Created
February 18, 2014 21:05
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Om with core.async cleanup
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| (ns processtest.core | |
| (:require [cljs.core.async :refer [<! >! chan timeout]] | |
| [om.core :as om :include-macros true] | |
| [om.dom :as dom :include-macros true]) | |
| (:require-macros [cljs.core.async.macros :refer [go]])) | |
| (defn cell1 [data owner] | |
| (reify | |
| om/IInitState | |
| (init-state [_] {:value 0 :class ""}) | |
| om/IRenderState | |
| (render-state [_ state] | |
| (dom/td #js {:className (:class state)} (:value state))) | |
| om/IWillMount | |
| (will-mount [_] | |
| (let [c (:channel data)] | |
| (go (while true | |
| (let [[v g] (<! c)] | |
| (om/set-state! owner :value v) | |
| (om/set-state! owner :class g)))))))) | |
| (defn table1 [data owner] | |
| (->> (:update-channels data) | |
| (partition-all (:height data)) | |
| (map #(apply dom/tr nil (om/build-all cell1 %))) | |
| (apply dom/table nil) | |
| om/component)) | |
| (defn build-producer [m] | |
| (let [cs (vec (repeatedly m #(hash-map :channel (chan))))] | |
| (go (loop [i 0] | |
| (let [g (str "group" (mod i 6))] | |
| (dotimes [n (inc (rand-int m))] | |
| (let [c (:channel (cs (rand-int m)))] | |
| (>! c [(rand-int 10) g])))) | |
| (<! (timeout (rand-int 20))) | |
| (when (< i 1000) | |
| (recur (inc i))))) | |
| cs)) | |
| (def width 20) | |
| (def height 20) | |
| (om/root table1 {:update-channels (build-producer (* height width)) | |
| :height height | |
| :width width} | |
| {:target (. js/document (getElementById "big-table"))}) |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title></title> | |
| <style> | |
| table { | |
| font-family: courier; | |
| font-size: 8px; | |
| line-height: 1em !important; | |
| } | |
| .group0 { color: #000; } | |
| .group1 { color: #f00; } | |
| .group2 { color: #0f0; } | |
| .group3 { color: #00f; } | |
| .group4 { color: #ff0; } | |
| .group5 { color: #0ff; } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="big-table"></div> | |
| <script src="js/main.js" type="text/javascript"></script> | |
| </body> | |
| </html> |
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| (defproject processtest "0.1.0-SNAPSHOT" | |
| :description "FIXME: write description" | |
| :url "http://example.com/FIXME" | |
| :license {:name "Eclipse Public License" | |
| :url "http://www.eclipse.org/legal/epl-v10.html"} | |
| :dependencies [[org.clojure/clojure "1.5.1"] | |
| [org.clojure/core.async "0.1.267.0-0d7780-alpha"] | |
| [org.clojure/clojurescript "0.0-2156"] | |
| [om "0.4.1"]] | |
| :plugins [[lein-cljsbuild "1.0.2"]] | |
| :cljsbuild {:builds [{:source-paths ["src-cljs"] | |
| :compiler {:output-dir "resources/public/js" | |
| :output-to "resources/public/js/main.js" | |
| :optimizations :advanced | |
| :pretty-print false | |
| ;;:source-map "resources/public/js/main.js.map" | |
| :preamble ["react/react.min.js"] | |
| :externs ["react/externs/react.js"] | |
| }}]}) |
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