includes/specials/SpecialRecentchangeslinked.php

   1 <?php
   2
   3 /**
   4  * This is to display changes made to all articles linked in an article.
   5  * @ingroup SpecialPage
   6  */
   7 class SpecialRecentchangeslinked extends SpecialRecentchanges {
   8
   9         function __construct(){
  10                 SpecialPage::SpecialPage( 'Recentchangeslinked' );
  11         }
  12
  13         public function getDefaultOptions() {
  14                 $opts = parent::getDefaultOptions();
  15                 $opts->add( 'target', '' );
  16                 $opts->add( 'showlinkedto', false );
  17                 return $opts;
  18         }
  19
  20         public function parseParameters( $par, FormOptions $opts ) {
  21                 $opts['target'] = $par;
  22         }
  23
  24         public function feedSetup(){
  25                 global $wgRequest;
  26                 $opts = parent::feedSetup();
  27                 $opts['target'] = $wgRequest->getVal( 'target' );
  28                 return $opts;
  29         }
  30
  31         public function getFeedObject( $feedFormat ){
  32                 $feed = new ChangesFeed( $feedFormat, false );
  33                 $feedObj = $feed->getFeedObject(
  34                         wfMsgForContent( 'recentchangeslinked-title', $this->mTargetTitle->getPrefixedText() ),
  35                         wfMsgForContent( 'recentchangeslinked' )
  36                 );
  37                 return array( $feed, $feedObj );
  38         }
  39
  40         public function doMainQuery( $conds, $opts ) {
  41                 global $wgUser, $wgOut;
  42
  43                 $target = $opts['target'];
  44                 $showlinkedto = $opts['showlinkedto'];
  45                 $limit = $opts['limit'];
  46
  47                 if ( $target === '' ) {
  48                         return false;
  49                 }
  50                 $title = Title::newFromURL( $target );
  51                 if( !$title || $title->getInterwiki() != '' ){
  52                         $wgOut->wrapWikiMsg( '<div class="errorbox">$1</div><br clear="both" />', 'allpagesbadtitle' );
  53                         return false;
  54                 }
  55                 $this->mTargetTitle = $title;
  56
  57                 $wgOut->setPageTitle( wfMsg( 'recentchangeslinked-title', $title->getPrefixedText() ) );
  58
  59                 $dbr = wfGetDB( DB_SLAVE, 'recentchangeslinked' );
  60                 $id = $title->getArticleId();
  61
  62                 $tables = array( 'recentchanges' );
  63                 $select = array( $dbr->tableName( 'recentchanges' ) . '.*' );
  64                 $join_conds = array();
  65
  66                 if( $title->getNamespace() == NS_CATEGORY ) {
  67                         $tables[] = 'categorylinks';
  68                         $conds['cl_to'] = $title->getDBkey();
  69                         $join_conds['categorylinks'] = array( 'LEFT JOIN', 'cl_from=rc_cur_id' );
  70                 } else {
  71                         if( $showlinkedto ) {
  72                                 if( $title->getNamespace() == NS_TEMPLATE ){
  73                                         $tables[] = 'templatelinks';
  74                                         $conds['tl_namespace'] = $title->getNamespace();
  75                                         $conds['tl_title'] = $title->getDBkey();
  76                                         $join_conds['templatelinks'] = array( 'LEFT JOIN', 'tl_from=rc_cur_id' );
  77                                 } else {
  78                                         $tables[] = 'pagelinks';
  79                                         $conds['pl_namespace'] = $title->getNamespace();
  80                                         $conds['pl_title'] = $title->getDBkey();
  81                                         $join_conds['pagelinks'] = array( 'LEFT JOIN', 'pl_from=rc_cur_id' );
  82                                 }
  83                         } else {
  84                                 $tables[] = 'pagelinks';
  85                                 $conds['pl_from'] = $id;
  86                                 $join_conds['pagelinks'] = array( 'LEFT JOIN', 'pl_namespace = rc_namespace AND pl_title = rc_title' );
  87                         }
  88                 }
  89
  90                 if( $uid = $wgUser->getId() ) {
  91                         $tables[] = 'watchlist';
  92                         $join_conds['watchlist'] = array( 'LEFT JOIN', "wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace" );
  93                         $select[] = 'wl_user';
  94                 }
  95
  96                 $res = $dbr->select( $tables, $select, $conds, __METHOD__,
  97                         array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit ), $join_conds );
  98
  99                 if( $dbr->numRows( $res ) == 0 )
 100                         $this->mResultEmpty = true;
 101
 102                 return $res;
 103         }
 104
 105         function getExtraOptions( $opts ){
 106                 $opts->consumeValues( array( 'showlinkedto', 'target' ) );
 107                 $extraOpts = array();
 108                 $extraOpts['namespace'] = $this->namespaceFilterForm( $opts );
 109                 $extraOpts['target'] = array( wfMsg( 'recentchangeslinked-page' ),
 110                         Xml::input( 'target', 40, str_replace('_',' ',$opts['target']) ) .
 111                         Xml::check( 'showlinkedto', $opts['showlinkedto'], array('id' => 'showlinkedto') ) . ' ' .
 112                         Xml::label( wfMsg("recentchangeslinked-to"), 'showlinkedto' ) );
 113                 $extraOpts['submit'] = Xml::submitbutton( wfMsg('allpagessubmit') );
 114                 return $extraOpts;
 115         }
 116
 117         function setTopText( &$out, $opts ){}
 118
 119         function setBottomText( &$out, $opts ){
 120                 if( isset( $this->mTargetTitle ) && is_object( $this->mTargetTitle ) ){
 121                         global $wgUser;
 122                         $out->setFeedAppendQuery( "target=" . urlencode( $this->mTargetTitle->getPrefixedDBkey() ) );
 123                         $out->addHTML("&lt; ".$wgUser->getSkin()->makeLinkObj( $this->mTargetTitle, "", "redirect=no" )."<hr />\n");
 124                 }
 125                 if( isset( $this->mResultEmpty ) && $this->mResultEmpty ){
 126                         $out->addWikiMsg( 'recentchangeslinked-noresult' );
 127                 }
 128         }
 129 }