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main.ts
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main.ts
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import {
TFile,
Plugin,
WorkspaceLeaf,
addIcon,
App,
PluginManifest,
MarkdownView,
normalizePath,
Menu,
MenuItem,
TAbstractFile,
ViewState,
Notice,
loadMathJax,
Scope,
request,
MetadataCache,
FrontMatterCache,
} from "obsidian";
import {
BLANK_DRAWING,
VIEW_TYPE_EXCALIDRAW,
EXCALIDRAW_ICON,
ICON_NAME,
SCRIPTENGINE_ICON,
SCRIPTENGINE_ICON_NAME,
DISK_ICON,
DISK_ICON_NAME,
PNG_ICON,
PNG_ICON_NAME,
SVG_ICON,
SVG_ICON_NAME,
RERENDER_EVENT,
FRONTMATTER_KEY,
FRONTMATTER,
JSON_parse,
nanoid,
DARK_BLANK_DRAWING,
CTRL_OR_CMD,
SCRIPT_INSTALL_CODEBLOCK,
SCRIPT_INSTALL_FOLDER,
VIRGIL_FONT,
VIRGIL_DATAURL,
} from "./Constants";
import ExcalidrawView, { ExportSettings, TextMode } from "./ExcalidrawView";
import {
changeThemeOfExcalidrawMD,
getMarkdownDrawingSection,
} from "./ExcalidrawData";
import {
ExcalidrawSettings,
DEFAULT_SETTINGS,
ExcalidrawSettingTab,
} from "./Settings";
import { openDialogAction, OpenFileDialog } from "./OpenDrawing";
import { InsertLinkDialog } from "./InsertLinkDialog";
import { InsertImageDialog } from "./InsertImageDialog";
import { InsertMDDialog } from "./InsertMDDialog";
import {
initExcalidrawAutomate,
destroyExcalidrawAutomate,
ExcalidrawAutomate,
insertLaTeXToView,
search,
} from "./ExcalidrawAutomate";
import { Prompt } from "./Prompt";
import { around } from "monkey-around";
import { t } from "./lang/helpers";
import {
checkAndCreateFolder,
download,
errorlog,
getAttachmentsFolderAndFilePath,
getFontDataURL,
getIMGFilename,
getIMGPathFromExcalidrawFile,
getNewUniqueFilepath,
getPNG,
isObsidianThemeDark,
log,
sleep,
} from "./Utils";
//import { OneOffs } from "./OneOffs";
import { FileId } from "@zsviczian/excalidraw/types/element/types";
import { ScriptEngine } from "./Scripts";
import {
hoverEvent,
initializeMarkdownPostProcessor,
markdownPostProcessor,
observer,
} from "./MarkdownPostProcessor";
import { FieldSuggestor } from "./FieldSuggestor";
import { ReleaseNotes } from "./ReleaseNotes";
declare module "obsidian" {
interface App {
isMobile(): boolean;
}
interface Workspace {
on(
name: "hover-link",
callback: (e: MouseEvent) => any,
ctx?: any,
): EventRef;
}
}
export default class ExcalidrawPlugin extends Plugin {
private excalidrawFiles: Set<TFile> = new Set<TFile>();
public excalidrawFileModes: { [file: string]: string } = {};
private _loaded: boolean = false;
public settings: ExcalidrawSettings;
private openDialog: OpenFileDialog;
public insertLinkDialog: InsertLinkDialog;
public insertImageDialog: InsertImageDialog;
public insertMDDialog: InsertMDDialog;
private activeExcalidrawView: ExcalidrawView = null;
public lastActiveExcalidrawFilePath: string = null;
public hover: { linkText: string; sourcePath: string } = {
linkText: null,
sourcePath: null,
};
private observer: MutationObserver;
private themeObserver: MutationObserver;
private fileExplorerObserver: MutationObserver;
public opencount: number = 0;
public ea: ExcalidrawAutomate;
//A master list of fileIds to facilitate copy / paste
public filesMaster: Map<FileId, { path: string; hasSVGwithBitmap: boolean }> =
null; //fileId, path
public equationsMaster: Map<FileId, string> = null; //fileId, formula
public mathjax: any = null;
private mathjaxDiv: HTMLDivElement = null;
public scriptEngine: ScriptEngine;
public fourthFontDef: string = VIRGIL_FONT;
constructor(app: App, manifest: PluginManifest) {
super(app, manifest);
this.filesMaster = new Map<
FileId,
{ path: string; hasSVGwithBitmap: boolean }
>();
this.equationsMaster = new Map<FileId, string>();
}
async onload() {
addIcon(ICON_NAME, EXCALIDRAW_ICON);
addIcon(SCRIPTENGINE_ICON_NAME, SCRIPTENGINE_ICON);
addIcon(DISK_ICON_NAME, DISK_ICON);
addIcon(PNG_ICON_NAME, PNG_ICON);
addIcon(SVG_ICON_NAME, SVG_ICON);
await this.loadSettings();
this.addSettingTab(new ExcalidrawSettingTab(this.app, this));
this.ea = await initExcalidrawAutomate(this);
this.registerView(
VIEW_TYPE_EXCALIDRAW,
(leaf: WorkspaceLeaf) => new ExcalidrawView(leaf, this),
);
//Compatibility mode with .excalidraw files
this.registerExtensions(["excalidraw"], VIEW_TYPE_EXCALIDRAW);
this.addMarkdownPostProcessor();
this.registerInstallCodeblockProcessor();
this.addThemeObserver();
this.experimentalFileTypeDisplayToggle(this.settings.experimentalFileType);
this.registerCommands();
this.registerEventListeners();
this.initializeFourthFont();
this.registerEditorSuggest(new FieldSuggestor(this));
//inspiration taken from kanban:
//https://github.com/mgmeyers/obsidian-kanban/blob/44118e25661bff9ebfe54f71ae33805dc88ffa53/src/main.ts#L267
this.registerMonkeyPatches();
if (!this.app.isMobile) {
const electron: string = process?.versions?.electron;
if (electron && electron?.startsWith("8.")) {
new Notice(
`You are running an older version of the electron Browser (${electron}). If Excalidraw does not start up, please reinstall Obsidian with the latest installer and try again.`,
10000,
);
}
}
// const patches = new OneOffs(this);
if (this.settings.showReleaseNotes) {
//I am repurposing imageElementNotice, if the value is true, this means the plugin was just newly installed to Obsidian.
const obsidianJustInstalled = this.settings.imageElementNotice;
const version: string =
//@ts-ignore
this.app.plugins.manifests["obsidian-excalidraw-plugin"].version;
if (version > this.settings.previousRelease) {
new ReleaseNotes(
this.app,
this,
obsidianJustInstalled ? null : version,
).open();
}
}
this.switchToExcalidarwAfterLoad();
this.loadMathJax();
//this.loadTesseract();
const self = this;
this.app.workspace.onLayoutReady(() => {
this.scriptEngine = new ScriptEngine(self);
});
}
public initializeFourthFont() {
this.app.workspace.onLayoutReady(async () => {
const font = await getFontDataURL(
this.app,
this.settings.experimantalFourthFont,
"",
"LocalFont",
);
const fourthFontDataURL =
font.dataURL === "" ? VIRGIL_DATAURL : font.dataURL;
this.fourthFontDef = font.fontDef;
const newStylesheet = document.createElement("style");
newStylesheet.id = "local-font-stylesheet";
newStylesheet.textContent = `
@font-face {
font-family: 'LocalFont';
src: url("${fourthFontDataURL}");
font-display: swap;
}
`;
// replace the old local font <style> element with the one we just created
const oldStylesheet = document.getElementById(newStylesheet.id);
document.head.appendChild(newStylesheet);
if (oldStylesheet) {
document.head.removeChild(oldStylesheet);
}
await (document as any).fonts.load(`20px LocalFont`);
});
}
private loadMathJax() {
//loading Obsidian MathJax as fallback
this.app.workspace.onLayoutReady(() => {
loadMathJax();
});
this.mathjaxDiv = document.body.createDiv();
this.mathjaxDiv.title = "Excalidraw MathJax Support";
this.mathjaxDiv.style.display = "none";
const iframe = this.mathjaxDiv.createEl("iframe");
const doc = iframe.contentWindow.document;
const script = doc.createElement("script");
script.type = "text/javascript";
script.onload = () => {
const win = iframe.contentWindow;
//@ts-ignore
win.MathJax.startup.pagePromise.then(() => {
//@ts-ignore
this.mathjax = win.MathJax;
});
};
script.src = "https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js";
//script.src = MATHJAX_DATAURL;
doc.head.appendChild(script);
}
/* private loadTesseract() {
//@ts-ignore
if(typeof Tesseract !== "undefined") return;
const script = window.document.createElement("script");
script.type = "text/javascript";
script.src = "https://unpkg.com/tesseract.js@v2.1.5/dist/tesseract.min.js";
document.head.appendChild(script);
}*/
private switchToExcalidarwAfterLoad() {
const self = this;
this.app.workspace.onLayoutReady(() => {
let leaf: WorkspaceLeaf;
for (leaf of self.app.workspace.getLeavesOfType("markdown")) {
if (
leaf.view instanceof MarkdownView &&
self.isExcalidrawFile(leaf.view.file)
) {
self.excalidrawFileModes[(leaf as any).id || leaf.view.file.path] =
VIEW_TYPE_EXCALIDRAW;
self.setExcalidrawView(leaf);
}
}
});
}
private registerInstallCodeblockProcessor() {
const codeblockProcessor = async (source: string, el: HTMLElement) => {
//Button next to the "List of available scripts" at the top
//In try/catch block because this approach is very error prone, depends on
//MarkdownRenderer() and index.md structure, in case these are not as
//expected this code will break
let button2: HTMLButtonElement = null;
try {
const link: HTMLElement = el.parentElement.querySelector(
`a[href="#${el.previousElementSibling.getAttribute(
"data-heading",
)}"]`,
);
link.style.paddingRight = "10px";
button2 = link.parentElement.createEl("button", null, (b) => {
b.setText(t("UPDATE_SCRIPT"));
b.addClass("mod-cta");
b.style.backgroundColor = "var(--interactive-success)";
b.style.display = "none";
});
} catch (e) {
errorlog({
where: "this.registerInstallCodeblockProcessor",
source,
error: e,
});
}
source = source.trim();
el.createEl("button", null, async (button) => {
const setButtonText = (
text: "CHECKING" | "INSTALL" | "UPTODATE" | "UPDATE" | "ERROR",
) => {
if (button2) {
button2.style.display = "none";
}
switch (text) {
case "CHECKING":
button.setText(t("CHECKING_SCRIPT"));
button.style.backgroundColor = "var(--interactive-normal)";
break;
case "INSTALL":
button.setText(t("INSTALL_SCRIPT"));
button.style.backgroundColor = "var(--interactive-accent)";
break;
case "UPTODATE":
button.setText(t("UPTODATE_SCRIPT"));
button.style.backgroundColor = "var(--interactive-normal)";
break;
case "UPDATE":
button.setText(t("UPDATE_SCRIPT"));
button.style.backgroundColor = "var(--interactive-success)";
if (button2) {
button2.style.display = null;
}
break;
case "ERROR":
button.setText(t("UNABLETOCHECK_SCRIPT"));
button.style.backgroundColor = "var(--interactive-normal)";
break;
}
};
button.addClass("mod-cta");
let decodedURI = source;
try {
decodedURI = decodeURI(source);
} catch (e) {
errorlog({
where:
"ExcalidrawPlugin.registerInstallCodeblockProcessor.codeblockProcessor.onClick",
source,
error: e,
});
}
const fname = decodedURI.substring(decodedURI.lastIndexOf("/") + 1);
const folder = `${this.settings.scriptFolderPath}/${SCRIPT_INSTALL_FOLDER}`;
const scriptPath = `${folder}/${fname}`;
const svgPath = getIMGFilename(scriptPath, "svg");
let scriptFile = this.app.vault.getAbstractFileByPath(scriptPath);
let svgFile = this.app.vault.getAbstractFileByPath(svgPath);
setButtonText(scriptFile ? "CHECKING" : "INSTALL");
button.onclick = async () => {
const download = async (
url: string,
file: TFile,
localPath: string,
): Promise<TFile> => {
const data = await request({ url });
if (!data || data.startsWith("404: Not Found")) {
return null;
}
if (file) {
await this.app.vault.modify(file as TFile, data);
} else {
await checkAndCreateFolder(this.app.vault, folder);
file = await this.app.vault.create(localPath, data);
}
return file;
};
try {
scriptFile = await download(
source,
scriptFile as TFile,
scriptPath,
);
if (!scriptFile) {
setButtonText("ERROR");
throw "File not found";
}
svgFile = await download(
getIMGFilename(source, "svg"),
svgFile as TFile,
svgPath,
);
setButtonText("UPTODATE");
new Notice(`Installed: ${(scriptFile as TFile).basename}`);
} catch (e) {
new Notice(`Error installing script: ${fname}`);
errorlog({
where:
"ExcalidrawPlugin.registerInstallCodeblockProcessor.codeblockProcessor.onClick",
error: e,
});
}
};
if (button2) {
button2.onclick = button.onclick;
}
//check modified date on github
//https://superuser.com/questions/1406875/how-to-get-the-latest-commit-date-of-a-file-from-a-given-github-reposotiry
if (!scriptFile || !(scriptFile instanceof TFile)) {
return;
}
const checkModifyDate = async (
gitFilename: string,
file: TFile,
): Promise<"ERROR" | "UPDATE" | "UPTODATE"> => {
const msgHead =
"https://api.github.com/repos/zsviczian/obsidian-excalidraw-plugin/commits?path=ea-scripts%2F";
const msgTail = "&page=1&per_page=1";
const data = await request({
url: msgHead + encodeURI(gitFilename) + msgTail,
});
if (!data) {
//setButtonText("ERROR");
return "ERROR";
}
const result = JSON.parse(data);
if (result.length === 0 || !result[0]?.commit?.committer?.date) {
//setButtonText("ERROR");
return "ERROR";
}
//@ts-ignore
const mtime = new Date(result[0].commit.committer.date) / 1;
if (!file || mtime > file.stat.mtime) {
//setButtonText("UPDATE");
return "UPDATE";
}
return "UPTODATE";
};
const scriptButtonText = await checkModifyDate(fname, scriptFile);
const svgButtonText = await checkModifyDate(
getIMGFilename(fname, "svg"),
!svgFile || !(svgFile instanceof TFile) ? null : svgFile,
);
setButtonText(
scriptButtonText === "UPTODATE" && svgButtonText === "UPTODATE"
? "UPTODATE"
: scriptButtonText === "UPTODATE" && svgButtonText === "ERROR"
? "UPTODATE"
: scriptButtonText === "ERROR"
? "ERROR"
: scriptButtonText === "UPDATE" || svgButtonText === "UPDATE"
? "UPDATE"
: "UPTODATE",
);
});
};
this.registerMarkdownCodeBlockProcessor(
SCRIPT_INSTALL_CODEBLOCK,
async (source, el) => {
el.addEventListener(RERENDER_EVENT, async (e) => {
e.stopPropagation();
el.empty();
codeblockProcessor(source, el);
});
codeblockProcessor(source, el);
},
);
}
/**
* Displays a transcluded .excalidraw image in markdown preview mode
*/
private addMarkdownPostProcessor() {
initializeMarkdownPostProcessor(this);
this.registerMarkdownPostProcessor(markdownPostProcessor);
// internal-link quick preview
this.registerEvent(this.app.workspace.on("hover-link", hoverEvent));
//monitoring for div.popover.hover-popover.file-embed.is-loaded to be added to the DOM tree
this.observer = observer;
this.observer.observe(document, { childList: true, subtree: true });
}
private addThemeObserver() {
this.themeObserver = new MutationObserver(async (m: MutationRecord[]) => {
if (!this.settings.matchThemeTrigger) {
return;
}
//@ts-ignore
if (m[0]?.oldValue === m[0]?.target?.getAttribute("class")) {
return;
}
if (
m[0]?.oldValue?.includes("theme-dark") ===
//@ts-ignore
m[0]?.target?.classList?.contains("theme-dark")
) {
return;
}
const theme = isObsidianThemeDark() ? "dark" : "light";
const leaves = this.app.workspace.getLeavesOfType(VIEW_TYPE_EXCALIDRAW);
leaves.forEach((leaf: WorkspaceLeaf) => {
const excalidrawView = leaf.view as ExcalidrawView;
if (excalidrawView.file && excalidrawView.excalidrawRef) {
excalidrawView.setTheme(theme);
}
});
});
this.themeObserver.observe(document.body, {
attributeOldValue: true,
attributeFilter: ["class"],
});
}
public experimentalFileTypeDisplayToggle(enabled: boolean) {
if (enabled) {
this.experimentalFileTypeDisplay();
return;
}
if (this.fileExplorerObserver) {
this.fileExplorerObserver.disconnect();
}
this.fileExplorerObserver = null;
}
/**
* Display characters configured in settings, in front of the filename, if the markdown file is an excalidraw drawing
*/
private experimentalFileTypeDisplay() {
const insertFiletype = (el: HTMLElement) => {
if (el.childElementCount != 1) {
return;
}
const filename = el.getAttribute("data-path");
if (!filename) {
return;
}
const f = this.app.vault.getAbstractFileByPath(filename);
if (!f || !(f instanceof TFile)) {
return;
}
if (this.isExcalidrawFile(f)) {
el.insertBefore(
createDiv({
cls: "nav-file-tag",
text: this.settings.experimentalFileTag,
}),
el.firstChild,
);
}
};
this.fileExplorerObserver = new MutationObserver((m) => {
const mutationsWithNodes = m.filter((v) => v.addedNodes.length > 0);
mutationsWithNodes.forEach((mu) => {
mu.addedNodes.forEach((n) => {
if (!(n instanceof Element)) {
return;
}
n.querySelectorAll(".nav-file-title").forEach(insertFiletype);
});
});
});
const self = this;
this.app.workspace.onLayoutReady(() => {
document.querySelectorAll(".nav-file-title").forEach(insertFiletype); //apply filetype to files already displayed
self.fileExplorerObserver.observe(document.querySelector(".workspace"), {
childList: true,
subtree: true,
});
});
}
private registerCommands() {
this.openDialog = new OpenFileDialog(this.app, this);
this.insertLinkDialog = new InsertLinkDialog(this.app);
this.insertImageDialog = new InsertImageDialog(this);
this.insertMDDialog = new InsertMDDialog(this);
this.addRibbonIcon(ICON_NAME, t("CREATE_NEW"), async (e) => {
this.createAndOpenDrawing(this.getNextDefaultFilename(), e[CTRL_OR_CMD]); //.ctrlKey||e.metaKey);
});
const fileMenuHandlerCreateNew = (menu: Menu, file: TFile) => {
menu.addItem((item: MenuItem) => {
item
.setTitle(t("CREATE_NEW"))
.setIcon(ICON_NAME)
.onClick(() => {
let folderpath = file.path;
if (file instanceof TFile) {
folderpath = normalizePath(
file.path.substr(0, file.path.lastIndexOf(file.name)),
);
}
this.createAndOpenDrawing(
this.getNextDefaultFilename(),
false,
folderpath,
);
});
});
};
this.registerEvent(
this.app.workspace.on("file-menu", fileMenuHandlerCreateNew),
);
const fileMenuHandlerConvertKeepExtension = (menu: Menu, file: TFile) => {
if (file instanceof TFile && file.extension == "excalidraw") {
menu.addItem((item: MenuItem) => {
item.setTitle(t("CONVERT_FILE_KEEP_EXT")).onClick(() => {
this.convertSingleExcalidrawToMD(file, false, false);
});
});
}
};
this.registerEvent(
this.app.workspace.on("file-menu", fileMenuHandlerConvertKeepExtension),
);
const fileMenuHandlerConvertReplaceExtension = (
menu: Menu,
file: TFile,
) => {
if (file instanceof TFile && file.extension == "excalidraw") {
menu.addItem((item: MenuItem) => {
item.setTitle(t("CONVERT_FILE_REPLACE_EXT")).onClick(() => {
this.convertSingleExcalidrawToMD(file, true, true);
});
});
}
};
this.registerEvent(
this.app.workspace.on(
"file-menu",
fileMenuHandlerConvertReplaceExtension,
),
);
this.addCommand({
id: "excalidraw-download-lib",
name: t("DOWNLOAD_LIBRARY"),
callback: this.exportLibrary,
});
this.addCommand({
id: "excalidraw-open",
name: t("OPEN_EXISTING_NEW_PANE"),
callback: () => {
this.openDialog.start(openDialogAction.openFile, true);
},
});
this.addCommand({
id: "excalidraw-open-on-current",
name: t("OPEN_EXISTING_ACTIVE_PANE"),
callback: () => {
this.openDialog.start(openDialogAction.openFile, false);
},
});
this.addCommand({
id: "excalidraw-insert-transclusion",
name: t("TRANSCLUDE"),
checkCallback: (checking: boolean) => {
if (checking) {
return this.app.workspace.activeLeaf.view.getViewType() == "markdown";
}
this.openDialog.start(openDialogAction.insertLinkToDrawing, false);
return true;
},
});
this.addCommand({
id: "excalidraw-insert-last-active-transclusion",
name: t("TRANSCLUDE_MOST_RECENT"),
checkCallback: (checking: boolean) => {
if (checking) {
return (
this.app.workspace.activeLeaf.view.getViewType() == "markdown" &&
this.lastActiveExcalidrawFilePath != null
);
}
const file = this.app.vault.getAbstractFileByPath(
this.lastActiveExcalidrawFilePath,
);
if (!(file instanceof TFile)) {
return false;
}
this.embedDrawing(file);
return true;
},
});
this.addCommand({
id: "excalidraw-autocreate",
name: t("NEW_IN_NEW_PANE"),
callback: () => {
this.createAndOpenDrawing(this.getNextDefaultFilename(), true);
},
});
this.addCommand({
id: "excalidraw-autocreate-on-current",
name: t("NEW_IN_ACTIVE_PANE"),
callback: () => {
this.createAndOpenDrawing(this.getNextDefaultFilename(), false);
},
});
const insertDrawingToDoc = async (inNewPane: boolean) => {
const activeView = this.app.workspace.getActiveViewOfType(MarkdownView);
if (!activeView) {
return;
}
const prefix = this.settings.drawingEmbedPrefixWithFilename
? `${activeView.file.basename}_`
: "";
const date = window
.moment()
.format(this.settings.drawingFilenameDateTime);
const extension = this.settings.compatibilityMode
? ".excalidraw"
: ".excalidraw.md";
const filename = prefix + date + extension;
const folder = this.settings.embedUseExcalidrawFolder
? null
: (
await getAttachmentsFolderAndFilePath(
this.app,
activeView.file.path,
filename,
)
).folder;
const file = await this.createDrawing(filename, folder);
await this.embedDrawing(file);
this.openDrawing(file, inNewPane);
};
this.addCommand({
id: "excalidraw-autocreate-and-embed",
name: t("NEW_IN_NEW_PANE_EMBED"),
checkCallback: (checking: boolean) => {
if (checking) {
return this.app.workspace.activeLeaf.view.getViewType() == "markdown";
}
insertDrawingToDoc(true);
return true;
},
});
this.addCommand({
id: "excalidraw-autocreate-and-embed-on-current",
name: t("NEW_IN_ACTIVE_PANE_EMBED"),
checkCallback: (checking: boolean) => {
if (checking) {
return this.app.workspace.activeLeaf.view.getViewType() == "markdown";
}
insertDrawingToDoc(false);
return true;
},
});
this.addCommand({
id: "export-svg",
name: t("EXPORT_SVG"),
checkCallback: (checking: boolean) => {
if (checking) {
return (
this.app.workspace.activeLeaf.view.getViewType() ==
VIEW_TYPE_EXCALIDRAW
);
}
const view = this.app.workspace.activeLeaf.view;
if (view instanceof ExcalidrawView) {
view.saveSVG();
return true;
}
return false;
},
});
this.addCommand({
id: "search-text",
name: t("SEARCH"),
checkCallback: (checking: boolean) => {
if (checking) {
return (
this.app.workspace.activeLeaf.view.getViewType() ===
VIEW_TYPE_EXCALIDRAW
);
}
const view = this.app.workspace.activeLeaf.view;
if (view instanceof ExcalidrawView) {
search(view);
return true;
}
return false;
},
});
/* this.addCommand({
id: "ocr",
name: "Test OCR",//t("EXPORT_PNG"),
checkCallback: (checking: boolean) => {
if (checking) {
return (
this.app.workspace.activeLeaf.view.getViewType() ===
//@ts-ignore
VIEW_TYPE_EXCALIDRAW && typeof Tesseract !== "undefined"
);
}
const view = this.app.workspace.activeLeaf.view;
if (view instanceof ExcalidrawView) {
//@ts-ignore
const worker = Tesseract.createWorker({logger: m => console.log(m)});
//@ts-ignore
Tesseract.setLogging(true);
const exportSettings: ExportSettings = {
withBackground: true,
withTheme: false,
};
const blobToBase64 = async (blob:any) => {
return new Promise((resolve, _) => {
const reader = new FileReader();
reader.onloadend = () => resolve(reader.result);
reader.readAsDataURL(blob);
});
}
(async () => {
const png = await getPNG(
view.getScene(),
exportSettings,
3,
);
await worker.load();
await worker.loadLanguage('https://https://raw.githubusercontent.com/thecodingone/trained-tesseract-handwriting-fonts/blob/master/eng.traineddata');
await worker.initialize('https://raw.githubusercontent.com/thecodingone/trained-tesseract-handwriting-fonts/blob/master/eng.traineddata');
const { data: { text } } = await worker.recognize(await blobToBase64(png));
console.log(text);
await worker.terminate();
})();
return true;
}
return false;
},
});*/
this.addCommand({
id: "export-png",
name: t("EXPORT_PNG"),
checkCallback: (checking: boolean) => {
if (checking) {
return (
this.app.workspace.activeLeaf.view.getViewType() ==
VIEW_TYPE_EXCALIDRAW
);
}
const view = this.app.workspace.activeLeaf.view;
if (view instanceof ExcalidrawView) {
view.savePNG();
return true;
}
return false;
},
});
this.addCommand({
id: "toggle-lock",
hotkeys: [{ modifiers: ["Ctrl" || "Meta", "Shift"], key: "e" }],
name: t("TOGGLE_LOCK"),
checkCallback: (checking: boolean) => {
if (checking) {
if (
this.app.workspace.activeLeaf.view.getViewType() ===
VIEW_TYPE_EXCALIDRAW
) {
return !(this.app.workspace.activeLeaf.view as ExcalidrawView)
.compatibilityMode;
}
return false;
}
const view = this.app.workspace.activeLeaf.view;
if (view instanceof ExcalidrawView) {
view.changeTextMode(
view.textMode === TextMode.parsed ? TextMode.raw : TextMode.parsed,
);
return true;
}
return false;
},
});
this.addCommand({
id: "delete-file",
name: t("DELETE_FILE"),
checkCallback: (checking: boolean) => {
if (checking) {
const view = this.app.workspace.activeLeaf.view;
return view instanceof ExcalidrawView;
}
const view = this.app.workspace.activeLeaf.view;
if (view instanceof ExcalidrawView) {
this.ea.reset();
this.ea.setView(view);
const el = this.ea.getViewSelectedElement();
if (el.type !== "image") {
new Notice(
"Please select an image or embedded markdown document",
4000,
);
return true;
}
const file = this.ea.getViewFileForImageElement(el);
if (!file) {
new Notice(
"Please select an image or embedded markdown document",
4000,
);
return true;
}
this.app.vault.delete(file);
this.ea.deleteViewElements([el]);
return true;
}
return false;
},
});
this.addCommand({
id: "insert-link",
hotkeys: [{ modifiers: ["Ctrl" || "Meta", "Shift"], key: "k" }],
name: t("INSERT_LINK"),
checkCallback: (checking: boolean) => {
if (checking) {
const view = this.app.workspace.activeLeaf.view;
return view instanceof ExcalidrawView;
}
const view = this.app.workspace.activeLeaf.view;
if (view instanceof ExcalidrawView) {
this.insertLinkDialog.start(view.file.path, view.addText);
return true;
}
return false;
},
});
this.addCommand({
id: "insert-image",
name: t("INSERT_IMAGE"),
checkCallback: (checking: boolean) => {
if (checking) {
const view = this.app.workspace.activeLeaf.view;
return view instanceof ExcalidrawView;
}
const view = this.app.workspace.activeLeaf.view;
if (view instanceof ExcalidrawView) {
this.insertImageDialog.start(view);
return true;
}
return false;
},
});
this.addCommand({
id: "release-notes",