/**
* Method to get the field input markup for a combo box field.
*
* @return string The field input markup.
*/
protected function getInput()
{
// Initialize variables.
$html = array();
$attr = '';
// Initialize some field attributes.
$attr .= $this->element['class'] ? ' class="combobox ' . (string) $this->element['class'] . '"' : ' class="combobox"';
$attr .= (string) $this->element['readonly'] == 'true' ? ' readonly="readonly"' : '';
$attr .= (string) $this->element['disabled'] == 'true' ? ' disabled="disabled"' : '';
$attr .= $this->element['size'] ? ' size="' . (int) $this->element['size'] . '"' : '';
// Initialize JavaScript field attributes.
$attr .= $this->element['onchange'] ? ' onchange="' . (string) $this->element['onchange'] . '"' : '';
// Get the field options.
$options = $this->getOptions();
// Load the combobox behavior.
Behavior::combobox();
// Build the input for the combo box.
$html[] = '<input type="text" name="' . $this->name . '" id="' . $this->id . '"' . ' value="' . htmlspecialchars($this->value, ENT_COMPAT, 'UTF-8') . '"' . $attr . '/>';
// Build the list for the combo box.
$html[] = '<ul id="combobox-' . $this->id . '" style="display:none;">';
foreach ($options as $option) {
$html[] = '<li>' . $option->text . '</li>';
}
$html[] = '</ul>';
return implode($html);
}
