Files
standardnotes-app-web/app/assets/javascripts/ui_models/note_controller.ts

96 lines
2.6 KiB
TypeScript

import {
SNNote,
ContentType,
PayloadSource,
UuidString,
SNTag,
} from '@standardnotes/snjs';
import { WebApplication } from './application';
export class NoteController {
public note!: SNNote;
private application: WebApplication;
private onNoteValueChange?: (note: SNNote, source: PayloadSource) => void;
private removeStreamObserver?: () => void;
public isTemplateNote = false;
constructor(
application: WebApplication,
noteUuid: string | undefined,
private defaultTitle: string | undefined,
private defaultTag: UuidString | undefined
) {
this.application = application;
if (noteUuid) {
this.note = application.findItem(noteUuid) as SNNote;
}
}
async initialize(): Promise<void> {
if (!this.note) {
const note = (await this.application.createTemplateItem(
ContentType.Note,
{
text: '',
title: this.defaultTitle,
references: [],
}
)) as SNNote;
if (this.defaultTag) {
const tag = this.application.findItem(this.defaultTag) as SNTag;
await this.application.addTagHierarchyToNote(note, tag);
}
this.isTemplateNote = true;
this.note = note;
this.onNoteValueChange?.(this.note, this.note.payload.source);
}
this.streamItems();
}
private streamItems() {
this.removeStreamObserver = this.application.streamItems(
ContentType.Note,
(items, source) => {
this.handleNoteStream(items as SNNote[], source);
}
);
}
deinit() {
this.removeStreamObserver?.();
(this.removeStreamObserver as unknown) = undefined;
(this.application as unknown) = undefined;
this.onNoteValueChange = undefined;
}
private handleNoteStream(notes: SNNote[], source: PayloadSource) {
/** Update our note object reference whenever it changes */
const matchingNote = notes.find((item) => {
return item.uuid === this.note.uuid;
}) as SNNote;
if (matchingNote) {
this.isTemplateNote = false;
this.note = matchingNote;
this.onNoteValueChange?.(matchingNote, source);
}
}
insertTemplatedNote() {
this.isTemplateNote = false;
return this.application.insertItem(this.note);
}
/**
* Register to be notified when the controller's note's inner values change
* (and thus a new object reference is created)
*/
public setOnNoteInnerValueChange(
callback: (note: SNNote, source: PayloadSource) => void
) {
this.onNoteValueChange = callback;
if (this.note) {
this.onNoteValueChange(this.note, this.note.payload.source);
}
}
}