| Index: trunk/phase3/includes/diff/DifferenceInterface.php |
| — | — | @@ -1,1127 +1,1127 @@ |
| 2 | | -<?php
|
| 3 | | -/**
|
| 4 | | - * @defgroup DifferenceEngine DifferenceEngine
|
| 5 | | - */
|
| 6 | | -
|
| 7 | | -/**
|
| 8 | | - * Constant to indicate diff cache compatibility.
|
| 9 | | - * Bump this when changing the diff formatting in a way that
|
| 10 | | - * fixes important bugs or such to force cached diff views to
|
| 11 | | - * clear.
|
| 12 | | - */
|
| 13 | | -define( 'MW_DIFF_VERSION', '1.11a' );
|
| 14 | | -
|
| 15 | | -/**
|
| 16 | | - * @todo document
|
| 17 | | - * @ingroup DifferenceEngine
|
| 18 | | - */
|
| 19 | | -class DifferenceEngine {
|
| 20 | | - /**#@+
|
| 21 | | - * @private
|
| 22 | | - */
|
| 23 | | - var $mOldid, $mNewid, $mTitle;
|
| 24 | | - var $mOldtitle, $mNewtitle, $mPagetitle;
|
| 25 | | - var $mOldtext, $mNewtext;
|
| 26 | | - var $mOldPage, $mNewPage;
|
| 27 | | - var $mRcidMarkPatrolled;
|
| 28 | | - var $mOldRev, $mNewRev;
|
| 29 | | - var $mRevisionsLoaded = false; // Have the revisions been loaded
|
| 30 | | - var $mTextLoaded = 0; // How many text blobs have been loaded, 0, 1 or 2?
|
| 31 | | - var $mCacheHit = false; // Was the diff fetched from cache?
|
| 32 | | - var $htmldiff;
|
| 33 | | -
|
| 34 | | - /**
|
| 35 | | - * Set this to true to add debug info to the HTML output.
|
| 36 | | - * Warning: this may cause RSS readers to spuriously mark articles as "new"
|
| 37 | | - * (bug 20601)
|
| 38 | | - */
|
| 39 | | - var $enableDebugComment = false;
|
| 40 | | -
|
| 41 | | - // If true, line X is not displayed when X is 1, for example to increase
|
| 42 | | - // readability and conserve space with many small diffs.
|
| 43 | | - protected $mReducedLineNumbers = false;
|
| 44 | | -
|
| 45 | | - protected $unhide = false;
|
| 46 | | - /**#@-*/
|
| 47 | | -
|
| 48 | | - /**
|
| 49 | | - * Constructor
|
| 50 | | - * @param $titleObj Title object that the diff is associated with
|
| 51 | | - * @param $old Integer: old ID we want to show and diff with.
|
| 52 | | - * @param $new String: either 'prev' or 'next'.
|
| 53 | | - * @param $rcid Integer: ??? FIXME (default 0)
|
| 54 | | - * @param $refreshCache boolean If set, refreshes the diff cache
|
| 55 | | - * @param $htmldiff boolean If set, output using HTMLDiff instead of raw wikicode diff
|
| 56 | | - * @param $unhide boolean If set, allow viewing deleted revs
|
| 57 | | - */
|
| 58 | | - function __construct( $titleObj = null, $old = 0, $new = 0, $rcid = 0,
|
| 59 | | - $refreshCache = false, $htmldiff = false, $unhide = false )
|
| 60 | | - {
|
| 61 | | - if ( $titleObj ) {
|
| 62 | | - $this->mTitle = $titleObj;
|
| 63 | | - } else {
|
| 64 | | - global $wgTitle;
|
| 65 | | - $this->mTitle = $wgTitle;
|
| 66 | | - }
|
| 67 | | - wfDebug("DifferenceEngine old '$old' new '$new' rcid '$rcid'\n");
|
| 68 | | -
|
| 69 | | - if ( 'prev' === $new ) {
|
| 70 | | - # Show diff between revision $old and the previous one.
|
| 71 | | - # Get previous one from DB.
|
| 72 | | - $this->mNewid = intval($old);
|
| 73 | | - $this->mOldid = $this->mTitle->getPreviousRevisionID( $this->mNewid );
|
| 74 | | - } elseif ( 'next' === $new ) {
|
| 75 | | - # Show diff between revision $old and the next one.
|
| 76 | | - # Get next one from DB.
|
| 77 | | - $this->mOldid = intval($old);
|
| 78 | | - $this->mNewid = $this->mTitle->getNextRevisionID( $this->mOldid );
|
| 79 | | - if ( false === $this->mNewid ) {
|
| 80 | | - # if no result, NewId points to the newest old revision. The only newer
|
| 81 | | - # revision is cur, which is "0".
|
| 82 | | - $this->mNewid = 0;
|
| 83 | | - }
|
| 84 | | - } else {
|
| 85 | | - $this->mOldid = intval($old);
|
| 86 | | - $this->mNewid = intval($new);
|
| 87 | | - wfRunHooks( 'NewDifferenceEngine', array(&$titleObj, &$this->mOldid, &$this->mNewid, $old, $new) );
|
| 88 | | - }
|
| 89 | | - $this->mRcidMarkPatrolled = intval($rcid); # force it to be an integer
|
| 90 | | - $this->mRefreshCache = $refreshCache;
|
| 91 | | - $this->htmldiff = $htmldiff;
|
| 92 | | - $this->unhide = $unhide;
|
| 93 | | - }
|
| 94 | | -
|
| 95 | | - function setReducedLineNumbers( $value = true ) {
|
| 96 | | - $this->mReducedLineNumbers = $value;
|
| 97 | | - }
|
| 98 | | -
|
| 99 | | - function getTitle() {
|
| 100 | | - return $this->mTitle;
|
| 101 | | - }
|
| 102 | | -
|
| 103 | | - function wasCacheHit() {
|
| 104 | | - return $this->mCacheHit;
|
| 105 | | - }
|
| 106 | | -
|
| 107 | | - function getOldid() {
|
| 108 | | - return $this->mOldid;
|
| 109 | | - }
|
| 110 | | -
|
| 111 | | - function getNewid() {
|
| 112 | | - return $this->mNewid;
|
| 113 | | - }
|
| 114 | | -
|
| 115 | | - function showDiffPage( $diffOnly = false ) {
|
| 116 | | - global $wgUser, $wgOut, $wgUseExternalEditor, $wgUseRCPatrol, $wgEnableHtmlDiff;
|
| 117 | | - wfProfileIn( __METHOD__ );
|
| 118 | | -
|
| 119 | | -
|
| 120 | | - # If external diffs are enabled both globally and for the user,
|
| 121 | | - # we'll use the application/x-external-editor interface to call
|
| 122 | | - # an external diff tool like kompare, kdiff3, etc.
|
| 123 | | - if($wgUseExternalEditor && $wgUser->getOption('externaldiff')) {
|
| 124 | | - global $wgInputEncoding,$wgServer,$wgScript,$wgLang;
|
| 125 | | - $wgOut->disable();
|
| 126 | | - header ( "Content-type: application/x-external-editor; charset=".$wgInputEncoding );
|
| 127 | | - $url1=$this->mTitle->getFullURL( array(
|
| 128 | | - 'action' => 'raw',
|
| 129 | | - 'oldid' => $this->mOldid
|
| 130 | | - ) );
|
| 131 | | - $url2=$this->mTitle->getFullURL( array(
|
| 132 | | - 'action' => 'raw',
|
| 133 | | - 'oldid' => $this->mNewid
|
| 134 | | - ) );
|
| 135 | | - $special=$wgLang->getNsText(NS_SPECIAL);
|
| 136 | | - $control=<<<CONTROL
|
| 137 | | - [Process]
|
| 138 | | - Type=Diff text
|
| 139 | | - Engine=MediaWiki
|
| 140 | | - Script={$wgServer}{$wgScript}
|
| 141 | | - Special namespace={$special}
|
| 142 | | -
|
| 143 | | - [File]
|
| 144 | | - Extension=wiki
|
| 145 | | - URL=$url1
|
| 146 | | -
|
| 147 | | - [File 2]
|
| 148 | | - Extension=wiki
|
| 149 | | - URL=$url2
|
| 150 | | -CONTROL;
|
| 151 | | - echo($control);
|
| 152 | | - return;
|
| 153 | | - }
|
| 154 | | -
|
| 155 | | - $wgOut->setArticleFlag( false );
|
| 156 | | - if ( !$this->loadRevisionData() ) {
|
| 157 | | - $t = $this->mTitle->getPrefixedText();
|
| 158 | | - $d = wfMsgExt( 'missingarticle-diff', array( 'escape' ), $this->mOldid, $this->mNewid );
|
| 159 | | - $wgOut->setPagetitle( wfMsg( 'errorpagetitle' ) );
|
| 160 | | - $wgOut->addWikiMsg( 'missing-article', "<nowiki>$t</nowiki>", $d );
|
| 161 | | - wfProfileOut( __METHOD__ );
|
| 162 | | - return;
|
| 163 | | - }
|
| 164 | | -
|
| 165 | | - wfRunHooks( 'DiffViewHeader', array( $this, $this->mOldRev, $this->mNewRev ) );
|
| 166 | | -
|
| 167 | | - if ( $this->mNewRev->isCurrent() ) {
|
| 168 | | - $wgOut->setArticleFlag( true );
|
| 169 | | - }
|
| 170 | | -
|
| 171 | | - # mOldid is false if the difference engine is called with a "vague" query for
|
| 172 | | - # a diff between a version V and its previous version V' AND the version V
|
| 173 | | - # is the first version of that article. In that case, V' does not exist.
|
| 174 | | - if ( $this->mOldid === false ) {
|
| 175 | | - $this->showFirstRevision();
|
| 176 | | - $this->renderNewRevision(); // should we respect $diffOnly here or not?
|
| 177 | | - wfProfileOut( __METHOD__ );
|
| 178 | | - return;
|
| 179 | | - }
|
| 180 | | -
|
| 181 | | - $wgOut->suppressQuickbar();
|
| 182 | | -
|
| 183 | | - $oldTitle = $this->mOldPage->getPrefixedText();
|
| 184 | | - $newTitle = $this->mNewPage->getPrefixedText();
|
| 185 | | - if( $oldTitle == $newTitle ) {
|
| 186 | | - $wgOut->setPageTitle( $newTitle );
|
| 187 | | - } else {
|
| 188 | | - $wgOut->setPageTitle( $oldTitle . ', ' . $newTitle );
|
| 189 | | - }
|
| 190 | | - $wgOut->setSubtitle( wfMsgExt( 'difference', array( 'parseinline' ) ) );
|
| 191 | | - $wgOut->setRobotPolicy( 'noindex,nofollow' );
|
| 192 | | -
|
| 193 | | - if ( !$this->mOldPage->userCanRead() || !$this->mNewPage->userCanRead() ) {
|
| 194 | | - $wgOut->loginToUse();
|
| 195 | | - $wgOut->output();
|
| 196 | | - $wgOut->disable();
|
| 197 | | - wfProfileOut( __METHOD__ );
|
| 198 | | - return;
|
| 199 | | - }
|
| 200 | | -
|
| 201 | | - $sk = $wgUser->getSkin();
|
| 202 | | -
|
| 203 | | - // Check if page is editable
|
| 204 | | - $editable = $this->mNewRev->getTitle()->userCan( 'edit' );
|
| 205 | | - if ( $editable && $this->mNewRev->isCurrent() && $wgUser->isAllowed( 'rollback' ) ) {
|
| 206 | | - $rollback = ' ' . $sk->generateRollback( $this->mNewRev );
|
| 207 | | - } else {
|
| 208 | | - $rollback = '';
|
| 209 | | - }
|
| 210 | | -
|
| 211 | | - // Prepare a change patrol link, if applicable
|
| 212 | | - if( $wgUseRCPatrol && $this->mTitle->userCan('patrol') ) {
|
| 213 | | - // If we've been given an explicit change identifier, use it; saves time
|
| 214 | | - if( $this->mRcidMarkPatrolled ) {
|
| 215 | | - $rcid = $this->mRcidMarkPatrolled;
|
| 216 | | - $rc = RecentChange::newFromId( $rcid );
|
| 217 | | - // Already patrolled?
|
| 218 | | - $rcid = is_object($rc) && !$rc->getAttribute('rc_patrolled') ? $rcid : 0;
|
| 219 | | - } else {
|
| 220 | | - // Look for an unpatrolled change corresponding to this diff
|
| 221 | | - $db = wfGetDB( DB_SLAVE );
|
| 222 | | - $change = RecentChange::newFromConds(
|
| 223 | | - array(
|
| 224 | | - // Redundant user,timestamp condition so we can use the existing index
|
| 225 | | - 'rc_user_text' => $this->mNewRev->getRawUserText(),
|
| 226 | | - 'rc_timestamp' => $db->timestamp( $this->mNewRev->getTimestamp() ),
|
| 227 | | - 'rc_this_oldid' => $this->mNewid,
|
| 228 | | - 'rc_last_oldid' => $this->mOldid,
|
| 229 | | - 'rc_patrolled' => 0
|
| 230 | | - ),
|
| 231 | | - __METHOD__
|
| 232 | | - );
|
| 233 | | - if( $change instanceof RecentChange ) {
|
| 234 | | - $rcid = $change->mAttribs['rc_id'];
|
| 235 | | - $this->mRcidMarkPatrolled = $rcid;
|
| 236 | | - } else {
|
| 237 | | - // None found
|
| 238 | | - $rcid = 0;
|
| 239 | | - }
|
| 240 | | - }
|
| 241 | | - // Build the link
|
| 242 | | - if( $rcid ) {
|
| 243 | | - $patrol = ' <span class="patrollink">[' . $sk->link(
|
| 244 | | - $this->mTitle,
|
| 245 | | - wfMsgHtml( 'markaspatrolleddiff' ),
|
| 246 | | - array(),
|
| 247 | | - array(
|
| 248 | | - 'action' => 'markpatrolled',
|
| 249 | | - 'rcid' => $rcid
|
| 250 | | - ),
|
| 251 | | - array(
|
| 252 | | - 'known',
|
| 253 | | - 'noclasses'
|
| 254 | | - )
|
| 255 | | - ) . ']</span>';
|
| 256 | | - } else {
|
| 257 | | - $patrol = '';
|
| 258 | | - }
|
| 259 | | - } else {
|
| 260 | | - $patrol = '';
|
| 261 | | - }
|
| 262 | | -
|
| 263 | | - # Carry over 'diffonly' param via navigation links
|
| 264 | | - if( $diffOnly != $wgUser->getBoolOption('diffonly') ) {
|
| 265 | | - $query['diffonly'] = $diffOnly;
|
| 266 | | - }
|
| 267 | | -
|
| 268 | | - $htmldiffarg = $this->htmlDiffArgument();
|
| 269 | | -
|
| 270 | | - if( $htmldiffarg ) {
|
| 271 | | - $query['htmldiff'] = $htmldiffarg['htmldiff'];
|
| 272 | | - }
|
| 273 | | -
|
| 274 | | - # Make "previous revision link"
|
| 275 | | - $query['diff'] = 'prev';
|
| 276 | | - $query['oldid'] = $this->mOldid;
|
| 277 | | -
|
| 278 | | - $prevlink = $sk->link(
|
| 279 | | - $this->mTitle,
|
| 280 | | - wfMsgHtml( 'previousdiff' ),
|
| 281 | | - array(
|
| 282 | | - 'id' => 'differences-prevlink'
|
| 283 | | - ),
|
| 284 | | - $query,
|
| 285 | | - array(
|
| 286 | | - 'known',
|
| 287 | | - 'noclasses'
|
| 288 | | - )
|
| 289 | | - );
|
| 290 | | - # Make "next revision link"
|
| 291 | | - $query['diff'] = 'next';
|
| 292 | | - $query['oldid'] = $this->mNewid;
|
| 293 | | -
|
| 294 | | - if( $this->mNewRev->isCurrent() ) {
|
| 295 | | - $nextlink = ' ';
|
| 296 | | - } else {
|
| 297 | | - $nextlink = $sk->link(
|
| 298 | | - $this->mTitle,
|
| 299 | | - wfMsgHtml( 'nextdiff' ),
|
| 300 | | - array(
|
| 301 | | - 'id' => 'differences-nextlink'
|
| 302 | | - ),
|
| 303 | | - $query,
|
| 304 | | - array(
|
| 305 | | - 'known',
|
| 306 | | - 'noclasses'
|
| 307 | | - )
|
| 308 | | - );
|
| 309 | | - }
|
| 310 | | -
|
| 311 | | - $oldminor = '';
|
| 312 | | - $newminor = '';
|
| 313 | | -
|
| 314 | | - if( $this->mOldRev->isMinor() ) {
|
| 315 | | - $oldminor = ChangesList::flag( 'minor' );
|
| 316 | | - }
|
| 317 | | - if( $this->mNewRev->isMinor() ) {
|
| 318 | | - $newminor = ChangesList::flag( 'minor' );
|
| 319 | | - }
|
| 320 | | -
|
| 321 | | - $rdel = ''; $ldel = '';
|
| 322 | | - if( $wgUser->isAllowed( 'deletedhistory' ) ) {
|
| 323 | | - // Don't show useless link to people who cannot hide revisions
|
| 324 | | - if( $this->mOldRev->getVisibility() || $wgUser->isAllowed( 'deleterevision' ) ) {
|
| 325 | | - if( !$this->mOldRev->userCan( Revision::DELETED_RESTRICTED ) ) {
|
| 326 | | - // If revision was hidden from sysops
|
| 327 | | - $ldel = Xml::tags( 'span', array( 'class' => 'mw-revdelundel-link' ),
|
| 328 | | - '(' . wfMsgHtml( 'rev-delundel' ) . ')' );
|
| 329 | | - } else {
|
| 330 | | - $query = array(
|
| 331 | | - 'type' => 'revision',
|
| 332 | | - 'target' => $this->mOldRev->mTitle->getPrefixedDbkey(),
|
| 333 | | - 'ids' => $this->mOldRev->getId()
|
| 334 | | - );
|
| 335 | | - $ldel = $sk->revDeleteLink( $query, $this->mOldRev->isDeleted( Revision::DELETED_RESTRICTED ) );
|
| 336 | | - }
|
| 337 | | - $ldel = " $ldel ";
|
| 338 | | - }
|
| 339 | | - // Don't show useless link to people who cannot hide revisions
|
| 340 | | - if( $this->mNewRev->getVisibility() || $wgUser->isAllowed( 'deleterevision' ) ) {
|
| 341 | | - if( !$this->mNewRev->userCan( Revision::DELETED_RESTRICTED ) ) {
|
| 342 | | - // If revision was hidden from sysops
|
| 343 | | - $rdel = Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ), '('.wfMsgHtml( 'rev-delundel' ).')' );
|
| 344 | | - } else {
|
| 345 | | - $query = array(
|
| 346 | | - 'type' => 'revision',
|
| 347 | | - 'target' => $this->mNewRev->mTitle->getPrefixedDbkey(),
|
| 348 | | - 'ids' => $this->mNewRev->getId()
|
| 349 | | - );
|
| 350 | | - $rdel = $sk->revDeleteLink( $query, $this->mNewRev->isDeleted( Revision::DELETED_RESTRICTED ) );
|
| 351 | | - }
|
| 352 | | - $rdel = " $rdel ";
|
| 353 | | - }
|
| 354 | | - }
|
| 355 | | -
|
| 356 | | - $oldHeader = '<div id="mw-diff-otitle1"><strong>'.$this->mOldtitle.'</strong></div>' .
|
| 357 | | - '<div id="mw-diff-otitle2">' . $sk->revUserTools( $this->mOldRev, !$this->unhide ) . "</div>" .
|
| 358 | | - '<div id="mw-diff-otitle3">' . $oldminor . $sk->revComment( $this->mOldRev, !$diffOnly, !$this->unhide ).$ldel."</div>" .
|
| 359 | | - '<div id="mw-diff-otitle4">' . $prevlink .'</div>';
|
| 360 | | - $newHeader = '<div id="mw-diff-ntitle1"><strong>'.$this->mNewtitle.'</strong></div>' .
|
| 361 | | - '<div id="mw-diff-ntitle2">' . $sk->revUserTools( $this->mNewRev, !$this->unhide ) . " $rollback</div>" .
|
| 362 | | - '<div id="mw-diff-ntitle3">' . $newminor . $sk->revComment( $this->mNewRev, !$diffOnly, !$this->unhide ).$rdel."</div>" .
|
| 363 | | - '<div id="mw-diff-ntitle4">' . $nextlink . $patrol . '</div>';
|
| 364 | | -
|
| 365 | | - # Check if this user can see the revisions
|
| 366 | | - $allowed = $this->mOldRev->userCan(Revision::DELETED_TEXT)
|
| 367 | | - && $this->mNewRev->userCan(Revision::DELETED_TEXT);
|
| 368 | | - # Check if one of the revisions is deleted/suppressed
|
| 369 | | - $deleted = $suppressed = false;
|
| 370 | | - if( $this->mOldRev->isDeleted(Revision::DELETED_TEXT) ) {
|
| 371 | | - $deleted = true; // old revisions text is hidden
|
| 372 | | - if( $this->mOldRev->isDeleted(Revision::DELETED_RESTRICTED) )
|
| 373 | | - $suppressed = true; // also suppressed
|
| 374 | | - }
|
| 375 | | - if( $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) {
|
| 376 | | - $deleted = true; // new revisions text is hidden
|
| 377 | | - if( $this->mNewRev->isDeleted(Revision::DELETED_RESTRICTED) )
|
| 378 | | - $suppressed = true; // also suppressed
|
| 379 | | - }
|
| 380 | | - # Output the diff if allowed...
|
| 381 | | - if( $deleted && (!$this->unhide || !$allowed) ) {
|
| 382 | | - $this->showDiffStyle();
|
| 383 | | - $multi = $this->getMultiNotice();
|
| 384 | | - $wgOut->addHTML( $this->addHeader( '', $oldHeader, $newHeader, $multi ) );
|
| 385 | | - if( !$allowed ) {
|
| 386 | | - # Give explanation for why revision is not visible
|
| 387 | | - $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
|
| 388 | | - array( 'rev-deleted-no-diff' ) );
|
| 389 | | - } else {
|
| 390 | | - # Give explanation and add a link to view the diff...
|
| 391 | | - $link = $this->mTitle->getFullUrl( array(
|
| 392 | | - 'diff' => $this->mNewid,
|
| 393 | | - 'oldid' => $this->mOldid,
|
| 394 | | - 'unhide' => 1
|
| 395 | | - ) );
|
| 396 | | - $msg = $suppressed ? 'rev-suppressed-unhide-diff' : 'rev-deleted-unhide-diff';
|
| 397 | | - $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", array( $msg, $link ) );
|
| 398 | | - }
|
| 399 | | - } else if( $wgEnableHtmlDiff && $this->htmldiff ) {
|
| 400 | | - $multi = $this->getMultiNotice();
|
| 401 | | - $wgOut->addHTML( '<div class="diff-switchtype">' . $sk->link(
|
| 402 | | - $this->mTitle,
|
| 403 | | - wfMsgHtml( 'wikicodecomparison' ),
|
| 404 | | - array(
|
| 405 | | - 'id' => 'differences-switchtype'
|
| 406 | | - ),
|
| 407 | | - array(
|
| 408 | | - 'diff' => $this->mNewid,
|
| 409 | | - 'oldid' => $this->mOldid,
|
| 410 | | - 'htmldiff' => 0
|
| 411 | | - ),
|
| 412 | | - array(
|
| 413 | | - 'known',
|
| 414 | | - 'noclasses'
|
| 415 | | - )
|
| 416 | | - ) . '</div>');
|
| 417 | | - $wgOut->addHTML( $this->addHeader( '', $oldHeader, $newHeader, $multi ) );
|
| 418 | | - $this->renderHtmlDiff();
|
| 419 | | - } else {
|
| 420 | | - if( $wgEnableHtmlDiff ) {
|
| 421 | | - $wgOut->addHTML( '<div class="diff-switchtype">' . $sk->link(
|
| 422 | | - $this->mTitle,
|
| 423 | | - wfMsgHtml( 'visualcomparison' ),
|
| 424 | | - array(
|
| 425 | | - 'id' => 'differences-switchtype'
|
| 426 | | - ),
|
| 427 | | - array(
|
| 428 | | - 'diff' => $this->mNewid,
|
| 429 | | - 'oldid' => $this->mOldid,
|
| 430 | | - 'htmldiff' => 1
|
| 431 | | - ),
|
| 432 | | - array(
|
| 433 | | - 'known',
|
| 434 | | - 'noclasses'
|
| 435 | | - )
|
| 436 | | - ) . '</div>');
|
| 437 | | - }
|
| 438 | | - $this->showDiff( $oldHeader, $newHeader );
|
| 439 | | - if( !$diffOnly ) {
|
| 440 | | - $this->renderNewRevision();
|
| 441 | | - }
|
| 442 | | - }
|
| 443 | | - wfProfileOut( __METHOD__ );
|
| 444 | | - }
|
| 445 | | -
|
| 446 | | - /**
|
| 447 | | - * Show the new revision of the page.
|
| 448 | | - */
|
| 449 | | - function renderNewRevision() {
|
| 450 | | - global $wgOut, $wgUser;
|
| 451 | | - wfProfileIn( __METHOD__ );
|
| 452 | | -
|
| 453 | | - $wgOut->addHTML( "<hr /><h2>{$this->mPagetitle}</h2>\n" );
|
| 454 | | - # Add deleted rev tag if needed
|
| 455 | | - if( !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) {
|
| 456 | | - $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-permission' );
|
| 457 | | - } else if( $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) {
|
| 458 | | - $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-view' );
|
| 459 | | - }
|
| 460 | | -
|
| 461 | | - if( !$this->mNewRev->isCurrent() ) {
|
| 462 | | - $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
|
| 463 | | - }
|
| 464 | | -
|
| 465 | | - $this->loadNewText();
|
| 466 | | - if( is_object( $this->mNewRev ) ) {
|
| 467 | | - $wgOut->setRevisionId( $this->mNewRev->getId() );
|
| 468 | | - }
|
| 469 | | -
|
| 470 | | - if( $this->mTitle->isCssJsSubpage() || $this->mTitle->isCssOrJsPage() ) {
|
| 471 | | - // Stolen from Article::view --AG 2007-10-11
|
| 472 | | - // Give hooks a chance to customise the output
|
| 473 | | - if( wfRunHooks( 'ShowRawCssJs', array( $this->mNewtext, $this->mTitle, $wgOut ) ) ) {
|
| 474 | | - // Wrap the whole lot in a <pre> and don't parse
|
| 475 | | - $m = array();
|
| 476 | | - preg_match( '!\.(css|js)$!u', $this->mTitle->getText(), $m );
|
| 477 | | - $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
|
| 478 | | - $wgOut->addHTML( htmlspecialchars( $this->mNewtext ) );
|
| 479 | | - $wgOut->addHTML( "\n</pre>\n" );
|
| 480 | | - }
|
| 481 | | - } else {
|
| 482 | | - $wgOut->addWikiTextTidy( $this->mNewtext );
|
| 483 | | - }
|
| 484 | | -
|
| 485 | | - if( is_object( $this->mNewRev ) && !$this->mNewRev->isCurrent() ) {
|
| 486 | | - $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
|
| 487 | | - }
|
| 488 | | - # Add redundant patrol link on bottom...
|
| 489 | | - if( $this->mRcidMarkPatrolled && $this->mTitle->quickUserCan('patrol') ) {
|
| 490 | | - $sk = $wgUser->getSkin();
|
| 491 | | - $wgOut->addHTML(
|
| 492 | | - "<div class='patrollink'>[" . $sk->link(
|
| 493 | | - $this->mTitle,
|
| 494 | | - wfMsgHtml( 'markaspatrolleddiff' ),
|
| 495 | | - array(),
|
| 496 | | - array(
|
| 497 | | - 'action' => 'markpatrolled',
|
| 498 | | - 'rcid' => $this->mRcidMarkPatrolled
|
| 499 | | - )
|
| 500 | | - ) . ']</div>'
|
| 501 | | - );
|
| 502 | | - }
|
| 503 | | -
|
| 504 | | - wfProfileOut( __METHOD__ );
|
| 505 | | - }
|
| 506 | | -
|
| 507 | | -
|
| 508 | | - function renderHtmlDiff() {
|
| 509 | | - global $wgOut, $wgParser, $wgDebugComments;
|
| 510 | | - wfProfileIn( __METHOD__ );
|
| 511 | | -
|
| 512 | | - $this->showDiffStyle();
|
| 513 | | -
|
| 514 | | - $wgOut->addHTML( '<h2>'.wfMsgHtml( 'visual-comparison' )."</h2>\n" );
|
| 515 | | - #add deleted rev tag if needed
|
| 516 | | - if( !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) {
|
| 517 | | - $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-permission' );
|
| 518 | | - } else if( $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) {
|
| 519 | | - $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-view' );
|
| 520 | | - }
|
| 521 | | -
|
| 522 | | - if( !$this->mNewRev->isCurrent() ) {
|
| 523 | | - $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
|
| 524 | | - }
|
| 525 | | -
|
| 526 | | - $this->loadText();
|
| 527 | | -
|
| 528 | | - // Old revision
|
| 529 | | - if( is_object( $this->mOldRev ) ) {
|
| 530 | | - $wgOut->setRevisionId( $this->mOldRev->getId() );
|
| 531 | | - }
|
| 532 | | -
|
| 533 | | - $popts = $wgOut->parserOptions();
|
| 534 | | - $oldTidy = $popts->setTidy( true );
|
| 535 | | - $popts->setEditSection( false );
|
| 536 | | -
|
| 537 | | - $parserOutput = $wgParser->parse( $this->mOldtext, $this->getTitle(), $popts, true, true, $wgOut->getRevisionId() );
|
| 538 | | - $popts->setTidy( $oldTidy );
|
| 539 | | -
|
| 540 | | - //only for new?
|
| 541 | | - //$wgOut->addParserOutputNoText( $parserOutput );
|
| 542 | | - $oldHtml = $parserOutput->getText();
|
| 543 | | - wfRunHooks( 'OutputPageBeforeHTML', array( &$wgOut, &$oldHtml ) );
|
| 544 | | -
|
| 545 | | - // New revision
|
| 546 | | - if( is_object( $this->mNewRev ) ) {
|
| 547 | | - $wgOut->setRevisionId( $this->mNewRev->getId() );
|
| 548 | | - }
|
| 549 | | -
|
| 550 | | - $popts = $wgOut->parserOptions();
|
| 551 | | - $oldTidy = $popts->setTidy( true );
|
| 552 | | -
|
| 553 | | - $parserOutput = $wgParser->parse( $this->mNewtext, $this->getTitle(), $popts, true, true, $wgOut->getRevisionId() );
|
| 554 | | - $popts->setTidy( $oldTidy );
|
| 555 | | -
|
| 556 | | - $wgOut->addParserOutputNoText( $parserOutput );
|
| 557 | | - $newHtml = $parserOutput->getText();
|
| 558 | | - wfRunHooks( 'OutputPageBeforeHTML', array( &$wgOut, &$newHtml ) );
|
| 559 | | -
|
| 560 | | - unset($parserOutput, $popts);
|
| 561 | | -
|
| 562 | | - $differ = new HTMLDiffer(new DelegatingContentHandler($wgOut));
|
| 563 | | - $differ->htmlDiff($oldHtml, $newHtml);
|
| 564 | | - if ( $wgDebugComments ) {
|
| 565 | | - $wgOut->addHTML( "\n<!-- HtmlDiff Debug Output:\n" . HTMLDiffer::getDebugOutput() . " End Debug -->" );
|
| 566 | | - }
|
| 567 | | -
|
| 568 | | - wfProfileOut( __METHOD__ );
|
| 569 | | - }
|
| 570 | | -
|
| 571 | | - /**
|
| 572 | | - * Show the first revision of an article. Uses normal diff headers in
|
| 573 | | - * contrast to normal "old revision" display style.
|
| 574 | | - */
|
| 575 | | - function showFirstRevision() {
|
| 576 | | - global $wgOut, $wgUser;
|
| 577 | | - wfProfileIn( __METHOD__ );
|
| 578 | | -
|
| 579 | | - # Get article text from the DB
|
| 580 | | - #
|
| 581 | | - if ( ! $this->loadNewText() ) {
|
| 582 | | - $t = $this->mTitle->getPrefixedText();
|
| 583 | | - $d = wfMsgExt( 'missingarticle-diff', array( 'escape' ), $this->mOldid, $this->mNewid );
|
| 584 | | - $wgOut->setPagetitle( wfMsg( 'errorpagetitle' ) );
|
| 585 | | - $wgOut->addWikiMsg( 'missing-article', "<nowiki>$t</nowiki>", $d );
|
| 586 | | - wfProfileOut( __METHOD__ );
|
| 587 | | - return;
|
| 588 | | - }
|
| 589 | | - if ( $this->mNewRev->isCurrent() ) {
|
| 590 | | - $wgOut->setArticleFlag( true );
|
| 591 | | - }
|
| 592 | | -
|
| 593 | | - # Check if user is allowed to look at this page. If not, bail out.
|
| 594 | | - #
|
| 595 | | - if ( !$this->mTitle->userCanRead() ) {
|
| 596 | | - $wgOut->loginToUse();
|
| 597 | | - $wgOut->output();
|
| 598 | | - wfProfileOut( __METHOD__ );
|
| 599 | | - throw new MWException("Permission Error: you do not have access to view this page");
|
| 600 | | - }
|
| 601 | | -
|
| 602 | | - # Prepare the header box
|
| 603 | | - #
|
| 604 | | - $sk = $wgUser->getSkin();
|
| 605 | | -
|
| 606 | | - $next = $this->mTitle->getNextRevisionID( $this->mNewid );
|
| 607 | | - if( !$next ) {
|
| 608 | | - $nextlink = '';
|
| 609 | | - } else {
|
| 610 | | - $nextlink = '<br/>' . $sk->link(
|
| 611 | | - $this->mTitle,
|
| 612 | | - wfMsgHtml( 'nextdiff' ),
|
| 613 | | - array(
|
| 614 | | - 'id' => 'differences-nextlink'
|
| 615 | | - ),
|
| 616 | | - array(
|
| 617 | | - 'diff' => 'next',
|
| 618 | | - 'oldid' => $this->mNewid,
|
| 619 | | - $this->htmlDiffArgument()
|
| 620 | | - ),
|
| 621 | | - array(
|
| 622 | | - 'known',
|
| 623 | | - 'noclasses'
|
| 624 | | - )
|
| 625 | | - );
|
| 626 | | - }
|
| 627 | | - $header = "<div class=\"firstrevisionheader\" style=\"text-align: center\">" .
|
| 628 | | - $sk->revUserTools( $this->mNewRev ) . "<br/>" . $sk->revComment( $this->mNewRev ) . $nextlink . "</div>\n";
|
| 629 | | -
|
| 630 | | - $wgOut->addHTML( $header );
|
| 631 | | -
|
| 632 | | - $wgOut->setSubtitle( wfMsgExt( 'difference', array( 'parseinline' ) ) );
|
| 633 | | - $wgOut->setRobotPolicy( 'noindex,nofollow' );
|
| 634 | | -
|
| 635 | | - wfProfileOut( __METHOD__ );
|
| 636 | | - }
|
| 637 | | -
|
| 638 | | - function htmlDiffArgument(){
|
| 639 | | - global $wgEnableHtmlDiff;
|
| 640 | | - if($wgEnableHtmlDiff){
|
| 641 | | - if($this->htmldiff){
|
| 642 | | - return array( 'htmldiff' => 1 );
|
| 643 | | - }else{
|
| 644 | | - return array( 'htmldiff' => 0 );
|
| 645 | | - }
|
| 646 | | - }else{
|
| 647 | | - return array();
|
| 648 | | - }
|
| 649 | | - }
|
| 650 | | -
|
| 651 | | - /**
|
| 652 | | - * Get the diff text, send it to $wgOut
|
| 653 | | - * Returns false if the diff could not be generated, otherwise returns true
|
| 654 | | - */
|
| 655 | | - function showDiff( $otitle, $ntitle ) {
|
| 656 | | - global $wgOut;
|
| 657 | | - $diff = $this->getDiff( $otitle, $ntitle );
|
| 658 | | - if ( $diff === false ) {
|
| 659 | | - $wgOut->addWikiMsg( 'missing-article', "<nowiki>(fixme, bug)</nowiki>", '' );
|
| 660 | | - return false;
|
| 661 | | - } else {
|
| 662 | | - $this->showDiffStyle();
|
| 663 | | - $wgOut->addHTML( $diff );
|
| 664 | | - return true;
|
| 665 | | - }
|
| 666 | | - }
|
| 667 | | -
|
| 668 | | - /**
|
| 669 | | - * Add style sheets and supporting JS for diff display.
|
| 670 | | - */
|
| 671 | | - function showDiffStyle() {
|
| 672 | | - global $wgStylePath, $wgStyleVersion, $wgOut;
|
| 673 | | - $wgOut->addStyle( 'common/diff.css' );
|
| 674 | | -
|
| 675 | | - // JS is needed to detect old versions of Mozilla to work around an annoyance bug.
|
| 676 | | - $wgOut->addScript( "<script type=\"text/javascript\" src=\"$wgStylePath/common/diff.js?$wgStyleVersion\"></script>" );
|
| 677 | | - }
|
| 678 | | -
|
| 679 | | - /**
|
| 680 | | - * Get complete diff table, including header
|
| 681 | | - *
|
| 682 | | - * @param Title $otitle Old title
|
| 683 | | - * @param Title $ntitle New title
|
| 684 | | - * @return mixed
|
| 685 | | - */
|
| 686 | | - function getDiff( $otitle, $ntitle ) {
|
| 687 | | - $body = $this->getDiffBody();
|
| 688 | | - if ( $body === false ) {
|
| 689 | | - return false;
|
| 690 | | - } else {
|
| 691 | | - $multi = $this->getMultiNotice();
|
| 692 | | - return $this->addHeader( $body, $otitle, $ntitle, $multi );
|
| 693 | | - }
|
| 694 | | - }
|
| 695 | | -
|
| 696 | | - /**
|
| 697 | | - * Get the diff table body, without header
|
| 698 | | - *
|
| 699 | | - * @return mixed
|
| 700 | | - */
|
| 701 | | - function getDiffBody() {
|
| 702 | | - global $wgMemc;
|
| 703 | | - wfProfileIn( __METHOD__ );
|
| 704 | | - $this->mCacheHit = true;
|
| 705 | | - // Check if the diff should be hidden from this user
|
| 706 | | - if ( !$this->loadRevisionData() )
|
| 707 | | - return '';
|
| 708 | | - if ( $this->mOldRev && !$this->mOldRev->userCan(Revision::DELETED_TEXT) ) {
|
| 709 | | - return '';
|
| 710 | | - } else if ( $this->mNewRev && !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) {
|
| 711 | | - return '';
|
| 712 | | - } else if ( $this->mOldRev && $this->mNewRev && $this->mOldRev->getID() == $this->mNewRev->getID() ) {
|
| 713 | | - return '';
|
| 714 | | - }
|
| 715 | | - // Cacheable?
|
| 716 | | - $key = false;
|
| 717 | | - if ( $this->mOldid && $this->mNewid ) {
|
| 718 | | - $key = wfMemcKey( 'diff', 'version', MW_DIFF_VERSION, 'oldid', $this->mOldid, 'newid', $this->mNewid );
|
| 719 | | - // Try cache
|
| 720 | | - if ( !$this->mRefreshCache ) {
|
| 721 | | - $difftext = $wgMemc->get( $key );
|
| 722 | | - if ( $difftext ) {
|
| 723 | | - wfIncrStats( 'diff_cache_hit' );
|
| 724 | | - $difftext = $this->localiseLineNumbers( $difftext );
|
| 725 | | - $difftext .= "\n<!-- diff cache key $key -->\n";
|
| 726 | | - wfProfileOut( __METHOD__ );
|
| 727 | | - return $difftext;
|
| 728 | | - }
|
| 729 | | - } // don't try to load but save the result
|
| 730 | | - }
|
| 731 | | - $this->mCacheHit = false;
|
| 732 | | -
|
| 733 | | - // Loadtext is permission safe, this just clears out the diff
|
| 734 | | - if ( !$this->loadText() ) {
|
| 735 | | - wfProfileOut( __METHOD__ );
|
| 736 | | - return false;
|
| 737 | | - }
|
| 738 | | -
|
| 739 | | - $difftext = $this->generateDiffBody( $this->mOldtext, $this->mNewtext );
|
| 740 | | -
|
| 741 | | - // Save to cache for 7 days
|
| 742 | | - if ( !wfRunHooks( 'AbortDiffCache', array( &$this ) ) ) {
|
| 743 | | - wfIncrStats( 'diff_uncacheable' );
|
| 744 | | - } else if ( $key !== false && $difftext !== false ) {
|
| 745 | | - wfIncrStats( 'diff_cache_miss' );
|
| 746 | | - $wgMemc->set( $key, $difftext, 7*86400 );
|
| 747 | | - } else {
|
| 748 | | - wfIncrStats( 'diff_uncacheable' );
|
| 749 | | - }
|
| 750 | | - // Replace line numbers with the text in the user's language
|
| 751 | | - if ( $difftext !== false ) {
|
| 752 | | - $difftext = $this->localiseLineNumbers( $difftext );
|
| 753 | | - }
|
| 754 | | - wfProfileOut( __METHOD__ );
|
| 755 | | - return $difftext;
|
| 756 | | - }
|
| 757 | | -
|
| 758 | | - /**
|
| 759 | | - * Make sure the proper modules are loaded before we try to
|
| 760 | | - * make the diff
|
| 761 | | - */
|
| 762 | | - private function initDiffEngines() {
|
| 763 | | - global $wgExternalDiffEngine;
|
| 764 | | - if ( $wgExternalDiffEngine == 'wikidiff' && !function_exists( 'wikidiff_do_diff' ) ) {
|
| 765 | | - wfProfileIn( __METHOD__ . '-php_wikidiff.so' );
|
| 766 | | - wfSuppressWarnings();
|
| 767 | | - dl( 'php_wikidiff.so' );
|
| 768 | | - wfRestoreWarnings();
|
| 769 | | - wfProfileOut( __METHOD__ . '-php_wikidiff.so' );
|
| 770 | | - }
|
| 771 | | - else if ( $wgExternalDiffEngine == 'wikidiff2' && !function_exists( 'wikidiff2_do_diff' ) ) {
|
| 772 | | - wfProfileIn( __METHOD__ . '-php_wikidiff2.so' );
|
| 773 | | - wfSuppressWarnings();
|
| 774 | | - dl( 'php_wikidiff2.so' );
|
| 775 | | - wfRestoreWarnings();
|
| 776 | | - wfProfileOut( __METHOD__ . '-php_wikidiff2.so' );
|
| 777 | | - }
|
| 778 | | - }
|
| 779 | | -
|
| 780 | | - /**
|
| 781 | | - * Generate a diff, no caching
|
| 782 | | - * $otext and $ntext must be already segmented
|
| 783 | | - */
|
| 784 | | - function generateDiffBody( $otext, $ntext ) {
|
| 785 | | - global $wgExternalDiffEngine, $wgContLang;
|
| 786 | | -
|
| 787 | | - $otext = str_replace( "\r\n", "\n", $otext );
|
| 788 | | - $ntext = str_replace( "\r\n", "\n", $ntext );
|
| 789 | | -
|
| 790 | | - $this->initDiffEngines();
|
| 791 | | -
|
| 792 | | - if ( $wgExternalDiffEngine == 'wikidiff' && function_exists( 'wikidiff_do_diff' ) ) {
|
| 793 | | - # For historical reasons, external diff engine expects
|
| 794 | | - # input text to be HTML-escaped already
|
| 795 | | - $otext = htmlspecialchars ( $wgContLang->segmentForDiff( $otext ) );
|
| 796 | | - $ntext = htmlspecialchars ( $wgContLang->segmentForDiff( $ntext ) );
|
| 797 | | - return $wgContLang->unsegementForDiff( wikidiff_do_diff( $otext, $ntext, 2 ) ) .
|
| 798 | | - $this->debug( 'wikidiff1' );
|
| 799 | | - }
|
| 800 | | -
|
| 801 | | - if ( $wgExternalDiffEngine == 'wikidiff2' && function_exists( 'wikidiff2_do_diff' ) ) {
|
| 802 | | - # Better external diff engine, the 2 may some day be dropped
|
| 803 | | - # This one does the escaping and segmenting itself
|
| 804 | | - wfProfileIn( 'wikidiff2_do_diff' );
|
| 805 | | - $text = wikidiff2_do_diff( $otext, $ntext, 2 );
|
| 806 | | - $text .= $this->debug( 'wikidiff2' );
|
| 807 | | - wfProfileOut( 'wikidiff2_do_diff' );
|
| 808 | | - return $text;
|
| 809 | | - }
|
| 810 | | - if ( $wgExternalDiffEngine != 'wikidiff3' && $wgExternalDiffEngine !== false ) {
|
| 811 | | - # Diff via the shell
|
| 812 | | - global $wgTmpDirectory;
|
| 813 | | - $tempName1 = tempnam( $wgTmpDirectory, 'diff_' );
|
| 814 | | - $tempName2 = tempnam( $wgTmpDirectory, 'diff_' );
|
| 815 | | -
|
| 816 | | - $tempFile1 = fopen( $tempName1, "w" );
|
| 817 | | - if ( !$tempFile1 ) {
|
| 818 | | - wfProfileOut( __METHOD__ );
|
| 819 | | - return false;
|
| 820 | | - }
|
| 821 | | - $tempFile2 = fopen( $tempName2, "w" );
|
| 822 | | - if ( !$tempFile2 ) {
|
| 823 | | - wfProfileOut( __METHOD__ );
|
| 824 | | - return false;
|
| 825 | | - }
|
| 826 | | - fwrite( $tempFile1, $otext );
|
| 827 | | - fwrite( $tempFile2, $ntext );
|
| 828 | | - fclose( $tempFile1 );
|
| 829 | | - fclose( $tempFile2 );
|
| 830 | | - $cmd = wfEscapeShellArg( $wgExternalDiffEngine, $tempName1, $tempName2 );
|
| 831 | | - wfProfileIn( __METHOD__ . "-shellexec" );
|
| 832 | | - $difftext = wfShellExec( $cmd );
|
| 833 | | - $difftext .= $this->debug( "external $wgExternalDiffEngine" );
|
| 834 | | - wfProfileOut( __METHOD__ . "-shellexec" );
|
| 835 | | - unlink( $tempName1 );
|
| 836 | | - unlink( $tempName2 );
|
| 837 | | - return $difftext;
|
| 838 | | - }
|
| 839 | | -
|
| 840 | | - # Native PHP diff
|
| 841 | | - $ota = explode( "\n", $wgContLang->segmentForDiff( $otext ) );
|
| 842 | | - $nta = explode( "\n", $wgContLang->segmentForDiff( $ntext ) );
|
| 843 | | - $diffs = new Diff( $ota, $nta );
|
| 844 | | - $formatter = new TableDiffFormatter();
|
| 845 | | - return $wgContLang->unsegmentForDiff( $formatter->format( $diffs ) ) .
|
| 846 | | - $this->debug();
|
| 847 | | - }
|
| 848 | | -
|
| 849 | | - /**
|
| 850 | | - * Generate a debug comment indicating diff generating time,
|
| 851 | | - * server node, and generator backend.
|
| 852 | | - */
|
| 853 | | - protected function debug( $generator="internal" ) {
|
| 854 | | - global $wgShowHostnames;
|
| 855 | | - if ( !$this->enableDebugComment ) {
|
| 856 | | - return '';
|
| 857 | | - }
|
| 858 | | - $data = array( $generator );
|
| 859 | | - if( $wgShowHostnames ) {
|
| 860 | | - $data[] = wfHostname();
|
| 861 | | - }
|
| 862 | | - $data[] = wfTimestamp( TS_DB );
|
| 863 | | - return "<!-- diff generator: " .
|
| 864 | | - implode( " ",
|
| 865 | | - array_map(
|
| 866 | | - "htmlspecialchars",
|
| 867 | | - $data ) ) .
|
| 868 | | - " -->\n";
|
| 869 | | - }
|
| 870 | | -
|
| 871 | | - /**
|
| 872 | | - * Replace line numbers with the text in the user's language
|
| 873 | | - */
|
| 874 | | - function localiseLineNumbers( $text ) {
|
| 875 | | - return preg_replace_callback( '/<!--LINE (\d+)-->/',
|
| 876 | | - array( &$this, 'localiseLineNumbersCb' ), $text );
|
| 877 | | - }
|
| 878 | | -
|
| 879 | | - function localiseLineNumbersCb( $matches ) {
|
| 880 | | - global $wgLang;
|
| 881 | | - if ( $matches[1] === '1' && $this->mReducedLineNumbers ) return '';
|
| 882 | | - return wfMsgExt( 'lineno', 'escape', $wgLang->formatNum( $matches[1] ) );
|
| 883 | | - }
|
| 884 | | -
|
| 885 | | -
|
| 886 | | - /**
|
| 887 | | - * If there are revisions between the ones being compared, return a note saying so.
|
| 888 | | - */
|
| 889 | | - function getMultiNotice() {
|
| 890 | | - if ( !is_object($this->mOldRev) || !is_object($this->mNewRev) )
|
| 891 | | - return '';
|
| 892 | | -
|
| 893 | | - if( !$this->mOldPage->equals( $this->mNewPage ) ) {
|
| 894 | | - // Comparing two different pages? Count would be meaningless.
|
| 895 | | - return '';
|
| 896 | | - }
|
| 897 | | -
|
| 898 | | - $oldid = $this->mOldRev->getId();
|
| 899 | | - $newid = $this->mNewRev->getId();
|
| 900 | | - if ( $oldid > $newid ) {
|
| 901 | | - $tmp = $oldid; $oldid = $newid; $newid = $tmp;
|
| 902 | | - }
|
| 903 | | -
|
| 904 | | - $n = $this->mTitle->countRevisionsBetween( $oldid, $newid );
|
| 905 | | - if ( !$n )
|
| 906 | | - return '';
|
| 907 | | -
|
| 908 | | - return wfMsgExt( 'diff-multi', array( 'parseinline' ), $n );
|
| 909 | | - }
|
| 910 | | -
|
| 911 | | -
|
| 912 | | - /**
|
| 913 | | - * Add the header to a diff body
|
| 914 | | - */
|
| 915 | | - static function addHeader( $diff, $otitle, $ntitle, $multi = '' ) {
|
| 916 | | - $colspan = 1;
|
| 917 | | - $header = "<table class='diff'>";
|
| 918 | | - if( $diff ) { // Safari/Chrome show broken output if cols not used
|
| 919 | | - $header .= "
|
| 920 | | - <col class='diff-marker' />
|
| 921 | | - <col class='diff-content' />
|
| 922 | | - <col class='diff-marker' />
|
| 923 | | - <col class='diff-content' />";
|
| 924 | | - $colspan = 2;
|
| 925 | | - }
|
| 926 | | - $header .= "
|
| 927 | | - <tr valign='top'>
|
| 928 | | - <td colspan='$colspan' class='diff-otitle'>{$otitle}</td>
|
| 929 | | - <td colspan='$colspan' class='diff-ntitle'>{$ntitle}</td>
|
| 930 | | - </tr>";
|
| 931 | | -
|
| 932 | | - if ( $multi != '' )
|
| 933 | | - $header .= "<tr><td colspan='4' align='center' class='diff-multi'>{$multi}</td></tr>";
|
| 934 | | -
|
| 935 | | - return $header . $diff . "</table>";
|
| 936 | | - }
|
| 937 | | -
|
| 938 | | - /**
|
| 939 | | - * Use specified text instead of loading from the database
|
| 940 | | - */
|
| 941 | | - function setText( $oldText, $newText ) {
|
| 942 | | - $this->mOldtext = $oldText;
|
| 943 | | - $this->mNewtext = $newText;
|
| 944 | | - $this->mTextLoaded = 2;
|
| 945 | | - $this->mRevisionsLoaded = true;
|
| 946 | | - }
|
| 947 | | -
|
| 948 | | - /**
|
| 949 | | - * Load revision metadata for the specified articles. If newid is 0, then compare
|
| 950 | | - * the old article in oldid to the current article; if oldid is 0, then
|
| 951 | | - * compare the current article to the immediately previous one (ignoring the
|
| 952 | | - * value of newid).
|
| 953 | | - *
|
| 954 | | - * If oldid is false, leave the corresponding revision object set
|
| 955 | | - * to false. This is impossible via ordinary user input, and is provided for
|
| 956 | | - * API convenience.
|
| 957 | | - */
|
| 958 | | - function loadRevisionData() {
|
| 959 | | - global $wgLang, $wgUser;
|
| 960 | | - if ( $this->mRevisionsLoaded ) {
|
| 961 | | - return true;
|
| 962 | | - } else {
|
| 963 | | - // Whether it succeeds or fails, we don't want to try again
|
| 964 | | - $this->mRevisionsLoaded = true;
|
| 965 | | - }
|
| 966 | | -
|
| 967 | | - // Load the new revision object
|
| 968 | | - $this->mNewRev = $this->mNewid
|
| 969 | | - ? Revision::newFromId( $this->mNewid )
|
| 970 | | - : Revision::newFromTitle( $this->mTitle );
|
| 971 | | - if( !$this->mNewRev instanceof Revision )
|
| 972 | | - return false;
|
| 973 | | -
|
| 974 | | - // Update the new revision ID in case it was 0 (makes life easier doing UI stuff)
|
| 975 | | - $this->mNewid = $this->mNewRev->getId();
|
| 976 | | -
|
| 977 | | - // Check if page is editable
|
| 978 | | - $editable = $this->mNewRev->getTitle()->userCan( 'edit' );
|
| 979 | | -
|
| 980 | | - // Set assorted variables
|
| 981 | | - $timestamp = $wgLang->timeanddate( $this->mNewRev->getTimestamp(), true );
|
| 982 | | - $dateofrev = $wgLang->date( $this->mNewRev->getTimestamp(), true );
|
| 983 | | - $timeofrev = $wgLang->time( $this->mNewRev->getTimestamp(), true );
|
| 984 | | - $this->mNewPage = $this->mNewRev->getTitle();
|
| 985 | | - if( $this->mNewRev->isCurrent() ) {
|
| 986 | | - $newLink = $this->mNewPage->escapeLocalUrl( array(
|
| 987 | | - 'oldid' => $this->mNewid
|
| 988 | | - ) );
|
| 989 | | - $this->mPagetitle = htmlspecialchars( wfMsg(
|
| 990 | | - 'currentrev-asof',
|
| 991 | | - $timestamp,
|
| 992 | | - $dateofrev,
|
| 993 | | - $timeofrev
|
| 994 | | - ) );
|
| 995 | | - $newEdit = $this->mNewPage->escapeLocalUrl( array(
|
| 996 | | - 'action' => 'edit'
|
| 997 | | - ) );
|
| 998 | | -
|
| 999 | | - $this->mNewtitle = "<a href='$newLink'>{$this->mPagetitle}</a>";
|
| 1000 | | - $this->mNewtitle .= " (<a href='$newEdit'>" . wfMsgHtml( $editable ? 'editold' : 'viewsourceold' ) . "</a>)";
|
| 1001 | | - } else {
|
| 1002 | | - $newLink = $this->mNewPage->escapeLocalUrl( array(
|
| 1003 | | - 'oldid' => $this->mNewid
|
| 1004 | | - ) );
|
| 1005 | | - $newEdit = $this->mNewPage->escapeLocalUrl( array(
|
| 1006 | | - 'action' => 'edit',
|
| 1007 | | - 'oldid' => $this->mNewid
|
| 1008 | | - ) );
|
| 1009 | | - $this->mPagetitle = htmlspecialchars( wfMsg(
|
| 1010 | | - 'revisionasof',
|
| 1011 | | - $timestamp,
|
| 1012 | | - $dateofrev,
|
| 1013 | | - $timeofrev
|
| 1014 | | - ) );
|
| 1015 | | -
|
| 1016 | | - $this->mNewtitle = "<a href='$newLink'>{$this->mPagetitle}</a>";
|
| 1017 | | - $this->mNewtitle .= " (<a href='$newEdit'>" . wfMsgHtml( $editable ? 'editold' : 'viewsourceold' ) . "</a>)";
|
| 1018 | | - }
|
| 1019 | | - if( !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) {
|
| 1020 | | - $this->mNewtitle = "<span class='history-deleted'>{$this->mPagetitle}</span>";
|
| 1021 | | - } else if ( $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) {
|
| 1022 | | - $this->mNewtitle = "<span class='history-deleted'>{$this->mNewtitle}</span>";
|
| 1023 | | - }
|
| 1024 | | -
|
| 1025 | | - // Load the old revision object
|
| 1026 | | - $this->mOldRev = false;
|
| 1027 | | - if( $this->mOldid ) {
|
| 1028 | | - $this->mOldRev = Revision::newFromId( $this->mOldid );
|
| 1029 | | - } elseif ( $this->mOldid === 0 ) {
|
| 1030 | | - $rev = $this->mNewRev->getPrevious();
|
| 1031 | | - if( $rev ) {
|
| 1032 | | - $this->mOldid = $rev->getId();
|
| 1033 | | - $this->mOldRev = $rev;
|
| 1034 | | - } else {
|
| 1035 | | - // No previous revision; mark to show as first-version only.
|
| 1036 | | - $this->mOldid = false;
|
| 1037 | | - $this->mOldRev = false;
|
| 1038 | | - }
|
| 1039 | | - }/* elseif ( $this->mOldid === false ) leave mOldRev false; */
|
| 1040 | | -
|
| 1041 | | - if( is_null( $this->mOldRev ) ) {
|
| 1042 | | - return false;
|
| 1043 | | - }
|
| 1044 | | -
|
| 1045 | | - if ( $this->mOldRev ) {
|
| 1046 | | - $this->mOldPage = $this->mOldRev->getTitle();
|
| 1047 | | -
|
| 1048 | | - $t = $wgLang->timeanddate( $this->mOldRev->getTimestamp(), true );
|
| 1049 | | - $dateofrev = $wgLang->date( $this->mOldRev->getTimestamp(), true );
|
| 1050 | | - $timeofrev = $wgLang->time( $this->mOldRev->getTimestamp(), true );
|
| 1051 | | - $oldLink = $this->mOldPage->escapeLocalUrl( array(
|
| 1052 | | - 'oldid' => $this->mOldid
|
| 1053 | | - ) );
|
| 1054 | | - $oldEdit = $this->mOldPage->escapeLocalUrl( array(
|
| 1055 | | - 'action' => 'edit',
|
| 1056 | | - 'oldid' => $this->mOldid
|
| 1057 | | - ) );
|
| 1058 | | - $this->mOldPagetitle = htmlspecialchars( wfMsg( 'revisionasof', $t, $dateofrev, $timeofrev ) );
|
| 1059 | | -
|
| 1060 | | - $this->mOldtitle = "<a href='$oldLink'>{$this->mOldPagetitle}</a>"
|
| 1061 | | - . " (<a href='$oldEdit'>" . wfMsgHtml( $editable ? 'editold' : 'viewsourceold' ) . "</a>)";
|
| 1062 | | - // Add an "undo" link
|
| 1063 | | - $newUndo = $this->mNewPage->escapeLocalUrl( array(
|
| 1064 | | - 'action' => 'edit',
|
| 1065 | | - 'undoafter' => $this->mOldid,
|
| 1066 | | - 'undo' => $this->mNewid
|
| 1067 | | - ) );
|
| 1068 | | - $htmlLink = htmlspecialchars( wfMsg( 'editundo' ) );
|
| 1069 | | - $htmlTitle = $wgUser->getSkin()->tooltip( 'undo' );
|
| 1070 | | - if( $editable && !$this->mOldRev->isDeleted( Revision::DELETED_TEXT ) && !$this->mNewRev->isDeleted( Revision::DELETED_TEXT ) ) {
|
| 1071 | | - $this->mNewtitle .= " (<a href='$newUndo' $htmlTitle>" . $htmlLink . "</a>)";
|
| 1072 | | - }
|
| 1073 | | -
|
| 1074 | | - if( !$this->mOldRev->userCan( Revision::DELETED_TEXT ) ) {
|
| 1075 | | - $this->mOldtitle = '<span class="history-deleted">' . $this->mOldPagetitle . '</span>';
|
| 1076 | | - } else if( $this->mOldRev->isDeleted( Revision::DELETED_TEXT ) ) {
|
| 1077 | | - $this->mOldtitle = '<span class="history-deleted">' . $this->mOldtitle . '</span>';
|
| 1078 | | - }
|
| 1079 | | - }
|
| 1080 | | -
|
| 1081 | | - return true;
|
| 1082 | | - }
|
| 1083 | | -
|
| 1084 | | - /**
|
| 1085 | | - * Load the text of the revisions, as well as revision data.
|
| 1086 | | - */
|
| 1087 | | - function loadText() {
|
| 1088 | | - if ( $this->mTextLoaded == 2 ) {
|
| 1089 | | - return true;
|
| 1090 | | - } else {
|
| 1091 | | - // Whether it succeeds or fails, we don't want to try again
|
| 1092 | | - $this->mTextLoaded = 2;
|
| 1093 | | - }
|
| 1094 | | -
|
| 1095 | | - if ( !$this->loadRevisionData() ) {
|
| 1096 | | - return false;
|
| 1097 | | - }
|
| 1098 | | - if ( $this->mOldRev ) {
|
| 1099 | | - $this->mOldtext = $this->mOldRev->getText( Revision::FOR_THIS_USER );
|
| 1100 | | - if ( $this->mOldtext === false ) {
|
| 1101 | | - return false;
|
| 1102 | | - }
|
| 1103 | | - }
|
| 1104 | | - if ( $this->mNewRev ) {
|
| 1105 | | - $this->mNewtext = $this->mNewRev->getText( Revision::FOR_THIS_USER );
|
| 1106 | | - if ( $this->mNewtext === false ) {
|
| 1107 | | - return false;
|
| 1108 | | - }
|
| 1109 | | - }
|
| 1110 | | - return true;
|
| 1111 | | - }
|
| 1112 | | -
|
| 1113 | | - /**
|
| 1114 | | - * Load the text of the new revision, not the old one
|
| 1115 | | - */
|
| 1116 | | - function loadNewText() {
|
| 1117 | | - if ( $this->mTextLoaded >= 1 ) {
|
| 1118 | | - return true;
|
| 1119 | | - } else {
|
| 1120 | | - $this->mTextLoaded = 1;
|
| 1121 | | - }
|
| 1122 | | - if ( !$this->loadRevisionData() ) {
|
| 1123 | | - return false;
|
| 1124 | | - }
|
| 1125 | | - $this->mNewtext = $this->mNewRev->getText( Revision::FOR_THIS_USER );
|
| 1126 | | - return true;
|
| 1127 | | - }
|
| 1128 | | -}
|
| | 2 | +<?php |
| | 3 | +/** |
| | 4 | + * @defgroup DifferenceEngine DifferenceEngine |
| | 5 | + */ |
| | 6 | + |
| | 7 | +/** |
| | 8 | + * Constant to indicate diff cache compatibility. |
| | 9 | + * Bump this when changing the diff formatting in a way that |
| | 10 | + * fixes important bugs or such to force cached diff views to |
| | 11 | + * clear. |
| | 12 | + */ |
| | 13 | +define( 'MW_DIFF_VERSION', '1.11a' ); |
| | 14 | + |
| | 15 | +/** |
| | 16 | + * @todo document |
| | 17 | + * @ingroup DifferenceEngine |
| | 18 | + */ |
| | 19 | +class DifferenceEngine { |
| | 20 | + /**#@+ |
| | 21 | + * @private |
| | 22 | + */ |
| | 23 | + var $mOldid, $mNewid, $mTitle; |
| | 24 | + var $mOldtitle, $mNewtitle, $mPagetitle; |
| | 25 | + var $mOldtext, $mNewtext; |
| | 26 | + var $mOldPage, $mNewPage; |
| | 27 | + var $mRcidMarkPatrolled; |
| | 28 | + var $mOldRev, $mNewRev; |
| | 29 | + var $mRevisionsLoaded = false; // Have the revisions been loaded |
| | 30 | + var $mTextLoaded = 0; // How many text blobs have been loaded, 0, 1 or 2? |
| | 31 | + var $mCacheHit = false; // Was the diff fetched from cache? |
| | 32 | + var $htmldiff; |
| | 33 | + |
| | 34 | + /** |
| | 35 | + * Set this to true to add debug info to the HTML output. |
| | 36 | + * Warning: this may cause RSS readers to spuriously mark articles as "new" |
| | 37 | + * (bug 20601) |
| | 38 | + */ |
| | 39 | + var $enableDebugComment = false; |
| | 40 | + |
| | 41 | + // If true, line X is not displayed when X is 1, for example to increase |
| | 42 | + // readability and conserve space with many small diffs. |
| | 43 | + protected $mReducedLineNumbers = false; |
| | 44 | + |
| | 45 | + protected $unhide = false; |
| | 46 | + /**#@-*/ |
| | 47 | + |
| | 48 | + /** |
| | 49 | + * Constructor |
| | 50 | + * @param $titleObj Title object that the diff is associated with |
| | 51 | + * @param $old Integer: old ID we want to show and diff with. |
| | 52 | + * @param $new String: either 'prev' or 'next'. |
| | 53 | + * @param $rcid Integer: ??? FIXME (default 0) |
| | 54 | + * @param $refreshCache boolean If set, refreshes the diff cache |
| | 55 | + * @param $htmldiff boolean If set, output using HTMLDiff instead of raw wikicode diff |
| | 56 | + * @param $unhide boolean If set, allow viewing deleted revs |
| | 57 | + */ |
| | 58 | + function __construct( $titleObj = null, $old = 0, $new = 0, $rcid = 0, |
| | 59 | + $refreshCache = false, $htmldiff = false, $unhide = false ) |
| | 60 | + { |
| | 61 | + if ( $titleObj ) { |
| | 62 | + $this->mTitle = $titleObj; |
| | 63 | + } else { |
| | 64 | + global $wgTitle; |
| | 65 | + $this->mTitle = $wgTitle; |
| | 66 | + } |
| | 67 | + wfDebug("DifferenceEngine old '$old' new '$new' rcid '$rcid'\n"); |
| | 68 | + |
| | 69 | + if ( 'prev' === $new ) { |
| | 70 | + # Show diff between revision $old and the previous one. |
| | 71 | + # Get previous one from DB. |
| | 72 | + $this->mNewid = intval($old); |
| | 73 | + $this->mOldid = $this->mTitle->getPreviousRevisionID( $this->mNewid ); |
| | 74 | + } elseif ( 'next' === $new ) { |
| | 75 | + # Show diff between revision $old and the next one. |
| | 76 | + # Get next one from DB. |
| | 77 | + $this->mOldid = intval($old); |
| | 78 | + $this->mNewid = $this->mTitle->getNextRevisionID( $this->mOldid ); |
| | 79 | + if ( false === $this->mNewid ) { |
| | 80 | + # if no result, NewId points to the newest old revision. The only newer |
| | 81 | + # revision is cur, which is "0". |
| | 82 | + $this->mNewid = 0; |
| | 83 | + } |
| | 84 | + } else { |
| | 85 | + $this->mOldid = intval($old); |
| | 86 | + $this->mNewid = intval($new); |
| | 87 | + wfRunHooks( 'NewDifferenceEngine', array(&$titleObj, &$this->mOldid, &$this->mNewid, $old, $new) ); |
| | 88 | + } |
| | 89 | + $this->mRcidMarkPatrolled = intval($rcid); # force it to be an integer |
| | 90 | + $this->mRefreshCache = $refreshCache; |
| | 91 | + $this->htmldiff = $htmldiff; |
| | 92 | + $this->unhide = $unhide; |
| | 93 | + } |
| | 94 | + |
| | 95 | + function setReducedLineNumbers( $value = true ) { |
| | 96 | + $this->mReducedLineNumbers = $value; |
| | 97 | + } |
| | 98 | + |
| | 99 | + function getTitle() { |
| | 100 | + return $this->mTitle; |
| | 101 | + } |
| | 102 | + |
| | 103 | + function wasCacheHit() { |
| | 104 | + return $this->mCacheHit; |
| | 105 | + } |
| | 106 | + |
| | 107 | + function getOldid() { |
| | 108 | + return $this->mOldid; |
| | 109 | + } |
| | 110 | + |
| | 111 | + function getNewid() { |
| | 112 | + return $this->mNewid; |
| | 113 | + } |
| | 114 | + |
| | 115 | + function showDiffPage( $diffOnly = false ) { |
| | 116 | + global $wgUser, $wgOut, $wgUseExternalEditor, $wgUseRCPatrol, $wgEnableHtmlDiff; |
| | 117 | + wfProfileIn( __METHOD__ ); |
| | 118 | + |
| | 119 | + |
| | 120 | + # If external diffs are enabled both globally and for the user, |
| | 121 | + # we'll use the application/x-external-editor interface to call |
| | 122 | + # an external diff tool like kompare, kdiff3, etc. |
| | 123 | + if($wgUseExternalEditor && $wgUser->getOption('externaldiff')) { |
| | 124 | + global $wgInputEncoding,$wgServer,$wgScript,$wgLang; |
| | 125 | + $wgOut->disable(); |
| | 126 | + header ( "Content-type: application/x-external-editor; charset=".$wgInputEncoding ); |
| | 127 | + $url1=$this->mTitle->getFullURL( array( |
| | 128 | + 'action' => 'raw', |
| | 129 | + 'oldid' => $this->mOldid |
| | 130 | + ) ); |
| | 131 | + $url2=$this->mTitle->getFullURL( array( |
| | 132 | + 'action' => 'raw', |
| | 133 | + 'oldid' => $this->mNewid |
| | 134 | + ) ); |
| | 135 | + $special=$wgLang->getNsText(NS_SPECIAL); |
| | 136 | + $control=<<<CONTROL |
| | 137 | + [Process] |
| | 138 | + Type=Diff text |
| | 139 | + Engine=MediaWiki |
| | 140 | + Script={$wgServer}{$wgScript} |
| | 141 | + Special namespace={$special} |
| | 142 | + |
| | 143 | + [File] |
| | 144 | + Extension=wiki |
| | 145 | + URL=$url1 |
| | 146 | + |
| | 147 | + [File 2] |
| | 148 | + Extension=wiki |
| | 149 | + URL=$url2 |
| | 150 | +CONTROL; |
| | 151 | + echo($control); |
| | 152 | + return; |
| | 153 | + } |
| | 154 | + |
| | 155 | + $wgOut->setArticleFlag( false ); |
| | 156 | + if ( !$this->loadRevisionData() ) { |
| | 157 | + $t = $this->mTitle->getPrefixedText(); |
| | 158 | + $d = wfMsgExt( 'missingarticle-diff', array( 'escape' ), $this->mOldid, $this->mNewid ); |
| | 159 | + $wgOut->setPagetitle( wfMsg( 'errorpagetitle' ) ); |
| | 160 | + $wgOut->addWikiMsg( 'missing-article', "<nowiki>$t</nowiki>", $d ); |
| | 161 | + wfProfileOut( __METHOD__ ); |
| | 162 | + return; |
| | 163 | + } |
| | 164 | + |
| | 165 | + wfRunHooks( 'DiffViewHeader', array( $this, $this->mOldRev, $this->mNewRev ) ); |
| | 166 | + |
| | 167 | + if ( $this->mNewRev->isCurrent() ) { |
| | 168 | + $wgOut->setArticleFlag( true ); |
| | 169 | + } |
| | 170 | + |
| | 171 | + # mOldid is false if the difference engine is called with a "vague" query for |
| | 172 | + # a diff between a version V and its previous version V' AND the version V |
| | 173 | + # is the first version of that article. In that case, V' does not exist. |
| | 174 | + if ( $this->mOldid === false ) { |
| | 175 | + $this->showFirstRevision(); |
| | 176 | + $this->renderNewRevision(); // should we respect $diffOnly here or not? |
| | 177 | + wfProfileOut( __METHOD__ ); |
| | 178 | + return; |
| | 179 | + } |
| | 180 | + |
| | 181 | + $wgOut->suppressQuickbar(); |
| | 182 | + |
| | 183 | + $oldTitle = $this->mOldPage->getPrefixedText(); |
| | 184 | + $newTitle = $this->mNewPage->getPrefixedText(); |
| | 185 | + if( $oldTitle == $newTitle ) { |
| | 186 | + $wgOut->setPageTitle( $newTitle ); |
| | 187 | + } else { |
| | 188 | + $wgOut->setPageTitle( $oldTitle . ', ' . $newTitle ); |
| | 189 | + } |
| | 190 | + $wgOut->setSubtitle( wfMsgExt( 'difference', array( 'parseinline' ) ) ); |
| | 191 | + $wgOut->setRobotPolicy( 'noindex,nofollow' ); |
| | 192 | + |
| | 193 | + if ( !$this->mOldPage->userCanRead() || !$this->mNewPage->userCanRead() ) { |
| | 194 | + $wgOut->loginToUse(); |
| | 195 | + $wgOut->output(); |
| | 196 | + $wgOut->disable(); |
| | 197 | + wfProfileOut( __METHOD__ ); |
| | 198 | + return; |
| | 199 | + } |
| | 200 | + |
| | 201 | + $sk = $wgUser->getSkin(); |
| | 202 | + |
| | 203 | + // Check if page is editable |
| | 204 | + $editable = $this->mNewRev->getTitle()->userCan( 'edit' ); |
| | 205 | + if ( $editable && $this->mNewRev->isCurrent() && $wgUser->isAllowed( 'rollback' ) ) { |
| | 206 | + $rollback = ' ' . $sk->generateRollback( $this->mNewRev ); |
| | 207 | + } else { |
| | 208 | + $rollback = ''; |
| | 209 | + } |
| | 210 | + |
| | 211 | + // Prepare a change patrol link, if applicable |
| | 212 | + if( $wgUseRCPatrol && $this->mTitle->userCan('patrol') ) { |
| | 213 | + // If we've been given an explicit change identifier, use it; saves time |
| | 214 | + if( $this->mRcidMarkPatrolled ) { |
| | 215 | + $rcid = $this->mRcidMarkPatrolled; |
| | 216 | + $rc = RecentChange::newFromId( $rcid ); |
| | 217 | + // Already patrolled? |
| | 218 | + $rcid = is_object($rc) && !$rc->getAttribute('rc_patrolled') ? $rcid : 0; |
| | 219 | + } else { |
| | 220 | + // Look for an unpatrolled change corresponding to this diff |
| | 221 | + $db = wfGetDB( DB_SLAVE ); |
| | 222 | + $change = RecentChange::newFromConds( |
| | 223 | + array( |
| | 224 | + // Redundant user,timestamp condition so we can use the existing index |
| | 225 | + 'rc_user_text' => $this->mNewRev->getRawUserText(), |
| | 226 | + 'rc_timestamp' => $db->timestamp( $this->mNewRev->getTimestamp() ), |
| | 227 | + 'rc_this_oldid' => $this->mNewid, |
| | 228 | + 'rc_last_oldid' => $this->mOldid, |
| | 229 | + 'rc_patrolled' => 0 |
| | 230 | + ), |
| | 231 | + __METHOD__ |
| | 232 | + ); |
| | 233 | + if( $change instanceof RecentChange ) { |
| | 234 | + $rcid = $change->mAttribs['rc_id']; |
| | 235 | + $this->mRcidMarkPatrolled = $rcid; |
| | 236 | + } else { |
| | 237 | + // None found |
| | 238 | + $rcid = 0; |
| | 239 | + } |
| | 240 | + } |
| | 241 | + // Build the link |
| | 242 | + if( $rcid ) { |
| | 243 | + $patrol = ' <span class="patrollink">[' . $sk->link( |
| | 244 | + $this->mTitle, |
| | 245 | + wfMsgHtml( 'markaspatrolleddiff' ), |
| | 246 | + array(), |
| | 247 | + array( |
| | 248 | + 'action' => 'markpatrolled', |
| | 249 | + 'rcid' => $rcid |
| | 250 | + ), |
| | 251 | + array( |
| | 252 | + 'known', |
| | 253 | + 'noclasses' |
| | 254 | + ) |
| | 255 | + ) . ']</span>'; |
| | 256 | + } else { |
| | 257 | + $patrol = ''; |
| | 258 | + } |
| | 259 | + } else { |
| | 260 | + $patrol = ''; |
| | 261 | + } |
| | 262 | + |
| | 263 | + # Carry over 'diffonly' param via navigation links |
| | 264 | + if( $diffOnly != $wgUser->getBoolOption('diffonly') ) { |
| | 265 | + $query['diffonly'] = $diffOnly; |
| | 266 | + } |
| | 267 | + |
| | 268 | + $htmldiffarg = $this->htmlDiffArgument(); |
| | 269 | + |
| | 270 | + if( $htmldiffarg ) { |
| | 271 | + $query['htmldiff'] = $htmldiffarg['htmldiff']; |
| | 272 | + } |
| | 273 | + |
| | 274 | + # Make "previous revision link" |
| | 275 | + $query['diff'] = 'prev'; |
| | 276 | + $query['oldid'] = $this->mOldid; |
| | 277 | + |
| | 278 | + $prevlink = $sk->link( |
| | 279 | + $this->mTitle, |
| | 280 | + wfMsgHtml( 'previousdiff' ), |
| | 281 | + array( |
| | 282 | + 'id' => 'differences-prevlink' |
| | 283 | + ), |
| | 284 | + $query, |
| | 285 | + array( |
| | 286 | + 'known', |
| | 287 | + 'noclasses' |
| | 288 | + ) |
| | 289 | + ); |
| | 290 | + # Make "next revision link" |
| | 291 | + $query['diff'] = 'next'; |
| | 292 | + $query['oldid'] = $this->mNewid; |
| | 293 | + |
| | 294 | + if( $this->mNewRev->isCurrent() ) { |
| | 295 | + $nextlink = ' '; |
| | 296 | + } else { |
| | 297 | + $nextlink = $sk->link( |
| | 298 | + $this->mTitle, |
| | 299 | + wfMsgHtml( 'nextdiff' ), |
| | 300 | + array( |
| | 301 | + 'id' => 'differences-nextlink' |
| | 302 | + ), |
| | 303 | + $query, |
| | 304 | + array( |
| | 305 | + 'known', |
| | 306 | + 'noclasses' |
| | 307 | + ) |
| | 308 | + ); |
| | 309 | + } |
| | 310 | + |
| | 311 | + $oldminor = ''; |
| | 312 | + $newminor = ''; |
| | 313 | + |
| | 314 | + if( $this->mOldRev->isMinor() ) { |
| | 315 | + $oldminor = ChangesList::flag( 'minor' ); |
| | 316 | + } |
| | 317 | + if( $this->mNewRev->isMinor() ) { |
| | 318 | + $newminor = ChangesList::flag( 'minor' ); |
| | 319 | + } |
| | 320 | + |
| | 321 | + $rdel = ''; $ldel = ''; |
| | 322 | + if( $wgUser->isAllowed( 'deletedhistory' ) ) { |
| | 323 | + // Don't show useless link to people who cannot hide revisions |
| | 324 | + if( $this->mOldRev->getVisibility() || $wgUser->isAllowed( 'deleterevision' ) ) { |
| | 325 | + if( !$this->mOldRev->userCan( Revision::DELETED_RESTRICTED ) ) { |
| | 326 | + // If revision was hidden from sysops |
| | 327 | + $ldel = Xml::tags( 'span', array( 'class' => 'mw-revdelundel-link' ), |
| | 328 | + '(' . wfMsgHtml( 'rev-delundel' ) . ')' ); |
| | 329 | + } else { |
| | 330 | + $query = array( |
| | 331 | + 'type' => 'revision', |
| | 332 | + 'target' => $this->mOldRev->mTitle->getPrefixedDbkey(), |
| | 333 | + 'ids' => $this->mOldRev->getId() |
| | 334 | + ); |
| | 335 | + $ldel = $sk->revDeleteLink( $query, $this->mOldRev->isDeleted( Revision::DELETED_RESTRICTED ) ); |
| | 336 | + } |
| | 337 | + $ldel = " $ldel "; |
| | 338 | + } |
| | 339 | + // Don't show useless link to people who cannot hide revisions |
| | 340 | + if( $this->mNewRev->getVisibility() || $wgUser->isAllowed( 'deleterevision' ) ) { |
| | 341 | + if( !$this->mNewRev->userCan( Revision::DELETED_RESTRICTED ) ) { |
| | 342 | + // If revision was hidden from sysops |
| | 343 | + $rdel = Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ), '('.wfMsgHtml( 'rev-delundel' ).')' ); |
| | 344 | + } else { |
| | 345 | + $query = array( |
| | 346 | + 'type' => 'revision', |
| | 347 | + 'target' => $this->mNewRev->mTitle->getPrefixedDbkey(), |
| | 348 | + 'ids' => $this->mNewRev->getId() |
| | 349 | + ); |
| | 350 | + $rdel = $sk->revDeleteLink( $query, $this->mNewRev->isDeleted( Revision::DELETED_RESTRICTED ) ); |
| | 351 | + } |
| | 352 | + $rdel = " $rdel "; |
| | 353 | + } |
| | 354 | + } |
| | 355 | + |
| | 356 | + $oldHeader = '<div id="mw-diff-otitle1"><strong>'.$this->mOldtitle.'</strong></div>' . |
| | 357 | + '<div id="mw-diff-otitle2">' . $sk->revUserTools( $this->mOldRev, !$this->unhide ) . "</div>" . |
| | 358 | + '<div id="mw-diff-otitle3">' . $oldminor . $sk->revComment( $this->mOldRev, !$diffOnly, !$this->unhide ).$ldel."</div>" . |
| | 359 | + '<div id="mw-diff-otitle4">' . $prevlink .'</div>'; |
| | 360 | + $newHeader = '<div id="mw-diff-ntitle1"><strong>'.$this->mNewtitle.'</strong></div>' . |
| | 361 | + '<div id="mw-diff-ntitle2">' . $sk->revUserTools( $this->mNewRev, !$this->unhide ) . " $rollback</div>" . |
| | 362 | + '<div id="mw-diff-ntitle3">' . $newminor . $sk->revComment( $this->mNewRev, !$diffOnly, !$this->unhide ).$rdel."</div>" . |
| | 363 | + '<div id="mw-diff-ntitle4">' . $nextlink . $patrol . '</div>'; |
| | 364 | + |
| | 365 | + # Check if this user can see the revisions |
| | 366 | + $allowed = $this->mOldRev->userCan(Revision::DELETED_TEXT) |
| | 367 | + && $this->mNewRev->userCan(Revision::DELETED_TEXT); |
| | 368 | + # Check if one of the revisions is deleted/suppressed |
| | 369 | + $deleted = $suppressed = false; |
| | 370 | + if( $this->mOldRev->isDeleted(Revision::DELETED_TEXT) ) { |
| | 371 | + $deleted = true; // old revisions text is hidden |
| | 372 | + if( $this->mOldRev->isDeleted(Revision::DELETED_RESTRICTED) ) |
| | 373 | + $suppressed = true; // also suppressed |
| | 374 | + } |
| | 375 | + if( $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) { |
| | 376 | + $deleted = true; // new revisions text is hidden |
| | 377 | + if( $this->mNewRev->isDeleted(Revision::DELETED_RESTRICTED) ) |
| | 378 | + $suppressed = true; // also suppressed |
| | 379 | + } |
| | 380 | + # Output the diff if allowed... |
| | 381 | + if( $deleted && (!$this->unhide || !$allowed) ) { |
| | 382 | + $this->showDiffStyle(); |
| | 383 | + $multi = $this->getMultiNotice(); |
| | 384 | + $wgOut->addHTML( $this->addHeader( '', $oldHeader, $newHeader, $multi ) ); |
| | 385 | + if( !$allowed ) { |
| | 386 | + # Give explanation for why revision is not visible |
| | 387 | + $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", |
| | 388 | + array( 'rev-deleted-no-diff' ) ); |
| | 389 | + } else { |
| | 390 | + # Give explanation and add a link to view the diff... |
| | 391 | + $link = $this->mTitle->getFullUrl( array( |
| | 392 | + 'diff' => $this->mNewid, |
| | 393 | + 'oldid' => $this->mOldid, |
| | 394 | + 'unhide' => 1 |
| | 395 | + ) ); |
| | 396 | + $msg = $suppressed ? 'rev-suppressed-unhide-diff' : 'rev-deleted-unhide-diff'; |
| | 397 | + $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", array( $msg, $link ) ); |
| | 398 | + } |
| | 399 | + } else if( $wgEnableHtmlDiff && $this->htmldiff ) { |
| | 400 | + $multi = $this->getMultiNotice(); |
| | 401 | + $wgOut->addHTML( '<div class="diff-switchtype">' . $sk->link( |
| | 402 | + $this->mTitle, |
| | 403 | + wfMsgHtml( 'wikicodecomparison' ), |
| | 404 | + array( |
| | 405 | + 'id' => 'differences-switchtype' |
| | 406 | + ), |
| | 407 | + array( |
| | 408 | + 'diff' => $this->mNewid, |
| | 409 | + 'oldid' => $this->mOldid, |
| | 410 | + 'htmldiff' => 0 |
| | 411 | + ), |
| | 412 | + array( |
| | 413 | + 'known', |
| | 414 | + 'noclasses' |
| | 415 | + ) |
| | 416 | + ) . '</div>'); |
| | 417 | + $wgOut->addHTML( $this->addHeader( '', $oldHeader, $newHeader, $multi ) ); |
| | 418 | + $this->renderHtmlDiff(); |
| | 419 | + } else { |
| | 420 | + if( $wgEnableHtmlDiff ) { |
| | 421 | + $wgOut->addHTML( '<div class="diff-switchtype">' . $sk->link( |
| | 422 | + $this->mTitle, |
| | 423 | + wfMsgHtml( 'visualcomparison' ), |
| | 424 | + array( |
| | 425 | + 'id' => 'differences-switchtype' |
| | 426 | + ), |
| | 427 | + array( |
| | 428 | + 'diff' => $this->mNewid, |
| | 429 | + 'oldid' => $this->mOldid, |
| | 430 | + 'htmldiff' => 1 |
| | 431 | + ), |
| | 432 | + array( |
| | 433 | + 'known', |
| | 434 | + 'noclasses' |
| | 435 | + ) |
| | 436 | + ) . '</div>'); |
| | 437 | + } |
| | 438 | + $this->showDiff( $oldHeader, $newHeader ); |
| | 439 | + if( !$diffOnly ) { |
| | 440 | + $this->renderNewRevision(); |
| | 441 | + } |
| | 442 | + } |
| | 443 | + wfProfileOut( __METHOD__ ); |
| | 444 | + } |
| | 445 | + |
| | 446 | + /** |
| | 447 | + * Show the new revision of the page. |
| | 448 | + */ |
| | 449 | + function renderNewRevision() { |
| | 450 | + global $wgOut, $wgUser; |
| | 451 | + wfProfileIn( __METHOD__ ); |
| | 452 | + |
| | 453 | + $wgOut->addHTML( "<hr /><h2>{$this->mPagetitle}</h2>\n" ); |
| | 454 | + # Add deleted rev tag if needed |
| | 455 | + if( !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) { |
| | 456 | + $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-permission' ); |
| | 457 | + } else if( $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) { |
| | 458 | + $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-view' ); |
| | 459 | + } |
| | 460 | + |
| | 461 | + if( !$this->mNewRev->isCurrent() ) { |
| | 462 | + $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false ); |
| | 463 | + } |
| | 464 | + |
| | 465 | + $this->loadNewText(); |
| | 466 | + if( is_object( $this->mNewRev ) ) { |
| | 467 | + $wgOut->setRevisionId( $this->mNewRev->getId() ); |
| | 468 | + } |
| | 469 | + |
| | 470 | + if( $this->mTitle->isCssJsSubpage() || $this->mTitle->isCssOrJsPage() ) { |
| | 471 | + // Stolen from Article::view --AG 2007-10-11 |
| | 472 | + // Give hooks a chance to customise the output |
| | 473 | + if( wfRunHooks( 'ShowRawCssJs', array( $this->mNewtext, $this->mTitle, $wgOut ) ) ) { |
| | 474 | + // Wrap the whole lot in a <pre> and don't parse |
| | 475 | + $m = array(); |
| | 476 | + preg_match( '!\.(css|js)$!u', $this->mTitle->getText(), $m ); |
| | 477 | + $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" ); |
| | 478 | + $wgOut->addHTML( htmlspecialchars( $this->mNewtext ) ); |
| | 479 | + $wgOut->addHTML( "\n</pre>\n" ); |
| | 480 | + } |
| | 481 | + } else { |
| | 482 | + $wgOut->addWikiTextTidy( $this->mNewtext ); |
| | 483 | + } |
| | 484 | + |
| | 485 | + if( is_object( $this->mNewRev ) && !$this->mNewRev->isCurrent() ) { |
| | 486 | + $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting ); |
| | 487 | + } |
| | 488 | + # Add redundant patrol link on bottom... |
| | 489 | + if( $this->mRcidMarkPatrolled && $this->mTitle->quickUserCan('patrol') ) { |
| | 490 | + $sk = $wgUser->getSkin(); |
| | 491 | + $wgOut->addHTML( |
| | 492 | + "<div class='patrollink'>[" . $sk->link( |
| | 493 | + $this->mTitle, |
| | 494 | + wfMsgHtml( 'markaspatrolleddiff' ), |
| | 495 | + array(), |
| | 496 | + array( |
| | 497 | + 'action' => 'markpatrolled', |
| | 498 | + 'rcid' => $this->mRcidMarkPatrolled |
| | 499 | + ) |
| | 500 | + ) . ']</div>' |
| | 501 | + ); |
| | 502 | + } |
| | 503 | + |
| | 504 | + wfProfileOut( __METHOD__ ); |
| | 505 | + } |
| | 506 | + |
| | 507 | + |
| | 508 | + function renderHtmlDiff() { |
| | 509 | + global $wgOut, $wgParser, $wgDebugComments; |
| | 510 | + wfProfileIn( __METHOD__ ); |
| | 511 | + |
| | 512 | + $this->showDiffStyle(); |
| | 513 | + |
| | 514 | + $wgOut->addHTML( '<h2>'.wfMsgHtml( 'visual-comparison' )."</h2>\n" ); |
| | 515 | + #add deleted rev tag if needed |
| | 516 | + if( !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) { |
| | 517 | + $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-permission' ); |
| | 518 | + } else if( $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) { |
| | 519 | + $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", 'rev-deleted-text-view' ); |
| | 520 | + } |
| | 521 | + |
| | 522 | + if( !$this->mNewRev->isCurrent() ) { |
| | 523 | + $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false ); |
| | 524 | + } |
| | 525 | + |
| | 526 | + $this->loadText(); |
| | 527 | + |
| | 528 | + // Old revision |
| | 529 | + if( is_object( $this->mOldRev ) ) { |
| | 530 | + $wgOut->setRevisionId( $this->mOldRev->getId() ); |
| | 531 | + } |
| | 532 | + |
| | 533 | + $popts = $wgOut->parserOptions(); |
| | 534 | + $oldTidy = $popts->setTidy( true ); |
| | 535 | + $popts->setEditSection( false ); |
| | 536 | + |
| | 537 | + $parserOutput = $wgParser->parse( $this->mOldtext, $this->getTitle(), $popts, true, true, $wgOut->getRevisionId() ); |
| | 538 | + $popts->setTidy( $oldTidy ); |
| | 539 | + |
| | 540 | + //only for new? |
| | 541 | + //$wgOut->addParserOutputNoText( $parserOutput ); |
| | 542 | + $oldHtml = $parserOutput->getText(); |
| | 543 | + wfRunHooks( 'OutputPageBeforeHTML', array( &$wgOut, &$oldHtml ) ); |
| | 544 | + |
| | 545 | + // New revision |
| | 546 | + if( is_object( $this->mNewRev ) ) { |
| | 547 | + $wgOut->setRevisionId( $this->mNewRev->getId() ); |
| | 548 | + } |
| | 549 | + |
| | 550 | + $popts = $wgOut->parserOptions(); |
| | 551 | + $oldTidy = $popts->setTidy( true ); |
| | 552 | + |
| | 553 | + $parserOutput = $wgParser->parse( $this->mNewtext, $this->getTitle(), $popts, true, true, $wgOut->getRevisionId() ); |
| | 554 | + $popts->setTidy( $oldTidy ); |
| | 555 | + |
| | 556 | + $wgOut->addParserOutputNoText( $parserOutput ); |
| | 557 | + $newHtml = $parserOutput->getText(); |
| | 558 | + wfRunHooks( 'OutputPageBeforeHTML', array( &$wgOut, &$newHtml ) ); |
| | 559 | + |
| | 560 | + unset($parserOutput, $popts); |
| | 561 | + |
| | 562 | + $differ = new HTMLDiffer(new DelegatingContentHandler($wgOut)); |
| | 563 | + $differ->htmlDiff($oldHtml, $newHtml); |
| | 564 | + if ( $wgDebugComments ) { |
| | 565 | + $wgOut->addHTML( "\n<!-- HtmlDiff Debug Output:\n" . HTMLDiffer::getDebugOutput() . " End Debug -->" ); |
| | 566 | + } |
| | 567 | + |
| | 568 | + wfProfileOut( __METHOD__ ); |
| | 569 | + } |
| | 570 | + |
| | 571 | + /** |
| | 572 | + * Show the first revision of an article. Uses normal diff headers in |
| | 573 | + * contrast to normal "old revision" display style. |
| | 574 | + */ |
| | 575 | + function showFirstRevision() { |
| | 576 | + global $wgOut, $wgUser; |
| | 577 | + wfProfileIn( __METHOD__ ); |
| | 578 | + |
| | 579 | + # Get article text from the DB |
| | 580 | + # |
| | 581 | + if ( ! $this->loadNewText() ) { |
| | 582 | + $t = $this->mTitle->getPrefixedText(); |
| | 583 | + $d = wfMsgExt( 'missingarticle-diff', array( 'escape' ), $this->mOldid, $this->mNewid ); |
| | 584 | + $wgOut->setPagetitle( wfMsg( 'errorpagetitle' ) ); |
| | 585 | + $wgOut->addWikiMsg( 'missing-article', "<nowiki>$t</nowiki>", $d ); |
| | 586 | + wfProfileOut( __METHOD__ ); |
| | 587 | + return; |
| | 588 | + } |
| | 589 | + if ( $this->mNewRev->isCurrent() ) { |
| | 590 | + $wgOut->setArticleFlag( true ); |
| | 591 | + } |
| | 592 | + |
| | 593 | + # Check if user is allowed to look at this page. If not, bail out. |
| | 594 | + # |
| | 595 | + if ( !$this->mTitle->userCanRead() ) { |
| | 596 | + $wgOut->loginToUse(); |
| | 597 | + $wgOut->output(); |
| | 598 | + wfProfileOut( __METHOD__ ); |
| | 599 | + throw new MWException("Permission Error: you do not have access to view this page"); |
| | 600 | + } |
| | 601 | + |
| | 602 | + # Prepare the header box |
| | 603 | + # |
| | 604 | + $sk = $wgUser->getSkin(); |
| | 605 | + |
| | 606 | + $next = $this->mTitle->getNextRevisionID( $this->mNewid ); |
| | 607 | + if( !$next ) { |
| | 608 | + $nextlink = ''; |
| | 609 | + } else { |
| | 610 | + $nextlink = '<br/>' . $sk->link( |
| | 611 | + $this->mTitle, |
| | 612 | + wfMsgHtml( 'nextdiff' ), |
| | 613 | + array( |
| | 614 | + 'id' => 'differences-nextlink' |
| | 615 | + ), |
| | 616 | + array( |
| | 617 | + 'diff' => 'next', |
| | 618 | + 'oldid' => $this->mNewid, |
| | 619 | + $this->htmlDiffArgument() |
| | 620 | + ), |
| | 621 | + array( |
| | 622 | + 'known', |
| | 623 | + 'noclasses' |
| | 624 | + ) |
| | 625 | + ); |
| | 626 | + } |
| | 627 | + $header = "<div class=\"firstrevisionheader\" style=\"text-align: center\">" . |
| | 628 | + $sk->revUserTools( $this->mNewRev ) . "<br/>" . $sk->revComment( $this->mNewRev ) . $nextlink . "</div>\n"; |
| | 629 | + |
| | 630 | + $wgOut->addHTML( $header ); |
| | 631 | + |
| | 632 | + $wgOut->setSubtitle( wfMsgExt( 'difference', array( 'parseinline' ) ) ); |
| | 633 | + $wgOut->setRobotPolicy( 'noindex,nofollow' ); |
| | 634 | + |
| | 635 | + wfProfileOut( __METHOD__ ); |
| | 636 | + } |
| | 637 | + |
| | 638 | + function htmlDiffArgument(){ |
| | 639 | + global $wgEnableHtmlDiff; |
| | 640 | + if($wgEnableHtmlDiff){ |
| | 641 | + if($this->htmldiff){ |
| | 642 | + return array( 'htmldiff' => 1 ); |
| | 643 | + }else{ |
| | 644 | + return array( 'htmldiff' => 0 ); |
| | 645 | + } |
| | 646 | + }else{ |
| | 647 | + return array(); |
| | 648 | + } |
| | 649 | + } |
| | 650 | + |
| | 651 | + /** |
| | 652 | + * Get the diff text, send it to $wgOut |
| | 653 | + * Returns false if the diff could not be generated, otherwise returns true |
| | 654 | + */ |
| | 655 | + function showDiff( $otitle, $ntitle ) { |
| | 656 | + global $wgOut; |
| | 657 | + $diff = $this->getDiff( $otitle, $ntitle ); |
| | 658 | + if ( $diff === false ) { |
| | 659 | + $wgOut->addWikiMsg( 'missing-article', "<nowiki>(fixme, bug)</nowiki>", '' ); |
| | 660 | + return false; |
| | 661 | + } else { |
| | 662 | + $this->showDiffStyle(); |
| | 663 | + $wgOut->addHTML( $diff ); |
| | 664 | + return true; |
| | 665 | + } |
| | 666 | + } |
| | 667 | + |
| | 668 | + /** |
| | 669 | + * Add style sheets and supporting JS for diff display. |
| | 670 | + */ |
| | 671 | + function showDiffStyle() { |
| | 672 | + global $wgStylePath, $wgStyleVersion, $wgOut; |
| | 673 | + $wgOut->addStyle( 'common/diff.css' ); |
| | 674 | + |
| | 675 | + // JS is needed to detect old versions of Mozilla to work around an annoyance bug. |
| | 676 | + $wgOut->addScript( "<script type=\"text/javascript\" src=\"$wgStylePath/common/diff.js?$wgStyleVersion\"></script>" ); |
| | 677 | + } |
| | 678 | + |
| | 679 | + /** |
| | 680 | + * Get complete diff table, including header |
| | 681 | + * |
| | 682 | + * @param Title $otitle Old title |
| | 683 | + * @param Title $ntitle New title |
| | 684 | + * @return mixed |
| | 685 | + */ |
| | 686 | + function getDiff( $otitle, $ntitle ) { |
| | 687 | + $body = $this->getDiffBody(); |
| | 688 | + if ( $body === false ) { |
| | 689 | + return false; |
| | 690 | + } else { |
| | 691 | + $multi = $this->getMultiNotice(); |
| | 692 | + return $this->addHeader( $body, $otitle, $ntitle, $multi ); |
| | 693 | + } |
| | 694 | + } |
| | 695 | + |
| | 696 | + /** |
| | 697 | + * Get the diff table body, without header |
| | 698 | + * |
| | 699 | + * @return mixed |
| | 700 | + */ |
| | 701 | + function getDiffBody() { |
| | 702 | + global $wgMemc; |
| | 703 | + wfProfileIn( __METHOD__ ); |
| | 704 | + $this->mCacheHit = true; |
| | 705 | + // Check if the diff should be hidden from this user |
| | 706 | + if ( !$this->loadRevisionData() ) |
| | 707 | + return ''; |
| | 708 | + if ( $this->mOldRev && !$this->mOldRev->userCan(Revision::DELETED_TEXT) ) { |
| | 709 | + return ''; |
| | 710 | + } else if ( $this->mNewRev && !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) { |
| | 711 | + return ''; |
| | 712 | + } else if ( $this->mOldRev && $this->mNewRev && $this->mOldRev->getID() == $this->mNewRev->getID() ) { |
| | 713 | + return ''; |
| | 714 | + } |
| | 715 | + // Cacheable? |
| | 716 | + $key = false; |
| | 717 | + if ( $this->mOldid && $this->mNewid ) { |
| | 718 | + $key = wfMemcKey( 'diff', 'version', MW_DIFF_VERSION, 'oldid', $this->mOldid, 'newid', $this->mNewid ); |
| | 719 | + // Try cache |
| | 720 | + if ( !$this->mRefreshCache ) { |
| | 721 | + $difftext = $wgMemc->get( $key ); |
| | 722 | + if ( $difftext ) { |
| | 723 | + wfIncrStats( 'diff_cache_hit' ); |
| | 724 | + $difftext = $this->localiseLineNumbers( $difftext ); |
| | 725 | + $difftext .= "\n<!-- diff cache key $key -->\n"; |
| | 726 | + wfProfileOut( __METHOD__ ); |
| | 727 | + return $difftext; |
| | 728 | + } |
| | 729 | + } // don't try to load but save the result |
| | 730 | + } |
| | 731 | + $this->mCacheHit = false; |
| | 732 | + |
| | 733 | + // Loadtext is permission safe, this just clears out the diff |
| | 734 | + if ( !$this->loadText() ) { |
| | 735 | + wfProfileOut( __METHOD__ ); |
| | 736 | + return false; |
| | 737 | + } |
| | 738 | + |
| | 739 | + $difftext = $this->generateDiffBody( $this->mOldtext, $this->mNewtext ); |
| | 740 | + |
| | 741 | + // Save to cache for 7 days |
| | 742 | + if ( !wfRunHooks( 'AbortDiffCache', array( &$this ) ) ) { |
| | 743 | + wfIncrStats( 'diff_uncacheable' ); |
| | 744 | + } else if ( $key !== false && $difftext !== false ) { |
| | 745 | + wfIncrStats( 'diff_cache_miss' ); |
| | 746 | + $wgMemc->set( $key, $difftext, 7*86400 ); |
| | 747 | + } else { |
| | 748 | + wfIncrStats( 'diff_uncacheable' ); |
| | 749 | + } |
| | 750 | + // Replace line numbers with the text in the user's language |
| | 751 | + if ( $difftext !== false ) { |
| | 752 | + $difftext = $this->localiseLineNumbers( $difftext ); |
| | 753 | + } |
| | 754 | + wfProfileOut( __METHOD__ ); |
| | 755 | + return $difftext; |
| | 756 | + } |
| | 757 | + |
| | 758 | + /** |
| | 759 | + * Make sure the proper modules are loaded before we try to |
| | 760 | + * make the diff |
| | 761 | + */ |
| | 762 | + private function initDiffEngines() { |
| | 763 | + global $wgExternalDiffEngine; |
| | 764 | + if ( $wgExternalDiffEngine == 'wikidiff' && !function_exists( 'wikidiff_do_diff' ) ) { |
| | 765 | + wfProfileIn( __METHOD__ . '-php_wikidiff.so' ); |
| | 766 | + wfSuppressWarnings(); |
| | 767 | + dl( 'php_wikidiff.so' ); |
| | 768 | + wfRestoreWarnings(); |
| | 769 | + wfProfileOut( __METHOD__ . '-php_wikidiff.so' ); |
| | 770 | + } |
| | 771 | + else if ( $wgExternalDiffEngine == 'wikidiff2' && !function_exists( 'wikidiff2_do_diff' ) ) { |
| | 772 | + wfProfileIn( __METHOD__ . '-php_wikidiff2.so' ); |
| | 773 | + wfSuppressWarnings(); |
| | 774 | + dl( 'php_wikidiff2.so' ); |
| | 775 | + wfRestoreWarnings(); |
| | 776 | + wfProfileOut( __METHOD__ . '-php_wikidiff2.so' ); |
| | 777 | + } |
| | 778 | + } |
| | 779 | + |
| | 780 | + /** |
| | 781 | + * Generate a diff, no caching |
| | 782 | + * $otext and $ntext must be already segmented |
| | 783 | + */ |
| | 784 | + function generateDiffBody( $otext, $ntext ) { |
| | 785 | + global $wgExternalDiffEngine, $wgContLang; |
| | 786 | + |
| | 787 | + $otext = str_replace( "\r\n", "\n", $otext ); |
| | 788 | + $ntext = str_replace( "\r\n", "\n", $ntext ); |
| | 789 | + |
| | 790 | + $this->initDiffEngines(); |
| | 791 | + |
| | 792 | + if ( $wgExternalDiffEngine == 'wikidiff' && function_exists( 'wikidiff_do_diff' ) ) { |
| | 793 | + # For historical reasons, external diff engine expects |
| | 794 | + # input text to be HTML-escaped already |
| | 795 | + $otext = htmlspecialchars ( $wgContLang->segmentForDiff( $otext ) ); |
| | 796 | + $ntext = htmlspecialchars ( $wgContLang->segmentForDiff( $ntext ) ); |
| | 797 | + return $wgContLang->unsegementForDiff( wikidiff_do_diff( $otext, $ntext, 2 ) ) . |
| | 798 | + $this->debug( 'wikidiff1' ); |
| | 799 | + } |
| | 800 | + |
| | 801 | + if ( $wgExternalDiffEngine == 'wikidiff2' && function_exists( 'wikidiff2_do_diff' ) ) { |
| | 802 | + # Better external diff engine, the 2 may some day be dropped |
| | 803 | + # This one does the escaping and segmenting itself |
| | 804 | + wfProfileIn( 'wikidiff2_do_diff' ); |
| | 805 | + $text = wikidiff2_do_diff( $otext, $ntext, 2 ); |
| | 806 | + $text .= $this->debug( 'wikidiff2' ); |
| | 807 | + wfProfileOut( 'wikidiff2_do_diff' ); |
| | 808 | + return $text; |
| | 809 | + } |
| | 810 | + if ( $wgExternalDiffEngine != 'wikidiff3' && $wgExternalDiffEngine !== false ) { |
| | 811 | + # Diff via the shell |
| | 812 | + global $wgTmpDirectory; |
| | 813 | + $tempName1 = tempnam( $wgTmpDirectory, 'diff_' ); |
| | 814 | + $tempName2 = tempnam( $wgTmpDirectory, 'diff_' ); |
| | 815 | + |
| | 816 | + $tempFile1 = fopen( $tempName1, "w" ); |
| | 817 | + if ( !$tempFile1 ) { |
| | 818 | + wfProfileOut( __METHOD__ ); |
| | 819 | + return false; |
| | 820 | + } |
| | 821 | + $tempFile2 = fopen( $tempName2, "w" ); |
| | 822 | + if ( !$tempFile2 ) { |
| | 823 | + wfProfileOut( __METHOD__ ); |
| | 824 | + return false; |
| | 825 | + } |
| | 826 | + fwrite( $tempFile1, $otext ); |
| | 827 | + fwrite( $tempFile2, $ntext ); |
| | 828 | + fclose( $tempFile1 ); |
| | 829 | + fclose( $tempFile2 ); |
| | 830 | + $cmd = wfEscapeShellArg( $wgExternalDiffEngine, $tempName1, $tempName2 ); |
| | 831 | + wfProfileIn( __METHOD__ . "-shellexec" ); |
| | 832 | + $difftext = wfShellExec( $cmd ); |
| | 833 | + $difftext .= $this->debug( "external $wgExternalDiffEngine" ); |
| | 834 | + wfProfileOut( __METHOD__ . "-shellexec" ); |
| | 835 | + unlink( $tempName1 ); |
| | 836 | + unlink( $tempName2 ); |
| | 837 | + return $difftext; |
| | 838 | + } |
| | 839 | + |
| | 840 | + # Native PHP diff |
| | 841 | + $ota = explode( "\n", $wgContLang->segmentForDiff( $otext ) ); |
| | 842 | + $nta = explode( "\n", $wgContLang->segmentForDiff( $ntext ) ); |
| | 843 | + $diffs = new Diff( $ota, $nta ); |
| | 844 | + $formatter = new TableDiffFormatter(); |
| | 845 | + return $wgContLang->unsegmentForDiff( $formatter->format( $diffs ) ) . |
| | 846 | + $this->debug(); |
| | 847 | + } |
| | 848 | + |
| | 849 | + /** |
| | 850 | + * Generate a debug comment indicating diff generating time, |
| | 851 | + * server node, and generator backend. |
| | 852 | + */ |
| | 853 | + protected function debug( $generator="internal" ) { |
| | 854 | + global $wgShowHostnames; |
| | 855 | + if ( !$this->enableDebugComment ) { |
| | 856 | + return ''; |
| | 857 | + } |
| | 858 | + $data = array( $generator ); |
| | 859 | + if( $wgShowHostnames ) { |
| | 860 | + $data[] = wfHostname(); |
| | 861 | + } |
| | 862 | + $data[] = wfTimestamp( TS_DB ); |
| | 863 | + return "<!-- diff generator: " . |
| | 864 | + implode( " ", |
| | 865 | + array_map( |
| | 866 | + "htmlspecialchars", |
| | 867 | + $data ) ) . |
| | 868 | + " -->\n"; |
| | 869 | + } |
| | 870 | + |
| | 871 | + /** |
| | 872 | + * Replace line numbers with the text in the user's language |
| | 873 | + */ |
| | 874 | + function localiseLineNumbers( $text ) { |
| | 875 | + return preg_replace_callback( '/<!--LINE (\d+)-->/', |
| | 876 | + array( &$this, 'localiseLineNumbersCb' ), $text ); |
| | 877 | + } |
| | 878 | + |
| | 879 | + function localiseLineNumbersCb( $matches ) { |
| | 880 | + global $wgLang; |
| | 881 | + if ( $matches[1] === '1' && $this->mReducedLineNumbers ) return ''; |
| | 882 | + return wfMsgExt( 'lineno', 'escape', $wgLang->formatNum( $matches[1] ) ); |
| | 883 | + } |
| | 884 | + |
| | 885 | + |
| | 886 | + /** |
| | 887 | + * If there are revisions between the ones being compared, return a note saying so. |
| | 888 | + */ |
| | 889 | + function getMultiNotice() { |
| | 890 | + if ( !is_object($this->mOldRev) || !is_object($this->mNewRev) ) |
| | 891 | + return ''; |
| | 892 | + |
| | 893 | + if( !$this->mOldPage->equals( $this->mNewPage ) ) { |
| | 894 | + // Comparing two different pages? Count would be meaningless. |
| | 895 | + return ''; |
| | 896 | + } |
| | 897 | + |
| | 898 | + $oldid = $this->mOldRev->getId(); |
| | 899 | + $newid = $this->mNewRev->getId(); |
| | 900 | + if ( $oldid > $newid ) { |
| | 901 | + $tmp = $oldid; $oldid = $newid; $newid = $tmp; |
| | 902 | + } |
| | 903 | + |
| | 904 | + $n = $this->mTitle->countRevisionsBetween( $oldid, $newid ); |
| | 905 | + if ( !$n ) |
| | 906 | + return ''; |
| | 907 | + |
| | 908 | + return wfMsgExt( 'diff-multi', array( 'parseinline' ), $n ); |
| | 909 | + } |
| | 910 | + |
| | 911 | + |
| | 912 | + /** |
| | 913 | + * Add the header to a diff body |
| | 914 | + */ |
| | 915 | + static function addHeader( $diff, $otitle, $ntitle, $multi = '' ) { |
| | 916 | + $colspan = 1; |
| | 917 | + $header = "<table class='diff'>"; |
| | 918 | + if( $diff ) { // Safari/Chrome show broken output if cols not used |
| | 919 | + $header .= " |
| | 920 | + <col class='diff-marker' /> |
| | 921 | + <col class='diff-content' /> |
| | 922 | + <col class='diff-marker' /> |
| | 923 | + <col class='diff-content' />"; |
| | 924 | + $colspan = 2; |
| | 925 | + } |
| | 926 | + $header .= " |
| | 927 | + <tr valign='top'> |
| | 928 | + <td colspan='$colspan' class='diff-otitle'>{$otitle}</td> |
| | 929 | + <td colspan='$colspan' class='diff-ntitle'>{$ntitle}</td> |
| | 930 | + </tr>"; |
| | 931 | + |
| | 932 | + if ( $multi != '' ) |
| | 933 | + $header .= "<tr><td colspan='4' align='center' class='diff-multi'>{$multi}</td></tr>"; |
| | 934 | + |
| | 935 | + return $header . $diff . "</table>"; |
| | 936 | + } |
| | 937 | + |
| | 938 | + /** |
| | 939 | + * Use specified text instead of loading from the database |
| | 940 | + */ |
| | 941 | + function setText( $oldText, $newText ) { |
| | 942 | + $this->mOldtext = $oldText; |
| | 943 | + $this->mNewtext = $newText; |
| | 944 | + $this->mTextLoaded = 2; |
| | 945 | + $this->mRevisionsLoaded = true; |
| | 946 | + } |
| | 947 | + |
| | 948 | + /** |
| | 949 | + * Load revision metadata for the specified articles. If newid is 0, then compare |
| | 950 | + * the old article in oldid to the current article; if oldid is 0, then |
| | 951 | + * compare the current article to the immediately previous one (ignoring the |
| | 952 | + * value of newid). |
| | 953 | + * |
| | 954 | + * If oldid is false, leave the corresponding revision object set |
| | 955 | + * to false. This is impossible via ordinary user input, and is provided for |
| | 956 | + * API convenience. |
| | 957 | + */ |
| | 958 | + function loadRevisionData() { |
| | 959 | + global $wgLang, $wgUser; |
| | 960 | + if ( $this->mRevisionsLoaded ) { |
| | 961 | + return true; |
| | 962 | + } else { |
| | 963 | + // Whether it succeeds or fails, we don't want to try again |
| | 964 | + $this->mRevisionsLoaded = true; |
| | 965 | + } |
| | 966 | + |
| | 967 | + // Load the new revision object |
| | 968 | + $this->mNewRev = $this->mNewid |
| | 969 | + ? Revision::newFromId( $this->mNewid ) |
| | 970 | + : Revision::newFromTitle( $this->mTitle ); |
| | 971 | + if( !$this->mNewRev instanceof Revision ) |
| | 972 | + return false; |
| | 973 | + |
| | 974 | + // Update the new revision ID in case it was 0 (makes life easier doing UI stuff) |
| | 975 | + $this->mNewid = $this->mNewRev->getId(); |
| | 976 | + |
| | 977 | + // Check if page is editable |
| | 978 | + $editable = $this->mNewRev->getTitle()->userCan( 'edit' ); |
| | 979 | + |
| | 980 | + // Set assorted variables |
| | 981 | + $timestamp = $wgLang->timeanddate( $this->mNewRev->getTimestamp(), true ); |
| | 982 | + $dateofrev = $wgLang->date( $this->mNewRev->getTimestamp(), true ); |
| | 983 | + $timeofrev = $wgLang->time( $this->mNewRev->getTimestamp(), true ); |
| | 984 | + $this->mNewPage = $this->mNewRev->getTitle(); |
| | 985 | + if( $this->mNewRev->isCurrent() ) { |
| | 986 | + $newLink = $this->mNewPage->escapeLocalUrl( array( |
| | 987 | + 'oldid' => $this->mNewid |
| | 988 | + ) ); |
| | 989 | + $this->mPagetitle = htmlspecialchars( wfMsg( |
| | 990 | + 'currentrev-asof', |
| | 991 | + $timestamp, |
| | 992 | + $dateofrev, |
| | 993 | + $timeofrev |
| | 994 | + ) ); |
| | 995 | + $newEdit = $this->mNewPage->escapeLocalUrl( array( |
| | 996 | + 'action' => 'edit' |
| | 997 | + ) ); |
| | 998 | + |
| | 999 | + $this->mNewtitle = "<a href='$newLink'>{$this->mPagetitle}</a>"; |
| | 1000 | + $this->mNewtitle .= " (<a href='$newEdit'>" . wfMsgHtml( $editable ? 'editold' : 'viewsourceold' ) . "</a>)"; |
| | 1001 | + } else { |
| | 1002 | + $newLink = $this->mNewPage->escapeLocalUrl( array( |
| | 1003 | + 'oldid' => $this->mNewid |
| | 1004 | + ) ); |
| | 1005 | + $newEdit = $this->mNewPage->escapeLocalUrl( array( |
| | 1006 | + 'action' => 'edit', |
| | 1007 | + 'oldid' => $this->mNewid |
| | 1008 | + ) ); |
| | 1009 | + $this->mPagetitle = htmlspecialchars( wfMsg( |
| | 1010 | + 'revisionasof', |
| | 1011 | + $timestamp, |
| | 1012 | + $dateofrev, |
| | 1013 | + $timeofrev |
| | 1014 | + ) ); |
| | 1015 | + |
| | 1016 | + $this->mNewtitle = "<a href='$newLink'>{$this->mPagetitle}</a>"; |
| | 1017 | + $this->mNewtitle .= " (<a href='$newEdit'>" . wfMsgHtml( $editable ? 'editold' : 'viewsourceold' ) . "</a>)"; |
| | 1018 | + } |
| | 1019 | + if( !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) { |
| | 1020 | + $this->mNewtitle = "<span class='history-deleted'>{$this->mPagetitle}</span>"; |
| | 1021 | + } else if ( $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) { |
| | 1022 | + $this->mNewtitle = "<span class='history-deleted'>{$this->mNewtitle}</span>"; |
| | 1023 | + } |
| | 1024 | + |
| | 1025 | + // Load the old revision object |
| | 1026 | + $this->mOldRev = false; |
| | 1027 | + if( $this->mOldid ) { |
| | 1028 | + $this->mOldRev = Revision::newFromId( $this->mOldid ); |
| | 1029 | + } elseif ( $this->mOldid === 0 ) { |
| | 1030 | + $rev = $this->mNewRev->getPrevious(); |
| | 1031 | + if( $rev ) { |
| | 1032 | + $this->mOldid = $rev->getId(); |
| | 1033 | + $this->mOldRev = $rev; |
| | 1034 | + } else { |
| | 1035 | + // No previous revision; mark to show as first-version only. |
| | 1036 | + $this->mOldid = false; |
| | 1037 | + $this->mOldRev = false; |
| | 1038 | + } |
| | 1039 | + }/* elseif ( $this->mOldid === false ) leave mOldRev false; */ |
| | 1040 | + |
| | 1041 | + if( is_null( $this->mOldRev ) ) { |
| | 1042 | + return false; |
| | 1043 | + } |
| | 1044 | + |
| | 1045 | + if ( $this->mOldRev ) { |
| | 1046 | + $this->mOldPage = $this->mOldRev->getTitle(); |
| | 1047 | + |
| | 1048 | + $t = $wgLang->timeanddate( $this->mOldRev->getTimestamp(), true ); |
| | 1049 | + $dateofrev = $wgLang->date( $this->mOldRev->getTimestamp(), true ); |
| | 1050 | + $timeofrev = $wgLang->time( $this->mOldRev->getTimestamp(), true ); |
| | 1051 | + $oldLink = $this->mOldPage->escapeLocalUrl( array( |
| | 1052 | + 'oldid' => $this->mOldid |
| | 1053 | + ) ); |
| | 1054 | + $oldEdit = $this->mOldPage->escapeLocalUrl( array( |
| | 1055 | + 'action' => 'edit', |
| | 1056 | + 'oldid' => $this->mOldid |
| | 1057 | + ) ); |
| | 1058 | + $this->mOldPagetitle = htmlspecialchars( wfMsg( 'revisionasof', $t, $dateofrev, $timeofrev ) ); |
| | 1059 | + |
| | 1060 | + $this->mOldtitle = "<a href='$oldLink'>{$this->mOldPagetitle}</a>" |
| | 1061 | + . " (<a href='$oldEdit'>" . wfMsgHtml( $editable ? 'editold' : 'viewsourceold' ) . "</a>)"; |
| | 1062 | + // Add an "undo" link |
| | 1063 | + $newUndo = $this->mNewPage->escapeLocalUrl( array( |
| | 1064 | + 'action' => 'edit', |
| | 1065 | + 'undoafter' => $this->mOldid, |
| | 1066 | + 'undo' => $this->mNewid |
| | 1067 | + ) ); |
| | 1068 | + $htmlLink = htmlspecialchars( wfMsg( 'editundo' ) ); |
| | 1069 | + $htmlTitle = $wgUser->getSkin()->tooltip( 'undo' ); |
| | 1070 | + if( $editable && !$this->mOldRev->isDeleted( Revision::DELETED_TEXT ) && !$this->mNewRev->isDeleted( Revision::DELETED_TEXT ) ) { |
| | 1071 | + $this->mNewtitle .= " (<a href='$newUndo' $htmlTitle>" . $htmlLink . "</a>)"; |
| | 1072 | + } |
| | 1073 | + |
| | 1074 | + if( !$this->mOldRev->userCan( Revision::DELETED_TEXT ) ) { |
| | 1075 | + $this->mOldtitle = '<span class="history-deleted">' . $this->mOldPagetitle . '</span>'; |
| | 1076 | + } else if( $this->mOldRev->isDeleted( Revision::DELETED_TEXT ) ) { |
| | 1077 | + $this->mOldtitle = '<span class="history-deleted">' . $this->mOldtitle . '</span>'; |
| | 1078 | + } |
| | 1079 | + } |
| | 1080 | + |
| | 1081 | + return true; |
| | 1082 | + } |
| | 1083 | + |
| | 1084 | + /** |
| | 1085 | + * Load the text of the revisions, as well as revision data. |
| | 1086 | + */ |
| | 1087 | + function loadText() { |
| | 1088 | + if ( $this->mTextLoaded == 2 ) { |
| | 1089 | + return true; |
| | 1090 | + } else { |
| | 1091 | + // Whether it succeeds or fails, we don't want to try again |
| | 1092 | + $this->mTextLoaded = 2; |
| | 1093 | + } |
| | 1094 | + |
| | 1095 | + if ( !$this->loadRevisionData() ) { |
| | 1096 | + return false; |
| | 1097 | + } |
| | 1098 | + if ( $this->mOldRev ) { |
| | 1099 | + $this->mOldtext = $this->mOldRev->getText( Revision::FOR_THIS_USER ); |
| | 1100 | + if ( $this->mOldtext === false ) { |
| | 1101 | + return false; |
| | 1102 | + } |
| | 1103 | + } |
| | 1104 | + if ( $this->mNewRev ) { |
| | 1105 | + $this->mNewtext = $this->mNewRev->getText( Revision::FOR_THIS_USER ); |
| | 1106 | + if ( $this->mNewtext === false ) { |
| | 1107 | + return false; |
| | 1108 | + } |
| | 1109 | + } |
| | 1110 | + return true; |
| | 1111 | + } |
| | 1112 | + |
| | 1113 | + /** |
| | 1114 | + * Load the text of the new revision, not the old one |
| | 1115 | + */ |
| | 1116 | + function loadNewText() { |
| | 1117 | + if ( $this->mTextLoaded >= 1 ) { |
| | 1118 | + return true; |
| | 1119 | + } else { |
| | 1120 | + $this->mTextLoaded = 1; |
| | 1121 | + } |
| | 1122 | + if ( !$this->loadRevisionData() ) { |
| | 1123 | + return false; |
| | 1124 | + } |
| | 1125 | + $this->mNewtext = $this->mNewRev->getText( Revision::FOR_THIS_USER ); |
| | 1126 | + return true; |
| | 1127 | + } |
| | 1128 | +} |
| Property changes on: trunk/phase3/includes/diff/DifferenceInterface.php |
| ___________________________________________________________________ |
| Name: svn:eol-style |
| 1129 | 1129 | + native |