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

import Cocoa

enum KMLeftSidePaneState: Int {
    case thumbnail = 1
    case outline
    case noteList
    case snapshotList
    case find
}

enum KMFindPaneState: Int {
    case singular = 1
    case grouped
}

@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 {
//    var listView : CPDFListView!
//    @IBOutlet weak var leftTableview: NSTableView!
//    @IBOutlet weak var contentBox: NSBox!
//    @IBOutlet weak var leftBox: NSBox!
    
    lazy var outlineViewController : KMOutlineViewController = {
        let outlineViewController = KMOutlineViewController()
        return outlineViewController
    }()
    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 fromViewController : KMFromViewController = {
        let fromViewController = KMFromViewController()
        return fromViewController
    }()
    lazy var searchViewController : KMSearchViewController = {
        let searchViewController = KMSearchViewController()
        return searchViewController
    }()
    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?
    
    //select page
    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)
//        self.resetThumbnails()
    }
    
    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 {
//            self.outlineViewController.listView = self.listView
////            self.contentBox.contentView = self.outlineViewController.view
//        }
//            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
//        case .From: do {
//            self.fromViewController.listView = self.listView
////            self.contentBox.contentView = self.fromViewController.view
//            self.fromViewController.reloadData()
//        }
//            break
//        case .Search: do {
//            self.searchViewController.listView = self.listView
//            self.searchViewController.delegate = self
////            self.contentBox.contentView = self.searchViewController.view
////            self.searchViewController.reloadData()
//        }
//            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,
     };

     @class SKTocOutlineView, SKThumbnailTableView, SKTableView;
     @interface SKLeftSideViewController : SKSideViewController {
         SKTocOutlineView *tocOutlineView;
         
         NSArrayController *thumbnailArrayController;
         
         NSArrayController *findArrayController;
         
         NSArrayController *groupedFindArrayController;
         SKTableView *groupedFindTableView;
     }

     @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;
//    @property (nonatomic, retain) IBOutlet SKTocOutlineView *tocOutlineView;
//    @property (nonatomic, retain) IBOutlet  *;
//    @property (nonatomic, retain) IBOutlet  *;
//    @property (nonatomic, retain) IBOutlet SKTableView *groupedFindTableView;
    
    @IBOutlet var segmentedControl: KMSegmentedControl!
    
    @IBOutlet var findTableView: KMBotaTableView!
    @IBOutlet var thumbnailTableView: KMThumbnailTableView!
    
    @IBOutlet weak var leftListView: NSView!
    
//    @IBOutlet var searchViewController: KMSearchViewController!
    @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
    
    private let MIN_SIDE_PANE_WIDTH: CGFloat = 270
    
    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
        
//        tocOutlineView.backgroundColor = [KMAppearance KMColor_Layout_L0];
        self.findTableView.backgroundColor = KMAppearance.KMColor_Layout_L0()
//        groupedFindTableView.backgroundColor = [KMAppearance KMColor_Layout_L0];
        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.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;
         
        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.KMColor_Interactive_A0().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.KMColor_Else_Text_Tag().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.KMColor_Layout_H1()
        
//        _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.
//        searchViewController.contentView = findTableView.enclosingScrollView;
//        self.searchField = searchViewController.searchField;
            
//        [searchViewController.segmentedControl setSegmentCount:2 withWidth:25];
//        [searchViewController.segmentedControl setImage:[NSImage imageNamed:KMImageNameUXIconBtnSidebarListNor] forSegment:0];
//        [searchViewController.segmentedControl setImage:[NSImage imageNamed:KMImageNameUXIconBtnSidebarPageNor] forSegment:1];
//        [searchViewController.segmentedControl setToolTip:NSLocalizedString(@"Separate search results", nil) forSegment:0];
//        [searchViewController.segmentedControl setToolTip:NSLocalizedString(@"Group search results by page", nil) forSegment:1];
//        [searchViewController.segmentedControl setIsBackgroundHighlighted:YES];
//        [searchViewController.segmentedControl setSelectedSegment: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
            } else if (segIndex == 2) {
                self.toolButtonBox.contentView = self.noteView
            } else if (segIndex == 3) {
                self.toolButtonBox.contentView = self.snapshotNormalView
            } else if (segIndex == 4) {
                self.toolButtonBox.isHidden = true
                self.toolButtonBoxLayoutConstraint.constant = 0
            }
        }
        
//        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];
        
//        [tocOutlineView setAutoresizesOutlineColumn: NO];
//        [tocOutlineView setAllowsMultipleSelection:YES];
//        [tocOutlineView setAllowsEmptySelection:YES];
//
//        [tocOutlineView setDelegate:mainController];
//        [tocOutlineView setDataSource:mainController];
        self.thumbnailTableView.delegate = self
        self.thumbnailTableView.dataSource = self
        self.thumbnailTableView.allowsMultipleSelection = true
        self.findTableView.delegate = self
//    //    [groupedFindTableView setDelegate:mainController];
//        [groupedFindTableView setDataSource:mainController];
//        [[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];
    }
    
    /*
     @implementation SKLeftSideViewController

     @synthesize tocOutlineView, thumbnailArrayController, thumbnailTableView, findArrayController, findTableView, groupedFindArrayController, groupedFindTableView;

     @synthesize segmentedControl, searchViewController;

     - (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)displayFind {
         self.searchField = searchViewController.searchField;
         
         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];
         [[searchViewController.searchField cell] setSearchMenuTemplate:menu];
         [[searchViewController.searchField cell] setPlaceholderString:NSLocalizedString(@"Search PDF", @"placeholder")];
         [searchViewController.searchField setAction:@selector(search:)];
         [searchViewController.searchField setTarget:mainController];

         if (mainController.findPaneState == SKFindPaneStateSingular) {
             searchViewController.contentView = findTableView.enclosingScrollView;
         } else if (mainController.findPaneState == SKFindPaneStateGrouped) {
             searchViewController.contentView = groupedFindTableView.enclosingScrollView;
         }
     }

     - (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()
        }
    }
    /*
     
     
     */
}

extension KMLeftSideViewController : KMSearchViewControllerDelegate {
//    func searchAction(searchString: String,isCase:Bool) {
//        self.delegate?.searchAction?(searchString: searchString, isCase: isCase)
//    }
//
//    func searchDoneAction(viewController: KMSearchViewController) {
//        self.type = KMLeftMethodMode()
//        self.updateViewButtonState()
//        self.delegate?.controlStateChange?(self,show:false)
////        self.leftTableview.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()
        self.outlineViewController.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)
//            groupedFindTableView.backgroundColor = NSColor(red: 0.149, green: 0.157, blue: 0.169, alpha: 1)
//            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)
//            groupedFindTableView.backgroundColor = NSColor(red: 0.988, green: 0.992, blue: 1.000, alpha: 1)
//            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)
        }
    }
    /*
     */
}

// MARK: - KMThumbnailTableViewDelegate, NSTableViewDataSource

extension KMLeftSideViewController: NSTableViewDelegate, NSTableViewDataSource {
    func numberOfRows(in tableView: NSTableView) -> Int {
        if tableView.isEqual(to: self.thumbnailTableView) {
            return self.thumbnails.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)) {
//            KMFindTableviewCell *cell = [tableView makeViewWithIdentifier:@"KMFindTableviewCell" owner:self];
//            PDFSelection *selection = searchResults[row];
//            if ([tableColumn.identifier isEqualToString:@"results"]) {
//                cell.resultLabel.attributedStringValue = [selection contextString];
//                cell.resultLabel.textColor = [KMAppearance KMColor_Layout_H0];
//            } else if ([tableColumn.identifier isEqualToString:@"page"]) {
//                cell.resultLabel.stringValue = selection.pages[0].label;
//                cell.resultLabel.textColor = [KMAppearance KMColor_Layout_H2];
//            }
//            return cell;
        }
//            else if ([tableView isEqual:rightSideController.snapshotTableView]) {
//
//            KMSnapshotTableViewCell *cell = [tableView makeViewWithIdentifier:@"KMSnapshotTableViewCell" owner:self];
//            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) {
//        if ([tv isEqual:leftSideController.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 ([tv isEqual:rightSideController.snapshotTableView]) {
//            CGFloat scaling = [[NSUserDefaults standardUserDefaults] floatForKey:@"KMSnapshotSizeScalingKey"];
//    //        NSSize snapshotSize = [[[[rightSideController.snapshotArrayController arrangedObjects] objectAtIndex:row] thumbnail] size];
//            NSSize snapshotSize = CGSizeMake(120, 63);
//
//            CGFloat newScaling = scaling + 0.1;
//            CGFloat newSnapshotHeight = snapshotSize.width * newScaling;
//            if (newSnapshotHeight > MIN_SIDE_PANE_WIDTH) {
//                leftSideController.snapshotNormalZoomInButton.enabled = NO;
//            } else {
//                leftSideController.snapshotNormalZoomInButton.enabled = YES;
//            }
//            if ((scaling - 0.1) < 0.3 || (newSnapshotHeight < 150.0)) {
//                leftSideController.snapshotNormalZoomOutButton.enabled = NO;
//            } else {
//                leftSideController.snapshotNormalZoomOutButton.enabled = YES;
//            }
//
//            CGFloat cellHeight = snapshotSize.height + 24.0;
//            NSSize thumbSize;
//            if (scaling && scaling > 0) {
//                thumbSize = NSMakeSize(snapshotSize.width * scaling, cellHeight * scaling);
//            } 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)) {
//        if ([tableView isEqual:leftSideController.findTableView] || [tableView isEqual:leftSideController.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;
     }

     */
}