git.r.bdr.sh - rbdr/map/blob - Map/Data/AppState.swift

   1 import Cocoa
   2 import Foundation
   3 import SwiftUI
   4
   5 struct AppState {
   6   var selectedEvolution: StageType = .general
   7 }
   8
   9 enum AppAction {
  10   case selectEvolution(evolution: StageType)
  11   case exportMapAsImage(map: Map)
  12   case exportMapAsText(map: Map)
  13   case deleteMap(map: Map)
  14 }
  15
  16 func appStateReducer(state: inout AppState, action: AppAction) {
  17
  18   switch action {
  19
  20   case .selectEvolution(let evolution):
  21     state.selectedEvolution = evolution
  22
  23   case .exportMapAsImage(let map):
  24     let window = NSWindow(
  25       contentRect: .init(
  26         origin: .zero,
  27         size: .init(
  28           width: NSScreen.main!.frame.width,
  29           height: NSScreen.main!.frame.height)),
  30       styleMask: [.closable],
  31       backing: .buffered,
  32       defer: false)
  33
  34     window.title = map.title ?? "Untitled Map"
  35     window.isOpaque = true
  36     window.center()
  37     window.isMovableByWindowBackground = true
  38     window.makeKeyAndOrderFront(nil)
  39
  40     let renderView = MapRenderView(
  41       content: Binding.constant(map.content ?? ""),
  42       evolution: Binding.constant(state.selectedEvolution))
  43
  44     let view = NSHostingView(rootView: renderView)
  45     window.contentView = view
  46
  47     let imageRepresentation = view.bitmapImageRepForCachingDisplay(in: view.bounds)!
  48     view.cacheDisplay(in: view.bounds, to: imageRepresentation)
  49     let image = NSImage(cgImage: imageRepresentation.cgImage!, size: view.bounds.size)
  50
  51     let dialog = NSSavePanel()
  52
  53     dialog.title = "Save Map"
  54     dialog.showsResizeIndicator = false
  55     dialog.canCreateDirectories = true
  56     dialog.showsHiddenFiles = false
  57     dialog.allowedContentTypes = [.png]
  58     dialog.nameFieldStringValue = map.title ?? "Untitled Map"
  59
  60     if dialog.runModal() == NSApplication.ModalResponse.OK {
  61       let result = dialog.url
  62
  63       if result != nil {
  64
  65         image.writePNG(toURL: result!)
  66         print("saved at \(result!)")
  67       }
  68     } else {
  69       print("Cancel")
  70     }
  71     window.orderOut(nil)
  72
  73   case .exportMapAsText(let map):
  74     let dialog = NSSavePanel()
  75
  76     dialog.title = "Save Map Text"
  77     dialog.showsResizeIndicator = false
  78     dialog.canCreateDirectories = true
  79     dialog.showsHiddenFiles = false
  80     dialog.allowedContentTypes = [.text]
  81     dialog.nameFieldStringValue = map.title ?? "Untitled Map"
  82
  83     if let content = map.content {
  84
  85       if dialog.runModal() == NSApplication.ModalResponse.OK {
  86         let result = dialog.url
  87
  88         if let result = result {
  89           try? content.write(to: result, atomically: true, encoding: String.Encoding.utf8)
  90         }
  91       } else {
  92         print("Cancel")
  93       }
  94     }
  95   case .deleteMap(let map):
  96     let context = PersistenceController.shared.container.viewContext
  97     context.delete(map)
  98
  99     try? context.save()
 100   }
 101 }
 102
 103 typealias AppStore = Store<AppState, AppAction>