ValueBondFormState extension

Extension methods for BondFormState providing convenience operations.

The ValueBondFormState extension adds methods to BondFormState to simplify retrieving values from form fields. It also includes a method to ensure required field values are not null.

Example usage:

// Retrieve a potentially null value from a text field.
final phoneNumber = state.textFieldValue('phoneNumber');

// Retrieve a non-null value from a required text field.
final requiredPhoneNumber = state.required().textFieldValue('phoneNumber');

Methods:

• textFieldValue Retrieves the value of a text field.
• radioGroupValue Retrieves the value of a radio group field.
• checkboxSelected Checks if a specific value is selected within a checkbox group.
• checkboxValues Retrieves the selected values of a checkbox group.
• checkboxValue Retrieves the value of a checkbox field.
• checkboxGroupValue Retrieves the first selected value of a checkbox group.
• dateFieldValue Retrieves the value of a date field.
• dropDownValue Retrieves the value of a dropdown field.
• asyncDropDownValue Retrieves the value of an async dropdown field.
• hiddenFieldValue Retrieves the value of a hidden field.
• fileFieldValue Retrieves the value of a file field.
• required Retrieves the RequiredValues extension for the current form state.

on

• BondFormState<dynamic, Error>

Methods

asyncDropDownValue<T>(String fieldName) → T

Retrieves the selected value of the async dropdown field for a specified fieldName.

checkboxGroupValue<T>(String fieldName) → T?

Retrieves the first selected value of a checkbox group for a specified fieldName.

checkboxSelected<T>(String fieldName, T value) → bool

Checks if a specific value is selected within a checkbox group.

checkboxValue<T>(String fieldName) → bool

Retrieves the value of a checkbox field for a specified fieldName.

checkboxValues<T>(String fieldName) → Set<T>

Retrieves the selected values of a checkbox group for a specified fieldName.

dateFieldValue(String fieldName) → DateTime?

Retrieves the value of a date field for a specified fieldName.

dropDownValue<T>(String fieldName) → T

Retrieves the selected value of the dropdown field for a specified fieldName.

fileFieldValue(String fieldName) → File?

Retrieves the value of a file field for a specified fieldName.

hiddenFieldValue<T>(String fieldName) → T

Retrieves the value of a hidden field for a specified fieldName.

radioGroupValue<T>(String fieldName) → T

Retrieves the value of a RadioGroupFieldState for a specified fieldName.

required() → RequiredValues

Retrieves the RequiredValues extension for the current form state.

textFieldValue(String fieldName) → String?

Retrieves the value of a text field for a specified fieldName.