ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions | Data Fields | Private Attributes
DifferenceEngine Class Reference
+ Collaboration diagram for DifferenceEngine:

Public Member Functions

 DifferenceEngine ( $titleObj=null, $old=0, $new=0, $rcid=0)
 #- More...
 
 showDiffPage ( $diffOnly=false)
 
 renderNewRevision ()
 Show the new revision of the page. More...
 
 showFirstRevision ()
 Show the first revision of an article. More...
 
 showDiff ( $otitle, $ntitle)
 Get the diff text, send it to $wgOut Returns false if the diff could not be generated, otherwise returns true. More...
 
 getDiff ( $otitle, $ntitle)
 Get diff table, including header Note that the interface has changed, it's no longer static. More...
 
 getDiffBody ()
 Get the diff table body, without header Results are cached Returns false on error. More...
 
 generateDiffBody ( $otext, $ntext)
 Generate a diff, no caching $otext and $ntext must be already segmented. More...
 
 localiseLineNumbers ( $text)
 Replace line numbers with the text in the user's language. More...
 
 localiseLineNumbersCb ( $matches)
 
 getMultiNotice ()
 If there are revisions between the ones being compared, return a note saying so. More...
 
 addHeader ( $diff, $otitle, $ntitle, $multi='')
 Add the header to a diff body. More...
 
 setText ( $oldText, $newText)
 Use specified text instead of loading from the database. More...
 
 loadRevisionData ()
 Load revision metadata for the specified articles. More...
 
 loadText ()
 Load the text of the revisions, as well as revision data. More...
 
 loadNewText ()
 Load the text of the new revision, not the old one. More...
 

Data Fields

 $mOldtitle
 
 $mNewtitle
 
 $mPagetitle
 
 $mOldtext
 
 $mNewtext
 
 $mOldPage
 
 $mNewPage
 
 $mRcidMarkPatrolled
 
 $mOldRev
 
 $mNewRev
 
 $mRevisionsLoaded = false
 
 $mTextLoaded = 0
 

Private Attributes

 $mOldid
 #+ More...
 
 $mNewid
 
 $mTitle
 

Detailed Description

Definition at line 17 of file class.WordLevelDiff.php.

Member Function Documentation

◆ addHeader()

DifferenceEngine::addHeader (   $diff,
  $otitle,
  $ntitle,
  $multi = '' 
)

Add the header to a diff body.

Definition at line 485 of file class.WordLevelDiff.php.

485 {
486 global $wgOut;
487
488 if ( $this->mOldRev && $this->mOldRev->isDeleted(Revision::DELETED_TEXT) ) {
489 $otitle = '<span class="history-deleted">'.$otitle.'</span>';
490 }
491 if ( $this->mNewRev && $this->mNewRev->isDeleted(Revision::DELETED_TEXT) ) {
492 $ntitle = '<span class="history-deleted">'.$ntitle.'</span>';
493 }
494 $header = "
495 <table border='0' width='98%' cellpadding='0' cellspacing='4' class='diff'>
496 <tr>
497 <td colspan='2' width='50%' align='center' class='diff-otitle'>{$otitle}</td>
498 <td colspan='2' width='50%' align='center' class='diff-ntitle'>{$ntitle}</td>
499 </tr>
500 ";
501
502 if ( $multi != '' )
503 $header .= "<tr><td colspan='4' align='center' class='diff-multi'>{$multi}</td></tr>";
504
505 return $header . $diff . "</table>";
506 }
$header
$header
Definition: example_011.php:123

References $header.

Referenced by getDiff().

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◆ DifferenceEngine()

DifferenceEngine::DifferenceEngine (   $titleObj = null,
  $old = 0,
  $new = 0,
  $rcid = 0 
)

#-

Constructor

Parameters
$titleObjTitle object that the diff is associated with
$oldInteger: old ID we want to show and diff with.
$newString: either 'prev' or 'next'.
$rcidInteger: ??? FIXME (default 0)

Definition at line 38 of file class.WordLevelDiff.php.

38 {
39 $this->mTitle = $titleObj;
40 wfDebug("DifferenceEngine old '$old' new '$new' rcid '$rcid'\n");
41
42 if ( 'prev' === $new ) {
43 # Show diff between revision $old and the previous one.
44 # Get previous one from DB.
45 #
46 $this->mNewid = intval($old);
47
48 $this->mOldid = $this->mTitle->getPreviousRevisionID( $this->mNewid );
49
50 } elseif ( 'next' === $new ) {
51 # Show diff between revision $old and the previous one.
52 # Get previous one from DB.
53 #
54 $this->mOldid = intval($old);
55 $this->mNewid = $this->mTitle->getNextRevisionID( $this->mOldid );
56 if ( false === $this->mNewid ) {
57 # if no result, NewId points to the newest old revision. The only newer
58 # revision is cur, which is "0".
59 $this->mNewid = 0;
60 }
61
62 } else {
63 $this->mOldid = intval($old);
64 $this->mNewid = intval($new);
65 }
66 $this->mRcidMarkPatrolled = intval($rcid); # force it to be an integer
67 }

◆ generateDiffBody()

DifferenceEngine::generateDiffBody (   $otext,
  $ntext 
)

Generate a diff, no caching $otext and $ntext must be already segmented.

Definition at line 371 of file class.WordLevelDiff.php.

371 {
372 global $wgExternalDiffEngine, $wgContLang;
373 $fname = 'DifferenceEngine::generateDiffBody';
374
375 $otext = str_replace( "\r\n", "\n", $otext );
376 $ntext = str_replace( "\r\n", "\n", $ntext );
377
378 if ( $wgExternalDiffEngine == 'wikidiff' ) {
379 # For historical reasons, external diff engine expects
380 # input text to be HTML-escaped already
381 $otext = htmlspecialchars ( $wgContLang->segmentForDiff( $otext ) );
382 $ntext = htmlspecialchars ( $wgContLang->segmentForDiff( $ntext ) );
383 if( !function_exists( 'wikidiff_do_diff' ) ) {
384 dl('php_wikidiff.so');
385 }
386 return $wgContLang->unsegementForDiff( wikidiff_do_diff( $otext, $ntext, 2 ) );
387 }
388
389 if ( $wgExternalDiffEngine == 'wikidiff2' ) {
390 # Better external diff engine, the 2 may some day be dropped
391 # This one does the escaping and segmenting itself
392 if ( !function_exists( 'wikidiff2_do_diff' ) ) {
393 //wfProfileIn( "$fname-dl" );
394 @dl('php_wikidiff2.so');
395 //wfProfileOut( "$fname-dl" );
396 }
397 if ( function_exists( 'wikidiff2_do_diff' ) ) {
398 //wfProfileIn( 'wikidiff2_do_diff' );
399 $text = wikidiff2_do_diff( $otext, $ntext, 2 );
400 //wfProfileOut( 'wikidiff2_do_diff' );
401 return $text;
402 }
403 }
404 if ( $wgExternalDiffEngine !== false ) {
405 # Diff via the shell
406 global $wgTmpDirectory;
407 $tempName1 = tempnam( $wgTmpDirectory, 'diff_' );
408 $tempName2 = tempnam( $wgTmpDirectory, 'diff_' );
409
410 $tempFile1 = fopen( $tempName1, "w" );
411 if ( !$tempFile1 ) {
412 //wfProfileOut( $fname );
413 return false;
414 }
415 $tempFile2 = fopen( $tempName2, "w" );
416 if ( !$tempFile2 ) {
417 //wfProfileOut( $fname );
418 return false;
419 }
420 fwrite( $tempFile1, $otext );
421 fwrite( $tempFile2, $ntext );
422 fclose( $tempFile1 );
423 fclose( $tempFile2 );
424 $cmd = wfEscapeShellArg( $wgExternalDiffEngine, $tempName1, $tempName2 );
425 //wfProfileIn( "$fname-shellexec" );
426 $difftext = wfShellExec( $cmd );
427 //wfProfileOut( "$fname-shellexec" );
428 unlink( $tempName1 );
429 unlink( $tempName2 );
430 return $difftext;
431 }
432
433 # Native PHP diff
434 $ota = explode( "\n", $wgContLang->segmentForDiff( $otext ) );
435 $nta = explode( "\n", $wgContLang->segmentForDiff( $ntext ) );
436 $diffs = new Diff( $ota, $nta );
437 $formatter = new TableDiffFormatter();
438 return $wgContLang->unsegmentForDiff( $formatter->format( $diffs ) );
439 }
$text
$text
Definition: example_020.php:127
$cmd
$cmd
Definition: sahs_server.php:35

References $cmd, and $text.

Referenced by getDiffBody().

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◆ getDiff()

DifferenceEngine::getDiff (   $otitle,
  $ntitle 
)

Get diff table, including header Note that the interface has changed, it's no longer static.

Returns false on error

Definition at line 305 of file class.WordLevelDiff.php.

305 {
306 $body = $this->getDiffBody();
307 if ( $body === false ) {
308 return false;
309 } else {
310 $multi = $this->getMultiNotice();
311 return $this->addHeader( $body, $otitle, $ntitle, $multi );
312 }
313 }
DifferenceEngine\getDiffBody
getDiffBody()
Get the diff table body, without header Results are cached Returns false on error.
Definition: class.WordLevelDiff.php:320
DifferenceEngine\getMultiNotice
getMultiNotice()
If there are revisions between the ones being compared, return a note saying so.
Definition: class.WordLevelDiff.php:459
DifferenceEngine\addHeader
addHeader( $diff, $otitle, $ntitle, $multi='')
Add the header to a diff body.
Definition: class.WordLevelDiff.php:485

References addHeader(), getDiffBody(), and getMultiNotice().

Referenced by showDiff().

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◆ getDiffBody()

DifferenceEngine::getDiffBody ( )

Get the diff table body, without header Results are cached Returns false on error.

Definition at line 320 of file class.WordLevelDiff.php.

320 {
321 global $wgMemc;
322 $fname = 'DifferenceEngine::getDiffBody';
323 //wfProfileIn( $fname );
324
325 // Cacheable?
326 $key = false;
327 if ( $this->mOldid && $this->mNewid ) {
328 // Try cache
329 $key = wfMemcKey( 'diff', 'oldid', $this->mOldid, 'newid', $this->mNewid );
330 $difftext = $wgMemc->get( $key );
331 if ( $difftext ) {
332 wfIncrStats( 'diff_cache_hit' );
333 $difftext = $this->localiseLineNumbers( $difftext );
334 $difftext .= "\n<!-- diff cache key $key -->\n";
335 //wfProfileOut( $fname );
336 return $difftext;
337 }
338 }
339
340 #loadtext is permission safe, this just clears out the diff
341 if ( !$this->loadText() ) {
342 //wfProfileOut( $fname );
343 return false;
344 } else if ( $this->mOldRev && !$this->mOldRev->userCan(Revision::DELETED_TEXT) ) {
345 return '';
346 } else if ( $this->mNewRev && !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) {
347 return '';
348 }
349
350 $difftext = $this->generateDiffBody( $this->mOldtext, $this->mNewtext );
351
352 // Save to cache for 7 days
353 if ( $key !== false && $difftext !== false ) {
354 wfIncrStats( 'diff_cache_miss' );
355 $wgMemc->set( $key, $difftext, 7*86400 );
356 } else {
357 wfIncrStats( 'diff_uncacheable' );
358 }
359 // Replace line numbers with the text in the user's language
360 if ( $difftext !== false ) {
361 $difftext = $this->localiseLineNumbers( $difftext );
362 }
363 //wfProfileOut( $fname );
364 return $difftext;
365 }
DifferenceEngine\loadText
loadText()
Load the text of the revisions, as well as revision data.
Definition: class.WordLevelDiff.php:606
DifferenceEngine\generateDiffBody
generateDiffBody( $otext, $ntext)
Generate a diff, no caching $otext and $ntext must be already segmented.
Definition: class.WordLevelDiff.php:371
DifferenceEngine\localiseLineNumbers
localiseLineNumbers( $text)
Replace line numbers with the text in the user's language.
Definition: class.WordLevelDiff.php:445

References generateDiffBody(), loadText(), and localiseLineNumbers().

Referenced by getDiff().

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◆ getMultiNotice()

DifferenceEngine::getMultiNotice ( )

If there are revisions between the ones being compared, return a note saying so.

Definition at line 459 of file class.WordLevelDiff.php.

459 {
460 if ( !is_object($this->mOldRev) || !is_object($this->mNewRev) )
461 return '';
462
463 if( !$this->mOldPage->equals( $this->mNewPage ) ) {
464 // Comparing two different pages? Count would be meaningless.
465 return '';
466 }
467
468 $oldid = $this->mOldRev->getId();
469 $newid = $this->mNewRev->getId();
470 if ( $oldid > $newid ) {
471 $tmp = $oldid; $oldid = $newid; $newid = $tmp;
472 }
473
474 $n = $this->mTitle->countRevisionsBetween( $oldid, $newid );
475 if ( !$n )
476 return '';
477
478 return wfMsgExt( 'diff-multi', array( 'parseinline' ), $n );
479 }
$n
$n
Definition: RandomTest.php:80

References $n.

Referenced by getDiff().

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◆ loadNewText()

DifferenceEngine::loadNewText ( )

Load the text of the new revision, not the old one.

Definition at line 636 of file class.WordLevelDiff.php.

636 {
637 if ( $this->mTextLoaded >= 1 ) {
638 return true;
639 } else {
640 $this->mTextLoaded = 1;
641 }
642 if ( !$this->loadRevisionData() ) {
643 return false;
644 }
645 $this->mNewtext = $this->mNewRev->getText();
646 return true;
647 }
DifferenceEngine\loadRevisionData
loadRevisionData()
Load revision metadata for the specified articles.
Definition: class.WordLevelDiff.php:527

References loadRevisionData().

Referenced by renderNewRevision(), and showFirstRevision().

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◆ loadRevisionData()

DifferenceEngine::loadRevisionData ( )

Load revision metadata for the specified articles.

If newid is 0, then compare the old article in oldid to the current article; if oldid is 0, then compare the current article to the immediately previous one (ignoring the value of newid).

If oldid is false, leave the corresponding revision object set to false. This is impossible via ordinary user input, and is provided for API convenience.

Definition at line 527 of file class.WordLevelDiff.php.

527 {
528 global $wgLang;
529 if ( $this->mRevisionsLoaded ) {
530 return true;
531 } else {
532 // Whether it succeeds or fails, we don't want to try again
533 $this->mRevisionsLoaded = true;
534 }
535
536 // Load the new revision object
537 if( $this->mNewid ) {
538 $this->mNewRev = Revision::newFromId( $this->mNewid );
539 } else {
540 $this->mNewRev = Revision::newFromTitle( $this->mTitle );
541 }
542
543 if( is_null( $this->mNewRev ) ) {
544 return false;
545 }
546
547 // Set assorted variables
548 $timestamp = $wgLang->timeanddate( $this->mNewRev->getTimestamp(), true );
549 $this->mNewPage = $this->mNewRev->getTitle();
550 if( $this->mNewRev->isCurrent() ) {
551 $newLink = $this->mNewPage->escapeLocalUrl();
552 $this->mPagetitle = htmlspecialchars( wfMsg( 'currentrev' ) );
553 $newEdit = $this->mNewPage->escapeLocalUrl( 'action=edit' );
554
555 $this->mNewtitle = "<a href='$newLink'>{$this->mPagetitle}</a> ($timestamp)"
556 . " (<a href='$newEdit'>" . htmlspecialchars( wfMsg( 'editold' ) ) . "</a>)";
557
558 } else {
559 $newLink = $this->mNewPage->escapeLocalUrl( 'oldid=' . $this->mNewid );
560 $newEdit = $this->mNewPage->escapeLocalUrl( 'action=edit&oldid=' . $this->mNewid );
561 $this->mPagetitle = htmlspecialchars( wfMsg( 'revisionasof', $timestamp ) );
562
563 $this->mNewtitle = "<a href='$newLink'>{$this->mPagetitle}</a>"
564 . " (<a href='$newEdit'>" . htmlspecialchars( wfMsg( 'editold' ) ) . "</a>)";
565 }
566
567 // Load the old revision object
568 $this->mOldRev = false;
569 if( $this->mOldid ) {
570 $this->mOldRev = Revision::newFromId( $this->mOldid );
571 } elseif ( $this->mOldid === 0 ) {
572 $rev = $this->mNewRev->getPrevious();
573 if( $rev ) {
574 $this->mOldid = $rev->getId();
575 $this->mOldRev = $rev;
576 } else {
577 // No previous revision; mark to show as first-version only.
578 $this->mOldid = false;
579 $this->mOldRev = false;
580 }
581 }/* elseif ( $this->mOldid === false ) leave mOldRev false; */
582
583 if( is_null( $this->mOldRev ) ) {
584 return false;
585 }
586
587 if ( $this->mOldRev ) {
588 $this->mOldPage = $this->mOldRev->getTitle();
589
590 $t = $wgLang->timeanddate( $this->mOldRev->getTimestamp(), true );
591 $oldLink = $this->mOldPage->escapeLocalUrl( 'oldid=' . $this->mOldid );
592 $oldEdit = $this->mOldPage->escapeLocalUrl( 'action=edit&oldid=' . $this->mOldid );
593 $this->mOldtitle = "<a href='$oldLink'>" . htmlspecialchars( wfMsg( 'revisionasof', $t ) )
594 . "</a> (<a href='$oldEdit'>" . htmlspecialchars( wfMsg( 'editold' ) ) . "</a>)";
595 //now that we considered old rev, we can make undo link (bug 8133, multi-edit undo)
596 $newUndo = $this->mNewPage->escapeLocalUrl( 'action=edit&undoafter=' . $this->mOldid . '&undo=' . $this->mNewid);
597 $this->mNewtitle .= " (<a href='$newUndo'>" . htmlspecialchars( wfMsg( 'editundo' ) ) . "</a>)";
598 }
599
600 return true;
601 }
wfMsg
wfMsg($x)
Definition: RandomTest.php:60
$timestamp
foreach($mandatory_scripts as $file) $timestamp
Definition: buildRTE.php:81
$t
$t
Definition: class.ilBMFType_duration.php:154

References $t, $timestamp, and wfMsg().

Referenced by loadNewText(), loadText(), and showDiffPage().

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◆ loadText()

DifferenceEngine::loadText ( )

Load the text of the revisions, as well as revision data.

Definition at line 606 of file class.WordLevelDiff.php.

606 {
607 if ( $this->mTextLoaded == 2 ) {
608 return true;
609 } else {
610 // Whether it succeeds or fails, we don't want to try again
611 $this->mTextLoaded = 2;
612 }
613
614 if ( !$this->loadRevisionData() ) {
615 return false;
616 }
617 if ( $this->mOldRev ) {
618 // FIXME: permission tests
619 $this->mOldtext = $this->mOldRev->revText();
620 if ( $this->mOldtext === false ) {
621 return false;
622 }
623 }
624 if ( $this->mNewRev ) {
625 $this->mNewtext = $this->mNewRev->revText();
626 if ( $this->mNewtext === false ) {
627 return false;
628 }
629 }
630 return true;
631 }

References loadRevisionData().

Referenced by getDiffBody().

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◆ localiseLineNumbers()

DifferenceEngine::localiseLineNumbers (   $text)

Replace line numbers with the text in the user's language.

Definition at line 445 of file class.WordLevelDiff.php.

445 {
446 return preg_replace_callback( '/<!--LINE (\d+)-->/',
447 array( &$this, 'localiseLineNumbersCb' ), $text );
448 }

References $text.

Referenced by getDiffBody().

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◆ localiseLineNumbersCb()

DifferenceEngine::localiseLineNumbersCb (   $matches)

Definition at line 450 of file class.WordLevelDiff.php.

450 {
451 global $wgLang;
452 return wfMsgExt( 'lineno', array('parseinline'), $wgLang->formatNum( $matches[1] ) );
453 }

◆ renderNewRevision()

DifferenceEngine::renderNewRevision ( )

Show the new revision of the page.

Definition at line 203 of file class.WordLevelDiff.php.

203 {
204 global $wgOut;
205 $fname = 'DifferenceEngine::renderNewRevision';
206 //wfProfileIn( $fname );
207
208 $wgOut->addHTML( "<hr /><h2>{$this->mPagetitle}</h2>\n" );
209 #add deleted rev tag if needed
210 if ( !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) {
211 $wgOut->addWikiText( wfMsg( 'rev-deleted-text-permission' ) );
212 }
213
214 if( !$this->mNewRev->isCurrent() ) {
215 $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
216 }
217
218 $this->loadNewText();
219 if( is_object( $this->mNewRev ) ) {
220 $wgOut->setRevisionId( $this->mNewRev->getId() );
221 }
222
223 $wgOut->addWikiTextTidy( $this->mNewtext );
224
225 if( !$this->mNewRev->isCurrent() ) {
226 $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
227 }
228
229 //wfProfileOut( $fname );
230 }
DifferenceEngine\loadNewText
loadNewText()
Load the text of the new revision, not the old one.
Definition: class.WordLevelDiff.php:636

References loadNewText(), and wfMsg().

Referenced by showDiffPage().

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◆ setText()

DifferenceEngine::setText (   $oldText,
  $newText 
)

Use specified text instead of loading from the database.

Definition at line 511 of file class.WordLevelDiff.php.

511 {
512 $this->mOldtext = $oldText;
513 $this->mNewtext = $newText;
514 $this->mTextLoaded = 2;
515 }

◆ showDiff()

DifferenceEngine::showDiff (   $otitle,
  $ntitle 
)

Get the diff text, send it to $wgOut Returns false if the diff could not be generated, otherwise returns true.

Definition at line 288 of file class.WordLevelDiff.php.

288 {
289 global $wgOut;
290 $diff = $this->getDiff( $otitle, $ntitle );
291 if ( $diff === false ) {
292 $wgOut->addWikitext( wfMsg( 'missingarticle', "<nowiki>(fixme, bug)</nowiki>" ) );
293 return false;
294 } else {
295 $wgOut->addHTML( $diff );
296 return true;
297 }
298 }
DifferenceEngine\getDiff
getDiff( $otitle, $ntitle)
Get diff table, including header Note that the interface has changed, it's no longer static.
Definition: class.WordLevelDiff.php:305

References getDiff(), and wfMsg().

Referenced by showDiffPage().

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◆ showDiffPage()

DifferenceEngine::showDiffPage (   $diffOnly = false)

Definition at line 69 of file class.WordLevelDiff.php.

69 {
70 global $wgUser, $wgOut, $wgUseExternalEditor, $wgUseRCPatrol;
71 $fname = 'DifferenceEngine::showDiffPage';
72 //wfProfileIn( $fname );
73
74 # If external diffs are enabled both globally and for the user,
75 # we'll use the application/x-external-editor interface to call
76 # an external diff tool like kompare, kdiff3, etc.
77 if($wgUseExternalEditor && $wgUser->getOption('externaldiff')) {
78 global $wgInputEncoding,$wgServer,$wgScript,$wgLang;
79 $wgOut->disable();
80 header ( "Content-type: application/x-external-editor; charset=".$wgInputEncoding );
81 $url1=$this->mTitle->getFullURL("action=raw&oldid=".$this->mOldid);
82 $url2=$this->mTitle->getFullURL("action=raw&oldid=".$this->mNewid);
83 $special=$wgLang->getNsText(NS_SPECIAL);
84 $control=<<<CONTROL
85[Process]
86Type=Diff text
87Engine=MediaWiki
88Script={$wgServer}{$wgScript}
89Special namespace={$special}
90
91[File]
92Extension=wiki
93URL=$url1
94
95[File 2]
96Extension=wiki
97URL=$url2
98CONTROL;
99 echo($control);
100 return;
101 }
102
103 $wgOut->setArticleFlag( false );
104 if ( ! $this->loadRevisionData() ) {
105 $t = $this->mTitle->getPrefixedText() . " (Diff: {$this->mOldid}, {$this->mNewid})";
106 $mtext = wfMsg( 'missingarticle', "<nowiki>$t</nowiki>" );
107 $wgOut->setPagetitle( wfMsg( 'errorpagetitle' ) );
108 $wgOut->addWikitext( $mtext );
109 //wfProfileOut( $fname );
110 return;
111 }
112
113 wfRunHooks( 'DiffViewHeader', array( $this, $this->mOldRev, $this->mNewRev ) );
114
115 if ( $this->mNewRev->isCurrent() ) {
116 $wgOut->setArticleFlag( true );
117 }
118
119 # mOldid is false if the difference engine is called with a "vague" query for
120 # a diff between a version V and its previous version V' AND the version V
121 # is the first version of that article. In that case, V' does not exist.
122 if ( $this->mOldid === false ) {
123 $this->showFirstRevision();
124 $this->renderNewRevision(); // should we respect $diffOnly here or not?
125 //wfProfileOut( $fname );
126 return;
127 }
128
129 $wgOut->suppressQuickbar();
130
131 $oldTitle = $this->mOldPage->getPrefixedText();
132 $newTitle = $this->mNewPage->getPrefixedText();
133 if( $oldTitle == $newTitle ) {
134 $wgOut->setPageTitle( $newTitle );
135 } else {
136 $wgOut->setPageTitle( $oldTitle . ', ' . $newTitle );
137 }
138 $wgOut->setSubtitle( wfMsg( 'difference' ) );
139 $wgOut->setRobotpolicy( 'noindex,nofollow' );
140
141 if ( !( $this->mOldPage->userCanRead() && $this->mNewPage->userCanRead() ) ) {
142 $wgOut->loginToUse();
143 $wgOut->output();
144 //wfProfileOut( $fname );
145 exit;
146 }
147
148 $sk = $wgUser->getSkin();
149
150 if ( $this->mNewRev->isCurrent() && $wgUser->isAllowed('rollback') ) {
151 $rollback = '&nbsp;&nbsp;&nbsp;' . $sk->generateRollback( $this->mNewRev );
152 } else {
153 $rollback = '';
154 }
155 if( $wgUseRCPatrol && $this->mRcidMarkPatrolled != 0 && $wgUser->isAllowed( 'patrol' ) ) {
156 $patrol = ' [' . $sk->makeKnownLinkObj( $this->mTitle, wfMsg( 'markaspatrolleddiff' ), "action=markpatrolled&rcid={$this->mRcidMarkPatrolled}" ) . ']';
157 } else {
158 $patrol = '';
159 }
160
161 $prevlink = $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'previousdiff' ),
162 'diff=prev&oldid='.$this->mOldid, '', '', 'id="differences-prevlink"' );
163 if ( $this->mNewRev->isCurrent() ) {
164 $nextlink = '&nbsp;';
165 } else {
166 $nextlink = $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'nextdiff' ),
167 'diff=next&oldid='.$this->mNewid, '', '', 'id="differences-nextlink"' );
168 }
169
170 $oldminor = '';
171 $newminor = '';
172
173 if ($this->mOldRev->mMinorEdit == 1) {
174 $oldminor = wfElement( 'span', array( 'class' => 'minor' ),
175 wfMsg( 'minoreditletter') ) . ' ';
176 }
177
178 if ($this->mNewRev->mMinorEdit == 1) {
179 $newminor = wfElement( 'span', array( 'class' => 'minor' ),
180 wfMsg( 'minoreditletter') ) . ' ';
181 }
182
183 $oldHeader = "<strong>{$this->mOldtitle}</strong><br />" .
184 $sk->revUserTools( $this->mOldRev ) . "<br />" .
185 $oldminor . $sk->revComment( $this->mOldRev, !$diffOnly ) . "<br />" .
186 $prevlink;
187 $newHeader = "<strong>{$this->mNewtitle}</strong><br />" .
188 $sk->revUserTools( $this->mNewRev ) . " $rollback<br />" .
189 $newminor . $sk->revComment( $this->mNewRev, !$diffOnly ) . "<br />" .
190 $nextlink . $patrol;
191
192 $this->showDiff( $oldHeader, $newHeader );
193
194 if ( !$diffOnly )
195 $this->renderNewRevision();
196
197 //wfProfileOut( $fname );
198 }
DifferenceEngine\showFirstRevision
showFirstRevision()
Show the first revision of an article.
Definition: class.WordLevelDiff.php:236
DifferenceEngine\showDiff
showDiff( $otitle, $ntitle)
Get the diff text, send it to $wgOut Returns false if the diff could not be generated,...
Definition: class.WordLevelDiff.php:288
DifferenceEngine\renderNewRevision
renderNewRevision()
Show the new revision of the page.
Definition: class.WordLevelDiff.php:203
exit
exit
Definition: login.php:54

References $t, exit, loadRevisionData(), renderNewRevision(), showDiff(), showFirstRevision(), and wfMsg().

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◆ showFirstRevision()

DifferenceEngine::showFirstRevision ( )

Show the first revision of an article.

Uses normal diff headers in contrast to normal "old revision" display style.

Definition at line 236 of file class.WordLevelDiff.php.

236 {
237 global $wgOut, $wgUser;
238
239 $fname = 'DifferenceEngine::showFirstRevision';
240 //wfProfileIn( $fname );
241
242 # Get article text from the DB
243 #
244 if ( ! $this->loadNewText() ) {
245 $t = $this->mTitle->getPrefixedText() . " (Diff: {$this->mOldid}, " .
246 "{$this->mNewid})";
247 $mtext = wfMsg( 'missingarticle', "<nowiki>$t</nowiki>" );
248 $wgOut->setPagetitle( wfMsg( 'errorpagetitle' ) );
249 $wgOut->addWikitext( $mtext );
250 //wfProfileOut( $fname );
251 return;
252 }
253 if ( $this->mNewRev->isCurrent() ) {
254 $wgOut->setArticleFlag( true );
255 }
256
257 # Check if user is allowed to look at this page. If not, bail out.
258 #
259 if ( !( $this->mTitle->userCanRead() ) ) {
260 $wgOut->loginToUse();
261 $wgOut->output();
262 //wfProfileOut( $fname );
263 exit;
264 }
265
266 # Prepare the header box
267 #
268 $sk = $wgUser->getSkin();
269
270 $nextlink = $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'nextdiff' ), 'diff=next&oldid='.$this->mNewid, '', '', 'id="differences-nextlink"' );
271 $header = "<div class=\"firstrevisionheader\" style=\"text-align: center\"><strong>{$this->mOldtitle}</strong><br />" .
272 $sk->revUserTools( $this->mNewRev ) . "<br />" .
273 $sk->revComment( $this->mNewRev ) . "<br />" .
274 $nextlink . "</div>\n";
275
276 $wgOut->addHTML( $header );
277
278 $wgOut->setSubtitle( wfMsg( 'difference' ) );
279 $wgOut->setRobotpolicy( 'noindex,nofollow' );
280
281 //wfProfileOut( $fname );
282 }

References $header, $t, exit, loadNewText(), and wfMsg().

Referenced by showDiffPage().

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Field Documentation

◆ $mNewid

DifferenceEngine::$mNewid
private

Definition at line 21 of file class.WordLevelDiff.php.

◆ $mNewPage

DifferenceEngine::$mNewPage

Definition at line 24 of file class.WordLevelDiff.php.

◆ $mNewRev

DifferenceEngine::$mNewRev

Definition at line 26 of file class.WordLevelDiff.php.

◆ $mNewtext

DifferenceEngine::$mNewtext

Definition at line 23 of file class.WordLevelDiff.php.

◆ $mNewtitle

DifferenceEngine::$mNewtitle

Definition at line 22 of file class.WordLevelDiff.php.

◆ $mOldid

DifferenceEngine::$mOldid
private

#+

Definition at line 21 of file class.WordLevelDiff.php.

◆ $mOldPage

DifferenceEngine::$mOldPage

Definition at line 24 of file class.WordLevelDiff.php.

◆ $mOldRev

DifferenceEngine::$mOldRev

Definition at line 26 of file class.WordLevelDiff.php.

◆ $mOldtext

DifferenceEngine::$mOldtext

Definition at line 23 of file class.WordLevelDiff.php.

◆ $mOldtitle

DifferenceEngine::$mOldtitle

Definition at line 22 of file class.WordLevelDiff.php.

◆ $mPagetitle

DifferenceEngine::$mPagetitle

Definition at line 22 of file class.WordLevelDiff.php.

◆ $mRcidMarkPatrolled

DifferenceEngine::$mRcidMarkPatrolled

Definition at line 25 of file class.WordLevelDiff.php.

◆ $mRevisionsLoaded

DifferenceEngine::$mRevisionsLoaded = false

Definition at line 27 of file class.WordLevelDiff.php.

◆ $mTextLoaded

DifferenceEngine::$mTextLoaded = 0

Definition at line 28 of file class.WordLevelDiff.php.

◆ $mTitle

DifferenceEngine::$mTitle
private

Definition at line 21 of file class.WordLevelDiff.php.

The documentation for this class was generated from the following file: