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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Math; |
| 4 | |
| 5 | use DataValues\StringValue; |
| 6 | use MediaWiki\Html\Html; |
| 7 | use MediaWiki\MediaWikiServices; |
| 8 | use Wikibase\DataModel\Entity\EntityId; |
| 9 | use Wikibase\Lib\Formatters\SnakFormatter; |
| 10 | |
| 11 | /** |
| 12 | * This class stores information about mathematical Wikibase items. |
| 13 | */ |
| 14 | class MathWikibaseInfo { |
| 15 | /** |
| 16 | * @var EntityId |
| 17 | */ |
| 18 | private $id; |
| 19 | |
| 20 | /** |
| 21 | * @var string the label of the item |
| 22 | */ |
| 23 | private $label; |
| 24 | |
| 25 | /** |
| 26 | * @var string description of the item |
| 27 | */ |
| 28 | private $description; |
| 29 | |
| 30 | /** |
| 31 | * @var StringValue a symbol representing the item |
| 32 | */ |
| 33 | private $symbol; |
| 34 | |
| 35 | /** |
| 36 | * @var MathWikibaseInfo[] |
| 37 | */ |
| 38 | private $hasParts = []; |
| 39 | |
| 40 | /** |
| 41 | * @var MathFormatter |
| 42 | */ |
| 43 | private $mathFormatter; |
| 44 | |
| 45 | /** |
| 46 | * @var string |
| 47 | */ |
| 48 | private $url; |
| 49 | |
| 50 | /** |
| 51 | * @param EntityId $entityId |
| 52 | * @param MathFormatter|null $mathFormatter to format math equations. Default format is HTML. |
| 53 | */ |
| 54 | public function __construct( EntityId $entityId, ?MathFormatter $mathFormatter = null ) { |
| 55 | $this->id = $entityId; |
| 56 | $this->mathFormatter = $mathFormatter ?: new MathFormatter( SnakFormatter::FORMAT_HTML ); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * @param string $label |
| 61 | */ |
| 62 | public function setLabel( $label ) { |
| 63 | $this->label = $label; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * @param string $description |
| 68 | */ |
| 69 | public function setDescription( $description ) { |
| 70 | $this->description = $description; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @param StringValue $symbol |
| 75 | */ |
| 76 | public function setSymbol( $symbol ) { |
| 77 | $this->symbol = $symbol; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @param MathWikibaseInfo $info |
| 82 | */ |
| 83 | public function addHasPartElement( MathWikibaseInfo $info ) { |
| 84 | $this->hasParts[] = $info; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * @param string $link |
| 89 | */ |
| 90 | public function setUrl( $link ) { |
| 91 | $this->url = $link; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * @param MathWikibaseInfo[] $infos |
| 96 | */ |
| 97 | public function addHasPartElements( $infos ) { |
| 98 | array_push( $this->hasParts, ...$infos ); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * @return EntityId id |
| 103 | */ |
| 104 | public function getId() { |
| 105 | return $this->id; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * @return string label |
| 110 | */ |
| 111 | public function getLabel() { |
| 112 | return $this->label; |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * @return string description |
| 117 | */ |
| 118 | public function getDescription() { |
| 119 | return $this->description; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * @return StringValue symbol |
| 124 | */ |
| 125 | public function getSymbol() { |
| 126 | return $this->symbol; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * @return string|null html formatted version of the symbol |
| 131 | */ |
| 132 | public function getFormattedSymbol() { |
| 133 | if ( $this->symbol ) { |
| 134 | return $this->mathFormatter->format( $this->getSymbol() ); |
| 135 | } else { |
| 136 | return null; |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * @return MathWikibaseInfo[] hasparts |
| 142 | */ |
| 143 | public function getParts() { |
| 144 | return $this->hasParts; |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * @return string |
| 149 | */ |
| 150 | public function getUrl() { |
| 151 | return $this->url; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * @return MathFormatter |
| 156 | */ |
| 157 | public function getFormatter() { |
| 158 | return $this->mathFormatter; |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Does this info object has elements? |
| 163 | * @return bool true if there are elements otherwise false |
| 164 | */ |
| 165 | public function hasParts() { |
| 166 | return $this->hasParts !== []; |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Generates an HTML table representation of the has-parts elements |
| 171 | * @return string |
| 172 | */ |
| 173 | public function generateTableOfParts() { |
| 174 | $lang = MediaWikiServices::getInstance()->getContentLanguage(); |
| 175 | $labelAlign = $lang->isRTL() ? 'left' : 'right'; |
| 176 | $labelAlignOpposite = !$lang->isRTL() ? 'left' : 'right'; |
| 177 | |
| 178 | $output = ''; |
| 179 | |
| 180 | foreach ( $this->hasParts as $part ) { |
| 181 | $output .= Html::openElement( "tr" ); |
| 182 | |
| 183 | $output .= Html::openElement( |
| 184 | "td", |
| 185 | [ "style" => "font-weight: bold; text-align:$labelAlign;" ] |
| 186 | ); |
| 187 | |
| 188 | if ( $part->url ) { |
| 189 | $output .= Html::element( |
| 190 | "a", |
| 191 | [ "href" => $part->url ], |
| 192 | $part->getLabel() |
| 193 | ); |
| 194 | } else { |
| 195 | $output .= htmlspecialchars( $part->getLabel() ); |
| 196 | } |
| 197 | |
| 198 | $output .= Html::closeElement( "td" ); |
| 199 | $output .= Html::openElement( |
| 200 | "td", |
| 201 | [ "style" => "text-align:center; padding: 2px; padding-left: 10px; padding-right: 10px;" ] |
| 202 | ); |
| 203 | |
| 204 | if ( $part->url ) { |
| 205 | $output .= Html::rawElement( |
| 206 | "a", |
| 207 | [ "href" => $part->url ], |
| 208 | $part->getFormattedSymbol() |
| 209 | ); |
| 210 | } else { |
| 211 | $output .= $part->getFormattedSymbol(); |
| 212 | } |
| 213 | |
| 214 | $output .= Html::closeElement( "td" ); |
| 215 | $output .= Html::element( |
| 216 | "td", |
| 217 | [ "style" => "font-style: italic; text-align:$labelAlignOpposite;" ], |
| 218 | $part->getDescription() |
| 219 | ); |
| 220 | $output .= Html::closeElement( "tr" ); |
| 221 | } |
| 222 | |
| 223 | return Html::rawElement( 'table', [ 'style' => 'padding: 5px' ], |
| 224 | Html::rawElement( 'tbody', [], $output ) |
| 225 | ); |
| 226 | } |
| 227 | |
| 228 | /** |
| 229 | * Generates a minimalized Html representation of the has-parts elements. |
| 230 | * @return string |
| 231 | */ |
| 232 | public function generateSmallTableOfParts() { |
| 233 | $output = ''; |
| 234 | |
| 235 | foreach ( $this->hasParts as $part ) { |
| 236 | $output .= Html::rawElement( 'tr', [], |
| 237 | Html::rawElement( 'td', |
| 238 | [ 'style' => 'text-align: center; padding-right: 5px;' ], |
| 239 | $part->getFormattedSymbol() |
| 240 | ) . |
| 241 | Html::element( 'td', [ 'style' => 'text-align:left;' ], $part->getLabel() ) |
| 242 | ); |
| 243 | } |
| 244 | |
| 245 | return Html::rawElement( 'table', [], |
| 246 | Html::rawElement( 'tbody', [], $output ) |
| 247 | ); |
| 248 | } |
| 249 | } |