boolean beginRender(MarkupWriter writer) {
final Field field = this.field;
decorator.beforeLabel(field);
labelElement = writer.element("label");
resources.renderInformalParameters(writer);
// Since we don't know if the field has rendered yet, we need to defer writing the for and id
// attributes until we know the field has rendered (and set its clientId property). That's
// exactly what Heartbeat is for.
Runnable command =
new Runnable() {
public void run() {
String fieldId = field.getClientId();
labelElement.forceAttributes("for", fieldId, "id", fieldId + ":label");
decorator.insideLabel(field, labelElement);
}
};
heartbeat.defer(command);
return !ignoreBody;
}
