skin.php

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	function getCategoryLinks () {
		global $wgOut, $wgTitle, $wgUseCategoryBrowser;
		global $wgContLang;

		if( count( $wgOut->mCategoryLinks ) == 0 ) return '';

		# Separator
		$sep = wfMsgHtml( 'catseparator' );

		// Use Unicode bidi embedding override characters,
		// to make sure links don't smash each other up in ugly ways.
		$dir = $wgContLang->isRTL() ? 'rtl' : 'ltr';
		$embed = "<span dir='$dir'>";
		$pop = '</span>';
		$t = $embed . implode ( "{$pop} {$sep} {$embed}" , $wgOut->mCategoryLinks ) . $pop;

		$msg = wfMsgExt('categories', array('parsemag', 'escape'), count( $wgOut->mCategoryLinks ));
		$s = $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Categories' ),
			$msg, 'article=' . urlencode( $wgTitle->getPrefixedDBkey() ) )
			. ': ' . $t;

		# optional 'dmoz-like' category browser. Will be shown under the list
		# of categories an article belong to
		if($wgUseCategoryBrowser) {
			$s .= '<br /><hr />';

			# get a big array of the parents tree
			$parenttree = $wgTitle->getParentCategoryTree();
			# Skin object passed by reference cause it can not be
			# accessed under the method subfunction drawCategoryBrowser
			$tempout = explode("\n", Skin::drawCategoryBrowser($parenttree, $this) );
			# Clean out bogus first entry and sort them
			unset($tempout[0]);
			asort($tempout);
			# Output one per line
			$s .= implode("<br />\n", $tempout);
		}

		return $s;
	}

	/** Render the array as a serie of links.
	 * @param $tree Array: categories tree returned by Title::getParentCategoryTree
	 * @param &skin Object: skin passed by reference
	 * @return String separated by &gt;, terminate with "\n"
	 */
	function drawCategoryBrowser($tree, &$skin) {
		$return = '';
		foreach ($tree as $element => $parent) {
			if (empty($parent)) {
				# element start a new list
				$return .= "\n";
			} else {
				# grab the others elements
				$return .= Skin::drawCategoryBrowser($parent, $skin) . ' &gt; ';
			}
			# add our current element to the list
			$eltitle = Title::NewFromText($element);
			$return .=  $skin->makeLinkObj( $eltitle, $eltitle->getText() ) ;
		}
		return $return;
	}

	function getCategories() {
		$catlinks=$this->getCategoryLinks();
		if(!empty($catlinks)) {
			return "<p class='catlinks'>{$catlinks}</p>";
		}
	}

	function getQuickbarCompensator( $rows = 1 ) {
		return "<td width='152' rowspan='{$rows}'>&nbsp;</td>";
	}

	/**
	 * This gets called immediately before the \</body\> tag.
	 * @return String HTML to be put after \</body\> ???
	 */
	function afterContent() {
		$printfooter = "<div class=\"printfooter\">\n" . $this->printFooter() . "</div>\n";
		return $printfooter . $this->doAfterContent();
	}

	/** @return string Retrievied from HTML text */
	function printSource() {
		global $wgTitle;
		$url = htmlspecialchars( $wgTitle->getFullURL() );
		return wfMsg( 'retrievedfrom', '<a href="'.$url.'">'.$url.'</a>' );
	}

	function printFooter() {
		return "<p>" .  $this->printSource() .
			"</p>\n\n<p>" . $this->pageStats() . "</p>\n";
	}

	/** overloaded by derived classes */
	function doAfterContent() { }

	function pageTitleLinks() {
		global $wgOut, $wgTitle, $wgUser, $wgRequest;

		extract( $wgRequest->getValues( 'oldid', 'diff' ) );
		$action = $wgRequest->getText( 'action' );

		$s = $this->printableLink();
		$disclaimer = $this->disclaimerLink(); # may be empty
		if( $disclaimer ) {
			$s .= ' | ' . $disclaimer;
		}
		$privacy = $this->privacyLink(); # may be empty too
		if( $privacy ) {
			$s .= ' | ' . $privacy;
		}

		if ( $wgOut->isArticleRelated() ) {
			if ( $wgTitle->getNamespace() == NS_IMAGE ) {
				$name = $wgTitle->getDBkey();
				$image = new Image( $wgTitle );
				if( $image->exists() ) {
					$link = htmlspecialchars( $image->getURL() );
					$style = $this->getInternalLinkAttributes( $link, $name );
					$s .= " | <a href=\"{$link}\"{$style}>{$name}</a>";
				}
			}
		}
		if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
			$s .= ' | ' . $this->makeKnownLinkObj( $wgTitle,
					wfMsg( 'currentrev' ) );
		}

		if ( $wgUser->getNewtalk() ) {
			# do not show "You have new messages" text when we are viewing our
			# own talk page
			if( !$wgTitle->equals( $wgUser->getTalkPage() ) ) {
				$tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessageslink' ), 'redirect=no' );
				$dl = $this->makeKnownLinkObj( $wgUser->getTalkPage(), wfMsgHtml( 'newmessagesdifflink' ), 'diff=cur' );
				$s.= ' | <strong>'. wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
				# disable caching
				$wgOut->setSquidMaxage(0);
				$wgOut->enableClientCache(false);
			}
		}

		$undelete = $this->getUndeleteLink();
		if( !empty( $undelete ) ) {
			$s .= ' | '.$undelete;
		}
		return $s;
	}

	function getUndeleteLink() {
		global $wgUser, $wgTitle, $wgContLang, $action;
		if(	$wgUser->isAllowed( 'deletedhistory' ) &&
			(($wgTitle->getArticleId() == 0) || ($action == "history")) &&
			($n = $wgTitle->isDeleted() ) )
		{
			if ( $wgUser->isAllowed( 'delete' ) ) {
				$msg = 'thisisdeleted';
			} else {
				$msg = 'viewdeleted';
			}
			return wfMsg( $msg,
				$this->makeKnownLink(
					$wgContLang->SpecialPage( 'Undelete/' . $wgTitle->getPrefixedDBkey() ),
					wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $n ) ) );
		}
		return '';
	}

	function printableLink() {
		global $wgOut, $wgFeedClasses, $wgRequest;

		$baseurl = $_SERVER['REQUEST_URI'];
		if( strpos( '?', $baseurl ) == false ) {
			$baseurl .= '?';
		} else {
			$baseurl .= '&';
		}
		$baseurl = htmlspecialchars( $baseurl );
		$printurl = $wgRequest->escapeAppendQuery( 'printable=yes' );

		$s = "<a href=\"$printurl\">" . wfMsg( 'printableversion' ) . '</a>';
		if( $wgOut->isSyndicated() ) {
			foreach( $wgFeedClasses as $format => $class ) {
				$feedurl = $wgRequest->escapeAppendQuery( "feed=$format" );
				$s .= " | <a href=\"$feedurl\">{$format}</a>";
			}
		}
		return $s;
	}

	function pageTitle() {
		global $wgOut;
		$s = '<h1 class="pagetitle">' . htmlspecialchars( $wgOut->getPageTitle() ) . '</h1>';
		return $s;
	}

	function pageSubtitle() {
		global $wgOut;

		$sub = $wgOut->getSubtitle();
		if ( '' == $sub ) {
			global $wgExtraSubtitle;
			$sub = wfMsg( 'tagline' ) . $wgExtraSubtitle;
		}
		$subpages = $this->subPageSubtitle();
		$sub .= !empty($subpages)?"</p><p class='subpages'>$subpages":'';
		$s = "<p class='subtitle'>{$sub}</p>\n";
		return $s;
	}

	function subPageSubtitle() {
		global $wgOut,$wgTitle,$wgNamespacesWithSubpages;
		$subpages = '';
		if($wgOut->isArticle() && !empty($wgNamespacesWithSubpages[$wgTitle->getNamespace()])) {
			$ptext=$wgTitle->getPrefixedText();
			if(preg_match('/\//',$ptext)) {
				$links = explode('/',$ptext);
				$c = 0;
				$growinglink = '';
				foreach($links as $link) {
					$c++;
					if ($c<count($links)) {
						$growinglink .= $link;
						$getlink = $this->makeLink( $growinglink, htmlspecialchars( $link ) );
						if(preg_match('/class="new"/i',$getlink)) { break; } # this is a hack, but it saves time
						if ($c>1) {
							$subpages .= ' | ';
						} else  {
							$subpages .= '&lt; ';
						}
						$subpages .= $getlink;
						$growinglink .= '/';
					}
				}
			}
		}
		return $subpages;
	}

	function nameAndLogin() {
		global $wgUser, $wgTitle, $wgLang, $wgContLang, $wgShowIPinHeader;

		$li = $wgContLang->specialPage( 'Userlogin' );
		$lo = $wgContLang->specialPage( 'Userlogout' );

		$s = '';
		if ( $wgUser->isAnon() ) {
			if( $wgShowIPinHeader && isset( $_COOKIE[ini_get('session.name')] ) ) {
				$n = wfGetIP();

				$tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
				  $wgLang->getNsText( NS_TALK ) );

				$s .= $n . ' ('.$tl.')';
			} else {
				$s .= wfMsg('notloggedin');
			}

			$rt = $wgTitle->getPrefixedURL();
			if ( 0 == strcasecmp( urlencode( $lo ), $rt ) ) {
				$q = '';
			} else { $q = "returnto={$rt}"; }

			$s .= "\n<br />" . $this->makeKnownLinkObj(
				Title::makeTitle( NS_SPECIAL, 'Userlogin' ),
				wfMsg( 'login' ), $q );
		} else {
			$n = $wgUser->getName();
			$rt = $wgTitle->getPrefixedURL();
			$tl = $this->makeKnownLinkObj( $wgUser->getTalkPage(),
			  $wgLang->getNsText( NS_TALK ) );

			$tl = " ({$tl})";

			$s .= $this->makeKnownLinkObj( $wgUser->getUserPage(),
			  $n ) . "{$tl}<br />" .
			  $this->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, 'Userlogout' ), wfMsg( 'logout' ),
			  "returnto={$rt}" ) . ' | ' .
			  $this->specialLink( 'preferences' );
		}
		$s .= ' | ' . $this->makeKnownLink( wfMsgForContent( 'helppage' ),
		  wfMsg( 'help' ) );

		return $s;
	}

	function getSearchLink() {
		$searchPage =& Title::makeTitle( NS_SPECIAL, 'Search' );
		return $searchPage->getLocalURL();
	}

	function escapeSearchLink() {
		return htmlspecialchars( $this->getSearchLink() );
	}

	function searchForm() {
		global $wgRequest;
		$search = $wgRequest->getText( 'search' );

		$s = '<form name="search" class="inline" method="post" action="'
		  . $this->escapeSearchLink() . "\">\n"
		  . '<input type="text" name="search" size="19" value="'
		  . htmlspecialchars(substr($search,0,256)) . "\" />\n"
		  . '<input type="submit" name="go" value="' . wfMsg ('go') . '" />&nbsp;'
		  . '<input type="submit" name="fulltext" value="' . wfMsg ('search') . "\" />\n</form>";

		return $s;
	}

	function topLinks() {
		global $wgOut;
		$sep = " |\n";

		$s = $this->mainPageLink() . $sep
		  . $this->specialLink( 'recentchanges' );

		if ( $wgOut->isArticleRelated() ) {
			$s .=  $sep . $this->editThisPage()
			  . $sep . $this->historyLink();
		}
		# Many people don't like this dropdown box
		#$s .= $sep . $this->specialPagesList();

		/* show links to different language variants */
		global $wgDisableLangConversion, $wgContLang, $wgTitle;
		$variants = $wgContLang->getVariants();
		if( !$wgDisableLangConversion && sizeof( $variants ) > 1 ) {
			foreach( $variants as $code ) {
				$varname = $wgContLang->getVariantname( $code );
				if( $varname == 'disable' )
					continue;
				$s .= ' | <a href="' . $wgTitle->getLocalUrl( 'variant=' . $code ) . '">' . $varname . '</a>';
			}
		}

		return $s;
	}

	function bottomLinks() {
		global $wgOut, $wgUser, $wgTitle, $wgUseTrackbacks;
		$sep = " |\n";

		$s = '';
		if ( $wgOut->isArticleRelated() ) {
			$s .= '<strong>' . $this->editThisPage() . '</strong>';
			if ( $wgUser->isLoggedIn() ) {
				$s .= $sep . $this->watchThisPage();
			}
			$s .= $sep . $this->talkLink()
			  . $sep . $this->historyLink()
			  . $sep . $this->whatLinksHere()
			  . $sep . $this->watchPageLinksLink();

			if ($wgUseTrackbacks)
				$s .= $sep . $this->trackbackLink();

			if ( $wgTitle->getNamespace() == NS_USER
			    || $wgTitle->getNamespace() == NS_USER_TALK )

			{
				$id=User::idFromName($wgTitle->getText());
				$ip=User::isIP($wgTitle->getText());

				if($id || $ip) { # both anons and non-anons have contri list
					$s .= $sep . $this->userContribsLink();
				}
				if( $this->showEmailUser( $id ) ) {
					$s .= $sep . $this->emailUserLink();
				}
			}
			if ( $wgTitle->getArticleId() ) {
				$s .= "\n<br />";
				if($wgUser->isAllowed('delete')) { $s .= $this->deleteThisPage(); }
				if($wgUser->isAllowed('protect')) { $s .= $sep . $this->protectThisPage(); }
				if($wgUser->isAllowed('move')) { $s .= $sep . $this->moveThisPage(); }
			}
			$s .= "<br />\n" . $this->otherLanguages();
		}
		return $s;
	}

	function pageStats() {
		global $wgOut, $wgLang, $wgArticle, $wgRequest, $wgUser;
		global $wgDisableCounters, $wgMaxCredits, $wgShowCreditsIfMax, $wgTitle, $wgPageShowWatchingUsers;

		extract( $wgRequest->getValues( 'oldid', 'diff' ) );
		if ( ! $wgOut->isArticle() ) { return ''; }
		if ( isset( $oldid ) || isset( $diff ) ) { return ''; }
		if ( 0 == $wgArticle->getID() ) { return ''; }

		$s = '';
		if ( !$wgDisableCounters ) {
			$count = $wgLang->formatNum( $wgArticle->getCount() );
			if ( $count ) {
				$s = wfMsgExt( 'viewcount', array( 'parseinline' ), $count );
			}
		}

	        if (isset($wgMaxCredits) && $wgMaxCredits != 0) {
		    require_once('Credits.php');
		    $s .= ' ' . getCredits($wgArticle, $wgMaxCredits, $wgShowCreditsIfMax);
		} else {
		    $s .= $this->lastModified();
		}

		if ($wgPageShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) {
			$dbr =& wfGetDB( DB_SLAVE );
			extract( $dbr->tableNames( 'watchlist' ) );
			$sql = "SELECT COUNT(*) AS n FROM $watchlist
				WHERE wl_title='" . $dbr->strencode($wgTitle->getDBKey()) .
				"' AND  wl_namespace=" . $wgTitle->getNamespace() ;
			$res = $dbr->query( $sql, 'Skin::pageStats');
			$x = $dbr->fetchObject( $res );
			$s .= ' ' . wfMsg('number_of_watching_users_pageview', $x->n );
		}

		return $s . ' ' .  $this->getCopyright();
	}

	function getCopyright( $type = 'detect' ) {
		global $wgRightsPage, $wgRightsUrl, $wgRightsText, $wgRequest;

		if ( $type == 'detect' ) {
			$oldid = $wgRequest->getVal( 'oldid' );
			$diff = $wgRequest->getVal( 'diff' );

			if ( !is_null( $oldid ) && is_null( $diff ) && wfMsgForContent( 'history_copyright' ) !== '-' ) {
				$type = 'history';
			} else {
				$type = 'normal';
			}
		}

		if ( $type == 'history' ) {
			$msg = 'history_copyright';
		} else {
			$msg = 'copyright';
		}

		$out = '';
		if( $wgRightsPage ) {
			$link = $this->makeKnownLink( $wgRightsPage, $wgRightsText );
		} elseif( $wgRightsUrl ) {
			$link = $this->makeExternalLink( $wgRightsUrl, $wgRightsText );
		} else {
			# Give up now
			return $out;
		}
		$out .= wfMsgForContent( $msg, $link );
		return $out;
	}

	function getCopyrightIcon() {
		global $wgRightsUrl, $wgRightsText, $wgRightsIcon, $wgCopyrightIcon;
		$out = '';
		if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
			$out = $wgCopyrightIcon;
		} else if ( $wgRightsIcon ) {
			$icon = htmlspecialchars( $wgRightsIcon );
			if ( $wgRightsUrl ) {
				$url = htmlspecialchars( $wgRightsUrl );
				$out .= '<a href="'.$url.'">';
			}
			$text = htmlspecialchars( $wgRightsText );
			$out .= "<img src=\"$icon\" alt='$text' />";
			if ( $wgRightsUrl ) {
				$out .= '</a>';
			}
		}
		return $out;
	}

	function getPoweredBy() {
		global $wgStylePath;
		$url = htmlspecialchars( "$wgStylePath/common/images/poweredby_mediawiki_88x31.png" );
		$img = '<a href="http://www.mediawiki.org/"><img src="'.$url.'" alt="MediaWiki" /></a>';
		return $img;
	}

	function lastModified() {
		global $wgLang, $wgArticle, $wgLoadBalancer;

		$timestamp = $wgArticle->getTimestamp();
		if ( $timestamp ) {
			$d = $wgLang->timeanddate( $timestamp, true );
			$s = ' ' . wfMsg( 'lastmodified', $d );
		} else {
			$s = '';
		}
		if ( $wgLoadBalancer->getLaggedSlaveMode() ) {
			$s .= ' <strong>' . wfMsg( 'laggedslavemode' ) . '</strong>';
		}
		return $s;
	}

	function logoText( $align = '' ) {
		if ( '' != $align ) { $a = " align='{$align}'"; }
		else { $a = ''; }