diff options
Diffstat (limited to 'vendor/symfony/form/Symfony/Component/Form/FormView.php')
-rw-r--r-- | vendor/symfony/form/Symfony/Component/Form/FormView.php | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/vendor/symfony/form/Symfony/Component/Form/FormView.php b/vendor/symfony/form/Symfony/Component/Form/FormView.php new file mode 100644 index 00000000..1f53ec6a --- /dev/null +++ b/vendor/symfony/form/Symfony/Component/Form/FormView.php | |||
@@ -0,0 +1,159 @@ | |||
1 | <?php | ||
2 | |||
3 | /* | ||
4 | * This file is part of the Symfony package. | ||
5 | * | ||
6 | * (c) Fabien Potencier <fabien@symfony.com> | ||
7 | * | ||
8 | * For the full copyright and license information, please view the LICENSE | ||
9 | * file that was distributed with this source code. | ||
10 | */ | ||
11 | |||
12 | namespace Symfony\Component\Form; | ||
13 | |||
14 | use Symfony\Component\Form\Exception\BadMethodCallException; | ||
15 | |||
16 | /** | ||
17 | * @author Bernhard Schussek <bschussek@gmail.com> | ||
18 | */ | ||
19 | class FormView implements \ArrayAccess, \IteratorAggregate, \Countable | ||
20 | { | ||
21 | /** | ||
22 | * The variables assigned to this view. | ||
23 | * @var array | ||
24 | */ | ||
25 | public $vars = array( | ||
26 | 'value' => null, | ||
27 | 'attr' => array(), | ||
28 | ); | ||
29 | |||
30 | /** | ||
31 | * The parent view. | ||
32 | * @var FormView | ||
33 | */ | ||
34 | public $parent; | ||
35 | |||
36 | /** | ||
37 | * The child views. | ||
38 | * @var array | ||
39 | */ | ||
40 | public $children = array(); | ||
41 | |||
42 | /** | ||
43 | * Is the form attached to this renderer rendered? | ||
44 | * | ||
45 | * Rendering happens when either the widget or the row method was called. | ||
46 | * Row implicitly includes widget, however certain rendering mechanisms | ||
47 | * have to skip widget rendering when a row is rendered. | ||
48 | * | ||
49 | * @var Boolean | ||
50 | */ | ||
51 | private $rendered = false; | ||
52 | |||
53 | public function __construct(FormView $parent = null) | ||
54 | { | ||
55 | $this->parent = $parent; | ||
56 | } | ||
57 | |||
58 | /** | ||
59 | * Returns whether the view was already rendered. | ||
60 | * | ||
61 | * @return Boolean Whether this view's widget is rendered. | ||
62 | */ | ||
63 | public function isRendered() | ||
64 | { | ||
65 | $hasChildren = 0 < count($this->children); | ||
66 | |||
67 | if (true === $this->rendered || !$hasChildren) { | ||
68 | return $this->rendered; | ||
69 | } | ||
70 | |||
71 | if ($hasChildren) { | ||
72 | foreach ($this->children as $child) { | ||
73 | if (!$child->isRendered()) { | ||
74 | return false; | ||
75 | } | ||
76 | } | ||
77 | |||
78 | return $this->rendered = true; | ||
79 | } | ||
80 | |||
81 | return false; | ||
82 | } | ||
83 | |||
84 | /** | ||
85 | * Marks the view as rendered. | ||
86 | * | ||
87 | * @return FormView The view object. | ||
88 | */ | ||
89 | public function setRendered() | ||
90 | { | ||
91 | $this->rendered = true; | ||
92 | |||
93 | return $this; | ||
94 | } | ||
95 | |||
96 | /** | ||
97 | * Returns a child by name (implements \ArrayAccess). | ||
98 | * | ||
99 | * @param string $name The child name | ||
100 | * | ||
101 | * @return FormView The child view | ||
102 | */ | ||
103 | public function offsetGet($name) | ||
104 | { | ||
105 | return $this->children[$name]; | ||
106 | } | ||
107 | |||
108 | /** | ||
109 | * Returns whether the given child exists (implements \ArrayAccess). | ||
110 | * | ||
111 | * @param string $name The child name | ||
112 | * | ||
113 | * @return Boolean Whether the child view exists | ||
114 | */ | ||
115 | public function offsetExists($name) | ||
116 | { | ||
117 | return isset($this->children[$name]); | ||
118 | } | ||
119 | |||
120 | /** | ||
121 | * Implements \ArrayAccess. | ||
122 | * | ||
123 | * @throws BadMethodCallException always as setting a child by name is not allowed | ||
124 | */ | ||
125 | public function offsetSet($name, $value) | ||
126 | { | ||
127 | throw new BadMethodCallException('Not supported'); | ||
128 | } | ||
129 | |||
130 | /** | ||
131 | * Removes a child (implements \ArrayAccess). | ||
132 | * | ||
133 | * @param string $name The child name | ||
134 | */ | ||
135 | public function offsetUnset($name) | ||
136 | { | ||
137 | unset($this->children[$name]); | ||
138 | } | ||
139 | |||
140 | /** | ||
141 | * Returns an iterator to iterate over children (implements \IteratorAggregate) | ||
142 | * | ||
143 | * @return \ArrayIterator The iterator | ||
144 | */ | ||
145 | public function getIterator() | ||
146 | { | ||
147 | return new \ArrayIterator($this->children); | ||
148 | } | ||
149 | |||
150 | /** | ||
151 | * Implements \Countable. | ||
152 | * | ||
153 | * @return integer The number of children views | ||
154 | */ | ||
155 | public function count() | ||
156 | { | ||
157 | return count($this->children); | ||
158 | } | ||
159 | } | ||