import { $el, getActionEls } from "../../common/utils_dom.js"; import { bind } from "../utils_templates.js"; const CSS_STYLE_SHEETS = new Map(); const CSS_STYLE_SHEETS_ADDED = new Map(); const HTML_TEMPLATE_FILES = new Map(); function getCommonPath(name, extension) { return `rgthree/common/components/${name.replace("rgthree-", "").replace(/\-/g, "_")}.${extension}`; } async function getStyleSheet(name, markupOrPath) { if (markupOrPath.includes("{")) { return markupOrPath; } if (!CSS_STYLE_SHEETS.has(name)) { try { const path = markupOrPath || getCommonPath(name, "css"); const text = await (await fetch(path)).text(); CSS_STYLE_SHEETS.set(name, text); } catch (e) { } } return CSS_STYLE_SHEETS.get(name); } async function addStyleSheet(name, markupOrPath) { if (markupOrPath.includes("{")) { throw new Error("Page-level stylesheets should be passed a path."); } if (!CSS_STYLE_SHEETS_ADDED.has(name)) { const link = document.createElement("link"); link.rel = "stylesheet"; link.href = markupOrPath; document.head.appendChild(link); CSS_STYLE_SHEETS_ADDED.set(name, link); } return CSS_STYLE_SHEETS_ADDED.get(name); } async function getTemplateMarkup(name, markupOrPath) { if (markupOrPath.includes(" (this.firstConnectedPromiseResolver = resolve)); this.eventElements = new Map(); } static create() { if (this.NAME === "rgthree-override") { throw new Error("Must override component NAME"); } if (!window.customElements.get(this.NAME)) { window.customElements.define(this.NAME, this); } return document.createElement(this.NAME); } onFirstConnected() { } onReconnected() { } onConnected() { } onDisconnected() { } onAction(action, e) { console.log("onAction", action, e); } getElement(query) { const el = this.querySelector(query); if (!el) { throw new Error("No element found for query: " + query); } return el; } onActionInternal(action, e) { if (typeof this[action] === "function") { this[action](e); } else { this.onAction(action, e); } } onConnectedInternal() { this.connectActionElements(); this.onConnected(); } onDisconnectedInternal() { this.disconnectActionElements(); this.onDisconnected(); } async connectedCallback() { const elementName = this.ctor.NAME; const wasConnected = this.connected; if (!wasConnected) { this.connected = true; } if (!this.hasBeenConnected) { const [stylesheet, markup] = await Promise.all([ this.ctor.USE_SHADOW ? getStyleSheet(elementName, this.ctor.CSS) : addStyleSheet(elementName, this.ctor.CSS), getTemplateMarkup(elementName, this.ctor.TEMPLATES), ]); if (markup) { const temp = $el("div"); const templatesMarkup = markup.match(//gm) || []; for (const markup of templatesMarkup) { temp.innerHTML = markup; const template = temp.children[0]; if (!(template instanceof HTMLTemplateElement)) { throw new Error("Not a template element."); } let id = template.getAttribute("id"); if (!id) { id = this.ctor.NAME; } this.templates.set(id, template); } } if (this.ctor.USE_SHADOW) { this.root = this.attachShadow({ mode: "open" }); if (typeof stylesheet === "string") { const sheet = new CSSStyleSheet(); sheet.replaceSync(stylesheet); this.root.adoptedStyleSheets = [sheet]; } } else { this.root = this; } let template; if (this.templates.has(elementName)) { template = this.templates.get(elementName); } else if (this.templates.has(elementName.replace("rgthree-", ""))) { template = this.templates.get(elementName.replace("rgthree-", "")); } if (template) { this.root.appendChild(template.content.cloneNode(true)); for (const name of template.getAttributeNames()) { if (name != "id" && template.getAttribute(name)) { this.setAttribute(name, template.getAttribute(name)); } } } this.onFirstConnected(); this.hasBeenConnected = true; this.firstConnectedPromiseResolver(); } else { this.onReconnected(); } this.onConnectedInternal(); } disconnectedCallback() { this.connected = false; this.onDisconnected(); } connectActionElements() { const data = getActionEls(this); for (const dataItem of Object.values(data)) { const mapItem = this.eventElements.get(dataItem.el) || {}; for (const [event, action] of Object.entries(dataItem.actions)) { if (mapItem[event]) { console.warn(`Element already has an event for ${event}`); continue; } mapItem[event] = (e) => { this.onActionInternal(action, e); }; dataItem.el.addEventListener(event, mapItem[event]); } } } disconnectActionElements() { for (const [el, eventData] of this.eventElements.entries()) { for (const [event, fn] of Object.entries(eventData)) { el.removeEventListener(event, fn); } } } async bindWhenConnected(data, el) { await this.firstConnectedPromise; this.bind(data, el); } bind(data, el) { bind(el || this.root, data); } } RgthreeCustomElement.NAME = "rgthree-override"; RgthreeCustomElement.USE_SHADOW = true; RgthreeCustomElement.TEMPLATES = ""; RgthreeCustomElement.CSS = "";