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| 1 | <?php |
| 2 | /** |
| 3 | * License selector for use on Special:Upload. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | * @ingroup SpecialPage |
| 22 | * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com> |
| 23 | * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason |
| 24 | */ |
| 25 | |
| 26 | use MediaWiki\Html\Html; |
| 27 | use MediaWiki\HTMLForm\HTMLFormField; |
| 28 | use MediaWiki\MediaWikiServices; |
| 29 | |
| 30 | /** |
| 31 | * A License class for use on Special:Upload |
| 32 | */ |
| 33 | class Licenses extends HTMLFormField { |
| 34 | protected string $msg; |
| 35 | protected array $lines = []; |
| 36 | protected string $html; |
| 37 | protected ?string $selected; |
| 38 | |
| 39 | /** |
| 40 | * @param array $params |
| 41 | */ |
| 42 | public function __construct( $params ) { |
| 43 | parent::__construct( $params ); |
| 44 | |
| 45 | $this->msg = static::getMessageFromParams( $params ); |
| 46 | $this->selected = null; |
| 47 | |
| 48 | $this->makeLines(); |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * @param array $params |
| 53 | * @return string |
| 54 | */ |
| 55 | protected static function getMessageFromParams( $params ) { |
| 56 | if ( !empty( $params['licenses'] ) ) { |
| 57 | return $params['licenses']; |
| 58 | } |
| 59 | |
| 60 | // If the licenses page is in $wgForceUIMsgAsContentMsg (which is the case |
| 61 | // on Commons), translations will be in the database, in subpages of this |
| 62 | // message (e.g. MediaWiki:Licenses/<lang>) |
| 63 | // If there is no such translation, the result will be '-' (the empty default |
| 64 | // in the i18n files), so we'll need to force it to look up the actual licenses |
| 65 | // in the default site language (= get the translation from MediaWiki:Licenses) |
| 66 | // Also see https://phabricator.wikimedia.org/T3495 |
| 67 | $defaultMsg = wfMessage( 'licenses' )->inContentLanguage(); |
| 68 | if ( $defaultMsg->isDisabled() ) { |
| 69 | $defaultMsg = wfMessage( 'licenses' )->inLanguage( |
| 70 | MediaWikiServices::getInstance()->getContentLanguage() ); |
| 71 | } |
| 72 | |
| 73 | return $defaultMsg->plain(); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * @param string $line |
| 78 | * @return License |
| 79 | */ |
| 80 | protected function buildLine( $line ) { |
| 81 | return new License( $line ); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * @internal |
| 86 | */ |
| 87 | protected function makeLines() { |
| 88 | $levels = []; |
| 89 | $lines = explode( "\n", $this->msg ); |
| 90 | |
| 91 | foreach ( $lines as $line ) { |
| 92 | if ( !str_starts_with( $line, '*' ) ) { |
| 93 | continue; |
| 94 | } |
| 95 | [ $level, $line ] = $this->trimStars( $line ); |
| 96 | |
| 97 | if ( str_contains( $line, '|' ) ) { |
| 98 | $obj = $this->buildLine( $line ); |
| 99 | $this->stackItem( $this->lines, $levels, $obj ); |
| 100 | } else { |
| 101 | if ( $level < count( $levels ) ) { |
| 102 | $levels = array_slice( $levels, 0, $level ); |
| 103 | } |
| 104 | if ( $level == count( $levels ) ) { |
| 105 | $levels[$level - 1] = $line; |
| 106 | } elseif ( $level > count( $levels ) ) { |
| 107 | $levels[] = $line; |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @param string $str |
| 115 | * @return array |
| 116 | */ |
| 117 | protected function trimStars( $str ) { |
| 118 | $numStars = strspn( $str, '*' ); |
| 119 | return [ $numStars, ltrim( substr( $str, $numStars ), ' ' ) ]; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * @param array &$list |
| 124 | * @param array $path |
| 125 | * @param mixed $item |
| 126 | */ |
| 127 | protected function stackItem( &$list, $path, $item ) { |
| 128 | $position =& $list; |
| 129 | if ( $path ) { |
| 130 | foreach ( $path as $key ) { |
| 131 | $position =& $position[$key]; |
| 132 | } |
| 133 | } |
| 134 | $position[] = $item; |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * @param array $tagset |
| 139 | * @param int $depth |
| 140 | * @return string |
| 141 | */ |
| 142 | protected function makeHtml( $tagset, $depth = 0 ) { |
| 143 | $html = ''; |
| 144 | |
| 145 | foreach ( $tagset as $key => $val ) { |
| 146 | if ( is_array( $val ) ) { |
| 147 | $html .= $this->outputOption( |
| 148 | $key, '', |
| 149 | [ |
| 150 | 'disabled' => 'disabled' |
| 151 | ], |
| 152 | $depth |
| 153 | ); |
| 154 | $html .= $this->makeHtml( $val, $depth + 1 ); |
| 155 | } else { |
| 156 | $html .= $this->outputOption( |
| 157 | $val->text, $val->template, |
| 158 | [ 'title' => '{{' . $val->template . '}}' ], |
| 159 | $depth |
| 160 | ); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | return $html; |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * @param string $message |
| 169 | * @param string $value |
| 170 | * @param null|array $attribs |
| 171 | * @param int $depth |
| 172 | * @return string |
| 173 | */ |
| 174 | protected function outputOption( $message, $value, $attribs = null, $depth = 0 ) { |
| 175 | $msgObj = $this->msg( $message ); |
| 176 | $text = $msgObj->exists() ? $msgObj->text() : $message; |
| 177 | $attribs['value'] = $value; |
| 178 | if ( $value === $this->selected && !isset( $attribs['disabled'] ) ) { |
| 179 | $attribs['selected'] = 'selected'; |
| 180 | } |
| 181 | |
| 182 | $val = str_repeat( /*   */ "\u{00A0}", $depth * 2 ) . $text; |
| 183 | return str_repeat( "\t", $depth ) . Html::element( 'option', $attribs, $val ) . "\n"; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Accessor for $this->lines |
| 188 | * |
| 189 | * @return array |
| 190 | */ |
| 191 | public function getLines() { |
| 192 | return $this->lines; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Accessor for $this->lines |
| 197 | * |
| 198 | * @return array |
| 199 | * |
| 200 | * @deprecated since 1.31 Use getLines() instead |
| 201 | */ |
| 202 | public function getLicenses() { |
| 203 | return $this->getLines(); |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * @inheritDoc |
| 208 | */ |
| 209 | public function getInputHTML( $value ) { |
| 210 | $this->selected = $value; |
| 211 | |
| 212 | // add a default "no license selected" option |
| 213 | $default = $this->buildLine( '|nolicense' ); |
| 214 | array_unshift( $this->lines, $default ); |
| 215 | |
| 216 | $html = $this->makeHtml( $this->getLines() ); |
| 217 | |
| 218 | $attribs = [ |
| 219 | 'name' => $this->mName, |
| 220 | 'id' => $this->mID |
| 221 | ]; |
| 222 | if ( !empty( $this->mParams['disabled'] ) ) { |
| 223 | $attribs['disabled'] = 'disabled'; |
| 224 | } |
| 225 | |
| 226 | $html = Html::rawElement( 'select', $attribs, $html ); |
| 227 | |
| 228 | // remove default "no license selected" from lines again |
| 229 | array_shift( $this->lines ); |
| 230 | |
| 231 | return $html; |
| 232 | } |
| 233 | } |