1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette\ComponentModel;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * Implementation of \ArrayAccess for IContainer.
15:  */
16: trait ArrayAccess
17: {
18:     /**
19:      * Adds the component to the container.
20:      * @param  string|int  $name
21:      * @param  IComponent  $component
22:      * @return void
23:      */
24:     public function offsetSet($name, $component)
25:     {
26:         $this->addComponent($component, $name);
27:     }
28: 
29: 
30:     /**
31:      * Returns component specified by name. Throws exception if component doesn't exist.
32:      * @param  string|int  $name
33:      * @return IComponent
34:      * @throws Nette\InvalidArgumentException
35:      */
36:     public function offsetGet($name)
37:     {
38:         return $this->getComponent($name);
39:     }
40: 
41: 
42:     /**
43:      * Does component specified by name exists?
44:      * @param  string|int  $name
45:      * @return bool
46:      */
47:     public function offsetExists($name)
48:     {
49:         return $this->getComponent($name, false) !== null;
50:     }
51: 
52: 
53:     /**
54:      * Removes component from the container.
55:      * @param  string|int  $name
56:      * @return void
57:      */
58:     public function offsetUnset($name)
59:     {
60:         if ($component = $this->getComponent($name, false)) {
61:             $this->removeComponent($component);
62:         }
63:     }
64: }
65: