Some refactoring

client/components/parameter-list.js

@@ -2,27 +2,41 @@
 
 import m from "mithril";
 import * as components from "../components";
+import * as store from "../store";
+import * as filterParser from "../../common/filter-parser";
 
 const component = {
+  oninit: vnode => {
+    vnode.state.parameters = Object.values(vnode.attrs.parameters).map(
+      parameter =>
+        Object.assign({}, parameter, {
+          parameter: filterParser.parseParameter(parameter.parameter)
+        })
+    );
+  },
   view: vnode => {
     const device = vnode.attrs.device;
-    const parameters = vnode.attrs.parameters;
-    const filtered = Object.values(parameters).filter(
-      p => p.parameter in device
-    );
-    const rows = filtered.map(p =>
-      m(
-        "tr",
-        m("th", p.label),
+
+    const rows = [];
+    for (let parameter of vnode.state.parameters) {
+      let p = store.evaluateExpression(parameter.parameter, device);
+
+      if (!(p in device)) continue;
+      rows.push(
         m(
-          "td",
+          "tr",
+          m("th", parameter.label),
           m(
-            components.get(p.type || "parameter"),
-            Object.assign({ device: device }, p)
+            "td",
+            m(
+              components.get(parameter.type || "parameter"),
+              Object.assign({}, parameter, { device: device, parameter: p })
+            )
           )
         )
-      )
-    );
+      );
+    }
+
     return m("table.parameter-list", rows);
   }
 };