PDF_Office/PDF Office/PDF Master/Class/Home/ViewController/KMPDFToolsViewController.swift

//
//  KMPDFToolsViewController.swift
//  PDF Reader Pro
//
//  Created by wanjun on 2022/11/16.
//

import Cocoa

@objc protocol KMPDFToolsViewControllerDelegate {
    @objc optional func pdfToolsViewController(_ viewController: KMPDFToolsViewController, didSelectItemsAt indexPaths: [Int])
}

class KMPDFToolsViewController: NSViewController {

    @IBOutlet weak var topBox: NSBox!
    @IBOutlet weak var pdfToolLabel: NSTextField!
    @IBOutlet weak var customizeBox: NSBox!
    @IBOutlet weak var customizeBoxHeight: NSLayoutConstraint!
    @IBOutlet weak var foldOrUnflodBox: NSBox!
    @IBOutlet weak var foldOrUnflodBoxHeight: NSLayoutConstraint!

    @IBOutlet weak var middleBox: NSBox!
    @IBOutlet weak var homeFastToolLabel: NSTextField!
    @IBOutlet weak var confirmBox: NSBox!
    @IBOutlet weak var confirmBoxHeight: NSLayoutConstraint!
    @IBOutlet weak var cancelBox: NSBox!
    @IBOutlet weak var cancelBoxHeight: NSLayoutConstraint!
    @IBOutlet weak var homeFastToolBox: NSBox!
    @IBOutlet weak var homeFastToolScrollView: NSScrollView!
    @IBOutlet weak var homeFastToolCollectionView: KMPDFToolsCollectionView!
    
    @IBOutlet weak var bottomBox: NSBox!
    @IBOutlet weak var moreToolLabel: NSTextField!
    @IBOutlet weak var moreToolBox: NSBox!
    @IBOutlet weak var moreToolScrollView: NSScrollView!
    @IBOutlet weak var moreToolCollectionView: KMPDFToolsCollectionView!
    
    @IBOutlet var homeViewController: KMHomeViewController!
    
    @IBOutlet weak var homeFastToolBoxHeightConstraint: NSLayoutConstraint!
    @IBOutlet weak var moreToolBoxHeightConstraint: NSLayoutConstraint!
    @IBOutlet weak var moreToolBoxTopConstraint: NSLayoutConstraint!
    
    var customizeVC: KMDesignButton!
    var foldOrUnflodVC: KMDesignButton!
    var confirmVC: KMDesignButton!
    var cancelVC: KMDesignButton!

    var isFold: Bool!
    var isCustomize: Bool! = false
    var quickToolsItemMutableArray: [Int] = []
    var moreToolsItemMutableArray: [Int] = []
    open weak var delete: KMPDFToolsViewControllerDelegate?
    var collectionItemWidth: Int! = 230
    
    var homeFastToolItemsDragged: Set<IndexPath> = []
    var moreTooltemsDragged: Set<IndexPath> = []
    var createFilePopover: NSPopover = NSPopover.init()

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        
        customizeVC     = KMDesignButton.init(withType: .Text)
        foldOrUnflodVC  = KMDesignButton.init(withType: .Image)
        confirmVC       = KMDesignButton.init(withType: .Text)
        cancelVC        = KMDesignButton.init(withType: .Text)

        homeFastToolCollectionView.register(KMFastToolCollectionViewItem.self, forItemWithIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMFastToolCollectionViewItem"))
        moreToolCollectionView.register(KMFastToolCollectionViewItem.self, forItemWithIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMFastToolCollectionViewItem"))
        
        isFold = UserDefaults.standard.bool(forKey: "kHomeQucikToolsTypeKey")
        let moreToolsArray = UserDefaults.standard.array(forKey: "MoreToolsItemArrayKey") as? [Int] ?? []
        if (moreToolsArray.count > 0) {
            moreToolsItemMutableArray = moreToolsArray
        } else {
            moreToolsItemMutableArray = moreToolsFullArray()
            UserDefaults.standard.set(moreToolsItemMutableArray, forKey: "MoreToolsItemArrayKey")
            UserDefaults.standard.synchronize()
        }
        let quickToolsArray = UserDefaults.standard.array(forKey: "HomeQucikToolsItemArrayKey") as? [Int] ?? []
        if (quickToolsArray.count > 0) {
            quickToolsItemMutableArray = quickToolsArray
        } else {
            quickToolsItemMutableArray = quickToolsFullArray()
            UserDefaults.standard.set(quickToolsItemMutableArray, forKey: "HomeQucikToolsItemArrayKey")
            UserDefaults.standard.synchronize()
        }
        registerForCollectionViewDragAndDrop()
    }
    
    override func viewDidAppear() {
        super.viewDidAppear()
        
        isFold = UserDefaults.standard.bool(forKey: "kHomeQucikToolsTypeKey")
        
        customStateChange(isCustomize)
        foldStateChange(isFold)

        self.view.postsBoundsChangedNotifications = true
        NotificationCenter.default.addObserver(self, selector: #selector(boundsDidChangeNotification), name: NSView.frameDidChangeNotification, object: self.view)
        
        reloadData()
    }
    
    // MARK: Init
    
    func initializeUI() -> Void {
        topBox.fillColor = .clear
        middleBox.fillColor = .clear
        bottomBox.fillColor = .clear
        
        customizeBox.fillColor = .clear
        customizeBox.contentView = customizeVC.view
        customizeVC.target = self
        customizeVC.action = #selector(customButtonAction(_:))
        customizeVC.button(type: .Sec, size: .m, height: customizeBoxHeight)
        
        foldOrUnflodBox.fillColor = .clear
        foldOrUnflodBox.contentView = foldOrUnflodVC.view
        foldOrUnflodVC.image = NSImage(named: "icon_btn_more_false_false")!
        foldOrUnflodVC.target = self
        foldOrUnflodVC.action = #selector(foldOrUnflodButtonAction(_:))
        foldOrUnflodVC.button(type: .Sec, size: .m, height: foldOrUnflodBoxHeight)

        pdfToolLabel.textColor = NSColor.km_init(hex: "#000000")
        pdfToolLabel.font = NSFont(name: "PingFangSC-Semibold", size: 16.0)
        homeFastToolLabel.font = NSFont(name: "SFProText-Semibold", size: 14.0)
        homeFastToolLabel.textColor = NSColor.km_init(hex: "#616469")
        moreToolLabel.font = NSFont(name: "SFProText-Semibold", size: 14.0)
        moreToolLabel.textColor = NSColor.km_init(hex: "#616469")
        
        confirmBox.fillColor = .clear
        confirmBox.contentView = confirmVC.view
        confirmVC.target = self
        confirmVC.action = #selector(confirmAction(_:))
        confirmVC.button(type: .Cta, size: .m, height: confirmBoxHeight)

        cancelBox.fillColor = .clear
        cancelBox.contentView = cancelVC.view
        cancelVC.target = self
        cancelVC.action = #selector(cancelAction(_:))
        cancelVC.button(type: .Sec, size: .m, height: cancelBoxHeight)
    }
    
    func initLocalization() -> Void {
        pdfToolLabel.stringValue = NSLocalizedString("PDF Tools", comment: "")
        customizeVC.stringValue = NSLocalizedString("Custom", comment: "")
        customizeVC.toolTip = NSLocalizedString("Custom", comment: "")
        if isFold {
            foldOrUnflodVC.title = NSLocalizedString("Expand", comment: "")
            foldOrUnflodVC.toolTip = NSLocalizedString("Expand", comment: "")
        } else {
            foldOrUnflodVC.title = NSLocalizedString("Collapse", comment: "")
            foldOrUnflodVC.toolTip = NSLocalizedString("Collapse", comment: "")
        }
        homeFastToolLabel.stringValue = NSLocalizedString("Quick Tools", comment: "")
        confirmVC.stringValue = NSLocalizedString("Apply", comment: "")
        confirmVC.toolTip = NSLocalizedString("Apply", comment: "")
        cancelVC.stringValue = NSLocalizedString("Cancel", comment: "")
        cancelVC.toolTip = NSLocalizedString("Cancel", comment: "")
        moreToolLabel.stringValue = NSLocalizedString("More Tools", comment: "")
    }
    
    // MARK: private
    
    func quickToolsFullArray() -> [Int] {
        return [DataNavigationViewButtonActionType.PDFToWord.rawValue,
                DataNavigationViewButtonActionType.PDFToExcel.rawValue,
                DataNavigationViewButtonActionType.PDFToPPT.rawValue,
                DataNavigationViewButtonActionType.PDFToImage.rawValue,
                DataNavigationViewButtonActionType.Compression.rawValue,
                DataNavigationViewButtonActionType.Security.rawValue,
                DataNavigationViewButtonActionType.MergePDF.rawValue,
                DataNavigationViewButtonActionType.ImageToPDF.rawValue]
    }

    func moreToolsFullArray() -> [Int] {
        return [DataNavigationViewButtonActionType.Watermark.rawValue,
                DataNavigationViewButtonActionType.Background.rawValue,
                DataNavigationViewButtonActionType.HeaderAndFooter.rawValue,
                DataNavigationViewButtonActionType.BatesCode.rawValue,
                DataNavigationViewButtonActionType.BatchRemove.rawValue,
                DataNavigationViewButtonActionType.MarkCipher.rawValue,
                DataNavigationViewButtonActionType.Print.rawValue,
                DataNavigationViewButtonActionType.PageEdit.rawValue,
                DataNavigationViewButtonActionType.Insert.rawValue,
                DataNavigationViewButtonActionType.BreakUp.rawValue,
                DataNavigationViewButtonActionType.Extract.rawValue,
                DataNavigationViewButtonActionType.Batch.rawValue,
                DataNavigationViewButtonActionType.ConvertPDF.rawValue]
    }
    
    @IBAction func boundsDidChangeNotification(_ notification: NSNotification) -> Void {
        reloadData()
    }
    
    func reloadData() -> Void {
        initializeUI()
        initLocalization()

        collectionItemWidth = Int((homeFastToolCollectionView.bounds.width - (20 * 3))/4)
        dynamicsChangeMoreToolBoxHeight()
        
        homeFastToolCollectionView.reloadData()
        moreToolCollectionView.reloadData()
    }
    
    func customStateChange(_ custom: Bool) -> Void {
        confirmBox.isHidden = true
        cancelBox.isHidden = true
        customizeVC.isHidden = true
        foldOrUnflodVC.isHidden = true
        if custom {
            confirmBox.isHidden = false
            cancelBox.isHidden = false
        } else {
            customizeVC.isHidden = false
            foldOrUnflodVC.isHidden = false
        }
        reloadData()
    }

    func foldStateChange(_ fold: Bool) -> Void {
        if fold {
            homeFastToolBoxHeightConstraint.constant = 152
            dynamicsChangeMoreToolBoxHeight()
            
            UserDefaults.standard.setValue(true, forKey: "kHomeQucikToolsTypeKey")
        } else {
            homeFastToolBoxHeightConstraint.constant = 248
            dynamicsChangeMoreToolBoxHeight()

            UserDefaults.standard.setValue(false, forKey: "kHomeQucikToolsTypeKey")
        }
        UserDefaults.standard.synchronize()
        reloadData()
    }
    
    func dynamicsChangeMoreToolBoxHeight() -> Void {
        let height = self.view.frame.height - middleBox.frame.height - topBox.frame.height - moreToolBoxTopConstraint.constant
        if isFold {
            if height > 320 {
                moreToolBoxHeightConstraint.constant = 320
            } else {
                moreToolBoxHeightConstraint.constant = height
            }
        } else {
            if height > 512 {
                moreToolBoxHeightConstraint.constant = 512
            } else {
                moreToolBoxHeightConstraint.constant = height
            }
        }
    }
    
    func registerForCollectionViewDragAndDrop() -> Void {
        homeFastToolCollectionView.registerForDraggedTypes([.string])
        homeFastToolCollectionView.setDraggingSourceOperationMask(.every, forLocal: false)
        homeFastToolCollectionView.setDraggingSourceOperationMask(.every, forLocal: true)
        
        moreToolCollectionView.registerForDraggedTypes([.string])
        moreToolCollectionView.setDraggingSourceOperationMask(.every, forLocal: false)
        moreToolCollectionView.setDraggingSourceOperationMask(.every, forLocal: true)
    }
    
    func moveCell(index fromIndex: Int, toIndex: Int, collectionView: NSCollectionView) -> Void {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            let currentIndex: Int = quickToolsItemMutableArray[fromIndex]
            if fromIndex <= toIndex {
            }
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            
        }
    }
    
    func createPopoverAction(_ data: [String], view: NSView) {
        let vc: KMHomePopViewController = KMHomePopViewController().initWithPopViewDataArr(data)
        self.createFilePopover.contentViewController = vc
        self.createFilePopover.animates = true
        self.createFilePopover.behavior = .semitransient
        self.createFilePopover.setValue(true, forKey: "shouldHideAnchor")
        self.createFilePopover.show(relativeTo: CGRect(x: view.bounds.origin.x, y: 10, width: view.bounds.size.width, height: view.bounds.size.height), of: view, preferredEdge: .minY)
        
        vc.downCallback = {(downEntered: Bool, count: String) -> Void in
            if downEntered {
                self.moreToolsAction(vc)
            }
        }
    }
    
    // MARK: Action
    
    // 是否开启自定义模式
    @IBAction func customButtonAction(_ sender: NSButton) {
        isCustomize = !isCustomize
        customStateChange(isCustomize)
    }
    
    @IBAction func foldOrUnflodButtonAction(_ sender: NSButton) {
        if self.createFilePopover.isShown {
            self.createFilePopover.close()
        } else {
            if isFold {
                self.createPopoverAction([NSLocalizedString("Expand", comment: "")], view: foldOrUnflodBox)
            } else {
                self.createPopoverAction([NSLocalizedString("Collapse", comment: "")], view: foldOrUnflodBox)
            }
        }
    }
    
    func moreToolsAction(_ viewController: KMHomePopViewController) {
        isFold = !isFold
        foldStateChange(isFold)
        if isFold {
            viewController.changePopViewCellData(0, content: NSLocalizedString("Expand", comment: ""))
        } else {
            viewController.changePopViewCellData(0, content: NSLocalizedString("Collapse", comment: ""))
        }
    }
    
    @IBAction func cancelAction(_ sender: Any) {
        isCustomize = !isCustomize
        customStateChange(isCustomize)
    }
    
    @IBAction func confirmAction(_ sender: Any) {
        UserDefaults.standard.set(moreToolsItemMutableArray, forKey: "MoreToolsItemArrayKey")
        UserDefaults.standard.set(quickToolsItemMutableArray, forKey: "HomeQucikToolsItemArrayKey")
        UserDefaults.standard.synchronize()
        
        isCustomize = !isCustomize
        customStateChange(isCustomize)
    }
}

// MARK: - NSCollectionViewDataSource

extension KMPDFToolsViewController: NSCollectionViewDataSource {
    func collectionView(_ collectionView: NSCollectionView, numberOfItemsInSection section: Int) -> Int {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            return quickToolsItemMutableArray.count
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            return moreToolsItemMutableArray.count
        }
        return 0
    }
    
    func collectionView(_ collectionView: NSCollectionView, itemForRepresentedObjectAt indexPath: IndexPath) -> NSCollectionViewItem {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            let item: KMFastToolCollectionViewItem = collectionView.makeItem(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMFastToolCollectionViewItem"), for: indexPath) as! KMFastToolCollectionViewItem
            item.card(bg: "card.has-desc.bg.norm", titleText: "card.mac-text.title", descText: "card.mac-text.desc", spacing: "card.item-spacing")
            item.card(bg: "card.has-desc.bg.hov", titleText: "card.mac-text.title", descText: "card.mac-text.desc", spacing: "card.item-spacing", state: .Hov)
            item.card(bg: "card.has-desc.bg.sel", titleText: "card.mac-text.title", descText: "card.mac-text.desc", spacing: "card.item-spacing", state: .Sel)
            item.card(bg: "card.has-desc.bg.custom", titleText: "card.mac-text.title", descText: "card.mac-text.desc", spacing: "card.item-spacing", state: .Custom)
            item.card(bg: "card.has-desc.bg.none", state: .None)
            item.card(bg: "card.has-desc.bg.change", titleText: "card.win-text.title", descText: "card.win-text.desc", spacing: "card.item-spacing", state: .Change)


            let i: Int = indexPath.item
            let index: Int = quickToolsItemMutableArray[i]
            item.quickToolsCollectionCellItem(type: DataNavigationViewButtonActionType(rawValue: index) ?? .Batch)
            item.refreshHoverStatus(!isCustomize, !isCustomize)
            item.refreshUIColor(isCustomize)
            return item
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            let item: KMFastToolCollectionViewItem = collectionView.makeItem(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: "KMFastToolCollectionViewItem"), for: indexPath) as! KMFastToolCollectionViewItem
            item.card(bg: "card.has-desc.bg.norm", titleText: "card.mac-text.title", descText: "card.mac-text.desc", spacing: "card.item-spacing")
            item.card(bg: "card.has-desc.bg.hov", titleText: "card.mac-text.title", descText: "card.mac-text.desc", spacing: "card.item-spacing", state: .Hov)
            item.card(bg: "card.has-desc.bg.sel", titleText: "card.mac-text.title", descText: "card.mac-text.desc", spacing: "card.item-spacing", state: .Sel)
            item.card(bg: "card.has-desc.bg.custom", titleText: "card.mac-text.title", descText: "card.mac-text.desc", spacing: "card.item-spacing", state: .Custom)
            item.card(bg: "card.has-desc.bg.none", state: .None)
            item.card(bg: "card.has-desc.bg.change", titleText: "card.win-text.title", descText: "card.win-text.desc", spacing: "card.item-spacing", state: .Change)

            let i: Int = indexPath.item
            let index: Int = moreToolsItemMutableArray[i]
            item.quickToolsCollectionCellItem(type: DataNavigationViewButtonActionType(rawValue: index) ?? .Batch)
            item.refreshHoverStatus(!isCustomize, !isCustomize)
            return item
        }
        return NSCollectionViewItem.init()
    }
}

// MARK: - NSCollectionViewDelegate

extension KMPDFToolsViewController: NSCollectionViewDelegate {
    func collectionView(_ collectionView: NSCollectionView, didSelectItemsAt indexPaths: Set<IndexPath>) {
        if !isCustomize {
            var indexs: [Int] = []
            if collectionView.isEqual(to: homeFastToolCollectionView) {
                for index in indexPaths {
                    let i: Int = index.item
                    let index: Int = quickToolsItemMutableArray[i]
                    indexs.append(index)
                }
            } else if collectionView.isEqual(to: moreToolCollectionView) {
                for index in indexPaths {
                    let i: Int = index.item
                    let index: Int = moreToolsItemMutableArray[i]
                    indexs.append(index)
                }
            }
            self.delete?.pdfToolsViewController!(self, didSelectItemsAt: indexs)
            collectionView.deselectAll([])
        }
    }
    
    func collectionView(_ collectionView: NSCollectionView, canDragItemsAt indexPaths: Set<IndexPath>, with event: NSEvent) -> Bool {
        if isCustomize {
            return true
        }
        return false
    }
    
    func collectionView(_ collectionView: NSCollectionView, pasteboardWriterForItemAt indexPath: IndexPath) -> NSPasteboardWriting? {
        guard let model = indexPath as? IndexPath else {
            return nil
        }
        
        let  pastBoard = NSPasteboardItem.init()
        pastBoard.setString(String(format: "%ld", model.item), forType: NSPasteboard.PasteboardType.string)
        return pastBoard
    }
    
    func collectionView(_ collectionView: NSCollectionView, draggingSession session: NSDraggingSession, willBeginAt screenPoint: NSPoint, forItemsAt indexPaths: Set<IndexPath>) {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            homeFastToolItemsDragged = indexPaths
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            moreTooltemsDragged = indexPaths
        }
    }
    
    func collectionView(_ collectionView: NSCollectionView, validateDrop draggingInfo: NSDraggingInfo, proposedIndexPath proposedDropIndexPath: AutoreleasingUnsafeMutablePointer<NSIndexPath>, dropOperation proposedDropOperation: UnsafeMutablePointer<NSCollectionView.DropOperation>) -> NSDragOperation {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            if !homeFastToolItemsDragged.isEmpty {
                return .move
            } else {
                return .copy
            }
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            if !moreTooltemsDragged.isEmpty {
                return .move
            } else {
                return .copy
            }
        }
        return []
    }
    
    func collectionView(_ collectionView: NSCollectionView, acceptDrop draggingInfo: NSDraggingInfo, indexPath: IndexPath, dropOperation: NSCollectionView.DropOperation) -> Bool {
        var result: Bool = false
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            if !homeFastToolItemsDragged.isEmpty {
                var toItemIndex = indexPath.item
                for fromIndexPath in homeFastToolItemsDragged.sorted() {
                    let fromItemIndex = fromIndexPath.item
                    if fromItemIndex > toItemIndex {
                        
                        homeFastToolCollectionView.animator().moveItem(at: IndexPath(item: fromItemIndex, section: indexPath.section), to: IndexPath(item: toItemIndex, section: indexPath.section))
                        toItemIndex += 1
                    }
                }
                var adjustedToItemIndex = indexPath.item
                for fromIndexPath in homeFastToolItemsDragged.sorted(by: >) {
                    let fromItemIndex = fromIndexPath.item
                    if fromItemIndex < adjustedToItemIndex  {
                        if adjustedToItemIndex >= quickToolsItemMutableArray.count {
                            adjustedToItemIndex = quickToolsItemMutableArray.count - 1;
                        }
                        let adjustedToIndexPath = IndexPath(item: adjustedToItemIndex, section: indexPath.section)
                        homeFastToolCollectionView.animator().moveItem(at: IndexPath(item: fromItemIndex, section: indexPath.section), to: adjustedToIndexPath)
                        adjustedToItemIndex -= 1
                    }
                }
                result = true
            } else if !moreTooltemsDragged.isEmpty {
                let array = Array(moreTooltemsDragged)
                let toItemIndex = array[0].item
                let insertIndex = quickToolsItemMutableArray[indexPath.item]
                
                quickToolsItemMutableArray.remove(at: indexPath.item)
                quickToolsItemMutableArray.insert(moreToolsItemMutableArray[toItemIndex], at: indexPath.item)
                moreToolsItemMutableArray.remove(at: toItemIndex)
//                moreToolsItemMutableArray.insert(insertIndex, at: toItemIndex)
                moreToolsItemMutableArray.insert(insertIndex, at: 0)

                result = true
            }
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            if !moreTooltemsDragged.isEmpty {
                var toItemIndex = indexPath.item
                for fromIndexPath in moreTooltemsDragged.sorted() {
                    let fromItemIndex = fromIndexPath.item
                    if fromItemIndex > toItemIndex {
                        
                        moreToolCollectionView.animator().moveItem(at: IndexPath(item: fromItemIndex, section: indexPath.section), to: IndexPath(item: toItemIndex, section: indexPath.section))
                        toItemIndex += 1
                    }
                }
                var adjustedToItemIndex = indexPath.item - 1
                for fromIndexPath in moreTooltemsDragged.sorted(by: >) {
                    let fromItemIndex = fromIndexPath.item
                    if fromItemIndex < adjustedToItemIndex {
                        if adjustedToItemIndex >= quickToolsItemMutableArray.count {
                            adjustedToItemIndex = quickToolsItemMutableArray.count - 1
                        }
                        
                        let adjustedToIndexPath = IndexPath(item: adjustedToItemIndex, section: indexPath.section)
                        moreToolCollectionView.animator().moveItem(at: IndexPath(item: fromItemIndex, section: indexPath.section), to: adjustedToIndexPath)
                        adjustedToItemIndex -= 1
                    }
                }
                result = true
            } else if !homeFastToolItemsDragged.isEmpty {
                let array = Array(homeFastToolItemsDragged)
                let toItemIndex = array[0].item
                let insertIndex = moreToolsItemMutableArray[indexPath.item]

                moreToolsItemMutableArray.remove(at: indexPath.item)
                moreToolsItemMutableArray.insert(quickToolsItemMutableArray[toItemIndex], at: indexPath.item)
                quickToolsItemMutableArray.remove(at: toItemIndex)
//                quickToolsItemMutableArray.insert(insertIndex, at: toItemIndex)
                quickToolsItemMutableArray.insert(insertIndex, at: 0)

                result = true
            }
        }
        return result
    }
    
    func collectionView(_ collectionView: NSCollectionView, draggingSession session: NSDraggingSession, endedAt screenPoint: NSPoint, dragOperation operation: NSDragOperation) {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            homeFastToolItemsDragged = Set<IndexPath>()
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            moreTooltemsDragged = Set<IndexPath>()
        }
        
        homeFastToolCollectionView.reloadSections(IndexSet(integer: 0))
        moreToolCollectionView.reloadSections(IndexSet(integer: 0))
    }
}

// MARK: - NSCollectionViewDelegateFlowLayout

extension KMPDFToolsViewController: NSCollectionViewDelegateFlowLayout {
    func collectionView(_ collectionView: NSCollectionView, layout collectionViewLayout: NSCollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> NSSize {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            if isFold {
                return CGSize(width: collectionItemWidth, height: 68)
            } else {
                return CGSize(width: collectionItemWidth, height: 116)
            }
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            if isFold {
                return CGSize(width: collectionItemWidth, height: 68)
            } else {
                return CGSize(width: collectionItemWidth, height: 116)
            }
        }
        return CGSize(width: collectionItemWidth, height: 116)
    }
    
    func collectionView(_ collectionView: NSCollectionView, layout collectionViewLayout: NSCollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            return 16
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            return 16
        }
        return 16
    }
    
    func collectionView(_ collectionView: NSCollectionView, layout collectionViewLayout: NSCollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
        if collectionView.isEqual(to: homeFastToolCollectionView) {
            return 0
        } else if collectionView.isEqual(to: moreToolCollectionView) {
            return 0
        }
        return 0
    }
}