Files
status-react/src/react_native/flat_list.cljs
T
2022-12-20 22:45:37 +08:00

42 lines
1.5 KiB
Clojure

(ns react-native.flat-list
(:require ["react-native" :as react-native]
[reagent.core :as reagent]))
(def react-native-flat-list (reagent/adapt-react-class (.-FlatList ^js react-native)))
(defn- wrap-render-fn
[f render-data]
(fn [data]
(reagent/as-element [f (.-item ^js data) (.-index ^js data)
(.-separators ^js data) render-data
(.-isActive ^js data) (.-drag ^js data)])))
(defn- wrap-on-drag-end-fn
[f]
(fn [data]
(f (.-from ^js data) (.-to ^js data) (.-data ^js data))))
(defn- wrap-key-fn
[f]
(fn [data index]
{:post [(some? %)]}
(f data index)))
(defn base-list-props
[{:keys [key-fn render-fn empty-component header footer separator data render-data on-drag-end-fn]
:as props}]
(merge
{:data (to-array data)}
(when key-fn {:keyExtractor (wrap-key-fn key-fn)})
(when render-fn {:renderItem (wrap-render-fn render-fn render-data)})
(when separator {:ItemSeparatorComponent (fn [] (reagent/as-element separator))})
(when empty-component {:ListEmptyComponent (fn [] (reagent/as-element empty-component))})
(when header {:ListHeaderComponent (reagent/as-element header)})
(when footer {:ListFooterComponent (reagent/as-element footer)})
(when on-drag-end-fn {:onDragEnd (wrap-on-drag-end-fn on-drag-end-fn)})
(dissoc props :data :header :footer :empty-component :separator :render-fn :key-fn :on-drag-end-fn)))
(defn flat-list
[props]
[react-native-flat-list (base-list-props props)])