PDF_Office/PDF Office/PDF Master/KMClass/Left/Outline/View/KMBOTAOutlineCellView.swift

//
//  KMBOTAOutlineCellView.swift
//  PDF Reader Pro
//
//  Created by lizhe on 2023/4/2.
//

import Cocoa

typealias KMBOTAOutlineCellViewIconAction = (_ view: KMBOTAOutlineCellView ) -> ()
class KMBOTAOutlineCellView: NSTableCellView {
    @IBOutlet var contentView: NSView!
    @IBOutlet weak var titleLabel: NSTextField!
    @IBOutlet weak var iconButton: NSButton!
    
    @IBOutlet weak var iconImageWidthConstrailnt: NSLayoutConstraint!
    
    var iconAction: KMBOTAOutlineCellViewIconAction?
    var model: KMBOTAOutlineItem? {
        didSet {
            self.reloadData()
        }
    }
    
    private lazy var hoverBox_: NSBox = {
        let box = NSBox()
        box.boxType = .custom
        box.titlePosition = .noTitle
        box.contentViewMargins = .zero
        box.borderWidth = 0
        return box
    }()
    
    var hoverBox: NSBox {
        get {
            return hoverBox_
        }
    }
    
    // MARK: 初始化
    override init(frame frameRect: NSRect) {
        super.init(frame: frameRect)
        initContentView()
        setup()
    }
    
    required init?(coder decoder: NSCoder) {
        super.init(coder: decoder)
        initContentView()
        setup()
        fatalError("init(coder:) has not been implemented")
    }
    
    private func initContentView() {
        //绑定xib
        let resource = NSNib(nibNamed: String(describing: self.classForCoder.self),
                             bundle: Bundle(for: self.classForCoder.self))!
        resource.instantiate(withOwner: self, topLevelObjects: nil)
        addSubview(contentView)
        contentView.translatesAutoresizingMaskIntoConstraints = false
        NSLayoutConstraint.activate([
            contentView.topAnchor.constraint(equalTo: topAnchor),
            contentView.leftAnchor.constraint(equalTo: leftAnchor),
            contentView.rightAnchor.constraint(equalTo: rightAnchor),
            contentView.bottomAnchor.constraint(equalTo: bottomAnchor)])
        contentView.updateConstraintsForSubtreeIfNeeded()
    }
    
    func setup() {
        self.titleLabel.maximumNumberOfLines = 0
        
        contentView.addSubview(hoverBox_)
        hoverBox_.km_add_leading_constraint(equalTo: iconButton, attribute: .trailing, constant: 4)
        hoverBox_.km_add_top_constraint()
        hoverBox_.km_add_bottom_constraint()
        hoverBox_.km_add_trailing_constraint(constant: -16)
    }
    
    func reloadData() {
        guard let data = self.model else { return }
        
        self.titleLabel.stringValue = data.outline.label ?? ""
        if data.isItemExpanded {
            self.iconButton.image = NSImage(named: "KMImageNameArrowDown")
        } else {
            self.iconButton.image = NSImage(named: "KMImageNameArrowRight")
        }
        
        if data.outline.numberOfChildren > 0 {
            self.iconButton.isHidden = false
//            self.iconImageWidthConstrailnt.constant = 22
        } else {
            self.iconButton.isHidden = true
//            self.iconImageWidthConstrailnt.constant = 0
        }
    }
    
    func updateUI() {
        self.titleLabel.textColor = NSColor.km_init(hex: "#252629")
        self.titleLabel.font = NSFont.SFProTextRegularFont(14.0)
    }
    
    func updateLanguage() {
        self.reloadData()
    }
    
    
    @IBAction func iconButtonAction(_ sender: Any) {
        guard let callBack = iconAction else { return }
        callBack(self)
    }
}