Generalize store quering functions

client/components/parameter-table.js

@@ -0,0 +1,42 @@
+"use strict";
+
+import m from "mithril";
+import * as components from "../components";
+
+const component = {
+  view: vnode => {
+    const device = vnode.attrs.device;
+    const object = vnode.attrs.object;
+    const parameters = vnode.attrs.parameters;
+
+    if (!device[object]) return null;
+
+    const instances = new Set();
+    for (let p in device)
+      if (p.startsWith(object))
+        instances.add(p.slice(0, p.indexOf(".", object.length + 1)));
+
+    const thead = m(
+      "thead",
+      m("tr", Object.values(parameters).map(p => m("th", p.label)))
+    );
+    const rows = [];
+    for (let i of instances) {
+      const row = Object.values(parameters).map(p =>
+        m(
+          "td",
+          m(
+            components.get("parameter"),
+            Object.assign({ device: device }, p, {
+              parameter: `${i}.${p.parameter}`
+            })
+          )
+        )
+      );
+      rows.push(m("tr", row));
+    }
+    return m("table.parameter-table", thead, m("tbody", rows));
+  }
+};
+
+export default component;