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 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: map.content ?? "", evolution: Stage.stages(state.selectedEvolution))
  42
  43     let view = NSHostingView(rootView: renderView)
  44     window.contentView = view
  45
  46     let imageRepresentation = view.bitmapImageRepForCachingDisplay(in: view.bounds)!
  47     view.cacheDisplay(in: view.bounds, to: imageRepresentation)
  48     let image = NSImage(cgImage: imageRepresentation.cgImage!, size: view.bounds.size)
  49
  50     let dialog = NSSavePanel()
  51
  52     dialog.title = "Save Map"
  53     dialog.showsResizeIndicator = false
  54     dialog.canCreateDirectories = true
  55     dialog.showsHiddenFiles = false
  56     dialog.allowedFileTypes = ["png"]
  57     dialog.nameFieldStringValue = map.title ?? "Untitled Map"
  58
  59     if dialog.runModal() == NSApplication.ModalResponse.OK {
  60       let result = dialog.url
  61
  62       if result != nil {
  63
  64         image.writePNG(toURL: result!)
  65         print("saved at \(result!)")
  66       }
  67     } else {
  68       print("Cancel")
  69     }
  70     window.orderOut(nil)
  71
  72   case .exportMapAsText(let map):
  73     let dialog = NSSavePanel()
  74
  75     dialog.title = "Save Map Text"
  76     dialog.showsResizeIndicator = false
  77     dialog.canCreateDirectories = true
  78     dialog.showsHiddenFiles = false
  79     dialog.allowedFileTypes = ["txt"]
  80     dialog.nameFieldStringValue = map.title ?? "Untitled Map"
  81
  82     if let content = map.content {
  83
  84       if dialog.runModal() == NSApplication.ModalResponse.OK {
  85         let result = dialog.url
  86
  87         if let result = result {
  88           try? content.write(to: result, atomically: true, encoding: String.Encoding.utf8)
  89         }
  90       } else {
  91         print("Cancel")
  92       }
  93     }
  94   case .deleteMap(map: let map):
  95     let context = PersistenceController.shared.container.viewContext
  96     context.delete(map)
  97
  98     try? context.save()
  99   }
 100 }
 101
 102 typealias AppStore = Store<AppState, AppAction>