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| 1 | <?php |
| 2 | /* |
| 3 | Score, a MediaWiki extension for rendering musical scores with LilyPond. |
| 4 | Copyright © 2011 Alexander Klauer |
| 5 | |
| 6 | This program is free software: you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\Extension\Score; |
| 22 | |
| 23 | use DataValues\StringValue; |
| 24 | use InvalidArgumentException; |
| 25 | use MediaWiki\Html\Html; |
| 26 | use ValueFormatters\ValueFormatter; |
| 27 | use Wikibase\Lib\Formatters\SnakFormatter; |
| 28 | |
| 29 | /** |
| 30 | * Formats Lilypond string based on the known formats |
| 31 | * - text/plain: used in the value input field of Wikidata |
| 32 | * - text/x-wiki: wikitext |
| 33 | * - text/html: used in Wikidata to display the value of properties |
| 34 | * Formats can look like this: "text/html; disposition=diff" |
| 35 | * or just "text/plain" |
| 36 | */ |
| 37 | class ScoreFormatter implements ValueFormatter { |
| 38 | |
| 39 | /** |
| 40 | * @var string One of the SnakFormatter::FORMAT_... constants. |
| 41 | */ |
| 42 | private $format; |
| 43 | |
| 44 | /** |
| 45 | * Loads format to distinguish the type of formatting |
| 46 | * |
| 47 | * @param string $format One of the SnakFormatter::FORMAT_... constants. |
| 48 | */ |
| 49 | public function __construct( $format ) { |
| 50 | $this->format = $format; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * @param StringValue $value |
| 55 | * |
| 56 | * @throws InvalidArgumentException if not called with a StringValue |
| 57 | * @return string |
| 58 | */ |
| 59 | public function format( $value ) { |
| 60 | if ( !( $value instanceof StringValue ) ) { |
| 61 | throw new InvalidArgumentException( '$value must be a StringValue' ); |
| 62 | } |
| 63 | |
| 64 | $valueString = $value->getValue(); |
| 65 | |
| 66 | switch ( $this->format ) { |
| 67 | case SnakFormatter::FORMAT_PLAIN: |
| 68 | return $valueString; |
| 69 | case SnakFormatter::FORMAT_WIKI: |
| 70 | return "<score>$valueString</score>"; |
| 71 | default: |
| 72 | return $this->formatAsHtml( $valueString ); |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * @param string $valueString |
| 78 | * @return string |
| 79 | */ |
| 80 | private function formatAsHtml( $valueString ) { |
| 81 | $args = []; |
| 82 | |
| 83 | global $wgWikibaseMusicalNotationLineWidthInches; |
| 84 | $args['line_width_inches'] = $wgWikibaseMusicalNotationLineWidthInches; |
| 85 | |
| 86 | try { |
| 87 | $valueHtml = Score::renderScore( |
| 88 | $valueString, |
| 89 | $args |
| 90 | ); |
| 91 | } catch ( ScoreException $exception ) { |
| 92 | return (string)$exception; |
| 93 | } |
| 94 | |
| 95 | if ( $this->format === SnakFormatter::FORMAT_HTML_DIFF ) { |
| 96 | $valueHtml = $this->formatDetails( $valueHtml, $valueString ); |
| 97 | } |
| 98 | |
| 99 | return $valueHtml; |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Constructs a detailed HTML rendering for use in diff views. |
| 104 | * |
| 105 | * @param string $valueHtml |
| 106 | * @param string $valueString |
| 107 | * |
| 108 | * @return string HTML |
| 109 | */ |
| 110 | private function formatDetails( $valueHtml, $valueString ) { |
| 111 | $detailsHtml = ''; |
| 112 | $detailsHtml .= Html::rawElement( 'h4', |
| 113 | [ 'class' => 'wb-details wb-musical-notation-details wb-musical-notation-rendered' ], |
| 114 | $valueHtml |
| 115 | ); |
| 116 | |
| 117 | $detailsHtml .= Html::rawElement( 'div', |
| 118 | [ 'class' => 'wb-details wb-musical-notation-details' ], |
| 119 | Html::element( 'code', [], $valueString ) |
| 120 | ); |
| 121 | |
| 122 | return $detailsHtml; |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * @return string One of the SnakFormatter::FORMAT_... constants. |
| 127 | */ |
| 128 | public function getFormat() { |
| 129 | return $this->format; |
| 130 | } |
| 131 | |
| 132 | } |