PDF_Office/PDF Office/PDF Master/Class/PDFTools/HeaderFooter/View/KMHeaderFooterContentInfoView.swift

//
//  KMHeaderFooterContentInfoView.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2022/12/28.
//

import Cocoa

typealias KMHeaderFooterContentInfoView_selectAreaViewItemClick = (_ index: Int) -> ()
private class KMHeaderFooterContentInfoView_selectAreaView: NSView {
    
    private var hLine = NSView()
    private var vLine = NSView()
    private var vLine2 = NSView()
    
    private var buttons: Array<NSButton> = []
    
    var itemClick: KMHeaderFooterContentInfoView_selectAreaViewItemClick!
    
    override init(frame frameRect: NSRect) {
        super.init(frame: frameRect)
        
        self.initSubViews()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        
        self.initSubViews()
    }
    
    override var isFlipped: Bool {
        return true
    }
    
    private func initSubViews() {
        self.addSubview(self.hLine)
        self.addSubview(self.vLine)
        self.addSubview(self.vLine2)
        
        self.wantsLayer = true
        self.layer?.borderWidth = 1
        self.layer?.borderColor = NSColor.black.cgColor
        self.layer?.cornerRadius = 2
        for line in [self.hLine, self.vLine, self.vLine2] {
            line.wantsLayer = true
            line.layer?.backgroundColor = NSColor.black.cgColor
        }
        
        self.buttons.removeAll()
        for i in 0 ... 1 {
            for j in 0 ... 2 {
                let button = NSButton()
                button.isBordered = false
                button.title = ""
                self.addSubview(button)
                self.buttons.append(button)
                
                button.tag = i * 3 + j + 1
                button.target = self
                button.action = #selector(buttonAction)
            }
        }
    }
    
    override func layout() {
        super.layout()
        
        let width: CGFloat = NSWidth(self.bounds)
        let height: CGFloat = NSHeight(self.bounds)
        
        let itemSize: NSSize = NSMakeSize(width/3, height*0.5)
        self.hLine.frame = NSMakeRect(0, itemSize.height, width, 1)
        self.vLine.frame = NSMakeRect(itemSize.width, 0, 1, height)
        self.vLine2.frame = NSMakeRect(itemSize.width*2, 0, 1, height)
        
        for i in 0 ... 1 {
            for j in 0 ... 2 {
                let button = self.buttons[i*3+j]
                button.frame = NSMakeRect(CGFloat(j)*itemSize.width, CGFloat(i)*itemSize.height, itemSize.width, itemSize.height)
            }
        }
    }
    
    func selectIndex(index: Int) {
        for button in self.buttons {
            button.wantsLayer = true
            if (button.tag == index) {
                button.layer?.backgroundColor = NSColor.black.cgColor
            } else {
                button.layer?.backgroundColor = NSColor.clear.cgColor
            }
        }
    }
    
    @objc private func buttonAction(sender: NSButton) {
        guard let callback = self.itemClick else {
            return
        }
        
        self.selectIndex(index: sender.tag)
        callback(sender.tag)
    }
}

typealias KMHeaderFooterContentInfoViewAddAction = (_ index: Int, _ sender: NSButton) -> ()
class KMHeaderFooterContentInfoView: KMHeaderFooterAdjectiveInfoBaseView {
    
    var addButton = NSButton()
    private var selectAreaView = KMHeaderFooterContentInfoView_selectAreaView()
    var textViewBox = NSView()
    var scrollView = NSScrollView()
    var textView = NSTextView()
    
    var addAction: KMHeaderFooterContentInfoViewAddAction!
    
    private var selectedIndex: Int = 1
    var indexForSelectedItem: Int {
        get {
            return self.selectedIndex
        }
    }
    
    override func initSubviews() {
        super.initSubviews()
        
        self.addSubview(self.addButton)
        self.addSubview(self.selectAreaView)
        self.addSubview(self.textViewBox)
        self.addSubview(self.scrollView)
        self.scrollView.documentView = self.textView
        
        self.titleLabel.stringValue = NSLocalizedString("Layout & Content", comment: "")
        self.addButton.isBordered = false
        self.addButton.title = "+"
        self.addButton.target = self
        self.addButton.action = #selector(addButtonAction)
        
        self.textViewBox.wantsLayer = true
        self.textViewBox.layer?.borderWidth = 1
        self.textViewBox.layer?.borderColor = NSColor.black.cgColor
        self.textViewBox.layer?.cornerRadius = 4
        
        self.scrollView.borderType = .noBorder
        self.scrollView.wantsLayer = true
        self.scrollView.layer?.borderWidth = 1
        self.scrollView.layer?.borderColor = NSColor.black.cgColor
        self.scrollView.layer?.cornerRadius = 2
        self.scrollView.layer?.masksToBounds = true
        self.textView.textContainerInset = NSMakeSize(6, 8)
        self.textView.isRichText = false
        self.textView.drawsBackground = false
        self.scrollView.drawsBackground = false
        self.textView.delegate = self
        
        self.selectAreaView.itemClick = {
            (index: Int) in
            self.selectedIndex = index
            
            if (index == 1) {
                self.textView.string = self.model.topLeftString
            } else if (index == 2) {
                self.textView.string = self.model.topCenterString
            } else if (index == 3) {
                self.textView.string = self.model.topRightString
            } else if (index == 4) {
                self.textView.string = self.model.bottomLeftString
            } else if (index == 5) {
                self.textView.string = self.model.bottomCenterString
            } else if (index == 6) {
                self.textView.string = self.model.bottomRightString
            }
        }
    }
    
    override func layout() {
        super.layout()
        
        let leftMargin = self.contentInset.left
        let width: CGFloat = NSWidth(self.bounds)
        let contentWidth: CGFloat = width-leftMargin-self.contentInset.right
        
        let buttonSize: CGFloat = 22
        let buttonX: CGFloat = width-self.contentInset.right-buttonSize
        self.addButton.frame = NSMakeRect(buttonX, 0, buttonSize, buttonSize)
        
        self.selectAreaView.frame = NSMakeRect(leftMargin, self.titleLabel.frame.maxY+10, contentWidth, 40)
        self.textViewBox.frame = NSMakeRect(leftMargin, self.selectAreaView.frame.maxY+10, contentWidth, 80)
        self.scrollView.frame = NSMakeRect(leftMargin+1, self.selectAreaView.frame.maxY+11, contentWidth-2, 78)
        self.textView.frame = NSMakeRect(1, 1, contentWidth-2, 78)
    }
    
    override var model: KMHeaderFooterAdjectiveModel {
        get {
            return super.model
        }
        set {
            super.model = newValue
            
            self.selectAreaView.selectIndex(index: 1)
            self.selectedIndex = 1
            self.textView.string = model.topLeftString
        }
    }
    
    @objc private func addButtonAction() {
        guard let callback = self.addAction else {
            return
        }
        
        callback(self.selectedIndex, self.addButton)
    }
}

extension KMHeaderFooterContentInfoView: NSTextViewDelegate {
    func textDidChange(_ notification: Notification) {
        guard let callback = self.itemClick else {
            return
        }
        
        callback(self.selectedIndex, self.textView.string)
    }
}