includes/EditPage.php

   1 <?php
   2 /**
   3  * Contain the EditPage class
   4  * @package MediaWiki
   5  */
   6
   7 /**
   8  * Splitting edit page/HTML interface from Article...
   9  * The actual database and text munging is still in Article,
  10  * but it should get easier to call those from alternate
  11  * interfaces.
  12  *
  13  * @package MediaWiki
  14  */
  15
  16 class EditPage {
  17         var $mArticle;
  18         var $mTitle;
  19
  20         # Form values
  21         var $save = false, $preview = false;
  22         var $minoredit = false, $watchthis = false;
  23         var $textbox1 = '', $textbox2 = '', $summary = '';
  24         var $edittime = '', $section = '';
  25         var $oldid = 0;
  26
  27         /**
  28          * @todo document
  29          * @param $article
  30          */
  31         function EditPage( $article ) {
  32                 $this->mArticle =& $article;
  33                 global $wgTitle;
  34                 $this->mTitle =& $wgTitle;
  35         }
  36
  37         /**
  38          * This is the function that gets called for "action=edit".
  39          */
  40         function edit() {
  41                 global $wgOut, $wgUser, $wgWhitelistEdit, $wgRequest;
  42                 // this is not an article
  43                 $wgOut->setArticleFlag(false);
  44
  45                 $this->importFormData( $wgRequest );
  46
  47                 if( $this->live ) {
  48                         $this->livePreview();
  49                         return;
  50                 }
  51
  52                 if ( ! $this->mTitle->userCanEdit() ) {
  53                         $wgOut->readOnlyPage( $this->mArticle->getContent( true ), true );
  54                         return;
  55                 }
  56                 if ( $wgUser->isBlocked() ) {
  57                         $this->blockedIPpage();
  58                         return;
  59                 }
  60                 if ( !$wgUser->getID() && $wgWhitelistEdit ) {
  61                         $this->userNotLoggedInPage();
  62                         return;
  63                 }
  64                 if ( wfReadOnly() ) {
  65                         if( $this->save || $this->preview ) {
  66                                 $this->editForm( 'preview' );
  67                         } else {
  68                                 $wgOut->readOnlyPage( $this->mArticle->getContent( true ) );
  69                         }
  70                         return;
  71                 }
  72                 if ( $this->save ) {
  73                         $this->editForm( 'save' );
  74                 } else if ( $this->preview or $wgUser->getOption('previewonfirst')) {
  75                         $this->editForm( 'preview' );
  76                 } else { # First time through
  77                         $this->editForm( 'initial' );
  78                 }
  79         }
  80
  81         /**
  82          * @todo document
  83          */
  84         function importFormData( &$request ) {
  85                 # These fields need to be checked for encoding.
  86                 # Also remove trailing whitespace, but don't remove _initial_
  87                 # whitespace from the text boxes. This may be significant formatting.
  88                 $this->textbox1 = rtrim( $request->getText( 'wpTextbox1' ) );
  89                 $this->textbox2 = rtrim( $request->getText( 'wpTextbox2' ) );
  90                 $this->summary = trim( $request->getText( 'wpSummary' ) );
  91
  92                 $this->edittime = $request->getVal( 'wpEdittime' );
  93                 if( !preg_match( '/^\d{14}$/', $this->edittime )) $this->edittime = '';
  94
  95                 $this->preview = $request->getCheck( 'wpPreview' );
  96                 $this->save = $request->wasPosted() && !$this->preview;
  97                 $this->minoredit = $request->getCheck( 'wpMinoredit' );
  98                 $this->watchthis = $request->getCheck( 'wpWatchthis' );
  99
 100                 $this->oldid = $request->getInt( 'oldid' );
 101
 102                 # Section edit can come from either the form or a link
 103                 $this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
 104
 105                 $this->live = $request->getCheck( 'live' );
 106         }
 107
 108         /**
 109          * Since there is only one text field on the edit form,
 110          * pressing <enter> will cause the form to be submitted, but
 111          * the submit button value won't appear in the query, so we
 112          * Fake it here before going back to edit().  This is kind of
 113          * ugly, but it helps some old URLs to still work.
 114          */
 115         function submit() {
 116                 if( !$this->preview ) $this->save = true;
 117
 118                 $this->edit();
 119         }
 120
 121         /**
 122          * The edit form is self-submitting, so that when things like
 123          * preview and edit conflicts occur, we get the same form back
 124          * with the extra stuff added.  Only when the final submission
 125          * is made and all is well do we actually save and redirect to
 126          * the newly-edited page.
 127          *
 128          * @param string $formtype Type of form either : save, initial or preview
 129          */
 130         function editForm( $formtype ) {
 131                 global $wgOut, $wgUser;
 132                 global $wgLang, $wgContLang, $wgParser, $wgTitle;
 133                 global $wgAllowAnonymousMinor;
 134                 global $wgWhitelistEdit;
 135                 global $wgSpamRegex, $wgFilterCallback;
 136                 global $wgUseLatin1;
 137
 138                 $sk = $wgUser->getSkin();
 139                 $isConflict = false;
 140                 // css / js subpages of user pages get a special treatment
 141                 $isCssJsSubpage = (Namespace::getUser() == $wgTitle->getNamespace() and preg_match("/\\.(css|js)$/", $wgTitle->getText() ));
 142
 143                 if(!$this->mTitle->getArticleID()) { # new article
 144                         $wgOut->addWikiText(wfmsg('newarticletext'));
 145                 }
 146
 147                 if( Namespace::isTalk( $this->mTitle->getNamespace() ) ) {
 148                         $wgOut->addWikiText(wfmsg('talkpagetext'));
 149                 }
 150
 151                 # Attempt submission here.  This will check for edit conflicts,
 152                 # and redundantly check for locked database, blocked IPs, etc.
 153                 # that edit() already checked just in case someone tries to sneak
 154                 # in the back door with a hand-edited submission URL.
 155
 156                 if ( 'save' == $formtype ) {
 157                         # Check for spam
 158                         if ( $wgSpamRegex && preg_match( $wgSpamRegex, $this->textbox1, $matches ) ) {
 159                                 $this->spamPage ( $matches[0] );
 160                                 return;
 161                         }
 162                         if ( $wgFilterCallback && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section ) ) {
 163                                 # Error messages or other handling should be performed by the filter function
 164                                 return;
 165                         }
 166                         if ( $wgUser->isBlocked() ) {
 167                                 $this->blockedIPpage();
 168                                 return;
 169                         }
 170                         if ( !$wgUser->getID() && $wgWhitelistEdit ) {
 171                                 $this->userNotLoggedInPage();
 172                                 return;
 173                         }
 174                         if ( wfReadOnly() ) {
 175                                 $wgOut->readOnlyPage();
 176                                 return;
 177                         }
 178
 179                         # If article is new, insert it.
 180                         $aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
 181                         if ( 0 == $aid ) {
 182                                 # Don't save a new article if it's blank.
 183                                 if ( ( '' == $this->textbox1 ) ||
 184                                   ( wfMsg( 'newarticletext' ) == $this->textbox1 ) ) {
 185                                         $wgOut->redirect( $this->mTitle->getFullURL() );
 186                                         return;
 187                                 }
 188                                 if (wfRunHooks('ArticleSave', $this->mArticle, $wgUser, $this->textbox1,
 189                                                            $this->summary, $this->minoredit, $this->watchthis, NULL))
 190                                 {
 191                                         $this->mArticle->insertNewArticle( $this->textbox1, $this->summary,
 192                                                                                                            $this->minoredit, $this->watchthis );
 193                                         wfRunHooks('ArticleSaveComplete', $this->mArticle, $wgUser, $this->textbox1,
 194                                                            $this->summary, $this->minoredit, $this->watchthis, NULL);
 195                                 }
 196                                 return;
 197                         }
 198
 199                         # Article exists. Check for edit conflict.
 200
 201                         $this->mArticle->clear(); # Force reload of dates, etc.
 202                         $this->mArticle->forUpdate( true ); # Lock the article
 203
 204                         if( ( $this->section != 'new' ) &&
 205                                 ($this->mArticle->getTimestamp() != $this->edittime ) ) {
 206                                 $isConflict = true;
 207                         }
 208                         $userid = $wgUser->getID();
 209
 210                         if ( $isConflict) {
 211                                 $text = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
 212                                         $this->section, $this->textbox1, $this->summary, $this->edittime);
 213                         }
 214                         else {
 215                                 $text = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
 216                                         $this->section, $this->textbox1, $this->summary);
 217                         }
 218                         # Suppress edit conflict with self
 219
 220                         if ( ( 0 != $userid ) && ( $this->mArticle->getUser() == $userid ) ) {
 221                                 $isConflict = false;
 222                         } else {
 223                                 # switch from section editing to normal editing in edit conflict
 224                                 if($isConflict) {
 225                                         # Attempt merge
 226                                         if( $this->mergeChangesInto( $text ) ){
 227                                                 // Successful merge! Maybe we should tell the user the good news?
 228                                                 $isConflict = false;
 229                                         } else {
 230                                                 $this->section = '';
 231                                                 $this->textbox1 = $text;
 232                                         }
 233                                 }
 234                         }
 235                         if ( ! $isConflict ) {
 236                                 # All's well
 237                                 $sectionanchor = '';
 238                                 if( $this->section == 'new' ) {
 239                                         if( $this->summary != '' ) {
 240                                                 $sectionanchor = $this->sectionAnchor( $this->summary );
 241                                         }
 242                                 } elseif( $this->section != '' ) {
 243                                         # Try to get a section anchor from the section source, redirect to edited section if header found
 244                                         # XXX: might be better to integrate this into Article::getTextOfLastEditWithSectionReplacedOrAdded
 245                                         # for duplicate heading checking and maybe parsing
 246                                         $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
 247                                         # we can't deal with anchors, includes, html etc in the header for now,
 248                                         # headline would need to be parsed to improve this
 249                                         #if($hasmatch and strlen($matches[2]) > 0 and !preg_match( "/[\\['{<>]/", $matches[2])) {
 250                                         if($hasmatch and strlen($matches[2]) > 0) {
 251                                                 $sectionanchor = $this->sectionAnchor( $matches[2] );
 252                                         }
 253                                 }
 254
 255                                 if (wfRunHooks('ArticleSave', $this, $wgUser, $text, $this->summary,
 256                                                            $this->minoredit, $this->watchthis, $sectionanchor))
 257                                 {
 258                                         # update the article here
 259                                         if($this->mArticle->updateArticle( $text, $this->summary, $this->minoredit,
 260                                                                                                            $this->watchthis, '', $sectionanchor ))
 261                                         {
 262                                                 wfRunHooks('ArticleSaveComplete', $this, $wgUser, $text, $this->summary,
 263                                                                    $this->minoredit, $this->watchthis, $sectionanchor);
 264                                                 return;
 265                                         }
 266                                         else
 267                                           $isConflict = true;
 268                                 }
 269                         }
 270                 }
 271                 # First time through: get contents, set time for conflict
 272                 # checking, etc.
 273
 274                 if ( 'initial' == $formtype ) {
 275                         $this->edittime = $this->mArticle->getTimestamp();
 276                         $this->textbox1 = $this->mArticle->getContent( true );
 277                         $this->summary = '';
 278                         $this->proxyCheck();
 279                 }
 280                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 281
 282                 # Enabled article-related sidebar, toplinks, etc.
 283                 $wgOut->setArticleRelated( true );
 284
 285                 if ( $isConflict ) {
 286                         $s = wfMsg( 'editconflict', $this->mTitle->getPrefixedText() );
 287                         $wgOut->setPageTitle( $s );
 288                         $wgOut->addHTML( wfMsg( 'explainconflict' ) );
 289
 290                         $this->textbox2 = $this->textbox1;
 291                         $this->textbox1 = $this->mArticle->getContent( true );
 292                         $this->edittime = $this->mArticle->getTimestamp();
 293                 } else {
 294
 295                         if( $this->section != '' ) {
 296                                 if( $this->section == 'new' ) {
 297                                         $s = wfMsg('editingcomment', $this->mTitle->getPrefixedText() );
 298                                 } else {
 299                                         $s = wfMsg('editingsection', $this->mTitle->getPrefixedText() );
 300                                 }
 301                                 if(!$this->preview) {
 302                                         preg_match( "/^(=+)(.+)\\1/mi",
 303                                                 $this->textbox1,
 304                                                 $matches );
 305                                         if( !empty( $matches[2] ) ) {
 306                                                 $this->summary = "/* ". trim($matches[2])." */ ";
 307                                         }
 308                                 }
 309                         } else {
 310                                 $s = wfMsg( 'editing', $this->mTitle->getPrefixedText() );
 311                         }
 312                         $wgOut->setPageTitle( $s );
 313                         if ( !$wgUseLatin1 && !$this->checkUnicodeCompliantBrowser() ) {
 314                                 $this->mArticle->setOldSubtitle();
 315                                 $wgOut->addWikiText( wfMsg( 'nonunicodebrowser') );
 316                         }
 317                         if ( $this->oldid ) {
 318                                 $this->mArticle->setOldSubtitle();
 319                                 $wgOut->addHTML( wfMsg( 'editingold' ) );
 320                         }
 321                 }
 322
 323                 if( wfReadOnly() ) {
 324                         $wgOut->addHTML( '<strong>' .
 325                         wfMsg( 'readonlywarning' ) .
 326                         "</strong>" );
 327                 } else if ( $isCssJsSubpage and 'preview' != $formtype) {
 328                         $wgOut->addHTML( wfMsg( 'usercssjsyoucanpreview' ));
 329                 }
 330                 if( $this->mTitle->isProtected('edit') ) {
 331                         $wgOut->addHTML( '<strong>' . wfMsg( 'protectedpagewarning' ) .
 332                           "</strong><br />\n" );
 333                 }
 334
 335                 $kblength = (int)(strlen( $this->textbox1 ) / 1024);
 336                 if( $kblength > 29 ) {
 337                         $wgOut->addHTML( '<strong>' .
 338                                 wfMsg( 'longpagewarning', $wgLang->formatNum( $kblength ) )
 339                                 . '</strong>' );
 340                 }
 341
 342                 $rows = $wgUser->getOption( 'rows' );
 343                 $cols = $wgUser->getOption( 'cols' );
 344
 345                 $ew = $wgUser->getOption( 'editwidth' );
 346                 if ( $ew ) $ew = " style=\"width:100%\"";
 347                 else $ew = '';
 348
 349                 $q = 'action=submit';
 350                 #if ( "no" == $redirect ) { $q .= "&redirect=no"; }
 351                 $action = $this->mTitle->escapeLocalURL( $q );
 352
 353                 $summary = wfMsg('summary');
 354                 $subject = wfMsg('subject');
 355                 $minor   = wfMsg('minoredit');
 356                 $watchthis = wfMsg ('watchthis');
 357                 $save = wfMsg('savearticle');
 358                 $prev = wfMsg('showpreview');
 359
 360                 $cancel = $sk->makeKnownLink( $this->mTitle->getPrefixedText(),
 361                                 wfMsg('cancel') );
 362                 $edithelpurl = $sk->makeUrl( wfMsg( 'edithelppage' ));
 363                 $edithelp = '<a target="helpwindow" href="'.$edithelpurl.'">'.
 364                         htmlspecialchars( wfMsg( 'edithelp' ) ).'</a> '.
 365                         htmlspecialchars( wfMsg( 'newwindow' ) );
 366
 367                 global $wgRightsText;
 368                 $copywarn = "<div id=\"editpage-copywarn\">\n" .
 369                         wfMsg( $wgRightsText ? 'copyrightwarning' : 'copyrightwarning2',
 370                                 '[[' . wfMsg( 'copyrightpage' ) . ']]',
 371                                 $wgRightsText ) . "\n</div>";
 372
 373                 if( $wgUser->getOption('showtoolbar') and !$isCssJsSubpage ) {
 374                         # prepare toolbar for edit buttons
 375                         $toolbar = $this->getEditToolbar();
 376                 } else {
 377                         $toolbar = '';
 378                 }
 379
 380                 // activate checkboxes if user wants them to be always active
 381                 if( !$this->preview ) {
 382                         if( $wgUser->getOption( 'watchdefault' ) ) $this->watchthis = true;
 383                         if( $wgUser->getOption( 'minordefault' ) ) $this->minoredit = true;
 384
 385                         // activate checkbox also if user is already watching the page,
 386                         // require wpWatchthis to be unset so that second condition is not
 387                         // checked unnecessarily
 388                         if( !$this->watchthis && $this->mTitle->userIsWatching() ) $this->watchthis = true;
 389                 }
 390
 391                 $minoredithtml = '';
 392
 393                 if ( 0 != $wgUser->getID() || $wgAllowAnonymousMinor ) {
 394                         $minoredithtml =
 395                                 "<input tabindex='3' type='checkbox' value='1' name='wpMinoredit'".($this->minoredit?" checked='checked'":"").
 396                                 " accesskey='".wfMsg('accesskey-minoredit')."' id='wpMinoredit' />".
 397                                 "<label for='wpMinoredit' title='".wfMsg('tooltip-minoredit')."'>{$minor}</label>";
 398                 }
 399
 400                 $watchhtml = '';
 401
 402                 if ( 0 != $wgUser->getID() ) {
 403                         $watchhtml = "<input tabindex='4' type='checkbox' name='wpWatchthis'".($this->watchthis?" checked='checked'":"").
 404                                 " accesskey='".wfMsg('accesskey-watch')."' id='wpWatchthis'  />".
 405                                 "<label for='wpWatchthis' title='".wfMsg('tooltip-watch')."'>{$watchthis}</label>";
 406                 }
 407
 408                 $checkboxhtml = $minoredithtml . $watchhtml . '<br />';
 409
 410                 $wgOut->addHTML( '<div id="wikiPreview">' );
 411                 if ( 'preview' == $formtype) {
 412                         $previewOutput = $this->getPreviewText( $isConflict, $isCssJsSubpage );
 413                         if( $wgUser->getOption('previewontop' ) ) {
 414                                 $wgOut->addHTML( $previewOutput );
 415                                 $wgOut->addHTML( "<br style=\"clear:both;\" />\n" );
 416                         }
 417                 }
 418                 $wgOut->addHTML( '</div>' );
 419
 420                 # if this is a comment, show a subject line at the top, which is also the edit summary.
 421                 # Otherwise, show a summary field at the bottom
 422                 $summarytext = htmlspecialchars( $wgContLang->recodeForEdit( $this->summary ) ); # FIXME
 423                         if( $this->section == 'new' ) {
 424                                 $commentsubject="{$subject}: <input tabindex='1' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60' /><br />";
 425                                 $editsummary = '';
 426                         } else {
 427                                 $commentsubject = '';
 428                                 $editsummary="{$summary}: <input tabindex='3' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60' /><br />";
 429                         }
 430
 431                 if( !$this->preview ) {
 432                 # Don't select the edit box on preview; this interferes with seeing what's going on.
 433                         $wgOut->setOnloadHandler( 'document.editform.wpTextbox1.focus()' );
 434                 }
 435                 # Prepare a list of templates used by this page
 436                 $db =& wfGetDB( DB_SLAVE );
 437                 $page = $db->tableName( 'page' );
 438                 $links = $db->tableName( 'links' );
 439                 $id = $this->mTitle->getArticleID();
 440                 $sql = "SELECT page_namespace,page_title,page_id ".
 441                         "FROM $page,$links WHERE l_to=page_id AND l_from={$id} and page_namespace=".NS_TEMPLATE;
 442                 $res = $db->query( $sql, "EditPage::editform" );
 443
 444                 if ( $db->numRows( $res ) ) {
 445                         $templates = '<br />'. wfMsg( 'templatesused' ) . '<ul>';
 446                         while ( $row = $db->fetchObject( $res ) ) {
 447                                 if ( $titleObj = Title::makeTitle( $row->page_namespace, $row->page_title ) ) {
 448                                         $templates .= '<li>' . $sk->makeLinkObj( $titleObj ) . '</li>';
 449                                 }
 450                         }
 451                         $templates .= '</ul>';
 452                 } else {
 453                         $templates = '';
 454                 }
 455
 456                 global $wgLivePreview, $wgStylePath;
 457                 /**
 458                  * Live Preview lets us fetch rendered preview page content and
 459                  * add it to the page without refreshing the whole page.
 460                  * Set up the button for it; if not supported by the browser
 461                  * it will fall through to the normal form submission method.
 462                  */
 463                 if( $wgLivePreview ) {
 464                         $wgOut->addHTML( '<script type="text/javascript" src="' .
 465                                 htmlspecialchars( $wgStylePath . '/common/preview.js' ) .
 466                                 '"></script>' . "\n" );
 467                         $liveAction = $wgTitle->getLocalUrl( 'action=submit&wpPreview=true&live=true' );
 468                         $liveOnclick = 'onclick="return !livePreview('.
 469                                 'getElementById(\'wikiPreview\'),' .
 470                                 'editform.wpTextbox1.value,' .
 471                                 htmlspecialchars( '"' . $liveAction . '"' ) . ')"';
 472                 } else {
 473                         $liveOnclick = '';
 474                 }
 475
 476                 $wgOut->addHTML( <<<END
 477 {$toolbar}
 478 <form id="editform" name="editform" method="post" action="$action"
 479 enctype="multipart/form-data">
 480 {$commentsubject}
 481 <textarea tabindex='1' accesskey="," name="wpTextbox1" rows='{$rows}'
 482 cols='{$cols}'{$ew}>
 483 END
 484 . htmlspecialchars( $wgContLang->recodeForEdit( $this->textbox1 ) ) .
 485 "
 486 </textarea>
 487 <br />{$editsummary}
 488 {$checkboxhtml}
 489 <input tabindex='5' id='wpSave' type='submit' value=\"{$save}\" name=\"wpSave\" accesskey=\"".wfMsg('accesskey-save')."\"".
 490 " title=\"".wfMsg('tooltip-save')."\"/>
 491 <input tabindex='6' id='wpPreview' type='submit' $liveOnclick value=\"{$prev}\" name=\"wpPreview\" accesskey=\"".wfMsg('accesskey-preview')."\"".
 492 " title=\"".wfMsg('tooltip-preview')."\"/>
 493 <em>{$cancel}</em> | <em>{$edithelp}</em>{$templates}" );
 494                 $wgOut->addWikiText( $copywarn );
 495                 $wgOut->addHTML( "
 496 <input type='hidden' value=\"" . htmlspecialchars( $this->section ) . "\" name=\"wpSection\" />
 497 <input type='hidden' value=\"{$this->edittime}\" name=\"wpEdittime\" />\n" );
 498
 499                 if ( $isConflict ) {
 500                         require_once( "DifferenceEngine.php" );
 501                         $wgOut->addHTML( "<h2>" . wfMsg( "yourdiff" ) . "</h2>\n" );
 502                         DifferenceEngine::showDiff( $this->textbox2, $this->textbox1,
 503                           wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
 504
 505                         $wgOut->addHTML( "<h2>" . wfMsg( "yourtext" ) . "</h2>
 506 <textarea tabindex=6 id='wpTextbox2' name=\"wpTextbox2\" rows='{$rows}' cols='{$cols}' wrap='virtual'>"
 507 . htmlspecialchars( $wgContLang->recodeForEdit( $this->textbox2 ) ) .
 508 "
 509 </textarea>" );
 510                 }
 511                 $wgOut->addHTML( "</form>\n" );
 512                 if($formtype =="preview" && !$wgUser->getOption("previewontop")) {
 513                         $wgOut->addHTML('<div id="wikiPreview">' . $previewOutput . '</div>');
 514                 }
 515         }
 516
 517         function getPreviewText( $isConflict, $isCssJsSubpage ) {
 518                 global $wgOut, $wgUser, $wgTitle, $wgParser;
 519                 $previewhead='<h2>' . wfMsg( 'preview' ) . "</h2>\n<p><center><font color=\"#cc0000\">" .
 520                         wfMsg( 'note' ) . wfMsg( 'previewnote' ) . "</font></center></p>\n";
 521                 if ( $isConflict ) {
 522                         $previewhead.='<h2>' . wfMsg( 'previewconflict' ) .
 523                                 "</h2>\n";
 524                 }
 525
 526                 $parserOptions = ParserOptions::newFromUser( $wgUser );
 527                 $parserOptions->setEditSection( false );
 528                 $parserOptions->setEditSectionOnRightClick( false );
 529
 530                 # don't parse user css/js, show message about preview
 531                 # XXX: stupid php bug won't let us use $wgTitle->isCssJsSubpage() here
 532
 533                 if ( $isCssJsSubpage ) {
 534                         if(preg_match("/\\.css$/", $wgTitle->getText() ) ) {
 535                                 $previewtext = wfMsg('usercsspreview');
 536                         } else if(preg_match("/\\.js$/", $wgTitle->getText() ) ) {
 537                                 $previewtext = wfMsg('userjspreview');
 538                         }
 539                         $parserOutput = $wgParser->parse( $previewtext , $wgTitle, $parserOptions );
 540                         $wgOut->addHTML( $parserOutput->mText );
 541                 } else {
 542                         # if user want to see preview when he edit an article
 543                         if( $wgUser->getOption('previewonfirst') and ($this->textbox1 == '')) {
 544                                 $this->textbox1 = $this->mArticle->getContent(true);
 545                         }
 546
 547                         $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $this->textbox1 ) ."\n\n",
 548                                         $wgTitle, $parserOptions );
 549
 550                         $previewHTML = $parserOutput->mText;
 551                         $wgOut->addCategoryLinks($parserOutput->getCategoryLinks());
 552                         $wgOut->addLanguageLinks($parserOutput->getLanguageLinks());
 553                 }
 554                 return $previewhead . $previewHTML;
 555         }
 556
 557         /**
 558          * @todo document
 559          */
 560         function blockedIPpage() {
 561                 global $wgOut, $wgUser, $wgContLang, $wgIP;
 562
 563                 $wgOut->setPageTitle( wfMsg( 'blockedtitle' ) );
 564                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 565                 $wgOut->setArticleRelated( false );
 566
 567                 $id = $wgUser->blockedBy();
 568                 $reason = $wgUser->blockedFor();
 569                 $ip = $wgIP;
 570
 571                 if ( is_numeric( $id ) ) {
 572                         $name = User::whoIs( $id );
 573                 } else {
 574                         $name = $id;
 575                 }
 576                 $link = '[[' . $wgContLang->getNsText( Namespace::getUser() ) .
 577                   ":{$name}|{$name}]]";
 578
 579                 $wgOut->addWikiText( wfMsg( 'blockedtext', $link, $reason, $ip, $name ) );
 580                 $wgOut->returnToMain( false );
 581         }
 582
 583         /**
 584          * @todo document
 585          */
 586         function userNotLoggedInPage() {
 587                 global $wgOut, $wgUser;
 588
 589                 $wgOut->setPageTitle( wfMsg( 'whitelistedittitle' ) );
 590                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 591                 $wgOut->setArticleRelated( false );
 592
 593                 $wgOut->addWikiText( wfMsg( 'whitelistedittext' ) );
 594                 $wgOut->returnToMain( false );
 595         }
 596
 597         /**
 598          * @todo document
 599          */
 600         function spamPage ( $match = false )
 601         {
 602                 global $wgOut;
 603                 $wgOut->setPageTitle( wfMsg( 'spamprotectiontitle' ) );
 604                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 605                 $wgOut->setArticleRelated( false );
 606
 607                 $wgOut->addWikiText( wfMsg( 'spamprotectiontext' ) );
 608                 if ( $match ) {
 609                         $wgOut->addWikiText( wfMsg( 'spamprotectionmatch', "<nowiki>{$match}</nowiki>" ) );
 610                 }
 611                 $wgOut->returnToMain( false );
 612         }
 613
 614         /**
 615          * Forks processes to scan the originating IP for an open proxy server
 616          * MemCached can be used to skip IPs that have already been scanned
 617          */
 618         function proxyCheck() {
 619                 global $wgBlockOpenProxies, $wgProxyPorts, $wgProxyScriptPath;
 620                 global $wgIP, $wgUseMemCached, $wgMemc, $wgDBname, $wgProxyMemcExpiry;
 621
 622                 if ( !$wgBlockOpenProxies ) {
 623                         return;
 624                 }
 625
 626                 # Get MemCached key
 627                 $skip = false;
 628                 if ( $wgUseMemCached ) {
 629                         $mcKey = $wgDBname.':proxy:ip:'.$wgIP;
 630                         $mcValue = $wgMemc->get( $mcKey );
 631                         if ( $mcValue ) {
 632                                 $skip = true;
 633                         }
 634                 }
 635
 636                 # Fork the processes
 637                 if ( !$skip ) {
 638                         $title = Title::makeTitle( NS_SPECIAL, 'Blockme' );
 639                         $iphash = md5( $wgIP . $wgProxyKey );
 640                         $url = $title->getFullURL( 'ip='.$iphash );
 641
 642                         foreach ( $wgProxyPorts as $port ) {
 643                                 $params = implode( ' ', array(
 644                                                         escapeshellarg( $wgProxyScriptPath ),
 645                                                         escapeshellarg( $wgIP ),
 646                                                         escapeshellarg( $port ),
 647                                                         escapeshellarg( $url )
 648                                                         ));
 649                                 exec( "php $params &>/dev/null &" );
 650                         }
 651                         # Set MemCached key
 652                         if ( $wgUseMemCached ) {
 653                                 $wgMemc->set( $mcKey, 1, $wgProxyMemcExpiry );
 654                         }
 655                 }
 656         }
 657
 658         /**
 659          * @access private
 660          * @todo document
 661          */
 662         function mergeChangesInto( &$text ){
 663                 $yourtext = $this->mArticle->fetchRevisionText();
 664
 665                 $db =& wfGetDB( DB_SLAVE );
 666                 $oldText = $this->mArticle->fetchRevisionText(
 667                         $db->timestamp( $this->edittime ),
 668                         'rev_timestamp' );
 669
 670                 if(wfMerge($oldText, $text, $yourtext, $result)){
 671                         $text = $result;
 672                         return true;
 673                 } else {
 674                         return false;
 675                 }
 676         }
 677
 678
 679         function checkUnicodeCompliantBrowser() {
 680                 global $wgBrowserBlackList;
 681                 $currentbrowser = $_SERVER["HTTP_USER_AGENT"];
 682                 foreach ( $wgBrowserBlackList as $browser ) {
 683                         if ( preg_match($browser, $currentbrowser) ) {
 684                                 return false;
 685                         }
 686                 }
 687                 return true;
 688         }
 689
 690         /**
 691          * Format an anchor fragment as it would appear for a given section name
 692          * @param string $text
 693          * @return string
 694          * @access private
 695          */
 696         function sectionAnchor( $text ) {
 697                 global $wgInputEncoding;
 698                 $headline = do_html_entity_decode( $text, ENT_COMPAT, $wgInputEncoding );
 699                 # strip out HTML
 700                 $headline = preg_replace( '/<.*?' . '>/', '', $headline );
 701                 $headline = trim( $headline );
 702                 $sectionanchor = '#' . urlencode( str_replace( ' ', '_', $headline ) );
 703                 $replacearray = array(
 704                         '%3A' => ':',
 705                         '%' => '.'
 706                 );
 707                 return str_replace(
 708                         array_keys( $replacearray ),
 709                         array_values( $replacearray ),
 710                         $sectionanchor );
 711         }
 712
 713         /**
 714          * Shows a bulletin board style toolbar for common editing functions.
 715          * It can be disabled in the user preferences.
 716          * The necessary JavaScript code can be found in style/wikibits.js.
 717          */
 718         function getEditToolbar() {
 719                 global $wgStylePath, $wgLang, $wgMimeType;
 720
 721                 /**
 722                  * toolarray an array of arrays which each include the filename of
 723                  * the button image (without path), the opening tag, the closing tag,
 724                  * and optionally a sample text that is inserted between the two when no
 725                  * selection is highlighted.
 726                  * The tip text is shown when the user moves the mouse over the button.
 727                  *
 728                  * Already here are accesskeys (key), which are not used yet until someone
 729                  * can figure out a way to make them work in IE. However, we should make
 730                  * sure these keys are not defined on the edit page.
 731                  */
 732                 $toolarray=array(
 733                         array(  'image'=>'button_bold.png',
 734                                         'open'  =>      "\'\'\'",
 735                                         'close' =>      "\'\'\'",
 736                                         'sample'=>      wfMsg('bold_sample'),
 737                                         'tip'   =>      wfMsg('bold_tip'),
 738                                         'key'   =>      'B'
 739                                 ),
 740                         array(  'image'=>'button_italic.png',
 741                                         'open'  =>      "\'\'",
 742                                         'close' =>      "\'\'",
 743                                         'sample'=>      wfMsg('italic_sample'),
 744                                         'tip'   =>      wfMsg('italic_tip'),
 745                                         'key'   =>      'I'
 746                                 ),
 747                         array(  'image'=>'button_link.png',
 748                                         'open'  =>      '[[',
 749                                         'close' =>      ']]',
 750                                         'sample'=>      wfMsg('link_sample'),
 751                                         'tip'   =>      wfMsg('link_tip'),
 752                                         'key'   =>      'L'
 753                                 ),
 754                         array(  'image'=>'button_extlink.png',
 755                                         'open'  =>      '[',
 756                                         'close' =>      ']',
 757                                         'sample'=>      wfMsg('extlink_sample'),
 758                                         'tip'   =>      wfMsg('extlink_tip'),
 759                                         'key'   =>      'X'
 760                                 ),
 761                         array(  'image'=>'button_headline.png',
 762                                         'open'  =>      "\\n== ",
 763                                         'close' =>      " ==\\n",
 764                                         'sample'=>      wfMsg('headline_sample'),
 765                                         'tip'   =>      wfMsg('headline_tip'),
 766                                         'key'   =>      'H'
 767                                 ),
 768                         array(  'image'=>'button_image.png',
 769                                         'open'  =>      '[['.$wgLang->getNsText(NS_IMAGE).":",
 770                                         'close' =>      ']]',
 771                                         'sample'=>      wfMsg('image_sample'),
 772                                         'tip'   =>      wfMsg('image_tip'),
 773                                         'key'   =>      'D'
 774                                 ),
 775                         array(  'image' =>      'button_media.png',
 776                                         'open'  =>      '[['.$wgLang->getNsText(NS_MEDIA).':',
 777                                         'close' =>      ']]',
 778                                         'sample'=>      wfMsg('media_sample'),
 779                                         'tip'   =>      wfMsg('media_tip'),
 780                                         'key'   =>      'M'
 781                                 ),
 782                         array(  'image' =>      'button_math.png',
 783                                         'open'  =>      "\\<math\\>",
 784                                         'close' =>      "\\</math\\>",
 785                                         'sample'=>      wfMsg('math_sample'),
 786                                         'tip'   =>      wfMsg('math_tip'),
 787                                         'key'   =>      'C'
 788                                 ),
 789                         array(  'image' =>      'button_nowiki.png',
 790                                         'open'  =>      "\\<nowiki\\>",
 791                                         'close' =>      "\\</nowiki\\>",
 792                                         'sample'=>      wfMsg('nowiki_sample'),
 793                                         'tip'   =>      wfMsg('nowiki_tip'),
 794                                         'key'   =>      'N'
 795                                 ),
 796                         array(  'image' =>      'button_sig.png',
 797                                         'open'  =>      '--~~~~',
 798                                         'close' =>      '',
 799                                         'sample'=>      '',
 800                                         'tip'   =>      wfMsg('sig_tip'),
 801                                         'key'   =>      'Y'
 802                                 ),
 803                         array(  'image' =>      'button_hr.png',
 804                                         'open'  =>      "\\n----\\n",
 805                                         'close' =>      '',
 806                                         'sample'=>      '',
 807                                         'tip'   =>      wfMsg('hr_tip'),
 808                                         'key'   =>      'R'
 809                                 )
 810                 );
 811                 $toolbar ="<script type='text/javascript'>\n/*<![CDATA[*/\n";
 812
 813                 $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
 814                 foreach($toolarray as $tool) {
 815
 816                         $image=$wgStylePath.'/common/images/'.$tool['image'];
 817                         $open=$tool['open'];
 818                         $close=$tool['close'];
 819                         $sample = addslashes( $tool['sample'] );
 820
 821                         // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
 822                         // Older browsers show a "speedtip" type message only for ALT.
 823                         // Ideally these should be different, realistically they
 824                         // probably don't need to be.
 825                         $tip = addslashes( $tool['tip'] );
 826
 827                         #$key = $tool["key"];
 828
 829                         $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
 830                 }
 831
 832                 $toolbar.="addInfobox('" . addslashes( wfMsg( "infobox" ) ) . "','" . addslashes(wfMsg("infobox_alert")) . "');\n";
 833                 $toolbar.="document.writeln(\"</div>\");\n";
 834
 835                 $toolbar.="/*]]>*/\n</script>";
 836                 return $toolbar;
 837         }
 838
 839         /**
 840          * Output preview text only. This can be sucked into the edit page
 841          * via JavaScript, and saves the server time rendering the skin as
 842          * well as theoretically being more robust on the client (doesn't
 843          * disturb the edit box's undo history, won't eat your text on
 844          * failure, etc).
 845          *
 846          * @todo This doesn't include category or interlanguage links.
 847          *       Would need to enhance it a bit, maybe wrap them in XML
 848          *       or something... that might also require more skin
 849          *       initialization, so check whether that's a problem.
 850          */
 851         function livePreview() {
 852                 global $wgOut;
 853                 $wgOut->disable();
 854                 header( 'Content-type: text/xml' );
 855                 header( 'Cache-control: no-cache' );
 856                 # FIXME
 857                 echo $this->getPreviewText( false, false );
 858         }
 859
 860 }
 861
 862 ?>