mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/ReplaceText
synced 2024-11-16 03:09:55 +00:00
532 lines
19 KiB
PHP
532 lines
19 KiB
PHP
<?php
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if ( !defined( 'MEDIAWIKI' ) ) die();
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class ReplaceText extends SpecialPage {
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/**
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* Constructor
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*/
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public function __construct() {
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parent::__construct( 'ReplaceText', 'replacetext' );
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wfLoadExtensionMessages( 'ReplaceText' );
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}
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function execute( $query ) {
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global $wgUser, $wgOut;
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if ( ! $wgUser->isAllowed( 'replacetext' ) ) {
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$wgOut->permissionRequired( 'replacetext' );
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return;
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}
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$this->user = $wgUser;
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$this->setHeaders();
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$this->doSpecialReplaceText();
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}
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static function getSelectedNamespaces() {
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global $wgRequest;
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$all_namespaces = SearchEngine::searchableNamespaces();
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$selected_namespaces = array();
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foreach ( $all_namespaces as $ns => $name ) {
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if ( $wgRequest->getCheck( 'ns' . $ns ) ) {
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$selected_namespaces[] = $ns;
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}
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}
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return $selected_namespaces;
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}
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function doSpecialReplaceText() {
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global $wgUser, $wgOut, $wgRequest, $wgLang;
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$this->target = $wgRequest->getText( 'target' );
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$this->replacement = $wgRequest->getText( 'replacement' );
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$this->category = $wgRequest->getText( 'category' );
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$this->prefix = $wgRequest->getText( 'prefix' );
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$this->edit_pages = ( $wgRequest->getVal( 'edit_pages' ) == 1 );
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$this->move_pages = ( $wgRequest->getVal( 'move_pages' ) == 1 );
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$this->selected_namespaces = self::getSelectedNamespaces();
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if ( $wgRequest->getCheck( 'continue' ) ) {
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if ( $this->target === '' ) {
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$this->showForm( 'replacetext_givetarget' );
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return;
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}
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}
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if ( $wgRequest->getCheck( 'replace' ) ) {
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$replacement_params = array();
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$replacement_params['user_id'] = $wgUser->getId();
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$replacement_params['target_str'] = $this->target;
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$replacement_params['replacement_str'] = $this->replacement;
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$replacement_params['edit_summary'] = wfMsgForContent( 'replacetext_editsummary', $this->target, $this->replacement );
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$replacement_params['create_redirect'] = false;
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$replacement_params['watch_page'] = false;
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foreach ( $wgRequest->getValues() as $key => $value ) {
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if ( $key == 'create-redirect' && $value == '1' ) {
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$replacement_params['create_redirect'] = true;
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} elseif ( $key == 'watch-pages' && $value == '1' ) {
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$replacement_params['watch_page'] = true;
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}
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}
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$jobs = array();
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foreach ( $wgRequest->getValues() as $key => $value ) {
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if ( $value == '1' && $key !== 'replace' ) {
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if ( strpos( $key, 'move-' ) !== false ) {
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$title = Title::newFromID( substr( $key, 5 ) );
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$replacement_params['move_page'] = true;
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} else {
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$title = Title::newFromID( $key );
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}
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if ( $title !== null )
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$jobs[] = new ReplaceTextJob( $title, $replacement_params );
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}
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}
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Job::batchInsert( $jobs );
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$count = $wgLang->formatNum( count( $jobs ) );
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$wgOut->addWikiMsg( 'replacetext_success', "<tt><nowiki>{$this->target}</nowiki></tt>", "<tt><nowiki>{$this->replacement}</nowiki></tt>", $count );
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// Link back
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$sk = $this->user->getSkin();
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$wgOut->addHTML( $sk->makeKnownLinkObj( $this->getTitle(), wfMsgHtml( 'replacetext_return' ) ) );
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return;
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} elseif ( $wgRequest->getCheck( 'target' ) ) { // very long elseif, look for "end elseif"
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// first, check that at least one namespace has been
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// picked, and that either editing or moving pages
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// has been selected
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if ( count( $this->selected_namespaces ) == 0 ) {
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$this->showForm( 'replacetext_nonamespace' );
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return;
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}
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if ( ! $this->edit_pages && ! $this->move_pages ) {
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$this->showForm( 'replacetext_editormove' );
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return;
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}
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$jobs = array();
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$titles_for_edit = array();
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$titles_for_move = array();
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$unmoveable_titles = array();
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// if user is replacing text within pages...
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if ( $this->edit_pages ) {
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$res = $this->doSearchQuery( $this->target, $this->selected_namespaces, $this->category, $this->prefix );
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foreach ( $res as $row ) {
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$title = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
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$context = $this->extractContext( $row->old_text, $this->target );
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$titles_for_edit[] = array( $title, $context );
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}
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}
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if ( $this->move_pages ) {
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$res = $this->getMatchingTitles( $this->target, $this->selected_namespaces, $this->category, $this->prefix );
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foreach ( $res as $row ) {
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$title = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
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// see if this move can happen
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$cur_page_name = str_replace( '_', ' ', $row->page_title );
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$new_page_name = str_replace( $this->target, $this->replacement, $cur_page_name );
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$new_title = Title::makeTitleSafe( $row->page_namespace, $new_page_name );
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$err = $title->isValidMoveOperation( $new_title );
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if ( $title->userCan( 'move', true ) && !is_array( $err ) ) {
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$titles_for_move[] = $title;
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} else {
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$unmoveable_titles[] = $title;
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}
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}
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}
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// if no results were found, check to see if a bad
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// category name was entered
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if ( count( $titles_for_edit ) == 0 && count( $titles_for_move ) == 0 ) {
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$sk = $this->user->getSkin();
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$bad_cat_name = false;
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if ( ! empty( $this->category ) ) {
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$category_title = Title::makeTitleSafe( NS_CATEGORY, $this->category );
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if ( ! $category_title->exists() ) $bad_cat_name = true;
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}
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if ( $bad_cat_name ) {
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$wgOut->addHTML( wfMsg( 'replacetext_nosuchcategory', $sk->link( $category_title, ucfirst( $this->category ) ) ) );
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} else {
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if ( $this->edit_pages )
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$wgOut->addWikiMsg( 'replacetext_noreplacement', "<tt><nowiki>{$this->target}</nowiki></tt>" );
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if ( $this->move_pages )
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$wgOut->addWikiMsg( 'replacetext_nomove', "<tt><nowiki>{$this->target}</nowiki></tt>" );
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}
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// link back to starting form
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$wgOut->addHTML( '<p>' . $sk->makeKnownLinkObj( $this->getTitle(), wfMsg( 'replacetext_return' ) ) . '</p>' );
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} else {
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// show a warning message if the replacement string
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// is either blank or found elsewhere on the wiki
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// (since undoing the replacement would be
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// difficult in either case)
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$warning_msg = null;
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if ( $this->replacement === '' ) {
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$warning_msg = wfMsg('replacetext_blankwarning');
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} elseif ( count( $titles_for_edit ) > 0 ) {
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$res = $this->doSearchQuery( $this->replacement, $this->selected_namespaces, $this->category, $this->prefix );
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$count = $res->numRows();
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if ( $count > 0 ) {
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$warning_msg = wfMsgExt( 'replacetext_warning', 'parsemag',
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$wgLang->formatNum( $count ),
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"<tt><nowiki>{$this->replacement}</nowiki></tt>"
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);
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}
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} elseif ( count( $titles_for_move ) > 0 ) {
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$res = $this->getMatchingTitles( $this->replacement, $this->selected_namespaces, $this->category, $this->prefix );
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$count = $res->numRows();
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if ( $count > 0 ) {
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$warning_msg = wfMsgExt( 'replacetext_warning', 'parsemag',
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$wgLang->formatNum( $count ),
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$this->replacement
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);
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}
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}
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if ( ! is_null( $warning_msg ) ) {
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$wgOut->addWikiText("<div class=\"errorbox\">$warning_msg</div><br clear=\"both\" />");
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}
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$this->pageListForm( $titles_for_edit, $titles_for_move, $unmoveable_titles );
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}
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return;
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}
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// if we're still here, show the starting form
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$this->showForm();
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}
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function showForm( $warning_msg = null ) {
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global $wgOut;
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$wgOut->addHTML(
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Xml::openElement( 'form', array( 'id' => 'powersearch', 'action' => $this->getTitle()->getFullUrl(), 'method' => 'post' ) ) .
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Xml::hidden( 'title', $this->getTitle()->getPrefixedText() ) .
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Xml::hidden( 'continue', 1 )
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);
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if ( is_null( $warning_msg ) ) {
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$wgOut->addWikiMsg( 'replacetext_docu' );
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} else {
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$actual_warning_msg = wfMsg( $warning_msg );
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$wgOut->addWikiText("<div class=\"errorbox\">$actual_warning_msg</div><br clear=\"both\" />");
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}
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$wgOut->addHTML( '<table><tr><td style="vertical-align: top;">' );
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$wgOut->addWikiMsg( 'replacetext_originaltext' );
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$wgOut->addHTML( '</td><td>' );
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// 'width: auto' style is needed to override MediaWiki's
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// normal 'width: 100%', which causes the textarea to get
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// zero width in IE
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$wgOut->addHTML( Xml::textarea( 'target', $this->target, 50, 2, array( 'style' => 'width: auto;' ) ) );
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$wgOut->addHTML( '</td></tr><tr><td style="vertical-align: top;">' );
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$wgOut->addWikiMsg( 'replacetext_replacementtext' );
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$wgOut->addHTML( '</td><td>' );
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$wgOut->addHTML( Xml::textarea( 'replacement', $this->replacement, 50, 2, array( 'style' => 'width: auto;' ) ) );
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$wgOut->addHTML( '</td></tr></table>' );
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// the interface is heavily based on the one in Special:Search
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$search_label = wfMsg( 'powersearch-ns' );
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$namespaces = SearchEngine::searchableNamespaces();
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$tables = $this->namespaceTables( $namespaces );
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$wgOut->addHTML(
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"<div class=\"mw-search-formheader\"></div>\n" .
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"<fieldset id=\"mw-searchoptions\">\n" .
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Xml::tags( 'h4', null, wfMsgExt( 'powersearch-ns', array( 'parseinline' ) ) )
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);
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// the ability to select/unselect groups of namespaces in the
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// search interface was added in MW 1.16 - check for the
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// presence of the 'powersearch-togglelabel' message to see
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// if we can use this functionality here
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if ( ! wfEmptyMsg( 'powersearch-togglelabel', wfMsg( 'powersearch-togglelabel' ) ) ) {
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$wgOut->addHTML(
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Xml::tags(
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'div',
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array( 'id' => 'mw-search-togglebox' ),
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Xml::label( wfMsg( 'powersearch-togglelabel' ), 'mw-search-togglelabel' ) .
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Xml::element(
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'input',
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array(
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'type'=>'button',
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'id' => 'mw-search-toggleall',
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'onclick' => 'mwToggleSearchCheckboxes("all");',
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'value' => wfMsg( 'powersearch-toggleall' )
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)
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) .
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Xml::element(
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'input',
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array(
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'type'=>'button',
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'id' => 'mw-search-togglenone',
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'onclick' => 'mwToggleSearchCheckboxes("none");',
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'value' => wfMsg( 'powersearch-togglenone' )
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)
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)
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)
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);
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} // end if
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$wgOut->addHTML(
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Xml::element( 'div', array( 'class' => 'divider' ), '', false ) .
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"$tables\n</fieldset>"
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);
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$optional_filters_label = wfMsg( 'replacetext_optionalfilters' );
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$category_search_label = wfMsg( 'replacetext_categorysearch' );
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$prefix_search_label = wfMsg( 'replacetext_prefixsearch' );
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$wgOut->addHTML(
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"<fieldset id=\"mw-searchoptions\">\n" .
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Xml::tags( 'h4', null, wfMsgExt( 'replacetext_optionalfilters', array( 'parseinline' ) ) ) .
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Xml::element( 'div', array( 'class' => 'divider' ), '', false ) .
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"<p>$category_search_label\n" .
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Xml::input( 'category', 20, $this->category ) . '</p>' .
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"<p>$prefix_search_label\n" .
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Xml::input( 'prefix', 20, $this->prefix ) . '</p>' .
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"</fieldset>\n" .
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"<p>\n" .
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Xml::checkLabel( wfMsg( 'replacetext_editpages' ), 'edit_pages', 'edit_pages', true ) . '<br />' .
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Xml::checkLabel( wfMsg( 'replacetext_movepages' ), 'move_pages', 'move_pages' ) .
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"</p>\n" .
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Xml::submitButton( wfMsg( 'replacetext_continue' ) ) .
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Xml::closeElement( 'form' )
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);
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// add javascript specific to special:search
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$wgOut->addScriptFile( 'search.js' );
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}
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/**
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* Copied almost exactly from MediaWiki's SpecialSearch class, i.e.
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* the search page
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*/
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function namespaceTables( $namespaces, $rowsPerTable = 3 ) {
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global $wgContLang;
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// Group namespaces into rows according to subject.
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// Try not to make too many assumptions about namespace numbering.
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$rows = array();
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$tables = "";
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foreach ( $namespaces as $ns => $name ) {
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$subj = MWNamespace::getSubject( $ns );
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if ( !array_key_exists( $subj, $rows ) ) {
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$rows[$subj] = "";
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}
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$name = str_replace( '_', ' ', $name );
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if ( '' == $name ) {
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$name = wfMsg( 'blanknamespace' );
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}
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$rows[$subj] .= Xml::openElement( 'td', array( 'style' => 'white-space: nowrap' ) ) .
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Xml::checkLabel( $name, "ns{$ns}", "mw-search-ns{$ns}", in_array( $ns, $namespaces ) ) .
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Xml::closeElement( 'td' ) . "\n";
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}
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$rows = array_values( $rows );
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$numRows = count( $rows );
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// Lay out namespaces in multiple floating two-column tables so they'll
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// be arranged nicely while still accommodating different screen widths
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// Float to the right on RTL wikis
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$tableStyle = $wgContLang->isRTL() ?
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'float: right; margin: 0 0 0em 1em' : 'float: left; margin: 0 1em 0em 0';
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// Build the final HTML table...
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for ( $i = 0; $i < $numRows; $i += $rowsPerTable ) {
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$tables .= Xml::openElement( 'table', array( 'style' => $tableStyle ) );
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for ( $j = $i; $j < $i + $rowsPerTable && $j < $numRows; $j++ ) {
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$tables .= "<tr>\n" . $rows[$j] . "</tr>";
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}
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$tables .= Xml::closeElement( 'table' ) . "\n";
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}
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return $tables;
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}
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function pageListForm( $titles_for_edit, $titles_for_move, $unmoveable_titles ) {
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global $wgOut, $wgLang, $wgScript;
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$skin = $this->user->getSkin();
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$formOpts = array( 'id' => 'choose_pages', 'method' => 'post', 'action' => $this->getTitle()->getFullUrl() );
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$wgOut->addHTML(
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Xml::openElement( 'form', $formOpts ) .
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Xml::hidden( 'title', $this->getTitle()->getPrefixedText() ) .
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Xml::hidden( 'target', $this->target ) .
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Xml::hidden( 'replacement', $this->replacement )
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);
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$js = file_get_contents( dirname( __FILE__ ) . '/ReplaceText.js' );
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$js = '<script type="text/javascript">' . $js . '</script>';
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$wgOut->addScript( $js );
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if ( count( $titles_for_edit ) > 0 ) {
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$wgOut->addWikiMsg( 'replacetext_choosepagesforedit', "<tt><nowiki>{$this->target}</nowiki></tt>", "<tt><nowiki>{$this->replacement}</nowiki></tt>",
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$wgLang->formatNum( count( $titles_for_edit ) ) );
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foreach ( $titles_for_edit as $title_and_context ) {
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list( $title, $context ) = $title_and_context;
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$wgOut->addHTML(
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Xml::check( $title->getArticleID(), true ) .
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$skin->makeKnownLinkObj( $title, $title->getPrefixedText() ) . " - <small>$context</small><br />\n"
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);
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}
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$wgOut->addHTML( '<br />' );
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}
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if ( count( $titles_for_move ) > 0 ) {
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$wgOut->addWikiMsg( 'replacetext_choosepagesformove', $this->target, $this->replacement, $wgLang->formatNum( count( $titles_for_move ) ) );
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foreach ( $titles_for_move as $title ) {
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$wgOut->addHTML(
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Xml::check( 'move-' . $title->getArticleID(), true ) .
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$skin->makeLinkObj( $title, $title->prefix( $title->getText() ) ) . "<br />\n"
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);
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}
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$wgOut->addHTML( '<br />' );
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$wgOut->addWikiMsg( 'replacetext_formovedpages' );
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$wgOut->addHTML(
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Xml::checkLabel( wfMsg( 'replacetext_savemovedpages' ), 'create-redirect', 'create-redirect', true ) . "<br />\n" .
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Xml::checkLabel( wfMsg( 'replacetext_watchmovedpages' ), 'watch-pages', 'watch-pages', false )
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);
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$wgOut->addHTML( '<br />' );
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}
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$wgOut->addHTML(
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"<br />\n" .
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Xml::submitButton( wfMsg( 'replacetext_replace' ) ) .
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Xml::hidden( 'replace', 1 )
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);
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// only show "invert selections" link if there are more than five pages
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if ( count( $titles_for_edit ) + count( $titles_for_move ) > 5 ) {
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$buttonOpts = array(
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'type' => 'button',
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'value' => wfMsg( 'replacetext_invertselections' ),
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'onclick' => 'invertSelections(); return false;'
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);
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$wgOut->addHTML(
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Xml::element( 'input', $buttonOpts )
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);
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}
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$wgOut->addHTML( '</form>' );
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if ( count( $unmoveable_titles ) > 0 ) {
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$wgOut->addWikiMsg( 'replacetext_cannotmove', $wgLang->formatNum( count( $unmoveable_titles ) ) );
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$text = "<ul>\n";
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foreach ( $unmoveable_titles as $title ) {
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$text .= "<li>{$skin->makeKnownLinkObj( $title, $title->getPrefixedText() )}<br />\n";
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}
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$text .= "</ul>\n";
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$wgOut->addHTML( $text );
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}
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}
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/**
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* Extract context and highlights search text
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*/
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function extractContext( $text, $target ) {
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global $wgLang;
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$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", '<span class="searchmatch">\0</span>', $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", '<br />', $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 );
|
|
}
|
|
|
|
}
|