FormElement class abstract

A node of the form's control tree: the form itself, a group, a repeat or a question.

Port of org.javarosa.core.model.IFormElement (and its shared state). Form elements are built by the XForm parser and then read by the engine.

Implemented types

Implementers

Constructors

actionController → ActionController: Actions registered on this element, by event.
final
additionalAttributes → List<TreeElement>: Attributes of the control element not handled by the parser, kept verbatim (e.g. rows, odk:tag).
final
appearance ↔ String?: The appearance attribute.
getter/setter pair
bind ↔ TreeReference?: The absolute reference this element is bound to (null for a trigger without ref).
getter/setter pair
children → List<FormElement>: Child elements (empty for questions).
no setter
deepChildCount → int: Number of questions at or below this element.
no setter
hashCode → int: The hash code for this object.
no setterinherited
id ↔ int: A form-wide unique id assigned by the parser.
getter/setter pair
labelInnerText ↔ String?: Literal label text (when not localized).
getter/setter pair
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
textId ↔ String?: The itext id of the label. A ;form suffix is stripped, as in JavaRosa.
getter/setter pair

addChild(FormElement child) → void: Adds child. Throws for questions.
additionalAttribute(String? namespace, String name) → String?: The value of additional attribute name in namespace, if present.
addListener(FormElementListener listener) → void: Registers listener (once).
childAt(int i) → FormElement?: The child at i, or null if out of range.
localeChanged(String locale, Localizer localizer) → void: Called when the current locale of localizer becomes locale.
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners(int changes) → void: Notifies listeners of changes.
removeListener(FormElementListener listener) → void: Unregisters listener.
setAdditionalAttribute(String? namespace, String name, String? value) → void: Sets, adds or removes (with a null value) an additional attribute.
toString() → String: A string representation of this object.
inherited