Struct MultipleChoiceField 

pub struct MultipleChoiceField {
    pub name: String,
    pub label: Option<String>,
    pub required: bool,
    pub help_text: Option<String>,
    pub widget: Widget,
    pub initial: Option<Value>,
    pub choices: Vec<(String, String)>,
}

MultipleChoiceField for selecting multiple choices

Fields

name: String

The field name used as the form data key.

label: Option<String>

Optional human-readable label for display.

required: bool

Whether at least one selection is required.

help_text: Option<String>

Optional help text displayed alongside the field.

widget: Widget

The widget type used for rendering this field.

initial: Option<Value>

Optional initial (default) value for the field.

choices: Vec<(String, String)>

Available choices as (value, display_label) pairs.

Implementations

impl MultipleChoiceField

pub fn new(name: String, choices: Vec<(String, String)>) -> Self

Creates a new MultipleChoiceField with the given name and choices.

Trait Implementations

impl Clone for MultipleChoiceField

fn clone(&self) -> MultipleChoiceField

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MultipleChoiceField

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FormField for MultipleChoiceField

fn name(&self) -> &str

Returns the field’s name used as the form data key.

fn label(&self) -> Option<&str>

Returns the human-readable label, if set.

fn required(&self) -> bool

Returns whether this field must have a non-empty value.

fn help_text(&self) -> Option<&str>

Returns optional help text displayed alongside the field.

fn widget(&self) -> &Widget

Returns the widget type used for HTML rendering.

fn initial(&self) -> Option<&Value>

Returns the initial (default) value for this field, if any.

fn clean(&self, value: Option<&Value>) -> FieldResult<Value>

Validates and cleans the submitted value, returning the cleaned result.

fn has_changed(&self, initial: Option<&Value>, data: Option<&Value>) -> bool

Check if the field value has changed from its initial value

fn error_messages(&self) -> HashMap<ErrorType, String>

Get custom error messages for this field