Files
obsidian-excalidraw-plugin/src/ExcalidrawView.ts

4568 lines
169 KiB
TypeScript

import {
TextFileView,
WorkspaceLeaf,
normalizePath,
TFile,
WorkspaceItem,
Notice,
Menu,
MarkdownView,
request,
requireApiVersion,
} from "obsidian";
//import * as React from "react";
//import * as ReactDOM from "react-dom";
//import Excalidraw from "@zsviczian/excalidraw";
import {
ExcalidrawElement,
ExcalidrawEmbeddableElement,
ExcalidrawTextElement,
FileId,
NonDeletedExcalidrawElement,
} from "@zsviczian/excalidraw/types/element/types";
import {
AppState,
BinaryFileData,
ExcalidrawImperativeAPI,
LibraryItems,
UIAppState,
} from "@zsviczian/excalidraw/types/types";
import {
VIEW_TYPE_EXCALIDRAW,
ICON_NAME,
DISK_ICON_NAME,
SCRIPTENGINE_ICON_NAME,
FRONTMATTER_KEY,
TEXT_DISPLAY_RAW_ICON_NAME,
TEXT_DISPLAY_PARSED_ICON_NAME,
IMAGE_TYPES,
REG_LINKINDEX_INVALIDCHARS,
KEYCODE,
FRONTMATTER_KEY_EXPORT_PADDING,
FRONTMATTER_KEY_EXPORT_PNGSCALE,
FRONTMATTER_KEY_EXPORT_DARK,
FRONTMATTER_KEY_EXPORT_TRANSPARENT,
DEVICE,
GITHUB_RELEASES,
EXPORT_IMG_ICON_NAME,
viewportCoordsToSceneCoords,
ERROR_IFRAME_CONVERSION_CANCELED,
restore,
obsidianToExcalidrawMap,
} from "./constants";
import ExcalidrawPlugin from "./main";
import {
repositionElementsToCursor,
ExcalidrawAutomate,
getTextElementsMatchingQuery,
cloneElement,
getFrameElementsMatchingQuery
} from "./ExcalidrawAutomate";
import { t } from "./lang/helpers";
import {
ExcalidrawData,
REG_LINKINDEX_HYPERLINK,
REGEX_LINK,
AutoexportPreference,
} from "./ExcalidrawData";
import {
checkAndCreateFolder,
download,
getDataURLFromURL,
getIMGFilename,
getMimeType,
getNewUniqueFilepath,
getURLImageExtension,
} from "./utils/FileUtils";
import {
checkExcalidrawVersion,
debug,
embedFontsInSVG,
errorlog,
getEmbeddedFilenameParts,
getExportTheme,
getLinkParts,
getPNG,
getPNGScale,
getSVG,
getExportPadding,
getWithBackground,
hasExportTheme,
scaleLoadedImage,
svgToBase64,
updateFrontmatterInString,
hyperlinkIsImage,
hyperlinkIsYouTubeLink,
getYouTubeThumbnailLink,
isContainer,
fragWithHTML,
} from "./utils/Utils";
import { getLeaf, getParentOfClass, obsidianPDFQuoteWithRef } from "./utils/ObsidianUtils";
import { splitFolderAndFilename } from "./utils/FileUtils";
import { ConfirmationPrompt, GenericInputPrompt, NewFileActions, Prompt } from "./dialogs/Prompt";
import { ClipboardData } from "@zsviczian/excalidraw/types/clipboard";
import { updateEquation } from "./LaTeX";
import {
EmbeddedFile,
EmbeddedFilesLoader,
FileData,
generateIdFromFile,
} from "./EmbeddedFileLoader";
import { ScriptInstallPrompt } from "./dialogs/ScriptInstallPrompt";
import { ObsidianMenu } from "./menu/ObsidianMenu";
import { ToolsPanel } from "./menu/ToolsPanel";
import { ScriptEngine } from "./Scripts";
import { getTextElementAtPointer, getImageElementAtPointer, getElementWithLinkAtPointer } from "./utils/GetElementAtPointer";
import { ICONS, LogoWrapper, saveIcon } from "./menu/ActionIcons";
import { ExportDialog } from "./dialogs/ExportDialog";
import { getEA } from "src"
import { anyModifierKeysPressed, emulateCTRLClickForLinks, emulateKeysForLinkClick, externalDragModifierType, internalDragModifierType, isALT, isCTRL, isMETA, isSHIFT, linkClickModifierType, mdPropModifier, ModifierKeys } from "./utils/ModifierkeyHelper";
import { setDynamicStyle } from "./utils/DynamicStyling";
import { InsertPDFModal } from "./dialogs/InsertPDFModal";
import { CustomEmbeddable, renderWebView } from "./customEmbeddable";
import { insertEmbeddableToView, insertImageToView } from "./utils/ExcalidrawViewUtils";
import { imageCache } from "./utils/ImageCache";
import { CanvasNodeFactory, ObsidianCanvasNode } from "./utils/CanvasNodeFactory";
import { EmbeddableMenu } from "./menu/EmbeddableActionsMenu";
import { useDefaultExcalidrawFrame } from "./utils/CustomEmbeddableUtils";
import { UniversalInsertFileModal } from "./dialogs/UniversalInsertFileModal";
import { moment } from "obsidian";
declare const PLUGIN_VERSION:string;
declare module "obsidian" {
interface Workspace {
floatingSplit: any;
}
interface WorkspaceSplit {
containerEl: HTMLDivElement;
}
}
type SelectedElementWithLink = { id: string; text: string };
type SelectedImage = { id: string; fileId: FileId };
export enum TextMode {
parsed = "parsed",
raw = "raw",
}
interface WorkspaceItemExt extends WorkspaceItem {
containerEl: HTMLElement;
}
export interface ExportSettings {
withBackground: boolean;
withTheme: boolean;
}
const HIDE = "excalidraw-hidden";
const SHOW = "excalidraw-visible";
export const addFiles = async (
files: FileData[],
view: ExcalidrawView,
isDark?: boolean,
) => {
if (!files || files.length === 0 || !view) {
return;
}
const api = view.excalidrawAPI;
if (!api) {
return;
}
//https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/544
files = files.filter(
(f) => f && f.size && f.size.height > 0 && f.size.width > 0,
); //height will be zero when file does not exisig in case of broken embedded file links
if (files.length === 0) {
return;
}
const s = scaleLoadedImage(view.getScene(), files);
if (isDark === undefined) {
isDark = s.scene.appState.theme;
}
if (s.dirty) {
//debug({where:"ExcalidrawView.addFiles",file:view.file.name,dataTheme:view.excalidrawData.scene.appState.theme,before:"updateScene",state:scene.appState})
view.updateScene({
elements: s.scene.elements,
appState: s.scene.appState,
commitToHistory: false,
});
}
for (const f of files) {
if (view.excalidrawData.hasFile(f.id)) {
const embeddedFile = view.excalidrawData.getFile(f.id);
embeddedFile.setImage(
f.dataURL,
f.mimeType,
f.size,
isDark,
f.hasSVGwithBitmap,
);
}
if (view.excalidrawData.hasEquation(f.id)) {
const latex = view.excalidrawData.getEquation(f.id).latex;
view.excalidrawData.setEquation(f.id, { latex, isLoaded: true });
}
}
api.addFiles(files);
};
const warningUnknowSeriousError = () => {
new Notice(
"WARNING: Excalidraw ran into an unknown problem!\n\n" +
"There is a risk that your most recent changes cannot be saved.\n\n" +
"To be on the safe side...\n" +
"1) Please select your drawing using CTRL/CMD+A and make a copy with CTRL/CMD+C.\n" +
"2) Then create an empty drawing in a new pane by CTRL/CMD+clicking the Excalidraw ribbon button,\n" +
"3) and paste your work to the new document with CTRL/CMD+V.",
60000,
);
};
export default class ExcalidrawView extends TextFileView {
public excalidrawContainer: HTMLDivElement;
public exportDialog: ExportDialog;
public excalidrawData: ExcalidrawData;
public getScene: Function = null;
public addElements: Function = null; //add elements to the active Excalidraw drawing
private getSelectedTextElement: ()=>SelectedElementWithLink = null;
private getSelectedImageElement: ()=>SelectedImage = null;
private getSelectedElementWithLink: ()=>SelectedElementWithLink = null;
public addText: Function = null;
private refresh: Function = null;
public excalidrawRef: React.MutableRefObject<any> = null;
public excalidrawAPI: any = null;
public excalidrawWrapperRef: React.MutableRefObject<any> = null;
public toolsPanelRef: React.MutableRefObject<any> = null;
public embeddableMenuRef: React.MutableRefObject<any> = null;
private parentMoveObserver: MutationObserver;
public linksAlwaysOpenInANewPane: boolean = false; //override the need for SHIFT+CTRL+click (used by ExcaliBrain)
public allowFrameButtonsInViewMode: boolean = false; //override for ExcaliBrain
private hookServer: ExcalidrawAutomate;
public lastSaveTimestamp: number = 0; //used to validate if incoming file should sync with open file
private lastLoadedFile: TFile = null;
private onKeyUp: (e: KeyboardEvent) => void;
private onKeyDown:(e: KeyboardEvent) => void;
//store key state for view mode link resolution
private modifierKeyDown: ModifierKeys = {shiftKey:false, metaKey: false, ctrlKey: false, altKey: false}
public currentPosition: {x:number,y:number} = { x: 0, y: 0 };
//Obsidian 0.15.0
public ownerWindow: Window;
public ownerDocument: Document;
private draginfoDiv: HTMLDivElement;
public canvasNodeFactory: CanvasNodeFactory;
private embeddableRefs = new Map<ExcalidrawElement["id"], HTMLIFrameElement | HTMLWebViewElement>();
private embeddableLeafRefs = new Map<ExcalidrawElement["id"], any>();
public semaphores: {
popoutUnload: boolean; //the unloaded Excalidraw view was the last leaf in the popout window
viewunload: boolean;
//first time initialization of the view
scriptsReady: boolean;
//The role of justLoaded is to capture the Excalidraw.onChange event that fires right after the canvas was loaded for the first time to
//- prevent the first onChange event to mark the file as dirty and to consequently cause a save right after load, causing sync issues in turn
//- trigger autozoom (in conjunction with preventAutozoomOnLoad)
justLoaded: boolean;
//the modifyEventHandler in main.ts will fire when an Excalidraw file has changed (e.g. due to sync)
//when a drawing that is currently open in a view receives a sync update, excalidraw reload() is triggered
//the preventAutozoomOnLoad flag will prevent the open drawing from autozooming when it is reloaded
preventAutozoom: boolean;
autosaving: boolean; //flags that autosaving is in progress. Autosave is an async timer, the flag prevents collision with force save
forceSaving: boolean; //flags that forcesaving is in progress. The flag prevents collision with autosaving
dirty: string; //null if there are no changes to be saved, the path of the file if the drawing has unsaved changes
//reload() is triggered by modifyEventHandler in main.ts. preventReload is a one time flag to abort reloading
//to avoid interrupting the flow of drawing by the user.
preventReload: boolean;
isEditingText: boolean; //https://stackoverflow.com/questions/27132796/is-there-any-javascript-event-fired-when-the-on-screen-keyboard-on-mobile-safari
//Save is triggered by multiple threads when an Excalidraw pane is terminated
//- by the view itself
//- by the activeLeafChangeEventHandler change event handler
//- by monkeypatches on detach(next)
//This semaphore helps avoid collision of saves
saving: boolean;
hoverSleep: boolean; //flag with timer to prevent hover preview from being triggered dozens of times
wheelTimeout:NodeJS.Timeout; //used to avoid hover preview while zooming
} = {
popoutUnload: false,
viewunload: false,
scriptsReady: false,
justLoaded: false,
preventAutozoom: false,
autosaving: false,
dirty: null,
preventReload: false,
isEditingText: false,
saving: false,
forceSaving: false,
hoverSleep: false,
wheelTimeout: null,
};
public plugin: ExcalidrawPlugin;
public autosaveTimer: any = null;
public textMode: TextMode = TextMode.raw;
private textIsParsed_Element: HTMLElement;
private textIsRaw_Element: HTMLElement;
private linkAction_Element: HTMLElement;
public compatibilityMode: boolean = false;
private obsidianMenu: ObsidianMenu;
private embeddableMenu: EmbeddableMenu;
//https://stackoverflow.com/questions/27132796/is-there-any-javascript-event-fired-when-the-on-screen-keyboard-on-mobile-safari
private isEditingTextResetTimer: NodeJS.Timeout = null;
id: string = (this.leaf as any).id;
constructor(leaf: WorkspaceLeaf, plugin: ExcalidrawPlugin) {
super(leaf);
this.plugin = plugin;
this.excalidrawData = new ExcalidrawData(plugin);
this.hookServer = plugin.ea;
this.canvasNodeFactory = new CanvasNodeFactory(this);
}
setHookServer(ea:ExcalidrawAutomate) {
if(ea) {
this.hookServer = ea;
} else {
this.hookServer = this.plugin.ea;
}
}
getHookServer = () => this.hookServer ?? this.plugin.ea;
preventAutozoom() {
this.semaphores.preventAutozoom = true;
setTimeout(() => (this.semaphores.preventAutozoom = false), 1500);
}
public saveExcalidraw(scene?: any) {
if (!scene) {
if (!this.getScene) {
return false;
}
scene = this.getScene();
}
const filepath = `${this.file.path.substring(
0,
this.file.path.lastIndexOf(".md"),
)}.excalidraw`;
const file = app.vault.getAbstractFileByPath(normalizePath(filepath));
if (file && file instanceof TFile) {
app.vault.modify(file, JSON.stringify(scene, null, "\t"));
} else {
app.vault.create(filepath, JSON.stringify(scene, null, "\t"));
}
}
public async exportExcalidraw(selectedOnly?: boolean) {
if (!this.getScene || !this.file) {
return;
}
if (app.isMobile) {
const prompt = new Prompt(
app,
"Please provide filename",
this.file.basename,
"filename, leave blank to cancel action",
);
prompt.openAndGetValue(async (filename: string) => {
if (!filename) {
return;
}
filename = `${filename}.excalidraw`;
const folderpath = splitFolderAndFilename(this.file.path).folderpath;
await checkAndCreateFolder(folderpath); //create folder if it does not exist
const fname = getNewUniqueFilepath(
app.vault,
filename,
folderpath,
);
app.vault.create(
fname,
JSON.stringify(this.getScene(), null, "\t"),
);
new Notice(`Exported to ${fname}`, 6000);
});
return;
}
download(
"data:text/plain;charset=utf-8",
encodeURIComponent(JSON.stringify(this.getScene(selectedOnly), null, "\t")),
`${this.file.basename}.excalidraw`,
);
}
public async svg(scene: any, theme?:string, embedScene?: boolean): Promise<SVGSVGElement> {
const ed = this.exportDialog;
const exportSettings: ExportSettings = {
withBackground: ed ? !ed.transparent : getWithBackground(this.plugin, this.file),
withTheme: true,
};
return await getSVG(
{
...scene,
...{
appState: {
...scene.appState,
theme: theme ?? (ed ? ed.theme : getExportTheme(this.plugin, this.file, scene.appState.theme)),
exportEmbedScene: typeof embedScene === "undefined"
? (ed ? ed.embedScene : false)
: embedScene,
},
},
},
exportSettings,
ed ? ed.padding : getExportPadding(this.plugin, this.file),
);
}
public async saveSVG(scene?: any, embedScene?: boolean) {
if (!scene) {
if (!this.getScene) {
return false;
}
scene = this.getScene();
}
const exportImage = async (filepath:string, theme?:string) => {
const file = app.vault.getAbstractFileByPath(normalizePath(filepath));
const svg = await this.svg(scene,theme, embedScene);
if (!svg) {
return;
}
const serializer = new XMLSerializer();
const svgString = serializer.serializeToString(
embedFontsInSVG(svg, this.plugin),
);
if (file && file instanceof TFile) {
await app.vault.modify(file, svgString);
} else {
await app.vault.create(filepath, svgString);
}
}
if(this.plugin.settings.autoExportLightAndDark) {
await exportImage(getIMGFilename(this.file.path, "dark.svg"),"dark");
await exportImage(getIMGFilename(this.file.path, "light.svg"),"light");
} else {
await exportImage(getIMGFilename(this.file.path, "svg"));
}
}
public async exportSVG(embedScene?: boolean, selectedOnly?: boolean):Promise<void> {
if (!this.getScene || !this.file) {
return;
}
let svg = await this.svg(this.getScene(selectedOnly),undefined,embedScene);
if (!svg) {
return;
}
svg = embedFontsInSVG(svg, this.plugin);
download(
null,
svgToBase64(svg.outerHTML),
`${this.file.basename}.svg`,
);
}
public async png(scene: any, theme?:string, embedScene?: boolean): Promise<Blob> {
const ed = this.exportDialog;
const exportSettings: ExportSettings = {
withBackground: ed ? !ed.transparent : getWithBackground(this.plugin, this.file),
withTheme: true,
};
return await getPNG(
{
...scene,
...{
appState: {
...scene.appState,
theme: theme ?? (ed ? ed.theme : getExportTheme(this.plugin, this.file, scene.appState.theme)),
exportEmbedScene: typeof embedScene === "undefined"
? (ed ? ed.embedScene : false)
: embedScene,
},
},
},
exportSettings,
ed ? ed.padding : getExportPadding(this.plugin, this.file),
ed ? ed.scale : getPNGScale(this.plugin, this.file),
);
}
public async savePNG(scene?: any, embedScene?: boolean) {
if (!scene) {
if (!this.getScene) {
return false;
}
scene = this.getScene();
}
const exportImage = async (filepath:string, theme?:string) => {
const file = app.vault.getAbstractFileByPath(normalizePath(filepath));
const png = await this.png(scene, theme, embedScene);
if (!png) {
return;
}
if (file && file instanceof TFile) {
await app.vault.modifyBinary(file, await png.arrayBuffer());
} else {
await app.vault.createBinary(filepath, await png.arrayBuffer());
}
}
if(this.plugin.settings.autoExportLightAndDark) {
await exportImage(getIMGFilename(this.file.path, "dark.png"),"dark");
await exportImage(getIMGFilename(this.file.path, "light.png"),"light");
} else {
await exportImage(getIMGFilename(this.file.path, "png"));
}
}
public async exportPNGToClipboard(embedScene?:boolean, selectedOnly?: boolean) {
if (!this.getScene || !this.file) {
return;
}
const png = await this.png(this.getScene(selectedOnly), undefined, embedScene);
if (!png) {
return;
}
// in Safari so far we need to construct the ClipboardItem synchronously
// (i.e. in the same tick) otherwise browser will complain for lack of
// user intent. Using a Promise ClipboardItem constructor solves this.
// https://bugs.webkit.org/show_bug.cgi?id=222262
//
// not await so that we can detect whether the thrown error likely relates
// to a lack of support for the Promise ClipboardItem constructor
await navigator.clipboard.write([
new window.ClipboardItem({
"image/png": png,
}),
]);
}
public async exportPNG(embedScene?:boolean, selectedOnly?: boolean):Promise<void> {
if (!this.getScene || !this.file) {
return;
}
const png = await this.png(this.getScene(selectedOnly), undefined, embedScene);
if (!png) {
return;
}
const reader = new FileReader();
reader.readAsDataURL(png);
const self = this;
reader.onloadend = function () {
const base64data = reader.result;
download(null, base64data, `${self.file.basename}.png`);
};
}
private preventReloadResetTimer: NodeJS.Timeout = null;
async save(preventReload: boolean = true, forcesave: boolean = false) {
if(!this.isLoaded) {
return;
}
//debug({where:"save", preventReload, forcesave, semaphores:this.semaphores});
if (this.semaphores.saving) {
return;
}
this.semaphores.saving = true;
//if there were no changes to the file super save will not save
//and consequently main.ts modifyEventHandler will not fire
//this.reload will not be called
//triggerReload is used to flag if there were no changes but file should be reloaded anyway
let triggerReload:boolean = false;
if (
!this.getScene ||
!this.excalidrawAPI ||
!this.isLoaded ||
!this.file ||
!app.vault.getAbstractFileByPath(this.file.path) //file was recently deleted
) {
this.semaphores.saving = false;
return;
}
try {
const allowSave = Boolean (
(this.semaphores.dirty !== null && this.semaphores.dirty) ||
this.semaphores.autosaving ||
forcesave
); //dirty == false when view.file == null;
const scene = this.getScene();
if (this.compatibilityMode) {
await this.excalidrawData.syncElements(scene);
} else if (
await this.excalidrawData.syncElements(scene, this.excalidrawAPI.getAppState().selectedElementIds)
&& !this.semaphores.popoutUnload //Obsidian going black after REACT 18 migration when closing last leaf on popout
) {
await this.loadDrawing(
false,
this.excalidrawAPI.getSceneElementsIncludingDeleted().filter((el:ExcalidrawElement)=>el.isDeleted)
);
}
if (allowSave) {
//reload() is triggered indirectly when saving by the modifyEventHandler in main.ts
//prevent reload is set here to override reload when not wanted: typically when the user is editing
//and we do not want to interrupt the flow by reloading the drawing into the canvas.
if(this.preventReloadResetTimer) {
clearTimeout(this.preventReloadResetTimer);
this.preventReloadResetTimer = null;
}
this.semaphores.preventReload = preventReload;
await super.save();
//saving to backup with a delay in case application closes in the meantime, I want to avoid both save and backup corrupted.
const path = this.file.path;
//@ts-ignore
const data = this.lastSavedData;
setTimeout(()=>imageCache.addBAKToCache(path,data),50);
triggerReload = (this.lastSaveTimestamp === this.file.stat.mtime) &&
!preventReload && forcesave;
this.lastSaveTimestamp = this.file.stat.mtime;
this.clearDirty();
//https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/629
//there were odd cases when preventReload semaphore did not get cleared and consequently a synchronized image
//did not update the open drawing
if(preventReload) {
const self = this;
this.preventReloadResetTimer = setTimeout(()=>self.semaphores.preventReload = false,2000);
}
}
// !triggerReload means file has not changed. No need to re-export
//https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/1209 (added popout unload to the condition)
if (!triggerReload && !this.semaphores.autosaving && (!this.semaphores.viewunload || this.semaphores.popoutUnload)) {
const autoexportPreference = this.excalidrawData.autoexportPreference;
if (
(autoexportPreference === AutoexportPreference.inherit && this.plugin.settings.autoexportSVG) ||
autoexportPreference === AutoexportPreference.both || autoexportPreference === AutoexportPreference.svg
) {
this.saveSVG();
}
if (
(autoexportPreference === AutoexportPreference.inherit && this.plugin.settings.autoexportPNG) ||
autoexportPreference === AutoexportPreference.both || autoexportPreference === AutoexportPreference.png
) {
this.savePNG();
}
if (
!this.compatibilityMode &&
this.plugin.settings.autoexportExcalidraw
) {
this.saveExcalidraw();
}
}
} catch (e) {
errorlog({
where: "ExcalidrawView.save",
fn: this.save,
error: e,
});
warningUnknowSeriousError();
}
this.semaphores.saving = false;
if(triggerReload) {
this.reload(true, this.file);
}
}
// get the new file content
// if drawing is in Text Element Edit Lock, then everything should be parsed and in sync
// if drawing is in Text Element Edit Unlock, then everything is raw and parse and so an async function is not required here
getViewData() {
if (!this.getScene || !this.excalidrawData.loaded) {
return this.data;
}
const scene = this.getScene();
if(!scene) {
return this.data;
}
//include deleted elements in save in case saving in markdown mode
//deleted elements are only used if sync modifies files while Excalidraw is open
//otherwise deleted elements are discarded when loading the scene
if (!this.compatibilityMode) {
let trimLocation = this.data.search(/(^%%\n)?# Text Elements\n/m);
if (trimLocation == -1) {
trimLocation = this.data.search(/(%%\n)?# Drawing\n/);
}
if (trimLocation == -1) {
return this.data;
}
const keys:[string,string][] = this.exportDialog?.dirty && this.exportDialog?.saveSettings
? [
[FRONTMATTER_KEY_EXPORT_PADDING, this.exportDialog.padding.toString()],
[FRONTMATTER_KEY_EXPORT_PNGSCALE, this.exportDialog.scale.toString()],
[FRONTMATTER_KEY_EXPORT_DARK, this.exportDialog.theme === "dark" ? "true" : "false"],
[FRONTMATTER_KEY_EXPORT_TRANSPARENT, this.exportDialog.transparent ? "true" : "false"],
[FRONTMATTER_KEY, this.textMode === TextMode.raw ? "raw" : "parsed"]
]
: [
[FRONTMATTER_KEY, this.textMode === TextMode.raw ? "raw" : "parsed"]
];
if(this.exportDialog?.dirty) {
this.exportDialog.dirty = false;
}
let header = updateFrontmatterInString(this.data.substring(0, trimLocation),keys);
//this should be removed at a later time. Left it here to remediate 1.4.9 mistake
const REG_IMG = /(^---[\w\W]*?---\n)(!\[\[.*?]]\n(%%\n)?)/m; //(%%\n)? because of 1.4.8-beta... to be backward compatible with anyone who installed that version
if (header.match(REG_IMG)) {
header = header.replace(REG_IMG, "$1");
}
//end of remove
if (!this.excalidrawData.disableCompression) {
this.excalidrawData.disableCompression =
this.isEditedAsMarkdownInOtherView();
}
const result = header + this.excalidrawData.generateMD(
this.excalidrawAPI.getSceneElementsIncludingDeleted().filter((el:ExcalidrawElement)=>el.isDeleted) //will be concatenated to scene.elements
);
this.excalidrawData.disableCompression = false;
return result;
}
if (this.compatibilityMode) {
return JSON.stringify(scene, null, "\t");
}
return this.data;
}
private hiddenMobileLeaves:[WorkspaceLeaf,string][] = [];
restoreMobileLeaves() {
if(this.hiddenMobileLeaves.length>0) {
this.hiddenMobileLeaves.forEach((x:[WorkspaceLeaf,string])=>{
//@ts-ignore
x[0].containerEl.style.display = x[1];
})
this.hiddenMobileLeaves = [];
}
}
toggleDisableBinding() {
const newState = !this.excalidrawAPI.getAppState().invertBindingBehaviour;
this.updateScene({appState: {invertBindingBehaviour:newState}});
new Notice(newState ? "Inverted Mode: Default arrow binding is now disabled. Use CTRL/CMD to temporarily enable binding when needed." : "Normal Mode: Arrow binding is now enabled. Use CTRL/CMD to temporarily disable binding when needed.");
}
toggleFrameRendering() {
const frameRenderingSt = (this.excalidrawAPI as ExcalidrawImperativeAPI).getAppState().frameRendering;
this.updateScene({appState: {frameRendering: {...frameRenderingSt, enabled: !frameRenderingSt.enabled}}});
new Notice(frameRenderingSt.enabled ? "Frame Rendering: Enabled" : "Frame Rendering: Disabled");
}
toggleFrameClipping() {
const frameRenderingSt = (this.excalidrawAPI as ExcalidrawImperativeAPI).getAppState().frameRendering;
this.updateScene({appState: {frameRendering: {...frameRenderingSt, clip: !frameRenderingSt.clip}}});
new Notice(frameRenderingSt.clip ? "Frame Clipping: Enabled" : "Frame Clipping: Disabled");
}
gotoFullscreen() {
if(this.plugin.leafChangeTimeout) {
clearTimeout(this.plugin.leafChangeTimeout);
this.plugin.leafChangeTimeout = null;
}
if (!this.excalidrawWrapperRef) {
return;
}
if (this.toolsPanelRef && this.toolsPanelRef.current) {
this.toolsPanelRef.current.setFullscreen(true);
}
const hide = (el:HTMLElement) => {
while(el && !el.hasClass("workspace-split")) {
el.addClass(SHOW);
el = el.parentElement;
}
if(el) {
el.addClass(SHOW);
el.querySelectorAll(`div.workspace-split:not(.${SHOW})`).forEach(el=>el.addClass(SHOW));
el.querySelector(`div.workspace-leaf-content.${SHOW} > .view-header`).addClass(SHOW);
el.querySelectorAll(`div.workspace-tab-container.${SHOW} > div.workspace-leaf:not(.${SHOW})`).forEach(el=>el.addClass(SHOW));
el.querySelectorAll(`div.workspace-tabs.${SHOW} > div.workspace-tab-header-container`).forEach(el=>el.addClass(SHOW));
el.querySelectorAll(`div.workspace-split.${SHOW} > div.workspace-tabs:not(.${SHOW})`).forEach(el=>el.addClass(SHOW));
}
const doc = this.ownerDocument;
doc.body.querySelectorAll(`div.workspace-split:not(.${SHOW})`).forEach(el=>el.addClass(HIDE));
doc.body.querySelector(`div.workspace-leaf-content.${SHOW} > .view-header`).addClass(HIDE);
doc.body.querySelectorAll(`div.workspace-tab-container.${SHOW} > div.workspace-leaf:not(.${SHOW})`).forEach(el=>el.addClass(HIDE));
doc.body.querySelectorAll(`div.workspace-tabs.${SHOW} > div.workspace-tab-header-container`).forEach(el=>el.addClass(HIDE));
doc.body.querySelectorAll(`div.workspace-split.${SHOW} > div.workspace-tabs:not(.${SHOW})`).forEach(el=>el.addClass(HIDE));
doc.body.querySelectorAll(`div.workspace-ribbon`).forEach(el=>el.addClass(HIDE));
doc.body.querySelectorAll(`div.mobile-navbar`).forEach(el=>el.addClass(HIDE));
doc.body.querySelectorAll(`div.status-bar`).forEach(el=>el.addClass(HIDE));
}
hide(this.contentEl);
}
isFullscreen(): boolean {
return Boolean(document.body.querySelector(".excalidraw-hidden"));
}
exitFullscreen() {
if (this.toolsPanelRef && this.toolsPanelRef.current) {
this.toolsPanelRef.current.setFullscreen(false);
}
const doc = this.ownerDocument;
doc.querySelectorAll(".excalidraw-hidden").forEach(el=>el.removeClass(HIDE));
doc.querySelectorAll(".excalidraw-visible").forEach(el=>el.removeClass(SHOW));
}
removeLinkTooltip() {
//.classList.remove("excalidraw-tooltip--visible");document.querySelector(".excalidraw-tooltip",);
const tooltip = this.ownerDocument.body.querySelector(
"body>div.excalidraw-tooltip,div.excalidraw-tooltip--visible",
);
if (tooltip) {
tooltip.classList.remove("excalidraw-tooltip--visible")
//this.ownerDocument.body.removeChild(tooltip);
}
}
handleLinkHookCall(element:ExcalidrawElement,link:string, event:any):boolean {
if(this.getHookServer().onLinkClickHook) {
try {
if(!this.getHookServer().onLinkClickHook(
element,
link,
event,
this,
this.getHookServer()
)) {
return true;
}
} catch (e) {
errorlog({where: "ExcalidrawView.onLinkOpen", fn: this.getHookServer().onLinkClickHook, error: e});
}
}
return false;
}
openExternalLink(link:string, element?: ExcalidrawElement):boolean {
if (link.match(REG_LINKINDEX_HYPERLINK)) {
window.open(link, "_blank");
return true;
}
return false;
}
openTagSearch(link:string) {
const tags = link
.matchAll(/#([\p{Letter}\p{Emoji_Presentation}\p{Number}\/_-]+)/gu)
.next();
if (!tags.value || tags.value.length < 2) {
return;
}
const search = app.workspace.getLeavesOfType("search");
if (search.length == 0) {
return;
}
//@ts-ignore
search[0].view.setQuery(`tag:${tags.value[1]}`);
app.workspace.revealLeaf(search[0]);
if (this.isFullscreen()) {
this.exitFullscreen();
}
return;
}
async linkClick(
ev: MouseEvent,
selectedText: SelectedElementWithLink,
selectedImage: SelectedImage,
selectedElementWithLink: SelectedElementWithLink,
keys?: ModifierKeys
) {
if(!selectedText) selectedText = {id:null, text: null};
if(!selectedImage) selectedImage = {id:null, fileId: null};
if(!selectedElementWithLink) selectedElementWithLink = {id:null, text:null};
if(!keys) keys = {shiftKey: ev.shiftKey, ctrlKey: ev.ctrlKey, metaKey: ev.metaKey, altKey: ev.altKey};
const linkClickType = linkClickModifierType(keys);
let file = null;
let subpath: string = null;
let linkText: string = null;
if (selectedText?.id || selectedElementWithLink?.id) {
linkText =
selectedElementWithLink?.text ??
(this.textMode === TextMode.parsed
? this.excalidrawData.getRawText(selectedText.id)
: selectedText.text);
if (!linkText) {
return;
}
linkText = linkText.replaceAll("\n", ""); //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/187
const id = selectedText.id??selectedElementWithLink.id;
const el = this.excalidrawAPI.getSceneElements().filter((el:ExcalidrawElement)=>el.id === id)[0];
if(this.handleLinkHookCall(el,linkText,ev)) return;
if(this.openExternalLink(linkText)) return;
const partsArray = REGEX_LINK.getResList(linkText);
let parts = partsArray[0];
if (partsArray.length > 1) {
parts = await ScriptEngine.suggester(
app,
partsArray.filter(p=>Boolean(p.value)).map(p => REGEX_LINK.getLink(p)),
partsArray.filter(p=>Boolean(p.value)),
"Select link to open"
);
if(!parts) return;
}
//parts = REGEX_LINK.getRes(linkText).next();
if (!parts?.value) {
this.openTagSearch(linkText);
return;
}
linkText = REGEX_LINK.getLink(parts);
if(this.openExternalLink(linkText)) return;
if (linkText.search("#") > -1) {
const linkParts = getLinkParts(linkText, this.file);
subpath = `#${linkParts.isBlockRef ? "^" : ""}${linkParts.ref}`;
linkText = linkParts.path;
}
if (linkText.match(REG_LINKINDEX_INVALIDCHARS)) {
new Notice(t("FILENAME_INVALID_CHARS"), 4000);
return;
}
file = this.app.metadataCache.getFirstLinkpathDest(
linkText,
this.file.path,
);
}
if (selectedImage?.id) {
if (this.excalidrawData.hasEquation(selectedImage.fileId)) {
const equation = this.excalidrawData.getEquation(
selectedImage.fileId,
).latex;
const prompt = new Prompt(app, t("ENTER_LATEX"), equation, "");
prompt.openAndGetValue(async (formula: string) => {
if (!formula || formula === equation) {
return;
}
this.excalidrawData.setEquation(selectedImage.fileId, {
latex: formula,
isLoaded: false,
});
await this.save(false);
await updateEquation(
formula,
selectedImage.fileId,
this,
addFiles,
this.plugin,
);
this.setDirty(1);
});
return;
}
await this.save(false); //in case pasted images haven't been saved yet
if (this.excalidrawData.hasFile(selectedImage.fileId)) {
const ef = this.excalidrawData.getFile(selectedImage.fileId);
if(ef.isHyperlink) {
window.open(ef.hyperlink,"_blank");
return;
}
if (linkClickType === "md-properties") {
if (
ef.file.extension === "md" &&
!this.plugin.isExcalidrawFile(ef.file)
) {
const handler = async (link:string) => {
if (!link || ef.linkParts.original === link) {
return;
}
ef.resetImage(this.file.path, link);
this.setDirty(2);
await this.save(false);
await this.loadSceneFiles();
}
GenericInputPrompt.Prompt(
this,
this.plugin,
app,
"Customize the link",
undefined,
ef.linkParts.original,
[{caption: "✅", action: handler}],
1,
false,
(container) => container.createEl("p",{text: fragWithHTML("Do not add [[square brackets]] around the filename!<br>Follow this format when editing your link:<br><mark>filename#^blockref|WIDTHxMAXHEIGHT</mark>")}),
false
).then(handler, () => {});
return;
}
}
linkText = ef.file.path;
file = ef.file;
if(file.extension.toLowerCase() === "pdf") {
subpath = ef.linkParts.original.match(/(#.*)$/)?.[1];
}
}
}
if (!linkText) {
new Notice(t("LINK_BUTTON_CLICK_NO_TEXT"), 20000);
return;
}
const id = selectedImage.id??selectedText.id??selectedElementWithLink.id;
const el = this.excalidrawAPI.getSceneElements().filter((el:ExcalidrawElement)=>el.id === id)[0];
if(this.handleLinkHookCall(el,linkText,ev)) return;
try {
if (linkClickType !== "active-pane" && this.isFullscreen()) {
this.exitFullscreen();
}
if (!file) {
new NewFileActions(this.plugin, linkText, keys, this).open();
return;
}
if(this.linksAlwaysOpenInANewPane && !anyModifierKeysPressed(keys)) {
keys = emulateKeysForLinkClick("new-pane");
}
const leaf = getLeaf(this.plugin,this.leaf,keys);
try {
//@ts-ignore
const drawIO = app.plugins.plugins["drawio-obsidian"];
if(drawIO && drawIO._loaded) {
if(file.extension === "svg") {
const svg = await this.app.vault.cachedRead(file);
if(/(&lt;|\<)(mxfile|mxgraph)/i.test(svg)) {
leaf.setViewState({
type: "diagram-edit",
state: {
file: file.path
}
});
return;
}
}
}
} catch(e) {
console.error(e);
}
await leaf.openFile(file, {
active: !this.linksAlwaysOpenInANewPane,
...subpath ? { eState: { subpath } } : {}
}); //if file exists open file and jump to reference
//view.app.workspace.setActiveLeaf(leaf, true, true); //0.15.4 ExcaliBrain focus issue
} catch (e) {
new Notice(e, 4000);
}
}
async handleLinkClick(ev: MouseEvent) {
this.removeLinkTooltip();
const selectedText = this.getSelectedTextElement();
const selectedImage = selectedText?.id
? null
: this.getSelectedImageElement();
const selectedElementWithLink =
selectedImage?.id || selectedText?.id
? null
: this.getSelectedElementWithLink();
this.linkClick(
ev,
selectedText,
selectedImage,
selectedElementWithLink
);
}
onResize() {
if(this.plugin.leafChangeTimeout) return; //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/723
const api = this.excalidrawAPI;
if (
!this.plugin.settings.zoomToFitOnResize ||
!this.excalidrawRef ||
this.semaphores.isEditingText ||
!api
) {
return;
}
//final fallback to prevent resizing when text element is in edit mode
//this is to prevent jumping text due to on-screen keyboard popup
if (api.getAppState()?.editingElement?.type === "text") {
return;
}
this.zoomToFit(false);
}
diskIcon: HTMLElement;
excalidrawGetSceneVersion: (elements: ExcalidrawElement[]) => number;
getSceneVersion (elements: ExcalidrawElement[]):number {
if(!this.excalidrawGetSceneVersion) {
this.excalidrawGetSceneVersion = this.plugin.getPackage(this.ownerWindow).excalidrawLib.getSceneVersion;
}
return this.excalidrawGetSceneVersion(elements.filter(el=>!el.isDeleted));
}
wheelEvent: (ev:WheelEvent)=>void;
clearHoverPreview: Function;
public async forceSave(silent:boolean=false) {
if (this.semaphores.autosaving || this.semaphores.saving) {
if(!silent) new Notice("Force Save aborted because saving is in progress)")
return;
}
if(this.preventReloadResetTimer) {
clearTimeout(this.preventReloadResetTimer);
this.preventReloadResetTimer = null;
}
this.semaphores.preventReload = false;
this.semaphores.forceSaving = true;
await this.save(false, true);
this.plugin.triggerEmbedUpdates();
this.loadSceneFiles();
this.semaphores.forceSaving = false;
if(!silent) new Notice("Save successful", 1000);
}
onload() {
const apiMissing = Boolean(typeof this.containerEl.onWindowMigrated === "undefined")
//@ts-ignore
if(!app.isMobile && !apiMissing) this.containerEl.onWindowMigrated(()=>this.leaf.rebuildView());
const doc = app.isMobile?document:this.containerEl.ownerDocument;
this.ownerDocument = doc;
this.ownerWindow = this.ownerDocument.defaultView;
this.plugin.getPackage(this.ownerWindow);
this.semaphores.scriptsReady = true;
this.wheelEvent = (ev:WheelEvent) => {
if(this.semaphores.wheelTimeout) clearTimeout(this.semaphores.wheelTimeout);
if(this.semaphores.hoverSleep && this.clearHoverPreview) this.clearHoverPreview();
this.semaphores.wheelTimeout = setTimeout(()=>{
clearTimeout(this.semaphores.wheelTimeout);
this.semaphores.wheelTimeout = null;
},1000);
}
this.containerEl.addEventListener("wheel", this.wheelEvent, {
passive: false,
});
this.addAction(SCRIPTENGINE_ICON_NAME, t("INSTALL_SCRIPT_BUTTON"), () => {
new ScriptInstallPrompt(this.plugin).open();
});
this.diskIcon = this.addAction(
DISK_ICON_NAME,
t("FORCE_SAVE"),
async () => this.forceSave(),
);
this.textIsRaw_Element = this.addAction(
TEXT_DISPLAY_RAW_ICON_NAME,
t("RAW"),
() => this.changeTextMode(TextMode.parsed),
);
this.textIsParsed_Element = this.addAction(
TEXT_DISPLAY_PARSED_ICON_NAME,
t("PARSED"),
() => this.changeTextMode(TextMode.raw),
);
this.linkAction_Element = this.addAction("link", t("OPEN_LINK"), (ev) =>
this.handleLinkClick(ev),
);
const self = this;
app.workspace.onLayoutReady(async () => {
this.canvasNodeFactory.initialize();
self.contentEl.addClass("excalidraw-view");
//https://github.com/zsviczian/excalibrain/issues/28
await self.addSlidingPanesListner(); //awaiting this because when using workspaces, onLayoutReady comes too early
self.addParentMoveObserver();
self.onKeyUp = (e: KeyboardEvent) => {
self.modifierKeyDown = {
shiftKey: e.shiftKey,
ctrlKey: e.ctrlKey,
altKey: e.altKey,
metaKey: e.metaKey
}
};
self.onKeyDown = (e: KeyboardEvent) => {
this.modifierKeyDown = {
shiftKey: e.shiftKey,
ctrlKey: e.ctrlKey,
altKey: e.altKey,
metaKey: e.metaKey
}
};
self.ownerWindow.addEventListener("keydown", self.onKeyDown, false);
self.ownerWindow.addEventListener("keyup", self.onKeyUp, false);
});
this.setupAutosaveTimer();
super.onload();
}
//this is to solve sliding panes bug
//https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/9
private slidingPanesListner: any;
private async addSlidingPanesListner() {
const self = this;
this.slidingPanesListner = () => {
if (self.refresh) {
self.refresh();
}
};
let rootSplit = app.workspace.rootSplit as WorkspaceItem as WorkspaceItemExt;
while(!rootSplit) {
await sleep(50);
rootSplit = app.workspace.rootSplit as WorkspaceItem as WorkspaceItemExt;
}
rootSplit.containerEl.addEventListener("scroll", this.slidingPanesListner);
}
private removeSlidingPanesListner() {
if (this.slidingPanesListner) {
(
app.workspace.rootSplit as WorkspaceItem as WorkspaceItemExt
).containerEl?.removeEventListener("scroll", this.slidingPanesListner);
}
}
//https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/572
private offsetLeft: number = 0;
private offsetTop: number = 0;
private addParentMoveObserver() {
const parent =
getParentOfClass(this.containerEl, "popover") ??
getParentOfClass(this.containerEl, "workspace-leaf");
if (!parent) {
return;
}
const inHoverEditorLeaf = parent.classList.contains("popover");
this.offsetLeft = parent.offsetLeft;
this.offsetTop = parent.offsetTop;
const self = this;
this.parentMoveObserver = new MutationObserver(
async (m: MutationRecord[]) => {
const target = m[0].target;
if (!(target instanceof HTMLElement)) {
return;
}
const { offsetLeft, offsetTop } = target;
if (offsetLeft !== self.offsetLeft || offsetTop != self.offsetTop) {
if (self.refresh) {
self.refresh();
}
self.offsetLeft = offsetLeft;
self.offsetTop = offsetTop;
}
},
);
this.parentMoveObserver.observe(parent, {
attributeOldValue: true,
attributeFilter: inHoverEditorLeaf
? ["data-x", "data-y"]
: ["class", "style"],
});
}
private removeParentMoveObserver() {
if (this.parentMoveObserver) {
this.parentMoveObserver.disconnect();
}
}
public setTheme(theme: string) {
const api = this.excalidrawAPI;
if (!this.excalidrawRef || !api) {
return;
}
if (this.file) {
//if there is an export theme set, override the theme change
if (hasExportTheme(this.plugin, this.file)) {
return;
}
}
const st: AppState = api.getAppState();
this.excalidrawData.scene.theme = theme;
//debug({where:"ExcalidrawView.setTheme",file:this.file.name,dataTheme:this.excalidrawData.scene.appState.theme,before:"updateScene"});
this.updateScene({
appState: {
...st,
theme,
},
commitToHistory: false,
});
}
private prevTextMode: TextMode;
private blockTextModeChange: boolean = false;
public async changeTextMode(textMode: TextMode, reload: boolean = true) {
if(this.compatibilityMode) return;
if(this.blockTextModeChange) return;
this.blockTextModeChange = true;
this.textMode = textMode;
if (textMode === TextMode.parsed) {
this.textIsRaw_Element.hide();
this.textIsParsed_Element.show();
} else {
this.textIsRaw_Element.show();
this.textIsParsed_Element.hide();
}
if (this.toolsPanelRef && this.toolsPanelRef.current) {
this.toolsPanelRef.current.setPreviewMode(textMode === TextMode.parsed);
}
const api = this.excalidrawAPI;
if (api && reload) {
await this.save();
this.preventAutozoom();
await this.excalidrawData.loadData(this.data, this.file, this.textMode);
this.excalidrawData.scene.appState.theme = api.getAppState().theme;
await this.loadDrawing(false);
api.history.clear(); //to avoid undo replacing links with parsed text
}
this.prevTextMode = this.textMode;
this.blockTextModeChange = false;
}
public autosaveFunction: Function;
public setupAutosaveTimer() {
const timer = async () => {
if(!this.isLoaded) {
this.autosaveTimer = setTimeout(
timer,
this.plugin.settings.autosaveInterval,
);
return;
}
const api = this.excalidrawAPI;
if (!api) {
warningUnknowSeriousError();
return;
}
const st = api.getAppState();
const editing = st.editingElement !== null;
//this will reset positioning of the cursor in case due to the popup keyboard,
//or the command palette, or some other unexpected reason the onResize would not fire...
this.refresh();
if (
this.semaphores.dirty &&
this.semaphores.dirty == this.file?.path &&
this.plugin.settings.autosave &&
!this.semaphores.forceSaving &&
!this.semaphores.autosaving &&
!editing &&
st.draggingElement === null //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/630
) {
this.autosaveTimer = null;
if (this.excalidrawRef) {
this.semaphores.autosaving = true;
const self = this;
//changed from await to then to avoid lag during saving of large file
this.save().then(()=>self.semaphores.autosaving = false);
}
this.autosaveTimer = setTimeout(
timer,
this.plugin.settings.autosaveInterval,
);
} else {
this.autosaveTimer = setTimeout(
timer,
this.plugin.activeExcalidrawView === this &&
this.semaphores.dirty &&
this.plugin.settings.autosave
? 1000 //try again in 1 second
: this.plugin.settings.autosaveInterval,
);
}
};
this.autosaveFunction = timer;
if (this.autosaveTimer) {
clearTimeout(this.autosaveTimer);
this.autosaveTimer = null;
} // clear previous timer if one exists
this.autosaveTimer = setTimeout(
timer,
this.plugin.settings.autosaveInterval,
);
}
//save current drawing when user closes workspace leaf
onunload() {
this.restoreMobileLeaves();
this.semaphores.viewunload = true;
this.semaphores.popoutUnload = (this.ownerDocument !== document) && (this.ownerDocument.body.querySelectorAll(".workspace-tab-header").length === 0);
this.ownerWindow?.removeEventListener("keydown", this.onKeyDown, false);
this.ownerWindow?.removeEventListener("keyup", this.onKeyUp, false);
this.containerEl.removeEventListener("wheel", this.wheelEvent, false);
if(this.getHookServer().onViewUnloadHook) {
try {
this.getHookServer().onViewUnloadHook(this);
} catch(e) {
errorlog({where: "ExcalidrawView.onunload", fn: this.getHookServer().onViewUnloadHook, error: e});
}
}
const tooltip = this.containerEl?.ownerDocument?.body.querySelector(
"body>div.excalidraw-tooltip,div.excalidraw-tooltip--visible",
);
if (tooltip) {
this.containerEl?.ownerDocument?.body.removeChild(tooltip);
}
this.removeParentMoveObserver();
this.removeSlidingPanesListner();
if (this.autosaveTimer) {
clearInterval(this.autosaveTimer);
this.autosaveTimer = null;
}
const path = this.file?.path;
const plugin = this.plugin;
if (path) {
setTimeout(() => {
plugin.triggerEmbedUpdates(path);
}, 300);
}
}
/**
* reload is triggered by the modifyEventHandler in main.ts when ever an excalidraw drawing that is currently open
* in a workspace leaf is modified. There can be two reasons for the file change:
* - The user saves the drawing in the active view (either force-save or autosave)
* - The file is modified by some other process, typically as a result of background sync, or because the drawing is open
* side by side, e.g. the canvas in one view and markdown view in the other.
* @param fullreload
* @param file
* @returns
*/
public async reload(fullreload: boolean = false, file?: TFile) {
if (this.semaphores.preventReload) {
this.semaphores.preventReload = false;
return;
}
if (this.semaphores.saving) return;
this.lastLoadedFile = null;
this.diskIcon.querySelector("svg").removeClass("excalidraw-dirty");
if (this.compatibilityMode) {
this.clearDirty();
return;
}
const api = this.excalidrawAPI;
if (!this.excalidrawRef || !this.file || !api) {
return;
}
const loadOnModifyTrigger = file && file === this.file;
if (loadOnModifyTrigger) {
this.data = await app.vault.read(file);
this.preventAutozoom();
}
if (fullreload) {
await this.excalidrawData.loadData(this.data, this.file, this.textMode);
} else {
await this.excalidrawData.setTextMode(this.textMode);
}
this.excalidrawData.scene.appState.theme = api.getAppState().theme;
await this.loadDrawing(loadOnModifyTrigger);
this.clearDirty();
}
async zoomToElementId(id: string, hasGroupref:boolean) {
let counter = 0;
while (!this.excalidrawAPI && counter++<100) await sleep(50); //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/734
const api = this.excalidrawAPI;
if (!api) {
return;
}
const sceneElements = api.getSceneElements();
let elements = sceneElements.filter((el: ExcalidrawElement) => el.id === id);
if(elements.length === 0) return;
if(hasGroupref) {
const groupElements = this.plugin.ea.getElementsInTheSameGroupWithElement(elements[0],sceneElements)
if(groupElements.length>0) {
elements = groupElements;
}
}
this.preventAutozoom();
this.zoomToElements(!api.getAppState().viewModeEnabled, elements);
}
setEphemeralState(state: any): void {
if (!state) {
return;
}
const self = this;
let query: string[] = null;
if (
state.match &&
state.match.content &&
state.match.matches &&
state.match.matches.length === 1 &&
state.match.matches[0].length === 2
) {
query = [
state.match.content.substring(
state.match.matches[0][0],
state.match.matches[0][1],
),
];
}
const waitForExcalidraw = async () => {
let counter = 0;
while (
(self.semaphores.justLoaded ||
!self.isLoaded ||
!self.excalidrawAPI ||
self.excalidrawAPI?.getAppState()?.isLoading) &&
counter++<100
) await sleep(50); //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/734
}
const filenameParts = getEmbeddedFilenameParts(state.subpath);
if(filenameParts.hasBlockref) {
setTimeout(async () => {
await waitForExcalidraw();
setTimeout(()=>self.zoomToElementId(filenameParts.blockref, filenameParts.hasGroupref));
});
}
if(filenameParts.hasSectionref) {
query = [`# ${filenameParts.sectionref}`]
} else if (state.line && state.line > 0) {
query = [this.data.split("\n")[state.line - 1]];
}
if (query) {
setTimeout(async () => {
await waitForExcalidraw();
const api = self.excalidrawAPI;
if (!api) return;
if (api.getAppState().isLoading) return;
const elements = api.getSceneElements() as ExcalidrawElement[];
if(query.length === 1 && query[0].startsWith("[")) {
const partsArray = REGEX_LINK.getResList(query[0]);
let parts = partsArray[0];
if(parts) {
const linkText = REGEX_LINK.getLink(parts);
if(linkText) {
const file = self.plugin.app.metadataCache.getFirstLinkpathDest(linkText, self.file.path);
if(file) {
let fileId:FileId[] = [];
self.excalidrawData.files.forEach((ef,fileID) => {
if(ef.file?.path === file.path) fileId.push(fileID);
});
if(fileId.length>0) {
const images = elements.filter(el=>el.type === "image" && fileId.includes(el.fileId));
if(images.length>0) {
this.preventAutozoom();
setTimeout(()=>self.zoomToElements(!api.getAppState().viewModeEnabled, images));
}
}
}
}
}
}
self.selectElementsMatchingQuery(
elements,
query,
!api.getAppState().viewModeEnabled,
filenameParts.hasSectionref,
filenameParts.hasGroupref
);
});
}
super.setEphemeralState(state);
}
// clear the view content
clear() {
this.canvasNodeFactory.purgeNodes();
this.embeddableRefs.clear();
this.embeddableLeafRefs.clear();
delete this.exportDialog;
const api = this.excalidrawAPI;
if (!this.excalidrawRef || !api) {
return;
}
if (this.activeLoader) {
this.activeLoader.terminate = true;
this.activeLoader = null;
}
this.nextLoader = null;
api.resetScene();
this.previousSceneVersion = 0;
}
public isLoaded: boolean = false;
async setViewData(data: string, clear: boolean = false) {
//I am using last loaded file to control when the view reloads.
//It seems text file view gets the modified file event after sync before the modifyEventHandler in main.ts
//reload can only be triggered via reload()
if(this.lastLoadedFile === this.file) return;
this.isLoaded = false;
if(!this.file) return;
if(this.plugin.settings.showNewVersionNotification) checkExcalidrawVersion(app);
if (clear) {
this.clear();
}
this.lastSaveTimestamp = this.file.stat.mtime;
this.lastLoadedFile = this.file;
data = this.data = data.replaceAll("\r\n", "\n").replaceAll("\r", "\n");
app.workspace.onLayoutReady(async () => {
this.compatibilityMode = this.file.extension === "excalidraw";
await this.plugin.loadSettings();
if (this.compatibilityMode) {
this.textIsRaw_Element.hide();
this.textIsParsed_Element.hide();
this.linkAction_Element.hide();
this.textMode = TextMode.raw;
await this.excalidrawData.loadLegacyData(data, this.file);
if (!this.plugin.settings.compatibilityMode) {
new Notice(t("COMPATIBILITY_MODE"), 4000);
}
this.excalidrawData.disableCompression = true;
} else {
this.linkAction_Element.show();
this.excalidrawData.disableCompression = false;
const textMode = getTextMode(data);
this.changeTextMode(textMode, false);
try {
if (
!(await this.excalidrawData.loadData(
data,
this.file,
this.textMode,
))
) {
return;
}
} catch (e) {
errorlog({ where: "ExcalidrawView.setViewData", error: e });
if(e.message === ERROR_IFRAME_CONVERSION_CANCELED) {
this.setMarkdownView();
return;
}
const file = this.file;
const plugin = this.plugin;
const leaf = this.leaf;
(async () => {
let confirmation:boolean = true;
let counter = 0;
const timestamp = Date.now();
while (!imageCache.isReady() && confirmation) {
const message = `You've been now wating for <b>${Math.round((Date.now()-timestamp)/1000)}</b> seconds. `
imageCache.initializationNotice = true;
const confirmationPrompt = new ConfirmationPrompt(plugin,
`${counter>0
? counter%4 === 0
? message + "The CACHE is still loading.<br><br>"
: counter%4 === 1
? message + "Watch the top rigth corner for the notification.<br><br>"
: counter%4 === 2
? message + "I really, really hope the backup will work for you! <br><br>"
: message + "I am sorry, it is taking a while, there is not much I can do... <br><br>"
: ""}${t("CACHE_NOT_READY")}`);
confirmation = await confirmationPrompt.waitForClose
counter++;
}
const drawingBAK = await imageCache.getBAKFromCache(file.path);
if (!drawingBAK) {
new Notice(
`Error loading drawing:\n${e.message}${
e.message === "Cannot read property 'index' of undefined"
? "\n'# Drawing' section is likely missing"
: ""
}\n\nTry manually fixing the file or restoring an earlier version from sync history.`,
10000,
);
return;
}
const confirmationPrompt = new ConfirmationPrompt(plugin,t("BACKUP_AVAILABLE"));
confirmationPrompt.waitForClose.then(async (confirmed) => {
if (confirmed) {
await app.vault.modify(file, drawingBAK);
//@ts-ignore
plugin.excalidrawFileModes[leaf.id || file.path] = VIEW_TYPE_EXCALIDRAW;
plugin.setExcalidrawView(leaf);
}
});
})();
this.setMarkdownView();
return;
}
}
await this.loadDrawing(true);
if(this.plugin.ea.onFileOpenHook) {
try {
await this.plugin.ea.onFileOpenHook({
ea: getEA(this),
excalidrawFile: this.file,
view: this,
});
} catch(e) {
errorlog({ where: "ExcalidrawView.setViewData.onFileOpenHook", error: e });
}
}
const script = this.excalidrawData.getOnLoadScript();
if(script) {
const self = this;
const scriptname = this.file.basename+ "-onlaod-script";
const runScript = () => {
if(!self.excalidrawAPI) { //need to wait for Excalidraw to initialize
setTimeout(runScript,200);
return;
}
self.plugin.scriptEngine.executeScript(self,script,scriptname,this.file);
}
runScript();
}
this.isLoaded = true;
});
}
private getGridColor(bgColor: string, st: AppState):{Bold: string, Regular: string, MajorGridFrequency: number} {
const cm = this.plugin.ea.getCM(bgColor);
const isDark = cm.isDark();
const Regular = (isDark ? cm.lighterBy(7) : cm.darkerBy(7)).stringHEX();
const Bold = (isDark ? cm.lighterBy(14) : cm.darkerBy(14)).stringHEX();
return {Bold, Regular, MajorGridFrequency:st.gridColor.MajorGridFrequency};
}
public activeLoader: EmbeddedFilesLoader = null;
private nextLoader: EmbeddedFilesLoader = null;
public async loadSceneFiles() {
if (!this.excalidrawAPI) {
return;
}
const loader = new EmbeddedFilesLoader(this.plugin);
const runLoader = (l: EmbeddedFilesLoader) => {
this.nextLoader = null;
this.activeLoader = l;
l.loadSceneFiles(
this.excalidrawData,
(files: FileData[], isDark: boolean, final:boolean = true) => {
if (!files) {
return;
}
addFiles(files, this, isDark);
if(!final) return;
this.activeLoader = null;
if (this.nextLoader) {
runLoader(this.nextLoader);
} else {
//in case one or more files have not loaded retry later hoping that sync has delivered the file in the mean time.
this.excalidrawData.getFiles().some(ef=>{
if(ef && !ef.file && ef.attemptCounter<30) {
const self = this;
const currentFile = this.file.path;
setTimeout(async ()=>{
if(self && self.excalidrawAPI && currentFile === self.file.path) {
self.loadSceneFiles();
}
},2000)
return true;
}
return false;
})
}
},0
);
};
if (!this.activeLoader) {
runLoader(loader);
} else {
this.nextLoader = loader;
}
}
public async synchronizeWithData(inData: ExcalidrawData) {
//check if saving, wait until not
let counter = 0;
while(this.semaphores.saving && counter++<30) {
await sleep(100);
}
if(counter>=30) {
errorlog({
where:"ExcalidrawView.synchronizeWithData",
message:`Aborting sync with received file (${this.file.path}) because semaphores.saving remained true for ower 3 seconds`,
"fn": this.synchronizeWithData
});
return;
}
this.semaphores.saving = true;
let reloadFiles = false;
try {
const deletedIds = inData.deletedElements.map(el=>el.id);
const sceneElements = this.excalidrawAPI.getSceneElementsIncludingDeleted()
//remove deleted elements
.filter((el: ExcalidrawElement)=>!deletedIds.contains(el.id));
const sceneElementIds = sceneElements.map((el:ExcalidrawElement)=>el.id);
const manageMapChanges = (incomingElement: ExcalidrawElement ) => {
switch(incomingElement.type) {
case "text":
this.excalidrawData.textElements.set(
incomingElement.id,
inData.textElements.get(incomingElement.id)
);
break;
case "image":
if(inData.getFile(incomingElement.fileId)) {
this.excalidrawData.setFile(
incomingElement.fileId,
inData.getFile(incomingElement.fileId)
);
reloadFiles = true;
} else if (inData.getEquation(incomingElement.fileId)) {
this.excalidrawData.setEquation(
incomingElement.fileId,
inData.getEquation(incomingElement.fileId)
)
reloadFiles = true;
}
break;
}
if(inData.elementLinks.has(incomingElement.id)) {
this.excalidrawData.elementLinks.set(
incomingElement.id,
inData.elementLinks.get(incomingElement.id)
)
}
}
//update items with higher version number then in scene
inData.scene.elements.forEach((
incomingElement:ExcalidrawElement,
idx: number,
inElements: ExcalidrawElement[]
)=>{
const sceneElement:ExcalidrawElement = sceneElements.filter(
(element:ExcalidrawElement)=>element.id === incomingElement.id
)[0];
if(
sceneElement &&
(sceneElement.version < incomingElement.version ||
//in case of competing versions of the truth, the incoming version will be honored
(sceneElement.version === incomingElement.version &&
JSON.stringify(sceneElement) !== JSON.stringify(incomingElement))
)
) {
manageMapChanges(incomingElement);
//place into correct element layer sequence
const currentLayer = sceneElementIds.indexOf(incomingElement.id);
//remove current element from scene
const elToMove = sceneElements.splice(currentLayer,1);
if(idx === 0) {
sceneElements.splice(0,0,incomingElement);
if(currentLayer!== 0) {
sceneElementIds.splice(currentLayer,1);
sceneElementIds.splice(0,0,incomingElement.id);
}
} else {
const prevId = inElements[idx-1].id;
const parentLayer = sceneElementIds.indexOf(prevId);
sceneElements.splice(parentLayer+1,0,incomingElement);
if(parentLayer!==currentLayer-1) {
sceneElementIds.splice(currentLayer,1)
sceneElementIds.splice(parentLayer+1,0,incomingElement.id);
}
}
return;
} else if(!sceneElement) {
manageMapChanges(incomingElement);
if(idx === 0) {
sceneElements.splice(0,0,incomingElement);
sceneElementIds.splice(0,0,incomingElement.id);
} else {
const prevId = inElements[idx-1].id;
const parentLayer = sceneElementIds.indexOf(prevId);
sceneElements.splice(parentLayer+1,0,incomingElement);
sceneElementIds.splice(parentLayer+1,0,incomingElement.id);
}
} else if(sceneElement && incomingElement.type === "image") { //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/632
if(inData.getFile(incomingElement.fileId)) {
this.excalidrawData.setFile(
incomingElement.fileId,
inData.getFile(incomingElement.fileId)
);
reloadFiles = true;
}
}
})
this.previousSceneVersion = this.getSceneVersion(sceneElements);
//changing files could result in a race condition for sync. If at the end of sync there are differences
//set dirty will trigger an autosave
if(this.getSceneVersion(inData.scene.elements) !== this.previousSceneVersion) {
this.setDirty(3);
}
this.updateScene({elements: sceneElements});
if(reloadFiles) this.loadSceneFiles();
} catch(e) {
errorlog({
where:"ExcalidrawView.synchronizeWithData",
message:`Error during sync with received file (${this.file.path})`,
"fn": this.synchronizeWithData,
error: e
});
}
this.semaphores.saving = false;
}
initialContainerSizeUpdate = false;
/**
*
* @param justloaded - a flag to trigger zoom to fit after the drawing has been loaded
*/
private async loadDrawing(justloaded: boolean, deletedElements?: ExcalidrawElement[]) {
const excalidrawData = this.excalidrawData.scene;
this.semaphores.justLoaded = justloaded;
this.initialContainerSizeUpdate = justloaded;
this.clearDirty();
const om = this.excalidrawData.getOpenMode();
this.semaphores.preventReload = false;
const penEnabled =
this.plugin.settings.defaultPenMode === "always" ||
(this.plugin.settings.defaultPenMode === "mobile" && app.isMobile);
const api = this.excalidrawAPI;
if (api) {
//isLoaded flags that a new file is being loaded, isLoaded will be true after loadDrawing completes
const viewModeEnabled = !this.isLoaded
? (excalidrawData.elements.length > 0 ? om.viewModeEnabled : false)
: api.getAppState().viewModeEnabled;
const zenModeEnabled = !this.isLoaded
? om.zenModeEnabled
: api.getAppState().zenModeEnabled;
//debug({where:"ExcalidrawView.loadDrawing",file:this.file.name,dataTheme:excalidrawData.appState.theme,before:"updateScene"})
api.setLocalFont(this.plugin.settings.experimentalEnableFourthFont);
this.updateScene(
{
elements: excalidrawData.elements.concat(deletedElements??[]), //need to preserve deleted elements during autosave if images, links, etc. are updated
files: excalidrawData.files,
commitToHistory: true,
},
justloaded
);
this.updateScene(
{
//elements: excalidrawData.elements.concat(deletedElements??[]), //need to preserve deleted elements during autosave if images, links, etc. are updated
appState: {
...excalidrawData.appState,
...this.excalidrawData.selectedElementIds //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/609
? this.excalidrawData.selectedElementIds
: {},
zenModeEnabled,
viewModeEnabled: viewModeEnabled,
linkOpacity: this.excalidrawData.getLinkOpacity(),
trayModeEnabled: this.plugin.settings.defaultTrayMode,
penMode: penEnabled,
penDetected: penEnabled,
allowPinchZoom: this.plugin.settings.allowPinchZoom,
allowWheelZoom: this.plugin.settings.allowWheelZoom,
pinnedScripts: this.plugin.settings.pinnedScripts,
customPens: this.plugin.settings.customPens.slice(0,this.plugin.settings.numberOfCustomPens),
},
//files: excalidrawData.files,
//commitToHistory: true,
},
//justloaded,
);
if (
app.workspace.getActiveViewOfType(ExcalidrawView) === this.leaf.view &&
this.excalidrawWrapperRef
) {
//.firstElmentChild solves this issue: https://github.com/zsviczian/obsidian-excalidraw-plugin/pull/346
this.excalidrawWrapperRef.current?.firstElementChild?.focus();
}
//debug({where:"ExcalidrawView.loadDrawing",file:this.file.name,before:"this.loadSceneFiles"});
this.onAfterLoadScene();
} else {
this.instantiateExcalidraw({
elements: excalidrawData.elements,
appState: {
...excalidrawData.appState,
zenModeEnabled: om.zenModeEnabled,
viewModeEnabled: excalidrawData.elements.length > 0 ? om.viewModeEnabled : false,
linkOpacity: this.excalidrawData.getLinkOpacity(),
trayModeEnabled: this.plugin.settings.defaultTrayMode,
penMode: penEnabled,
penDetected: penEnabled,
allowPinchZoom: this.plugin.settings.allowPinchZoom,
allowWheelZoom: this.plugin.settings.allowWheelZoom,
pinnedScripts: this.plugin.settings.pinnedScripts,
customPens: this.plugin.settings.customPens.slice(0,this.plugin.settings.numberOfCustomPens),
},
files: excalidrawData.files,
libraryItems: await this.getLibrary(),
});
//files are loaded on excalidrawRef readyPromise
}
const isCompressed = this.data.match(/```compressed\-json\n/gm) !== null;
if (
!this.compatibilityMode &&
this.plugin.settings.compress !== isCompressed &&
!this.isEditedAsMarkdownInOtherView()
) {
this.setDirty(4);
}
}
isEditedAsMarkdownInOtherView(): boolean {
//if the user is editing the same file in markdown mode, do not compress it
const leaves = app.workspace.getLeavesOfType("markdown");
return (
leaves.filter((leaf) => (leaf.view as MarkdownView).file === this.file)
.length > 0
);
}
private onAfterLoadScene() {
this.loadSceneFiles();
this.updateContainerSize(null, true);
this.initializeToolsIconPanelAfterLoading();
}
public setDirty(debug?:number) {
//console.log(debug);
this.semaphores.dirty = this.file?.path;
this.diskIcon.querySelector("svg").addClass("excalidraw-dirty");
if(!this.semaphores.viewunload && this.toolsPanelRef?.current) {
this.toolsPanelRef.current.setDirty(true);
}
if(!app.isMobile) {
if(requireApiVersion("0.16.0")) {
//@ts-ignore
this.leaf.tabHeaderInnerTitleEl.style.color="var(--color-accent)"
}
}
}
public clearDirty() {
if(this.semaphores.viewunload) return;
const api = this.excalidrawAPI;
if (!api) {
return;
}
this.semaphores.dirty = null;
if(this.toolsPanelRef?.current) {
this.toolsPanelRef.current.setDirty(false);
}
const el = api.getSceneElements();
if (el) {
this.previousSceneVersion = this.getSceneVersion(el);
}
this.diskIcon.querySelector("svg").removeClass("excalidraw-dirty");
if(!app.isMobile) {
if(requireApiVersion("0.16.0")) {
//@ts-ignore
this.leaf.tabHeaderInnerTitleEl.style.color=""
}
}
}
public initializeToolsIconPanelAfterLoading() {
if(this.semaphores.viewunload) return;
const api = this.excalidrawAPI;
if (!api) {
return;
}
const st = api.getAppState();
const panel = this.toolsPanelRef?.current;
if (!panel) {
return;
}
panel.setTheme(st.theme);
panel.setExcalidrawViewMode(st.viewModeEnabled);
panel.setPreviewMode(
this.compatibilityMode ? null : this.textMode === TextMode.parsed,
);
panel.updateScriptIconMap(this.plugin.scriptEngine.scriptIconMap);
}
//Compatibility mode with .excalidraw files
canAcceptExtension(extension: string) {
return extension === "excalidraw"; //["excalidraw","md"].includes(extension);
}
// gets the title of the document
getDisplayText() {
if (this.file) {
return this.file.basename;
}
return t("NOFILE");
}
// the view type name
getViewType() {
return VIEW_TYPE_EXCALIDRAW;
}
// icon for the view
getIcon() {
return ICON_NAME;
}
setMarkdownView() {
this.plugin.excalidrawFileModes[this.id || this.file.path] = "markdown";
this.plugin.setMarkdownView(this.leaf);
}
public async openAsMarkdown() {
if (this.plugin.settings.compress === true) {
this.excalidrawData.disableCompression = true;
await this.save(true, true);
}
this.setMarkdownView();
}
public async convertExcalidrawToMD() {
await this.save();
this.plugin.openDrawing(
await this.plugin.convertSingleExcalidrawToMD(this.file),
"active-pane",
true
);
}
async addYouTubeThumbnail(link:string) {
const thumbnailLink = await getYouTubeThumbnailLink(link);
const ea = getEA(this) as ExcalidrawAutomate;
const id = await ea.addImage(0,0,thumbnailLink);
//@ts-ignore
ea.getElement(id).link = link;
ea.addElementsToView(true,true,true);
}
async addImageWithURL(link:string) {
const ea = getEA(this) as ExcalidrawAutomate;
await ea.addImage(0,0,link);
ea.addElementsToView(true,true,true);
}
async addImageSaveToVault(link:string) {
const ea = getEA(this) as ExcalidrawAutomate;
const mimeType = getMimeType(getURLImageExtension(link));
const dataURL = await getDataURLFromURL(link,mimeType,3000);
const fileId = await generateIdFromFile((new TextEncoder()).encode(dataURL as string))
const file = await this.excalidrawData.saveDataURLtoVault(dataURL,mimeType,fileId);
if(!file) {
new Notice(t("ERROR_SAVING_IMAGE"));
return;
}
await ea.addImage(0,0,file);
ea.addElementsToView(true,true,true);
}
async addTextWithIframely(text:string) {
const id = await this.addText(text);
const url = `http://iframely.server.crestify.com/iframely?url=${text}`;
try {
const data = JSON.parse(await request({ url }));
if (!data || data.error || !data.meta?.title) {
return;
}
const ea = getEA(this) as ExcalidrawAutomate;
const el = ea
.getViewElements()
.filter((el) => el.id === id);
if (el.length === 1) {
//@ts-ignore
el[0].text = el[0].originalText = el[0].rawText =
`[${data.meta.title}](${text})`;
ea.copyViewElementsToEAforEditing(el);
ea.addElementsToView(false, false, false);
}
} catch(e) {};
}
onPaneMenu(menu: Menu, source: string): void {
if(this.excalidrawAPI && this.getViewSelectedElements().some(el=>el.type==="text")) {
menu.addItem(item => {
item
.setTitle(t("OPEN_LINK"))
.setIcon("external-link")
.setSection("pane")
.onClick(evt => {
this.handleLinkClick(evt as MouseEvent);
});
})
}
// Add a menu item to force the board to markdown view
if (!this.compatibilityMode) {
menu
.addItem((item) => {
item
.setTitle(t("OPEN_AS_MD"))
.setIcon("document")
.onClick(() => {
this.openAsMarkdown();
})
.setSection("pane");
})
} else {
menu.addItem((item) => {
item
.setTitle(t("CONVERT_FILE"))
.onClick(() => this.convertExcalidrawToMD())
.setSection("pane");
});
}
menu
.addItem((item) => {
item
.setTitle(t("EXPORT_IMAGE"))
.setIcon(EXPORT_IMG_ICON_NAME)
.setSection("pane")
.onClick(async (ev) => {
if (!this.getScene || !this.file) {
return;
}
if(!this.exportDialog) {
this.exportDialog = new ExportDialog(this.plugin, this,this.file);
this.exportDialog.createForm();
}
this.exportDialog.open();
})
.setSection("pane");
})
.addItem(item => {
item
.setTitle(t("INSTALL_SCRIPT_BUTTON"))
.setIcon(SCRIPTENGINE_ICON_NAME)
.setSection("pane")
.onClick(()=>{
new ScriptInstallPrompt(this.plugin).open();
})
})
super.onPaneMenu(menu, source);
}
async getLibrary() {
const data: any = this.plugin.getStencilLibrary();
return data?.library ? data.library : data?.libraryItems ?? [];
}
private previousSceneVersion = 0;
public previousBackgroundColor = "";
public previousTheme = "";
private colorChangeTimer:NodeJS.Timeout = null;
private async instantiateExcalidraw(
initdata: {
elements: any,
appState: any,
files: any,
libraryItems: any
}
) {
while(!this.semaphores.scriptsReady) {
await sleep(50);
}
const React = this.plugin.getPackage(this.ownerWindow).react;
const ReactDOM = this.plugin.getPackage(this.ownerWindow).reactDOM;
//console.log("ExcalidrawView.instantiateExcalidraw()");
this.clearDirty();
const reactElement = React.createElement(() => {
const excalidrawWrapperRef = React.useRef(null);
const toolsPanelRef = React.useRef(null);
const embeddableMenuRef = React.useRef(null);
const [dimensions, setDimensions] = React.useState({
width: undefined,
height: undefined,
});
//variables used to handle click events in view mode
let selectedTextElement: SelectedElementWithLink = null;
let selectedImageElement: SelectedImage = null;
let selectedElementWithLink: SelectedElementWithLink = null;
let timestamp = Date.now();
let blockOnMouseButtonDown = false;
this.toolsPanelRef = toolsPanelRef;
this.embeddableMenuRef = embeddableMenuRef;
this.obsidianMenu = new ObsidianMenu(this.plugin, toolsPanelRef, this);
this.embeddableMenu = new EmbeddableMenu(this, embeddableMenuRef);
//excalidrawRef readypromise based on
//https://codesandbox.io/s/eexcalidraw-resolvable-promise-d0qg3?file=/src/App.js:167-760
const resolvablePromise = () => {
let resolve;
let reject;
const promise = new Promise((_resolve, _reject) => {
resolve = _resolve;
reject = _reject;
});
//@ts-ignore
promise.resolve = resolve;
//@ts-ignore
promise.reject = reject;
return promise;
};
// To memoize value between rerenders
const excalidrawRef = React.useMemo(
() => ({
current: {
readyPromise: resolvablePromise(),
},
}),
[],
);
React.useEffect(() => {
excalidrawRef.current.readyPromise.then(
(api: ExcalidrawImperativeAPI) => {
this.excalidrawAPI = api;
api.setLocalFont(this.plugin.settings.experimentalEnableFourthFont);
setTimeout(() => {
this.onAfterLoadScene();
this.excalidrawContainer = this.excalidrawWrapperRef?.current?.firstElementChild;
this.excalidrawContainer?.focus();
});
},
);
}, [excalidrawRef]);
this.excalidrawRef = excalidrawRef;
this.excalidrawWrapperRef = excalidrawWrapperRef;
const setCurrentPositionToCenter = () => {
const api = this.excalidrawAPI;
if (!excalidrawRef || !excalidrawRef.current || !api) {
return;
}
const st = api.getAppState();
const { width, height } = st;
this.currentPosition = viewportCoordsToSceneCoords(
{
clientX: width / 2,
clientY: height / 2,
},
st,
);
};
React.useEffect(() => {
setDimensions({
width: this.contentEl.clientWidth,
height: this.contentEl.clientHeight,
});
const onResize = () => {
try {
const width = this.contentEl.clientWidth;
const height = this.contentEl.clientHeight;
if(width === 0 || height === 0) return;
setDimensions({ width, height });
if (this.toolsPanelRef && this.toolsPanelRef.current) {
this.toolsPanelRef.current.updatePosition();
}
if(this.ownerDocument !== document) {
this.refresh(); //because resizeobserver in Excalidraw does not seem to work when in Obsidian Window
}
} catch (err) {
errorlog({
where: "Excalidraw React-Wrapper, onResize",
error: err,
});
}
};
this.ownerWindow.addEventListener("resize", onResize);
return () => this.ownerWindow?.removeEventListener("resize", onResize);
}, [excalidrawWrapperRef]);
this.getSelectedTextElement = (): SelectedElementWithLink => {
const api = this.excalidrawAPI;
if (!excalidrawRef?.current || !api) {
return { id: null, text: null };
}
if (api.getAppState().viewModeEnabled) {
if (selectedTextElement) {
const retval = selectedTextElement;
selectedTextElement = null;
return retval;
}
return { id: null, text: null };
}
const selectedElement = api
.getSceneElements()
.filter(
(el: ExcalidrawElement) =>
el.id === Object.keys(api.getAppState().selectedElementIds)[0],
);
if (selectedElement.length === 0) {
return { id: null, text: null };
}
if (selectedElement[0].type === "text") {
return { id: selectedElement[0].id, text: selectedElement[0].text };
} //a text element was selected. Return text
if (["image","arrow"].contains(selectedElement[0].type)) {
return { id: null, text: null };
}
const boundTextElements = selectedElement[0].boundElements?.filter(
(be: any) => be.type === "text",
);
if (boundTextElements?.length > 0) {
const textElement = api
.getSceneElements()
.filter(
(el: ExcalidrawElement) => el.id === boundTextElements[0].id,
);
if (textElement.length > 0) {
return { id: textElement[0].id, text: textElement[0].text };
}
} //is a text container selected?
if (selectedElement[0].groupIds.length === 0) {
return { id: null, text: null };
} //is the selected element part of a group?
const group = selectedElement[0].groupIds[0]; //if yes, take the first group it is part of
const textElement = api
.getSceneElements()
.filter((el: any) => el.groupIds?.includes(group))
.filter((el: any) => el.type === "text"); //filter for text elements of the group
if (textElement.length === 0) {
return { id: null, text: null };
} //the group had no text element member
return { id: selectedElement[0].id, text: selectedElement[0].text }; //return text element text
};
this.getSelectedImageElement = (): SelectedImage => {
const api = this.excalidrawAPI;
if (!api) {
return { id: null, fileId: null };
}
if (api.getAppState().viewModeEnabled) {
if (selectedImageElement) {
const retval = selectedImageElement;
selectedImageElement = null;
return retval;
}
return { id: null, fileId: null };
}
const selectedElement = api
.getSceneElements()
.filter(
(el: any) =>
el.id == Object.keys(api.getAppState().selectedElementIds)[0],
);
if (selectedElement.length === 0) {
return { id: null, fileId: null };
}
if (selectedElement[0].type == "image") {
return {
id: selectedElement[0].id,
fileId: selectedElement[0].fileId,
};
} //an image element was selected. Return fileId
if (selectedElement[0].type === "text") {
return { id: null, fileId: null };
}
if (selectedElement[0].groupIds.length === 0) {
return { id: null, fileId: null };
} //is the selected element part of a group?
const group = selectedElement[0].groupIds[0]; //if yes, take the first group it is part of
const imageElement = api
.getSceneElements()
.filter((el: any) => el.groupIds?.includes(group))
.filter((el: any) => el.type == "image"); //filter for Image elements of the group
if (imageElement.length === 0) {
return { id: null, fileId: null };
} //the group had no image element member
return { id: imageElement[0].id, fileId: imageElement[0].fileId }; //return image element fileId
};
this.getSelectedElementWithLink = (): { id: string; text: string } => {
const api = this.excalidrawAPI;
if (!api) {
return { id: null, text: null };
}
if (api.getAppState().viewModeEnabled) {
if (selectedElementWithLink) {
const retval = selectedElementWithLink;
selectedElementWithLink = null;
return retval;
}
return { id: null, text: null };
}
const selectedElement = api
.getSceneElements()
.filter(
(el: any) =>
el.id == Object.keys(api.getAppState().selectedElementIds)[0],
);
if (selectedElement.length === 0) {
return { id: null, text: null };
}
if (selectedElement[0].link) {
return {
id: selectedElement[0].id,
text: selectedElement[0].link,
};
}
if (selectedElement[0].groupIds.length === 0) {
return { id: null, text: null };
} //is the selected element part of a group?
const group = selectedElement[0].groupIds[0]; //if yes, take the first group it is part of
const elementsWithLink = api
.getSceneElements()
.filter((el: any) => el.groupIds?.includes(group))
.filter((el: any) => el.link); //filter for elements of the group that have a link
if (elementsWithLink.length === 0) {
return { id: null, text: null };
} //the group had no image element member
return { id: elementsWithLink[0].id, text: elementsWithLink[0].link }; //return image element fileId
};
this.addText = async (
text: string,
fontFamily?: 1 | 2 | 3 | 4,
save: boolean = true
): Promise<string> => {
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
if (!excalidrawRef?.current || !api) {
return;
}
const st: AppState = api.getAppState();
const ea = this.plugin.ea.getAPI(this);
ea.style.strokeColor = st.currentItemStrokeColor ?? "black";
ea.style.opacity = st.currentItemOpacity ?? 1;
ea.style.fontFamily = fontFamily ?? st.currentItemFontFamily ?? 1;
ea.style.fontSize = st.currentItemFontSize ?? 20;
ea.style.textAlign = st.currentItemTextAlign ?? "left";
const { width, height } = st;
const top = viewportCoordsToSceneCoords(
{
clientX: 0,
clientY: 0,
},
st,
);
const bottom = viewportCoordsToSceneCoords(
{
clientX: width,
clientY: height,
},
st,
);
const isPointerOutsideVisibleArea = top.x>this.currentPosition.x || bottom.x<this.currentPosition.x || top.y>this.currentPosition.y || bottom.y<this.currentPosition.y;
const id = ea.addText(this.currentPosition.x, this.currentPosition.y, text);
await this.addElements(ea.getElements(), isPointerOutsideVisibleArea, save, undefined, true);
return id;
};
this.addElements = async (
newElements: ExcalidrawElement[],
repositionToCursor: boolean = false,
save: boolean = false,
images: any,
newElementsOnTop: boolean = false,
shouldRestoreElements: boolean = false,
): Promise<boolean> => {
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
if (!excalidrawRef?.current || !api) {
return false;
}
const textElements = newElements.filter((el) => el.type == "text");
for (let i = 0; i < textElements.length; i++) {
const [parseResultWrapped, parseResult, link] =
await this.excalidrawData.addTextElement(
textElements[i].id,
//@ts-ignore
textElements[i].text,
//@ts-ignore
textElements[i].rawText, //TODO: implement originalText support in ExcalidrawAutomate
);
if (link) {
//@ts-ignore
textElements[i].link = link;
}
if (this.textMode == TextMode.parsed) {
this.excalidrawData.updateTextElement(
textElements[i],
parseResultWrapped,
parseResult,
);
}
}
if (repositionToCursor) {
newElements = repositionElementsToCursor(
newElements,
this.currentPosition,
true,
);
}
const newIds = newElements.map((e) => e.id);
const el: ExcalidrawElement[] = api.getSceneElements() as ExcalidrawElement[];
const removeList: string[] = [];
//need to update elements in scene.elements to maintain sequence of layers
for (let i = 0; i < el.length; i++) {
const id = el[i].id;
if (newIds.includes(id)) {
el[i] = newElements.filter((ne) => ne.id === id)[0];
removeList.push(id);
}
}
const elements = newElementsOnTop
? el.concat(newElements.filter((e) => !removeList.includes(e.id)))
: newElements.filter((e) => !removeList.includes(e.id)).concat(el);
this.updateScene(
{
elements,
commitToHistory: true,
},
shouldRestoreElements,
);
if (images && Object.keys(images).length >0) {
const files: BinaryFileData[] = [];
Object.keys(images).forEach((k) => {
files.push({
mimeType: images[k].mimeType,
id: images[k].id,
dataURL: images[k].dataURL,
created: images[k].created,
});
if (images[k].file || images[k].isHyperlink) {
const embeddedFile = new EmbeddedFile(
this.plugin,
this.file.path,
images[k].isHyperlink
? images[k].hyperlink
: images[k].file,
);
const st: AppState = api.getAppState();
embeddedFile.setImage(
images[k].dataURL,
images[k].mimeType,
images[k].size,
st.theme === "dark",
images[k].hasSVGwithBitmap,
);
this.excalidrawData.setFile(images[k].id, embeddedFile);
}
if (images[k].latex) {
this.excalidrawData.setEquation(images[k].id, {
latex: images[k].latex,
isLoaded: true,
});
}
});
api.addFiles(files);
}
api.updateContainerSize(api.getSceneElements().filter(el => newIds.includes(el.id)).filter(isContainer));
if (save) {
await this.save(false); //preventReload=false will ensure that markdown links are paresed and displayed correctly
} else {
this.setDirty(5);
}
return true;
};
this.getScene = (selectedOnly?: boolean) => {
const api = this.excalidrawAPI;
if (!excalidrawRef?.current || !api) {
return null;
}
const el: ExcalidrawElement[] = selectedOnly ? this.getViewSelectedElements() : api.getSceneElements();
const st: AppState = api.getAppState();
const files = {...api.getFiles()};
if (files) {
const imgIds = el
.filter((e) => e.type === "image")
.map((e: any) => e.fileId);
const toDelete = Object.keys(files).filter(
(k) => !imgIds.contains(k),
);
toDelete.forEach((k) => delete files[k]);
}
return {
type: "excalidraw",
version: 2,
source: GITHUB_RELEASES+PLUGIN_VERSION,
elements: el,
appState: {
theme: st.theme,
viewBackgroundColor: st.viewBackgroundColor,
currentItemStrokeColor: st.currentItemStrokeColor,
currentItemBackgroundColor: st.currentItemBackgroundColor,
currentItemFillStyle: st.currentItemFillStyle,
currentItemStrokeWidth: st.currentItemStrokeWidth,
currentItemStrokeStyle: st.currentItemStrokeStyle,
currentItemRoughness: st.currentItemRoughness,
currentItemOpacity: st.currentItemOpacity,
currentItemFontFamily: st.currentItemFontFamily,
currentItemFontSize: st.currentItemFontSize,
currentItemTextAlign: st.currentItemTextAlign,
currentItemStartArrowhead: st.currentItemStartArrowhead,
currentItemEndArrowhead: st.currentItemEndArrowhead,
scrollX: st.scrollX,
scrollY: st.scrollY,
zoom: st.zoom,
currentItemRoundness: st.currentItemRoundness,
gridSize: st.gridSize,
gridColor: st.gridColor,
colorPalette: st.colorPalette,
currentStrokeOptions: st.currentStrokeOptions,
previousGridSize: st.previousGridSize,
frameRendering: st.frameRendering,
},
prevTextMode: this.prevTextMode,
files,
};
};
this.refresh = () => {
if(this.contentEl.clientWidth === 0 || this.contentEl.clientHeight === 0) return;
const api = this.excalidrawAPI;
if (!excalidrawRef?.current || !api) {
return;
}
api.refresh();
};
let hoverPoint = { x: 0, y: 0 };
let hoverPreviewTarget: EventTarget = null;
this.clearHoverPreview = () => {
if (hoverPreviewTarget) {
const event = new MouseEvent("click", {
view: this.ownerWindow,
bubbles: true,
cancelable: true,
});
hoverPreviewTarget.dispatchEvent(event);
hoverPreviewTarget = null;
}
};
const dropAction = (transfer: DataTransfer) => {
// Return a 'copy' or 'link' action according to the content types, or undefined if no recognized type
const files = (app as any).dragManager.draggable?.files;
if (files) {
if (files[0] == this.file) {
files.shift();
(
app as any
).dragManager.draggable.title = `${files.length} files`;
}
}
if (
["file", "files"].includes(
(app as any).dragManager.draggable?.type,
)
) {
return "link";
}
if (
transfer.types?.includes("text/html") ||
transfer.types?.includes("text/plain") ||
transfer.types?.includes("Files")
) {
return "copy";
}
};
let viewModeEnabled = false;
const handleLinkClick = () => {
selectedTextElement = getTextElementAtPointer(this.currentPosition, this);
if (selectedTextElement && selectedTextElement.id) {
const event = new MouseEvent("click", {
ctrlKey: !(DEVICE.isIOS || DEVICE.isMacOS) || this.modifierKeyDown.ctrlKey,
metaKey: (DEVICE.isIOS || DEVICE.isMacOS) || this.modifierKeyDown.metaKey,
shiftKey: this.modifierKeyDown.shiftKey,
altKey: this.modifierKeyDown.altKey,
});
this.handleLinkClick(event);
selectedTextElement = null;
return;
}
selectedImageElement = getImageElementAtPointer(this.currentPosition, this);
if (selectedImageElement && selectedImageElement.id) {
const event = new MouseEvent("click", {
ctrlKey: !(DEVICE.isIOS || DEVICE.isMacOS) || this.modifierKeyDown.ctrlKey,
metaKey: (DEVICE.isIOS || DEVICE.isMacOS) || this.modifierKeyDown.metaKey,
shiftKey: this.modifierKeyDown.shiftKey,
altKey: this.modifierKeyDown.altKey,
});
this.handleLinkClick(event);
selectedImageElement = null;
return;
}
selectedElementWithLink = getElementWithLinkAtPointer(this.currentPosition, this);
if (selectedElementWithLink && selectedElementWithLink.id) {
const event = new MouseEvent("click", {
ctrlKey: !(DEVICE.isIOS || DEVICE.isMacOS) || this.modifierKeyDown.ctrlKey,
metaKey: (DEVICE.isIOS || DEVICE.isMacOS) || this.modifierKeyDown.metaKey,
shiftKey: this.modifierKeyDown.shiftKey,
altKey: this.modifierKeyDown.altKey,
});
this.handleLinkClick(event);
selectedElementWithLink = null;
return;
}
};
let mouseEvent: any = null;
const showHoverPreview = (linktext?: string, element?: ExcalidrawElement) => {
if(!mouseEvent) return;
if(this.excalidrawAPI?.getAppState()?.editingElement) return; //should not activate hover preview when element is being edited
if(this.semaphores.wheelTimeout) return;
//if link text is not provided, try to get it from the element
if (!linktext) {
if(!this.currentPosition) return;
linktext = "";
const selectedElement = getTextElementAtPointer(this.currentPosition, this);
if (!selectedElement || !selectedElement.text) {
const selectedImgElement =
getImageElementAtPointer(this.currentPosition, this);
element = this.excalidrawAPI.getSceneElements().filter((el:ExcalidrawElement)=>el.id === selectedImgElement.id)[0];
if (!selectedImgElement || !selectedImgElement.fileId) {
return;
}
if (!this.excalidrawData.hasFile(selectedImgElement.fileId)) {
return;
}
const ef = this.excalidrawData.getFile(selectedImgElement.fileId);
if(ef.isHyperlink) return; //web images don't have a preview
if(IMAGE_TYPES.contains(ef.file.extension)) return; //images don't have a preview
if(ef.file.extension.toLowerCase() === "pdf") return; //pdfs don't have a preview
if(this.plugin.ea.isExcalidrawFile(ef.file)) return; //excalidraw files don't have a preview
const ref = ef.linkParts.ref
? `#${ef.linkParts.isBlockRef ? "^" : ""}${ef.linkParts.ref}`
: "";
linktext =
ef.file.path + ref;
} else {
element = this.excalidrawAPI.getSceneElements().filter((el:ExcalidrawElement)=>el.id === selectedElement.id)[0];
const text: string =
this.textMode === TextMode.parsed
? this.excalidrawData.getRawText(selectedElement.id)
: selectedElement.text;
if (!text) {
return;
}
if (text.match(REG_LINKINDEX_HYPERLINK)) {
return;
}
const parts = REGEX_LINK.getRes(text).next();
if (!parts.value) {
return;
}
linktext = REGEX_LINK.getLink(parts); //parts.value[2] ? parts.value[2]:parts.value[6];
if (linktext.match(REG_LINKINDEX_HYPERLINK)) {
return;
}
}
}
if(this.getHookServer().onLinkHoverHook) {
try {
if(!this.getHookServer().onLinkHoverHook(
element,
linktext,
this,
this.getHookServer()
)) {
return;
}
} catch (e) {
errorlog({where: "ExcalidrawView.showHoverPreview", fn: this.getHookServer().onLinkHoverHook, error: e});
}
}
if (this.semaphores.hoverSleep) {
return;
}
const f = app.metadataCache.getFirstLinkpathDest(
linktext.split("#")[0],
this.file.path,
);
if (!f) {
return;
}
if (
this.ownerDocument.querySelector(`div.popover-title[data-path="${f.path}"]`)
) {
return;
}
this.semaphores.hoverSleep = true;
const self = this;
setTimeout(() => (self.semaphores.hoverSleep = false), 500);
this.plugin.hover.linkText = linktext;
this.plugin.hover.sourcePath = this.file.path;
hoverPreviewTarget = this.contentEl; //e.target;
app.workspace.trigger("hover-link", {
event: mouseEvent,
source: VIEW_TYPE_EXCALIDRAW,
hoverParent: hoverPreviewTarget,
targetEl: hoverPreviewTarget, //null //0.15.0 hover editor!!
linktext: this.plugin.hover.linkText,
sourcePath: this.plugin.hover.sourcePath,
});
hoverPoint = this.currentPosition;
if (this.isFullscreen()) {
const self = this;
setTimeout(() => {
const popover =
this.ownerDocument.querySelector(`div.popover-title[data-path="${f.path}"]`)
?.parentElement?.parentElement?.parentElement ??
this.ownerDocument.body.querySelector("div.popover");
if (popover) {
self.contentEl.append(popover);
}
}, 400);
}
};
const {
Excalidraw,
MainMenu,
WelcomeScreen
} = this.plugin.getPackage(this.ownerWindow).excalidrawLib;
const excalidrawDiv = React.createElement(
"div",
{
className: "excalidraw-wrapper",
ref: excalidrawWrapperRef,
key: "abc",
tabIndex: 0,
onKeyDown: (e: any) => {
//@ts-ignore
if (e.target === excalidrawDiv.ref.current) {
return;
} //event should originate from the canvas
if (this.isFullscreen() && e.keyCode === KEYCODE.ESC) {
this.exitFullscreen();
}
if (isCTRL(e) && !isSHIFT(e) && !isALT(e)) {
showHoverPreview();
}
},
//Changed to from
//onClick: (e: MouseEvent): any => {
//to onPointerDown so touch events also open links on the iPad (with a keyboard)
onPointerDown: (e: PointerEvent) => {
if (!(isCTRL(e)||isMETA(e))) {
return;
}
if (!this.plugin.settings.allowCtrlClick && !!isMETA(e)) {
return;
}
//added setTimeout when I changed onClick(e: MouseEvent) to onPointerDown() in 1.7.9.
//Timeout is required for Excalidraw to first complete the selection action before execution
//of the link click continues
setTimeout(()=>{
if (
!(
this.getSelectedTextElement().id ||
this.getSelectedImageElement().id ||
this.getSelectedElementWithLink().id
)
) {
return;
}
this.handleLinkClick(e);
});
},
onMouseMove: (e: MouseEvent) => {
//@ts-ignore
mouseEvent = e.nativeEvent;
},
onMouseOver: () => {
this.clearHoverPreview();
},
onDragOver: (e: any) => {
const action = dropAction(e.dataTransfer);
if (action) {
if(!this.draginfoDiv) {
this.draginfoDiv = createDiv({cls:"excalidraw-draginfo"});
this.ownerDocument.body.appendChild(this.draginfoDiv);
}
let msg: string = "";
if((app as any).dragManager.draggable) {
//drag from Obsidian file manager
switch (internalDragModifierType(e)) {
case "image": msg = "Embed image";break;
case "image-fullsize": msg = "Embed image @100%"; break;
case "link": msg = `Insert link\n${DEVICE.isMacOS || DEVICE.isIOS
? "try SHIFT and CTRL combinations for other drop actions"
: "try SHIFT, CTRL, ALT combinations for other drop actions"}`; break;
case "embeddable": msg = "Insert in interactive frame"; break;
}
} else if(e.dataTransfer.types.length === 1 && e.dataTransfer.types.includes("Files")) {
//drag from OS file manager
msg = "External file"
} else {
//drag from Internet
switch (externalDragModifierType(e)) {
case "image-import": msg = "Import image to Vault"; break;
case "image-url": msg = `Insert image/thumbnail with URL\n${DEVICE.isMacOS || DEVICE.isIOS
? "try SHIFT, OPT, CTRL combinations for other drop actions"
: "try SHIFT, CTRL, ALT combinations for other drop actions"}`; break;
case "insert-link": msg = "Insert link"; break;
case "embeddable": msg = "Insert in interactive frame"; break;
}
}
if(this.draginfoDiv.innerText !== msg) this.draginfoDiv.innerText = msg;
const top = `${e.clientY-parseFloat(getComputedStyle(this.draginfoDiv).fontSize)*8}px`;
const left = `${e.clientX-this.draginfoDiv.clientWidth/2}px`;
if(this.draginfoDiv.style.top !== top) this.draginfoDiv.style.top = top;
if(this.draginfoDiv.style.left !== left) this.draginfoDiv.style.left = left;
e.dataTransfer.dropEffect = action;
e.preventDefault();
return false;
}
},
onDragLeave: () => {
if(this.draginfoDiv) {
this.ownerDocument.body.removeChild(this.draginfoDiv);
delete this.draginfoDiv;
}
},
},
React.createElement(
Excalidraw,
{
ref: excalidrawRef,
width: dimensions.width,
height: dimensions.height,
UIOptions:
{
canvasActions:
{
loadScene: false,
saveScene: false,
saveAsScene: false,
export: false,
saveAsImage: false,
saveToActiveFile: false,
},
},
initState: initdata?.appState,
initialData: initdata,
detectScroll: true,
onPointerUpdate: (p: any) => {
this.currentPosition = p.pointer;
if (
hoverPreviewTarget &&
(Math.abs(hoverPoint.x - p.pointer.x) > 50 ||
Math.abs(hoverPoint.y - p.pointer.y) > 50)
) {
this.clearHoverPreview();
}
if (!viewModeEnabled) {
return;
}
const buttonDown = !blockOnMouseButtonDown && p.button === "down";
if (buttonDown) {
blockOnMouseButtonDown = true;
//ctrl click
if (isCTRL(this.modifierKeyDown) || isMETA(this.modifierKeyDown)) {
handleLinkClick();
return;
}
//dobule click
const now = Date.now();
if ((now - timestamp) < 600 && (now - timestamp) > 40) {
handleLinkClick();
}
timestamp = now;
return;
}
if (p.button === "up") {
blockOnMouseButtonDown = false;
}
if (isCTRL(this.modifierKeyDown) ||
(this.excalidrawAPI.getAppState().isViewModeEnabled &&
this.plugin.settings.hoverPreviewWithoutCTRL)) {
showHoverPreview();
}
},
libraryReturnUrl: "app://obsidian.md",
autoFocus: true,
langCode: obsidianToExcalidrawMap[moment.locale()]??"en-EN",
onChange: (et: ExcalidrawElement[], st: AppState) => {
const canvasColorChangeHook = () => {
const canvasColor = st.viewBackgroundColor === "transparent" ? "white" : st.viewBackgroundColor;
setTimeout(()=>this.updateScene({appState:{gridColor: this.getGridColor(canvasColor, st)}}));
setDynamicStyle(this.plugin.ea,this,canvasColor,this.plugin.settings.dynamicStyling);
if(this.plugin.ea.onCanvasColorChangeHook) {
try {
this.plugin.ea.onCanvasColorChangeHook(
this.plugin.ea,
this,
st.viewBackgroundColor
)
} catch (e) {
errorlog({
where: canvasColorChangeHook,
source: this.plugin.ea.onCanvasColorChangeHook,
error: e,
message: "ea.onCanvasColorChangeHook exception"
})
}
}
}
viewModeEnabled = st.viewModeEnabled;
if (this.semaphores.justLoaded) {
const elcount = this.excalidrawData?.scene?.elements?.length ?? 0;
if( elcount>0 && et.length===0 ) return;
this.semaphores.justLoaded = false;
if (!this.semaphores.preventAutozoom && this.plugin.settings.zoomToFitOnOpen) {
this.zoomToFit(false,true);
}
this.previousSceneVersion = this.getSceneVersion(et);
this.previousBackgroundColor = st.viewBackgroundColor;
this.previousTheme = st.theme;
canvasColorChangeHook();
return;
}
if(st.theme !== this.previousTheme && this.file === this.excalidrawData.file) {
this.previousTheme = st.theme;
this.setDirty(5);
}
if(st.viewBackgroundColor !== this.previousBackgroundColor && this.file === this.excalidrawData.file) {
this.previousBackgroundColor = st.viewBackgroundColor;
this.setDirty(6);
if(this.colorChangeTimer) {
clearTimeout(this.colorChangeTimer);
}
this.colorChangeTimer = setTimeout(()=>{
canvasColorChangeHook();
this.colorChangeTimer = null;
},50); //just enough time if the user is playing with color picker, the change is not too frequent.
}
if (this.semaphores.dirty) {
return;
}
if (
st.editingElement === null &&
//Removed because of
//https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/565
/*st.resizingElement === null &&
st.draggingElement === null &&
st.editingGroupId === null &&*/
st.editingLinearElement === null
) {
const sceneVersion = this.getSceneVersion(et);
if (
((sceneVersion > 0 ||
(sceneVersion === 0 && et.length > 0)) && //Addressing the rare case when the last element is deleted from the scene
sceneVersion !== this.previousSceneVersion)
) {
this.previousSceneVersion = sceneVersion;
this.setDirty(6);
}
}
},
onLibraryChange: (items: LibraryItems) => {
(async () => {
const lib = {
type: "excalidrawlib",
version: 2,
source: GITHUB_RELEASES+PLUGIN_VERSION,
libraryItems: items,
};
this.plugin.setStencilLibrary(lib);
await this.plugin.saveSettings();
})();
},
// TODO: Potentially better way to block middle mouse paste on linux:
//! onauxclick: (e: any) => {e.preventDefault()},
renderTopRightUI: (isMobile: boolean, appState: AppState) => this.obsidianMenu.renderButton (isMobile, appState),
renderEmbeddableMenu: (appState: AppState) => this.embeddableMenu.renderButtons(appState),
onPaste: (
data: ClipboardData,
event: ClipboardEvent | null
) => {
const ea = this.getHookServer();
if(data && ea.onPasteHook) {
const res = ea.onPasteHook({
ea,
payload: data,
event,
excalidrawFile: this.file,
view: this,
pointerPosition: this.currentPosition,
});
if(typeof res === "boolean" && res === false) return false;
}
// Disables Middle Mouse Button Paste Functionality on Linux
if(
!this.modifierKeyDown.ctrlKey
&& typeof event !== "undefined"
&& event !== null
&& DEVICE.isLinux
) {
console.debug("Prevented what is likely middle mouse button paste.")
return false
};
if(data && data.text && hyperlinkIsImage(data.text)) {
this.addImageWithURL(data.text);
return false;
}
if(data && data.text && !this.modifierKeyDown.shiftKey) {
const quoteWithRef = obsidianPDFQuoteWithRef(data.text);
if(quoteWithRef) {
const ea = getEA(this) as ExcalidrawAutomate;
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
const st = api.getAppState();
const strokeC = st.currentItemStrokeColor;
const viewC = st.viewBackgroundColor;
ea.style.strokeColor = strokeC === "transparent"
? ea.getCM(viewC === "transparent" ? "white" : viewC)
.invert()
.stringHEX({alpha: false})
: strokeC;
ea.style.fontFamily = st.currentItemFontFamily;
ea.style.fontSize = st.currentItemFontSize;
const textDims = ea.measureText(quoteWithRef.quote);
const textWidth = textDims.width + 2*30; //default padding
const id = ea.addText(this.currentPosition.x, this.currentPosition.y, quoteWithRef.quote, {
box: true,
boxStrokeColor: "transparent",
width: Math.min(500,textWidth),
height: textDims.height + 2*30,
})
ea.elementsDict[id].link = `[[${quoteWithRef.link}]]`;
ea.addElementsToView(false,false);
return false;
}
}
if (data.elements) {
const self = this;
setTimeout(() => self.save(false), 300);
}
return true;
},
onThemeChange: async (newTheme: string) => {
//debug({where:"ExcalidrawView.onThemeChange",file:this.file.name,before:"this.loadSceneFiles",newTheme});
this.excalidrawData.scene.appState.theme = newTheme;
this.loadSceneFiles();
toolsPanelRef?.current?.setTheme(newTheme);
//Timeout is to allow appState to update
setTimeout(()=>setDynamicStyle(this.plugin.ea,this,this.previousBackgroundColor,this.plugin.settings.dynamicStyling));
},
ownerDocument: this.ownerDocument,
ownerWindow: this.ownerWindow,
onDrop: (event: React.DragEvent<HTMLDivElement>): boolean => {
if(this.draginfoDiv) {
this.ownerDocument.body.removeChild(this.draginfoDiv);
delete this.draginfoDiv;
}
const api = this.excalidrawAPI;
if (!api) {
return false;
}
const st: AppState = api.getAppState();
this.currentPosition = viewportCoordsToSceneCoords(
{ clientX: event.clientX, clientY: event.clientY },
st,
);
const draggable = (app as any).dragManager.draggable;
const internalDragAction = internalDragModifierType(event);
const externalDragAction = externalDragModifierType(event);
//Call Excalidraw Automate onDropHook
const onDropHook = (
type: "file" | "text" | "unknown",
files: TFile[],
text: string,
): boolean => {
if (this.getHookServer().onDropHook) {
try {
return this.getHookServer().onDropHook({
//@ts-ignore
ea: this.getHookServer(), //the ExcalidrawAutomate object
event, //React.DragEvent<HTMLDivElement>
draggable, //Obsidian draggable object
type, //"file"|"text"
payload: {
files, //TFile[] array of dropped files
text, //string
},
excalidrawFile: this.file, //the file receiving the drop event
view: this, //the excalidraw view receiving the drop
pointerPosition: this.currentPosition, //the pointer position on canvas at the time of drop
});
} catch (e) {
new Notice("on drop hook error. See console log for details");
errorlog({ where: "ExcalidrawView.onDrop", error: e });
return false;
}
} else {
return false;
}
};
//---------------------------------------------------------------------------------
// Obsidian internal drag event
//---------------------------------------------------------------------------------
switch (draggable?.type) {
case "file":
if (!onDropHook("file", [draggable.file], null)) {
const file:TFile = draggable.file;
//https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/422
if (file.path.match(REG_LINKINDEX_INVALIDCHARS)) {
new Notice(t("FILENAME_INVALID_CHARS"), 4000);
return false;
}
if (
["image", "image-fullsize"].contains(internalDragAction) &&
(IMAGE_TYPES.contains(file.extension) ||
file.extension === "md" ||
file.extension.toLowerCase() === "pdf" )
) {
if(file.extension.toLowerCase() === "pdf") {
const insertPDFModal = new InsertPDFModal(this.plugin, this);
insertPDFModal.open(file);
} else {
(async () => {
const ea: ExcalidrawAutomate = getEA(this);
ea.selectElementsInView([
await insertImageToView(
ea,
this.currentPosition,
file,
!(internalDragAction==="image-fullsize")
)
]);
})();
}
return false;
}
if (internalDragAction === "embeddable") {
(async () => {
const ea: ExcalidrawAutomate = getEA(this);
ea.selectElementsInView([
await insertEmbeddableToView(
ea,
this.currentPosition,
file,
)
]);
})();
return false;
}
//internalDragAction === "link"
this.addText(
`[[${app.metadataCache.fileToLinktext(
draggable.file,
this.file.path,
true,
)}]]`,
);
}
return false;
case "files":
if (!onDropHook("file", draggable.files, null)) {
(async () => {
if (["image", "image-fullsize"].contains(internalDragAction)) {
const ea:ExcalidrawAutomate = getEA(this);
ea.canvas.theme = api.getAppState().theme;
let counter:number = 0;
const ids:string[] = [];
for (const f of draggable.files) {
if ((IMAGE_TYPES.contains(f.extension) || f.extension === "md")) {
ids.push(await ea.addImage(
this.currentPosition.x + counter*50,
this.currentPosition.y + counter*50,
f,
!(internalDragAction==="image-fullsize"),
));
counter++;
await ea.addElementsToView(false, false, true);
ea.selectElementsInView(ids);
}
if (f.extension.toLowerCase() === "pdf") {
const insertPDFModal = new InsertPDFModal(this.plugin, this);
insertPDFModal.open(f);
}
}
return;
}
if (internalDragAction === "embeddable") {
const ea:ExcalidrawAutomate = getEA(this);
let column:number = 0;
let row:number = 0;
const ids:string[] = [];
for (const f of draggable.files) {
ids.push(await insertEmbeddableToView(
ea,
{
x:this.currentPosition.x + column*500,
y:this.currentPosition.y + row*550
},
f,
));
column = (column + 1) % 3;
if(column === 0) {
row++;
}
}
return false;
}
//internalDragAction === "link"
for (const f of draggable.files) {
await this.addText(
`[[${app.metadataCache.fileToLinktext(
f,
this.file.path,
true,
)}]]`, undefined,false
);
this.currentPosition.y += st.currentItemFontSize * 2;
}
this.save(false);
})();
}
return false;
}
//---------------------------------------------------------------------------------
// externalDragAction
//---------------------------------------------------------------------------------
if (event.dataTransfer.types.includes("Files")) {
if (event.dataTransfer.types.includes("text/plain")) {
const text: string = event.dataTransfer.getData("text");
if (text && onDropHook("text", null, text)) {
return false;
}
if(text && (externalDragAction === "image-url") && hyperlinkIsImage(text)) {
this.addImageWithURL(text);
return false;
}
if(text && (externalDragAction === "insert-link")) {
if (
this.plugin.settings.iframelyAllowed &&
text.match(/^https?:\/\/\S*$/)
) {
this.addTextWithIframely(text);
return false;
} else {
this.addText(text);
return false;
}
}
if(text && (externalDragAction === "embeddable")) {
insertEmbeddableToView(
getEA(this),
this.currentPosition,
undefined,
text,
)
return false;
}
}
if(event.dataTransfer.types.includes("text/html")) {
const html = event.dataTransfer.getData("text/html");
const src = html.match(/src=["']([^"']*)["']/)
if(src && (externalDragAction === "image-url") && hyperlinkIsImage(src[1])) {
this.addImageWithURL(src[1]);
return false;
}
if(src && (externalDragAction === "insert-link")) {
if (
this.plugin.settings.iframelyAllowed &&
src[1].match(/^https?:\/\/\S*$/)
) {
this.addTextWithIframely(src[1]);
return false;
} else {
this.addText(src[1]);
return false;
}
}
if(src && (externalDragAction === "embeddable")) {
insertEmbeddableToView(
getEA(this),
this.currentPosition,
undefined,
src[1],
)
return false;
}
}
return true;
}
if (event.dataTransfer.types.includes("text/plain") || event.dataTransfer.types.includes("text/uri-list") || event.dataTransfer.types.includes("text/html")) {
const html = event.dataTransfer.getData("text/html");
const src = html.match(/src=["']([^"']*)["']/);
const htmlText = src ? src[1] : "";
const textText = event.dataTransfer.getData("text");
const uriText = event.dataTransfer.getData("text/uri-list");
let text: string = src ? htmlText : textText;
if (!text || text === "") {
text = uriText
}
if (!text || text === "") {
return true;
}
if (!onDropHook("text", null, text)) {
if(text && (externalDragAction==="embeddable") && /^(blob:)?(http|https):\/\/[^\s/$.?#].[^\s]*$/.test(text)) {
return true;
}
if(text && (externalDragAction==="image-url") && hyperlinkIsYouTubeLink(text)) {
this.addYouTubeThumbnail(text);
return false;
}
if(uriText && (externalDragAction==="image-url") && hyperlinkIsYouTubeLink(uriText)) {
this.addYouTubeThumbnail(uriText);
return false;
}
if(text && (externalDragAction==="image-url") && hyperlinkIsImage(text)) {
this.addImageWithURL(text);
return false;
}
if(uriText && (externalDragAction==="image-url") && hyperlinkIsImage(uriText)) {
this.addImageWithURL(uriText);
return false;
}
if(text && (externalDragAction==="image-import") && hyperlinkIsImage(text)) {
this.addImageSaveToVault(text);
return false;
}
if(uriText && (externalDragAction==="image-import") && hyperlinkIsImage(uriText)) {
this.addImageSaveToVault(uriText);
return false;
}
if (
this.plugin.settings.iframelyAllowed &&
text.match(/^https?:\/\/\S*$/)
) {
this.addTextWithIframely(text);
return false;
}
//https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/599
if(text.startsWith("obsidian://open?vault=")) {
const html = event.dataTransfer.getData("text/html");
if(html) {
const path = html.match(/href="app:\/\/obsidian\.md\/(.*?)"/);
if(path.length === 2) {
const link = decodeURIComponent(path[1]).split("#");
const f = app.vault.getAbstractFileByPath(link[0]);
if(f && f instanceof TFile) {
const path = app.metadataCache.fileToLinktext(f,this.file.path);
this.addText(`[[${
path +
(link.length>1 ? "#" + link[1] + "|" + path : "")
}]]`);
return;
}
this.addText(`[[${decodeURIComponent(path[1])}]]`);
return false;
}
}
const path = text.split("file=");
if(path.length === 2) {
this.addText(`[[${decodeURIComponent(path[1])}]]`);
return false;
}
}
this.addText(text.replace(/(!\[\[.*#[^\]]*\]\])/g, "$1{40}"));
}
return false;
}
if (onDropHook("unknown", null, null)) {
return false;
}
return true;
},
onBeforeTextEdit: (textElement: ExcalidrawTextElement) => {
clearTimeout(this.isEditingTextResetTimer);
this.isEditingTextResetTimer = null;
this.semaphores.isEditingText = true; //to prevent autoresize on mobile when keyboard pops up
if(this.compatibilityMode) {
return textElement.originalText ?? textElement.text;
}
const raw = this.excalidrawData.getRawText(textElement.id);
if (!raw) {
return textElement.rawText;
}
return raw;
},
onBeforeTextSubmit: (
textElement: ExcalidrawTextElement,
text: string,
originalText: string,
isDeleted: boolean,
): [string, string, string] => {
const api = this.excalidrawAPI;
if (!api) {
return [null, null, null];
}
// 1. Set the isEditingText flag to true to prevent autoresize on mobile
// 1500ms is an empirical number, the onscreen keyboard usually disappears in 1-2 seconds
this.semaphores.isEditingText = true;
if(this.isEditingTextResetTimer) {
clearTimeout(this.isEditingTextResetTimer);
}
this.isEditingTextResetTimer = setTimeout(() => {
this.semaphores.isEditingText = false;
this.isEditingTextResetTimer = null;
}, 1500);
// 2. If the text element is deleted, remove it from ExcalidrawData
// parsed textElements cache
if (isDeleted) {
this.excalidrawData.deleteTextElement(textElement.id);
this.setDirty(7);
return [null, null, null];
}
// 3. Check if the user accidently pasted Excalidraw data from the clipboard
// as text. If so, update the parsed link in ExcalidrawData
// textElements cache and update the text element in the scene with a warning.
const FORBIDDEN_TEXT = `{"type":"excalidraw/clipboard","elements":[{"`;
const WARNING = t("WARNING_PASTING_ELEMENT_AS_TEXT");
if(text.startsWith(FORBIDDEN_TEXT)) {
setTimeout(()=>{
const elements = this.excalidrawAPI.getSceneElements();
const el = elements.filter((el:ExcalidrawElement)=>el.id === textElement.id);
if(el.length === 1) {
const clone = cloneElement(el[0]);
clone.rawText = WARNING;
elements[elements.indexOf(el[0])] = clone;
this.excalidrawData.setTextElement(clone.id,WARNING,WARNING,()=>{});
this.updateScene({elements});
api.history.clear();
}
});
return [WARNING,WARNING,null];
}
const containerId = textElement.containerId;
const REG_TRANSCLUSION = /^!\[\[([^|\]]*)?.*?]]$|^!\[[^\]]*?]\((.*?)\)$/g;
// 4. Check if the text matches the transclusion pattern and if so,
// check if the link in the transclusion can be resolved to a file in the vault
// if the link can be resolved, check if the file is a markdown file but not an
// Excalidraw file. If so, create a timeout to remove the text element from the
// scene and invoke the UniversalInsertFileModal with the file.
const match = originalText.trim().matchAll(REG_TRANSCLUSION).next(); //reset the iterator
if(match?.value?.[0]) {
const link = match.value[1] ?? match.value[2];
const file = app.metadataCache.getFirstLinkpathDest(link, this.file.path);
if(file && file instanceof TFile) {
if (file.extension !== "md" || this.plugin.isExcalidrawFile(file))
{
setTimeout(async ()=>{
const elements = this.excalidrawAPI.getSceneElements();
const el = elements.filter((el:ExcalidrawElement)=>el.id === textElement.id) as ExcalidrawTextElement[];
if(el.length === 1) {
const center = {x: el[0].x, y: el[0].y };
const clone = cloneElement(el[0]);
clone.isDeleted = true;
this.excalidrawData.deleteTextElement(clone.id);
elements[elements.indexOf(el[0])] = clone;
this.updateScene({elements});
const ea:ExcalidrawAutomate = getEA(this);
if(IMAGE_TYPES.contains(file.extension)) {
ea.selectElementsInView([await insertImageToView (ea, center, file)]);
} else if(file.extension !== "pdf") {
ea.selectElementsInView([await insertEmbeddableToView (ea, center, file)]);
} else {
const modal = new UniversalInsertFileModal(this.plugin, this);
modal.open(file, center);
}
this.setDirty();
}
});
return [null, null, null];
} else {
new Notice(t("USE_INSERT_FILE_MODAL"),5000);
}
}
}
// 5. Check if the user made changes to the text, or
// the text is missing from ExcalidrawData textElements cache (recently copy/pasted)
if (
text !== textElement.text ||
originalText !== textElement.originalText ||
!this.excalidrawData.getRawText(textElement.id)
) {
//the user made changes to the text or the text is missing from Excalidraw Data (recently copy/pasted)
//setTextElement will attempt a quick parse (without processing transclusions)
this.setDirty(8);
// setTextElement will invoke this callback function in case quick parse was not possible, the parsed text contains transclusions
// in this case I need to update the scene asynchronously when parsing is complete
const callback = async (wrappedParsedText:string, parsedText:string) => {
//this callback function will only be invoked if quick parse fails, i.e. there is a transclusion in the raw text
if(this.textMode === TextMode.raw) return;
const elements = this.excalidrawAPI.getSceneElements();
const el = elements.filter((el:ExcalidrawElement)=>el.id === textElement.id);
if(el.length === 1) {
const clone = cloneElement(el[0]);
const containerType = el[0].containerId
? api.getSceneElements().filter((e:ExcalidrawElement)=>e.id===el[0].containerId)?.[0]?.type
: undefined;
this.excalidrawData.updateTextElement(
clone,
wrappedParsedText,
parsedText,
true,
containerType
);
elements[elements.indexOf(el[0])] = clone;
this.updateScene({elements});
if(clone.containerId) this.updateContainerSize(clone.containerId);
this.setDirty();
}
api.history.clear();
};
const [parseResultWrapped, parseResultOriginal, link] =
this.excalidrawData.setTextElement(
textElement.id,
text,
originalText,
callback,
);
// if quick parse was successful,
// - check if textElement is in a container and update the container size,
// because the parsed text will have a different size than the raw text had
// - depending on the textMode, return the text with markdown markup or the parsed text
// if quick parse was not successful return [null, null, null] to indicate that the no changes were made to the text element
if (parseResultWrapped) {
//there were no transclusions in the raw text, quick parse was successful
if (containerId) {
this.updateContainerSize(containerId, true);
}
if (this.textMode === TextMode.raw) {
return [text, originalText, link];
} //text is displayed in raw, no need to clear the history, undo will not create problems
if (text === parseResultWrapped) {
if (link) {
//don't forget the case: link-prefix:"" && link-brackets:true
return [parseResultWrapped, parseResultOriginal, link];
}
return [null, null, null];
} //There were no links to parse, raw text and parsed text are equivalent
api.history.clear();
return [parseResultWrapped, parseResultOriginal, link];
}
return [null, null, null];
}
// even if the text did not change, container sizes might need to be updated
if (containerId) {
this.updateContainerSize(containerId, true);
}
if (this.textMode === TextMode.parsed) {
return this.excalidrawData.getParsedText(textElement.id);
}
return [null, null, null];
},
onLinkOpen: async (
element: ExcalidrawElement,
e: any,
): Promise<void> => {
e.preventDefault();
if (!element) {
return;
}
let link = element.link;
if (!link || link === "") {
return;
}
setTimeout(()=>this.removeLinkTooltip(),500);
let event = e?.detail?.nativeEvent;
if(this.handleLinkHookCall(element,element.link,event)) return;
if(this.openExternalLink(element.link, !isSHIFT(event) && !isCTRL(event) && !isMETA(event) && !isALT(event) ? element : undefined)) return;
//if element is type text and element has multiple links, then submit the element text to linkClick to trigger link suggester
if(element.type === "text") {
const linkText = element.rawText.replaceAll("\n", ""); //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/187
const partsArray = REGEX_LINK.getResList(linkText);
if(partsArray.filter(p=>Boolean(p.value)).length > 1) {
link = linkText;
}
}
if (!event.shiftKey && !event.ctrlKey && !event.metaKey && !event.altKey) {
event = emulateKeysForLinkClick("new-tab");
}
this.linkClick(
event,
null,
null,
{id: element.id, text: link},
event,
);
return;
},
onLinkHover: (
element: NonDeletedExcalidrawElement,
event: React.PointerEvent<HTMLCanvasElement>,
): void => {
if (
element &&
(this.plugin.settings.hoverPreviewWithoutCTRL ||
isCTRL(event))
) {
mouseEvent = event;
mouseEvent.ctrlKey = !(DEVICE.isIOS || DEVICE.isMacOS) || mouseEvent.ctrlKey;
mouseEvent.metaKey = (DEVICE.isIOS || DEVICE.isMacOS) || mouseEvent.metaKey;
const link = element.link;
if (!link || link === "") {
return;
}
if (link.startsWith("[[")) {
const linkMatch = link.match(/\[\[(?<link>.*?)\]\]/);
if (!linkMatch) {
return;
}
let linkText = linkMatch.groups.link;
showHoverPreview(linkText, element);
}
}
},
onViewModeChange: (isViewModeEnabled: boolean) => {
if(!this.semaphores.viewunload) {
this.toolsPanelRef?.current?.setExcalidrawViewMode(
isViewModeEnabled,
);
}
if(this.getHookServer().onViewModeChangeHook) {
try {
this.getHookServer().onViewModeChangeHook(isViewModeEnabled,this,this.getHookServer());
} catch(e) {
errorlog({where: "ExcalidrawView.onViewModeChange", fn: this.getHookServer().onViewModeChangeHook, error: e});
}
}
},
validateEmbeddable: true,
renderWebview: DEVICE.isDesktop,
renderEmbeddable: (
element: NonDeletedExcalidrawElement,
appState: UIAppState,
) => {
try {
const useExcalidrawFrame = useDefaultExcalidrawFrame(element);
if(!this.file || !element || !element.link || element.link.length === 0 || useExcalidrawFrame) {
return null;
}
if(element.link.match(REG_LINKINDEX_HYPERLINK)) {
if(!useExcalidrawFrame) {
return renderWebView(element.link, this, element.id, appState);
} else {
return null;
}
}
const res = REGEX_LINK.getRes(element.link).next();
if(!res || (!res.value && res.done)) {
return null;
}
let linkText = REGEX_LINK.getLink(res);
if(linkText.match(REG_LINKINDEX_HYPERLINK)) {
if(!useExcalidrawFrame) {
return renderWebView(linkText, this, element.id, appState);
} else {
return null;
}
}
return React.createElement(CustomEmbeddable, {element,view:this, appState, linkText});
} catch(e) {
return null;
}
}
},//,React.createElement(Footer,{},React.createElement(customTextEditor.render)),
React.createElement (
MainMenu,
{},
React.createElement(MainMenu.DefaultItems.ChangeCanvasBackground),
React.createElement(MainMenu.DefaultItems.ToggleTheme),
React.createElement(MainMenu.Separator),
!DEVICE.isPhone ? React.createElement(
MainMenu.Item,
{
icon: ICONS.trayMode,
"aria-label": "Tray-mode offers an alternative, more spacious canvas",
onSelect: ()=>{
this.toggleTrayMode();
}
},
"Toggle tray-mode"
) : null,
React.createElement(
MainMenu.Item,
{
icon: saveIcon(false),
"aria-label": t("FORCE_SAVE"),
onSelect: ()=>{
this.forceSave();
}
},
"Save"
),
React.createElement(
MainMenu.Item,
{
icon: ICONS.scriptEngine,
"aria-label": "Explore the Excalidraw Script Library",
onSelect: ()=>{
new ScriptInstallPrompt(this.plugin).open();
}
},
"Script Library"
),
React.createElement(
MainMenu.Item,
{
icon: ICONS.ExportImage,
"aria-label": "Export image as PNG, SVG, or Excalidraw file",
onSelect: ()=>{
if(!this.exportDialog) {
this.exportDialog = new ExportDialog(this.plugin, this,this.file);
this.exportDialog.createForm();
}
this.exportDialog.open();
}
},
"Export Image..."
),
React.createElement(
MainMenu.Item,
{
icon: ICONS.switchToMarkdown,
"aria-label": "Switch to markdown view",
onSelect: ()=>{
this.openAsMarkdown();
}
},
"Open as Markdown"
),
React.createElement(MainMenu.Separator),
React.createElement(MainMenu.DefaultItems.Help),
React.createElement(MainMenu.DefaultItems.ClearCanvas),
),
React.createElement(
WelcomeScreen,
{},
React.createElement(
WelcomeScreen.Center,
{},
React.createElement(
WelcomeScreen.Center.Logo,
{},
React.createElement(
LogoWrapper,
{},
ICONS.ExcalidrawSword,
),
),
React.createElement(
WelcomeScreen.Center.Heading,
{},
"Type \"Excalidraw\" in the Command Palette",
React.createElement("br"),
"Explore the Obsidian Menu in the top right",
React.createElement("br"),
"Visit the Script Library",
React.createElement("br"),
"Find help in the hamburger-menu",
),
React.createElement(
WelcomeScreen.Center.Menu,
{},
React.createElement(
WelcomeScreen.Center.MenuItemLink,
{
icon: ICONS.YouTube,
href: "https://www.youtube.com/@VisualPKM",
shortcut: null,
"aria-label": "Visual PKM YouTube Channel",
},
" Check out the Visual PKM YouTube channel."
),
React.createElement(
WelcomeScreen.Center.MenuItemLink,
{
icon: ICONS.Discord,
href: "https://discord.gg/DyfAXFwUHc",
shortcut: null,
"aria-label": "Join the Visual Thinking Discord Server",
},
" Join the Visual Thinking Discord Server"
),
React.createElement(
WelcomeScreen.Center.MenuItemLink,
{
icon: ICONS.twitter,
href: "https://twitter.com/zsviczian",
shortcut: null,
"aria-label": "Follow me on Twitter",
},
" Follow me on Twitter"
),
React.createElement(
WelcomeScreen.Center.MenuItemLink,
{
icon: ICONS.heart,
href: "https://ko-fi.com/zsolt",
shortcut: null,
"aria-label": "Donate to support Excalidraw-Obsidian",
},
" Say \"Thank You\" & support the plugin."
),
)
)
)
),
React.createElement(
ToolsPanel,
{
ref: toolsPanelRef,
visible: false,
view: this,
centerPointer: setCurrentPositionToCenter,
}
),
);
const observer = React.useRef(
new ResizeObserver((entries) => {
if(!toolsPanelRef || !toolsPanelRef.current) return;
const { width, height } = entries[0].contentRect;
if(width===0 || height ===0) return;
const dx = toolsPanelRef.current.onRightEdge
? toolsPanelRef.current.previousWidth - width
: 0;
const dy = toolsPanelRef.current.onBottomEdge
? toolsPanelRef.current.previousHeight - height
: 0;
toolsPanelRef.current.updatePosition(dy, dx);
}),
);
React.useEffect(() => {
if (toolsPanelRef?.current) {
observer.current.observe(toolsPanelRef.current.containerRef.current);
}
return () => {
observer.current.unobserve(
toolsPanelRef.current.containerRef.current,
);
};
}, [toolsPanelRef, observer]);
return React.createElement(React.Fragment, null, excalidrawDiv);
});
const root = ReactDOM.createRoot(this.contentEl);
root.render(reactElement);
}
private updateContainerSize(containerId?: string, delay: boolean = false) {
//console.log("updateContainerSize", containerId);
const api = this.excalidrawAPI;
if (!api) {
return;
}
const update = () => {
const containers = containerId
? api
.getSceneElements()
.filter((el: ExcalidrawElement) => el.id === containerId && el.type!=="arrow")
: api
.getSceneElements()
.filter(isContainer);
if (containers.length > 0) {
if (this.initialContainerSizeUpdate) {
//updateContainerSize will bump scene version which will trigger a false autosave
//after load, which will lead to a ping-pong between two syncronizing devices
this.semaphores.justLoaded = true;
}
api.updateContainerSize(containers);
}
this.initialContainerSizeUpdate = false;
};
if (delay) {
setTimeout(() => update(), 50);
} else {
update();
}
}
public zoomToFit(delay: boolean = true, justLoaded: boolean = false) {
const modalContainer = document.body.querySelector("div.modal-container");
if(modalContainer) return; //do not autozoom when the command palette or other modal container is envoked on iPad
const api = this.excalidrawAPI;
if (!api || !this.excalidrawRef || this.semaphores.isEditingText || this.semaphores.preventAutozoom) {
return;
}
const maxZoom = this.plugin.settings.zoomToFitMaxLevel;
const elements = api.getSceneElements().filter((el:ExcalidrawElement)=>el.width<10000 && el.height<10000);
if((app.isMobile && elements.length>1000) || elements.length>2500) {
if(justLoaded) api.scrollToContent();
return;
}
if (delay) {
//time for the DOM to render, I am sure there is a more elegant solution
setTimeout(
() => api.zoomToFit(elements, maxZoom, this.isFullscreen() ? 0 : 0.05),
100,
);
} else {
api.zoomToFit(elements, maxZoom, this.isFullscreen() ? 0 : 0.05);
}
}
public updatePinnedScripts() {
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
if (!api) {
return false;
}
api.updateScene({
appState: { pinnedScripts: this.plugin.settings.pinnedScripts },
});
}
public updatePinnedCustomPens() {
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
if (!api) {
return false;
}
api.updateScene({
appState: {
customPens: this.plugin.settings.customPens.slice(0,this.plugin.settings.numberOfCustomPens)
},
});
}
public updatePinchZoom() {
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
if (!api) {
return false;
}
api.updateScene({
appState: { allowPinchZoom: this.plugin.settings.allowPinchZoom },
});
}
public updateWheelZoom() {
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
if (!api) {
return false;
}
api.updateScene({
appState: { allowWheelZoom: this.plugin.settings.allowWheelZoom },
});
}
public async toggleTrayMode() {
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
if (!api) {
return false;
}
const st = api.getAppState();
api.updateScene({
appState: { trayModeEnabled: !st.trayModeEnabled },
});
//just in case settings were updated via Obsidian sync
await this.plugin.loadSettings();
this.plugin.settings.defaultTrayMode = !st.trayModeEnabled;
this.plugin.saveSettings();
}
public selectElementsMatchingQuery(
elements: ExcalidrawElement[],
query: string[],
selectResult: boolean = true,
exactMatch: boolean = false, //https://github.com/zsviczian/obsidian-excalidraw-plugin/issues/530
selectGroup: boolean = false,
) {
let match = getTextElementsMatchingQuery(
elements.filter((el: ExcalidrawElement) => el.type === "text"),
query,
exactMatch
).concat(getFrameElementsMatchingQuery(
elements.filter((el: ExcalidrawElement) => el.type === "frame"),
query,
exactMatch
));
if (match.length === 0) {
new Notice("I could not find a matching text element");
return;
}
if(selectGroup) {
const groupElements = this.plugin.ea.getElementsInTheSameGroupWithElement(match[0],elements)
if(groupElements.length>0) {
match = groupElements;
}
}
this.zoomToElements(selectResult,match);
}
public zoomToElements(
selectResult: boolean,
elements: ExcalidrawElement[]
) {
const api = this.excalidrawAPI;
if (!api) return;
const zoomLevel = this.plugin.settings.zoomToFitMaxLevel;
if (selectResult) {
api.selectElements(elements);
}
api.zoomToFit(elements, zoomLevel, 0.05);
}
public getViewSelectedElements(): ExcalidrawElement[] {
const api = this.excalidrawAPI;
if (!api) {
return [];
}
const selectedElements = api.getAppState()?.selectedElementIds;
if (!selectedElements) {
return [];
}
const selectedElementsKeys = Object.keys(selectedElements);
if (!selectedElementsKeys) {
return [];
}
const elements: ExcalidrawElement[] = api
.getSceneElements()
.filter((e: any) => selectedElementsKeys.includes(e.id));
const containerBoundTextElmenetsReferencedInElements = elements
.filter(
(el) =>
el.boundElements &&
el.boundElements.filter((be) => be.type === "text").length > 0,
)
.map(
(el) =>
el.boundElements
.filter((be) => be.type === "text")
.map((be) => be.id)[0],
);
const elementIDs = elements
.map((el) => el.id)
.concat(containerBoundTextElmenetsReferencedInElements);
return api
.getSceneElements()
.filter((el: ExcalidrawElement) => elementIDs.contains(el.id));
}
public async copyLinkToSelectedElementToClipboard(prefix:string) {
const elements = this.getViewSelectedElements();
if (elements.length < 1) {
new Notice(t("INSERT_LINK_TO_ELEMENT_ERROR"));
return;
}
let elementId:string = undefined;
if(elements.length === 2) {
const textEl = elements.filter(el=>el.type==="text");
if(textEl.length===1 && (textEl[0] as ExcalidrawTextElement).containerId) {
const container = elements.filter(el=>el.boundElements.some(be=>be.type==="text"))
if(container.length===1) {
elementId = textEl[0].id;
}
}
}
if(!elementId) {
elementId = elements.length === 1
? elements[0].id
: this.plugin.ea.getLargestElement(elements).id;
}
const isFrame = elements.some(el=>el.id === elementId && el.type==="frame");
let buttons = [];
if(isFrame) {
switch(prefix) {
case "area=":
case "group=":
case "frame=":
buttons = [
{caption: "Frame", action:()=>{prefix="frame="; return;}},
{caption: "Link", action:()=>{prefix="";return}},
];
break;
default:
buttons = [
{caption: "Link", action:()=>{prefix="";return}},
{caption: "Frame", action:()=>{prefix="frame="; return;}},
]
}
} else {
switch(prefix) {
case "area=":
buttons = [
{caption: "Area", action:()=>{prefix="area="; return;}},
{caption: "Link", action:()=>{prefix="";return}},
{caption: "Group", action:()=>{prefix="group="; return;}},
];
break;
case "group=":
buttons = [
{caption: "Group", action:()=>{prefix="group="; return;}},
{caption: "Link", action:()=>{prefix="";return}},
{caption: "Area", action:()=>{prefix="area="; return;}},
];
break;
default:
buttons = [
{caption: "Link", action:()=>{prefix="";return}},
{caption: "Area", action:()=>{prefix="area="; return;}},
{caption: "Group", action:()=>{prefix="group="; return;}},
]
}
}
const alias = await ScriptEngine.inputPrompt(
this,
this.plugin,
app,
"Set link alias",
"Leave empty if you do not want to set an alias",
"",
buttons,
);
navigator.clipboard.writeText(
`${prefix.length>0?"!":""}[[${this.file.path}#^${prefix}${elementId}${alias ? `|${alias}` : ``}]]`,
);
new Notice(t("INSERT_LINK_TO_ELEMENT_READY"));
}
public updateScene(
scene: {
elements?: ExcalidrawElement[];
appState?: any;
files?: any;
commitToHistory?: boolean;
},
shouldRestore: boolean = false,
) {
const api = this.excalidrawAPI;
if (!api) {
return;
}
const shouldRestoreElements = scene.elements && shouldRestore;
if (shouldRestoreElements) {
scene.elements = restore(scene, null, null).elements;
}
try {
api.updateScene(scene);
} catch (e) {
errorlog({
where: "ExcalidrawView.updateScene 1st attempt",
fn: this.updateScene,
error: e,
scene,
willDoSecondAttempt: !shouldRestoreElements,
});
if (!shouldRestoreElements) {
//second attempt
try {
scene.elements = restore(scene, null, null).elements;
api.updateScene(scene);
} catch (e) {
errorlog({
where: "ExcalidrawView.updateScene 2nd attempt",
fn: this.updateScene,
error: e,
scene,
});
warningUnknowSeriousError();
}
} else {
warningUnknowSeriousError();
}
}
}
public updateEmbeddableRef(id: string, ref: HTMLIFrameElement | HTMLWebViewElement | null) {
if (ref) {
this.embeddableRefs.set(id, ref);
}
}
public getEmbeddableElementById(id: string): HTMLIFrameElement | HTMLWebViewElement | undefined {
return this.embeddableRefs.get(id);
}
public updateEmbeddableLeafRef(id: string, ref: any) {
if(ref) {
this.embeddableLeafRefs.set(id, ref);
}
}
public getEmbeddableLeafElementById(id: string): {leaf: WorkspaceLeaf; node?: ObsidianCanvasNode} | null {
const ref = this.embeddableLeafRefs.get(id);
if(!ref) {
return null;
}
return ref as {leaf: WorkspaceLeaf; node?: ObsidianCanvasNode};
}
getActiveEmbeddable = ():{leaf: WorkspaceLeaf; node?: ObsidianCanvasNode}|null => {
if(!this.excalidrawAPI) return null;
const api = this.excalidrawAPI as ExcalidrawImperativeAPI;
const st = api.getAppState();
if(!st.activeEmbeddable || st.activeEmbeddable.state !== "active" ) return null;
return this.getEmbeddableLeafElementById(st.activeEmbeddable?.element?.id);
}
get editor(): any {
const embeddable = this.getActiveEmbeddable();
if(embeddable) {
if(embeddable.node && embeddable.node.isEditing) {
return embeddable.node.child.editor;
}
if(embeddable.leaf?.view instanceof MarkdownView) {
return embeddable.leaf.view.editor;
}
}
app.workspace.openLinkText
return null;
}
}
export function getTextMode(data: string): TextMode {
const parsed =
data.search("excalidraw-plugin: parsed\n") > -1 ||
data.search("excalidraw-plugin: locked\n") > -1; //locked for backward compatibility
return parsed ? TextMode.parsed : TextMode.raw;
}