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5e8ff485 RBR |
1 | import Cocoa |
2 | import SwiftUI | |
3 | ||
4 | class MapTextEditorController: NSViewController { | |
5 | ||
6 | @Binding var text: String | |
77d0155b | 7 | var colorScheme: ColorScheme |
5e8ff485 | 8 | |
77d0155b RBR |
9 | private let vertexRegex = MapParsingPatterns.vertex |
10 | private let edgeRegex = MapParsingPatterns.edge | |
11 | private let blockerRegex = MapParsingPatterns.blocker | |
12 | private let opportunityRegex = MapParsingPatterns.opportunity | |
13 | private let stageRegex = MapParsingPatterns.stage | |
14 | ||
15 | private let debouncer: Debouncer = Debouncer(seconds: 0.2) | |
16 | ||
17 | init(text: Binding<String>, colorScheme: ColorScheme) { | |
5e8ff485 | 18 | self._text = text |
77d0155b | 19 | self.colorScheme = colorScheme |
5e8ff485 RBR |
20 | super.init(nibName: nil, bundle: nil) |
21 | } | |
22 | ||
23 | required init?(coder: NSCoder) { | |
24 | fatalError("init(coder:) has not been implemented") | |
25 | } | |
26 | ||
27 | override func loadView() { | |
28 | let scrollView = NSTextView.scrollableTextView() | |
29 | let textView = scrollView.documentView as! NSTextView | |
30 | ||
31 | scrollView.translatesAutoresizingMaskIntoConstraints = false | |
32 | ||
75a0e450 | 33 | textView.allowsUndo = true |
5e8ff485 | 34 | textView.delegate = self |
77d0155b | 35 | textView.textStorage?.delegate = self |
5e8ff485 RBR |
36 | textView.string = self.text |
37 | textView.isEditable = true | |
38 | textView.font = .monospacedSystemFont(ofSize: 16.0, weight: .regular) | |
39 | self.view = scrollView | |
40 | } | |
41 | ||
42 | override func viewDidAppear() { | |
43 | self.view.window?.makeFirstResponder(self.view) | |
44 | } | |
77d0155b RBR |
45 | |
46 | func updateColorScheme(_ colorScheme: ColorScheme) { | |
47 | self.colorScheme = colorScheme | |
48 | } | |
5e8ff485 RBR |
49 | } |
50 | ||
51 | extension MapTextEditorController: NSTextViewDelegate { | |
52 | ||
53 | func textDidChange(_ obj: Notification) { | |
54 | if let textField = obj.object as? NSTextView { | |
55 | self.text = textField.string | |
56 | } | |
57 | } | |
58 | ||
59 | func textView(_ view: NSTextView, shouldChangeTextIn: NSRange, replacementString: String?) -> Bool | |
60 | { | |
61 | let range = Range(shouldChangeTextIn, in: view.string) | |
62 | let target = view.string[range!] | |
63 | ||
64 | if target == "--" { | |
65 | return false | |
66 | } | |
67 | ||
68 | return true | |
69 | } | |
70 | } | |
71 | ||
77d0155b RBR |
72 | extension MapTextEditorController: NSTextStorageDelegate { |
73 | override func textStorageDidProcessEditing(_ obj: Notification) { | |
74 | if let textStorage = obj.object as? NSTextStorage { | |
75 | debouncer.debounce { | |
76 | DispatchQueue.main.async { | |
77 | self.colorizeText(textStorage: textStorage) | |
78 | } | |
79 | } | |
80 | } | |
81 | } | |
82 | ||
83 | private func colorizeText(textStorage: NSTextStorage) { | |
84 | let range = NSMakeRange(0, textStorage.length) | |
85 | var matches = vertexRegex.matches(in: textStorage.string, options: [], range: range) | |
86 | let colors = MapColor.colorForScheme(colorScheme) | |
87 | ||
88 | for match in matches { | |
89 | textStorage.addAttributes([.foregroundColor: colors.syntax.vertex], range: match.range(at: 1)) | |
90 | textStorage.addAttributes([.foregroundColor: colors.syntax.number], range: match.range(at: 2)) | |
91 | textStorage.addAttributes([.foregroundColor: colors.syntax.number], range: match.range(at: 3)) | |
92 | textStorage.addAttributes([.foregroundColor: colors.syntax.option], range: match.range(at: 4)) | |
93 | } | |
94 | ||
95 | matches = edgeRegex.matches(in: textStorage.string, options: [], range: range) | |
96 | ||
97 | for match in matches { | |
98 | textStorage.addAttributes([.foregroundColor: colors.syntax.vertex], range: match.range(at: 1)) | |
99 | let arrowRange = match.range(at: 2) | |
100 | textStorage.addAttributes( | |
101 | [.foregroundColor: colors.syntax.symbol], | |
102 | range: NSMakeRange(arrowRange.lowerBound - 1, arrowRange.length + 1)) | |
103 | textStorage.addAttributes([.foregroundColor: colors.syntax.vertex], range: match.range(at: 3)) | |
104 | } | |
105 | ||
106 | matches = opportunityRegex.matches(in: textStorage.string, options: [], range: range) | |
107 | ||
108 | for match in matches { | |
109 | textStorage.addAttributes([.foregroundColor: colors.syntax.option], range: match.range(at: 1)) | |
110 | textStorage.addAttributes([.foregroundColor: colors.syntax.vertex], range: match.range(at: 2)) | |
111 | textStorage.addAttributes([.foregroundColor: colors.syntax.symbol], range: match.range(at: 3)) | |
112 | textStorage.addAttributes([.foregroundColor: colors.syntax.number], range: match.range(at: 4)) | |
113 | } | |
114 | ||
115 | matches = blockerRegex.matches(in: textStorage.string, options: [], range: range) | |
116 | ||
117 | for match in matches { | |
118 | textStorage.addAttributes([.foregroundColor: colors.syntax.option], range: match.range(at: 1)) | |
119 | textStorage.addAttributes([.foregroundColor: colors.syntax.vertex], range: match.range(at: 2)) | |
120 | } | |
121 | ||
122 | matches = stageRegex.matches(in: textStorage.string, options: [], range: range) | |
123 | ||
124 | for match in matches { | |
125 | textStorage.addAttributes([.foregroundColor: colors.syntax.option], range: match.range(at: 1)) | |
126 | textStorage.addAttributes([.foregroundColor: colors.syntax.number], range: match.range(at: 2)) | |
127 | } | |
128 | } | |
129 | } | |
130 | ||
5e8ff485 RBR |
131 | struct MapTextEditor: NSViewControllerRepresentable { |
132 | ||
133 | @Binding var text: String | |
77d0155b | 134 | let colorScheme: ColorScheme |
5e8ff485 RBR |
135 | |
136 | func makeNSViewController( | |
137 | context: NSViewControllerRepresentableContext<MapTextEditor> | |
138 | ) -> MapTextEditorController { | |
77d0155b | 139 | return MapTextEditorController(text: $text, colorScheme: colorScheme) |
5e8ff485 RBR |
140 | } |
141 | ||
142 | func updateNSViewController( | |
143 | _ nsViewController: MapTextEditorController, | |
144 | context: NSViewControllerRepresentableContext<MapTextEditor> | |
145 | ) { | |
77d0155b | 146 | nsViewController.updateColorScheme(context.environment.colorScheme) |
5e8ff485 RBR |
147 | } |
148 | } |