Structure
DSMinMaxValidationRule
public struct DSMinMaxValidationRule: DSValidationRule A validation rule for requiring that text is a number and is between a min and max value. (Inclusive.)
Relationships
Conforms To
DSValidationRuleA validation framework for defining how text entered into a DSTextField can be validated and an appropriate error message provided if that validation fails. Multiple DSValidationRule objects can stack to perform multiple validations including the special DSRequiredTextValidationRule which is the only built-in rule validates empty fields.
Initializers
init(min:max:message:)
public init(min: Int, max: Int, message: String) Initializes the validation rule.
Parameters
| Name | Type | Description |
|---|---|---|
| min | Int |
The smallest number allowed for the field. (Inclusive) |
| max | Int |
The largest number allowed for the field. (Inclusive) |
| message | String |
Error message to display if validator fails. Should include two %@ formatters for min and max. |
Properties
errorMessage
public var errorMessage: String The error message to be displayed when validation fails.
Methods
isValid(_:)
public func isValid(_ text: String) -> Bool Valid if the number is between the min and max numbers provided. Valid if empty.