Add the journal app.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4607 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/journal/tf-journal-entry.js

@@ -0,0 +1,84 @@
+import {LitElement, html, unsafeHTML, range} from './lit-all.min.js';
+import * as tfrpc from '/static/tfrpc.js';
+
+class TfJournalEntryElement extends LitElement {
+	static get properties() {
+		return {
+			whoami: {type: String},
+			key: {type: String},
+			journals: {type: Object},
+			text: {type: String},
+		};
+	}
+
+	constructor() {
+		super();
+		this.journals = {};
+		this.key = new Date().toISOString().split('T')[0];
+	}
+
+	markdown(md) {
+		var reader = new commonmark.Parser({safe: true});
+		var writer = new commonmark.HtmlRenderer();
+		var parsed = reader.parse(md || '');
+		return writer.render(parsed);
+	}
+
+	on_discard(event) {
+		this.text = undefined;
+	}
+
+	async on_publish() {
+		console.log('publish', this.text);
+		this.dispatchEvent(new CustomEvent('publish', {
+			bubbles: true,
+			detail: {
+				key: this.shadowRoot.getElementById('date_picker').value,
+				text: this.text,
+			},
+		}));
+	}
+
+	back_dates(count) {
+		let now = new Date();
+		let result = [];
+		for (let i = 0; i < count; i++) {
+			let next = new Date(now);
+			next.setDate(now.getDate() - i);
+			result.push(next.toISOString().split('T')[0]);
+		}
+		return result;
+	}
+
+	on_edit(event) {
+		this.text = event.srcElement.value;
+	}
+
+	on_date_change(event) {
+		this.key = event.srcElement.value;
+		this.text = this.journals[this.key]?.text;
+	}
+
+	render() {
+		console.log('RENDER ENTRY', this.key, this.journals?.[this.key]);
+		return html`
+			<select id="date_picker" @change=${this.on_date_change}>
+				${this.back_dates(10).map(x => html`
+					<option value=${x}>${x}</option>
+				`)}
+			</select>
+			<div style="display: inline-flex; flex-direction: row">
+				<button ?disabled=${this.text == this.journals?.[this.key]?.text} @click=${this.on_publish}>Publish</button>
+				<button @click=${this.on_discard}>Discard</button>
+			</div>
+			<div style="display: flex; flex-direction: row">
+				<textarea
+					style="flex: 1 1; min-height: 10em"
+					@input=${this.on_edit} .value=${this.text ?? this.journals?.[this.key]?.text ?? ''}></textarea>
+				<div style="flex: 1 1">${unsafeHTML(this.markdown(this.text ?? this.journals?.[this.key]?.text))}</div>
+			</div>
+		`;
+	}
+}
+
+customElements.define('tf-journal-entry', TfJournalEntryElement);