* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ /** * sfWidgetFormSelectRadio represents radio HTML tags. * * @package symfony * @subpackage widget * @author Fabien Potencier * @version SVN: $Id: sfWidgetFormSelectRadio.class.php 27989 2010-02-12 21:53:20Z Kris.Wallsmith $ */ class sfWidgetFormSelectRadio extends sfWidgetForm { /** * Constructor. * * Available options: * * * choices: An array of possible choices (required) * * label_separator: The separator to use between the input radio and the label * * separator: The separator to use between each input radio * * class: The class to use for the main

tag * * formatter: A callable to call to format the radio choices * The formatter callable receives the widget and the array of inputs as arguments * * template: The template to use when grouping option in groups (%group% %options%) * * @param array $options An array of options * @param array $attributes An array of default HTML attributes * * @see sfWidgetForm */ protected function configure($options = array(), $attributes = array()) { $this->addRequiredOption('choices'); $this->addOption('class', 'radio_list'); $this->addOption('label_separator', ' '); $this->addOption('separator', "\n"); $this->addOption('formatter', array($this, 'formatter')); $this->addOption('template', '%group% %options%'); } /** * @param string $name The element name * @param string $value The value selected in this widget * @param array $attributes An array of HTML attributes to be merged with the default HTML attributes * @param array $errors An array of errors for the field * * @return string An HTML tag string * * @see sfWidgetForm */ public function render($name, $value = null, $attributes = array(), $errors = array()) { if ('[]' != substr($name, -2)) { $name .= '[]'; } $choices = $this->getOption('choices'); if ($choices instanceof sfCallable) { $choices = $choices->call(); } // with groups? if (count($choices) && is_array(next($choices))) { $parts = array(); foreach ($choices as $key => $option) { $parts[] = strtr($this->getOption('template'), array('%group%' => $key, '%options%' => $this->formatChoices($name, $value, $option, $attributes))); } return implode("\n", $parts); } else { return $this->formatChoices($name, $value, $choices, $attributes);; } } protected function formatChoices($name, $value, $choices, $attributes) { $inputs = array(); foreach ($choices as $key => $option) { $baseAttributes = array( 'name' => substr($name, 0, -2), 'type' => 'radio', 'value' => self::escapeOnce($key), 'id' => $id = $this->generateId($name, self::escapeOnce($key)), ); if (strval($key) == strval($value === false ? 0 : $value)) { $baseAttributes['checked'] = 'checked'; } $inputs[] = array( 'input' => $this->renderTag('input', array_merge($baseAttributes, $attributes)), 'label' => $this->renderContentTag('label', self::escapeOnce($option), array('for' => $id)), ); } return call_user_func($this->getOption('formatter'), $this, $inputs); } public function formatter($widget, $inputs) { $rows = array(); foreach ($inputs as $input) { $rows[] = $this->renderContentTag('li', $input['input'].$this->getOption('label_separator').$input['label']); } return $this->renderContentTag('ul', implode($this->getOption('separator'), $rows), array('class' => $this->getOption('class'))); } public function __clone() { if ($this->getOption('choices') instanceof sfCallable) { $callable = $this->getOption('choices')->getCallable(); $class = __CLASS__; if (is_array($callable) && $callable[0] instanceof $class) { $callable[0] = $this; $this->setOption('choices', new sfCallable($callable)); } } } }