1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace OpenMindParser\Converters\HTML; |
4
|
|
|
|
5
|
|
|
use OpenMindParser\Converters\Model\AbstractConverter; |
6
|
|
|
use OpenMindParser\Models\Document; |
7
|
|
|
use OpenMindParser\Models\Node; |
8
|
|
|
use \DOMDocument; |
9
|
|
|
use \InvalidArgumentException; |
10
|
|
|
|
11
|
|
|
/*A class to convert a document tree (object Document) in a HTML tree following few options.*/ |
12
|
|
|
class GenericHTMLConverter extends AbstractConverter |
13
|
|
|
{ |
|
|
|
|
14
|
|
|
/** |
15
|
|
|
* String MAIN_TAG_KEY : An option key name for the list of HTML tags to use. |
16
|
|
|
*/ |
17
|
|
|
const MAIN_TAG_KEY = 'tags'; |
18
|
|
|
/** |
19
|
|
|
* String TAG_KEY : An option key name for the HTML tag to use. |
20
|
|
|
*/ |
21
|
|
|
const TAG_KEY = 'tag'; |
22
|
|
|
/** |
23
|
|
|
* String ATTRIBUTES_KEY : An option key name for the HTML attributes to use on the tag. |
24
|
|
|
*/ |
25
|
|
|
const ATTRIBUTES_KEY = 'attributes'; |
26
|
|
|
/** |
27
|
|
|
* String MAIN_TAG_MERGE_STYLE : An option key name for a boolean to choose if document fonts and colors will be used in HTML rendering (true by default). |
28
|
|
|
*/ |
29
|
|
|
const MAIN_TAG_MERGE_STYLE = 'merge_style'; |
30
|
|
|
/** |
31
|
|
|
* String MAIN_TAG_MERGE_STYLE : An option key name for a boolean to choose if texts set as bold and/or italic in the document will be set as it. |
32
|
|
|
*/ |
33
|
|
|
const MAIN_TAG_MERGE_DECORATION = 'merge_decoration'; |
34
|
|
|
/** |
35
|
|
|
* String MAIN_ICON_KEY : An option key name for the icon tag to use. |
36
|
|
|
*/ |
37
|
|
|
const MAIN_ICON_KEY = 'icon'; |
38
|
|
|
/** |
39
|
|
|
* String DISPLAY_ICON_KEY : A boolean to determine if for nodes with an icon, the icon will be added in a img tag before the text. |
40
|
|
|
*/ |
41
|
|
|
const DISPLAY_ICON_KEY = 'display'; |
42
|
|
|
/** |
43
|
|
|
* String PATH_ICON_KEY : Key for options to generate the icon path. |
44
|
|
|
*/ |
45
|
|
|
const PATH_ICON_KEY = 'path'; |
46
|
|
|
/** |
47
|
|
|
* String CALLBACK_PATH_ICON_KEY : A callback to generate the icon uri as wished. |
48
|
|
|
* Its first parameter is the icon full name (with extension (i.e : 'button_ok.png')). |
49
|
|
|
* Signature : function($fullName, $options = null); |
50
|
|
|
*/ |
51
|
|
|
const CALLBACK_PATH_ICON_KEY = 'callback'; |
52
|
|
|
/** |
53
|
|
|
* String OPTIONS_PATH_ICON_KEY : An array of options given as a second parameter to the callback. |
54
|
|
|
*/ |
55
|
|
|
const OPTIONS_PATH_ICON_KEY = 'options'; |
56
|
|
|
|
57
|
|
|
/** |
58
|
|
|
* Call the conversion over the Document instance. |
59
|
|
|
* |
60
|
|
|
* @var Document $document : The document instance to convert. |
61
|
|
|
* @var Array $options : The options for the conversion. |
62
|
|
|
* It must follow this filling : |
63
|
|
|
* [ |
64
|
|
|
* MAIN_TAG_KEY => |
65
|
|
|
* [ |
66
|
|
|
* TAG_KEY => 'First wrapping HTML tag to use (ul, div, ...)', |
67
|
|
|
* ATTRIBUTES_KEY => ['attribute name (class, id, href, ...)' => 'attribute value', ...] |
68
|
|
|
* ], |
69
|
|
|
* [ |
70
|
|
|
* TAG_KEY => 'Second wrapping HTML tag to use (ul, div, ...)', |
71
|
|
|
* ATTRIBUTES_KEY => ['attribute name (class, id, href, ...)' => 'attribute value', ...] |
72
|
|
|
* ], |
73
|
|
|
* [ |
74
|
|
|
* TAG_KEY => 'Third wrapping HTML tag to use (ul, div, ...) (optionnal)', |
75
|
|
|
* ATTRIBUTES_KEY => ['attribute name (class, id, href, ...)' => 'attribute value', ...] |
76
|
|
|
* ], |
77
|
|
|
* MAIN_TAG_MERGE_STYLE => A boolean to choose if document fonts and colors will be used in HTML rendering (true by default), |
78
|
|
|
* MAIN_TAG_MERGE_DECORATION => A boolean to choose if texts set as bold and/or italic in the document will be set as it. (true by default), |
79
|
|
|
* MAIN_ICON_KEY => [ |
80
|
|
|
* DISPLAY_ICON_KEY => boolean determining if the icons must be displayed or not, |
81
|
|
|
* PATH_ICON_KEY => [ |
82
|
|
|
* 'CALLBACK_PATH_ICON_KEY' => 'the callback to use to determine uri. Its first parameter will be the file full name, and the second an optional array with additional parametrs.', |
83
|
|
|
* 'OPTIONS_PATH_ICON_KEY' => [array of options for the callback], |
84
|
|
|
* ], |
85
|
|
|
* ], |
86
|
|
|
* ]. The first two are mandatory, and the style stored in the Node instance (color, font name and font size) will be applied on the second tag). |
87
|
|
|
* |
88
|
|
|
* @return DOMDocument $domDocument : The DOMDocument instance created with the HTML. |
89
|
|
|
*/ |
90
|
|
|
protected function convertFromDocumentInstance(Document $document, array $options) { |
91
|
|
|
$domDocument = new DOMDocument(); |
92
|
|
|
|
93
|
|
|
$domDocument->appendChild($this->buildHTMLTreeFromNode($domDocument, $document->getRootNode(), $options)); |
94
|
|
|
|
95
|
|
|
return $domDocument; |
96
|
|
|
} |
97
|
|
|
|
98
|
|
|
/** |
99
|
|
|
* Perform the conversion over the Document instance. |
100
|
|
|
* Each text will be wrap in at least two HTML tags (<ul><li>, <div><span>, ...) and at most three tags (<ul><li><span>, ...). |
101
|
|
|
* The style stored in the Node instance (color, font name and font size) will be applied on the second tag and override the "style" attribute if one is given. |
102
|
|
|
* |
103
|
|
|
* @var DOMDocument $document : The document instance to convert. |
104
|
|
|
* @var Array $options : The options for the conversion. |
105
|
|
|
* It must follow this filling : |
106
|
|
|
* [ |
107
|
|
|
* MAIN_TAG_KEY => |
108
|
|
|
* [ |
109
|
|
|
* TAG_KEY => 'First wrapping HTML tag to use (ul, div, ...)', |
110
|
|
|
* ATTRIBUTES_KEY => ['attribute name (class, id, href, ...)' => 'attribute value', ...] |
111
|
|
|
* ], |
112
|
|
|
* [ |
113
|
|
|
* TAG_KEY => 'Second wrapping HTML tag to use (ul, div, ...)', |
114
|
|
|
* ATTRIBUTES_KEY => ['attribute name (class, id, href, ...)' => 'attribute value', ...] |
115
|
|
|
* ], |
116
|
|
|
* [ |
117
|
|
|
* TAG_KEY => 'Third wrapping HTML tag to use (ul, div, ...) (optionnal)', |
118
|
|
|
* ATTRIBUTES_KEY => ['attribute name (class, id, href, ...)' => 'attribute value', ...] |
119
|
|
|
* ], |
120
|
|
|
* MAIN_TAG_MERGE_STYLE => A boolean to choose if document fonts and colors will be used in HTML rendering (true by default), |
121
|
|
|
* MAIN_TAG_MERGE_DECORATION => A boolean to choose if texts set as bold and/or italic in the document will be set as it. (true by default), |
122
|
|
|
* MAIN_ICON_KEY => [ |
123
|
|
|
* DISPLAY_ICON_KEY => boolean determining if the icons must be displayed or not, |
124
|
|
|
* PATH_ICON_KEY => [ |
125
|
|
|
* 'CALLBACK_PATH_ICON_KEY' => 'the callback to use to determine uri. Its first parameter will be the file full name, and the second an optional array with additional parametrs.', |
126
|
|
|
* 'OPTIONS_PATH_ICON_KEY' => [array of options for the callback], |
127
|
|
|
* ], |
128
|
|
|
* ], |
129
|
|
|
* ]. The first two are mandatory. |
130
|
|
|
* |
131
|
|
|
* @return \DOMElement $domDocument : The DOMDocument instance created with the HTML. |
132
|
|
|
*/ |
133
|
|
|
private function buildHTMLTreeFromNode(DOMDocument $document, Node $node, array $options) { |
134
|
|
|
//Set optional values |
135
|
|
|
$this->fillOptionalOptions($options); |
136
|
|
|
|
137
|
|
|
//Create the first wrapping DOMElement. |
138
|
|
|
$domElementA = $this->buildElement($document, $options[self::MAIN_TAG_KEY][0]); |
139
|
|
|
|
140
|
|
|
//Merge font size and font family to add inside the second wrapping DOMElement. |
141
|
|
|
if($options[self::MAIN_TAG_MERGE_STYLE]) { |
142
|
|
|
$options[self::MAIN_TAG_KEY][1][self::ATTRIBUTES_KEY] = array_merge( |
143
|
|
|
$options[self::MAIN_TAG_KEY][1][self::ATTRIBUTES_KEY], |
144
|
|
|
[ |
145
|
|
|
'style' => 'color:'.$node->getColor().';'. |
146
|
|
|
($node->getFontName() ? 'font-family:'.$node->getFontName().';' : ''). |
147
|
|
|
($node->getFontSize() ? 'font-size:'.$node->getFontSize().';' : ''), |
148
|
|
|
] |
149
|
|
|
); |
150
|
|
|
} |
151
|
|
|
|
152
|
|
|
//Add the node document id to the attributes. |
153
|
|
|
$options[self::MAIN_TAG_KEY][1][self::ATTRIBUTES_KEY] = array_merge($options[self::MAIN_TAG_KEY][1][self::ATTRIBUTES_KEY], ['id' => $node->getId()]); |
154
|
|
|
|
155
|
|
|
//Create the second wrapping DOMElement whom will be append to the first one |
156
|
|
|
$domElementB = $this->buildElement($document, $options[self::MAIN_TAG_KEY][1]); |
157
|
|
|
|
158
|
|
|
//Set the icon in an img tag whom will be wrapped in the second DOMElement. |
159
|
|
|
if(!empty($node->getIcon()) && $options[self::MAIN_ICON_KEY][self::DISPLAY_ICON_KEY]) { |
160
|
|
|
$icon = $node->getIcon(); |
161
|
|
|
$domElementImg = $document->createElement('img'); |
162
|
|
|
|
163
|
|
|
$iconUri = $icon->getShortUri(); |
164
|
|
|
if(array_key_exists(self::PATH_ICON_KEY, $options[self::MAIN_ICON_KEY])) { |
165
|
|
|
if(!is_callable($callback = $options[self::MAIN_ICON_KEY][self::PATH_ICON_KEY][self::CALLBACK_PATH_ICON_KEY])) { |
166
|
|
|
throw new InvalidArgumentException('The argument with the key "'.self::CALLBACK_PATH_ICON_KEY.'" (self::CALLBACK_PATH_ICON_KEY) must be a valid callback.'); |
167
|
|
|
} |
168
|
|
|
|
169
|
|
|
$callBackoptions = array_key_exists(self::OPTIONS_PATH_ICON_KEY, $options[self::MAIN_ICON_KEY][self::PATH_ICON_KEY]) ? |
170
|
|
|
$options[self::MAIN_ICON_KEY][self::PATH_ICON_KEY][self::OPTIONS_PATH_ICON_KEY] : |
171
|
|
|
null; |
172
|
|
|
|
173
|
|
|
$iconUri = $callback($icon->getFullName(), $callBackoptions); |
174
|
|
|
} |
175
|
|
|
|
176
|
|
|
$domElementImg->setAttribute('src', $iconUri); |
177
|
|
|
$domElementImg->setAttribute('alt', $icon->getName()); |
178
|
|
|
$domElementB->appendChild($domElementImg); |
179
|
|
|
} |
180
|
|
|
|
181
|
|
|
//Define the TextNode to append to the current wrapping elements. |
182
|
|
|
$text = $document->createTextNode($node->getText()); |
183
|
|
|
|
184
|
|
|
//Bold an italic in old HTML way in order not to spread it to all children. |
185
|
|
|
if($options[self::MAIN_TAG_MERGE_DECORATION]) { |
186
|
|
|
if($node->isBold()) { |
187
|
|
|
$bTag = $document->createElement('b'); |
188
|
|
|
$bTag->appendChild($text); |
189
|
|
|
$text = $bTag; |
190
|
|
|
} |
191
|
|
|
if($node->isItalic()) { |
192
|
|
|
$iTag = $document->createElement('i'); |
193
|
|
|
$iTag->appendChild($text); |
194
|
|
|
$text = $iTag; |
195
|
|
|
} |
196
|
|
|
} |
197
|
|
|
|
198
|
|
|
//Append text node (real one or the one already wrapped inside <b> and/or <i> tags) |
199
|
|
|
if(isset($options[self::MAIN_TAG_KEY][2])) { |
200
|
|
|
$domElementC = $this->buildElement($document, $options[self::MAIN_TAG_KEY][2]); |
201
|
|
|
$domElementC->appendChild($text); |
202
|
|
|
$domElementB->appendChild($domElementC); |
203
|
|
|
} else { |
204
|
|
|
$domElementB->appendChild($text); |
205
|
|
|
} |
206
|
|
|
|
207
|
|
|
$domElementA->appendChild($domElementB); |
208
|
|
|
|
209
|
|
|
foreach($node->getChildren() as $child) { |
210
|
|
|
$domElementB->appendChild($this->buildHTMLTreeFromNode($document, $child, $options)); |
211
|
|
|
} |
212
|
|
|
|
213
|
|
|
return $domElementA; |
214
|
|
|
} |
215
|
|
|
|
216
|
|
|
/** |
217
|
|
|
* Set optionals values for merging style and decoration if they are not. |
218
|
|
|
* |
219
|
|
|
* @param array &$options : The options array passed as reference. |
220
|
|
|
*/ |
221
|
|
|
private function fillOptionalOptions(array &$options) { |
222
|
|
|
foreach([self::MAIN_TAG_MERGE_DECORATION, self::MAIN_TAG_MERGE_STYLE] as $key) { |
223
|
|
|
if(!array_key_exists($key, $options) || !is_bool($options[$key])) { |
224
|
|
|
$options[$key] = true; |
225
|
|
|
} |
226
|
|
|
} |
227
|
|
|
} |
228
|
|
|
|
229
|
|
|
/** |
230
|
|
|
* Build the HTML tag following its given tag name and attributes stored in $description array. |
231
|
|
|
* |
232
|
|
|
* @param DOMDocument $document : The current DOMDocument in creation with the HTML tree. |
233
|
|
|
* @param array $description : The array describing the tag to create. |
234
|
|
|
* |
235
|
|
|
* @return \DOMElement $domElement : The created DOMElement. |
236
|
|
|
*/ |
237
|
|
|
private function buildElement(DOMDocument $document, array $description) { |
238
|
|
|
$domElement = $document->createElement($description[self::TAG_KEY]); |
239
|
|
|
foreach($description[self::ATTRIBUTES_KEY] as $name => $attribute) { |
240
|
|
|
$domElement->setAttribute($name, $attribute); |
241
|
|
|
} |
242
|
|
|
|
243
|
|
|
return $domElement; |
244
|
|
|
} |
245
|
|
|
} |