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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\EditPage; |
| 22 | |
| 23 | use MediaWiki\Cache\LinkBatchFactory; |
| 24 | use MediaWiki\Context\IContextSource; |
| 25 | use MediaWiki\Html\Html; |
| 26 | use MediaWiki\Linker\LinkRenderer; |
| 27 | use MediaWiki\Page\PageIdentity; |
| 28 | use MediaWiki\Page\PageReference; |
| 29 | use MediaWiki\Permissions\RestrictionStore; |
| 30 | use MediaWiki\Title\Title; |
| 31 | |
| 32 | /** |
| 33 | * Handles formatting for the "templates used on this page" |
| 34 | * lists. Formerly known as Linker::formatTemplates() |
| 35 | * |
| 36 | * @since 1.28 |
| 37 | */ |
| 38 | class TemplatesOnThisPageFormatter { |
| 39 | |
| 40 | /** |
| 41 | * @var IContextSource |
| 42 | */ |
| 43 | private $context; |
| 44 | |
| 45 | /** |
| 46 | * @var LinkRenderer |
| 47 | */ |
| 48 | private $linkRenderer; |
| 49 | |
| 50 | /** |
| 51 | * @var LinkBatchFactory |
| 52 | */ |
| 53 | private $linkBatchFactory; |
| 54 | |
| 55 | /** |
| 56 | * @var RestrictionStore |
| 57 | */ |
| 58 | private $restrictionStore; |
| 59 | |
| 60 | /** |
| 61 | * @param IContextSource $context |
| 62 | * @param LinkRenderer $linkRenderer |
| 63 | * @param LinkBatchFactory $linkBatchFactory |
| 64 | * @param RestrictionStore $restrictionStore |
| 65 | */ |
| 66 | public function __construct( |
| 67 | IContextSource $context, |
| 68 | LinkRenderer $linkRenderer, |
| 69 | LinkBatchFactory $linkBatchFactory, |
| 70 | RestrictionStore $restrictionStore |
| 71 | ) { |
| 72 | $this->context = $context; |
| 73 | $this->linkRenderer = $linkRenderer; |
| 74 | $this->linkBatchFactory = $linkBatchFactory; |
| 75 | $this->restrictionStore = $restrictionStore; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Make an HTML list of templates, and then add a "More..." link at |
| 80 | * the bottom. If $more is null, do not add a "More..." link. If $more |
| 81 | * is a PageReference, make a link to that page and use it. If $more is a string, |
| 82 | * directly paste it in as the link (escaping needs to be done manually). |
| 83 | * |
| 84 | * @param PageIdentity[] $templates |
| 85 | * @param string|false $type 'preview' if a preview, 'section' if a section edit, false if neither |
| 86 | * @param PageReference|string|null $more An escaped link for "More..." of the templates |
| 87 | * @return string HTML output |
| 88 | */ |
| 89 | public function format( array $templates, $type = false, $more = null ) { |
| 90 | if ( !$templates ) { |
| 91 | // No templates |
| 92 | return ''; |
| 93 | } |
| 94 | |
| 95 | # Do a batch existence check |
| 96 | $batch = $this->linkBatchFactory->newLinkBatch( $templates ); |
| 97 | $batch->setCaller( __METHOD__ ); |
| 98 | $batch->execute(); |
| 99 | |
| 100 | # Construct the HTML |
| 101 | $outText = Html::openElement( 'div', [ 'class' => 'mw-templatesUsedExplanation' ] ); |
| 102 | $count = count( $templates ); |
| 103 | if ( $type === 'preview' ) { |
| 104 | $outText .= $this->context->msg( 'templatesusedpreview' )->numParams( $count ) |
| 105 | ->parseAsBlock(); |
| 106 | } elseif ( $type === 'section' ) { |
| 107 | $outText .= $this->context->msg( 'templatesusedsection' )->numParams( $count ) |
| 108 | ->parseAsBlock(); |
| 109 | } else { |
| 110 | $outText .= $this->context->msg( 'templatesused' )->numParams( $count ) |
| 111 | ->parseAsBlock(); |
| 112 | } |
| 113 | $outText .= Html::closeElement( 'div' ) . Html::openElement( 'ul' ) . "\n"; |
| 114 | |
| 115 | usort( $templates, [ Title::class, 'compare' ] ); |
| 116 | foreach ( $templates as $template ) { |
| 117 | $outText .= $this->formatTemplate( $template ); |
| 118 | } |
| 119 | |
| 120 | if ( $more instanceof PageReference ) { |
| 121 | $outText .= Html::rawElement( 'li', [], |
| 122 | $this->linkRenderer->makeLink( |
| 123 | $more, |
| 124 | $this->context->msg( 'moredotdotdot' )->text() |
| 125 | ) |
| 126 | ); |
| 127 | } elseif ( $more ) { |
| 128 | // Documented as should already be escaped |
| 129 | $outText .= Html::rawElement( 'li', [], $more ); |
| 130 | } |
| 131 | |
| 132 | $outText .= Html::closeElement( 'ul' ); |
| 133 | return $outText; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Builds a list item for an individual template |
| 138 | * |
| 139 | * The output of this is repeated for live-preview in resources/src/mediawiki.page.preview.js |
| 140 | * |
| 141 | * @param PageIdentity $target |
| 142 | * @return string |
| 143 | */ |
| 144 | private function formatTemplate( PageIdentity $target ) { |
| 145 | if ( !$target->canExist() ) { |
| 146 | return Html::rawElement( 'li', [], $this->linkRenderer->makeLink( $target ) ); |
| 147 | } |
| 148 | |
| 149 | $protected = $this->getRestrictionsText( |
| 150 | $this->restrictionStore->getRestrictions( $target, 'edit' ) |
| 151 | ); |
| 152 | $editLink = $this->buildEditLink( $target ); |
| 153 | return Html::rawElement( 'li', [], $this->linkRenderer->makeLink( $target ) |
| 154 | . $this->context->msg( 'word-separator' )->escaped() |
| 155 | . $this->context->msg( 'parentheses' )->rawParams( $editLink )->escaped() |
| 156 | . $this->context->msg( 'word-separator' )->escaped() |
| 157 | . $protected |
| 158 | ); |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * If the page is protected, get the relevant text |
| 163 | * for those restrictions |
| 164 | * |
| 165 | * @param array $restrictions |
| 166 | * @return string HTML |
| 167 | */ |
| 168 | private function getRestrictionsText( array $restrictions ) { |
| 169 | $protected = ''; |
| 170 | if ( !$restrictions ) { |
| 171 | return $protected; |
| 172 | } |
| 173 | |
| 174 | // Check backwards-compatible messages |
| 175 | $msg = null; |
| 176 | if ( $restrictions === [ 'sysop' ] ) { |
| 177 | $msg = $this->context->msg( 'template-protected' ); |
| 178 | } elseif ( $restrictions === [ 'autoconfirmed' ] ) { |
| 179 | $msg = $this->context->msg( 'template-semiprotected' ); |
| 180 | } |
| 181 | if ( $msg && !$msg->isDisabled() ) { |
| 182 | $protected = $msg->parse(); |
| 183 | } else { |
| 184 | // Construct the message from restriction-level-* |
| 185 | // e.g. restriction-level-sysop, restriction-level-autoconfirmed |
| 186 | $msgs = []; |
| 187 | foreach ( $restrictions as $r ) { |
| 188 | $msgs[] = $this->context->msg( "restriction-level-$r" )->parse(); |
| 189 | } |
| 190 | $protected = $this->context->msg( 'parentheses' ) |
| 191 | ->rawParams( $this->context->getLanguage()->commaList( $msgs ) )->escaped(); |
| 192 | } |
| 193 | |
| 194 | return $protected; |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Return a link to the edit page, with the text |
| 199 | * saying "view source" if the user can't edit the page |
| 200 | * |
| 201 | * @param PageIdentity $page |
| 202 | * @return string HTML |
| 203 | */ |
| 204 | private function buildEditLink( PageIdentity $page ) { |
| 205 | if ( $this->context->getAuthority()->probablyCan( 'edit', $page ) ) { |
| 206 | $linkMsg = 'editlink'; |
| 207 | } else { |
| 208 | $linkMsg = 'viewsourcelink'; |
| 209 | } |
| 210 | |
| 211 | return $this->linkRenderer->makeLink( |
| 212 | $page, |
| 213 | $this->context->msg( $linkMsg )->text(), |
| 214 | [], |
| 215 | [ 'action' => 'edit' ] |
| 216 | ); |
| 217 | } |
| 218 | |
| 219 | } |
| 220 | |
| 221 | /** @deprecated class alias since 1.40 */ |
| 222 | class_alias( TemplatesOnThisPageFormatter::class, 'TemplatesOnThisPageFormatter' ); |