setHeaders();
$this->outputHeader();
# GET values
$from = $wgRequest->getVal( 'from', null );
$to = $wgRequest->getVal( 'to', null );
$namespace = $wgRequest->getInt( 'namespace' );
$namespaces = $wgContLang->getNamespaces();
$wgOut->setPagetitle( ( $namespace > 0 && in_array( $namespace, array_keys( $namespaces) ) ) ?
wfMsg( 'allinnamespace', str_replace( '_', ' ', $namespaces[$namespace] ) ) :
wfMsg( 'allarticles' )
);
if( isset($par) ) {
$this->showChunk( $namespace, $par, $to );
} elseif( isset($from) && !isset($to) ) {
$this->showChunk( $namespace, $from, $to );
} else {
$this->showToplevel( $namespace, $from, $to );
}
}
/**
* HTML for the top form
* @param integer $namespace A namespace constant (default NS_MAIN).
* @param string $from dbKey we are starting listing at.
* @param string $to dbKey we are ending listing at.
*/
function namespaceForm( $namespace = NS_MAIN, $from = '', $to = '' ) {
global $wgScript;
$t = $this->getTitle();
$out = Xml::openElement( 'div', array( 'class' => 'namespaceoptions' ) );
$out .= Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
$out .= Xml::hidden( 'title', $t->getPrefixedText() );
$out .= Xml::openElement( 'fieldset' );
$out .= Xml::element( 'legend', null, wfMsg( 'allpages' ) );
$out .= Xml::openElement( 'table', array( 'id' => 'nsselect', 'class' => 'allpages' ) );
$out .= "
| " .
Xml::label( wfMsg( 'allpagesfrom' ), 'nsfrom' ) .
" |
" .
Xml::input( 'from', 30, str_replace('_',' ',$from), array( 'id' => 'nsfrom' ) ) .
" |
| " .
Xml::label( wfMsg( 'allpagesto' ), 'nsto' ) .
" |
" .
Xml::input( 'to', 30, str_replace('_',' ',$to), array( 'id' => 'nsto' ) ) .
" |
| " .
Xml::label( wfMsg( 'namespace' ), 'namespace' ) .
" |
" .
Xml::namespaceSelector( $namespace, null ) . ' ' .
Xml::submitButton( wfMsg( 'allpagessubmit' ) ) .
" |
";
$out .= Xml::closeElement( 'table' );
$out .= Xml::closeElement( 'fieldset' );
$out .= Xml::closeElement( 'form' );
$out .= Xml::closeElement( 'div' );
return $out;
}
/**
* @param integer $namespace (default NS_MAIN)
*/
function showToplevel( $namespace = NS_MAIN, $from = '', $to = '' ) {
global $wgOut, $wgContLang;
$align = $wgContLang->isRtl() ? 'left' : 'right';
# TODO: Either make this *much* faster or cache the title index points
# in the querycache table.
$dbr = wfGetDB( DB_SLAVE );
$out = "";
$where = array( 'page_namespace' => $namespace );
$from = Title::makeTitleSafe( $namespace, $from );
$to = Title::makeTitleSafe( $namespace, $to );
$from = ( $from && $from->isLocal() ) ? $from->getDBKey() : null;
$to = ( $to && $to->isLocal() ) ? $to->getDBKey() : null;
if( isset($from) )
$where[] = 'page_title >= '.$dbr->addQuotes( $from );
if( isset($to) )
$where[] = 'page_title <= '.$dbr->addQuotes( $to );
global $wgMemc;
$key = wfMemcKey( 'allpages', 'ns', $namespace, $from, $to );
$lines = $wgMemc->get( $key );
$count = $dbr->estimateRowCount( 'page', '*', $where, __METHOD__ );
$maxPerSubpage = intval($count/$this->maxLineCount);
$maxPerSubpage = max($maxPerSubpage,$this->maxPerPage);
if( !is_array( $lines ) ) {
$options = array( 'LIMIT' => 1 );
$options['ORDER BY'] = 'page_title ASC';
$firstTitle = $dbr->selectField( 'page', 'page_title', $where, __METHOD__, $options );
$lastTitle = $firstTitle;
# This array is going to hold the page_titles in order.
$lines = array( $firstTitle );
# If we are going to show n rows, we need n+1 queries to find the relevant titles.
$done = false;
while( !$done ) {
// Fetch the last title of this chunk and the first of the next
$chunk = ( $lastTitle === false )
? array()
: array( 'page_title >= ' . $dbr->addQuotes( $lastTitle ) );
$res = $dbr->select( 'page', /* FROM */
'page_title', /* WHAT */
array_merge($where,$chunk),
__METHOD__,
array ('LIMIT' => 2, 'OFFSET' => $maxPerSubpage - 1, 'ORDER BY' => 'page_title ASC')
);
if( $s = $dbr->fetchObject( $res ) ) {
array_push( $lines, $s->page_title );
} else {
// Final chunk, but ended prematurely. Go back and find the end.
$endTitle = $dbr->selectField( 'page', 'MAX(page_title)',
array_merge($where,$chunk),
__METHOD__ );
array_push( $lines, $endTitle );
$done = true;
}
if( $s = $res->fetchObject() ) {
array_push( $lines, $s->page_title );
$lastTitle = $s->page_title;
} else {
// This was a final chunk and ended exactly at the limit.
// Rare but convenient!
$done = true;
}
$res->free();
}
$wgMemc->add( $key, $lines, 3600 );
}
// If there are only two or less sections, don't even display them.
// Instead, display the first section directly.
if( count( $lines ) <= 2 ) {
if( !empty($lines) ) {
$this->showChunk( $namespace, $lines[0], $lines[count($lines)-1] );
} else {
$wgOut->addHTML( $this->namespaceForm( $namespace, $from, $to ) );
}
return;
}
# At this point, $lines should contain an even number of elements.
$out .= "";
while( count ( $lines ) > 0 ) {
$inpoint = array_shift( $lines );
$outpoint = array_shift( $lines );
$out .= $this->showline( $inpoint, $outpoint, $namespace );
}
$out .= '
';
$nsForm = $this->namespaceForm( $namespace, $from, $to );
# Is there more?
if( $this->including() ) {
$out2 = '';
} else {
if( isset($from) || isset($to) ) {
global $wgUser;
$out2 = '';
$out2 .= '| ' . $nsForm;
$out2 .= ' | ' .
$wgUser->getSkin()->makeKnownLinkObj( $this->getTitle(), wfMsgHtml ( 'allpages' ) );
$out2 .= " |
";
} else {
$out2 = $nsForm;
}
}
$wgOut->addHTML( $out2 . $out );
}
/**
* Show a line of "ABC to DEF" ranges of articles
* @param string $inpoint Lower limit of pagenames
* @param string $outpout Upper limit of pagenames
* @param integer $namespace (Default NS_MAIN)
*/
function showline( $inpoint, $outpoint, $namespace = NS_MAIN ) {
global $wgContLang;
$align = $wgContLang->isRtl() ? 'left' : 'right';
$inpointf = htmlspecialchars( str_replace( '_', ' ', $inpoint ) );
$outpointf = htmlspecialchars( str_replace( '_', ' ', $outpoint ) );
// Don't let the length runaway
$inpointf = $wgContLang->truncate( $inpointf, $this->maxPageLength );
$outpointf = $wgContLang->truncate( $outpointf, $this->maxPageLength );
$queryparams = $namespace ? "namespace=$namespace&" : '';
$special = $this->getTitle();
$link = $special->escapeLocalUrl( $queryparams . 'from=' . urlencode($inpoint) . '&to=' . urlencode($outpoint) );
$out = wfMsgHtml( 'alphaindexline',
"$inpointf",
" | $outpointf"
);
return ' | | '.$out.' |
';
}
/**
* @param integer $namespace (Default NS_MAIN)
* @param string $from list all pages from this name (default FALSE)
* @param string $to list all pages to this name (default FALSE)
*/
function showChunk( $namespace = NS_MAIN, $from = false, $to = false ) {
global $wgOut, $wgUser, $wgContLang, $wgLang;
$sk = $wgUser->getSkin();
$fromList = $this->getNamespaceKeyAndText($namespace, $from);
$toList = $this->getNamespaceKeyAndText( $namespace, $to );
$namespaces = $wgContLang->getNamespaces();
$align = $wgContLang->isRtl() ? 'left' : 'right';
$n = 0;
if ( !$fromList || !$toList ) {
$out = wfMsgWikiHtml( 'allpagesbadtitle' );
} elseif ( !in_array( $namespace, array_keys( $namespaces ) ) ) {
// Show errormessage and reset to NS_MAIN
$out = wfMsgExt( 'allpages-bad-ns', array( 'parseinline' ), $namespace );
$namespace = NS_MAIN;
} else {
list( $namespace, $fromKey, $from ) = $fromList;
list( $namespace2, $toKey, $to ) = $toList;
$dbr = wfGetDB( DB_SLAVE );
$conds = array(
'page_namespace' => $namespace,
'page_title >= ' . $dbr->addQuotes( $fromKey )
);
if( $toKey !== "" ) {
$conds[] = 'page_title <= ' . $dbr->addQuotes( $toKey );
}
$res = $dbr->select( 'page',
array( 'page_namespace', 'page_title', 'page_is_redirect' ),
$conds,
__METHOD__,
array(
'ORDER BY' => 'page_title',
'LIMIT' => $this->maxPerPage + 1,
'USE INDEX' => 'name_title',
)
);
if( $res->numRows() > 0 ) {
$out = '';
while( ( $n < $this->maxPerPage ) && ( $s = $res->fetchObject() ) ) {
$t = Title::makeTitle( $s->page_namespace, $s->page_title );
if( $t ) {
$link = ( $s->page_is_redirect ? '' : '' ) .
$sk->makeKnownLinkObj( $t, htmlspecialchars( $t->getText() ), false, false ) .
($s->page_is_redirect ? '
' : '' );
} else {
$link = '[[' . htmlspecialchars( $s->page_title ) . ']]';
}
if( $n % 3 == 0 ) {
$out .= '';
}
$out .= "| $link | ";
$n++;
if( $n % 3 == 0 ) {
$out .= '
';
}
}
if( ($n % 3) != 0 ) {
$out .= '';
}
$out .= '
';
} else {
$out = '';
}
}
if ( $this->including() ) {
$out2 = '';
} else {
if( $from == '' ) {
// First chunk; no previous link.
$prevTitle = null;
} else {
# Get the last title from previous chunk
$dbr = wfGetDB( DB_SLAVE );
$res_prev = $dbr->select(
'page',
'page_title',
array( 'page_namespace' => $namespace, 'page_title < '.$dbr->addQuotes($from) ),
__METHOD__,
array( 'ORDER BY' => 'page_title DESC', 'LIMIT' => $this->maxPerPage, 'OFFSET' => ($this->maxPerPage - 1 ) )
);
# Get first title of previous complete chunk
if( $dbr->numrows( $res_prev ) >= $this->maxPerPage ) {
$pt = $dbr->fetchObject( $res_prev );
$prevTitle = Title::makeTitle( $namespace, $pt->page_title );
} else {
# The previous chunk is not complete, need to link to the very first title
# available in the database
$options = array( 'LIMIT' => 1 );
if ( ! $dbr->implicitOrderby() ) {
$options['ORDER BY'] = 'page_title';
}
$reallyFirstPage_title = $dbr->selectField( 'page', 'page_title',
array( 'page_namespace' => $namespace ), __METHOD__, $options );
# Show the previous link if it s not the current requested chunk
if( $from != $reallyFirstPage_title ) {
$prevTitle = Title::makeTitle( $namespace, $reallyFirstPage_title );
} else {
$prevTitle = null;
}
}
}
$self = $this->getTitle();
$nsForm = $this->namespaceForm( $namespace, $from, $to );
$out2 = '';
$out2 .= '| ' . $nsForm;
$out2 .= ' | ' .
$sk->makeKnownLinkObj( $self,
wfMsgHtml ( 'allpages' ) );
# Do we put a previous link ?
if( isset( $prevTitle ) && $pt = $prevTitle->getText() ) {
$q = 'from=' . $prevTitle->getPartialUrl()
. ( $namespace ? '&namespace=' . $namespace : '' );
$prevLink = $sk->makeKnownLinkObj( $self,
wfMsgHTML( 'prevpage', htmlspecialchars( $pt ) ), $q );
$out2 = $wgLang->pipeList( array( $out2, $prevLink ) );
}
if( $n == $this->maxPerPage && $s = $res->fetchObject() ) {
# $s is the first link of the next chunk
$t = Title::MakeTitle($namespace, $s->page_title);
$q = 'from=' . $t->getPartialUrl()
. ( $namespace ? '&namespace=' . $namespace : '' );
$nextLink = $sk->makeKnownLinkObj( $self,
wfMsgHtml( 'nextpage', htmlspecialchars( $t->getText() ) ), $q );
$out2 = $wgLang->pipeList( array( $out2, $nextLink ) );
}
$out2 .= " |
";
}
$wgOut->addHTML( $out2 . $out );
if( isset($prevLink) or isset($nextLink) ) {
$wgOut->addHTML( '
' );
if( isset( $prevLink ) ) {
$wgOut->addHTML( $prevLink );
}
if( isset( $prevLink ) && isset( $nextLink ) ) {
$wgOut->addHTML( wfMsgExt( 'pipe-separator' , 'escapenoentities' ) );
}
if( isset( $nextLink ) ) {
$wgOut->addHTML( $nextLink );
}
$wgOut->addHTML( '
' );
}
}
/**
* @param int $ns the namespace of the article
* @param string $text the name of the article
* @return array( int namespace, string dbkey, string pagename ) or NULL on error
* @static (sort of)
* @access private
*/
function getNamespaceKeyAndText($ns, $text) {
if ( $text == '' )
return array( $ns, '', '' ); # shortcut for common case
$t = Title::makeTitleSafe($ns, $text);
if ( $t && $t->isLocal() ) {
return array( $t->getNamespace(), $t->getDBkey(), $t->getText() );
} else if ( $t ) {
return NULL;
}
# try again, in case the problem was an empty pagename
$text = preg_replace('/(#|$)/', 'X$1', $text);
$t = Title::makeTitleSafe($ns, $text);
if ( $t && $t->isLocal() ) {
return array( $t->getNamespace(), '', '' );
} else {
return NULL;
}
}
}