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export {
SmallcalCellHighlight, Timebar,
initialize_clock_components
}
import { makeElement, date_to_percent } from './lib'
abstract class Clock {
abstract update(now: Date): void;
}
class Timebar extends Clock {
// start_time: Date
// end_time: Date
bar_object: HTMLElement | null
constructor(/*start_time: Date, end_time: Date*/) {
super();
// this.start_time = start_time;
// this.end_time = end_time;
this.bar_object = null
}
update(now: Date) {
// if (! (this.start_time <= now.getTime() && now.getTime() < this.end_time))
// return;
var event_area = document.getElementById(now.format("~Y-~m-~d"))
if (event_area) {
if (this.bar_object !== null && this.bar_object.parentNode !== null) {
this.bar_object.parentNode.removeChild(this.bar_object)
} else {
this.bar_object = makeElement('div', {
id: 'bar',
className: 'eventlike current-time',
});
}
this.bar_object.style.top = date_to_percent(now) + "%";
event_area.append(this.bar_object)
}
}
}
class SmallcalCellHighlight extends Clock {
small_cal: HTMLElement
current_cell: HTMLElement | null
constructor(small_cal: HTMLElement) {
super();
this.small_cal = small_cal;
this.current_cell = null
}
update(now: Date) {
if (this.current_cell) {
this.current_cell.style.border = "";
}
/* This is expeced to fail if the current date is not
currently on screen. */
this.current_cell = this.small_cal.querySelector(
"time[datetime='" + now.format("~Y-~m-~d") + "']");
if (this.current_cell) {
this.current_cell.style.border = "1px solid black";
}
}
}
/* -------------------------------------------------- */
class ClockElement extends HTMLElement {
timer_id: number
constructor() {
super();
this.timer_id = 0
}
connectedCallback() {
let interval = this.hasAttribute('interval')
? +(this.getAttribute('interval') as string)
: 60;
interval *= 1000 /* ms */
this.timer_id = window.setInterval(() => this.update(new Date), interval)
this.update(new Date)
}
static get observedAttributes() {
return ['timer_id']
}
update(now: Date) { /* noop */ }
}
class TodayButton extends ClockElement {
update(now: Date) {
(this.querySelector('a') as any).href = now.format("~Y-~m-~d.html")
}
}
class CurrentTime extends ClockElement {
update(now: Date) {
this.textContent = now.format('~H:~M:~S')
}
}
function initialize_clock_components() {
customElements.define('today-button', TodayButton)
customElements.define('current-time', CurrentTime)
}
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