upload.erl

-module(upload).
-compile(export_all).
-include_lib("nitro/include/nitro.hrl").
-include_lib("kernel/include/file.hrl").

-record(upload, {?CTRL_BASE(element_upload), name, value, post_write, img_tool, post_target }).

render_element(#upload{id=Id} = R) ->
  Uid = case Id of undefined -> wf:temp_id(); I -> I end,
  Uel = R#upload{id=Uid},
  wire(Uel), render(Uel).

render(#upload{id=Id} = R) ->
  [wf_tags:emit_tag(<<"input">>, [], [
    {<<"id">>, Id},
    {<<"type">>, <<"file">>},
    {<<"class">>, R#upload.class},
    {<<"style">>, <<"display:none">>},
    {<<"name">>, R#upload.name} ])].

wire(#upload{id=Id}=R) ->
  JsS = wf:json([{value, R#upload.value}]),
  error_logger:info_msg("wire option:~p", [JsS]),
  wf:wire(wf:f("Upload('#~s',~s);", [Id, JsS])).