public function show()
 {
     $val = '';
     if (parent::get_value()) {
         $val = 'checked="checked';
     }
     print '<p><input type="checkbox" name="' . parent::get_name() . '" ' . $val . '" ' . parent::get_required() . ' ' . parent::get_readonly() . ' ' . parent::get_disabled() . ' ' . parent::get_parameters() . ' />' . parent::get_label() . '</p>';
 }
 public function show()
 {
     print '<label>' . parent::get_label() . '</label>';
     print '<select name="' . parent::get_name() . '" class="campo campo-entrada">';
     foreach ($this->options as $key => $value) {
         print '<option value="' . $key . '"' . ($this->selected[$key] ? ' selected="selected"' : '') . '>' . $value . '</option>';
     }
     print '</select>';
 }
 public function show()
 {
     print '<input type="hidden" name="' . parent::get_name() . '" value="' . parent::get_value() . '" />';
 }
 public function show()
 {
     print '<label>' . parent::get_label() . '</label>';
     print '<textarea name="' . parent::get_name() . '" class="campo campo-texto-grande ui-widget-content ui-corner-all" ' . parent::get_required() . ' ' . parent::get_readonly() . '>' . $this->text . '</textarea>';
 }