Add validator to a Shiny input.

Use to create shiny input tags with validation. This should only be used in ShinyForm constructor.

validatedInput(tag, helpText = NULL, validators = c())

Arguments

tag	Tag to be modified.
helpText	Tooltip text. If NULL, no tooltip will be added.
validators	A vector of `Validator` objects.

Value

A modified shiny input tag with attached validators and an optional tooltip div.

Details

The Shiny tag receives an additional attribute `validators` which is a vector of `Validator` objects.

Examples

shinyreforms::validatedInput(
  shiny::textInput("text_input", label = "Username"),
  helpText = "Username must have length between 4 and 12 characters.",
  validators = c(
    shinyreforms::ValidatorMinLength(4),
    shinyreforms::ValidatorMaxLength(12)
  )
)
#> <div class="form-group shiny-input-container">
#>   <label class="control-label" for="text_input">
#>     Username
#>     <div class="shinyreforms-tooltip">
#>       <i class="glyphicon glyphicon-question-sign"></i>
#>       <div class="shinyreforms-tooltip-text">Username must have length between 4 and 12 characters.</div>
#>     </div>
#>   </label>
#>   <input id="text_input" type="text" class="form-control" value=""/>
#>   <div id="text_input-shinyreforms-validation" class="shiny-text-output text-danger"></div>
#> </div>