115 lines
3.0 KiB
TypeScript
115 lines
3.0 KiB
TypeScript
import { ClosureComponent, Component, VnodeDOM } from "mithril";
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import { m } from "../components.ts";
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import * as taskQueue from "../task-queue.ts";
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import * as store from "../store.ts";
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import { evaluate } from "../../lib/common/expression/util.ts";
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import memoize from "../../lib/common/memoize.ts";
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import timeAgo from "../timeago.ts";
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import { getIcon } from "../icons.ts";
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const evaluateParam = memoize((exp, obj, now: number) => {
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let timestamp = now;
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exp = evaluate(exp, null, now, (e) => {
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if (!Array.isArray(e)) return e;
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for (let i = 1; i < e.length; ++i) {
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if (
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Array.isArray(e[i]) &&
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e[i][0] === "PARAM" &&
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!Array.isArray(e[i][1])
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) {
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let v = null;
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const p = obj[e[i][1]];
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if (p?.value) {
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v = p.value[0];
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timestamp = Math.min(timestamp, p.valueTimestamp);
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}
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e = e.slice();
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e[i] = v;
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}
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}
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if (e[0] === "FUNC" && e[1] === "DATE_STRING" && !Array.isArray(e[2]))
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return new Date(e[2]).toLocaleString();
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return e;
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});
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let parameter = null;
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let value = null;
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if (!Array.isArray(exp)) {
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value = exp;
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} else if (exp[0] === "PARAM") {
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const p = obj[exp[1]];
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if (p?.value) {
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timestamp = p.valueTimestamp;
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value = p.value[0];
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parameter = exp[1];
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if (p.value[1] === "xsd:dateTime" && typeof value === "number")
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value = new Date(value).toLocaleString();
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}
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}
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return { value, timestamp, parameter };
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});
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const component: ClosureComponent = (): Component => {
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return {
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view: (vnode) => {
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const device = vnode.attrs["device"];
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const { value, timestamp, parameter } = evaluateParam(
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vnode.attrs["parameter"],
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device,
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store.getTimestamp() + store.getClockSkew(),
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);
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if (value == null) return null;
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let edit;
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if (device[parameter]?.writable) {
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edit = m(
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"button",
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{
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title: "Edit parameter value",
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onclick: () => {
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taskQueue.stageSpv({
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name: "setParameterValues",
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devices: [device["DeviceID.ID"].value[0]],
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parameterValues: [
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[
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parameter,
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device[parameter].value[0],
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device[parameter].value[1],
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],
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],
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});
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},
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},
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getIcon("edit"),
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);
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}
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const el = m("long-text", { text: `${value}` });
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return m(
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"span",
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{
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class: "parameter-value",
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onmouseover: (e) => {
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e.redraw = false;
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// Don't update any child element
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if (e.target === (el as VnodeDOM).dom) {
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const now = Date.now() + store.getClockSkew();
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const localeString = new Date(timestamp).toLocaleString();
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e.target.title = `${localeString} (${timeAgo(now - timestamp)})`;
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}
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},
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},
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el,
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edit,
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);
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},
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};
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};
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export default component;
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