setHeaders();
doSpecialReplaceText();
}
function displayConfirmForm($message) {
global $wgRequest, $wgContLang;
$target_str = $wgRequest->getVal('target_str');
$replacement_str = $wgRequest->getVal('replacement_str');
// escape quotes for inclusion in HTML
$target_str = str_replace('"', '"', $target_str);
$replacement_str = str_replace('"', '"', $replacement_str);
$continue_label = wfMsg('replacetext_continue');
$cancel_label = wfMsg('replacetext_cancel');
// set 'title' as hidden field, in case there's no URL niceness
$mw_namespace_labels = $wgContLang->getNamespaces();
$special_namespace = $mw_namespace_labels[NS_SPECIAL];
$text =<<
$message
$cancel_label
END;
return $text;
}
}
function doSpecialReplaceText() {
global $wgUser, $wgOut, $wgRequest, $wgContLang;
// set 'title' as hidden field, in case there's no URL niceness
$mw_namespace_labels = $wgContLang->getNamespaces();
$special_namespace = $mw_namespace_labels[NS_SPECIAL];
if ($wgRequest->getCheck('replace')) {
$target_str = $wgRequest->getVal('target_str');
$replacement_str = $wgRequest->getVal('replacement_str');
$replacement_params = array();
$replacement_params['user_id'] = $wgUser->getId();
$replacement_params['target_str'] = $target_str;
$replacement_params['replacement_str'] = $replacement_str;
$replacement_params['edit_summary'] = wfMsgForContent('replacetext_editsummary', $target_str, $replacement_str);
foreach ($wgRequest->getValues() as $key => $value) {
if ($value == 'on') {
$title = Title::newFromId($key);
$jobs[] = new ReplaceTextJob( $title, $replacement_params );
}
}
Job::batchInsert( $jobs );
$num_modified_pages = count($jobs);
$wgOut->addHTML(wfMsg('replacetext_success', $target_str, $replacement_str, $num_modified_pages));
} elseif ($wgRequest->getCheck('target_str')) {
$dbr =& wfGetDB( DB_SLAVE );
$fname = 'doSpecialReplaceText';
$target_str = $wgRequest->getVal('target_str');
$replacement_str = $wgRequest->getVal('replacement_str');
if (! $wgRequest->getCheck('confirm')) {
// display a page to make the user confirm the replacement, if the
// replacement string is either blank or found elsewhere on the wiki
// (since undoing the replacement would be difficult in either case)
if ($replacement_str == '') {
$text = wfMsg('replacetext_blankwarning');
$wgOut->addHTML(ReplaceText::displayConfirmForm($text));
return;
} else {
// get the number of pages in which the replacement string appears
$page_table = $dbr->tableName('page');
$revision_table = $dbr->tableName('revision');
$text_table = $dbr->tableName('text');
$talk_ns = NS_TALK;
$usertalk_ns = NS_USER_TALK;
$mediawiki_ns = NS_MEDIAWIKI;
$sql_replacement_str = str_replace("'", "\'", $replacement_str);
$sql = "SELECT count(*)
FROM $page_table p
JOIN $revision_table r ON p.page_latest = r.rev_id
JOIN $text_table t ON r.rev_text_id = t.old_id
WHERE t.old_text LIKE '%$sql_replacement_str%'
AND p.page_namespace != $talk_ns
AND p.page_namespace != $usertalk_ns
AND p.page_namespace != $mediawiki_ns";
$res = $dbr->query($sql);
$row = $dbr->fetchRow($res);
$num_pages_with_replacement_str = $row[0];
// if there are any, the user most confirm the replacement
if ($num_pages_with_replacement_str > 0) {
$text = wfMsg('replacetext_warning', $num_pages_with_replacement_str, $replacement_str);
$wgOut->addHTML(ReplaceText::displayConfirmForm($text));
return;
}
}
}
$jobs = array();
$num_modified_pages = 0;
$found_titles = array();
$angle_brackets = array('<', '>');
$escaped_angle_brackets = array('<', '>');
// get the set of pages that contain the target string, and display
// the name and "context" (the text around the string) of each
$page_table = $dbr->tableName('page');
$revision_table = $dbr->tableName('revision');
$text_table = $dbr->tableName('text');
$talk_ns = NS_TALK;
$usertalk_ns = NS_USER_TALK;
$mediawiki_ns = NS_MEDIAWIKI;
$sql_target_str = str_replace("'", "\'", $target_str);
$sql = "SELECT p.page_title AS title, p.page_namespace AS namespace, t.old_text AS text
FROM $page_table p
JOIN $revision_table r ON p.page_latest = r.rev_id
JOIN $text_table t ON r.rev_text_id = t.old_id
WHERE t.old_text LIKE '%$sql_target_str%'
AND p.page_namespace != $talk_ns
AND p.page_namespace != $usertalk_ns
AND p.page_namespace != $mediawiki_ns
ORDER BY p.page_namespace, p.page_title";
$res = $dbr->query($sql);
$contextchars = $wgUser->getOption( 'contextchars', 40 );
while( $row = $dbr->fetchObject( $res ) ) {
$title = Title::newFromText($row->title, $row->namespace);
$article_text = $row->text;
$target_pos = strpos($article_text, $target_str);
$context_str = str_replace($angle_brackets, $escaped_angle_brackets, $wgContLang->truncate(substr($article_text, 0, $target_pos), -$contextchars, '...' ));
$context_str .= "" . str_replace($angle_brackets, $escaped_angle_brackets, substr($article_text, $target_pos, strlen($target_str))) . "";
$context_str .= str_replace($angle_brackets, $escaped_angle_brackets, $wgContLang->truncate(substr($article_text, $target_pos + strlen($target_str)), $contextchars, '...' ));
$found_titles[] = array($title, $context_str);
$num_modified_pages++;
}
if ($num_modified_pages == 0)
$wgOut->addHTML(wfMsg('replacetext_noreplacement', $target_str));
else {
$javascript_text =<<
function invertSelections() {
form = document.getElementById('choose_pages');
num_elements = form.elements.length;
for (i = 0; i < num_elements; i++) {
if (form.elements[i].type == "checkbox") {
if (form.elements[i].checked == true)
form.elements[i].checked = false;
else
form.elements[i].checked = true;
}
}
}
END;
$wgOut->addScript($javascript_text);
$replace_label = wfMsg('replacetext_replace');
$choose_pages_label = wfMsg('replacetext_choosepages', $target_str, $replacement_str);
$skin = $wgUser->getSkin();
// escape quotes for inclusion in HTML
$target_str = str_replace('"', '"', $target_str);
$replacement_str = str_replace('"', '"', $replacement_str);
$text =<<$choose_pages_label
END;
$wgOut->addHTML($text);
}
} else {
$replacement_label = wfMsg('replacetext_docu');
$replacement_note = wfMsg('replacetext_note');
$original_text_label = wfMsg('replacetext_originaltext');
$replacement_text_label = wfMsg('replacetext_replacementtext');
$continue_label = wfMsg('replacetext_continue');
$text =<<
$replacement_label
$replacement_note
END;
$wgOut->addHTML($text);
}
}