isAllowed( 'replacetext' ) ) { $wgOut->permissionRequired( 'replacetext' ); return; } $this->user = $wgUser; $this->setHeaders(); $this->doSpecialReplaceText(); } static function getSelectedNamespaces() { global $wgRequest; $all_namespaces = SearchEngine::searchableNamespaces(); $selected_namespaces = array(); foreach ( $all_namespaces as $ns => $name ) { if ( $wgRequest->getCheck( 'ns' . $ns ) ) { $selected_namespaces[] = $ns; } } return $selected_namespaces; } function doSpecialReplaceText() { global $wgUser, $wgOut, $wgRequest, $wgLang; $this->target = $wgRequest->getText( 'target' ); $this->replacement = $wgRequest->getText( 'replacement' ); $this->category = $wgRequest->getText( 'category' ); $this->prefix = $wgRequest->getText( 'prefix' ); $this->edit_pages = ( $wgRequest->getVal( 'edit_pages' ) == 1 ); $this->move_pages = ( $wgRequest->getVal( 'move_pages' ) == 1 ); $this->selected_namespaces = self::getSelectedNamespaces(); if ( $wgRequest->getCheck( 'continue' ) ) { if ( $this->target === '' ) { $this->showForm( 'replacetext_givetarget' ); return; } } if ( $wgRequest->getCheck( 'replace' ) ) { $replacement_params = array(); $replacement_params['user_id'] = $wgUser->getId(); $replacement_params['target_str'] = $this->target; $replacement_params['replacement_str'] = $this->replacement; $replacement_params['edit_summary'] = wfMsgForContent( 'replacetext_editsummary', $this->target, $this->replacement ); $replacement_params['create_redirect'] = false; $replacement_params['watch_page'] = false; foreach ( $wgRequest->getValues() as $key => $value ) { if ( $key == 'create-redirect' && $value == '1' ) { $replacement_params['create_redirect'] = true; } elseif ( $key == 'watch-pages' && $value == '1' ) { $replacement_params['watch_page'] = true; } } $jobs = array(); foreach ( $wgRequest->getValues() as $key => $value ) { if ( $value == '1' && $key !== 'replace' ) { if ( strpos( $key, 'move-' ) !== false ) { $title = Title::newFromID( substr( $key, 5 ) ); $replacement_params['move_page'] = true; } else { $title = Title::newFromID( $key ); } if ( $title !== null ) $jobs[] = new ReplaceTextJob( $title, $replacement_params ); } } Job::batchInsert( $jobs ); $count = $wgLang->formatNum( count( $jobs ) ); $wgOut->addWikiMsg( 'replacetext_success', "{$this->target}", "{$this->replacement}", $count ); // Link back $sk = $this->user->getSkin(); $wgOut->addHTML( $sk->makeKnownLinkObj( $this->getTitle(), wfMsgHtml( 'replacetext_return' ) ) ); return; } elseif ( $wgRequest->getCheck( 'target' ) ) { // very long elseif, look for "end elseif" // first, check that at least one namespace has been // picked, and that either editing or moving pages // has been selected if ( count( $this->selected_namespaces ) == 0 ) { $this->showForm( 'replacetext_nonamespace' ); return; } if ( ! $this->edit_pages && ! $this->move_pages ) { $this->showForm( 'replacetext_editormove' ); return; } $jobs = array(); $titles_for_edit = array(); $titles_for_move = array(); $unmoveable_titles = array(); // if user is replacing text within pages... if ( $this->edit_pages ) { $res = $this->doSearchQuery( $this->target, $this->selected_namespaces, $this->category, $this->prefix ); foreach ( $res as $row ) { $title = Title::makeTitleSafe( $row->page_namespace, $row->page_title ); $context = $this->extractContext( $row->old_text, $this->target ); $titles_for_edit[] = array( $title, $context ); } } if ( $this->move_pages ) { $res = $this->getMatchingTitles( $this->target, $this->selected_namespaces, $this->category, $this->prefix ); foreach ( $res as $row ) { $title = Title::makeTitleSafe( $row->page_namespace, $row->page_title ); // see if this move can happen $cur_page_name = str_replace( '_', ' ', $row->page_title ); $new_page_name = str_replace( $this->target, $this->replacement, $cur_page_name ); $new_title = Title::makeTitleSafe( $row->page_namespace, $new_page_name ); $err = $title->isValidMoveOperation( $new_title ); if ( $title->userCan( 'move', true ) && !is_array( $err ) ) { $titles_for_move[] = $title; } else { $unmoveable_titles[] = $title; } } } // if no results were found, check to see if a bad // category name was entered if ( count( $titles_for_edit ) == 0 && count( $titles_for_move ) == 0 ) { $sk = $this->user->getSkin(); $bad_cat_name = false; if ( ! empty( $this->category ) ) { $category_title = Title::makeTitleSafe( NS_CATEGORY, $this->category ); if ( ! $category_title->exists() ) $bad_cat_name = true; } if ( $bad_cat_name ) { $wgOut->addHTML( wfMsg( 'replacetext_nosuchcategory', $sk->link( $category_title, ucfirst( $this->category ) ) ) ); } else { if ( $this->edit_pages ) $wgOut->addWikiMsg( 'replacetext_noreplacement', "{$this->target}" ); if ( $this->move_pages ) $wgOut->addWikiMsg( 'replacetext_nomove', "{$this->target}" ); } // link back to starting form $wgOut->addHTML( '

' . $sk->makeKnownLinkObj( $this->getTitle(), wfMsg( 'replacetext_return' ) ) . '

' ); } else { // show a warning message if the replacement string // is either blank or found elsewhere on the wiki // (since undoing the replacement would be // difficult in either case) $warning_msg = null; if ( $this->replacement === '' ) { $warning_msg = wfMsg('replacetext_blankwarning'); } elseif ( count( $titles_for_edit ) > 0 ) { $res = $this->doSearchQuery( $this->replacement, $this->selected_namespaces, $this->category, $this->prefix ); $count = $res->numRows(); if ( $count > 0 ) { $warning_msg = wfMsgExt( 'replacetext_warning', 'parsemag', $wgLang->formatNum( $count ), "{$this->replacement}" ); } } elseif ( count( $titles_for_move ) > 0 ) { $res = $this->getMatchingTitles( $this->replacement, $this->selected_namespaces, $this->category, $this->prefix ); $count = $res->numRows(); if ( $count > 0 ) { $warning_msg = wfMsgExt( 'replacetext_warning', 'parsemag', $wgLang->formatNum( $count ), $this->replacement ); } } if ( ! is_null( $warning_msg ) ) { $wgOut->addWikiText("
$warning_msg

"); } $this->pageListForm( $titles_for_edit, $titles_for_move, $unmoveable_titles ); } return; } // if we're still here, show the starting form $this->showForm(); } function showForm( $warning_msg = null ) { global $wgOut; $wgOut->addHTML( Xml::openElement( 'form', array( 'id' => 'powersearch', 'action' => $this->getTitle()->getFullUrl(), 'method' => 'post' ) ) . Xml::hidden( 'title', $this->getTitle()->getPrefixedText() ) . Xml::hidden( 'continue', 1 ) ); if ( is_null( $warning_msg ) ) { $wgOut->addWikiMsg( 'replacetext_docu' ); } else { $actual_warning_msg = wfMsg( $warning_msg ); $wgOut->addWikiText("
$actual_warning_msg

"); } $wgOut->addHTML( '
' ); $wgOut->addWikiMsg( 'replacetext_originaltext' ); $wgOut->addHTML( '' ); // 'width: auto' style is needed to override MediaWiki's // normal 'width: 100%', which causes the textarea to get // zero width in IE $wgOut->addHTML( Xml::textarea( 'target', $this->target, 50, 2, array( 'style' => 'width: auto;' ) ) ); $wgOut->addHTML( '
' ); $wgOut->addWikiMsg( 'replacetext_replacementtext' ); $wgOut->addHTML( '' ); $wgOut->addHTML( Xml::textarea( 'replacement', $this->replacement, 50, 2, array( 'style' => 'width: auto;' ) ) ); $wgOut->addHTML( '
' ); // the interface is heavily based on the one in Special:Search $search_label = wfMsg( 'powersearch-ns' ); $namespaces = SearchEngine::searchableNamespaces(); $tables = $this->namespaceTables( $namespaces ); $wgOut->addHTML( "
\n" . "
\n" . Xml::tags( 'h4', null, wfMsgExt( 'powersearch-ns', array( 'parseinline' ) ) ) ); // the ability to select/unselect groups of namespaces in the // search interface was added in MW 1.16 - check for the // presence of the 'powersearch-togglelabel' message to see // if we can use this functionality here if ( ! wfEmptyMsg( 'powersearch-togglelabel', wfMsg( 'powersearch-togglelabel' ) ) ) { $wgOut->addHTML( Xml::tags( 'div', array( 'id' => 'mw-search-togglebox' ), Xml::label( wfMsg( 'powersearch-togglelabel' ), 'mw-search-togglelabel' ) . Xml::element( 'input', array( 'type'=>'button', 'id' => 'mw-search-toggleall', 'onclick' => 'mwToggleSearchCheckboxes("all");', 'value' => wfMsg( 'powersearch-toggleall' ) ) ) . Xml::element( 'input', array( 'type'=>'button', 'id' => 'mw-search-togglenone', 'onclick' => 'mwToggleSearchCheckboxes("none");', 'value' => wfMsg( 'powersearch-togglenone' ) ) ) ) ); } // end if $wgOut->addHTML( Xml::element( 'div', array( 'class' => 'divider' ), '', false ) . "$tables\n
" ); $optional_filters_label = wfMsg( 'replacetext_optionalfilters' ); $category_search_label = wfMsg( 'replacetext_categorysearch' ); $prefix_search_label = wfMsg( 'replacetext_prefixsearch' ); $wgOut->addHTML( "
\n" . Xml::tags( 'h4', null, wfMsgExt( 'replacetext_optionalfilters', array( 'parseinline' ) ) ) . Xml::element( 'div', array( 'class' => 'divider' ), '', false ) . "

$category_search_label\n" . Xml::input( 'category', 20, $this->category ) . '

' . "

$prefix_search_label\n" . Xml::input( 'prefix', 20, $this->prefix ) . '

' . "
\n" . "

\n" . Xml::checkLabel( wfMsg( 'replacetext_editpages' ), 'edit_pages', 'edit_pages', true ) . '
' . Xml::checkLabel( wfMsg( 'replacetext_movepages' ), 'move_pages', 'move_pages' ) . "

\n" . Xml::submitButton( wfMsg( 'replacetext_continue' ) ) . Xml::closeElement( 'form' ) ); // add javascript specific to special:search $wgOut->addScriptFile( 'search.js' ); } /** * Copied almost exactly from MediaWiki's SpecialSearch class, i.e. * the search page */ function namespaceTables( $namespaces, $rowsPerTable = 3 ) { global $wgContLang; // Group namespaces into rows according to subject. // Try not to make too many assumptions about namespace numbering. $rows = array(); $tables = ""; foreach ( $namespaces as $ns => $name ) { $subj = MWNamespace::getSubject( $ns ); if ( !array_key_exists( $subj, $rows ) ) { $rows[$subj] = ""; } $name = str_replace( '_', ' ', $name ); if ( '' == $name ) { $name = wfMsg( 'blanknamespace' ); } $rows[$subj] .= Xml::openElement( 'td', array( 'style' => 'white-space: nowrap' ) ) . Xml::checkLabel( $name, "ns{$ns}", "mw-search-ns{$ns}", in_array( $ns, $namespaces ) ) . Xml::closeElement( 'td' ) . "\n"; } $rows = array_values( $rows ); $numRows = count( $rows ); // Lay out namespaces in multiple floating two-column tables so they'll // be arranged nicely while still accommodating different screen widths // Float to the right on RTL wikis $tableStyle = $wgContLang->isRTL() ? 'float: right; margin: 0 0 0em 1em' : 'float: left; margin: 0 1em 0em 0'; // Build the final HTML table... for ( $i = 0; $i < $numRows; $i += $rowsPerTable ) { $tables .= Xml::openElement( 'table', array( 'style' => $tableStyle ) ); for ( $j = $i; $j < $i + $rowsPerTable && $j < $numRows; $j++ ) { $tables .= "\n" . $rows[$j] . ""; } $tables .= Xml::closeElement( 'table' ) . "\n"; } return $tables; } function pageListForm( $titles_for_edit, $titles_for_move, $unmoveable_titles ) { global $wgOut, $wgLang, $wgScript; $skin = $this->user->getSkin(); $formOpts = array( 'id' => 'choose_pages', 'method' => 'post', 'action' => $this->getTitle()->getFullUrl() ); $wgOut->addHTML( Xml::openElement( 'form', $formOpts ) . Xml::hidden( 'title', $this->getTitle()->getPrefixedText() ) . Xml::hidden( 'target', $this->target ) . Xml::hidden( 'replacement', $this->replacement ) ); $js = file_get_contents( dirname( __FILE__ ) . '/ReplaceText.js' ); $js = ''; $wgOut->addScript( $js ); if ( count( $titles_for_edit ) > 0 ) { $wgOut->addWikiMsg( 'replacetext_choosepagesforedit', "{$this->target}", "{$this->replacement}", $wgLang->formatNum( count( $titles_for_edit ) ) ); foreach ( $titles_for_edit as $title_and_context ) { list( $title, $context ) = $title_and_context; $wgOut->addHTML( Xml::check( $title->getArticleID(), true ) . $skin->makeKnownLinkObj( $title, $title->getPrefixedText() ) . " - $context
\n" ); } $wgOut->addHTML( '
' ); } if ( count( $titles_for_move ) > 0 ) { $wgOut->addWikiMsg( 'replacetext_choosepagesformove', $this->target, $this->replacement, $wgLang->formatNum( count( $titles_for_move ) ) ); foreach ( $titles_for_move as $title ) { $wgOut->addHTML( Xml::check( 'move-' . $title->getArticleID(), true ) . $skin->makeLinkObj( $title, $title->prefix( $title->getText() ) ) . "
\n" ); } $wgOut->addHTML( '
' ); $wgOut->addWikiMsg( 'replacetext_formovedpages' ); $wgOut->addHTML( Xml::checkLabel( wfMsg( 'replacetext_savemovedpages' ), 'create-redirect', 'create-redirect', true ) . "
\n" . Xml::checkLabel( wfMsg( 'replacetext_watchmovedpages' ), 'watch-pages', 'watch-pages', false ) ); $wgOut->addHTML( '
' ); } $wgOut->addHTML( "
\n" . Xml::submitButton( wfMsg( 'replacetext_replace' ) ) . Xml::hidden( 'replace', 1 ) ); // only show "invert selections" link if there are more than five pages if ( count( $titles_for_edit ) + count( $titles_for_move ) > 5 ) { $buttonOpts = array( 'type' => 'button', 'value' => wfMsg( 'replacetext_invertselections' ), 'onclick' => 'invertSelections(); return false;' ); $wgOut->addHTML( Xml::element( 'input', $buttonOpts ) ); } $wgOut->addHTML( '' ); if ( count( $unmoveable_titles ) > 0 ) { $wgOut->addWikiMsg( 'replacetext_cannotmove', $wgLang->formatNum( count( $unmoveable_titles ) ) ); $text = "\n"; $wgOut->addHTML( $text ); } } /** * Extract context and highlights search text */ function extractContext( $text, $target ) { global $wgLang; $cw = $this->user->getOption( 'contextchars', 40 ); // Get all indexes $targetq = preg_quote( $target, '/' ); preg_match_all( "/$targetq/", $text, $matches, PREG_OFFSET_CAPTURE ); $poss = array(); foreach ( $matches[0] as $_ ) { $poss[] = $_[1]; } $cuts = array(); for ( $i = 0; $i < count( $poss ); $i++ ) { $index = $poss[$i]; $len = strlen( $target ); // Merge to the next if possible while ( isset( $poss[$i + 1] ) ) { if ( $poss[$i + 1] < $index + $len + $cw * 2 ) { $len += $poss[$i + 1] - $poss[$i]; $i++; } else { break; // Can't merge, exit the inner loop } } $cuts[] = array( $index, $len ); } $context = ''; foreach ( $cuts as $_ ) { list( $index, $len, ) = $_; $context .= self::convertWhiteSpaceToHTML( $wgLang->truncate( substr( $text, 0, $index ), - $cw ) ); $snippet = self::convertWhiteSpaceToHTML( substr( $text, $index, $len ) ); $targetq = preg_quote( self::convertWhiteSpaceToHTML( $target ), '/' ); $context .= preg_replace( "/$targetq/i", '\0', $snippet ); $context .= self::convertWhiteSpaceToHTML( $wgLang->truncate( substr( $text, $index + $len ), $cw ) ); } return $context; } public static function convertWhiteSpaceToHTML( $msg ) { $msg = htmlspecialchars( $msg ); $msg = preg_replace( '/^ /m', '  ', $msg ); $msg = preg_replace( '/ $/m', '  ', $msg ); $msg = preg_replace( '/ /', '  ', $msg ); # $msg = str_replace( "\n", '
', $msg ); return $msg; } function getMatchingTitles( $str, $namespaces, $category, $prefix ) { $dbr = wfGetDB( DB_SLAVE ); $sql_str = $dbr->escapeLike( str_replace( ' ', '_', $str ) ); $include_ns = $dbr->makeList( $namespaces ); $tables = array( 'page' ); $vars = array( 'page_title', 'page_namespace' ); $conds = array( "page_title LIKE '%$sql_str%'", "page_namespace IN ($include_ns)", ); if ( ! empty( $category ) ) { $category = str_replace( ' ', '_', $dbr->escapeLike( $category ) ); $tables[] = 'categorylinks'; $conds[] = 'page_id = cl_from'; $conds[] = "cl_to = '$category'"; } if ( ! empty( $prefix ) ) { $prefix = $dbr->escapeLike( str_replace( ' ', '_', $prefix ) ); $conds[] = "page_title like '$prefix%'"; } return $dbr->select( $tables, $vars, $conds, __METHOD__, array( 'ORDER BY' => 'page_namespace, page_title' ) ); } function doSearchQuery( $search, $namespaces, $category, $prefix ) { $dbr = wfGetDB( DB_SLAVE ); $search = $dbr->escapeLike( $search ); $include_ns = $dbr->makeList( $namespaces ); $tables = array( 'page', 'revision', 'text' ); $vars = array( 'page_id', 'page_namespace', 'page_title', 'old_text' ); $conds = array( "old_text like '%$search%'", "page_namespace in ($include_ns)", 'rev_id = page_latest', 'rev_text_id = old_id' ); if ( ! empty( $category ) ) { $category = str_replace( ' ', '_', $dbr->escapeLike( $category ) ); $tables[] = 'categorylinks'; $conds[] = 'page_id = cl_from'; $conds[] = "cl_to = '$category'"; } if ( ! empty( $prefix ) ) { $prefix = $dbr->escapeLike( str_replace( ' ', '_', $prefix ) ); $conds[] = "page_title like '$prefix%'"; } $sort = array( 'ORDER BY' => 'page_namespace, page_title' ); return $dbr->select( $tables, $vars, $conds, __METHOD__ , $sort ); } }