Created
September 12, 2017 15:29
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(defn file-input [{:keys [id doc multiple on-change hide-msg | |
preview directory on-raw-change] :as attrs}] | |
[error {:errors (get (:bouncer.core/errors @doc) id) :hide-msg hide-msg} | |
[:div.flex.flex1.flex-column {:style {:display "inline-block"}} | |
(when (and preview (get @doc id)) | |
[preview (get @doc id)]) | |
[:div [:b (if multiple | |
(apply str (interpose ", " (map :name (id @doc)))) | |
(:name (id @doc)))]] | |
(let [attrs (merge | |
{:type "file" | |
:multiple (if multiple "multiple" "") | |
:on-change | |
(fn [e] | |
(let [target (.-target e) | |
files (.-files target) | |
a (atom [])] | |
(doseq [n (range (alength files))] | |
(let [file (aget files n) | |
reader (js/FileReader.) ] | |
(when on-raw-change | |
(on-raw-change file)) | |
(aset reader "onerror" #(do | |
(println "ON ERROR") | |
(swap! a conj nil))) | |
(aset reader "onabort" #(do | |
(println "ON ABORT") | |
(swap! a conj nil))) | |
(aset reader "onloadend" | |
#(let [b64 (.-result (.-target %)) | |
b64 (.substring b64 (inc (.indexOf b64 ",")))] | |
(swap! a conj {:file/name (.-name file) :file/data b64 | |
:file/directory directory}) | |
(when (= (count @a) (alength files)) | |
(set! (.-value target) nil) | |
(swap! doc assoc id | |
(if multiple | |
(vec (filter identity @a)) | |
(first @a))) | |
(when on-change | |
(on-change (id @doc)))))) | |
(.readAsDataURL reader file)))))} | |
(dissoc attrs :on-change :multiple :id :doc :preview | |
:hide-msg :on-raw-change :directory))] | |
[:input attrs])]]) |
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