2011-02-18 19:17:44 +00:00
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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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*
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2011-04-24 12:59:46 +01:00
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* (c) Fabien Potencier <fabien@symfony.com>
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2011-02-18 19:17:44 +00:00
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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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2011-04-07 08:57:44 +01:00
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namespace Symfony\Component\Form;
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2011-02-18 19:17:44 +00:00
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2012-04-13 13:11:09 +01:00
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use ArrayAccess;
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use IteratorAggregate;
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use Countable;
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/**
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class FormView implements ArrayAccess, IteratorAggregate, Countable
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2011-02-18 19:17:44 +00:00
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{
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2012-04-13 13:11:09 +01:00
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private $name;
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2011-04-02 13:14:18 +01:00
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private $vars = array(
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'value' => null,
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2011-05-10 14:32:14 +01:00
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'attr' => array(),
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2011-04-02 13:14:18 +01:00
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);
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2011-02-18 19:17:44 +00:00
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2011-04-07 08:57:44 +01:00
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private $parent;
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private $children = array();
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2011-03-19 13:31:25 +00:00
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/**
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2011-03-21 19:56:33 +00:00
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* Is the form attached to this renderer rendered?
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2011-03-19 13:31:25 +00:00
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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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2011-03-24 13:27:21 +00:00
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* @var Boolean
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2011-03-19 13:31:25 +00:00
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*/
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2011-02-28 16:01:11 +00:00
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private $rendered = false;
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2012-04-13 13:11:09 +01:00
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public function __construct($name)
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{
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$this->name = $name;
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}
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public function getName()
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{
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return $this->name;
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}
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2011-04-14 16:59:41 +01:00
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/**
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* @param string $name
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* @param mixed $value
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2011-05-13 10:00:39 +01:00
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*
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* @return FormView The current view
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2011-04-14 16:59:41 +01:00
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*/
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public function set($name, $value)
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2011-02-18 19:17:44 +00:00
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{
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2011-03-24 21:20:54 +00:00
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$this->vars[$name] = $value;
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2011-05-13 10:00:39 +01:00
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return $this;
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2011-02-18 19:17:44 +00:00
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}
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2011-04-14 16:59:41 +01:00
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/**
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* @param $name
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2011-12-13 07:50:54 +00:00
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*
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2011-04-14 16:59:41 +01:00
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* @return Boolean
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*/
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public function has($name)
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2011-02-25 00:11:53 +00:00
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{
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return array_key_exists($name, $this->vars);
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}
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2011-04-14 16:59:41 +01:00
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/**
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* @param $name
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* @param $default
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2011-05-10 14:32:14 +01:00
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*
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2011-04-14 16:59:41 +01:00
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* @return mixed
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*/
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public function get($name, $default = null)
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2011-02-19 12:46:32 +00:00
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{
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2011-04-14 16:59:41 +01:00
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if (false === $this->has($name)) {
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return $default;
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2011-03-24 21:08:08 +00:00
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}
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2011-03-26 15:03:09 +00:00
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return $this->vars[$name];
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2011-02-19 12:46:32 +00:00
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}
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2011-04-14 16:59:41 +01:00
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/**
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* @return array
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*/
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public function all()
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2011-02-28 15:50:23 +00:00
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{
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return $this->vars;
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}
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2011-04-14 16:59:41 +01:00
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/**
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* Alias of all so it is possible to do `form.vars.foo`
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*
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* @return array
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*/
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public function getVars()
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{
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return $this->all();
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}
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2011-05-10 14:32:14 +01:00
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/**
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* Sets the value for an attribute.
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*
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* @param string $name The name of the attribute
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* @param string $value The value
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2011-05-13 10:00:39 +01:00
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*
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* @return FormView The current view
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2011-05-10 14:32:14 +01:00
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*/
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2011-04-07 08:57:44 +01:00
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public function setAttribute($name, $value)
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2011-02-18 19:17:44 +00:00
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{
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2011-04-07 08:57:44 +01:00
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$this->vars['attr'][$name] = $value;
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2011-05-13 10:00:39 +01:00
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return $this;
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2011-02-18 19:17:44 +00:00
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}
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2011-05-10 14:32:14 +01:00
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/**
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* Returns whether the attached form is rendered.
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*
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* @return Boolean Whether the form is rendered
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*/
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2011-04-07 08:57:44 +01:00
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public function isRendered()
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2011-02-18 19:17:44 +00:00
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{
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2011-06-09 16:33:42 +01:00
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$hasChildren = 0 < count($this->children);
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if (true === $this->rendered || !$hasChildren) {
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2011-06-06 11:31:30 +01:00
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return $this->rendered;
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}
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2011-06-09 16:33:42 +01:00
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if ($hasChildren) {
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2011-06-06 11:31:30 +01:00
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foreach ($this->children as $child) {
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if (!$child->isRendered()) {
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return false;
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}
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}
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return $this->rendered = true;
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}
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2011-06-09 16:33:42 +01:00
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return false;
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2011-02-18 19:17:44 +00:00
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}
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2011-05-10 14:32:14 +01:00
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/**
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* Marks the attached form as rendered
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2011-05-13 10:00:39 +01:00
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*
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* @return FormView The current view
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2011-05-10 14:32:14 +01:00
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*/
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2011-04-07 08:57:44 +01:00
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public function setRendered()
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2011-02-18 19:17:44 +00:00
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{
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2011-03-19 13:31:25 +00:00
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$this->rendered = true;
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2011-05-13 10:00:39 +01:00
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return $this;
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2011-02-18 19:17:44 +00:00
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}
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2011-05-10 14:32:14 +01:00
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/**
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* Sets the parent view.
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*
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* @param FormView $parent The parent view
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2011-05-13 10:00:39 +01:00
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*
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* @return FormView The current view
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2011-05-10 14:32:14 +01:00
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*/
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2011-05-11 22:11:43 +01:00
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public function setParent(FormView $parent = null)
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2011-03-27 22:43:14 +01:00
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{
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2011-04-07 08:57:44 +01:00
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$this->parent = $parent;
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2011-05-13 10:00:39 +01:00
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return $this;
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2011-03-27 22:43:14 +01:00
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}
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2011-05-10 14:32:14 +01:00
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/**
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* Returns the parent view.
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*
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* @return FormView The parent view
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*/
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2011-03-24 21:20:54 +00:00
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public function getParent()
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{
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return $this->parent;
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}
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2011-05-10 14:32:14 +01:00
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/**
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2011-05-29 15:19:02 +01:00
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* Returns whether this view has a parent.
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2011-05-10 14:32:14 +01:00
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*
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* @return Boolean Whether this view has a parent
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*/
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2011-03-26 15:03:09 +00:00
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public function hasParent()
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{
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return null !== $this->parent;
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}
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2011-05-10 14:32:14 +01:00
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/**
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2012-04-13 13:11:09 +01:00
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* Adds a child view.
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2011-05-10 14:32:14 +01:00
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*
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2012-04-13 13:11:09 +01:00
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* @param FormView $child The child view to add.
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2011-05-13 10:00:39 +01:00
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*
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* @return FormView The current view
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2011-05-10 14:32:14 +01:00
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*/
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2012-04-13 13:11:09 +01:00
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public function addChild(FormView $child)
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2011-04-07 08:57:44 +01:00
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{
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2012-04-13 13:11:09 +01:00
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$this->children[$child->getName()] = $child;
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return $this;
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}
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/**
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* Removes a child view.
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*
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* @param string $name The name of the removed child view.
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*
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* @return FormView The current view
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*/
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public function removeChild($name)
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{
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unset($this->children[$name]);
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2011-05-13 10:00:39 +01:00
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return $this;
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2011-04-07 08:57:44 +01:00
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}
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2011-05-10 14:32:14 +01:00
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/**
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* Returns the children.
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*
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* @return array The children as instances of FormView
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*/
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2011-03-24 21:20:54 +00:00
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public function getChildren()
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{
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return $this->children;
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}
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2011-05-30 13:57:33 +01:00
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/**
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* Returns a given child.
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*
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2011-12-13 07:50:54 +00:00
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* @param string $name The name of the child
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2011-05-30 13:57:33 +01:00
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*
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* @return FormView The child view
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*/
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public function getChild($name)
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{
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return $this->children[$name];
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}
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2011-05-10 14:32:14 +01:00
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/**
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2011-05-29 15:19:02 +01:00
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* Returns whether this view has children.
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2011-05-10 14:32:14 +01:00
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*
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* @return Boolean Whether this view has children
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*/
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2011-03-26 15:03:09 +00:00
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public function hasChildren()
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{
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return count($this->children) > 0;
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}
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2012-04-13 13:11:09 +01:00
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/**
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* Returns whether this view has a given child.
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*
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* @param string $name The name of the child
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*
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* @return Boolean Whether the child with the given name exists
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*/
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public function hasChild($name)
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{
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return isset($this->children[$name]);
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}
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2011-05-10 14:32:14 +01:00
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/**
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* Returns a child by name (implements \ArrayAccess).
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*
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* @param string $name The child name
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*
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* @return FormView The child view
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*/
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2011-03-02 21:56:20 +00:00
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public function offsetGet($name)
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{
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2011-05-30 13:57:33 +01:00
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return $this->getChild($name);
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2011-03-02 21:56:20 +00:00
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}
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2011-03-24 22:54:56 +00:00
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2011-05-10 14:32:14 +01:00
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/**
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* Returns whether the given child exists (implements \ArrayAccess).
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*
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* @param string $name The child name
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*
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* @return Boolean Whether the child view exists
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*/
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2011-03-02 21:56:20 +00:00
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public function offsetExists($name)
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{
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2011-03-26 15:03:09 +00:00
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return isset($this->children[$name]);
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2011-03-02 21:56:20 +00:00
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}
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2011-03-24 22:54:56 +00:00
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2011-05-10 14:32:14 +01:00
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/**
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* Implements \ArrayAccess.
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*
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* @throws \BadMethodCallException always as setting a child by name is not allowed
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*/
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2011-03-02 21:56:20 +00:00
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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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2011-03-24 22:54:56 +00:00
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2011-05-10 14:32:14 +01:00
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/**
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* Removes a child (implements \ArrayAccess).
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*
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* @param string $name The child name
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*/
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2011-03-02 21:56:20 +00:00
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public function offsetUnset($name)
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{
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2011-05-04 17:21:49 +01:00
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unset($this->children[$name]);
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2011-03-02 21:56:20 +00:00
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}
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2011-03-26 11:25:47 +00:00
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2011-05-10 14:32:14 +01:00
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/**
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* Returns an iterator to iterate over children (implements \IteratorAggregate)
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*
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* @return \ArrayIterator The iterator
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*/
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2011-03-26 11:25:47 +00:00
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public function getIterator()
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{
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2011-05-09 16:53:18 +01:00
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return new \ArrayIterator($this->children);
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2011-03-26 11:25:47 +00:00
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}
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2011-04-02 13:14:18 +01:00
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2011-04-16 12:54:31 +01:00
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/**
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2011-05-10 14:32:14 +01:00
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* Implements \Countable.
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*
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* @return integer The number of children views
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2011-04-16 12:54:31 +01:00
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*/
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public function count()
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{
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return count($this->children);
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}
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2011-03-24 21:08:08 +00:00
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}
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