underbbs/ts/thread-summary-element.ts

113 lines
No EOL
4.1 KiB
TypeScript

import util from "./util"
import { Message, Author } from "./message"
var _ = util._
var $ = util.$
export class ThreadSummaryElement extends HTMLElement {
static observedAttributes = [ "data-len", "data-author", "data-latest", "data-new" ];
private _len: number = 0;;
private _msg: Message | null = null;;
private _author: Author | null = null;
private _adapter: string = "";
private _created: Date = new Date();
private _latest: Date = new Date();
private _new: boolean = false;
constructor() {
super();
}
connectedCallback() {
this.innerHTML = "<div class='thread_summary'><div class='thread_author'></div><div class='thread_text'></div><div class='thread_metadata'></div></div>"
// adapter shouldn't change, just set it here
this._adapter = this.getAttribute("data-adapter") ?? "";
this.attributeChangedCallback();
if (this._msg) {
this.addEventListener("click", this.viewThread(this), false);
}
}
attributeChangedCallback() {
const datastore = _("datastore")[this._adapter];
const msgId = this.getAttribute("data-msg");
if (msgId && datastore && !this._msg) {
this._msg = datastore.messages.get(msgId);
if (this._msg) {
const threadText = this.querySelector(".thread_text");
if (threadText) {
threadText.innerHTML = this._msg.content;
}
let author = datastore.profileCache.get(this._msg.author);
if (!author) {
// request it!
}
this._author = author || <Author>{ id: this._msg.author };
const threadAuthor = this.querySelector(".thread_author");
if (threadAuthor && this._author) {
threadAuthor.innerHTML = this._author.profilePic
? `<img src="${this._author.profilePic}" alt="${this._author.id}"/> <a id="thread_${this._adapter}_${this._msg.id}_${this._author.id}" href="#author?id=${this._author.id}">${this._author.id}</a>`
: `<a id="thread_${this._adapter}_${this._msg.id}_${this._author.id}" href="#author?id=${this._author.id}">${this._author.id}</a>`;
}
}
}
// update author if it's passed in the attribute
const authorId = this.getAttribute("data-author");
if (authorId) {
let author = datastore?.profileCache?.get(this._msg?.author);
if (author) {
this._author = author;
const threadAuthor = this.querySelector(".thread_author");
if (threadAuthor && this._author && this._msg) {
threadAuthor.innerHTML = this._author.profilePic
? `<img src="${this._author.profilePic}" alt="${this._author.id}"/> <a id="thread_${this._adapter}_${this._msg.id}_${this._author.id}" href="#author?id=${this._author.id}>${this._author.id}</a>`
: `<a id="thread_${this._adapter}_${this._msg.id}_${this._author.id}" href="#author?id=${author.id}>${this._author.id}</a>` ;
}
}
}
const l = parseInt(this.getAttribute("data-len") ?? "0");
const latest = this.getAttribute("data-latest") ;
const created = this.getAttribute("data-created");
const newness = this.getAttribute("data-new") ? true : false;
let metadataChanged = false;
if (l && l != this._len) {
metadataChanged = true;
this._len = l;
}
if (created && new Date(created) != this._created) {
metadataChanged = true;
this._created = new Date(created);
this._latest = this._created;
}
if (latest && new Date(latest) != this._latest) {
metadataChanged = true;
this._latest = new Date(latest);
}
if (newness != this._new) {
metadataChanged = true;
this._new = newness;
}
if (metadataChanged) {
const threadMeta = this.querySelector(".thread_metadata");
if (threadMeta) {
threadMeta.innerHTML = `<span>${this._new ? "!" : ""}[${this._len}] created: ${this._created}, updated: ${this._latest}</span>`;
}
}
}
viewThread(self: ThreadSummaryElement) {
return () => {
const a = $(`adapter_${self._adapter}`);
if (a && self._msg) {
a.setAttribute("data-view", "thread");
a.setAttribute("data-viewing", self._msg.id);
}
}
}
}