PDF_Office/PDF Office/PDF Master/Class/Merge/OCPart/KMTableRowView.swift

//
//  KMTableRowView.swift
//  PDF Master
//
//  Created by wanjun on 2023/10/10.
//

import Cocoa

class KMTableRowView: NSTableRowView {
    
    var _hasBottomLine: Bool = false
    var _bottomLineColor: NSColor?

    var selectionInset: NSEdgeInsets = NSEdgeInsets()
    @objc var selectionRadius: CGFloat = 0.0
    @objc var selectionBackgroundColorBlock: (() -> NSColor)?

    override init(frame frameRect: NSRect) {
        super.init(frame: frameRect)
        addTrackingArea()
        selectionInset = NSEdgeInsetsZero
        selectionRadius = 0.0
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
    }
    
    var hasBottomLine: Bool {
        get {
            return _hasBottomLine
        }
        set {
            _hasBottomLine = newValue
            self.needsDisplay = true
        }
    }
    
    var bottomLineColor: NSColor? {
        get {
            return _bottomLineColor
        }
        set {
            _bottomLineColor = newValue
            self.needsDisplay = true
        }
    }
    
    //MARK: Private Methods
    
    func addTrackingArea() {
        let trackingArea = NSTrackingArea.init(rect: self.bounds, options: [.mouseEnteredAndExited, .inVisibleRect, .activeAlways, .mouseMoved], owner: self)
        self.addTrackingArea(trackingArea)
    }

    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)
        
        if self.hasBottomLine {
            var color = self.bottomLineColor
            if color == nil {
                color = NSColor.lightGray
            }
            color!.setStroke()
            color!.setFill()
            
            let lineRect = NSRect(x: 0, y: NSHeight(bounds) - 1, width: NSWidth(bounds), height: 1)
            let linePath = NSBezierPath(roundedRect: lineRect, xRadius: 0, yRadius: 0)
            linePath.fill()
            linePath.stroke()
        }
    }

    override func drawSelection(in dirtyRect: NSRect) {
        if selectionBackgroundColorBlock == nil {
            let selectionRect = NSRect(x: selectionInset.left, y: selectionInset.top, width: NSWidth(bounds) - selectionInset.left - selectionInset.right, height: NSHeight(bounds) - selectionInset.top - selectionInset.bottom)
            NSColor.lightGray.setFill()
            let selectionPath = NSBezierPath(roundedRect: selectionRect, xRadius: selectionRadius, yRadius: selectionRadius)
            selectionPath.fill()
            return
        }

        let selectionRect = NSRect(x: selectionInset.left, y: selectionInset.top, width: NSWidth(bounds) - selectionInset.left - selectionInset.right, height: NSHeight(bounds) - selectionInset.top - selectionInset.bottom)
        let color = selectionBackgroundColorBlock!()
        color.setStroke()
        color.setFill()

        let selectionPath = NSBezierPath(roundedRect: selectionRect, xRadius: selectionRadius, yRadius: selectionRadius)
        selectionPath.fill()
        selectionPath.stroke()
    }

    override func mouseEntered(with event: NSEvent) {
        super.mouseEntered(with: event)
    }

}