includes/SpecialMovepage.php

   1 <?php
   2 /**
   3  *
   4  * @addtogroup SpecialPage
   5  */
   6
   7 /**
   8  * Constructor
   9  */
  10 function wfSpecialMovepage( $par = null ) {
  11         global $wgUser, $wgOut, $wgRequest, $action;
  12
  13         # Check rights
  14         if ( !$wgUser->isAllowed( 'move' ) ) {
  15                 $wgOut->showPermissionsErrorPage( array( $wgUser->isAnon() ? 'movenologintext' : 'movenotallowed' ) );
  16                 return;
  17         }
  18
  19         # Don't allow blocked users to move pages
  20         if ( $wgUser->isBlocked() ) {
  21                 $wgOut->blockedPage();
  22                 return;
  23         }
  24
  25         # Check for database lock
  26         if ( wfReadOnly() ) {
  27                 $wgOut->readOnlyPage();
  28                 return;
  29         }
  30
  31         $f = new MovePageForm( $par );
  32
  33         if ( 'submit' == $action && $wgRequest->wasPosted()
  34                 && $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
  35                 $f->doSubmit();
  36         } else {
  37                 $f->showForm( '' );
  38         }
  39 }
  40
  41 /**
  42  * HTML form for Special:Movepage
  43  * @addtogroup SpecialPage
  44  */
  45 class MovePageForm {
  46         var $oldTitle, $newTitle, $reason; # Text input
  47         var $moveTalk, $deleteAndMove, $moveSubpages;
  48
  49         private $watch = false;
  50
  51         function MovePageForm( $par ) {
  52                 global $wgRequest;
  53                 $target = isset($par) ? $par : $wgRequest->getVal( 'target' );
  54                 $this->oldTitle = $wgRequest->getText( 'wpOldTitle', $target );
  55                 $this->newTitle = $wgRequest->getText( 'wpNewTitle' );
  56                 $this->reason = $wgRequest->getText( 'wpReason' );
  57                 if ( $wgRequest->wasPosted() ) {
  58                         $this->moveTalk = $wgRequest->getBool( 'wpMovetalk', false );
  59                 } else {
  60                         $this->moveTalk = $wgRequest->getBool( 'wpMovetalk', true );
  61                 }
  62                 $this->moveSubpages = $wgRequest->getBool( 'wpMovesubpages', false );
  63                 $this->deleteAndMove = $wgRequest->getBool( 'wpDeleteAndMove' ) && $wgRequest->getBool( 'wpConfirm' );
  64                 $this->watch = $wgRequest->getCheck( 'wpWatch' );
  65         }
  66
  67         function showForm( $err, $hookErr = '' ) {
  68                 global $wgOut, $wgUser, $wgNamespacesWithSubpages;
  69
  70                 $ot = Title::newFromURL( $this->oldTitle );
  71                 if( is_null( $ot ) ) {
  72                         $wgOut->showErrorPage( 'notargettitle', 'notargettext' );
  73                         return;
  74                 }
  75
  76                 $sk = $wgUser->getSkin();
  77
  78                 $oldTitleLink = $sk->makeLinkObj( $ot );
  79                 $oldTitle = $ot->getPrefixedText();
  80
  81                 $wgOut->setPagetitle( wfMsg( 'move-page', $oldTitle ) );
  82                 $wgOut->setSubtitle( wfMsg( 'move-page-backlink', $oldTitleLink ) );
  83
  84                 if( $this->newTitle == '' ) {
  85                         # Show the current title as a default
  86                         # when the form is first opened.
  87                         $newTitle = $oldTitle;
  88                 } else {
  89                         if( $err == '' ) {
  90                                 $nt = Title::newFromURL( $this->newTitle );
  91                                 if( $nt ) {
  92                                         # If a title was supplied, probably from the move log revert
  93                                         # link, check for validity. We can then show some diagnostic
  94                                         # information and save a click.
  95                                         $newerr = $ot->isValidMoveOperation( $nt );
  96                                         if( is_string( $newerr ) ) {
  97                                                 $err = $newerr;
  98                                         }
  99                                 }
 100                         }
 101                         $newTitle = $this->newTitle;
 102                 }
 103
 104                 if ( $err == 'articleexists' && $wgUser->isAllowed( 'delete' ) ) {
 105                         $wgOut->addWikiMsg( 'delete_and_move_text', $newTitle );
 106                         $movepagebtn = wfMsg( 'delete_and_move' );
 107                         $submitVar = 'wpDeleteAndMove';
 108                         $confirm = "
 109                                 <tr>
 110                                         <td></td>
 111                                         <td class='mw-input'>" .
 112                                                 Xml::checkLabel( wfMsg( 'delete_and_move_confirm' ), 'wpConfirm', 'wpConfirm' ) .
 113                                         "</td>
 114                                 </tr>";
 115                         $err = '';
 116                 } else {
 117                         $wgOut->addWikiMsg( 'movepagetext' );
 118                         $movepagebtn = wfMsg( 'movepagebtn' );
 119                         $submitVar = 'wpMove';
 120                         $confirm = false;
 121                 }
 122
 123                 $oldTalk = $ot->getTalkPage();
 124                 $considerTalk = ( !$ot->isTalkPage() && $oldTalk->exists() );
 125
 126                 if ( $considerTalk ) {
 127                         $wgOut->addWikiMsg( 'movepagetalktext' );
 128                 }
 129
 130                 $titleObj = SpecialPage::getTitleFor( 'Movepage' );
 131                 $token = htmlspecialchars( $wgUser->editToken() );
 132
 133                 if ( $err != '' ) {
 134                         $wgOut->setSubtitle( wfMsg( 'formerror' ) );
 135                         $errMsg = "";
 136                         if( $err == 'hookaborted' ) {
 137                                 $errMsg = "<p><strong class=\"error\">$hookErr</strong></p>\n";
 138                         } else if (is_array($err)) {
 139                                 $errMsg = '<p><strong class="error">' . call_user_func_array( 'wfMsgWikiHtml', $err ) . "</strong></p>\n";
 140                         } else {
 141                                 $errMsg = '<p><strong class="error">' . wfMsgWikiHtml( $err ) . "</strong></p>\n";
 142                         }
 143                         $wgOut->addHTML( $errMsg );
 144                 }
 145
 146                 $wgOut->addHTML(
 147                          Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( 'action=submit' ), 'id' => 'movepage' ) ) .
 148                          Xml::openElement( 'fieldset' ) .
 149                          Xml::element( 'legend', null, wfMsg( 'move-page-legend' ) ) .
 150                          Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-movepage-table' ) ) .
 151                          "<tr>
 152                                 <td class='mw-label'>" .
 153                                         wfMsgHtml( 'movearticle' ) .
 154                                 "</td>
 155                                 <td class='mw-input'>
 156                                         <strong>{$oldTitleLink}</strong>
 157                                 </td>
 158                         </tr>
 159                         <tr>
 160                                 <td class='mw-label'>" .
 161                                         Xml::label( wfMsg( 'newtitle' ), 'wpNewTitle' ) .
 162                                 "</td>
 163                                 <td class='mw-input'>" .
 164                                         Xml::input( 'wpNewTitle', 40, $newTitle, array( 'type' => 'text', 'id' => 'wpNewTitle' ) ) .
 165                                         Xml::hidden( 'wpOldTitle', $oldTitle ) .
 166                                 "</td>
 167                         </tr>
 168                         <tr>
 169                                 <td class='mw-label'>" .
 170                                         Xml::label( wfMsg( 'movereason' ), 'wpReason' ) .
 171                                 "</td>
 172                                 <td class='mw-input'>" .
 173                                         Xml::tags( 'textarea', array( 'name' => 'wpReason', 'id' => 'wpReason', 'cols' => 60, 'rows' => 2 ), htmlspecialchars( $this->reason ) ) .
 174                                 "</td>
 175                         </tr>"
 176                 );
 177
 178                 if( $considerTalk ) {
 179                         $wgOut->addHTML( "
 180                                 <tr>
 181                                         <td></td>
 182                                         <td class='mw-input'>" .
 183                                         Xml::checkLabel( wfMsg( 'movetalk' ), 'wpMovetalk',
 184                                         'wpMovetalk', $this->moveTalk ? ' checked="checked"' : '').
 185                                         "</td>
 186                                 </tr>"
 187                         );
 188                 }
 189
 190                 if( isset( $wgNamespacesWithSubpages[$ot->getNamespace()] ) ) {
 191                         $wgOut->addHTML( "
 192                                 <tr>
 193                                         <td></td>
 194                                         <td class=\"mw-input\">" .
 195                                                 Xml::checkLabel( wfMsgHtml( 'move-subpages' ),
 196                                                 'wpMovesubpages', 'wpMovesubpages',
 197                                                 $this->moveSubpages ? ' checked="checked"' : '' ) .
 198                                         "</td>
 199                                 </tr>"
 200                         );
 201                 }
 202
 203                 $watchChecked = $this->watch || $wgUser->getBoolOption( 'watchmoves' ) || $ot->userIsWatching();
 204                 $wgOut->addHTML( "
 205                         <tr>
 206                                 <td></td>
 207                                 <td class='mw-input'>" .
 208                                         Xml::checkLabel( wfMsg( 'move-watch' ), 'wpWatch', 'watch', $watchChecked ) .
 209                                 "</td>
 210                         </tr>
 211                                 {$confirm}
 212                         <tr>
 213                                 <td>&nbsp;</td>
 214                                 <td class='mw-submit'>" .
 215                                         Xml::submitButton( $movepagebtn, array( 'name' => $submitVar ) ) .
 216                                 "</td>
 217                         </tr>" .
 218                         Xml::closeElement( 'table' ) .
 219                         Xml::hidden( 'wpEditToken', $token ) .
 220                         Xml::closeElement( 'fieldset' ) .
 221                         Xml::closeElement( 'form' ) .
 222                         "\n"
 223                 );
 224
 225                 $this->showLogFragment( $ot, $wgOut );
 226
 227         }
 228
 229         function doSubmit() {
 230                 global $wgOut, $wgUser, $wgRequest;
 231
 232                 if ( $wgUser->pingLimiter( 'move' ) ) {
 233                         $wgOut->rateLimited();
 234                         return;
 235                 }
 236
 237                 # Variables beginning with 'o' for old article 'n' for new article
 238
 239                 $ot = Title::newFromText( $this->oldTitle );
 240                 $nt = Title::newFromText( $this->newTitle );
 241
 242                 # Delete to make way if requested
 243                 if ( $wgUser->isAllowed( 'delete' ) && $this->deleteAndMove ) {
 244                         $article = new Article( $nt );
 245
 246                         # Disallow deletions of big articles
 247                         $bigHistory = $article->isBigDeletion();
 248                         if( $bigHistory && !$nt->userCan( 'bigdelete' ) ) {
 249                                 global $wgLang, $wgDeleteRevisionsLimit;
 250                                 $this->showForm( array('delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
 251                                 return;
 252                         }
 253
 254                         // This may output an error message and exit
 255                         $article->doDelete( wfMsgForContent( 'delete_and_move_reason' ) );
 256                 }
 257
 258                 # don't allow moving to pages with # in
 259                 if ( !$nt || $nt->getFragment() != '' ) {
 260                         $this->showForm( 'badtitletext' );
 261                         return;
 262                 }
 263
 264                 $hookErr = null;
 265                 if( !wfRunHooks( 'AbortMove', array( $ot, $nt, $wgUser, &$hookErr ) ) ) {
 266                         $this->showForm( 'hookaborted', $hookErr );
 267                         return;
 268                 }
 269
 270                 $error = $ot->moveTo( $nt, true, $this->reason );
 271                 if ( $error !== true ) {
 272                         $this->showForm( $error );
 273                         return;
 274                 }
 275
 276                 wfRunHooks( 'SpecialMovepageAfterMove', array( &$this , &$ot , &$nt ) ) ;
 277
 278                 $wgOut->setPagetitle( wfMsg( 'pagemovedsub' ) );
 279
 280                 $oldUrl = $ot->getFullUrl( 'redirect=no' );
 281                 $newUrl = $nt->getFullUrl();
 282                 $oldText = $ot->getPrefixedText();
 283                 $newText = $nt->getPrefixedText();
 284                 $oldLink = "<span class='plainlinks'>[$oldUrl $oldText]</span>";
 285                 $newLink = "<span class='plainlinks'>[$newUrl $newText]</span>";
 286
 287                 $wgOut->addWikiMsg( 'movepage-moved', $oldLink, $newLink, $oldText, $newText );
 288
 289                 # Now we move extra pages we've been asked to move: subpages and talk
 290                 # pages.  First, if the old page or the new page is a talk page, we
 291                 # can't move any talk pages: cancel that.
 292                 if( $ot->isTalkPage() || $nt->isTalkPage() ) {
 293                         $this->moveTalk = false;
 294                 }
 295
 296                 # Next make a list of id's.  This might be marginally less efficient
 297                 # than a more direct method, but this is not a highly performance-cri-
 298                 # tical code path and readable code is more important here.
 299                 #
 300                 # Note: this query works nicely on MySQL 5, but the optimizer in MySQL
 301                 # 4 might get confused.  If so, consider rewriting as a UNION.
 302                 $dbr = wfGetDB( DB_SLAVE );
 303                 if( $this->moveSubpages ) {
 304                         $conds = array(
 305                                 'page_title LIKE '.$dbr->addQuotes( $dbr->escapeLike( $ot->getDBkey() ) . '/%' )
 306                                         .' OR page_title = ' . $dbr->addQuotes( $ot->getDBkey() )
 307                         );
 308                         if( $this->moveTalk ) {
 309                                 $conds['page_namespace'] = array( $ot->getNamespace(),
 310                                         MWNamespace::getTalk($ot->getNamespace()) );
 311                         } else {
 312                                 $conds['page_namespace'] = $ot->getNamespace();
 313                         }
 314                 } else {
 315                         if( $this->moveTalk ) {
 316                                 $conds = array(
 317                                         'page_namespace' => MWNamespace::getTalk($ot->getNamespace()),
 318                                         'page_title' => $ot->getDBKey()
 319                                 );
 320                         } else {
 321                                 $conds = '0 = 1';
 322                         }
 323                 }
 324
 325                 $extrapages = $dbr->select(
 326                         'page',
 327                         array( 'page_id', 'page_namespace', 'page_title' ),
 328                         $conds,
 329                         __METHOD__
 330                 );
 331
 332                 $extraOutput = '';
 333                 $skin =& $wgUser->getSkin();
 334                 foreach( $extrapages as $row ) {
 335                         if( $row->page_id == $ot->getArticleId() ) {
 336                                 # Already did this one.
 337                                 continue;
 338                         }
 339
 340                         $oldPage = Title::newFromRow( $row );
 341                         $newPageName = preg_replace(
 342                                 '#^'.preg_quote( $ot->getDBKey(), '#' ).'#',
 343                                 $nt->getDBKey(),
 344                                 $oldPage->getDBKey()
 345                         );
 346                         # The following line is an atrocious hack.  Kill it.
 347                         $newNs = $nt->getNamespace() + ($oldPage->getNamespace() & 1);
 348                         $newPage = Title::makeTitle( $newNs, $newPageName );
 349
 350                         # This was copy-pasted from Renameuser, bleh.
 351                         if ( $newPage->exists() && !$oldPage->isValidMoveTarget( $newPage ) ) {
 352                                 $link = $skin->makeKnownLinkObj( $newPage );
 353                                 $extraOutput .= '<li>' . wfMsgHtml( 'movepage-page-exists', $link ) . '</li>';
 354                         } else {
 355                                 $success = $oldPage->moveTo( $newPage, true, $this->reason );
 356                                 if( $success === true ) {
 357                                         $oldLink = $skin->makeKnownLinkObj( $oldPage, '', 'redirect=no' );
 358                                         $newLink = $skin->makeKnownLinkObj( $newPage );
 359                                         $extraOutput .= '<li>' . wfMsgHtml( 'movepage-page-moved', $oldLink, $newLink ) . '</li>';
 360                                 } else {
 361                                         $oldLink = $skin->makeKnownLinkObj( $oldPage );
 362                                         $newLink = $skin->makeLinkObj( $newPage );
 363                                         $extraOutput .= '<li>' . wfMsgHtml( 'movepage-page-unmoved', $oldLink, $newLink ) . '</li>';
 364                                 }
 365                         }
 366                 }
 367
 368                 if( $extraOutput !== '' ) {
 369                         $wgOut->addHTML( "<ul>$extraOutput</ul>" );
 370                 }
 371
 372                 # Deal with watches
 373                 if( $this->watch ) {
 374                         $wgUser->addWatch( $ot );
 375                         $wgUser->addWatch( $nt );
 376                 } else {
 377                         $wgUser->removeWatch( $ot );
 378                         $wgUser->removeWatch( $nt );
 379                 }
 380         }
 381
 382         function showLogFragment( $title, &$out ) {
 383                 $out->addHTML( Xml::element( 'h2', NULL, LogPage::logName( 'move' ) ) );
 384                 LogEventsList::showLogExtract( $out, 'move', $title->getPrefixedText() );
 385         }
 386
 387 }