/**
* Build the form element.
*/
protected function build_form_element()
{
/* FIXME: Form id's should be unique, even if a form is rendered twice.
* Perhaps a global cache of used form id's should be kept, and '-2'
* suffixes added as needed? */
assert('$this->_form instanceof AnewtForm; // Form renderer must have a AnewtForm instance');
/* Default attributes */
$id = $this->_form->_get('id');
$attributes = array('method' => $this->_form->get('method-as-string'), 'action' => $this->_form->_get('action'), 'id' => $id);
/* Encoding type */
if ($this->_form->_contains_file_upload_control()) {
$attributes['enctype'] = 'multipart/form-data';
}
/* Class name */
if ($this->_form->_isset('class')) {
$attributes['class'] = $this->_form->_get('class');
}
/* Output <form> element with all hidden elements */
$form = new AnewtXHTMLForm(null, $attributes);
/* The HTML DTD does not allow <input> elements as direct childs of
* a <form> element. Use a <fieldset> that is completely hidden from
* view instead. */
$hidden_controls_fieldset = new AnewtXHTMLFieldset();
$hidden_controls_fieldset->set_attribute('style', 'display: none;');
foreach ($this->_form->_hidden_controls() as $hidden_control) {
$hidden_controls_fieldset->append_child($hidden_control->build_widget());
}
$form->append_child($hidden_controls_fieldset);
return $form;
}
/**
* Build XHTML for a fieldset
*
* \param $fieldset
* An AnewtFormFieldset instance.
*/
protected function _build_fieldset_node($fieldset)
{
$fieldset_node = new AnewtXHTMLFieldset();
$id = $fieldset->_get('id');
if (!is_null($id)) {
$fieldset_node->set_attribute('id', $id);
}
$class = $fieldset->_get('class');
if (!is_null($class)) {
$fieldset_node->set_attribute('class', $class);
}
$label = $fieldset->_get('label');
if (!is_null($label)) {
$legend_node = new AnewtXHTMLLegend();
$legend_node->append_child($label);
$fieldset_node->append_child($legend_node);
}
$fieldset_node->append_child($this->_build_description_node($fieldset));
$fieldset_node->append_child($this->_build_error_node($fieldset));
foreach (array_keys($fieldset->_children) as $key) {
$fieldset_node->append_child($this->_build_child_node($fieldset->_children[$key]));
}
return $fieldset_node;
}