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<?php
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/*
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* This file is part of the symfony package.
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* sfWidgetFormSelectRadio represents radio HTML tags.
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*
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* @package symfony
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* @subpackage widget
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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* @version SVN: $Id: sfWidgetFormSelectRadio.class.php 30762 2010-08-25 12:33:33Z fabien $
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*/
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class sfWidgetFormSelectRadio extends sfWidgetFormChoiceBase
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{
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/**
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* Constructor.
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*
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* Available options:
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*
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* * choices: An array of possible choices (required)
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* * label_separator: The separator to use between the input radio and the label
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* * separator: The separator to use between each input radio
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* * class: The class to use for the main <ul> tag
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* * formatter: A callable to call to format the radio choices
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* The formatter callable receives the widget and the array of inputs as arguments
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* * template: The template to use when grouping option in groups (%group% %options%)
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*
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* @param array $options An array of options
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* @param array $attributes An array of default HTML attributes
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*
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* @see sfWidgetFormChoiceBase
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*/
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protected function configure($options = array(), $attributes = array())
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{
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parent::configure($options, $attributes);
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$this->addOption('class', 'radio_list');
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$this->addOption('label_separator', ' ');
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$this->addOption('separator', "\n");
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$this->addOption('formatter', array($this, 'formatter'));
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$this->addOption('template', '%group% %options%');
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}
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/**
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* Renders the widget.
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*
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* @param string $name The element name
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* @param string $value The value selected in this widget
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* @param array $attributes An array of HTML attributes to be merged with the default HTML attributes
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* @param array $errors An array of errors for the field
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*
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* @return string An HTML tag string
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*
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* @see sfWidgetForm
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*/
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public function render($name, $value = null, $attributes = array(), $errors = array())
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{
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if ('[]' != substr($name, -2))
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{
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$name .= '[]';
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}
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$choices = $this->getChoices();
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// with groups?
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if (count($choices) && is_array(next($choices)))
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{
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$parts = array();
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foreach ($choices as $key => $option)
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{
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$parts[] = strtr($this->getOption('template'), array('%group%' => $key, '%options%' => $this->formatChoices($name, $value, $option, $attributes)));
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}
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return implode("\n", $parts);
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}
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else
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{
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return $this->formatChoices($name, $value, $choices, $attributes);
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}
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}
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protected function formatChoices($name, $value, $choices, $attributes)
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{
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$inputs = array();
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foreach ($choices as $key => $option)
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{
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$baseAttributes = array(
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'name' => substr($name, 0, -2),
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'type' => 'radio',
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'value' => self::escapeOnce($key),
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'id' => $id = $this->generateId($name, self::escapeOnce($key)),
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);
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if (strval($key) == strval($value === false ? 0 : $value))
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{
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$baseAttributes['checked'] = 'checked';
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}
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$inputs[$id] = array(
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'input' => $this->renderTag('input', array_merge($baseAttributes, $attributes)),
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'label' => $this->renderContentTag('label', self::escapeOnce($option), array('for' => $id)),
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);
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}
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return call_user_func($this->getOption('formatter'), $this, $inputs);
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}
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public function formatter($widget, $inputs)
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{
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$rows = array();
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foreach ($inputs as $input)
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{
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$rows[] = $this->renderContentTag('li', $input['input'].$this->getOption('label_separator').$input['label']);
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}
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return !$rows ? '' : $this->renderContentTag('ul', implode($this->getOption('separator'), $rows), array('class' => $this->getOption('class')));
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}
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}
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