File input button

File input but with only the button.

Usage

fileButtonInput(
  inputId,
  label,
  multiple = FALSE,
  accept = NULL,
  width = NULL,
  buttonLabel = "Browse...",
  placeholder = "No file selected"
)

Arguments

inputId

The input slot that will be used to access the value.

label

Display label for the control, or NULL for no label.

multiple

Whether the user should be allowed to select and upload multiple files at once. Does not work on older browsers, including Internet Explorer 9 and earlier.

accept

A character vector of "unique file type specifiers" which gives the browser a hint as to the type of file the server expects. Many browsers use this prevent the user from selecting an invalid file.

A unique file type specifier can be:

• A case insensitive extension like .csv or .rds.

• A valid MIME type, like text/plain or application/pdf

• One of audio/*, video/*, or image/* meaning any audio, video, or image type, respectively.

width

The width of the input, e.g. '400px', or '100%'; see validateCssUnit().

buttonLabel

The label used on the button. Can be text or an HTML tag object.

placeholder

The text to show before a file has been uploaded.

Value

Button for file input.

Examples

fileButtonInput(
  "restore",
  label = NULL,
  buttonLabel = "Restore",
  multiple = FALSE,
  accept = ".rds",
  width = "50%"
)
#> <div style="display: inline-block; width: 10rem; margin-bottom: -2rem; margin-right: -3px;">
#>   <div class="form-group shiny-input-container" style="width: 50%;">
#>     <label class="control-label shiny-label-null" for="restore" id="restore-label"></label>
#>     <div class="input-group" style="width: 10rem;">
#>       <label class="input-group-prepend">
#>         <span class="btn btn-outline-primary">
#>           <i class="fa fa-upload"></i>
#>           Restore
#>           <input id="restore" name="restore" type="file" style="display: none;" accept=".rds"/>
#>         </span>
#>       </label>
#>     </div>
#>   </div>
#> </div>