Hi,
I'm doing my first real work in clojurescript/om. I have a little web service
that queries a database and returns a JSON message of all known schema owners.
I want to use this data source to populate a dropdown.
The demo page for om-bootstrap is really nice, but in the examples for
populating a dropdown, the menu-items are known beforehand, so they just nest a
lot of (menu-item) calls. I won't know the size of my dropdown until I hit the
database, and I don't want to spell out each individual menu item.... Is there
a better way to do this? I was thinking maybe creating a map of number-string
pairs, where the keys are menu item keys, and the values are the schema owners.
However, I can't think of how I would get around specifying each individual
menu item. I tried mapping the menu-item function to no avail.
The relevant clojurescript looks like this right now:
(ns junk-browser.core
(:require-macros [cljs.core.async.macros :refer [go]])
(:require [cljs.core.async :refer [>! <! chan close!]]
[om.core :as om :include-macros true]
[om.dom :as dom :include-macros true]
[om-bootstrap.button :as b]
[cljs-http.client :as http]))
(defn schema-dropdown [app owner]
(reify
om/IInitState
(init-state [_]
{:owners []})
om/IWillMount
(will-mount [_]
(go
(let [owners (into [] (<! (schema-owners)))] ; (schema-owners) is a
cljs-http GET
(om/update-state! owner #(assoc % :owners owners)))))
om/IRenderState
(render-state [ _ state]
(dom/div nil
(b/dropdown {:title "Schema Owners"}
(b/menu-item {:key 1} (nth (:owners state) 0 :not-found
...
(b/menu-item {:key n} (nth (:owners state) n-1
:not-found)))))))
Any ideas on how I can tackle this in a better way?
Thanks,
Tom
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