Notes/src/public/app/components/note_context.ts

394 lines
12 KiB
TypeScript

import protectedSessionHolder from "../services/protected_session_holder.js";
import server from "../services/server.js";
import utils from "../services/utils.js";
import appContext, { type EventData, type EventListener } from "./app_context.js";
import treeService from "../services/tree.js";
import Component from "./component.js";
import froca from "../services/froca.js";
import hoistedNoteService from "../services/hoisted_note.js";
import options from "../services/options.js";
import type { ViewScope } from "../services/link.js";
import type FNote from "../entities/fnote.js";
import type TypeWidget from "../widgets/type_widgets/type_widget.js";
export interface SetNoteOpts {
triggerSwitchEvent?: unknown;
viewScope?: ViewScope;
}
export type GetTextEditorCallback = () => void;
class NoteContext extends Component implements EventListener<"entitiesReloaded"> {
ntxId: string | null;
hoistedNoteId: string;
mainNtxId: string | null;
notePath?: string | null;
noteId?: string | null;
parentNoteId?: string | null;
viewScope?: ViewScope;
constructor(ntxId: string | null = null, hoistedNoteId: string = "root", mainNtxId: string | null = null) {
super();
this.ntxId = ntxId || NoteContext.generateNtxId();
this.hoistedNoteId = hoistedNoteId;
this.mainNtxId = mainNtxId;
this.resetViewScope();
}
static generateNtxId() {
return utils.randomString(6);
}
setEmpty() {
this.notePath = null;
this.noteId = null;
this.parentNoteId = null;
// hoisted note is kept intentionally
this.triggerEvent("noteSwitched", {
noteContext: this,
notePath: this.notePath
});
this.resetViewScope();
}
isEmpty() {
return !this.noteId;
}
async setNote(inputNotePath: string | undefined, opts: SetNoteOpts = {}) {
opts.triggerSwitchEvent = opts.triggerSwitchEvent !== undefined ? opts.triggerSwitchEvent : true;
opts.viewScope = opts.viewScope || {};
opts.viewScope.viewMode = opts.viewScope.viewMode || "default";
if (!inputNotePath) {
return;
}
const resolvedNotePath = await this.getResolvedNotePath(inputNotePath);
if (!resolvedNotePath) {
return;
}
if (this.notePath === resolvedNotePath && utils.areObjectsEqual(this.viewScope, opts.viewScope)) {
return;
}
await this.triggerEvent("beforeNoteSwitch", { noteContext: this });
utils.closeActiveDialog();
this.notePath = resolvedNotePath;
this.viewScope = opts.viewScope;
({ noteId: this.noteId, parentNoteId: this.parentNoteId } = treeService.getNoteIdAndParentIdFromUrl(resolvedNotePath));
this.saveToRecentNotes(resolvedNotePath);
protectedSessionHolder.touchProtectedSessionIfNecessary(this.note);
if (opts.triggerSwitchEvent) {
await this.triggerEvent("noteSwitched", {
noteContext: this,
notePath: this.notePath
});
}
await this.setHoistedNoteIfNeeded();
if (utils.isMobile()) {
this.triggerCommand("setActiveScreen", { screen: "detail" });
}
}
async setHoistedNoteIfNeeded() {
if (this.hoistedNoteId === "root" && this.notePath?.startsWith("root/_hidden") && !this.note?.isLabelTruthy("keepCurrentHoisting")) {
// hidden subtree displays only when hoisted, so it doesn't make sense to keep root as hoisted note
let hoistedNoteId = "_hidden";
if (this.note?.isLaunchBarConfig()) {
hoistedNoteId = "_lbRoot";
} else if (this.note?.isOptions()) {
hoistedNoteId = "_options";
}
await this.setHoistedNoteId(hoistedNoteId);
}
}
getSubContexts() {
return appContext.tabManager.noteContexts.filter((nc) => nc.ntxId === this.ntxId || nc.mainNtxId === this.ntxId);
}
/**
* A main context represents a tab and also the first split. Further splits are the children contexts of the main context.
* Imagine you have a tab with 3 splits, each showing notes A, B, C (in this order).
* In such a scenario, A context is the main context (also representing the tab as a whole), and B, C are the children
* of context A.
*
* @returns {boolean} true if the context is main (= tab)
*/
isMainContext() {
// if null, then this is a main context
return !this.mainNtxId;
}
/**
* See docs for isMainContext() for better explanation.
*
* @returns {NoteContext}
*/
getMainContext() {
if (this.mainNtxId) {
try {
return appContext.tabManager.getNoteContextById(this.mainNtxId);
} catch (e) {
this.mainNtxId = null;
return this;
}
} else {
return this;
}
}
saveToRecentNotes(resolvedNotePath: string) {
setTimeout(async () => {
// we include the note in the recent list only if the user stayed on the note at least 5 seconds
if (resolvedNotePath && resolvedNotePath === this.notePath) {
await server.post("recent-notes", {
noteId: this.note?.noteId,
notePath: this.notePath
});
utils.reloadTray();
}
}, 5000);
}
async getResolvedNotePath(inputNotePath: string) {
const resolvedNotePath = await treeService.resolveNotePath(inputNotePath, this.hoistedNoteId);
if (!resolvedNotePath) {
logError(`Cannot resolve note path ${inputNotePath}`);
return;
}
if ((await hoistedNoteService.checkNoteAccess(resolvedNotePath, this)) === false) {
return; // note is outside of hoisted subtree and user chose not to unhoist
}
return resolvedNotePath;
}
get note(): FNote | null {
if (!this.noteId || !(this.noteId in froca.notes)) {
return null;
}
return froca.notes[this.noteId];
}
/** @returns {string[]} */
get notePathArray() {
return this.notePath ? this.notePath.split("/") : [];
}
isActive() {
return appContext.tabManager.activeNtxId === this.ntxId;
}
getPojoState() {
if (this.hoistedNoteId !== "root") {
// keeping empty hoisted tab is esp. important for mobile (e.g. opened launcher config)
if (!this.notePath && this.getSubContexts().length === 0) {
return null;
}
}
return {
ntxId: this.ntxId,
mainNtxId: this.mainNtxId,
notePath: this.notePath,
hoistedNoteId: this.hoistedNoteId,
active: this.isActive(),
viewScope: this.viewScope
};
}
async unhoist() {
await this.setHoistedNoteId("root");
}
async setHoistedNoteId(noteIdToHoist: string) {
if (this.hoistedNoteId === noteIdToHoist) {
return;
}
this.hoistedNoteId = noteIdToHoist;
if (!this.notePathArray?.includes(noteIdToHoist)) {
await this.setNote(noteIdToHoist);
}
await this.triggerEvent("hoistedNoteChanged", {
noteId: noteIdToHoist,
ntxId: this.ntxId
});
}
/** @returns {Promise<boolean>} */
async isReadOnly() {
if (this?.viewScope?.readOnlyTemporarilyDisabled) {
return false;
}
// "readOnly" is a state valid only for text/code notes
if (!this.note || (this.note.type !== "text" && this.note.type !== "code")) {
return false;
}
if (this.note.isLabelTruthy("readOnly")) {
return true;
}
if (this.viewScope?.viewMode === "source") {
return true;
}
const blob = await this.note.getBlob();
if (!blob) {
return false;
}
const sizeLimit = this.note.type === "text" ? options.getInt("autoReadonlySizeText") : options.getInt("autoReadonlySizeCode");
return sizeLimit && blob.contentLength > sizeLimit && !this.note.isLabelTruthy("autoReadOnlyDisabled");
}
async entitiesReloadedEvent({ loadResults }: EventData<"entitiesReloaded">) {
if (this.noteId && loadResults.isNoteReloaded(this.noteId)) {
const noteRow = loadResults.getEntityRow("notes", this.noteId);
if (noteRow.isDeleted) {
this.noteId = null;
this.notePath = null;
this.triggerEvent("noteSwitched", {
noteContext: this,
notePath: this.notePath
});
}
}
}
hasNoteList() {
return (
this.note &&
["default", "contextual-help"].includes(this.viewScope?.viewMode ?? "") &&
(this.note.hasChildren() || this.note.getLabelValue("viewType") === "calendar") &&
["book", "text", "code"].includes(this.note.type) &&
this.note.mime !== "text/x-sqlite;schema=trilium" &&
!this.note.isLabelTruthy("hideChildrenOverview")
);
}
async getTextEditor(callback?: GetTextEditorCallback) {
return this.timeout<TextEditor>(
new Promise((resolve) =>
appContext.triggerCommand("executeWithTextEditor", {
callback,
resolve,
ntxId: this.ntxId
})
)
);
}
async getCodeEditor() {
return this.timeout(
new Promise<CodeMirrorInstance>((resolve) =>
appContext.triggerCommand("executeWithCodeEditor", {
resolve,
ntxId: this.ntxId
})
)
);
}
/**
* Returns a promise which will retrieve the JQuery element of the content of this note context.
*
* Do note that retrieving the content element needs to be handled by the type widget, which is the one which
* provides the content element by listening to the `executeWithContentElement` event. Not all note types support
* this.
*
* If no content could be determined `null` is returned instead.
*/
async getContentElement() {
return this.timeout<JQuery<HTMLElement>>(
new Promise((resolve) =>
appContext.triggerCommand("executeWithContentElement", {
resolve,
ntxId: this.ntxId
})
)
);
}
async getTypeWidget() {
return this.timeout(
new Promise<TypeWidget | null>((resolve) =>
appContext.triggerCommand("executeWithTypeWidget", {
resolve,
ntxId: this.ntxId
})
)
);
}
timeout<T>(promise: Promise<T | null>) {
return Promise.race([promise, new Promise((res) => setTimeout(() => res(null), 200))]) as Promise<T>;
}
resetViewScope() {
// view scope contains data specific to one note context and one "view".
// it is used to e.g., make read-only note temporarily editable or to hide TOC
// this is reset after navigating to a different note
this.viewScope = {};
}
async getNavigationTitle() {
if (!this.note) {
return null;
}
const { note, viewScope } = this;
// For llmChat viewMode, show a custom title
if (viewScope?.viewMode === "llmChat") {
return "Chat with Notes";
}
const isNormalView = (viewScope?.viewMode === "default" || viewScope?.viewMode === "contextual-help");
let title = (isNormalView ? note.title : `${note.title}: ${viewScope?.viewMode}`);
if (viewScope?.attachmentId) {
// assuming the attachment has been already loaded
const attachment = await note.getAttachmentById(viewScope.attachmentId);
if (attachment) {
title += `: ${attachment.title}`;
}
}
return title;
}
}
export default NoteContext;