|
1
|
|
|
<?php |
|
2
|
|
|
namespace Http\Html; |
|
3
|
|
|
|
|
4
|
|
|
use \Psr\Http\Message\ServerRequestInterface as Request; |
|
5
|
|
|
use \Psr\Http\Message\ResponseInterface as Response; |
|
6
|
|
|
|
|
7
|
|
|
require 'vendor/autoload.php'; |
|
8
|
|
|
|
|
9
|
|
|
class WebPage |
|
10
|
|
|
{ |
|
11
|
|
|
/** The webpage title */ |
|
12
|
|
|
public $title; |
|
13
|
|
|
/** An array of tags to be added to the HTML head section */ |
|
14
|
|
|
protected $headTags; |
|
15
|
|
|
/** A string represnting the body of the page */ |
|
16
|
|
|
public $body; |
|
17
|
|
|
/** A string to add to the body open tag */ |
|
18
|
|
|
public $body_tags; |
|
19
|
|
|
|
|
20
|
|
|
protected $request = null; |
|
21
|
|
|
|
|
22
|
|
|
public function __construct($title = '') |
|
23
|
|
|
{ |
|
24
|
|
|
$this->title = $title; |
|
25
|
|
|
$this->headTags = array(); |
|
26
|
|
|
} |
|
27
|
|
|
|
|
28
|
|
|
public function handleRequest($request, $response, $args) |
|
|
|
|
|
|
29
|
|
|
{ |
|
30
|
|
|
$this->request = $request; |
|
31
|
|
|
$response = $this->printPage($response); |
|
32
|
|
|
return $response; |
|
33
|
|
|
} |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* Add a tag to the head element |
|
37
|
|
|
* |
|
38
|
|
|
* @param string $tag The tag to add to the page header |
|
39
|
|
|
*/ |
|
40
|
|
|
public function addHeadTag($tag) |
|
41
|
|
|
{ |
|
42
|
|
|
array_push($this->headTags, $tag); |
|
43
|
|
|
} |
|
44
|
|
|
/** |
|
45
|
|
|
* Create a tag to be added to the document |
|
46
|
|
|
* |
|
47
|
|
|
* @param string $tagName The tag's name (i.e. the string right after the open sign |
|
48
|
|
|
* @param array $attribs Attributes to be added to the tag in the form key=value |
|
49
|
|
|
* @param boolean $selfClose Does this tag end with a close (/>)? |
|
50
|
|
|
* |
|
51
|
|
|
* @return string The tag as a string |
|
52
|
|
|
*/ |
|
53
|
|
View Code Duplication |
protected function createOpenTag($tagName, $attribs = array(), $selfClose = false) |
|
|
|
|
|
|
54
|
|
|
{ |
|
55
|
|
|
$tag = '<'.$tagName; |
|
56
|
|
|
$attribNames = array_keys($attribs); |
|
57
|
|
|
foreach($attribNames as $attribName) |
|
58
|
|
|
{ |
|
59
|
|
|
$tag .= ' '.$attribName; |
|
60
|
|
|
if($attribs[$attribName]) |
|
61
|
|
|
{ |
|
62
|
|
|
$tag .= '="'.$attribs[$attribName].'"'; |
|
63
|
|
|
} |
|
64
|
|
|
} |
|
65
|
|
|
if($selfClose) |
|
66
|
|
|
{ |
|
67
|
|
|
return $tag.'/>'; |
|
68
|
|
|
} |
|
69
|
|
|
return $tag.'>'; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
/** |
|
73
|
|
|
* Create a close tag to be added to the document |
|
74
|
|
|
* |
|
75
|
|
|
* @param string $tagName The tag's name (i.e. the string right after the open sign |
|
76
|
|
|
* |
|
77
|
|
|
* @return string The close tag as a string |
|
78
|
|
|
*/ |
|
79
|
|
|
protected function createCloseTag($tagName) |
|
80
|
|
|
{ |
|
81
|
|
|
return '</'.$tagName.'>'; |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* Create a link to be added to the document |
|
86
|
|
|
* |
|
87
|
|
|
* @param string $linkName The text inside the link |
|
88
|
|
|
* @param string $linkTarget The location the link goes to |
|
89
|
|
|
* |
|
90
|
|
|
* @return string The link |
|
91
|
|
|
*/ |
|
92
|
|
|
public function createLink($linkName, $linkTarget = '#') |
|
93
|
|
|
{ |
|
94
|
|
|
$startTag = $this->createOpenTag('a', array('href'=>$linkTarget)); |
|
95
|
|
|
$endTag = $this->createCloseTag('a'); |
|
96
|
|
|
return $startTag.$linkName.$endTag; |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* Print the HTML doctype header |
|
101
|
|
|
*/ |
|
102
|
|
|
protected function printDoctype($response) |
|
103
|
|
|
{ |
|
104
|
|
|
return $response->write('<!DOCTYPE html>'); |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
/** |
|
108
|
|
|
* Print the opening HTML tag |
|
109
|
|
|
*/ |
|
110
|
|
|
protected function printOpenHtml($response) |
|
111
|
|
|
{ |
|
112
|
|
|
return $response->write('<HTML lang="en">'); |
|
113
|
|
|
} |
|
114
|
|
|
/** |
|
115
|
|
|
* Print the closing HTML tag |
|
116
|
|
|
*/ |
|
117
|
|
|
protected function printCloseHtml($response) |
|
118
|
|
|
{ |
|
119
|
|
|
return $response->write('</HTML>'); |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
/** |
|
123
|
|
|
* Print the HTML HEAD section |
|
124
|
|
|
*/ |
|
125
|
|
|
protected function printHead($response) |
|
126
|
|
|
{ |
|
127
|
|
|
$head = '<HEAD><TITLE>'.$this->title.'</TITLE>'; |
|
128
|
|
|
$head.='<meta name="viewport" content="width=device-width, initial-scale=1.0">'; |
|
129
|
|
|
foreach($this->headTags as $tag) |
|
130
|
|
|
{ |
|
131
|
|
|
$head.=$tag."\n"; |
|
132
|
|
|
} |
|
133
|
|
|
$head.='</HEAD>'; |
|
134
|
|
|
return $response->write($head); |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* Print the HTML BODY section |
|
139
|
|
|
*/ |
|
140
|
|
|
protected function printBody($response) |
|
141
|
|
|
{ |
|
142
|
|
|
return $response->write('<BODY '.$this->body_tags.'>'.$this->body.'</BODY>'); |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
|
|
protected function printPage($response) |
|
146
|
|
|
{ |
|
147
|
|
|
$response = $this->printDoctype($response); |
|
148
|
|
|
$response = $this->printOpenHtml($response); |
|
149
|
|
|
$response = $this->printHead($response); |
|
150
|
|
|
$response = $this->printBody($response); |
|
151
|
|
|
$response = $this->printCloseHtml($response); |
|
152
|
|
|
return $response; |
|
153
|
|
|
} |
|
154
|
|
|
|
|
155
|
|
|
public function getCurrentUrl() |
|
156
|
|
|
{ |
|
157
|
|
|
if($this->request === null) |
|
158
|
|
|
{ |
|
159
|
|
|
return ''; |
|
160
|
|
|
} |
|
161
|
|
|
return $this->request->getUri(); |
|
162
|
|
|
} |
|
163
|
|
|
} |
|
164
|
|
|
|
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.