<?php
+/**
+ * Implements Special:Recentchangeslinked
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup SpecialPage
+ */
/**
* This is to display changes made to all articles linked in an article.
+ *
* @ingroup SpecialPage
*/
-class SpecialRecentchangeslinked extends SpecialRecentchanges {
+class SpecialRecentchangeslinked extends SpecialRecentChanges {
+ var $rclTargetTitle;
function __construct(){
- SpecialPage::SpecialPage( 'Recentchangeslinked' );
+ parent::__construct( 'Recentchangeslinked' );
}
public function getDefaultOptions() {
$opts = parent::getDefaultOptions();
$opts->add( 'target', '' );
$opts->add( 'showlinkedto', false );
+ $opts->add( 'tagfilter', '' );
return $opts;
}
$opts['target'] = $par;
}
- public function feedSetup(){
+ public function feedSetup() {
global $wgRequest;
$opts = parent::feedSetup();
$opts['target'] = $wgRequest->getVal( 'target' );
public function getFeedObject( $feedFormat ){
$feed = new ChangesFeed( $feedFormat, false );
$feedObj = $feed->getFeedObject(
- wfMsgForContent( 'recentchangeslinked-title', $this->mTargetTitle->getPrefixedText() ),
- wfMsgForContent( 'recentchangeslinked' )
+ wfMsgForContent( 'recentchangeslinked-title', $this->getTargetTitle()->getPrefixedText() ),
+ wfMsgForContent( 'recentchangeslinked-feed' ),
+ $this->getTitle()->getFullUrl()
);
return array( $feed, $feedObj );
}
public function doMainQuery( $conds, $opts ) {
global $wgUser, $wgOut;
- $title = Title::newFromURL( $opts['target'] );
+ $target = $opts['target'];
$showlinkedto = $opts['showlinkedto'];
$limit = $opts['limit'];
- $target = $title ? $title->getPrefixedText() : '';
if ( $target === '' ) {
return false;
}
- if( !$title ){
- global $wgOut;
- $wgOut->showErrorPage( 'notargettitle', 'notargettext' );
+ $title = Title::newFromURL( $target );
+ if( !$title || $title->getInterwiki() != '' ){
+ $wgOut->wrapWikiMsg( "<div class=\"errorbox\">\n$1\n</div><br style=\"clear: both\" />", 'allpagesbadtitle' );
return false;
}
- $wgOut->setPageTitle( wfMsg( 'recentchangeslinked-title', $target ) );
- $this->mTargetTitle = $title;
+ $wgOut->setPageTitle( wfMsg( 'recentchangeslinked-title', $title->getPrefixedText() ) );
+
+ /*
+ * Ordinary links are in the pagelinks table, while transclusions are
+ * in the templatelinks table, categorizations in categorylinks and
+ * image use in imagelinks. We need to somehow combine all these.
+ * Special:Whatlinkshere does this by firing multiple queries and
+ * merging the results, but the code we inherit from our parent class
+ * expects only one result set so we use UNION instead.
+ */
$dbr = wfGetDB( DB_SLAVE, 'recentchangeslinked' );
$id = $title->getArticleId();
+ $ns = $title->getNamespace();
+ $dbkey = $title->getDBkey();
$tables = array( 'recentchanges' );
$select = array( $dbr->tableName( 'recentchanges' ) . '.*' );
$join_conds = array();
+ $query_options = array();
+
+ // left join with watchlist table to highlight watched rows
+ $uid = $wgUser->getId();
+ if( $uid ) {
+ $tables[] = 'watchlist';
+ $select[] = 'wl_user';
+ $join_conds['watchlist'] = array( 'LEFT JOIN', "wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace" );
+ }
+ if ( $wgUser->isAllowed( 'rollback' ) ) {
+ $tables[] = 'page';
+ $join_conds['page'] = array('LEFT JOIN', 'rc_cur_id=page_id');
+ $select[] = 'page_latest';
+ }
+ if ( !$this->including() ) { // bug 23293
+ ChangeTags::modifyDisplayQuery( $tables, $select, $conds, $join_conds,
+ $query_options, $opts['tagfilter'] );
+ }
- if( $title->getNamespace() == NS_CATEGORY ) {
- $tables[] = 'categorylinks';
- $conds['cl_to'] = $title->getDBkey();
- $join_conds['categorylinks'] = array( 'LEFT JOIN', 'cl_from=rc_cur_id' );
+ if ( !wfRunHooks( 'SpecialRecentChangesQuery', array( &$conds, &$tables, &$join_conds, $opts, &$query_options, &$select ) ) )
+ return false;
+
+ if( $ns == NS_CATEGORY && !$showlinkedto ) {
+ // special handling for categories
+ // XXX: should try to make this less klugy
+ $link_tables = array( 'categorylinks' );
+ $showlinkedto = true;
} else {
+ // for now, always join on these tables; really should be configurable as in whatlinkshere
+ $link_tables = array( 'pagelinks', 'templatelinks' );
+ // imagelinks only contains links to pages in NS_FILE
+ if( $ns == NS_FILE || !$showlinkedto ) $link_tables[] = 'imagelinks';
+ }
+
+ if( $id == 0 && !$showlinkedto )
+ return false; // nonexistent pages can't link to any pages
+
+ // field name prefixes for all the various tables we might want to join with
+ $prefix = array( 'pagelinks' => 'pl', 'templatelinks' => 'tl', 'categorylinks' => 'cl', 'imagelinks' => 'il' );
+
+ $subsql = array(); // SELECT statements to combine with UNION
+
+ foreach( $link_tables as $link_table ) {
+ $pfx = $prefix[$link_table];
+
+ // imagelinks and categorylinks tables have no xx_namespace field, and have xx_to instead of xx_title
+ if( $link_table == 'imagelinks' ) $link_ns = NS_FILE;
+ else if( $link_table == 'categorylinks' ) $link_ns = NS_CATEGORY;
+ else $link_ns = 0;
+
if( $showlinkedto ) {
- if( $title->getNamespace() == NS_TEMPLATE ){
- $tables[] = 'templatelinks';
- $conds['tl_namespace'] = $title->getNamespace();
- $conds['tl_title'] = $title->getDBkey();
- $join_conds['templatelinks'] = array( 'LEFT JOIN', 'tl_from=rc_cur_id' );
+ // find changes to pages linking to this page
+ if( $link_ns ) {
+ if( $ns != $link_ns ) continue; // should never happen, but check anyway
+ $subconds = array( "{$pfx}_to" => $dbkey );
} else {
- $tables[] = 'pagelinks';
- $conds['pl_namespace'] = $title->getNamespace();
- $conds['pl_title'] = $title->getDBkey();
- $join_conds['pagelinks'] = array( 'LEFT JOIN', 'pl_from=rc_cur_id' );
+ $subconds = array( "{$pfx}_namespace" => $ns, "{$pfx}_title" => $dbkey );
}
+ $subjoin = "rc_cur_id = {$pfx}_from";
} else {
- $tables[] = 'pagelinks';
- $conds['pl_from'] = $id;
- $join_conds['pagelinks'] = array( 'LEFT JOIN', 'pl_namespace = rc_namespace AND pl_title = rc_title' );
+ // find changes to pages linked from this page
+ $subconds = array( "{$pfx}_from" => $id );
+ if( $link_table == 'imagelinks' || $link_table == 'categorylinks' ) {
+ $subconds["rc_namespace"] = $link_ns;
+ $subjoin = "rc_title = {$pfx}_to";
+ } else {
+ $subjoin = "rc_namespace = {$pfx}_namespace AND rc_title = {$pfx}_title";
+ }
}
+
+ if( $dbr->unionSupportsOrderAndLimit())
+ $order = array( 'ORDER BY' => 'rc_timestamp DESC' );
+ else
+ $order = array();
+
+
+ $query = $dbr->selectSQLText(
+ array_merge( $tables, array( $link_table ) ),
+ $select,
+ $conds + $subconds,
+ __METHOD__,
+ $order + $query_options,
+ $join_conds + array( $link_table => array( 'INNER JOIN', $subjoin ) )
+ );
+
+ if( $dbr->unionSupportsOrderAndLimit())
+ $query = $dbr->limitResult( $query, $limit );
+
+ $subsql[] = $query;
}
- if( $uid = $wgUser->getId() ) {
- $tables[] = 'watchlist';
- $join_conds['watchlist'] = array( 'LEFT JOIN', "wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace" );
- $select[] = 'wl_user';
+ if( count($subsql) == 0 )
+ return false; // should never happen
+ if( count($subsql) == 1 && $dbr->unionSupportsOrderAndLimit() )
+ $sql = $subsql[0];
+ else {
+ // need to resort and relimit after union
+ $sql = $dbr->unionQueries($subsql, false).' ORDER BY rc_timestamp DESC';
+ $sql = $dbr->limitResult($sql, $limit, false);
}
- $res = $dbr->select( $tables, $select, $conds, __METHOD__,
- array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit ), $join_conds );
+ $res = $dbr->query( $sql, __METHOD__ );
- if( $dbr->numRows( $res ) == 0 )
+ if( $res->numRows() == 0 )
$this->mResultEmpty = true;
return $res;
}
-
+
function getExtraOptions( $opts ){
- $opts->consumeValues( array( 'showlinkedto', 'target' ) );
+ $opts->consumeValues( array( 'showlinkedto', 'target', 'tagfilter' ) );
$extraOpts = array();
$extraOpts['namespace'] = $this->namespaceFilterForm( $opts );
- $extraOpts['target'] = array( wfMsg( 'recentchangeslinked-page' ),
- Xml::input( 'target', 40, $opts['target'] ) .
+ $extraOpts['target'] = array( wfMsgHtml( 'recentchangeslinked-page' ),
+ Xml::input( 'target', 40, str_replace('_',' ',$opts['target']) ) .
Xml::check( 'showlinkedto', $opts['showlinkedto'], array('id' => 'showlinkedto') ) . ' ' .
Xml::label( wfMsg("recentchangeslinked-to"), 'showlinkedto' ) );
- $extraOpts['submit'] = Xml::submitbutton( wfMsg('allpagessubmit') );
+ $tagFilter = ChangeTags::buildTagFilterSelector( $opts['tagfilter'] );
+ if ($tagFilter)
+ $extraOpts['tagfilter'] = $tagFilter;
return $extraOpts;
}
-
- function setTopText( &$out, $opts ){}
-
- function setBottomText( &$out, $opts ){
- if( $target = $opts['target'] ){
- global $wgUser;
- $out->setFeedAppendQuery( "target=" . urlencode( $target ) );
- $out->addHTML("< ".$wgUser->getSkin()->makeLinkObj( Title::newFromUrl( $target ), "", "redirect=no" )."<hr />\n");
+
+ function getTargetTitle() {
+ if ( $this->rclTargetTitle === null ) {
+ $opts = $this->getOptions();
+ if ( isset( $opts['target'] ) && $opts['target'] !== '' ) {
+ $this->rclTargetTitle = Title::newFromText( $opts['target'] );
+ } else {
+ $this->rclTargetTitle = false;
+ }
+ }
+ return $this->rclTargetTitle;
+ }
+
+ function setTopText( OutputPage $out, FormOptions $opts ) {
+ global $wgUser;
+ $skin = $wgUser->getSkin();
+ $target = $this->getTargetTitle();
+ if( $target )
+ $out->setSubtitle( wfMsg( 'recentchangeslinked-backlink', $skin->link( $target,
+ $target->getPrefixedText(), array(), array( 'redirect' => 'no' ) ) ) );
+ }
+
+ public function getFeedQuery() {
+ $target = $this->getTargetTitle();
+ if( $target ) {
+ return "target=" . urlencode( $target->getPrefixedDBkey() );
+ } else {
+ return false;
}
+ }
+
+ function setBottomText( OutputPage $out, FormOptions $opts ) {
if( isset( $this->mResultEmpty ) && $this->mResultEmpty ){
- $out->addWikiMsg( 'recentchangeslinked-noresult' );
+ $out->addWikiMsg( 'recentchangeslinked-noresult' );
}
}
}
dépôts / lhc / web / wiklou.git / blobdiff