|
1
|
|
|
<?php |
|
2
|
|
|
namespace HtImgModule\View\Strategy; |
|
3
|
|
|
|
|
4
|
|
|
use HtImgModule\View\Model\ImageModel; |
|
5
|
|
|
use Zend\EventManager\EventManagerInterface; |
|
6
|
|
|
use Zend\EventManager\ListenerAggregateInterface; |
|
7
|
|
|
use Zend\View\ViewEvent; |
|
8
|
|
|
use Imagine\Image\ImagineInterface; |
|
9
|
|
|
use Imagine\Image\ImageInterface; |
|
10
|
|
|
use HtImgModule\Exception; |
|
11
|
|
|
use HtImgModule\View\Renderer\ImageRenderer; |
|
12
|
|
|
|
|
13
|
|
|
class ImageStrategy implements ListenerAggregateInterface |
|
14
|
|
|
{ |
|
15
|
|
|
/** |
|
16
|
|
|
* @var \Zend\Stdlib\CallbackHandler[] |
|
17
|
|
|
*/ |
|
18
|
|
|
protected $listeners = []; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @var ImagineInterface |
|
22
|
|
|
*/ |
|
23
|
|
|
protected $imagine; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* Constructor |
|
27
|
|
|
* |
|
28
|
|
|
* @param ImagineInterface $imagine |
|
29
|
|
|
*/ |
|
30
|
3 |
|
public function __construct(ImagineInterface $imagine) |
|
31
|
|
|
{ |
|
32
|
3 |
|
$this->imagine = $imagine; |
|
33
|
3 |
|
} |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* {@inheritDoc} |
|
37
|
|
|
*/ |
|
38
|
|
|
public function attach(EventManagerInterface $events, $priority = 1) |
|
39
|
|
|
{ |
|
40
|
|
|
$this->listeners[] = $events->attach(ViewEvent::EVENT_RENDERER, [$this, 'selectRenderer'], $priority); |
|
41
|
|
|
$this->listeners[] = $events->attach(ViewEvent::EVENT_RESPONSE, [$this, 'injectResponse'], $priority); |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* {@inheritDoc} |
|
46
|
|
|
*/ |
|
47
|
|
|
public function detach(EventManagerInterface $events) |
|
48
|
|
|
{ |
|
49
|
|
|
foreach ($this->listeners as $index => $listener) { |
|
50
|
|
|
if ($events->detach($listener)) { |
|
51
|
|
|
unset($this->listeners[$index]); |
|
52
|
|
|
} |
|
53
|
|
|
} |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
/** |
|
57
|
|
|
* Sets ImageRenderer as Renderer when ImageModel is used |
|
58
|
|
|
* |
|
59
|
|
|
* @param ViewEvent $e |
|
60
|
|
|
* @return ImageRenderer|null |
|
61
|
|
|
* @throws Exception\RuntimeException |
|
62
|
|
|
*/ |
|
63
|
2 |
|
public function selectRenderer(ViewEvent $e) |
|
64
|
|
|
{ |
|
65
|
2 |
|
$model = $e->getModel(); |
|
66
|
2 |
|
if ($model instanceof ImageModel) { |
|
67
|
1 |
|
if (!$model->getImage() instanceof ImageInterface) { |
|
68
|
1 |
|
if (!$model->getImagePath()) { |
|
69
|
1 |
|
throw new Exception\RuntimeException( |
|
70
|
1 |
|
'You must provide Imagine\Image\ImageInterface or path of image' |
|
71
|
|
|
); |
|
72
|
|
|
} |
|
73
|
|
|
$model->setImage($this->imagine->open($model->getImagePath())); |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
return new ImageRenderer(); |
|
77
|
|
|
} |
|
78
|
1 |
|
} |
|
79
|
|
|
|
|
80
|
|
|
/** |
|
81
|
|
|
* Sets the response based on image returned by the renderer |
|
82
|
|
|
* |
|
83
|
|
|
* @param ViewEvent $e |
|
84
|
|
|
* @return void |
|
85
|
|
|
*/ |
|
86
|
|
|
public function injectResponse(ViewEvent $e) |
|
87
|
|
|
{ |
|
88
|
|
|
$model = $e->getModel(); |
|
89
|
|
|
if ($model instanceof ImageModel) { |
|
90
|
|
|
$result = $e->getResult(); |
|
91
|
|
|
|
|
92
|
|
|
$response = $e->getResponse(); |
|
93
|
|
|
$response->setContent($result); |
|
94
|
|
|
|
|
95
|
|
|
$response->getHeaders()->addHeaderLine('Content-type', $this->getMimeType($model->getFormat())); |
|
96
|
|
|
} |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* Internal |
|
101
|
|
|
* |
|
102
|
|
|
* Get the mime type based on format. |
|
103
|
|
|
* |
|
104
|
|
|
* @param string $format |
|
105
|
|
|
* |
|
106
|
|
|
* @return string mime-type |
|
107
|
|
|
* |
|
108
|
|
|
* @throws RuntimeException |
|
109
|
|
|
*/ |
|
110
|
|
|
protected function getMimeType($format) |
|
111
|
|
|
{ |
|
112
|
|
|
static $mimeTypes = array( |
|
113
|
|
|
'jpeg' => 'image/jpeg', |
|
114
|
|
|
'jpg' => 'image/jpeg', |
|
115
|
|
|
'pjpeg' => 'image/jpeg', |
|
116
|
|
|
'gif' => 'image/gif', |
|
117
|
|
|
'png' => 'image/png', |
|
118
|
|
|
'wbmp' => 'image/vnd.wap.wbmp', |
|
119
|
|
|
'xbm' => 'image/xbm', |
|
120
|
|
|
); |
|
121
|
|
|
$format = strtolower($format); |
|
122
|
|
|
return $mimeTypes[$format]; |
|
123
|
|
|
} |
|
124
|
|
|
} |
|
125
|
|
|
|
hrevert /
HtImgModule
