{.js => .ts} on relavant files.

1 files changed, 98 insertions, 0 deletions

diff --git a/static/clock.ts b/static/clock.ts
new file mode 100644
index 00000000..d33d603a
--- /dev/null
+++ b/static/clock.ts
@@ -0,0 +1,98 @@
+
+class Clock {
+    update(now) {
+    }
+}
+
+
+class Timebar extends Clock {
+
+    constructor(start_time, end_time) {
+        super();
+        this.start_time = start_time;
+        this.end_time = end_time;
+        this.bar_object = false
+    }
+
+
+    update(now) {
+        // 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) {
+                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 {
+    constructor(small_cal) {
+        super();
+        this.small_cal = small_cal;
+        this.current_cell = false
+    }
+
+    update(now) {
+        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 {
+    constructor () {
+        super();
+    }
+
+    connectedCallback () {
+        let interval = this.hasAttribute('interval') ? +this.getAttribute('img') : 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) { /* noop */ }
+}
+
+class TodayButton extends ClockElement {
+    update (now) {
+        this.querySelector('a').href = now.format("~Y-~m-~d.html")
+    }
+}
+customElements.define('today-button', TodayButton)
+
+
+class CurrentTime extends ClockElement {
+    update (now) {
+        this.innerHTML = now.format('~H:~M:~S')
+    }
+}
+customElements.define('current-time', CurrentTime)