aboutsummaryrefslogtreecommitdiff
path: root/Map/Presentation/Base Components/MapTextEditor.swift
blob: d7aa9f86b18eb0cef014a3b7dbe40af2a1214abc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
import Cocoa
import SwiftUI

class MapTextEditorController: NSViewController {

  @Binding var document: MapDocument
  let onChange: () -> Void

  private let vertexRegex = MapParsingPatterns.vertex
  private let edgeRegex = MapParsingPatterns.edge
  private let blockerRegex = MapParsingPatterns.blocker
  private let opportunityRegex = MapParsingPatterns.opportunity
  private let noteRegex = MapParsingPatterns.note
  private let stageRegex = MapParsingPatterns.stage
  private let groupRegex = MapParsingPatterns.group

  private let changeDebouncer: Debouncer = Debouncer(seconds: 1)

  init(document: Binding<MapDocument>, onChange: @escaping () -> Void) {
    self._document = document
    self.onChange = onChange
    super.init(nibName: nil, bundle: nil)
  }

  required init?(coder: NSCoder) {
    fatalError("init(coder:) has not been implemented")
  }

  override func loadView() {
    let scrollView = NSTextView.scrollableTextView()
    let textView = scrollView.documentView as! NSTextView

    scrollView.translatesAutoresizingMaskIntoConstraints = false

    textView.backgroundColor = .ui.background
    textView.allowsUndo = true
    textView.delegate = self
    textView.textStorage?.delegate = self
    textView.string = self.document.text
    textView.isEditable = true
    textView.font = .monospacedSystemFont(ofSize: 16.0, weight: .regular)
    self.view = scrollView
  }

  override func viewDidAppear() {
    self.view.window?.makeFirstResponder(self.view)
  }
}

extension MapTextEditorController: NSTextViewDelegate {

  func textDidChange(_ obj: Notification) {
    if let textField = obj.object as? NSTextView {
      self.document.text = textField.string

      changeDebouncer.debounce {
        DispatchQueue.main.async {
          self.onChange()
        }
      }
    }
  }

  func textView(_ view: NSTextView, shouldChangeTextIn: NSRange, replacementString: String?) -> Bool
  {
    let range = Range(shouldChangeTextIn, in: view.string)
    let target = view.string[range!]

    if target == "--" {
      return false
    }

    return true
  }
}

extension MapTextEditorController: NSTextStorageDelegate {

  override func textStorageDidProcessEditing(_ obj: Notification) {
    if let textStorage = obj.object as? NSTextStorage {
      self.colorizeText(textStorage: textStorage)
    }
  }

  private func colorizeText(textStorage: NSTextStorage) {
    let range = NSMakeRange(0, textStorage.length)
    var matches = vertexRegex.matches(in: textStorage.string, options: [], range: range)

    for match in matches {
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.vertex], range: match.range(at: 1))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.number], range: match.range(at: 2))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.number], range: match.range(at: 3))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.option], range: match.range(at: 4))
    }

    matches = edgeRegex.matches(in: textStorage.string, options: [], range: range)

    for match in matches {
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.vertex], range: match.range(at: 1))
      let arrowRange = match.range(at: 2)
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.symbol],
        range: NSMakeRange(arrowRange.lowerBound - 1, arrowRange.length + 1))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.vertex], range: match.range(at: 3))
    }

    matches = opportunityRegex.matches(in: textStorage.string, options: [], range: range)

    for match in matches {
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.option], range: match.range(at: 1))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.vertex], range: match.range(at: 2))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.symbol], range: match.range(at: 3))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.number], range: match.range(at: 4))
    }

    matches = blockerRegex.matches(in: textStorage.string, options: [], range: range)

    for match in matches {
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.option], range: match.range(at: 1))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.vertex], range: match.range(at: 2))
    }

    matches = noteRegex.matches(in: textStorage.string, options: [], range: range)

    for match in matches {
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.option], range: match.range(at: 1))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.number], range: match.range(at: 2))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.number], range: match.range(at: 3))
    }

    matches = stageRegex.matches(in: textStorage.string, options: [], range: range)

    for match in matches {
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.option], range: match.range(at: 1))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.number], range: match.range(at: 2))
    }

    matches = groupRegex.matches(in: textStorage.string, options: [], range: range)

    for match in matches {
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.option], range: match.range(at: 1))
      textStorage.addAttributes(
        [.foregroundColor: NSColor.syntax.vertex], range: match.range(at: 2))
    }
  }
}

struct MapTextEditor: NSViewControllerRepresentable {

  @Binding var document: MapDocument
  var onChange: () -> Void = {}

  func makeNSViewController(
    context: NSViewControllerRepresentableContext<MapTextEditor>
  ) -> MapTextEditorController {
    return MapTextEditorController(document: $document, onChange: onChange)
  }

  func updateNSViewController(
    _ nsViewController: MapTextEditorController,
    context: NSViewControllerRepresentableContext<MapTextEditor>
  ) {}
}