| 1 | <script lang="ts"> |
| 2 | import {keymap, drawSelection, highlightActiveLine, dropCursor, |
| 3 | rectangularSelection, crosshairCursor, |
| 4 | lineNumbers, highlightActiveLineGutter, EditorView} from "@codemirror/view"; |
| 5 | import {EditorState, Compartment} from "@codemirror/state" |
| 6 | import {defaultKeymap, history, indentWithTab } from "@codemirror/commands"; |
| 7 | import { onMount, tick } from "svelte"; |
| 8 | import { writable } from "svelte/store"; |
| 9 | import { saveFile, updateSaveState } from "./File"; |
| 10 | import { appSettings } from "../config/config"; |
| 11 | import { warn } from "tauri-plugin-log-api"; |
| 12 | import { foldGutter, bracketMatching, indentUnit, syntaxHighlighting } from "@codemirror/language"; |
| 13 | import { closeBrackets } from "@codemirror/autocomplete"; |
| 14 | import { indentationMarkers } from '@replit/codemirror-indentation-markers'; |
| 15 | import { editorHighlightStyle, editorTheme, getThemeProperty, is_dark_theme } from "../config/themehandler"; |
| 16 | import { autocompletion } from "@codemirror/autocomplete"; |
| 17 | |
| 18 | |
| 19 | |
| 20 | let ref; |
| 21 | let editorView: EditorView; |
| 22 | export let hidden = false; |
| 23 | export let content = ""; |
| 24 | const file_info = writable({ |
| 25 | "filename": "", |
| 26 | "path": "", |
| 27 | "fileType": "", |
| 28 | "language": "", |
| 29 | "encoding": "", |
| 30 | "hasBom": false, |
| 31 | "spaces": 0, |
| 32 | "readonly": false, |
| 33 | }); |
| 34 | const lang = new Compartment(); |
| 35 | const tabSize = new Compartment(); |
| 36 | const indentSize = new Compartment(); |
| 37 | const colorScheme = new Compartment(); |
| 38 | const theme = new Compartment(); |
| 39 | const fontFamily = new Compartment(); |
| 40 | const fontSize = new Compartment(); |
| 41 | |
| 42 | export function updateFileInfo(file) { |
| 43 | file_info.set(file); |
| 44 | } |
| 45 | export function getFileInfo() { |
| 46 | return $file_info; |
| 47 | } |
| 48 | export function getFileContent() { |
| 49 | return content; |
| 50 | } |
| 51 | export async function getLang(ext) { |
| 52 | if (ext === "txt") { |
| 53 | return "Plain Text"; |
| 54 | } |
| 55 | let language = getLangFromExt(ext); |
| 56 | if (language) { |
| 57 | const mode = await language.load(); |
| 58 | if (!mode) { |
| 59 | warn(`Syntax highlighting not supported for ${language.name}.`, {file: "Editor.svelte", line: 46}); |
| 60 | } |
| 61 | else { |
| 62 | setLangMode(mode); |
| 63 | } |
| 64 | return language.name; |
| 65 | } |
| 66 | warn(`Language not found or extension "${ext}" not supported.`, {file: "Editor.svelte", line: 53}); |
| 67 | return "Unknown"; |
| 68 | } |
| 69 | function setLangMode(mode) { |
| 70 | editorView.dispatch({ |
| 71 | effects: lang.reconfigure(mode) |
| 72 | }) |
| 73 | } |
| 74 | export function getEncoding() { |
| 75 | return $file_info.encoding; |
| 76 | } |
| 77 | export function hasBom() { |
| 78 | return $file_info.hasBom; |
| 79 | } |
| 80 | export function getSpaces() { |
| 81 | return $file_info.spaces; |
| 82 | } |
| 83 | export function getView() { |
| 84 | return editorView; |
| 85 | } |
| 86 | export function setTabSize(size) { |
| 87 | spaces.set(size); |
| 88 | editorView.dispatch({ |
| 89 | effects: tabSize.reconfigure(EditorState.tabSize.of(size)) |
| 90 | }) |
| 91 | setIndentSize(size) |
| 92 | } |
| 93 | function setIndentSize(size) { |
| 94 | editorView.dispatch({ |
| 95 | effects: indentSize.reconfigure(indentUnit.of(" ".repeat(size))) |
| 96 | }) |
| 97 | } |
| 98 | export function setScheme(scheme) { |
| 99 | editorView.dispatch({ |
| 100 | effects: colorScheme.reconfigure(EditorView.darkTheme.of(scheme)) |
| 101 | }) |
| 102 | } |
| 103 | export function setTheme() { |
| 104 | editorView.dispatch({ |
| 105 | effects: theme.reconfigure([get(editorTheme), syntaxHighlighting(get(editorHighlightStyle))]) |
| 106 | }) |
| 107 | } |
| 108 | export function setFontFamily(family: string) { |
| 109 | editorView.dispatch({ |
| 110 | effects: fontFamily.reconfigure(EditorView.theme( |
| 111 | { |
| 112 | "*": { fontFamily: family } |
| 113 | })) |
| 114 | }) |
| 115 | } |
| 116 | export function setFontSize(size: number) { |
| 117 | editorView.dispatch({ |
| 118 | effects: fontSize.reconfigure(EditorView.theme( |
| 119 | { |
| 120 | "*": { fontSize: `${size}px` } |
| 121 | })) |
| 122 | }) |
| 123 | } |
| 124 | |
| 125 | onMount(async () => { |
| 126 | editorView = new EditorView({ |
| 127 | parent: ref, |
| 128 | state: EditorState.create({ |
| 129 | extensions: [ |
| 130 | lineNumbers(), |
| 131 | foldGutter({openText:"▼", closedText: "►"}), |
| 132 | bracketMatching(), |
| 133 | closeBrackets(), |
| 134 | highlightActiveLineGutter(), |
| 135 | //highlightSpecialChars(), // disabled as an attempt to hide bom for now |
| 136 | highlightActiveLine(), |
| 137 | dropCursor(), |
| 138 | history(), |
| 139 | drawSelection(), |
| 140 | crosshairCursor(), |
| 141 | rectangularSelection(), |
| 142 | autocompletion({ |
| 143 | aboveCursor: true, |
| 144 | closeOnBlur: false |
| 145 | }), |
| 146 | indentSize.of(indentUnit.of(" ")), |
| 147 | indentationMarkers({ |
| 148 | thickness: 1, |
| 149 | colors: { |
| 150 | dark: getThemeProperty("editor-gutterForeground"), |
| 151 | activeDark: getThemeProperty("editor-activeIndentLineColor"), |
| 152 | light: getThemeProperty("editor-gutterForeground"), |
| 153 | activeLight: getThemeProperty("editor-activeIndentLineColor") |
| 154 | } |
| 155 | }), |
| 156 | keymap.of([indentWithTab]), |
| 157 | lang.of([]), |
| 158 | EditorState.allowMultipleSelections.of(true), |
| 159 | theme.of([]), |
| 160 | fontFamily.of([]), |
| 161 | fontSize.of([]), |
| 162 | colorScheme.of(EditorView.darkTheme.of($is_dark_theme)), |
| 163 | keymap.of([ |
| 164 | ...defaultKeymap |
| 165 | ]), |
| 166 | EditorView.updateListener.of(async update => { |
| 167 | if (update.docChanged) { |
| 168 | await updateContent(); |
| 169 | } |
| 170 | if (update.state.selection.ranges.some(r => !r.empty)) { |
| 171 | updateLineInfo(); |
| 172 | } |
| 173 | }), |
| 174 | tabSize.of(EditorState.tabSize.of(4)) |
| 175 | ], |
| 176 | doc: content |
| 177 | }) |
| 178 | }) |
| 179 | editorView.contentDOM.classList.add("mousetrap"); |
| 180 | setTheme(); |
| 181 | setFontSize(await appSettings.get("editor.fontSize")); |
| 182 | setFontFamily(await appSettings.get("editor.fontFamily")); |
| 183 | setEditorLineHeight(await appSettings.get("editor.lineHeight")); |
| 184 | }); |
| 185 | |
| 186 | let _ = null; |
| 187 | async function updateContent() { |
| 188 | await tick(); |
| 189 | content = editorView.state.doc.toString(); |
| 190 | if (await appSettings.get("editor.autosave") === "true") { |
| 191 | clearTimeout(_); |
| 192 | _ = setTimeout(async () => { |
| 193 | if (!$file_info.path || $file_info.path === $file_info.filename || $file_info.path === "") { |
| 194 | console.warn("No path found. Cannot save"); |
| 195 | return; |
| 196 | } |
| 197 | else { |
| 198 | await saveFile(); |
| 199 | } |
| 200 | }, 1000) |
| 201 | } |
| 202 | else { |
| 203 | updateSaveState(false); |
| 204 | } |
| 205 | updateLineInfo(); |
| 206 | } |
| 207 | export async function focus() { |
| 208 | // takes two ticks to focus for some reason |
| 209 | await tick(); |
| 210 | await tick(); |
| 211 | editorView.focus(); |
| 212 | updateLineInfo(); |
| 213 | language.set($file_info.language); |
| 214 | encoding.set({value: $file_info.encoding, hasBom: $file_info.hasBom}); |
| 215 | setTabSize($file_info.spaces); |
| 216 | } |
| 217 | export function updateLineInfo() { |
| 218 | let lineNumber = editorView.state.doc.lineAt(editorView.state.selection.main.head).number; |
| 219 | let columnNumber = editorView.state.selection.ranges[0].head - editorView.state.doc.lineAt(editorView.state.selection.main.head).from; |
| 220 | line_info.set({line: lineNumber.toString(), column: (columnNumber + 1).toString()}) |
| 221 | } |
| 222 | |
| 223 | async function handleKeyDown(e) { |
| 224 | let key = e.code; |
| 225 | switch(key) { |
| 226 | case "ArrowRight": case "ArrowLeft": case "ArrowDown": case "ArrowUp": |
| 227 | updateLineInfo(); |
| 228 | } |
| 229 | } |
| 230 | </script> |
| 231 | <script lang="ts" context="module"> |
| 232 | import { languages as cmLangs } from "@codemirror/language-data"; |
| 233 | import { tabs } from "./EditorTabList.svelte"; |
| 234 | import { get } from "svelte/store"; |
| 235 | |
| 236 | export const line_info = writable({line: "-", column: "-"}); |
| 237 | export const language = writable("Unknown"); |
| 238 | export const encoding = writable({value: "UTF-8", hasBom: false}); |
| 239 | export const spaces = writable(4); |
| 240 | const langmode = writable(null); |
| 241 | |
| 242 | export function getLangFromExt(ext: string) { |
| 243 | let cmlang = cmLangs.find(l => l.extensions.includes(ext)); |
| 244 | return cmlang; |
| 245 | } |
| 246 | export function setEditorFontSize(value: number) { |
| 247 | for (const tab of get(tabs)) { |
| 248 | if (tab.isfile) { |
| 249 | tab.content.setFontSize(value); |
| 250 | } |
| 251 | } |
| 252 | } |
| 253 | export function setEditorFontFamily(family: string) { |
| 254 | for (const tab of get(tabs)) { |
| 255 | if (tab.isfile) { |
| 256 | tab.content.setFontFamily(family); |
| 257 | } |
| 258 | } |
| 259 | } |
| 260 | export function setEditorLineHeight(height: string) { |
| 261 | const editors = document.querySelectorAll(".cm-scroller"); |
| 262 | for (const editorContainer of editors) { |
| 263 | (editorContainer as HTMLElement).style.setProperty("line-height", height, "important") |
| 264 | } |
| 265 | } |
| 266 | export function setEditorTabSize(size) { |
| 267 | for (const tab of get(tabs)) { |
| 268 | if (tab.isfile) { |
| 269 | tab.content.setTabSize(size); |
| 270 | } |
| 271 | } |
| 272 | } |
| 273 | export function setColorScheme() { |
| 274 | for (const tab of get(tabs)) { |
| 275 | if (tab.isfile) { |
| 276 | tab.content.setScheme(get(is_dark_theme)) |
| 277 | } |
| 278 | } |
| 279 | } |
| 280 | export function setEditorTheme() { |
| 281 | for (const tab of get(tabs)) { |
| 282 | if (tab.isfile) { |
| 283 | tab.content.setTheme(); |
| 284 | } |
| 285 | } |
| 286 | } |
| 287 | </script> |
| 288 | |
| 289 | <div bind:this={ref} class="editor" class:hidden on:mousedown={updateLineInfo} on:keydown={handleKeyDown}></div> |
| 290 | |
| 291 | <style lang="scss"> |
| 292 | .editor { |
| 293 | height: 100%; |
| 294 | width: 100%; |
| 295 | } |
| 296 | .hidden { |
| 297 | display: none; |
| 298 | } |
| 299 | :global(.cm-editor:focus), |
| 300 | :global(.cm-focused) { |
| 301 | outline: none !important; |
| 302 | } |
| 303 | :global(.cm-editor), |
| 304 | :global(.cm-wrap) { |
| 305 | height: 100%; |
| 306 | } |
| 307 | :global(.cm-scroller) { |
| 308 | font-size: 14px !important; |
| 309 | line-height: 1.3 !important; |
| 310 | padding-top: 7px; |
| 311 | overflow-y: overlay; |
| 312 | overflow-x: overlay !important; |
| 313 | width: -webkit-fill-available; |
| 314 | height: -webkit-fill-available !important; |
| 315 | position: absolute !important; |
| 316 | } |
| 317 | :global(.cm-gutters) { |
| 318 | z-index: 2; |
| 319 | } |
| 320 | :global(.cm-content) { |
| 321 | padding: 0 10px 200px 0 !important; |
| 322 | } |
| 323 | :global(.cm-lineNumbers) { |
| 324 | min-width: 60px !important; |
| 325 | &:hover { |
| 326 | ~:global(.cm-foldGutter) { |
| 327 | opacity: 100; |
| 328 | pointer-events: all; |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | :global(.cm-gutterElement) { |
| 333 | text-align: center !important; |
| 334 | } |
| 335 | :global(.cm-foldGutter) { |
| 336 | position: absolute; |
| 337 | left: 49px; |
| 338 | pointer-events: none; |
| 339 | opacity: 0; |
| 340 | transition: 0.4s; |
| 341 | &:hover { |
| 342 | opacity: 100; |
| 343 | pointer-events: all; |
| 344 | } |
| 345 | } |
| 346 | :global(.cm-indent-markers)::before { |
| 347 | z-index: 0 !important; |
| 348 | } |
| 349 | :global(.cm-line) { |
| 350 | padding: 0 2px 0 1px !important; |
| 351 | } |
| 352 | </style> |