jbe@56: --[[--
jbe@56: ui.field.file{
jbe@56:   ...                        -- generic ui.field.* arguments, as described for ui.autofield{...}
jbe@56: }
jbe@56: 
jbe@56: This function inserts a field for uploading a file in the active slot. For read-only forms this function does nothing. For description of the generic field helper arguments, see help for ui.autofield{...}.
jbe@56: 
jbe@56: --]]--
jbe@56: 
jbe@56: function ui.field.file(args)
jbe@56:   ui.form_element(args, nil, function(args)
jbe@56:     if args.readonly then
jbe@56:       -- nothing
jbe@56:     else
jbe@56:       if not slot.get_state_table().form_file_upload then
jbe@56:         error('Parameter "file_upload" of ui.form{...} must be set to true to allow file uploads.')
jbe@56:       end
jbe@56:       local attr = table.new(args.attr)
jbe@56:       attr.type  = "file"
jbe@56:       attr.name  = args.html_name
jbe@56:       ui.tag{ tag  = "input", attr = attr }
jbe@56:     end
jbe@56:   end)
jbe@56: end