144 lines
3.8 KiB
JavaScript
144 lines
3.8 KiB
JavaScript
"use strict";
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import m from "mithril";
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import * as components from "../components";
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import * as taskQueue from "../task-queue";
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import * as store from "../store";
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import * as expression from "../../common/expression";
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import * as expressionParser from "../../common/expression-parser";
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import memoize from "../../common/memoize";
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const memoizeParse = memoize(expression.parse);
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const component = {
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oninit: vnode => {
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const obj = expression.parse(vnode.attrs.parameter);
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if (!Array.isArray(obj) || !obj[0] === "PARAM")
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throw new Error("Object must be a parameter path");
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vnode.state.object = obj[1];
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vnode.state.parameters = Object.values(vnode.attrs.childParameters).map(
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parameter => {
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return Object.assign({}, parameter, {
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parameter: expression.parse(parameter.parameter)
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});
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}
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);
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},
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view: vnode => {
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const device = vnode.attrs.device;
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const object = store.evaluateExpression(vnode.state.object, device);
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const parameters = vnode.state.parameters;
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if (!device[object]) return null;
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const instances = new Set();
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const prefix = `${object}.`;
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for (const p in device) {
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if (p.startsWith(prefix)) {
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const i = p.indexOf(".", prefix.length);
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if (i === -1) instances.add(p);
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else instances.add(p.slice(0, i));
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}
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}
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const headers = Object.values(parameters).map(p => m("th", p.label));
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const thead = m("thead", m("tr", headers));
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const rows = [];
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for (const i of instances) {
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let filter =
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vnode.attrs.filter != null ? memoizeParse(vnode.attrs.filter) : true;
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filter = expressionParser.map(filter, e => {
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if (Array.isArray(e) && e[0] === "PARAM")
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return ["PARAM", ["||", i, ".", e[1]]];
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return e;
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});
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if (!store.evaluateExpression(filter, device)) continue;
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const row = parameters.map(p => {
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const param = expressionParser.map(p.parameter, e => {
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if (Array.isArray(e) && e[0] === "PARAM")
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return ["PARAM", ["||", i, ".", e[1]]];
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return e;
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});
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return m(
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"td",
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m(
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components.get(p.type || "parameter"),
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Object.assign({}, p, {
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device: device,
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parameter: expressionParser.stringify(param),
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label: ""
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})
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)
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);
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});
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if (device[i].writable === true) {
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row.push(
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m(
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"td",
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m(
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"button",
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{
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title: "Delete this instance",
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onclick: () => {
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taskQueue.queueTask({
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name: "deleteObject",
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device: device["DeviceID.ID"].value[0],
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objectName: i
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});
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}
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},
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"✕"
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)
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)
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);
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}
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rows.push(m("tr", row));
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}
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if (!rows.length) {
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rows.push(
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m("tr.empty", m("td", { colspan: headers.length }, "No instances"))
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);
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}
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if (device[object].writable === true) {
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rows.push(
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m(
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"tr",
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m("td", { colspan: headers.length }),
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m(
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"td",
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m(
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"button",
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{
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title: "Create a new instance",
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onclick: () => {
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taskQueue.queueTask({
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name: "addObject",
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device: device["DeviceID.ID"].value[0],
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objectName: object
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});
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}
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},
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"🞢"
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)
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)
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)
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);
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}
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let label;
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if (vnode.attrs.label) label = m("h2", vnode.attrs.label);
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return [label, m("table.table", thead, m("tbody", rows))];
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}
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};
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export default component;
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