Revert r73879 for now, not ready yet.
[lhc/web/wiklou.git] / includes / HistoryPage.php
index f5f6211..27c1153 100644 (file)
@@ -24,8 +24,7 @@ class HistoryPage {
        /**
         * Construct a new HistoryPage.
         *
-        * @param Article $article
-        * @returns nothing
+        * @param $article Article
         */
        function __construct( $article ) {
                global $wgUser;
@@ -50,7 +49,7 @@ class HistoryPage {
        function preCacheMessages() {
                // Precache various messages
                if( !isset( $this->message ) ) {
-                       $msgs = array( 'cur', 'last', 'rev-delundel', 'pipe-separator' );
+                       $msgs = array( 'cur', 'last', 'pipe-separator' );
                        foreach( $msgs as $msg ) {
                                $this->message[$msg] = wfMsgExt( $msg, array( 'escapenoentities') );
                        }
@@ -59,8 +58,7 @@ class HistoryPage {
 
        /**
         * Print the history page for an article.
-        *
-        * @returns nothing
+        * @return nothing
         */
        function history() {
                global $wgOut, $wgRequest, $wgScript;
@@ -83,7 +81,7 @@ class HistoryPage {
                $wgOut->setRobotPolicy( 'noindex,nofollow' );
                $wgOut->setSyndicated( true );
                $wgOut->setFeedAppendQuery( 'action=history' );
-               $wgOut->addScriptFile( 'history.js' );
+               $wgOut->addModules( array( 'mediawiki.legacy.history' ) );
 
                $logPage = SpecialPage::getTitleFor( 'Log' );
                $logLink = $this->skin->link(
@@ -129,6 +127,16 @@ class HistoryPage {
                $month = $wgRequest->getInt( 'month' );
                $tagFilter = $wgRequest->getVal( 'tagfilter' );
                $tagSelector = ChangeTags::buildTagFilterSelector( $tagFilter );
+               /**
+                * Option to show only revisions that have been (partially) hidden via RevisionDelete
+                */
+               if ( $wgRequest->getBool( 'deleted' ) ) {
+                       $conds = array("rev_deleted != '0'");
+               } else {
+                       $conds = array();
+               }
+               $checkDeleted = Xml::checkLabel( wfMsg( 'history-show-deleted' ),
+                       'deleted', 'mw-show-deleted-only', $wgRequest->getBool( 'deleted' ) ) . "\n";
 
                $action = htmlspecialchars( $wgScript );
                $wgOut->addHTML(
@@ -140,8 +148,9 @@ class HistoryPage {
                        ) .
                        Xml::hidden( 'title', $this->title->getPrefixedDBKey() ) . "\n" .
                        Xml::hidden( 'action', 'history' ) . "\n" .
-                       xml::dateMenu( $year, $month ) . ' ' .
-                       ( $tagSelector ? ( implode( ' ', $tagSelector ) . ' ' ) : '' ) .
+                       Xml::dateMenu( $year, $month ) . ' ' .
+                       ( $tagSelector ? ( implode( ' ', $tagSelector ) . ' ' ) : '' ) .
+                       $checkDeleted .
                        Xml::submitButton( wfMsg( 'allpagessubmit' ) ) . "\n" .
                        '</fieldset></form>'
                );
@@ -151,7 +160,7 @@ class HistoryPage {
                /**
                 * Do the list
                 */
-               $pager = new HistoryPager( $this, $year, $month, $tagFilter );
+               $pager = new HistoryPager( $this, $year, $month, $tagFilter, $conds );
                $wgOut->addHTML(
                        $pager->getNavigationBar() .
                        $pager->getBody() .
@@ -165,8 +174,13 @@ class HistoryPage {
         * Fetch an array of revisions, specified by a given limit, offset and
         * direction. This is now only used by the feeds. It was previously
         * used by the main UI but that's now handled by the pager.
+        *
+        * @param $limit Integer: the limit number of revisions to get
+        * @param $offset Integer
+        * @param $direction Integer: either HistoryPage::DIR_PREV or HistoryPage::DIR_NEXT
+        * @return ResultWrapper
         */
-       function fetchRevisions($limit, $offset, $direction) {
+       function fetchRevisions( $limit, $offset, $direction ) {
                $dbr = wfGetDB( DB_SLAVE );
 
                if( $direction == HistoryPage::DIR_PREV )
@@ -192,7 +206,8 @@ class HistoryPage {
 
        /**
         * Output a subscription feed listing recent edits to this page.
-        * @param string $type
+        *
+        * @param $type String: feed type
         */
        function feed( $type ) {
                global $wgFeedClasses, $wgRequest, $wgFeedLimit;
@@ -243,7 +258,7 @@ class HistoryPage {
         * Borrows Recent Changes' feed generation functions for formatting;
         * includes a diff to the previous revision (if any).
         *
-        * @param $row
+        * @param $row Object: database row
         * @return FeedItem
         */
        function feedItem( $row ) {
@@ -259,8 +274,11 @@ class HistoryPage {
                if( $rev->getComment() == '' ) {
                        global $wgContLang;
                        $title = wfMsgForContent( 'history-feed-item-nocomment',
-                       $rev->getUserText(),
-                       $wgContLang->timeanddate( $rev->getTimestamp() ) );
+                               $rev->getUserText(),
+                               $wgContLang->timeanddate( $rev->getTimestamp() ),
+                               $wgContLang->date( $rev->getTimestamp() ),
+                               $wgContLang->time( $rev->getTimestamp() )
+                       );
                } else {
                        $title = $rev->getUserText() .
                        wfMsgForContent( 'colon-separator' ) .
@@ -281,15 +299,16 @@ class HistoryPage {
  * @ingroup Pager
  */
 class HistoryPager extends ReverseChronologicalPager {
-       public $lastRow = false, $counter, $historyPage, $title, $buttons;
+       public $lastRow = false, $counter, $historyPage, $title, $buttons, $conds;
        protected $oldIdChecked;
 
-       function __construct( $historyPage, $year='', $month='', $tagFilter = '' ) {
+       function __construct( $historyPage, $year='', $month='', $tagFilter = '', $conds = array() ) {
                parent::__construct();
                $this->historyPage = $historyPage;
                $this->title = $this->historyPage->title;
                $this->tagFilter = $tagFilter;
                $this->getDateCond( $year, $month );
+               $this->conds = $conds;
        }
 
        // For hook compatibility...
@@ -297,11 +316,21 @@ class HistoryPager extends ReverseChronologicalPager {
                return $this->historyPage->getArticle();
        }
 
+       function getSqlComment() {
+               if ( $this->conds ) {
+                       return 'history page filtered'; // potentially slow, see CR r58153
+               } else {
+                       return 'history page unfiltered';
+               }
+       }
+
        function getQueryInfo() {
                $queryInfo = array(
                        'tables'  => array('revision'),
-                       'fields'  => array_merge( Revision::selectFields(), array('ts_tags') ),
-                       'conds'   => array('rev_page' => $this->historyPage->title->getArticleID() ),
+                       'fields'  => Revision::selectFields(),
+                       'conds'   => array_merge(
+                               array( 'rev_page' => $this->historyPage->title->getArticleID() ),
+                               $this->conds ),
                        'options' => array( 'USE INDEX' => array('revision' => 'page_timestamp') ),
                        'join_conds' => array( 'tag_summary' => array( 'LEFT JOIN', 'ts_rev_id=rev_id' ) ),
                );
@@ -340,22 +369,30 @@ class HistoryPager extends ReverseChronologicalPager {
         * @return string HTML output
         */
        function getStartBody() {
-               global $wgScript, $wgEnableHtmlDiff, $wgUser, $wgOut, $wgContLang;
+               global $wgScript, $wgUser, $wgOut, $wgContLang;
                $this->lastRow = false;
                $this->counter = 1;
                $this->oldIdChecked = 0;
 
-               $wgOut->wrapWikiMsg( "<div class='mw-history-legend'>\n$1</div>", 'histlegend' );
-               $s = Xml::openElement( 'form', array( 'action' => $wgScript,
+               $wgOut->wrapWikiMsg( "<div class='mw-history-legend'>\n$1\n</div>", 'histlegend' );
+               $s = Html::openElement( 'form', array( 'action' => $wgScript,
                        'id' => 'mw-history-compare' ) ) . "\n";
-               $s .= Xml::hidden( 'title', $this->title->getPrefixedDbKey() ) . "\n";
-               $s .= Xml::hidden( 'action', 'historysubmit' ) . "\n";
+               $s .= Html::hidden( 'title', $this->title->getPrefixedDbKey() ) . "\n";
+               $s .= Html::hidden( 'action', 'historysubmit' ) . "\n";
 
+               $s .= '<div>' . $this->submitButton( wfMsg( 'compareselectedversions'),
+                       array( 'class' => 'historysubmit' ) ) . "\n";
+               
                $this->buttons = '<div>';
+               $this->buttons .= $this->submitButton( wfMsg( 'compareselectedversions'),
+                       array( 'class' => 'historysubmit' )
+                               + $wgUser->getSkin()->tooltipAndAccessKeyAttribs( 'compareselectedversions' )
+               ) . "\n";
+               
                if( $wgUser->isAllowed('deleterevision') ) {
                        $float = $wgContLang->alignEnd();
                        # Note bug #20966, <button> is non-standard in IE<8
-                       $this->buttons .= Xml::element( 'button',
+                       $element = Html::element( 'button',
                                array(
                                        'type' => 'submit',
                                        'name' => 'revisiondelete',
@@ -365,37 +402,27 @@ class HistoryPager extends ReverseChronologicalPager {
                                ),
                                wfMsg( 'showhideselectedversions' )
                        ) . "\n";
+                       $s .= $element;
+                       $this->buttons .= $element;
                }
-               if( $wgEnableHtmlDiff ) {
-                       $this->buttons .= Xml::element( 'button',
+               if( $wgUser->isAllowed( 'revisionmove' ) ) {
+                       $float = $wgContLang->alignEnd();
+                       # Note bug #20966, <button> is non-standard in IE<8
+                       $element = Html::element( 'button',
                                array(
-                                       'type'      => 'submit',
-                                       'name'      => 'htmldiff',
-                                       'value'     => '1',
-                                       'class'     => 'historysubmit',
-                                       'accesskey' => wfMsg( 'accesskey-visualcomparison' ),
-                                       'title'     => wfMsg( 'tooltip-compareselectedversions' ),
+                                       'type' => 'submit',
+                                       'name' => 'revisionmove',
+                                       'value' => '1',
+                                       'style' => "float: $float;",
+                                       'class' => 'mw-history-revisionmove-button',
                                ),
-                               wfMsg( 'visualcomparison')
-                       ) . "\n";
-                       $this->buttons .= $this->submitButton( wfMsg( 'wikicodecomparison'),
-                               array(
-                                       'class'     => 'historysubmit',
-                                       'accesskey' => wfMsg( 'accesskey-compareselectedversions' ),
-                                       'title'     => wfMsg( 'tooltip-compareselectedversions' ),
-                               )
-                       ) . "\n";
-               } else {
-                       $this->buttons .= $this->submitButton( wfMsg( 'compareselectedversions'),
-                               array(
-                                       'class'     => 'historysubmit',
-                                       'accesskey' => wfMsg( 'accesskey-compareselectedversions' ),
-                                       'title'     => wfMsg( 'tooltip-compareselectedversions' ),
-                               )
+                               wfMsg( 'revisionmoveselectedversions' )
                        ) . "\n";
+                       $s .= $element;
+                       $this->buttons .= $element;
                }
                $this->buttons .= '</div>';
-               $s .= $this->buttons . '<ul id="pagehistory">' . "\n";
+               $s .= '</div><ul id="pagehistory">' . "\n";
                return $s;
        }
 
@@ -420,7 +447,10 @@ class HistoryPager extends ReverseChronologicalPager {
                        $s = '';
                }
                $s .= "</ul>\n";
-               $s .= $this->buttons;
+               # Add second buttons only if there is more than one rev
+               if( $this->getNumRows() > 2 ) {
+                       $s .= $this->buttons;
+               }
                $s .= '</form>';
                return $s;
        }
@@ -428,10 +458,11 @@ class HistoryPager extends ReverseChronologicalPager {
        /**
         * Creates a submit button
         *
-        * @param array $attributes attributes
-        * @return string HTML output for the submit button
+        * @param $message String: text of the submit button, will be escaped
+        * @param $attributes Array: attributes
+        * @return String: HTML output for the submit button
         */
-       function submitButton($message, $attributes = array() ) {
+       function submitButton( $message, $attributes = array() ) {
                # Disable submit button if history has 1 revision only
                if( $this->getNumRows() > 1 ) {
                        return Xml::submitButton( $message , $attributes );
@@ -445,13 +476,13 @@ class HistoryPager extends ReverseChronologicalPager {
         *
         * @todo document some more, and maybe clean up the code (some params redundant?)
         *
-        * @param Row $row The database row corresponding to the previous line.
-        * @param mixed $next The database row corresponding to the next line.
-        * @param int $counter Apparently a counter of what row number we're at, counted from the top row = 1.
+        * @param $row Object: the database row corresponding to the previous line.
+        * @param $next Mixed: the database row corresponding to the next line.
+        * @param $counter Integer: apparently a counter of what row number we're at, counted from the top row = 1.
         * @param $notificationtimestamp
-        * @param bool $latest Whether this row corresponds to the page's latest revision.
-        * @param bool $firstInList Whether this row corresponds to the first displayed on this history page.
-        * @return string HTML output for the row
+        * @param $latest Boolean: whether this row corresponds to the page's latest revision.
+        * @param $firstInList Boolean: whether this row corresponds to the first displayed on this history page.
+        * @return String: HTML output for the row
         */
        function historyLine( $row, $next, $counter = '', $notificationtimestamp = false,
                $latest = false, $firstInList = false )
@@ -473,23 +504,36 @@ class HistoryPager extends ReverseChronologicalPager {
                $link = $this->revLink( $rev );
                $classes = array();
 
-               if( $wgUser->isAllowed( 'deleterevision' ) ) {
-                       // Don't show useless link to people who cannot hide revisions
-                       if( !$rev->getVisibility() && !$wgUser->isAllowed( 'deleterevision' ) ) {
-                               $del = Xml::check( 'deleterevisions', false, array('class' => 'mw-revdelundel-hidden') );
-                       // If revision was hidden from sysops
-                       } else if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
-                               $del = Xml::check( 'deleterevisions', false, array('disabled' => 'disabled') );
+               $del = '';
+               // Show checkboxes for each revision
+               if( $wgUser->isAllowed( 'deleterevision' ) || $wgUser->isAllowed( 'revisionmove' ) ) {
+                       // If revision was hidden from sysops, disable the checkbox
+                       // However, if the user has revisionmove rights, we cannot disable the checkbox
+                       if( !$rev->userCan( Revision::DELETED_RESTRICTED ) && !$wgUser->isAllowed( 'revisionmove' ) ) {
+                               $del = Xml::check( 'deleterevisions', false, array( 'disabled' => 'disabled' ) );
+                       // Otherwise, enable the checkbox...
+                       } else {
+                               $del = Xml::check( 'showhiderevisions', false,
+                                       array( 'name' => 'ids['.$rev->getId().']' ) );
+                       }
+               // User can only view deleted revisions...
+               } else if( $rev->getVisibility() && $wgUser->isAllowed( 'deletedhistory' ) ) {
+                       // If revision was hidden from sysops, disable the link
+                       if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
+                               $cdel = $this->getSkin()->revDeleteLinkDisabled( false );
                        // Otherwise, show the link...
                        } else {
-                               $id = $rev->getId();
-                               $del = Xml::check( 'showhiderevisions', false, array( 'name' => "ids[$id]" ) );
+                               $query = array( 'type' => 'revision',
+                                       'target' => $this->title->getPrefixedDbkey(), 'ids' => $rev->getId() );          
+                               $del .= $this->getSkin()->revDeleteLink( $query,
+                                       $rev->isDeleted( Revision::DELETED_RESTRICTED ), false );
                        }
-                       $s .= " $del ";
                }
+               if( $del ) $s .= " $del ";
 
                $s .= " $link";
-               $s .= " <span class='history-user'>" . $this->getSkin()->revUserTools( $rev, true ) . "</span>";
+               $s .= " <span class='history-user'>" .
+                       $this->getSkin()->revUserTools( $rev, true ) . "</span>";
 
                if( $rev->isMinor() ) {
                        $s .= ' ' . ChangesList::flag( 'minor' );
@@ -546,7 +590,7 @@ class HistoryPager extends ReverseChronologicalPager {
                $classes = array_merge( $classes, $newClasses );
                $s .= " $tagSummary";
 
-               wfRunHooks( 'PageHistoryLineEnding', array( $this, &$row , &$s ) );
+               wfRunHooks( 'PageHistoryLineEnding', array( $this, &$row , &$s, &$classes ) );
 
                $attribs = array();
                if ( $classes ) {
@@ -558,14 +602,15 @@ class HistoryPager extends ReverseChronologicalPager {
 
        /**
         * Create a link to view this revision of the page
-        * @param Revision $rev
-        * @returns string
+        *
+        * @param $rev Revision
+        * @return String
         */
        function revLink( $rev ) {
                global $wgLang;
                $date = $wgLang->timeanddate( wfTimestamp(TS_MW, $rev->getTimestamp()), true );
                $date = htmlspecialchars( $date );
-               if( !$rev->isDeleted( Revision::DELETED_TEXT ) ) {
+               if ( $rev->userCan( Revision::DELETED_TEXT ) ) {
                        $link = $this->getSkin()->link(
                                $this->title,
                                $date,
@@ -574,16 +619,20 @@ class HistoryPager extends ReverseChronologicalPager {
                                array( 'known', 'noclasses' )
                        );
                } else {
-                       $link = "<span class=\"history-deleted\">$date</span>";
+                       $link = $date;
+               }
+               if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
+                       $link = "<span class=\"history-deleted\">$link</span>";
                }
                return $link;
        }
 
        /**
         * Create a diff-to-current link for this revision for this page
-        * @param Revision $rev
-        * @param Bool $latest, this is the latest revision of the page?
-        * @returns string
+        *
+        * @param $rev Revision
+        * @param $latest Boolean: this is the latest revision of the page?
+        * @return String
         */
        function curLink( $rev, $latest ) {
                $cur = $this->historyPage->message['cur'];
@@ -605,10 +654,11 @@ class HistoryPager extends ReverseChronologicalPager {
 
        /**
         * Create a diff-to-previous link for this revision for this page.
-        * @param Revision $prevRev, the previous revision
-        * @param mixed $next, the newer revision
-        * @param int $counter, what row on the history list this is
-        * @returns string
+        *
+        * @param $prevRev Revision: the previous revision
+        * @param $next Mixed: the newer revision
+        * @param $counter Integer: what row on the history list this is
+        * @return String
         */
        function lastLink( $prevRev, $next, $counter ) {
                $last = $this->historyPage->message['last'];
@@ -629,7 +679,9 @@ class HistoryPager extends ReverseChronologicalPager {
                                ),
                                array( 'known', 'noclasses' )
                        );
-               } elseif( !$prevRev->userCan(Revision::DELETED_TEXT) || !$nextRev->userCan(Revision::DELETED_TEXT) ) {
+               } elseif( !$prevRev->userCan(Revision::DELETED_TEXT)
+                       || !$nextRev->userCan(Revision::DELETED_TEXT) )
+               {
                        return $last;
                } else {
                        return $this->getSkin()->link(
@@ -648,10 +700,10 @@ class HistoryPager extends ReverseChronologicalPager {
        /**
         * Create radio buttons for page history
         *
-        * @param object $rev Revision
-        * @param bool $firstInList Is this version the first one?
-        * @param int $counter A counter of what row number we're at, counted from the top row = 1.
-        * @return string HTML output for the radio buttons
+        * @param $rev Revision object
+        * @param $firstInList Boolean: is this version the first one?
+        * @param $counter Integer: a counter of what row number we're at, counted from the top row = 1.
+        * @return String: HTML output for the radio buttons
         */
        function diffButtons( $rev, $firstInList, $counter ) {
                if( $this->getNumRows() > 1 ) {
@@ -667,11 +719,11 @@ class HistoryPager extends ReverseChronologicalPager {
                                );
                                $checkmark = array( 'checked' => 'checked' );
                        } else {
-                               # Check ility of old revisions
+                               # Check visibility of old revisions
                                if( !$rev->userCan( Revision::DELETED_TEXT ) ) {
                                        $radio['disabled'] = 'disabled';
                                        $checkmark = array(); // We will check the next possible one
-                               } else if( $counter == 2 || !$this->oldIdChecked ) {
+                               } else if( !$this->oldIdChecked ) {
                                        $checkmark = array( 'checked' => 'checked' );
                                        $this->oldIdChecked = $id;
                                } else {