Implement Monaco theme editor

src/ScriptEditor/ui/OptionsModal.tsx

@@ -9,6 +9,10 @@ import Select from "@mui/material/Select";
 import Switch from "@mui/material/Switch";
 import MenuItem from "@mui/material/MenuItem";
 import TextField from "@mui/material/TextField";
+import EditIcon from '@mui/icons-material/Edit';
+import SaveIcon from '@mui/icons-material/Save';
+
+import { ThemeEditorModal } from "./ThemeEditorModal";
 
 interface IProps {
   options: Options;
@@ -23,6 +27,7 @@ export function OptionsModal(props: IProps): React.ReactElement {
   const [fontSize, setFontSize] = useState(props.options.fontSize);
   const [wordWrap, setWordWrap] = useState(props.options.wordWrap);
   const [vim, setVim] = useState(props.options.vim);
+  const [themeEditorOpen, setThemeEditorOpen] = useState(false);
 
   function save(): void {
     props.save({
@@ -43,6 +48,10 @@ export function OptionsModal(props: IProps): React.ReactElement {
 
   return (
     <Modal open={props.open} onClose={props.onClose}>
+      <ThemeEditorModal
+        open={themeEditorOpen}
+        onClose={() => setThemeEditorOpen(false)}
+      />
       <Box display="flex" flexDirection="row" alignItems="center">
         <Typography>Theme: </Typography>
         <Select onChange={(event) => setTheme(event.target.value)} value={theme}>
@@ -53,7 +62,11 @@ export function OptionsModal(props: IProps): React.ReactElement {
           <MenuItem value="light">light</MenuItem>
           <MenuItem value="dracula">dracula</MenuItem>
           <MenuItem value="one-dark">one-dark</MenuItem>
+          <MenuItem value="customTheme">Custom theme</MenuItem>
         </Select>
+        <Button onClick={() => setThemeEditorOpen(true)} sx={{ mx: 1 }} startIcon={<EditIcon />}>
+          Edit custom theme
+        </Button>
       </Box>
 
       <Box display="flex" flexDirection="row" alignItems="center">
@@ -80,7 +93,7 @@ export function OptionsModal(props: IProps): React.ReactElement {
         <TextField type="number" label="Font size" value={fontSize} onChange={onFontChange} />
       </Box>
       <br />
-      <Button onClick={save}>Save</Button>
+      <Button onClick={save} startIcon={<SaveIcon />}>Save</Button>
     </Modal>
   );
 }

src/ScriptEditor/ui/ScriptEditorRoot.tsx

@@ -25,7 +25,7 @@ import { Settings } from "../../Settings/Settings";
 import { iTutorialNextStep, ITutorial, iTutorialSteps } from "../../InteractiveTutorial";
 import { debounce } from "lodash";
 import { saveObject } from "../../SaveObject";
-import { loadThemes } from "./themes";
+import { loadThemes, makeTheme } from "./themes";
 import { GetServer } from "../../Server/AllServers";
 
 import Button from "@mui/material/Button";
@@ -362,6 +362,7 @@ export function Root(props: IProps): React.ReactElement {
     monaco.languages.typescript.javascriptDefaults.addExtraLib(source, "netscript.d.ts");
     monaco.languages.typescript.typescriptDefaults.addExtraLib(source, "netscript.d.ts");
     loadThemes(monaco);
+    monaco.editor.defineTheme("customTheme", makeTheme(Settings.EditorTheme));
   }
 
   // When the editor is mounted
@@ -1002,6 +1003,7 @@ export function Root(props: IProps): React.ReactElement {
             vim: Settings.MonacoVim,
           }}
           save={(options: Options) => {
+            monacoRef.current?.editor.defineTheme("customTheme", makeTheme(Settings.EditorTheme));
             setOptions(options);
             Settings.MonacoTheme = options.theme;
             Settings.MonacoInsertSpaces = options.insertSpaces;

src/ScriptEditor/ui/ThemeEditorModal.tsx

@@ -0,0 +1,268 @@
+import React, { useState } from "react";
+import { Modal } from "../../ui/React/Modal";
+import { defaultMonacoTheme } from "./themes";
+
+import Typography from "@mui/material/Typography";
+import Button from "@mui/material/Button";
+import Box from "@mui/material/Box";
+import Tooltip from "@mui/material/Tooltip";
+import TextField from "@mui/material/TextField";
+import IconButton from "@mui/material/IconButton";
+import ReplyIcon from "@mui/icons-material/Reply";
+import HistoryIcon from '@mui/icons-material/History';
+import SaveIcon from '@mui/icons-material/Save';
+
+import { Settings } from "../../Settings/Settings";
+import { OptionSwitch } from "../../ui/React/OptionSwitch";
+import _ from "lodash";
+
+import { Color, ColorPicker } from "material-ui-color";
+
+interface IProps {
+  onClose: () => void;
+  open: boolean;
+}
+
+interface IColorEditorProps {
+  label: string;
+  themePath: string;
+  color: string | undefined;
+  onColorChange: (name: string, value: string) => void;
+  defaultColor: string;
+}
+
+// Slightly tweaked version of the same function found in game options
+function ColorEditor({ label, themePath, onColorChange, color, defaultColor }: IColorEditorProps): React.ReactElement {
+  if (color === undefined) {
+    console.error(`color ${themePath} was undefined, reverting to default`);
+    color = defaultColor;
+  }
+
+  return (
+    <>
+      <Tooltip title={label}>
+        <span>
+          <TextField
+            label={themePath}
+            value={"#" + color}
+            sx={{ display: "block", my: 1 }}
+            InputProps={{
+              startAdornment: (
+                <>
+                  <ColorPicker
+                    hideTextfield
+                    deferred
+                    value={"#" + color}
+                    onChange={(newColor: Color) => onColorChange(themePath, newColor.hex)}
+                    disableAlpha
+                  />
+                </>
+              ),
+              endAdornment: (
+                <>
+                  <IconButton onClick={() => onColorChange(themePath, defaultColor)}>
+                    <ReplyIcon color="primary" />
+                  </IconButton>
+                </>
+              ),
+            }}
+          />
+        </span>
+      </Tooltip>
+    </>
+  );
+}
+
+export function ThemeEditorModal(props: IProps): React.ReactElement {
+  const setRerender = useState(false)[1];
+  function rerender(): void {
+    setRerender((o) => !o);
+  }
+
+  // Need to deep copy the object since it has nested attributes
+  const [themeCopy, setThemeCopy] = useState(JSON.parse(JSON.stringify(Settings.EditorTheme)));
+
+  function onColorChange(name: string, value: string): void {
+    setThemeCopy(_.set(themeCopy, name, value));
+    rerender();
+  }
+
+  function onThemeChange(event: React.ChangeEvent<HTMLInputElement>): void {
+    try {
+      const importedTheme = JSON.parse(event.target.value);
+      if (typeof importedTheme !== "object") return;
+      setThemeCopy(importedTheme);
+    } catch (err) {
+      // ignore
+    }
+  }
+
+  return (
+    <Modal open={props.open} onClose={props.onClose}>
+      <Typography variant="h4">Customize Editor theme</Typography>
+      <Typography>Hover over input boxes for more information</Typography>
+      <OptionSwitch
+        checked={themeCopy.base === "vs"}
+        onChange={(val) => {
+          setThemeCopy(_.set(themeCopy, "base", val ? "vs" : "vs-dark"));
+          rerender();
+        }}
+        text="Use light theme as base"
+        tooltip={
+          <>
+            If enabled, the vs light theme will be used as the
+            theme base, otherwise, vs-dark will be used.
+          </>
+        }
+      />
+      <Box display="grid" sx={{ gridTemplateColumns: "1fr 1fr", width: "fit-content", gap: 1 }}>
+        <Box>
+          <Typography variant="h6">UI</Typography>
+          <ColorEditor
+            label="Background color"
+            themePath="common.bg"
+            onColorChange={onColorChange}
+            color={themeCopy.common.bg}
+            defaultColor={defaultMonacoTheme.common.bg}
+          />
+          <ColorEditor
+            label="Current line and minimap background color"
+            themePath="ui.line"
+            onColorChange={onColorChange}
+            color={themeCopy.ui.line}
+            defaultColor={defaultMonacoTheme.ui.line}
+          />
+          <ColorEditor
+            label="Base text color"
+            themePath="common.fg"
+            onColorChange={onColorChange}
+            color={themeCopy.common.fg}
+            defaultColor={defaultMonacoTheme.common.fg}
+          />
+          <ColorEditor
+            label="Popup background color"
+            themePath="ui.panel.bg"
+            onColorChange={onColorChange}
+            color={themeCopy.ui.panel.bg}
+            defaultColor={defaultMonacoTheme.ui.panel.bg}
+          />
+          <ColorEditor
+            label="Background color for selected item in popup"
+            themePath="ui.panel.selected"
+            onColorChange={onColorChange}
+            color={themeCopy.ui.panel.selected}
+            defaultColor={defaultMonacoTheme.ui.panel.selected}
+          />
+          <ColorEditor
+            label="Popup border color"
+            themePath="ui.panel.border"
+            onColorChange={onColorChange}
+            color={themeCopy.ui.panel.border}
+            defaultColor={defaultMonacoTheme.ui.panel.border}
+          />
+          <ColorEditor
+            label="Background color of highlighted text"
+            themePath="ui.selection.bg"
+            onColorChange={onColorChange}
+            color={themeCopy.ui.selection.bg}
+            defaultColor={defaultMonacoTheme.ui.selection.bg}
+          />
+        </Box>
+        <Box>
+          <Typography variant="h6">Syntax</Typography>
+          <ColorEditor
+            label="Numbers, func names, and other key vars"
+            themePath="common.accent"
+            onColorChange={onColorChange}
+            color={themeCopy.common.accent}
+            defaultColor={defaultMonacoTheme.common.accent}
+          />
+          <ColorEditor
+            label="Keywords"
+            themePath="syntax.keyword"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.keyword}
+            defaultColor={defaultMonacoTheme.syntax.keyword}
+          />
+          <ColorEditor
+            label="Strings"
+            themePath="syntax.string"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.string}
+            defaultColor={defaultMonacoTheme.syntax.string}
+          />
+          <ColorEditor
+            label="Regexp literals as well as escapes within strings"
+            themePath="syntax.regexp"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.regexp}
+            defaultColor={defaultMonacoTheme.syntax.regexp}
+          />
+          <ColorEditor
+            label="Constants"
+            themePath="syntax.constant"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.constant}
+            defaultColor={defaultMonacoTheme.syntax.constant}
+          />
+          <ColorEditor
+            label="Entities"
+            themePath="syntax.entity"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.entity}
+            defaultColor={defaultMonacoTheme.syntax.entity}
+          />
+          <ColorEditor
+            label="'this', 'ns', types, and tags"
+            themePath="syntax.tag"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.tag}
+            defaultColor={defaultMonacoTheme.syntax.tag}
+          />
+          <ColorEditor
+            label="Netscript functions and constructors"
+            themePath="syntax.markup"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.markup}
+            defaultColor={defaultMonacoTheme.syntax.markup}
+          />
+          <ColorEditor
+            label="Errors"
+            themePath="syntax.error"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.error}
+            defaultColor={defaultMonacoTheme.syntax.error}
+          />
+          <ColorEditor
+            label="Comments"
+            themePath="syntax.comment"
+            onColorChange={onColorChange}
+            color={themeCopy.syntax.comment}
+            defaultColor={defaultMonacoTheme.syntax.comment}
+          />
+        </Box>
+      </Box>
+      <TextField
+        multiline
+        fullWidth
+        maxRows={10}
+        label={"import / export theme"}
+        value={JSON.stringify(themeCopy, undefined, 2)}
+        onChange={onThemeChange}
+      />
+      <Box sx={{ my: 1 }}>
+        <Button onClick={() => {
+          Settings.EditorTheme = { ...themeCopy };
+          props.onClose()
+        }} startIcon={<SaveIcon />}>Save</Button>
+        <Button
+          onClick={() => {
+            setThemeCopy(defaultMonacoTheme);
+            rerender();
+          }}
+          startIcon={<HistoryIcon />}
+        >Reset to default</Button>
+      </Box>
+    </Modal>
+  )
+}