {
         if ([tv isEqual:leftSideController.findTableView])
             return [[[leftSideController.findArrayController arrangedObjects] objectAtIndex:row] destination];
         else if ([tv isEqual:leftSideController.groupedFindTableView])
             return [[[[[leftSideController.groupedFindArrayController arrangedObjects] objectAtIndex:row] matches] objectAtIndex:0] destination];
         return nil;
     }

     - (NSArray *)tableView:(NSTableView *)tv typeSelectHelperSelectionStrings:(SKTypeSelectHelper *)typeSelectHelper {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             return pageLabels;
         }
         return nil;
     }

     - (void)tableView:(NSTableView *)tv typeSelectHelper:(SKTypeSelectHelper *)typeSelectHelper didFailToFindMatchForSearchString:(NSString *)searchString {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             [statusBar setLeftStringValue:[NSString stringWithFormat:NSLocalizedString(@"No match: \"%@\"", @"Status message"), searchString]];
         }
     }

     - (void)tableView:(NSTableView *)tv typeSelectHelper:(SKTypeSelectHelper *)typeSelectHelper updateSearchString:(NSString *)searchString {
         if ([tv isEqual:leftSideController.thumbnailTableView]) {
             if (searchString.length > 0)
                 [statusBar setLeftStringValue:[NSString stringWithFormat:NSLocalizedString(@"Go to page: %@", @"Status message"), searchString]];
             else
                 [self updateLeftStatus];
         }
     }

     #pragma mark dragging
     - (NSDragOperation)tableView:(NSTableView *)tableView validateDrop:(id <NSDraggingInfo>)info proposedRow:(NSInteger)row proposedDropOperation:(NSTableViewDropOperation)dropOperation
     {
         if (dropOperation == NSTableViewDropOn || ![tableView isEqual:leftSideController.thumbnailTableView]) {
             return NSDragOperationNone;
         }
         NSPasteboard *pboard = [info draggingPasteboard];
          if ([pboard availableTypeFromArray:[NSArray arrayWithObject:KPDFThumbnailLocalForDraggedTypes]]) {
             return NSDragOperationMove;
          } else if ([pboard availableTypeFromArray:[NSArray arrayWithObject:NSFilenamesPboardType]] && [tableView isEqual:leftSideController.thumbnailTableView]){
              NSArray *fileNames = [pboard propertyListForType:NSFilenamesPboardType];
              if (fileNames.count == 1) {
                  NSString *path = fileNames.firstObject;
                  NSString *pathExtension = [path.pathExtension lowercaseString];
                  if ([pathExtension isEqualToString:@"pdf"] ||
                      [[KMImageToPDFMethod supportedImageTypes] containsObject:pathExtension]) {
                      return NSDragOperationMove;
                  }
              } else {
                  return NSDragOperationNone;
                  
              }
          }
         return NSDragOperationNone;
     }

     - (BOOL)tableView:(NSTableView *)tableView acceptDrop:(id <NSDraggingInfo>)info row:(NSInteger)row dropOperation:(NSTableViewDropOperation)dropOperation {
         __block BOOL result = NO;
         if (![tableView isEqual:leftSideController.thumbnailTableView]) {
             return result;
         }
         NSPasteboard *pasteboard = [info draggingPasteboard];
         
         if ([pasteboard availableTypeFromArray:[NSArray arrayWithObject:KPDFThumbnailLocalForDraggedTypes]]) {
             result = YES;
             NSData *rowData = [pasteboard dataForType:KPDFThumbnailLocalForDraggedTypes];
             NSIndexSet *rowIndexes = [NSKeyedUnarchiver unarchiveObjectWithData:rowData];
             NSData *urlData = [pasteboard dataForType:KPDFThumbnailDoucumentURLForDraggedTypes];
             NSString *url = [NSKeyedUnarchiver unarchiveObjectWithData:urlData];
             if(![url isEqualToString:[pdfView document].documentURL.absoluteString] && url) {
                 if ([pasteboard availableTypeFromArray:[NSArray arrayWithObject:NSFilenamesPboardType]]){
                     NSArray *fileNames = [pasteboard propertyListForType:NSFilenamesPboardType];
                     if (fileNames.count == 1) {
                         NSString *path = fileNames.firstObject;
                         NSString *pathExtension = [path.pathExtension lowercaseString];
                         if ([pathExtension isEqualToString:@"pdf"]) {
                             __block NSInteger index = row;
                             __block NSMutableIndexSet *insertIndexSet = [[[NSMutableIndexSet alloc] init] autorelease];
                             PDFDocument *pdf = [[[PDFDocument alloc] initWithURL:[NSURL fileURLWithPath:path]] autorelease];
                             if ([pdf isEncrypted]) {
                                 KMDecryptWindowController *vc = [[KMDecryptWindowController alloc] init];
                                 vc.filePath = url;
                                 [vc beginSheetModalForWindow:self.window completionHandler:^(NSString *password) {
                                     if (password) {
                                         [pdf unlockWithPassword:password];
                                         for(NSUInteger i=0; i<pdf.pageCount;i++) {
                                             PDFPage *page = [[pdf pageAtIndex:i] copy];
                                             [self.pdfView.document insertPage:page atIndex:index];
                                             [insertIndexSet addIndex:index];
                                             index++;
                                             [page release];
                                         }
                                         [self insertPages:insertIndexSet pageAtIndex:(index-1)];
                                     }
                                 }];
                                 [vc release];
                             } else {
                                 for(NSUInteger i=0; i<pdf.pageCount;i++) {
                                     PDFPage *page = [[pdf pageAtIndex:i] copy];
                                     [self.pdfView.document insertPage:page atIndex:index];
                                     [insertIndexSet addIndex:index];
                                     index++;
                                     [page release];
                                 }
                                 [self insertPages:insertIndexSet pageAtIndex:(index-1)];
                             }
                             return YES;
                         }
                     }
                 }
             }
             __block NSInteger pageIndex = 0;
             __block NSMutableArray *pages = [NSMutableArray array];
             [rowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                 PDFPage *page = [[[pdfView document] pageAtIndex:idx] copy];
                 [pages addObject:page];
                 [page release];
             }];
             PDFPage *toPage = nil;
             if (row < (NSInteger)pdfView.document.pageCount) {
                 toPage = [pdfView.document pageAtIndex:row];
             }
            __block NSInteger toPageIndex = 0;
             if (toPage) {
                 toPageIndex = [pdfView.document indexForPage:toPage];
             } else {
                 toPageIndex = pdfView.document.pageCount;
             }
             for(NSUInteger i = 0;i<pages.count;i++) {
                 PDFPage *page = pages[i];
                 [pdfView.document insertPage:page atIndex:toPageIndex+i];
                 pageIndex += 1;
                 [self.pdfView goToPage:page];
             }
             [self.pdfView layoutDocumentView];
             __block NSMutableArray *deletepages = [NSMutableArray array];
             [rowIndexes enumerateIndexesWithOptions:NSEnumerationReverse usingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
                 if((NSInteger)idx < toPageIndex) {
                     if((idx+pageIndex) < pdfView.document.pageCount) {
                         PDFPage *page = [[pdfView document] pageAtIndex:idx];
                         [deletepages addObject:page];
                         [pdfView.document removePageAtIndex:idx];
                     }
                 } else {
                     if((idx+pageIndex) < pdfView.document.pageCount) {
                         PDFPage *page = [[pdfView document] pageAtIndex:idx+pageIndex];
                         [deletepages addObject:page];
                         [pdfView.document removePageAtIndex:idx+pageIndex];
                     }
                 }
             }];
             [[[[self document] undoManager] prepareWithInvocationTarget:self] undoClick];
             [self.pageLabels setArray:[[self.pdfView document] pageLabels]];
             [self.pdfView layoutDocumentView];
             [self resetThumbnails];
             
         } else if ([pasteboard availableTypeFromArray:[NSArray arrayWithObject:NSFilenamesPboardType]] && [tableView isEqual:leftSideController.thumbnailTableView]) {
             if (![[IAPProductsManager defaultManager] isAvailableAllFunction]) {
                 [[KMPurchaseCompareWindowController sharedInstance] showWindow:nil];

                 return NO;
             }
             
             NSArray *fileNames = [pasteboard propertyListForType:NSFilenamesPboardType];
             NSMutableIndexSet *insertIndexSet = [[[NSMutableIndexSet alloc] init] autorelease];
             __block NSInteger index = row;

             if (fileNames.count == 1) {
                 NSString *path = fileNames.firstObject;
                 NSString *pathExtension = [path.pathExtension lowercaseString];
                 if ([pathExtension isEqualToString:@"pdf"]) {
                     PDFDocument *pdf = [[[PDFDocument alloc] initWithURL:[NSURL fileURLWithPath:path]]autorelease];
                     if ([pdf isEncrypted]) {
                         KMDecryptWindowController *vc = [[KMDecryptWindowController alloc] init];
                         vc.filePath = path;
                         [vc beginSheetModalForWindow:self.window completionHandler:^(NSString *password) {
                             if (password) {
                                 [pdf unlockWithPassword:password];
                                 for (NSUInteger i = 0; i< pdf.pageCount; i++) {
                                     PDFPage *page = [[pdf pageAtIndex:i] copy];
                                     [self.pdfView.document insertPage:page atIndex:index];
                                     [insertIndexSet addIndex:index];
                                     index++;
                                     [page release];
                                 }
                                 [self insertPages:insertIndexSet pageAtIndex:(index-1)];
                             }
                         }];
                         [vc release];
                     } else {
                         for (NSUInteger i = 0; i < pdf.pageCount; i++) {
                             PDFPage * page = [[pdf pageAtIndex:i] copy];
                             [self.pdfView.document insertPage:page atIndex:index];
                             [insertIndexSet addIndex:index];
                             index++;
                             [page release];
                         }
                         [self insertPages:insertIndexSet pageAtIndex:(index-1)];
                         
                     }
                 } else if ([[KMImageToPDFMethod supportedImageTypes] containsObject:pathExtension]) {
                     NSImage *image = [[[NSImage alloc] initWithContentsOfFile:path] autorelease];
                     PDFPage * page = [[[PDFPage alloc] initWithImage:image] autorelease];
                     [pdfView.document insertPage:page atIndex:index];
                     [insertIndexSet addIndex:index];
                     [self insertPages:insertIndexSet pageAtIndex:(index-1)];
                 }
                 result = YES;
             } else {
                 result = NO;
             }
         }
         return result;
     }

     */
}

// MARK: - NSOutlineViewDelegate, NSOutlineViewDataSource

extension KMLeftSideViewController: NSOutlineViewDelegate, NSOutlineViewDataSource {
    func outlineView(_ outlineView: NSOutlineView, numberOfChildrenOfItem item: Any?) -> Int {
        if outlineView.isEqual(to: self.tocOutlineView) {
            if item == nil && self.listView.document.isLocked == false {
//            if (item == nil && [[pdfView document] isLocked] == NO) {
//                item = [[pdfView document] outlineRoot];
                var item = self.listView.document.outlineRoot()
                if let data = item?.numberOfChildren, data == 0 && !self.isSearchOutlineMode {
                    let view = self.tocOutlineView.enclosingScrollView
//                    CGSize emptyVcSize =  self.leftSideEmptyVC.emptyOutlineView.frame.size;
                    
//                    self.leftSideEmptyVC.emptyOutlineView.frame = NSMakeRect((view.frame.size.width-emptyVcSize.width)/2.0,(view.frame.size.height-emptyVcSize.height)/2.0, emptyVcSize.width, emptyVcSize.height);
                    
//                    self.leftSideEmptyVC.emptyOutlineView.autoresizingMask = NSViewMinXMargin | NSViewMaxXMargin| NSViewMaxYMargin | NSViewMinYMargin;
//                    [leftSideController.tocOutlineView.enclosingScrollView.documentView addSubview:self.leftSideEmptyVC.emptyOutlineView];
//                    self.leftSideEmptyVC.deleteOutlineBtn.enabled = NO;
                } else {
//                    [self.leftSideEmptyVC.emptyOutlineView removeFromSuperview];
//                    self.leftSideEmptyVC.deleteOutlineBtn.enabled = YES;
                }
//                PDFOutline *item = [[pdfView document] outlineRoot];
                if let data = item?.numberOfChildren, data > 0 {
                    self.outlineSearchButton.isEnabled = true
                } else {
                    self.outlineSearchButton.isEnabled = false
                }
                
                if (self.isSearchOutlineMode) {
                    if self._hasContainString(self.outlineSearchField.stringValue, rootOutline: item!) {
//                        [self showSearchOutlineBlankState:NO];
                    } else {
//                        [self showSearchOutlineBlankState:YES];
                    }
                }
                return Int(item?.numberOfChildren ?? 0)
            }
            if (self.isSearchOutlineMode) {
//                var num = 0
//                for (NSUInteger i = 0; i < [(PDFOutline *)item numberOfChildren]; i++) {
//                    PDFOutline *outline = [(PDFOutline *)item childAtIndex:i];
//                    if ([self hasContainString:self.leftSideController.outlineSearchField.stringValue rootOutline:outline]) {
//                        num ++;
//                    }
//                }
//                return num;
            } else {
//                return [(PDFOutline *)item numberOfChildren];
            }
            return Int((item as? CPDFOutline)?.numberOfChildren ?? 0)
        } else if outlineView.isEqual(to: self.noteOutlineView) {
            if (item == nil){
//                NSInteger count = [[rightSideController.noteArrayController arrangedObjects] count];
//                if (count < 1) {
//                    if (notes.count < 1) {
//                        leftSideController.noteSearchButton.enabled = NO;
//                        leftSideController.noteFilterButton.enabled = NO;
//                    }
//
//                    rightSideController.noteOutlineView.usesAlternatingRowBackgroundColors = NO;
//                    NSView *view = rightSideController.noteOutlineView.enclosingScrollView;
//                    CGSize emptyVcSize =  self.leftSideEmptyVC.emptyAnnotationView.frame.size;
//                    self.leftSideEmptyVC.emptyAnnotationView.frame = NSMakeRect((view.frame.size.width-emptyVcSize.width)/2.0,(view.frame.size.height-emptyVcSize.height)/2.0, emptyVcSize.width, emptyVcSize.height);
//                    self.leftSideEmptyVC.emptyAnnotationView.autoresizingMask = NSViewMinXMargin | NSViewMaxXMargin | NSViewMaxYMargin | NSViewMinYMargin;
//                    [rightSideController.noteOutlineView.enclosingScrollView.documentView addSubview:self.leftSideEmptyVC.emptyAnnotationView];
//                    self.leftSideEmptyVC.exportAnnotationBtn.enabled = NO;
//                    self.leftSideEmptyVC.deleteAnnotationBtn.enabled = NO;
//
//                    if (leftSideController.segmentedControl.selectedSegment == KMSelectedSegmentType_Annotation) {
//                        leftSideController.noteHeaderView.hidden = YES;
//                        leftSideController.toolButtonBoxLayoutConstraint.constant = 40.0;
//                    }
//                } else {
//                    leftSideController.noteSearchButton.enabled = YES;
//                    leftSideController.noteFilterButton.enabled = YES;
//
//                    rightSideController.noteOutlineView.usesAlternatingRowBackgroundColors = NO;
//
//                    [self.leftSideEmptyVC.emptyAnnotationView removeFromSuperview];
//                    self.leftSideEmptyVC.exportAnnotationBtn.enabled = YES;
//                    self.leftSideEmptyVC.deleteAnnotationBtn.enabled = YES;
//
//                    if (leftSideController.segmentedControl.selectedSegment == KMSelectedSegmentType_Annotation) {
//                        leftSideController.noteHeaderView.hidden = NO;
//                        leftSideController.toolButtonBoxLayoutConstraint.constant = 64.0;
//                    }
//                }
//                return count;
            } else {
                //                return [item hasNoteText];
            }
        }
        return 0
    }
    
//    child
    func outlineView(_ outlineView: NSOutlineView, child index: Int, ofItem item: Any?) -> Any {
        if outlineView.isEqual(to: self.tocOutlineView) {
            var _item: CPDFOutline?
            if item == nil && self.listView.document.isLocked == false {
                _item = self.listView.document.outlineRoot()
            }
            var obj = _item?.child(at: UInt(index))
//            if (self.isSearchOutlineMode) {
//                NSMutableArray *array = [NSMutableArray array];
//                for (NSUInteger i = 0; i < [(PDFOutline *)item numberOfChildren]; i ++) {
//                    PDFOutline *subOutline = [(PDFOutline *)item childAtIndex:i];
//                    if ([self hasContainString:self.leftSideController.outlineSearchField.stringValue rootOutline:subOutline]) {
//                        [array addObject:subOutline];
//                    }
//                }
//                return [array objectAtIndex:anIndex];
//            } else {
//             return obj;
//            }
            return obj as Any
        } else if outlineView.isEqual(to: self.noteOutlineView) {
//            if (item == nil)
//            {
//                return [[rightSideController.noteArrayController arrangedObjects] objectAtIndex:anIndex];
//    //            return [self.notes objectAtIndex:anIndex];
//            }
//            else
//                return [item noteText];
        }
        return item
    }
    
    func outlineView(_ outlineView: NSOutlineView, objectValueFor tableColumn: NSTableColumn?, byItem item: Any?) -> Any? {
        if outlineView.isEqual(to: self.tocOutlineView) {
            let tcID = tableColumn?.identifier.rawValue ?? ""
            var ol = item as? CPDFOutline
            if(tcID == LABEL_COLUMNID) {
                if (self.isSearchOutlineMode) {
//                    NSString *roughString = [[ol label] stringByCollapsingWhitespaceAndNewlinesAndRemovingSurroundingWhitespaceAndNewlines]? : @"";
//                    NSArray *arr = [self allRangeOfRoughString:roughString searchString:self.leftSideController.outlineSearchField.stringValue];
//                    NSMutableAttributedString *attributeString = [[[NSMutableAttributedString alloc] initWithString:roughString] autorelease];
//                    for (NSUInteger i = 0; i <arr.count ; i++) {
//                        NSValue * rangeValue = arr[i];
//                        NSRange range = rangeValue.rangeValue;
//                        range.location += i * self.leftSideController.outlineSearchField.stringValue.length;
//                        [attributeString addAttribute:NSFontAttributeName value:[NSFont boldSystemFontOfSize:13] range:range];
//                    }
//                    [attributeString addAttribute:NSForegroundColorAttributeName value:[KMAppearance KMColor_Layout_H0] range:NSMakeRange(0, roughString.length)];
//                    return attributeString;
                } else {
                    var attributedString = NSMutableAttributedString()
//                    attributedString
                    attributedString.append(.init(string: ol?.label ?? "", attributes: [.foregroundColor : KMAppearance.Layout.h0Color()]))
//                    NSString *roughString = [[ol label] stringByCollapsingWhitespaceAndNewlinesAndRemovingSurroundingWhitespaceAndNewlines]? : @"";
//                    NSDictionary *dictAttr1 = @{NSForegroundColorAttributeName:[KMAppearance KMColor_Layout_H0]};
//                    NSAttributedString *attr1 = [[NSAttributedString alloc]initWithString:roughString attributes:dictAttr1];
//                    [attributedString appendAttributedString:attr1];

                    return attributedString
                }

            }
//                                                                                        else if([tcID isEqualToString:PAGE_COLUMNID]) {
//                NSMutableAttributedString *attributedString = [[[NSMutableAttributedString alloc]init] autorelease];
//                NSString *roughString = [ol pageLabel]? : @"";
//                NSDictionary *dictAttr1 = @{NSForegroundColorAttributeName:[KMAppearance KMColor_Layout_H0]};
//                NSAttributedString *attr1 = [[NSAttributedString alloc]initWithString:roughString attributes:dictAttr1];
//                [attributedString appendAttributedString:attr1];
//
//                return attributedString;
//            }
                                                                                        
        }
//        else if ([ov isEqual:rightSideController.noteOutlineView]) {
//            NSString *tcID = [tableColumn  identifier];
//            PDFAnnotation *note = item;
//            if (tableColumn == nil || [tcID isEqualToString:NOTE_COLUMNID])
//                return [note objectValue];
//            else if([tcID isEqualToString:TYPE_COLUMNID]){
//                NSString *noteType = [note type];
//                if ([note isKindOfClass:[PDFAnnotationButtonWidget class]]) {
//                    PDFAnnotationButtonWidget *buttonWidget = (PDFAnnotationButtonWidget *)note;
//                    if (buttonWidget.controlType == kPDFWidgetRadioButtonControl) {
//                        noteType = SKAnnotationFormRadioButtonKey;
//                    } else if (buttonWidget.controlType == kPDFWidgetCheckBoxControl){
//                        noteType = SKAnnotationFormCheckBoxKey;
//                    } else if (buttonWidget.controlType == kPDFWidgetPushButtonControl){
//                        noteType = SKAnnotationFormActionButtonKey;
//                    }
//                } else if ([note isKindOfClass:[PDFAnnotationTextWidget class]]){
//                    noteType = SKAnnotationFormTextFieldKey;
//                } else if ([note isKindOfClass:[PDFAnnotationChoiceWidget class]]){
//                    PDFAnnotationChoiceWidget *choiceWidget = (PDFAnnotationChoiceWidget *)note;
//                    if (choiceWidget.isListChoice) {
//                        noteType = SKAnnotationFormListMenuKey;
//                    } else {
//                        noteType = SKAnnotationFormComboBoxKey;
//                    }
//
//                }
//                 return [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:note == [pdfView activeAnnotation]], SKAnnotationTypeImageCellActiveKey, noteType, SKAnnotationTypeImageCellTypeKey,[note color],SKAnnotationTypeImageCellColorKey, nil];
//            }
//            else if([tcID isEqualToString:COLOR_COLUMNID])
//                return [note type] ? [note color] : nil;
//            else if([tcID isEqualToString:PAGE_COLUMNID])
//                return [[note page] displayLabel];
//            else if([tcID isEqualToString:AUTHOR_COLUMNID])
//                return [note type] ? [note userName] : nil;
//            else if([tcID isEqualToString:DATE_COLUMNID])
//                return [note type] ? [note modificationDate] : nil;
//        }
        return nil
    }
    
    func outlineView(_ outlineView: NSOutlineView, viewFor tableColumn: NSTableColumn?, item: Any) -> NSView? {
        if outlineView.isEqual(to: self.tocOutlineView) {
            let cell = outlineView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMTocTableCellView"), owner: self) as! KMTocTableCellView
            let tcID = tableColumn?.identifier.rawValue
            var ol = item as? CPDFOutline
            if tcID == LABEL_COLUMNID {
                if (self.isSearchOutlineMode) {
//                    NSString *roughString = [[ol label] stringByCollapsingWhitespaceAndNewlinesAndRemovingSurroundingWhitespaceAndNewlines];
//                    NSArray *arr = [self allRangeOfRoughString:roughString searchString:self.leftSideController.outlineSearchField.stringValue];
//                    NSMutableAttributedString *attributeString = [[[NSMutableAttributedString alloc] initWithString:roughString] autorelease];
//
//                    for (NSUInteger i = 0; i <arr.count ; i++) {
//                        NSValue * rangeValue = arr[i];
//                        NSRange range = rangeValue.rangeValue;
//                        range.location += i * self.leftSideController.outlineSearchField.stringValue.length;
//                        [attributeString addAttribute:NSFontAttributeName value:[NSFont boldSystemFontOfSize:13] range:range];
//                    }
//                    cell.tocLabel.attributedStringValue = attributeString;
                } else {
                    cell.tocLabel.stringValue = ol?.label ?? ""
                }
//                cell.pageLabel.stringValue = [ol pageLabel]?[ol pageLabel]:@"";
            }
//                else if([tcID isEqualToString:PAGE_COLUMNID]) {
//                cell.pageLabel.stringValue = [ol pageLabel];
//            }
            return cell
        } else if outlineView.isEqual(to: self.noteOutlineView) {
//            PDFAnnotation *note = item;
            let cell = outlineView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMNoteTableViewCell"), owner: self) as! KMNoteTableViewCell
//            cell.cellNote = note;
//
//            NSColor *noteColor = [note color] ? : nil;
//            NSString *noteType = [note type] ? : @"";
//            NSString *noteString = [note objectValue] ? : @"";
//            NSString *pageString = [[note page] displayLabel] ? : @"";
//            NSDate *date = [note modificationDate] ? : nil;
//            NSString *authorString = [note userName] ? : @"";
//            NSString *noteTextString = [note noteText].string ? : @"";
//
//            if([noteType isEqualToString:@"Redact"]) {
//                noteString = @"Redact";
//            }
//
//            if (![[self.noteTypeDict objectForKey:@"kKMNoteFilterAnnotationTimeKey"] boolValue]) {
//                if (date) {
//                    cell.timeLabel.stringValue = [NSDate timeStringWithTimeDate:date];
//                } else {
//                    cell.timeLabel.stringValue = @"";
//                }
//                cell.timeLabel.hidden = NO;
//            } else {
//                cell.timeLabel.hidden = YES;
//            }
//            if (![[self.noteTypeDict objectForKey:@"kKMNoteFilterAnnotationPageKey"] boolValue]) {
//                CGRect labelsize =[cell.pageLabel.stringValue boundingRectWithSize:CGSizeMake(MAXFLOAT,CGRectGetHeight(cell.pageLabel.bounds)) options:NSStringDrawingUsesLineFragmentOrigin| NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:[NSFont systemFontOfSize:12.0]}context:nil];
//                cell.pageLabelWidthConstraint.constant = labelsize.size.width + 5;
//                cell.pageLabel.stringValue = pageString;
//                cell.pageLabel.hidden = NO;
//            } else {
//                cell.pageLabel.hidden = YES;
//            }
//            if (![[self.noteTypeDict objectForKey:@"kKMNoteFilterAnnotationAutherKey"] boolValue]) {
//                cell.autherLabel.stringValue = authorString;
//                cell.autherLabel.hidden = NO;
//            } else {
//                cell.autherLabel.hidden = YES;
//            }
//            KMNoteTypeImageView *imageView = [[[KMNoteTypeImageView alloc] init] autorelease];
//            if ([note isKindOfClass:[KMAnnotationStamp class]]) {
//                KMAnnotationStamp *annotation_stamp = (KMAnnotationStamp *)note;
//                if (annotation_stamp.image) {
//                    noteType = @"Stamp_Image";
//                }
//            } else if ([note isKindOfClass:[PDFAnnotationLine class]]) {
//                PDFAnnotationLine *annotation_line = (PDFAnnotationLine *)note;
//                if (annotation_line.startLineStyle == kPDFLineStyleNone &&
//                    annotation_line.endLineStyle == kPDFLineStyleNone) {
//                    noteType = @"Line_None";
//                } else if (annotation_line.startLineStyle == kPDFLineStyleNone &&
//                           annotation_line.endLineStyle == kPDFLineStyleOpenArrow) {
//                    noteType = @"Line_OpenArrow";
//                } else {
//                    noteType = @"Line_None";
//                }
//            } else if ([note isKindOfClass:[PDFAnnotationButtonWidget class]]) {
//                PDFAnnotationButtonWidget *buttonWidget = (PDFAnnotationButtonWidget *)note;
//                if (buttonWidget.controlType == kPDFWidgetRadioButtonControl) {
//                    noteType = SKAnnotationFormRadioButtonKey;
//                } else if (buttonWidget.controlType == kPDFWidgetCheckBoxControl){
//                    noteType = SKAnnotationFormCheckBoxKey;
//                } else if (buttonWidget.controlType == kPDFWidgetPushButtonControl){
//                    noteType = SKAnnotationFormActionButtonKey;
//                }
//            } else if ([note isKindOfClass:[PDFAnnotationTextWidget class]]) {
//                noteType = SKAnnotationFormTextFieldKey;
//            } else if ([note isKindOfClass:[PDFAnnotationChoiceWidget class]]) {
//                PDFAnnotationChoiceWidget *choiceWidget = (PDFAnnotationChoiceWidget *)note;
//                if (choiceWidget.isListChoice) {
//                    noteType = SKAnnotationFormListMenuKey;
//                } else {
//                    noteType = SKAnnotationFormComboBoxKey;
//                }
//            } else if ([note isKindOfClass:[KMTableAnnotation class]]) {
//                KMTableAnnotation *table = (KMTableAnnotation *)note;
//                noteType = @"Ink_Table";
//            } else if ([note isKindOfClass:[KMSelfSignAnnotation class]]) {
//                KMSelfSignAnnotation *selfSignNote = (KMSelfSignAnnotation *)note;
//                if (selfSignNote.annotationType == KMSelfSignTypeFalse) {
//                    noteType = @"KMSelfSignTypeFalseActionButtonKey";
//                } else if (selfSignNote.annotationType == KMSelfSignTypeTure) {
//                    noteType = @"KMSelfSignTypeTureActionButtonKey";
//                } else if (selfSignNote.annotationType == KMSelfSignTypeCircle) {
//                    noteType = @"KMSelfSignTypeCircleActionButtonKey";
//                } else if (selfSignNote.annotationType == KMSelfSignTypeLine) {
//                    noteType = @"KMSelfSignTypeLineActionButtonKey";
//                } else if (selfSignNote.annotationType == KMSelfSignTypeDot) {
//                    noteType = @"KMSelfSignTypeDotActionButtonKey";
//                } else if (selfSignNote.annotationType == KMSelfSignTypeText) {
//                    noteType = @"KMSelfSignTypeTextActionButtonKey";
//                }
//            }
//            cell.typeImageView.image = [imageView noteTypeImageWithType:noteType Color:noteColor];
//            cell.typeImageView.hidden = NO;
//
//            if (![note isKindOfClass:[PDFAnnotationMarkup class]]) {
//                cell.isFold = YES;
//            }
//
//            cell.noteContentBox.hidden = YES;
//            cell.noteImageView.hidden = YES;
//            cell.foldButton.hidden = YES;
//            cell.annotationContentLabel.hidden = NO;
//
//            cell.noteContentLabel.stringValue = noteString;
//
//            cell.contentView.hidden = NO;
//            [cell contentViewHidden:NO];
//            if ([note isKindOfClass:[PDFAnnotationMarkup class]]) {
//                PDFAnnotationMarkup *markup = (PDFAnnotationMarkup *)note;
//                if(noteTextString.length > 0) {
//                    cell.foldButton.hidden = NO;
//                }
//                NSMutableAttributedString *attributeStr = [[NSMutableAttributedString alloc]initWithString:noteTextString];
//                if (markup.markupType == kPDFMarkupTypeHighlight) {
//                    [attributeStr addAttribute:NSBackgroundColorAttributeName value:noteColor range:NSMakeRange(0, noteTextString.length)];
//                } else if (markup.markupType == kPDFMarkupTypeStrikeOut) {
//                    [attributeStr addAttribute:NSStrikethroughStyleAttributeName value:[NSNumber numberWithInt:NSUnderlineStyleSingle] range:NSMakeRange(0, noteTextString.length)];
//                    [attributeStr addAttribute:NSStrikethroughColorAttributeName value:noteColor range:NSMakeRange(0, noteTextString.length)];
//                } else if (markup.markupType == kPDFMarkupTypeUnderline) {
//                    [attributeStr addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInt:NSUnderlineStyleSingle] range:NSMakeRange(0, noteTextString.length)];
//                    [attributeStr addAttribute:NSUnderlineColorAttributeName value:noteColor range:NSMakeRange(0, noteTextString.length)];
//                }
//                cell.annotationContentLabel.attributedStringValue = attributeStr;
//
//                if (self.foldType == KMFoldAllAnnotationType_Unfold) {
//                    cell.isFold = NO;
//                } else if (self.foldType == KMFoldAllAnnotationType_Fold) {
//                    cell.isFold = YES;
//                } else {
//                    if (rightSideController.allFoldNotes.count > 0 && [rightSideController.allFoldNotes containsObject:note]) {
//                        cell.isFold = NO;
//                    } else {
//                        cell.isFold = YES;
//                    }
//                }
//                if (noteString.length > 0 && noteTextString.length > 0)
//                    [cell contentViewHidden:NO];
//                else
//                    [cell contentViewHidden:YES];
//            }
//
//            else if ([note isKindOfClass:[PDFAnnotationLine class]] ||
//                     [noteType isEqualToString:SKNSquareString] ||
//                     [noteType isEqualToString:SKNCircleString] ||
//                     [noteType isEqualToString:SKNInkString]) {
//                cell.annotationContentLabel.stringValue = noteString ? : @"";
//                if (noteString.length > 0)
//                    [cell contentViewHidden:NO];
//                else
//                    [cell contentViewHidden:YES];
//            } else if([note isKindOfClass:[PDFAnnotationStamp class]]) {
//                if ([note isKindOfClass:[KMSelfSignAnnotation class]]) {
//                    KMSelfSignAnnotation *newAnnotation = (KMSelfSignAnnotation *)note;
//                    KMSelfSignType type = newAnnotation.annotationType;
//                    NSString *returnString = @"";
//                    if (type == KMSelfSignTypeFalse) {
//                       returnString = NSLocalizedString(@"X", nil);
//                    } else if (type == KMSelfSignTypeTure) {
//                       returnString = NSLocalizedString(@"Check mark", nil);
//                    } else if (type == KMSelfSignTypeCircle) {
//                       returnString = NSLocalizedString(@"Circle", nil);
//                    } else if (type == KMSelfSignTypeLine) {
//                       returnString = NSLocalizedString(@"Line", nil);
//                    } else if (type == KMSelfSignTypeDot) {
//                       returnString = NSLocalizedString(@"Dot", nil);
//                    } else if (type == KMSelfSignTypeText) {
//                       returnString = NSLocalizedString(@"Text", nil);
//                    }
//                    cell.annotationContentLabel.stringValue = returnString;
//                } else {
//                    cell.annotationContentLabel.hidden = YES;
//
//                    cell.noteImageView.hidden = NO;
//                    PDFAnnotation *annotation = note;
//                    NSImage *stampImage = [self stampCreateImage:annotation];
//                    if (stampImage) {
//                        cell.noteImageView.image = [self stampCreateImage:annotation];
//                    } else {
//                        cell.noteImageView.hidden = YES;
//                        [cell contentViewHidden:YES];
//                    }
//                }
//            } else if ([note isKindOfClass:[SKNPDFAnnotationNote class]]) {
//                cell.foldButton.hidden = NO;
//                if (!noteString || noteString.length < 1){
//                    cell.annotationContentLabel.stringValue = noteTextString;
//                }else{
//                    cell.annotationContentLabel.stringValue = noteString;
//                    cell.noteContentLabel.stringValue = noteTextString;
//                }
//
//                if (self.foldType == KMFoldAllAnnotationType_Unfold) {
//                    cell.isFold = NO;
//                } else if (self.foldType == KMFoldAllAnnotationType_Fold) {
//                    cell.isFold = YES;
//                } else {
//                    if (rightSideController.allFoldNotes.count > 0 && [rightSideController.allFoldNotes containsObject:note]) {
//                        cell.isFold = NO;
//                    } else {
//                        cell.isFold = YES;
//                    }
//                }
//                if (noteString.length > 0 || noteTextString.length > 0) {
//                    cell.contentView.hidden = NO;
//                } else {
//                    cell.contentView.hidden = YES;
//                    [cell contentViewHidden:YES];
//                }
//                if (noteString.length > 0 && noteTextString.length > 0) {
//                    cell.foldButton.hidden = NO;
//                }else{
//                    cell.foldButton.hidden = YES;
//                }
//
//            } else {
//                cell.annotationContentLabel.stringValue = noteString;
//                cell.imageViewHeightConstraint.constant = cell.contentView.frame.size.height;
//                if (noteString.length > 0)
//                    [cell contentViewHidden:NO];
//                else
//                    [cell contentViewHidden:YES];
//            }
//
//            cell.autherLayoutConstraint.constant = cell.autherLabel.hidden ? -(cell.autherLabel.bounds.size.width) + 10.0f : 10.0f;
//            cell.typeImageViewLayoutConstraint.constant = cell.typeImageView.hidden ? -(cell.typeImageView.bounds.size.width) : 0.0f;
//            cell.contentBoxLayoutConstraint.constant = cell.noteContentBox.hidden ? -(cell.noteContentBox.bounds.size.height+8.0) : 8.0f;
//            if ([note isKindOfClass:[PDFAnnotationStamp class]] && ![note isKindOfClass:[KMSelfSignAnnotation class]]) {
//
//            } else {
//                if ([note isKindOfClass:[PDFAnnotationMarkup class]]) {
//                    if (!cell.isFold) {
//                        [rightSideController.allFoldNotes addObject:note];
//                    } else {
//                        cell.imageViewHeightConstraint.constant = 18.0 + 8;
//                    }
//                } else {
//                    cell.imageViewHeightConstraint.constant = 18.0 + 8;
//                }
//            }
//            cell.isUnFoldNote = ^(PDFAnnotation *cellNote, BOOL isUnfold) {
//                if (isUnfold) {
//                    if ([rightSideController.allFoldNotes containsObject:note]) {
//                        [rightSideController.allFoldNotes removeObject:note];
//                    }
//
//                    if (rightSideController.allFoldNotes.count == 0) {
//                        self.foldType = KMFoldAllAnnotationType_Fold;
//                    } else {
//                        self.foldType = KMFoldAllAnnotationType_None;
//                    }
//                } else {
//                    if (![rightSideController.allFoldNotes containsObject:note]) {
//                        [rightSideController.allFoldNotes addObject:note];
//                    }
//
//                    if (rightSideController.allFoldNotes.count == rightSideController.canFoldNotes.count) {
//                        self.foldType = KMFoldAllAnnotationType_Unfold;
//                    } else {
//                        self.foldType = KMFoldAllAnnotationType_None;
//                    }
//                }
//            };
//
//            if (@available(macOS 10.13, *)) {
//
//            } else {
//                cell.foldButton.hidden = YES;
//            }
            return cell
        }
        return nil
    }
    
    /*
     #pragma mark NSOutlineView datasource protocol

     - (BOOL)outlineView:(NSOutlineView *)ov isItemExpandable:(id)item{
         if ([ov isEqual:leftSideController.tocOutlineView]) {
             if (item == nil && [[pdfView document] isLocked] == NO)
                 item = [[pdfView document] outlineRoot];
             
             if (self.isSearchOutlineMode) {
                  return [self subOutLineContainString:self.leftSideController.outlineSearchField.stringValue rootOutline:(PDFOutline *)item];
             } else {
                 return ([(PDFOutline *)item numberOfChildren] > 0);
             }
             
         } else if ([ov isEqual:rightSideController.noteOutlineView]) {
     //        return [item hasNoteText];
             return NO;
         }
         return NO;
     }

     - (NSView *)outlineView:(NSOutlineView *)outlineView viewForTableColumn:(NSTableColumn *)tableColumn item:(id)item {
         
         
     }

     - (void)outlineView:(NSOutlineView *)ov setObjectValue:(id)object forTableColumn:(NSTableColumn *)tableColumn byItem:(id)item{
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             PDFAnnotation *note = item;
             if ([note type]) {
                 if ([[tableColumn identifier] isEqualToString:NOTE_COLUMNID]) {
                     if ([(object ?: @"") isEqualToString:([note string] ?: @"")] == NO)
                         [note setString:object];
                 } else if ([[tableColumn identifier] isEqualToString:AUTHOR_COLUMNID]) {
                     if ([(object ?: @"") isEqualToString:([note userName] ?: @"")] == NO)
                         [note setUserName:object];
                 }
             }
         }
     }

     - (NSTableRowView *)outlineView:(NSOutlineView *)outlineView rowViewForItem:(id)item {
         if ([outlineView isEqual:leftSideController.tocOutlineView]) {
             KMCustomTableRowView *itemView = [[[KMCustomTableRowView alloc] init] autorelease];
             return itemView;
         } else if ([outlineView isEqual:rightSideController.noteOutlineView]) {
             KMCustomTableRowView *itemView = [[[KMCustomTableRowView alloc] init] autorelease];
             return itemView;
         }
         return nil;
     }

     #pragma mark Drag
     - (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pasteboard{
         
         if ([outlineView isEqual:leftSideController.tocOutlineView]) {
             if (leftSideController.tocOutlineView.selectedRowIndexes.count > 1) {
                 return NO;
             }
             NSIndexSet *tIndex = [[[NSIndexSet alloc] initWithIndex:leftSideController.tocOutlineView.clickedRow] autorelease];
             [leftSideController.tocOutlineView deselectRow:tIndex.firstIndex];
             self.dragPDFOutline = items.firstObject;

             NSIndexSet *set = [NSIndexSet indexSetWithIndex:0];
             NSData *zNSIndexSetData = [NSKeyedArchiver archivedDataWithRootObject:set];
             [pasteboard declareTypes:[NSArray arrayWithObject:kKMPDFViewOutlineDragDataType] owner:self];
             [pasteboard setData:zNSIndexSetData forType:kKMPDFViewOutlineDragDataType];
             return YES;
         }
         return NO;
     }

     - (NSDragOperation)outlineView:(NSOutlineView *)ov validateDrop:(id <NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(NSInteger)anIndex {
         NSDragOperation dragOp = NSDragOperationNone;
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             NSPasteboard *pboard = [info draggingPasteboard];
             if ([pboard canReadObjectForClasses:[NSArray arrayWithObject:[NSColor class]] options:[NSDictionary dictionary]] &&
                 anIndex == NSOutlineViewDropOnItemIndex && [(PDFAnnotation *)item type] != nil)
                 dragOp = NSDragOperationEvery;
         } else if ([ov isEqual:leftSideController.tocOutlineView]) {
             if (anIndex == -1) {
                 dragOp = NSDragOperationNone;
             } else {
                 dragOp =  NSDragOperationMove;
             }
         }
         return dragOp;
     }

     - (BOOL)outlineView:(NSOutlineView *)ov acceptDrop:(id <NSDraggingInfo>)info item:(id)item childIndex:(NSInteger)anIndex {
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             NSPasteboard *pboard = [info draggingPasteboard];
             if ([pboard canReadObjectForClasses:[NSArray arrayWithObject:[NSColor class]] options:[NSDictionary dictionary]]) {
                 BOOL isShift = ([NSEvent standardModifierFlags] & NSEventModifierFlagShift) != 0;
                 BOOL isAlt = ([NSEvent standardModifierFlags] & NSEventModifierFlagOption) != 0;
                 [item setColor:[NSColor colorFromPasteboard:pboard] alternate:isAlt updateDefaults:isShift];
                 return YES;
             }
         } else if ([ov isEqual:leftSideController.tocOutlineView]) {
             if (anIndex < 0) {
                 return NO;
             }
             PDFOutline *outline = item;
             
             //root,drag item to root
             if (!outline.parent) {
                 //fetch root
                 PDFOutline *root  = self.dragPDFOutline;
                 while (root.parent) {
                     root = root.parent;
                 }
                 if ([self.dragPDFOutline.parent isEqual:root]) {
                     if (self.dragPDFOutline.index > (NSUInteger)anIndex) {
                         [self dragPDFOutline:self.dragPDFOutline toIndex:anIndex newParentOutline:root];
                     } else {
                         [self dragPDFOutline:self.dragPDFOutline toIndex:anIndex - 1 newParentOutline:root];
                     }
                 } else {
                     [self dragPDFOutline:self.dragPDFOutline toIndex:anIndex newParentOutline:root];
                 }
             } else {
                 //在同一个层级内移动
                 if ([self.dragPDFOutline.parent isEqual:item]) {
                     if (self.dragPDFOutline.index) {
                         if (self.dragPDFOutline.index > (NSUInteger)anIndex) {
                             [self dragPDFOutline:self.dragPDFOutline toIndex:anIndex newParentOutline:outline];
                         }else{
                             [self dragPDFOutline:self.dragPDFOutline toIndex:anIndex - 1 newParentOutline:outline];
                         }
                     } else {
                         return NO;
                     }
                 } else {
                     PDFOutline *tOutlline = outline;
                     BOOL isContains = NO;
                     while (tOutlline) {
                         if ([tOutlline isEqual:self.dragPDFOutline]) {
                             isContains = YES;
                             break;
                         }
                         tOutlline = tOutlline.parent;
                     }
                     if (!isContains) {
                         [self dragPDFOutline:self.dragPDFOutline toIndex:anIndex newParentOutline:outline];
                     }
                 }
             }
             return YES;
         }
         return NO;
     }

     #pragma mark NSOutlineView delegate protocol

     - (NSCell *)outlineView:(NSOutlineView *)ov dataCellForTableColumn:(NSTableColumn *)tableColumn item:(id)item {
         if ([ov isEqual:rightSideController.noteOutlineView] && tableColumn == nil && [(PDFAnnotation *)item type] == nil) {
             return [[ov tableColumnWithIdentifier:NOTE_COLUMNID] dataCellForRow:[ov rowForItem:item]];
         }
         return [tableColumn dataCellForRow:[ov rowForItem:item]];
     }

     - (void)outlineView:(NSOutlineView *)ov willDisplayOutlineCell:(id)cell forTableColumn:(NSTableColumn *)tableColumn item:(id)item {
         if ([ov isEqual:leftSideController.tocOutlineView] &&
             [ov selectionHighlightStyle] == NSTableViewSelectionHighlightStyleRegular &&
             [ov isRowSelected:[ov rowForItem:item]]) {
             [cell setBackgroundStyle:NSBackgroundStyleLowered];
         }
     }

     - (BOOL)outlineView:(NSOutlineView *)ov shouldEditTableColumn:(NSTableColumn *)tableColumn item:(id)item{
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             if (tableColumn == nil) {
                 if ([pdfView hideNotes] == NO && [[(SKNoteText *)item note] isNote]) {
                     PDFAnnotation *annotation = [(SKNoteText *)item note];
                     [pdfView scrollAnnotationToVisible:annotation];
                     [pdfView setActiveAnnotation:annotation];
                     [self showNote:annotation];
                     SKNoteWindowController *noteController = (SKNoteWindowController *)[self windowControllerForNote:annotation];
                     [[noteController window] makeFirstResponder:[noteController textView]];
                     [[noteController textView] selectAll:nil];
                 }
                 return NO;
             } else if ([[tableColumn identifier] isEqualToString:NOTE_COLUMNID] || [[tableColumn identifier] isEqualToString:AUTHOR_COLUMNID]) {
                 return YES;
             }
         }
         return NO;
     }

     - (void)outlineView:(NSOutlineView *)ov didClickTableColumn:(NSTableColumn *)tableColumn {
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             NSTableColumn *oldTableColumn = [ov highlightedTableColumn];
             NSTableColumn *newTableColumn = ([NSEvent modifierFlags] & NSEventModifierFlagCommand) ? nil : tableColumn;
             NSMutableArray *sortDescriptors = nil;
             BOOL ascending = YES;
             if ([oldTableColumn isEqual:newTableColumn]) {
                 sortDescriptors = [[[rightSideController.noteArrayController sortDescriptors] mutableCopy] autorelease];
                 [sortDescriptors replaceObjectAtIndex:0 withObject:[[sortDescriptors firstObject] reversedSortDescriptor]];
                 ascending = [[sortDescriptors firstObject] ascending];
             } else {
                 NSString *tcID = [newTableColumn identifier];
                 NSSortDescriptor *pageIndexSortDescriptor = [[[NSSortDescriptor alloc] initWithKey:SKNPDFAnnotationPageIndexKey ascending:ascending] autorelease];
                 NSSortDescriptor *boundsSortDescriptor = [[[NSSortDescriptor alloc] initWithKey:SKPDFAnnotationBoundsOrderKey ascending:ascending selector:@selector(compare:)] autorelease];
                 sortDescriptors = [NSMutableArray arrayWithObjects:pageIndexSortDescriptor, boundsSortDescriptor, nil];
                 if ([tcID isEqualToString:TYPE_COLUMNID]) {
                     [sortDescriptors insertObject:[[[NSSortDescriptor alloc] initWithKey:SKNPDFAnnotationTypeKey ascending:YES selector:@selector(noteTypeCompare:)] autorelease] atIndex:0];
                 } else if ([tcID isEqualToString:COLOR_COLUMNID]) {
                     [sortDescriptors insertObject:[[[NSSortDescriptor alloc] initWithKey:SKNPDFAnnotationColorKey ascending:YES selector:@selector(colorCompare:)] autorelease] atIndex:0];
                 } else if ([tcID isEqualToString:NOTE_COLUMNID]) {
                     [sortDescriptors insertObject:[[[NSSortDescriptor alloc] initWithKey:SKNPDFAnnotationStringKey ascending:YES selector:@selector(localizedCaseInsensitiveNumericCompare:)] autorelease] atIndex:0];
                 } else if ([tcID isEqualToString:AUTHOR_COLUMNID]) {
                     [sortDescriptors insertObject:[[[NSSortDescriptor alloc] initWithKey:SKNPDFAnnotationUserNameKey ascending:YES selector:@selector(localizedCaseInsensitiveNumericCompare:)] autorelease] atIndex:0];
                 } else if ([tcID isEqualToString:DATE_COLUMNID]) {
                     [sortDescriptors insertObject:[[[NSSortDescriptor alloc] initWithKey:SKNPDFAnnotationModificationDateKey ascending:YES] autorelease] atIndex:0];
                 }
                 if (oldTableColumn)
                     [ov setIndicatorImage:nil inTableColumn:oldTableColumn];
                 [ov setHighlightedTableColumn:newTableColumn];
             }
             [rightSideController.noteArrayController setSortDescriptors:sortDescriptors];
             if (newTableColumn)
                 [ov setIndicatorImage:[NSImage imageNamed:ascending ? @"NSAscendingSortIndicator" : @"NSDescendingSortIndicator"]
                         inTableColumn:newTableColumn];
             [ov reloadData];
         }
     }

     - (void)outlineViewSelectionDidChange:(NSNotification *)notification{
         // Get the destination associated with the search result list. Tell the PDFView to go there.
         if ([[notification object] isEqual:leftSideController.tocOutlineView] && (mwcFlags.updatingOutlineSelection == 0)){
             mwcFlags.updatingOutlineSelection = 1;
             [self goToSelectedOutlineItem:nil];
             mwcFlags.updatingOutlineSelection = 0;
             if ([self interactionMode] == SKPresentationMode && [[NSUserDefaults standardUserDefaults] boolForKey:SKAutoHidePresentationContentsKey])
                 [self hideLeftSideWindow];
         }
     }

     - (NSString *)outlineView:(NSOutlineView *)ov toolTipForCell:(NSCell *)cell rect:(NSRectPointer)rect tableColumn:(NSTableColumn *)tableColumn item:(id)item mouseLocation:(NSPoint)mouseLocation {
         if ([ov isEqual:rightSideController.noteOutlineView] &&
             (tableColumn == nil || [[tableColumn identifier] isEqualToString:NOTE_COLUMNID])) {
             return [item string];
         }
         return @"";
     }

     - (void)outlineViewItemDidExpand:(NSNotification *)notification{
         if ([[notification object] isEqual:leftSideController.tocOutlineView]) {
             [self updateOutlineSelection];
         }
     }

     - (void)outlineViewItemDidCollapse:(NSNotification *)notification{
         if ([[notification object] isEqual:leftSideController.tocOutlineView]) {
             [self updateOutlineSelection];
         }
     }

     - (void)outlineViewColumnDidResize:(NSNotification *)notification{
         if (mwcFlags.autoResizeNoteRows &&
             [[notification object] isEqual:rightSideController.noteOutlineView] &&
             [[[[notification userInfo] objectForKey:@"NSTableColumn"] identifier] isEqualToString:NOTE_COLUMNID] &&
             [(SKScrollView *)[[notification object] enclosingScrollView] isResizingSubviews] == NO) {
             [rowHeights removeAllFloats];
             [rightSideController.noteOutlineView noteHeightOfRowsWithIndexesChanged:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, [rightSideController.noteOutlineView numberOfRows])]];
         }
     }

     - (void)outlineView:(NSOutlineView *)ov didChangeHiddenOfTableColumn:(NSTableColumn *)tableColumn {
         if (mwcFlags.autoResizeNoteRows &&
             [ov isEqual:rightSideController.noteOutlineView] &&
             [[tableColumn identifier] isEqualToString:NOTE_COLUMNID]) {
             [rowHeights removeAllFloats];
             [rightSideController.noteOutlineView noteHeightOfRowsWithIndexesChanged:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, [rightSideController.noteOutlineView numberOfRows])]];
         }
     }

     - (CGFloat)outlineView:(NSOutlineView *)ov heightOfRowByItem:(id)item {
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             CGFloat rowHeight = [rowHeights floatForKey:item];
             if (rowHeight <= 0.0) {
                 if (mwcFlags.autoResizeNoteRows) {
                     NSTableColumn *tableColumn = [ov tableColumnWithIdentifier:NOTE_COLUMNID];
                     id cell = [tableColumn dataCell];
                     [cell setObjectValue:[item objectValue]];
                     if ([(PDFAnnotation *)item type] == nil) {
                         rowHeight = [cell cellSizeForBounds:NSMakeRect(0.0, 0.0, fmax(10.0, NSWidth([ov frame]) - COLUMN_INDENTATION - [ov indentationPerLevel]), CGFLOAT_MAX)].height;
                     } else if ([tableColumn isHidden] == NO) {
                         rowHeight = [cell cellSizeForBounds:NSMakeRect(0.0, 0.0, [tableColumn width] - COLUMN_INDENTATION, CGFLOAT_MAX)].height;
                     }
                     rowHeight = fmax(rowHeight, [ov rowHeight]) + EXTRA_ROW_HEIGHT;
                     [rowHeights setFloat:rowHeight forKey:item];
                 } else {
                     rowHeight = [(PDFAnnotation *)item type] ? [ov rowHeight] + EXTRA_ROW_HEIGHT : ([[(SKNoteText *)item note] isNote] ? DEFAULT_TEXT_ROW_HEIGHT : DEFAULT_MARKUP_ROW_HEIGHT);
                 }
             }
             if (@available(macOS 10.13, *)) {
                 
             } else {
                 rowHeight = 75.0;
             }
             return rowHeight;
         } else if ([ov isEqual:leftSideController.tocOutlineView]){
             CGFloat rowHeight = [rowHeights floatForKey:item];
             if (rowHeight <= 0.0) {
                 PDFOutline *ol = item;
                 NSMutableAttributedString *attributedString = [[[NSMutableAttributedString alloc]init] autorelease];
                 NSString *roughString = [[ol label] stringByCollapsingWhitespaceAndNewlinesAndRemovingSurroundingWhitespaceAndNewlines]? : @"";
                 NSDictionary *dictAttr1 = @{NSForegroundColorAttributeName:[KMAppearance KMColor_Layout_H0]};
                 NSAttributedString *attr1 = [[NSAttributedString alloc]initWithString:roughString attributes:dictAttr1];
                 [attributedString appendAttributedString:attr1];
                 NSTableColumn *tableColumn = [ov tableColumnWithIdentifier:LABEL_COLUMNID];
                 id cell = [tableColumn dataCell];
                 [cell setObjectValue:attributedString];
                 
                 CGFloat w = leftSideController.view.frame.size.width - 86;//[tableColumn width] > 260 ? [tableColumn width] : 260;
                 
                 NSInteger num = [self getNum:ol];
                 CGFloat gap = [ov indentationPerLevel];
                 rowHeight = [cell cellSizeForBounds:NSMakeRect(0.0, 0.0, w - (num > 0?16:0) - gap*num, CGFLOAT_MAX)].height;
                 rowHeight = fmax(rowHeight, [ov rowHeight]) + 25;
                 [rowHeights setFloat:rowHeight forKey:item];
             }
             if (@available(macOS 10.13, *)) {

             } else {
                 rowHeight = 40.0;
             }
             return rowHeight < 40 ?40.0:rowHeight;//60.0;
         }
         return [ov rowHeight];
     }

     - (void)updateSelectRowHeight{
         CGFloat rowHeight = 0;
         PDFOutline *outline = [leftSideController.tocOutlineView itemAtRow:leftSideController.tocOutlineView.selectedRow];
         if (!outline){
             return;
         }
         NSMutableAttributedString *attributedString = [[[NSMutableAttributedString alloc]init] autorelease];
         NSDictionary *dictAttr1 = @{NSForegroundColorAttributeName:[KMAppearance KMColor_Layout_H0]};
         NSAttributedString *attr1 = [[NSAttributedString alloc]initWithString:outline.label attributes:dictAttr1];
         [attributedString appendAttributedString:attr1];
         
         NSInteger *row = [leftSideController.tocOutlineView selectedRow];
         NSTableCellView *viewS = [leftSideController.tocOutlineView viewAtColumn:0 row:row  makeIfNecessary:YES];
         NSTableColumn *tableColumn = [leftSideController.tocOutlineView tableColumnWithIdentifier:LABEL_COLUMNID];
     //    id cell = [tableColumn dataCell];
         id cell = [tableColumn dataCellForRow:row];
         [cell setObjectValue:attributedString];
         CGFloat w = leftSideController.view.frame.size.width - 86;//[tableColumn width] > 260 ? [tableColumn width] : 260;
         
         NSInteger num = [self getNum:outline];
         CGFloat gap = [leftSideController.tocOutlineView indentationPerLevel];
         rowHeight = [cell cellSizeForBounds:NSMakeRect(0.0, 0.0, w - (num > 0?16:0) - gap*num, CGFLOAT_MAX)].height;
         rowHeight = fmax(rowHeight, [leftSideController.tocOutlineView rowHeight]) + 25;
         [rowHeights setFloat:rowHeight forKey:outline];
         
         if (@available(macOS 10.13, *)) {
             
         } else {
             rowHeight = 40.0;
         }
         CGRect fram = viewS.frame;
         viewS.frame = CGRectMake(fram.origin.x, fram.origin.y, fram.size.width, rowHeight);
         [leftSideController.tocOutlineView reloadData];
     }

     - (NSInteger)getNum:(PDFOutline *)ol{
         NSInteger num = 0;
         PDFOutline *outLine = [ol parent];
         do {
             outLine = [outLine parent];
             if (outLine){
                 num ++;
             }
         } while (outLine);
         return num;
     }

     - (void)sizeOutlineViewToContents:(NSOutlineView*) outlineView;
     {
         NSInteger rowCount = [outlineView numberOfRows];
         for (NSInteger i = 0; i < rowCount; i++){
             CGFloat rowHeight = 0;
             PDFOutline *outline = [leftSideController.tocOutlineView itemAtRow:i];
             if (!outline){
                 continue;
             }
             NSMutableAttributedString *attributedString = [[[NSMutableAttributedString alloc]init] autorelease];
             NSDictionary *dictAttr1 = @{NSForegroundColorAttributeName:[KMAppearance KMColor_Layout_H0]};
             NSAttributedString *attr1 = [[NSAttributedString alloc]initWithString:outline.label attributes:dictAttr1];
             [attributedString appendAttributedString:attr1];
             
     //        NSTableCellView *viewS = [leftSideController.tocOutlineView viewAtColumn:0 row:i  makeIfNecessary:YES];
             NSTableColumn *tableColumn = [leftSideController.tocOutlineView tableColumnWithIdentifier:LABEL_COLUMNID];
             //    id cell = [tableColumn dataCell];
             id cell = [tableColumn dataCellForRow:i];
             [cell setObjectValue:attributedString];
             CGFloat w = leftSideController.view.frame.size.width - 86;//[tableColumn width] > 260 ? [tableColumn width] : 260;
             
             NSInteger num = [self getNum:outline];
             CGFloat gap = [leftSideController.tocOutlineView indentationPerLevel];
             rowHeight = [cell cellSizeForBounds:NSMakeRect(0.0, 0.0, w - (num > 0?16:0) - gap*num, CGFLOAT_MAX)].height;
             rowHeight = fmax(rowHeight, [leftSideController.tocOutlineView rowHeight]) + 25;
             [rowHeights setFloat:rowHeight forKey:outline];
             
             if (@available(macOS 10.13, *)) {
                 
             } else {
                 rowHeight = 40.0;
             }
     //        CGRect fram = viewS.frame;
     //        viewS.frame = CGRectMake(fram.origin.x, fram.origin.y, fram.size.width, rowHeight);
         }
         [leftSideController.tocOutlineView reloadData];
     }

     - (BOOL)outlineView:(NSOutlineView *)ov canResizeRowByItem:(id)item {
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             return YES;
         }
         return NO;
     }

     - (void)outlineView:(NSOutlineView *)ov setHeight:(CGFloat)newHeight ofRowByItem:(id)item {
         [rowHeights setFloat:newHeight forKey:item];
     }

     - (NSArray *)noteItems:(NSArray *)items {
         NSMutableArray *noteItems = [NSMutableArray array];
         
         for (PDFAnnotation *item in items) {
             if ([item type] == nil) {
                 item = [(SKNoteText *)item note];
             }
             if ([noteItems containsObject:item] == NO)
                 [noteItems addObject:item];
         }
         return noteItems;
     }

     - (void)outlineView:(NSOutlineView *)ov deleteItems:(NSArray *)items  {
         if ([ov isEqual:rightSideController.noteOutlineView] && [items count]) {
             for (PDFAnnotation *item in [self noteItems:items])
                 [pdfView removeAnnotation:item];
             [[[self document] undoManager] setActionName:NSLocalizedString(@"Remove Note", @"Undo action name")];
         } else if ([ov isEqual:leftSideController.tocOutlineView]) {
             [self outlineContextMenuItemClicked_RemoveEntry:nil];
         }
     }

     - (BOOL)outlineView:(NSOutlineView *)ov canDeleteItems:(NSArray *)items  {
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             return [[self pdfDocument] allowsNotes] && [items count] > 0;
         } else if ([ov isEqual:leftSideController.tocOutlineView]) {
             return [items count] > 0;
         }
         return NO;
     }

     - (void)outlineView:(NSOutlineView *)ov copyItems:(NSArray *)items  {
         if ([ov isEqual:rightSideController.noteOutlineView] && [items count]) {
             NSPasteboard *pboard = [NSPasteboard generalPasteboard];
             NSMutableArray *copiedItems = [NSMutableArray array];
             NSMutableAttributedString *attrString = [[[NSMutableAttributedString alloc] init] autorelease];
             BOOL isAttributed = NO;
             id item;
             
             for (item in [self noteItems:items]) {
                 if ([item isMovable])
                     [copiedItems addObject:item];
             }
             for (item in items) {
                 if ([attrString length])
                     [attrString replaceCharactersInRange:NSMakeRange([attrString length], 0) withString:@"\n\n"];
                 if ([(PDFAnnotation *)item type] == nil && [[(SKNoteText *)item note] isNote]) {
                     [attrString appendAttributedString:[(SKNoteText *)item text]];
                     isAttributed = YES;
                 } else {
                     [attrString replaceCharactersInRange:NSMakeRange([attrString length], 0) withString:[item string] ?: @""];
                 }
             }
             
             [pboard clearContents];
             if (isAttributed)
                 [pboard writeObjects:[NSArray arrayWithObjects:attrString, nil]];
             else
                 [pboard writeObjects:[NSArray arrayWithObjects:[attrString string], nil]];
             if ([copiedItems count] > 0)
                 [pboard writeObjects:copiedItems];
         }
     }

     - (BOOL)outlineView:(NSOutlineView *)ov canCopyItems:(NSArray *)items  {
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             if ([items count] == 1) {
                 PDFAnnotation *annotation = [[self noteItems:items] lastObject];
                 if ([annotation isKindOfClass:[PDFAnnotationStamp class]] ||
                     [annotation isKindOfClass:[PDFAnnotationLink class]]) {
                     return NO;
                 }
             }
             return [items count] > 0;
         }
         return NO;
     }

     - (NSUInteger)outlineView:(NSOutlineView *)ov highlightLevelForRow:(NSInteger)row {
         if ([ov isEqual:leftSideController.tocOutlineView]) {
             NSInteger numRows = [ov numberOfRows];
             NSUInteger firstPage = [[[ov itemAtRow:row] page] pageIndex];
             NSUInteger lastPage = row + 1 < numRows ? [[[ov itemAtRow:row + 1] page] pageIndex] : [[self pdfDocument] pageCount];
             NSRange range = NSMakeRange(firstPage, MAX(1LU, lastPage - firstPage));
             NSUInteger i, iMax = [lastViewedPages count];
             for (i = 0; i < iMax; i++) {
                 if (NSLocationInRange((NSUInteger)[lastViewedPages pointerAtIndex:i], range))
                     return i;
             }
         }
         return NSNotFound;
     }

     - (id <SKImageToolTipContext>)outlineView:(NSOutlineView *)ov imageContextForItem:(id)item {
         if ([ov isEqual:leftSideController.tocOutlineView])
             return [item destination];
         return nil;
     }

     - (void)outlineViewCommandKeyPressedDuringNavigation:(NSOutlineView *)ov {
         PDFAnnotation *annotation = [[self selectedNotes] lastObject];
         if (annotation) {
             [pdfView scrollAnnotationToVisible:annotation];
             [pdfView setActiveAnnotation:annotation];
         }
     }

     - (NSArray *)outlineView:(NSOutlineView *)ov typeSelectHelperSelectionStrings:(SKTypeSelectHelper *)typeSelectHelper {
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             NSInteger i, count = [rightSideController.noteOutlineView numberOfRows];
             NSMutableArray *texts = [NSMutableArray arrayWithCapacity:count];
             for (i = 0; i < count; i++) {
                 id item = [rightSideController.noteOutlineView itemAtRow:i];
                 NSString *string = [item string];
                 [texts addObject:string ?: @""];
             }
             return texts;
         } else if ([ov isEqual:leftSideController.tocOutlineView]) {
             NSInteger i, count = [leftSideController.tocOutlineView numberOfRows];
             NSMutableArray *array = [NSMutableArray arrayWithCapacity:count];
             for (i = 0; i < count; i++)
                 [array addObject:[[(PDFOutline *)[leftSideController.tocOutlineView itemAtRow:i] label] lossyStringUsingEncoding:NSASCIIStringEncoding]];
             return array;
         }
         return nil;
     }

     - (void)outlineView:(NSOutlineView *)ov typeSelectHelper:(SKTypeSelectHelper *)typeSelectHelper didFailToFindMatchForSearchString:(NSString *)searchString {
         if ([ov isEqual:rightSideController.noteOutlineView]) {
             [statusBar setRightStringValue:[NSString stringWithFormat:NSLocalizedString(@"No match: \"%@\"", @"Status message"), searchString]];
         } else if ([ov isEqual:leftSideController.tocOutlineView]) {
             [statusBar setLeftStringValue:[NSString stringWithFormat:NSLocalizedString(@"No match: \"%@\"", @"Status message"), searchString]];
         }
     }

     - (void)outlineView:(NSOutlineView *)ov typeSelectHelper:(SKTypeSelectHelper *)typeSelectHelper updateSearchString:(NSString *)searchString {
         if ([typeSelectHelper isEqual:[leftSideController.thumbnailTableView typeSelectHelper]] || [typeSelectHelper isEqual:[pdfView typeSelectHelper]]) {
             if (searchString)
                 [statusBar setLeftStringValue:[NSString stringWithFormat:NSLocalizedString(@"Go to page: %@", @"Status message"), searchString]];
             else
                 [self updateLeftStatus];
         } else if ([typeSelectHelper isEqual:[rightSideController.noteOutlineView typeSelectHelper]]) {
             if (searchString)
                 [statusBar setRightStringValue:[NSString stringWithFormat:NSLocalizedString(@"Finding note: \"%@\"", @"Status message"), searchString]];
             else
                 [self updateRightStatus];
         } else if ([typeSelectHelper isEqual:[leftSideController.tocOutlineView typeSelectHelper]]) {
             if (searchString)
                 [statusBar setLeftStringValue:[NSString stringWithFormat:NSLocalizedString(@"Finding: \"%@\"", @"Status message"), searchString]];
             else
                 [self updateLeftStatus];
         }
     }

     */
}