PDF_Office/PDF Office/PDF Master/Class/PDFWindowController/Toolbar/KMToolbarController.swift

//
//  KMToolbarController.swift
//  PDF Master
//
//  Created by wanjun on 2022/12/29.
//

import Cocoa

@objc protocol KMToolbarControllerDelegate {
    @objc optional func toolbarController(_ viewController: KMToolbarController, heightOffsetChange heightOffset: Float)
    @objc optional func changeAnnotationModeAction(item:KMToolbarClickButton)
    @objc optional func showPDFLayoutModeAction(show:Bool)
    @objc optional func clickChildTool(type: KMToolbarType, index: Int)
    @objc optional func changePDFViewZoomModelAction(selectedTag:Int)
    @objc optional func changePDFViewZoomInAction()
    @objc optional func changePDFViewZoomOutAction()
    @objc optional func changePDFViewGotoNextPageAction()
    @objc optional func changePDFViewGoToPreviousPageAction()
    @objc optional func showPDFViewPrintViewController()
    @objc optional func toolbarViewController(_ viewController:KMToolbarViewController, zoomModel selectedTag:Int)
    @objc optional func toolbarViewController(_ viewController:KMToolbarViewController, zoomSting : String)
    @objc optional func mainToolDidClicked(_ toolController: KMToolbarController, _ type: KMToolbarViewType, _ item: KMToolBoxItem, _ pages: [Int])
    @objc optional func toolbarViewController(_ viewController:KMToolbarViewController, shareDocument item:NSMenuItem)
    @objc optional func toolbarViewController(_ viewController:KMToolbarViewController, shareFlatten item:NSMenuItem)
    @objc optional func toolbarViewController(_ viewController:KMToolbarViewController, shareOriginalPDF item:NSMenuItem)
    @objc optional func toolbarViewController(_ viewController:KMToolbarViewController, scanOCRModel selectedTag:Int)
    @objc optional func toolbarViewController(_ viewController:KMToolbarViewController, rightPanel toolbarItem: KMToolBoxItem)
    @objc optional func toolbarViewController(_ viewController:KMToolbarViewController, leftPanel toolbarItem: KMToolBoxItem)
}

class KMToolbarController: NSViewController {
    @IBOutlet weak var mainToolBarBox: NSBox!
    @IBOutlet weak var childToolBarBox: NSBox!
    @IBOutlet weak var secondaryToolBarBox: NSBox!
    @IBOutlet weak var mainToolBarHeight: NSLayoutConstraint!
    @IBOutlet weak var childToolBarHeight: NSLayoutConstraint!
    @IBOutlet weak var secondaryToolBarHeight: NSLayoutConstraint!
    @IBOutlet weak var bottomOffset: NSLayoutConstraint!
    var mainToolBarView: KMToolbarViewController?
    var childToolBarView: KMToolbarViewController?
    var _toolbarType : KMToolbarViewType = KMToolbarViewType.None
    var mainViewController: KMMainViewController?
    open weak var delegate: KMToolbarControllerDelegate?
    var toolbarItems : [NSToolbarItem.Identifier : Any] = [:]
    var listView : CPDFListView?
    var lastItemBox : KMToolBoxItem = KMToolBoxItem()
    
    var popover: NSPopover?
    
    // 是否显示所有注释
    private var _isShowAllAnnotations = true
    // 是否显示所有注释
    var isShowAllAnnotations: Bool {
        get {
            return _isShowAllAnnotations
        }
        set {
            _isShowAllAnnotations = newValue
            
            self.childToolBarView?.isShowAllAnnotations = newValue
            
            self.findChildItem(KMToolbarShowToolbarItemIdentifier)?.isSelected = !newValue
        }
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        
        updateViewColor()
        
        mainToolBarView = KMToolbarViewController.init()
        mainToolBarView?.view.wantsLayer = true
        mainToolBarView?.view.layer?.backgroundColor = NSColor(hex: "#F7F8FA").cgColor
        mainToolBarBox.contentView = mainToolBarView?.view
        mainToolBarView?.view.frame = mainToolBarBox.frame
        mainToolBarView?.delegate = self
        mainToolBarView?.view.autoresizingMask = [.width, .height]
        mainToolBarView?.pdfView = self.listView!
        
        childToolBarView = KMToolbarViewController.init()
        childToolBarView?.view.wantsLayer = true
        childToolBarView?.view.layer?.backgroundColor = NSColor(hex: "#F7F8FA").cgColor
        childToolBarBox.contentView = childToolBarView?.view
        childToolBarView?.view.frame = childToolBarBox.frame
        childToolBarView?.delegate = self
        childToolBarView?.view.autoresizingMask = [.width, .height]
        childToolBarView?.pdfView = self.listView!
        
        toolbarType = .None
        mainToolBarView?.toolbarType = .Main
        mainToolBarView?.reloadateToolbar()
        addObserverForAppearanceChange()
        
        NotificationCenter.default.addObserver(self, selector: #selector(selectedShapAnnotationChangeNotification(_:)), name: NSNotification.Name.init(rawValue: "KMSelectedShapAnnotationChangeNotification"), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(PDFChangedNotification(_:)), name: NSNotification.Name.init(rawValue: "PDFChangedNotification"), object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(PDFTextEditPDFChangedNotification(_:)), name: NSNotification.Name.init(rawValue: "KMPDFTextEditPDFChangedNotification"), object: nil)
    }
    
    // MARK:
    
    func updateViewColor() -> Void {
        
    }
    
    // MARK: Setter&Getter
    
    var toolbarType: KMToolbarViewType {
        set {
            if newValue == _toolbarType {
                if newValue == .Move || newValue == .Magnify || newValue == .Select || newValue == .SelectZoom {
                    _toolbarType = .Annatiton
                } else {
                    _toolbarType = .None
                }
            } else {
                _toolbarType = newValue
            }
            secondaryToolBarBox.isHidden = true
            secondaryToolBarHeight.constant = 51
            if _toolbarType == .None {
                bottomOffset.constant = 0
                childToolBarBox.isHidden = true
                self.delegate?.toolbarController?(self, heightOffsetChange: 40)
            } else if _toolbarType == .Page || _toolbarType == .LeftPanel {
                bottomOffset.constant = 0
                childToolBarBox.isHidden = true
                self.delegate?.toolbarController?(self, heightOffsetChange: 40)
            } else {
                bottomOffset.constant = 41
                childToolBarBox.isHidden = false
                self.delegate?.toolbarController?(self, heightOffsetChange: 81)
            }
            childToolBarView?.toolbarType = _toolbarType
            childToolBarView?.reloadateToolbar()
        }
        get {
            return _toolbarType
        }
    }
    
    // MARK: Dark&Light
    
    func addObserverForAppearanceChange() -> Void {
        
    }
    
    // MARK: -
    // MARK: Public Methods
    
    // 取消选中 [只是取消选中状态，不会执行具体的方法]
    public func cancelSelected(_ identifier: String) {
        if (isMainToolItem(identifier)) {
            self.findMainItem(identifier)?.isSelected = false
            return
        }
        
        self.findChildItem(identifier)?.isSelected = false
    }
    
    public func clickItem(_ identifier: String) {
        self.selectItem(identifier)
    }
    
    public func selectItem(_ identifier: String) {
        if (isMainToolItem(identifier)) {
            self.selectMainItem(identifier)
            return
        }
        
        // 尝试去选子工具栏
        if (self.trySelectChildItem(identifier)) { // 当前主工具栏已开启
            return
        }
        
        // 当前主工具栏未开启
        let mainToolIdentifier = parentIdentifier(identifier)
        if (mainToolIdentifier.isEmpty) {
            return
        }
        // 找到主工具栏
        self.selectMainItem(mainToolIdentifier)
        DispatchQueue.main.async {
            // 再去选择子工具栏
            self.selectChildItem(identifier)
        }
    }
    
    // MARK: -
    // MARK: private Methods
    
    private func selectMainItem(_ identifier: String) {
        if (self.mainToolBarView?.toolbarItems == nil) {
            return
        }
        
        var item: KMToolBoxItem?
        for (key, value) in self.mainToolBarView!.toolbarItems {
            if (key == identifier) {
                item = (value as! KMToolBoxItem)
                break
            }
        }
        // 主工具栏 item
        if (item != nil) {
            if (identifier == KMDocumentAnnotationToolbarItemIdentifier ||
                identifier == KMDocumentPageToolbarItemIdentifier ||
                identifier == KMDocumentConversonToolbarItemIdentifier ||
                identifier == KMDocumentScanOCRToolbarItemIdentifier ||
                identifier == KMDocumentEditToolbarItemIdentifier ||
                identifier == KMDocumentFormToolbarItemIdentifier ||
                identifier == KMDocumentFillSginToolbarItemIdentifier ||
                identifier == KMDocumentToolToolbarItemIdentifier) {
                self.mainToolBarView?.leftControllButtonAction(item: item!.clickButton)
            } else if (identifier == KMRightControlToolbarItemIdentifier) {
                self.mainToolBarView?.rightPanelControllButtonAction(item: item!.clickButton)
            } else if (identifier == KMLeftControlToolbarItemIdentifier) {
                item?.isSelected = !item!.isSelected
                self.delegate?.toolbarViewController?(self.mainToolBarView!, leftPanel: item!)
            }
            
            return
        }
    }
    
    private func trySelectChildItem(_ identifier: String) -> Bool {
        // 子工具栏 item [当前主工具栏已开启]
        var item: KMToolBoxItem?
        if (self.childToolBarView?.toolbarItems != nil && self.childToolBarView!.toolbarItems.count > 0) {
            for (key, value) in self.childToolBarView!.toolbarItems {
                if (key == identifier) {
                    item = (value as! KMToolBoxItem)
                    break
                }
            }
            // 子工具栏[找到]
            if (item != nil) {
                self.selectChildItem(identifier)
                return true
            }
        }
        return false
    }
    
    private func selectChildItem(_ identifier: String) {
        // 子工具栏 item [当前主工具栏已开启]
        var item: KMToolBoxItem?
        if (self.childToolBarView?.toolbarItems != nil && self.childToolBarView!.toolbarItems.count > 0) {
            for (key, value) in self.childToolBarView!.toolbarItems {
                if (key == identifier) {
                    item = (value as! KMToolBoxItem)
                    break
                }
            }
            // 子工具栏[找到]
            if (item != nil) {
                if (identifier == KMToolbarMoveToolModeItemIdentifier ||
                    identifier == KMToolbarMagnifyToolModeItemIdentifier ||
                    identifier == KMToolbarSelectToolModeItemIdentifier ||
                    identifier == KMToolbarZoomToSelectionItemIdentifier) {
                    self.childToolBarView?.leftControllButtonAction(item: item!.clickButton)
                } else {
                    self.childToolBarView?.changeAnnotationMode(item: item!.clickButton)
                }
            }
        }
    }
    
    private func findMainItem(_ identifier: String) -> KMToolBoxItem? {
        if (self.mainToolBarView?.toolbarItems == nil) {
            return nil
        }
        
        var item: KMToolBoxItem?
        if (isMainToolItem(identifier)) {
            for (key, value) in self.mainToolBarView!.toolbarItems {
                if (key == identifier) {
                    item = (value as! KMToolBoxItem)
                    break
                }
            }
            return item
        }
        return nil
    }
    
    private func findChildItem(_ identifier: String) -> KMToolBoxItem? {
        if (self.childToolBarView?.toolbarItems == nil || self.childToolBarView!.toolbarItems.count == 0) {
            return nil
        }
            
        var item: KMToolBoxItem?
        for (key, value) in self.childToolBarView!.toolbarItems {
            if (key == identifier) {
                item = (value as! KMToolBoxItem)
                break
            }
        }
        return item
    }
    
    func exitPageEdit() -> Void {
        resetToolbarViewController(mainToolBarView!)
        exitPageEditToolbarViewController(mainToolBarView!)
    }
    
    func exitTextEdit() -> Void {
        secondaryToolBarBox.isHidden = true
        secondaryToolBarHeight.constant = 50
        bottomOffset.constant = 51
        childToolBarBox.isHidden = false
        self.delegate?.toolbarController?(self, heightOffsetChange: 102)
    }
    
    func enterWatermarkAdjective(_ type: KMToolbarType, _ itemTitles: Array<Array<String>>) {
        self.toolbarType = .None
        
        let topBarView = KMWatermarkAdjectiveTopBarView()
        topBarView.frame = (self.mainToolBarView?.toolbar.bounds)!
        self.mainToolBarView?.toolbar.addSubview(topBarView)
        topBarView.autoresizingMask = NSView.AutoresizingMask(rawValue: 18)
        topBarView.wantsLayer = true
        topBarView.layer?.backgroundColor = NSColor.white.cgColor
        
        topBarView.isCanApply(can: false)
        
        var itemModels: Array<Array<KMWatermarkAdjectiveTopBarItemModel>> = []
        for items in itemTitles {
            var array: Array<KMWatermarkAdjectiveTopBarItemModel> = []
            for title in items {
                let model = KMWatermarkAdjectiveTopBarItemModel()
                model.iconName = ""
                model.itemTitle = title
                array.append(model)
            }
            itemModels.append(array)
        }
        
        topBarView.initItemData(itemArrays: itemModels)
        
        topBarView.cancelClick = {
            [unowned self] in
            self.delegate?.clickChildTool!(type: type, index: 1)
        }
        
        topBarView.applyClick = {
            [unowned self] in
            self.delegate?.clickChildTool!(type: type, index: 2)
        }
        
        topBarView.itemClick = {
            [unowned self] (section: Int, item: Int) -> () in
            self.delegate?.clickChildTool!(type: type, index: 3+item)
        }
    }
    
    func exitWatermarkAdjective() {
        let topBarView = self.mainToolBarView?.toolbar.subviews.last
        if (topBarView == nil || topBarView?.isKind(of: KMWatermarkAdjectiveTopBarView.self) == false) {
            return
        }
        
        topBarView?.removeFromSuperview()
    }
    
    func fetchTopBarView() -> NSView? {
        let topBarView = self.mainToolBarView?.toolbar.subviews.last
        if (topBarView == nil) {
            return nil
        }
        if (topBarView?.isKind(of: KMWatermarkAdjectiveTopBarView.self) == true) {
            return topBarView
        }
        
        if (topBarView?.isKind(of: KMRedactTopToolBar.self) == true) {
            return topBarView
        }
        
        return nil
    }
    
    func enterRedact() {
        self.toolbarType = .None
        
        let topBarView = KMRedactTopToolBar()
        topBarView.frame = (self.mainToolBarView?.toolbar.bounds)!
        self.mainToolBarView?.toolbar.addSubview(topBarView)
        topBarView.autoresizingMask = NSView.AutoresizingMask(rawValue: 18)
        topBarView.wantsLayer = true
        topBarView.layer?.backgroundColor = NSColor.white.cgColor
        
        topBarView.selectItem(0)
        self.delegate?.clickChildTool!(type: .redact, index: 4)
        
        topBarView.itemClick = { [weak self] index in
            self!.delegate?.clickChildTool!(type: .redact, index: index)
        }
    }
    
    func exitRedact() {
        let topBarView = self.mainToolBarView?.toolbar.subviews.last
        if (topBarView == nil || topBarView?.isKind(of: KMRedactTopToolBar.self) == false) {
            return
        }
        
        topBarView?.removeFromSuperview()
    }
    
    // MARK: NSNotification
    
    @objc func selectedShapAnnotationChangeNotification(_ notification: Notification) -> Void {
        
    }
    
    @objc func PDFChangedNotification(_ notification: Notification) -> Void {
        
    }
    
    @objc func PDFTextEditPDFChangedNotification(_ notification: Notification) -> Void {
        
    }
    
    // MARK:
    
    func resetToolbarViewController(_ toolbarViewController: KMToolbarViewController) -> Void {
        self.toolbarType = .None
        self.mainToolBarView?.resetToolbar()
        self.mainViewController?.listView.annotationType = .unkown
    }
    
    func exitPageEditToolbarViewController(_ toolbarViewController: KMToolbarViewController) -> Void {
        
    }
    
    // MARK: item actions
    
    @objc func cropItemAction(sender: NSMenuItem) {
        if (sender.tag == 0) { /// 裁剪当前页面
            self.delegate?.clickChildTool!(type: .crop, index: 1)
            return
        }
        
        if (sender.tag == 1) { /// 裁剪所有页面
            self.delegate?.clickChildTool!(type: .crop, index: 2)
            return
        }
        
        /// 自定义裁剪区域
        self.delegate?.clickChildTool!(type: .crop, index: 3)
    }
    
    @objc func secureItemAction(sender: NSMenuItem) {
        var index: Int = 1
        if (sender.tag == 1) { /// 删除安全性设置
            index = 2
        }
        
        self.delegate?.clickChildTool?(type: .secure, index: index)
    }
}

extension KMToolbarController: KMToolbarViewControllerDelegate {
    func changeAnnotationModeAction(item: KMToolbarClickButton) {
        Task { @MainActor in
            let type = CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown
            if (type == .link || type == .stamp || type == .signSignature) {
                if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                    let _ = KMComparativeTableViewController.show(window: self.view.window!)
                    return
                }
            }
            if (type == .signText || type == .signTure || type == .signFalse || type == .signCircle || type == .signLine || type == .signDot || type == .signDate) {
                if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                    let _ = KMComparativeTableViewController.show(window: self.view.window!)
                    return
                }
            }
            
            if self.toolbarType == .Magnify || self.toolbarType == .Move || self.toolbarType == .Select || self.toolbarType == .SelectZoom  {
                self.toolbarType = .Annatiton
            }
            self.delegate?.changeAnnotationModeAction?(item: item)
        }
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, clickMode toolMode: KMToolbarViewType, toolbar toolbarItem: KMToolBoxItem, _ pages: [Int]) {
        if self.lastItemBox != nil {
            if (toolbarItem.isSelected && toolMode.isToolMode()) {
                // no nothings
            } else {
                self.lastItemBox.isSelected = false
            }
        }
        if toolMode != .Magnify && toolMode != .Move && toolMode != .Select && toolMode != .SelectZoom && toolMode != .LeftPanel && toolMode != .RightPanel {
            if(toolMode == self.toolbarType) {
                toolbarItem.isSelected = false
            } else {
                toolbarItem.isSelected = true
                self.lastItemBox = toolbarItem
            }
        } else {
            if(toolMode != self.toolbarType && toolMode != .LeftPanel) {
                let item : KMToolBoxItem = (self.mainToolBarView?.toolbarItemFindItemIdentifiers(value: KMDocumentAnnotationToolbarItemIdentifier))!
                item.isSelected = true
                self.lastItemBox = item
            } else if (toolMode == .LeftPanel) {
                if(toolMode == self.toolbarType) {
                    toolbarItem.isSelected = false
                } else {
                    toolbarItem.isSelected = true
                }
            }
        }
        self.toolbarType = toolMode
        
        self.delegate?.mainToolDidClicked?(self, toolMode, toolbarItem, pages)
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, rightPanel toolbarItem: KMToolBoxItem) {
        toolbarItem.isSelected = !toolbarItem.isSelected
        
        self.delegate?.toolbarViewController?(viewController, rightPanel: toolbarItem)
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, leftPanel toolbarItem: KMToolBoxItem) {
        toolbarItem.isSelected = !toolbarItem.isSelected
        
        self.delegate?.toolbarViewController?(viewController, leftPanel: toolbarItem)
    }
    
    func showPDFLayoutModeAction(show: Bool) {
        self.delegate?.showPDFLayoutModeAction?(show: show)
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, clickChaildToolType: KMToolbarType, toolbar toolbarItem: KMToolBoxItem) {
        if (clickChaildToolType == .crop) {
            let titles = [NSLocalizedString("Crop Current Page - White Margins", comment: ""), NSLocalizedString("Crop All Pages - Auto", comment: "")]
            let vc: KMHomePopViewController = KMHomePopViewController().initWithPopViewDataArr(titles)
            let createFilePopover: NSPopover = NSPopover.init()
            createFilePopover.contentViewController = vc
            createFilePopover.animates = true
            createFilePopover.behavior = .transient
            createFilePopover.setValue(true, forKey: "shouldHideAnchor")
            createFilePopover.show(relativeTo: NSZeroRect, of: toolbarItem, preferredEdge: .maxY)
            self.popover = createFilePopover
            
            vc.downCallback = { [weak self] (downEntered: Bool, count: String) -> Void in
                self?.popover?.close()
                self?.popover = nil
                
                if downEntered {
                    if (count == titles.first) {
                        self!.delegate?.clickChildTool?(type: .crop, index: 1)
                    } else {
                        self!.delegate?.clickChildTool?(type: .crop, index: 2)
                    }
                }
            }
        } else if (clickChaildToolType == .bates || clickChaildToolType == .headerAndFooter || clickChaildToolType == .background || clickChaildToolType == .watermark) {
            toolbarItem.isSelected = false
            
            self.delegate?.clickChildTool?(type: clickChaildToolType, index: 0)
        } else if (clickChaildToolType == .redact) {
            toolbarItem.isSelected = false
            
            self.enterRedact()
        } else if (clickChaildToolType == .compress) {
            self.delegate?.clickChildTool?(type: .compress, index: 0)
        } else if (clickChaildToolType == .secure) {
//            toolbarItem.isSelected = fals

            let titles = [NSLocalizedString("Set Passwords", comment: ""), NSLocalizedString("Remove Security", comment: "")]
            let vc: KMHomePopViewController = KMHomePopViewController().initWithPopViewDataArr(titles)
            let createFilePopover: NSPopover = NSPopover.init()
            createFilePopover.contentViewController = vc
            createFilePopover.animates = true
            createFilePopover.behavior = .transient
            createFilePopover.setValue(true, forKey: "shouldHideAnchor")
            createFilePopover.show(relativeTo: CGRect(x: toolbarItem.bounds.origin.x, y: 10, width: toolbarItem.bounds.size.width, height: toolbarItem.bounds.size.height), of: toolbarItem, preferredEdge: .minY)
            
            vc.downCallback = { [weak self] (downEntered: Bool, count: String) -> Void in
                if downEntered {
                    if (count == titles.first) {
                        self!.delegate?.clickChildTool?(type: .secure, index: 1)
                    } else {
                        self!.delegate?.clickChildTool?(type: .secure, index: 2)
                    }
                }
            }
        } else if ((KMToolbarType.word.rawValue ... KMToolbarType.conversion_image.rawValue).contains(clickChaildToolType.rawValue)) { /// 转档
            self.delegate?.clickChildTool?(type: clickChaildToolType, index: 0)
        } else if (clickChaildToolType == .merge) {
            self.delegate?.clickChildTool?(type: clickChaildToolType, index: 0)
        }
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, zoomModel selectedTag: Int) {
        self.delegate?.toolbarViewController?(viewController, zoomModel: selectedTag)
    }

    func toolbarViewController(_ viewController:KMToolbarViewController, zoomSting : String) {
        self.delegate?.toolbarViewController?(viewController, zoomSting: zoomSting)
    }
    
    func changePDFViewZoomInAction() {
        self.delegate?.changePDFViewZoomInAction?()
    }
    
    func changePDFViewZoomOutAction() {
        self.delegate?.changePDFViewZoomOutAction?()
    }
    
    func changePDFViewGotoNextPageAction() {
        self.delegate?.changePDFViewGotoNextPageAction?()
    }
    
    func changePDFViewGoToPreviousPageAction() {
        self.delegate?.changePDFViewGoToPreviousPageAction?()
    }
    
    func showPDFViewPrintViewController() {
        self.delegate?.showPDFViewPrintViewController?()
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, shareDocument item: NSMenuItem) {
        self.delegate?.toolbarViewController?(viewController, shareDocument: item)
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, shareFlatten item: NSMenuItem) {
        self.delegate?.toolbarViewController?(viewController, shareFlatten: item)
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, shareOriginalPDF item: NSMenuItem) {
        self.delegate?.toolbarViewController?(viewController, shareOriginalPDF: item)
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, scanOCRModel selectedTag: Int) {
        self.delegate?.toolbarViewController?(viewController, scanOCRModel: selectedTag)
    }
    
}