/**
* Build XHTML for a form control.
*
* \param $control
* An AnewtFormControl instance.
*/
protected function _build_form_control_node($control)
{
$control_div = ax_div_class(null, 'form-control');
$control_div->append_child($this->_build_description_node($control));
$control_div->append_child($this->_build_error_node($control));
/* Label and the widget itself are combined. Buttons do not have
* explicit labels, since the label text is on the button itself. */
$widget = $control->build_widget();
$label_text = $control->_get('label');
if (is_null($label_text) || $control instanceof AnewtFormControlButton) {
/* No label (none set or this is a button) */
$control_div->append_child($widget);
} else {
/* This control has a label */
assert('is_string($label_text) || $label_text instanceof AnewtXMLDomNode');
$label = new AnewtXHTMLLabel($label_text, array('class' => 'form-control'));
/* Some composite widgets support allow the 'for=' attribute to be
* filled in, even though they consist of multiple html widgets. */
if ($control->get('composite')) {
$composite_for = $control->get('composite-for');
if (!is_null($composite_for)) {
$label->set_attribute('for', $composite_for);
}
} else {
$label->set_attribute('for', $control->get('id'));
}
/* Help text */
$help = $control->_get('help');
if (!is_null($help)) {
$help_text = to_string($help);
$label->set_attribute('title', $help_text);
$label->add_class('with-help');
}
$control_div->append_child($label);
$control_div->append_child($widget);
unset($label);
}
unset($widget);
return $control_div;
}
function build_widget()
{
$value = $this->_get('value');
if (is_null($value)) {
$value = "";
}
assert('is_string($value); // only plain strings can be used as field value: type: ' . gettype($value));
$name = $this->get('name');
$widgets = array();
if ($this->get('show-img-preview') && $value) {
$widgets[] = ax_div_class(ax_img_src($this->get('preview-dir') . $value), 'preview');
} elseif ($this->get('show-link-preview') && $value) {
$widgets[] = ax_div_class(ax_a_href($value, $this->get('preview-dir') . $value), 'preview');
}
$remove_label = $this->_get('remove-label');
if ($remove_label && $value) {
$subattr = array('type' => 'checkbox', 'name' => $name . '-remove');
$widgets[] = new AnewtXHTMLInput(null, $subattr);
$subattr = array('for' => $name . '-remove');
$widgets[] = new AnewtXHTMLLabel($remove_label, $subattr);
$widgets[] = ax_br();
}
/* XML tag attributes used both for single line and multiline */
$attr = array('name' => $this->get('name'), 'id' => $this->get('id'), 'type' => 'file');
if ($this->_get('readonly')) {
$attr['readonly'] = 'readonly';
}
if ($this->_get('disabled')) {
$attr['disabled'] = 'disabled';
}
$size = $this->_get('size');
if (!is_null($size)) {
assert('is_int($size);');
$attr['size'] = (string) $size;
}
$maxlength = $this->_get('maxlength');
if (!is_null($maxlength)) {
assert('is_int($maxlength);');
$attr['maxlength'] = (string) $maxlength;
}
$max_file_size = $this->_get('max_file_size');
if (!is_null($max_file_size)) {
$subattr = array('type' => 'hidden', 'name' => 'MAX_FILE_SIZE', 'value' => (string) $max_file_size);
$widgets[] = new AnewtXHMTLInput(null, $subattr);
}
$widget = new AnewtXHTMLInput(null, $attr);
/* Styling */
$widget->add_class('fileupload');
if (!$this->_get('required')) {
$widget->add_class('optional');
}
/* Optional extra class value */
$class = $this->_get('class');
if (!is_null($class)) {
$widget->add_class($class);
}
/* Help text, if any */
$help = $this->_get('help');
if (!is_null($help)) {
$help_text = to_string($help);
$widget->set_attribute('title', $help_text);
$widget->add_class('with-help');
}
$widgets[] = $widget;
/* Add secondary label, if any */
$secondary_label = $this->_get('secondary-label');
if (!is_null($secondary_label)) {
$widgets[] = $secondary_label;
}
$out = ax_fragment($widgets);
return $out;
}