//
// KMToolbarConfigViewController.swift
// PDF Reader Pro
//
// Created by tangchao on 2024/5/23.
//
import Cocoa
typealias KMToolbarConfigViewControllerCallback = (NSApplication.ModalResponse) -> Void
class KMToolbarConfigViewController: NSViewController {
@IBOutlet weak var showLabel: NSTextField!
@IBOutlet weak var collectionView: NSCollectionView!
@IBOutlet weak var removedLabel: NSTextField!
@IBOutlet weak var removedCollectionView: NSCollectionView!
@IBOutlet weak var tipLabel: NSTextField!
@IBOutlet weak var cancelButton: NSButton!
@IBOutlet weak var confirmButton: NSButton!
private let cellIdentifier_ = NSUserInterfaceItemIdentifier(rawValue: "ToolbarConfigCellIdentifier")
var model = KMToolbarConfigModel()
var callback: KMToolbarConfigViewControllerCallback?
deinit {
Swift.debugPrint("KMToolbarConfigViewController deinit.")
}
convenience init() {
self.init(nibName: "KMToolbarConfigViewController", bundle: nil)
}
override func viewDidLoad() {
super.viewDidLoad()
self.initDefalutValue()
}
func initDefalutValue() {
self.showLabel.stringValue = NSLocalizedString("Show", comment: "")
self.collectionView.delegate = self
self.collectionView.dataSource = self
self.collectionView.register(KMToolbarConfigViewItem.self, forItemWithIdentifier: self.cellIdentifier_)
(self.collectionView.collectionViewLayout as? NSCollectionViewFlowLayout)?.scrollDirection = .horizontal
self.collectionView.registerForDraggedTypes([NSPasteboard.PasteboardType.string])
self.collectionView.allowsMultipleSelection = false
self.collectionView.enclosingScrollView?.backgroundColor = .gridColor
self.removedLabel.stringValue = NSLocalizedString("Hide", comment: "")
self.removedCollectionView.delegate = self
self.removedCollectionView.dataSource = self
self.removedCollectionView.register(KMToolbarConfigViewItem.self, forItemWithIdentifier: self.cellIdentifier_)
(self.removedCollectionView.collectionViewLayout as? NSCollectionViewFlowLayout)?.scrollDirection = .horizontal
self.removedCollectionView.registerForDraggedTypes([NSPasteboard.PasteboardType.string])
self.removedCollectionView.isSelectable = true
self.tipLabel.stringValue = NSLocalizedString("Drag and drop to add, remove and reorder the tools.", comment: "")
self.cancelButton.title = NSLocalizedString("Cancel", comment: "")
self.cancelButton.target = self
self.cancelButton.action = #selector(buttonClick)
self.confirmButton.title = NSLocalizedString("Confirm", comment: "")
self.confirmButton.target = self
self.confirmButton.action = #selector(buttonClick)
}
@objc func buttonClick(_ sender: NSButton) {
var resp: NSApplication.ModalResponse = .cancel
if self.confirmButton.isEqual(to: sender) {
resp = .OK
}
guard let block = self.callback else {
return
}
block(resp)
}
}
extension KMToolbarConfigViewController: NSCollectionViewDelegate, NSCollectionViewDataSource, NSCollectionViewDelegateFlowLayout {
func numberOfSections(in collectionView: NSCollectionView) -> Int {
return 1
}
func collectionView(_ collectionView: NSCollectionView, numberOfItemsInSection section: Int) -> Int {
if self.removedCollectionView.isEqual(to: collectionView) {
return self.model.removedCellIdentifiers?.count ?? 0
}
if let cnt = self.model.allowedCellIdentifiers?.count {
return cnt + 2
}
return 0
}
func collectionView(_ collectionView: NSCollectionView, itemForRepresentedObjectAt indexPath: IndexPath) -> NSCollectionViewItem {
if self.removedCollectionView.isEqual(to: collectionView) {
let cell = collectionView.makeItem(withIdentifier: self.cellIdentifier_, for: indexPath) as! KMToolbarConfigViewItem
let itemId = self.model.removedCellIdentifiers?[indexPath.item] ?? ""
let item = KMToolbarConfigTBItemView(itemIdentifier: itemId)
self.model.setupMainItem(item)
cell.itemView = item
return cell
}
let cell = collectionView.makeItem(withIdentifier: self.cellIdentifier_, for: indexPath) as! KMToolbarConfigViewItem
if self.model.isFirstSegI(at: indexPath.item) {
cell.itemView = nil
} else if self.model.isSecondSegI(at: indexPath.item) {
cell.itemView = nil
} else {
var idx = indexPath.item
if self.model.isRight(at: idx) {
idx = idx - 2
} else if self.model.isCenter(at: idx) {
idx = idx - 1
}
let itemId = self.model.allowedCellIdentifiers?[idx] ?? ""
let item = KMToolbarConfigTBItemView(itemIdentifier: itemId)
self.model.setupMainItem(item)
cell.itemView = item
}
return cell
}
// Layout
func collectionView(_ collectionView: NSCollectionView, layout collectionViewLayout: NSCollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> NSSize {
if self.removedCollectionView.isEqual(to: collectionView) {
let itemId = self.model.removedCellIdentifiers?[indexPath.item] ?? ""
let item = KMToolbarItemView(itemIdentifier: itemId)
self.model.setupMainItem(item)
return NSSize(width: item.itemWidth, height: 48)
}
if self.model.isFirstSegI(at: indexPath.item) {
return NSSize(width: self.model.segItemWidth, height: 48)
} else if self.model.isSecondSegI(at: indexPath.item) {
return NSSize(width: self.model.segItemWidth, height: 48)
}
var idx = indexPath.item
if self.model.isRight(at: idx) {
idx = idx - 2
} else if self.model.isCenter(at: idx) {
idx = idx - 1
}
let itemId = self.model.allowedCellIdentifiers?[idx] ?? ""
let item = KMToolbarItemView(itemIdentifier: itemId)
self.model.setupMainItem(item)
return NSSize(width: item.itemWidth, height: 48)
}
// 纵向间距
func collectionView(_ collectionView: NSCollectionView, layout collectionViewLayout: NSCollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
return 5
}
// 横向间距
func collectionView(_ collectionView: NSCollectionView, layout collectionViewLayout: NSCollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
if self.removedCollectionView.isEqual(to: collectionView) {
return 12
}
return 5
}
func collectionView(_ collectionView: NSCollectionView, layout collectionViewLayout: NSCollectionViewLayout, insetForSectionAt section: Int) -> NSEdgeInsets {
return .init(top: 6, left: 10, bottom: 6, right: 10)
}
func collectionView(_ collectionView: NSCollectionView, shouldSelectItemsAt indexPaths: Set<IndexPath>) -> Set<IndexPath> {
return indexPaths
}
// Drag & Drop
func collectionView(_ collectionView: NSCollectionView, canDragItemsAt indexPaths: Set<IndexPath>, with event: NSEvent) -> Bool {
if self.removedCollectionView.isEqual(to: collectionView) {
return true
}
guard let ip = indexPaths.first else {
return false
}
if self.model.isSeg(at: ip.item) {
return false
}
return true
}
func collectionView(_ collectionView: NSCollectionView, pasteboardWriterForItemAt indexPath: IndexPath) -> NSPasteboardWriting? {
return String(indexPath.item) as NSPasteboardWriting
}
func collectionView(_ collectionView: NSCollectionView, validateDrop draggingInfo: NSDraggingInfo, proposedIndexPath proposedDropIndexPath: AutoreleasingUnsafeMutablePointer<NSIndexPath>, dropOperation proposedDropOperation: UnsafeMutablePointer<NSCollectionView.DropOperation>) -> NSDragOperation {
let draggingSource = draggingInfo.draggingSource as? NSCollectionView
if collectionView.isEqual(self.removedCollectionView) {
if self.collectionView.isEqual(to: draggingSource) {
return .copy
} else {
return .move
}
}
if collectionView.isEqual(self.collectionView) {
if self.removedCollectionView.isEqual(to: draggingSource) {
return .copy
} else {
return .move
}
}
return []
}
func collectionView(_ collectionView: NSCollectionView, acceptDrop draggingInfo: NSDraggingInfo, indexPath: IndexPath, dropOperation: NSCollectionView.DropOperation) -> Bool {
guard let draggingSource = draggingInfo.draggingSource as? NSCollectionView else {
return false
}
if collectionView.isEqual(self.removedCollectionView) {
let isIn = self.removedCollectionView.isEqual(to: draggingSource)
if isIn { // 暂不支持内部拖拽排序
return false
}
// 外部拖拽
if let data = draggingInfo.draggingPasteboard.pasteboardItems?.first?.string(forType: .string) {
if let itemIdx = Int(data) {
if self.model.removeItem(at: itemIdx) {
self.collectionView.reloadData()
self.removedCollectionView.reloadData()
return true
}
}
}
return false
}
// 显示区域
let isIn = self.collectionView.isEqual(to: draggingSource)
if isIn { // 内部拖拽
if let data = draggingInfo.draggingPasteboard.pasteboardItems?.first?.string(forType: .string) {
if let itemIdx = Int(data) {
if itemIdx == indexPath.item { // 无效拖拽
return false
}
if self.model.moveItem(itemIdx: itemIdx, to: indexPath.item) {
self.collectionView.reloadData()
return true
}
}
}
return false
}
// 外部拖拽
if let data = draggingInfo.draggingPasteboard.pasteboardItems?.first?.string(forType: .string) {
if let itemIdx = Int(data) {
if let itemId = self.model.removedCellIdentifiers?.safe_element(for: itemIdx) as? String {
if self.model.addItem(itemId: itemId, at: indexPath.item) {
self.collectionView.reloadData()
self.removedCollectionView.reloadData()
return true
}
}
}
}
return false
}
}