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

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