PDF_Office/PDF Office/PDF Master/KMClass/KMPDFViewController/EditTool/Background/Views/KMBGTemplateItem.swift

//
//  KMBGTemplateItem.swift
//  PDF Reader Pro
//
//  Created by Niehaoyu on 2024/11/7.
//

import Cocoa
import KMComponentLibrary

@objc protocol KMBGTemplateItemDelegate: AnyObject {
    
    @objc optional func kmNBGTemplateItemDidEdit(_ view: KMBGTemplateItem)
    
    @objc optional func kmNBGTemplateItemDidDelete(_ view: KMBGTemplateItem)
     
    @objc optional func kmNBGTemplateItemDidUpdateSelectedState(_ view: KMBGTemplateItem)
 
}

class KMBGTemplateItem: NSCollectionViewItem {
  
    @IBOutlet var watermarkItem: ComponentCardWatermark!
    
    @IBOutlet var iconImage: NSImageView!
    @IBOutlet var iconImageWidthConst: NSLayoutConstraint!
    @IBOutlet var iconImageHeightConst: NSLayoutConstraint!
    
    var backgroundModel: KMBackgroundModel?
    
    var itemSelected: Bool = false
    
    weak open var delegate: KMBGTemplateItemDelegate?

    var watermarkProperty: ComponentCardWMProperty = ComponentCardWMProperty(state: .normal, icon: nil, text: "Sample Text", editIcon: NSImage(named: "watermark_edit"), deleteIcon: NSImage(named: "pageEdit_delete"))
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
         
        watermarkItem.properties = watermarkProperty
        watermarkItem.delegate = self
//        watermarkItem.setTarget(self, action: #selector(itemClicked(_:)))
    }
    
    //Setter
    override var isSelected: Bool {
        get{
            return super.isSelected
        }
        set{
            super.isSelected = newValue

            reloadData()
        }
    }
    
    func reloadData() {
        watermarkItem.properties.icon = backgroundModel?.modelPreviewImage()
        watermarkItem.properties.state = isSelected ? .pressed : .normal
        watermarkItem.properties.text = backgroundModel?.name
        watermarkItem.reloadData()
        
    }
    
    @objc func itemClicked(_ item: ComponentCardWatermark) {
        itemSelected = !itemSelected
        
        reloadData()
        
        delegate?.kmNBGTemplateItemDidUpdateSelectedState?(self)
    }
}


//MARK: - ComponentCardWatermarkDelegate
extension KMBGTemplateItem: ComponentCardWatermarkDelegate {
    func componentSliderDidEdit(_ view: ComponentCardWatermark) {
        delegate?.kmNBGTemplateItemDidEdit?(self)
    }
    
    func componentSliderDidDelete(_ view: ComponentCardWatermark) {
        delegate?.kmNBGTemplateItemDidDelete?(self)
    }
}