239 lines
5.3 KiB
PHP
239 lines
5.3 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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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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namespace Symfony\Component\Form\Renderer;
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use Symfony\Component\Form\FormInterface;
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use Symfony\Component\Form\Renderer\Theme\FormThemeInterface;
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use Symfony\Component\Form\Renderer\Theme\FormThemeFactoryInterface;
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use Symfony\Component\Form\Renderer\Plugin\FormRendererPluginInterface;
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class ThemeRenderer implements FormRendererInterface, \ArrayAccess
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{
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private $form;
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private $block;
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private $themeFactory;
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private $theme;
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private $vars = array();
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private $changes = array();
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private $initialized = false;
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/**
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* Is the form attached to this renderer rendered?
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*
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* Rendering happens when either the widget or the row method was called.
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* Row implicitly includes widget, however certain rendering mechanisms
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* have to skip widget rendering when a row is rendered.
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*
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* @var Boolean
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*/
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private $rendered = false;
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private $children = array();
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public function __construct(FormThemeFactoryInterface $themeFactory, $template = null)
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{
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$this->themeFactory = $themeFactory;
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$this->setTemplate($template);
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}
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public function __clone()
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{
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foreach ($this->changes as $key => $change) {
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if (is_object($change)) {
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$this->changes[$key] = clone $change;
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}
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}
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}
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private function initialize()
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{
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if (!$this->initialized) {
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$this->initialized = true;
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// Make sure that plugins and set variables are applied in the
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// order they were added
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foreach ($this->changes as $key => $value) {
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if ($value instanceof FormRendererPluginInterface) {
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$value->setUp($this->form, $this);
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} else {
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$this->vars[$key] = $value;
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}
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}
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$this->changes = array();
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}
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}
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public function setForm(FormInterface $form)
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{
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$this->form = $form;
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}
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public function setChildren(array $renderers)
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{
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$this->children = $renderers;
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}
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public function setTemplate($template)
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{
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$this->setTheme($this->themeFactory->create($template));
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}
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public function setTheme(FormThemeInterface $theme)
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{
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$this->theme = $theme;
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}
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public function getTheme()
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{
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return $this->theme;
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}
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public function setBlock($block)
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{
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$this->block = $block;
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}
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public function getBlock()
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{
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return $this->block;
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}
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public function addPlugin(FormRendererPluginInterface $plugin)
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{
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$this->initialized = false;
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$this->changes[] = $plugin;
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}
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public function setVar($name, $value)
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{
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if ($this->initialized) {
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$this->vars[$name] = $value;
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} else {
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$this->changes[$name] = $value;
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}
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}
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public function setAttribute($name, $value)
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{
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// handling through $this->changes not necessary
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$this->vars['attr'][$name] = $value;
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}
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public function hasVar($name)
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{
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return array_key_exists($name, $this->vars);
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}
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public function getVar($name)
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{
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$this->initialize();
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// TODO exception handling
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if (isset($this->vars[$name])) {
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return $this->vars[$name];
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}
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return null;
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}
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public function getVars()
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{
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return $this->vars;
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}
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public function isRendered()
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{
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return $this->rendered;
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}
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public function getWidget(array $vars = array())
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{
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$this->rendered = true;
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return $this->render('widget', $vars);
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}
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public function getErrors(array $vars = array())
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{
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return $this->render('errors', $vars);
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}
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public function getRow(array $vars = array())
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{
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$this->rendered = true;
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return $this->render('row', $vars);
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}
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public function getRest(array $vars = array())
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{
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return $this->render('rest', $vars);
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}
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/**
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* Renders the label of the given form
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*
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* @param FormInterface $form The form to render the label for
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* @param array $params Additional variables passed to the block
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*/
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public function getLabel($label = null, array $vars = array())
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{
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if (null !== $label) {
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$vars['label'] = $label;
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}
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return $this->render('label', $vars);
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}
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public function getEnctype()
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{
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return $this->render('enctype', $this->vars);
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}
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protected function render($part, array $vars = array())
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{
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$this->initialize();
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return $this->theme->render($this->block, $part, array_replace(
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$this->vars,
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$vars
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));
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}
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public function offsetGet($name)
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{
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return $this->children[$name];
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}
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public function offsetExists($name)
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{
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return isset($this->children[$name]);
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}
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public function offsetSet($name, $value)
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{
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throw new \BadMethodCallException('Not supported');
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}
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public function offsetUnset($name)
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{
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throw new \BadMethodCallException('Not supported');
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}
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}
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