class

ActionView::Helpers::FormHelper::FormBuilder

Inherits Reference < Object

Constants

WEEKDAYS_FROM_MONDAY = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]

Constructors

new(view : ActionView::Helpers, scope : String, model : FormModel | Nil = nil, emit_ids : Bool = false)

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Instance methods

button(content : String, **opts) : SafeString

Default caption uses I18n model names in Rails ("Update Post"); the port takes an explicit caption or a block.

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button

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check_box(attr : String | Symbol, *, checked_value : String = "1", unchecked_value : String = "0", include_hidden : Bool = true, checked : Bool | Nil = nil, **opts) : SafeString

Positional values as named args (Crystal has no positional options hash): check_box :role, checked_value: "administrator", unchecked_value: "member". include_hidden toggles the unchecked-value companion (Rails include_hidden); a hidden opt passes through to the input as a boolean attribute, as in Rails. checked: overrides the model-derived state (the port's FormValue has no enum coercion — same deviation as collection_check_boxes). Attribute order per oracle (fw_check_values*, fw_check_disabled): hidden (name, [disabled/form], type, value, autocomplete), then opts, type, value, checked, name, id.

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collection_check_boxes(attr : String | Symbol, collection : Array(FormOption), *, checked : Array(String) | Array(Int32) | Nil = nil, include_hidden : Bool = true, **html_opts) : SafeString

Hidden companion (type, name, value, autocomplete — hidden_field_tag with id nil) prepended, then checkbox + label per item with forced ids (Rails skip_default_ids = false). Checked values come from the checked: arg — FormValue has no array attributes (documented deviation from Rails' object[method] arrays).

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collection_radio_buttons(attr : String | Symbol, collection : Array(FormOption), **html_opts) : SafeString

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color_field(attr : String | Symbol, **opts) : SafeString

Invalid colors default to #000000; the value attribute is emitted BEFORE type (oracle fw_typed_text).

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date_field(attr : String | Symbol, **opts) : SafeString

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datetime_field(attr : String | Symbol, **opts) : SafeString

Rails 8.1: datetime_field renders type="datetime-local".

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datetime_local_field(attr : String | Symbol, **opts) : SafeString

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email_field(attr : String | Symbol, **opts) : SafeString

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emitted_hidden_id?

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field_id(attr : String | Symbol) : String

Public field id (sanitized), emitted even in form_with contexts where field ids are skipped (oracle ff_field_id); for scope-less builders (form_with url:) the bare attr.

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field_name(attr : String | Symbol) : SafeString

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fields_for(assoc : String | Symbol, record : FormModel | Nil = nil, *, child_index : Int32 | String | Nil = nil, include_id : Bool = true, &) : String

fields_for — nested forms (oracle: ff_nested*, ff_child_index, ff_destroy cases). Nested-attributes naming user[posts_attributes][0][title] when the parent exposes the association through FormModel#form_nested_children, with a sequential per-association index and an automatic hidden id appended AFTER the block for persisted children (Rails: emit_hidden_id); otherwise plain scope nesting (user[comment][title]).

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file_field(attr : String | Symbol, **opts) : SafeString

Opts first, no value, flips the form's multipart flag.

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hidden_field(attr : String | Symbol, **opts) : SafeString

Attribute order per oracle (ff_hidden_value, fw_fields): autocomplete, user opts (an explicit value: slots in here), type, value, name, id. load_defaults 8.2 apps drop the autocomplete via remove_hidden_field_autocomplete.

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label(attr : String | Symbol, text : String | Nil = nil, **opts) : SafeString

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label(attr : String | Symbol, **opts, &) : SafeString

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month_field(attr : String | Symbol, **opts) : SafeString

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multipart?

Set by file_field; form_with reads it after the block to emit enctype="multipart/form-data".

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number_field(attr : String | Symbol, **opts) : SafeString

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password_field(attr : String | Symbol, **opts) : SafeString

Rails PasswordField: the object's value is never echoed — value comes only from an explicit value: opt.

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radio_button(attr : String | Symbol, tag_value : String, **opts) : SafeString

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range_field(attr : String | Symbol, **opts) : SafeString

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search_field(attr : String | Symbol, **opts) : SafeString

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submit(value : String = "Save changes", **opts) : SafeString

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telephone_field(attr : String | Symbol, **opts) : SafeString

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text_area(attr : String | Symbol, **opts) : SafeString

Rails Tags::TextArea: an explicit value: opt wins over the object's attribute value; attribute order opts → name → id (oracle ff_textarea_value).

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text_field(attr : String | Symbol, **opts) : SafeString

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time_field(attr : String | Symbol, **opts) : SafeString

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url_field(attr : String | Symbol, **opts) : SafeString

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week_field(attr : String | Symbol, **opts) : SafeString

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weekday_select(attr : String | Symbol, *, selected : String | Nil = nil, multiple : Bool = false, include_hidden : Bool = true, **html_opts) : SafeString

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