From 40ac54e1721ee8687901984cb60bed997f39ce78 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?=
 <avar@users.mediawiki.org>
Date: Fri, 16 Sep 2005 15:09:14 +0000
Subject: [PATCH] * A new special page to search for pages in NS_IMAGE that
 link to a certain   page in NS_TEMPLATE

---
 includes/SpecialLicensesearch.php | 140 ++++++++++++++++++++++++++++++
 includes/SpecialPage.php          |   1 +
 languages/Language.php            |   5 ++
 3 files changed, 146 insertions(+)
 create mode 100644 includes/SpecialLicensesearch.php

diff --git a/includes/SpecialLicensesearch.php b/includes/SpecialLicensesearch.php
new file mode 100644
index 0000000000..cf2361a669
--- /dev/null
+++ b/includes/SpecialLicensesearch.php
@@ -0,0 +1,140 @@
+<?php
+/**
+ * Search for pages in NS_IMAGE that link to a certain page in NS_TEMPLATE
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/* */
+require_once 'QueryPage.php';
+
+/**
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class LicensesearchPage extends QueryPage {
+	var $license;
+
+	function LicensesearchPage( $license ) {
+		$this->license = $license;
+	}
+	
+	function getName() { return 'Licensesearch'; }
+	
+	/**
+	 * Due to this page relying upon extra fields being passed in the SELECT it
+	 * will fail if it's set as expensive and misermode is on
+	 */
+	function isExpensive() { return false; }
+	function isSyndicated() { return false; }
+	
+	function linkParameters() {
+		return array( 'license' => $this->license );
+	}
+
+	function getSQL() {
+		$dbr =& wfGetDB( DB_SLAVE );
+		extract( $dbr->tableNames( 'page', 'pagelinks' ) );
+		$license = $dbr->addQuotes( $this->license );
+		
+		return
+			"SELECT 'Licensesearch' as type,
+				" . NS_IMAGE . " as namespace,
+				page_title as title,
+				page_title as value
+			FROM $pagelinks
+			LEFT JOIN $page ON page_id = pl_from
+			WHERE page_namespace = " . NS_IMAGE . " AND pl_namespace = " . NS_TEMPLATE  . " AND pl_title = $license
+			";
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgContLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getText() );
+		$plink = $skin->makeLink( $nt->getPrefixedText(), $text );
+
+		return $plink;
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialLicensesearch( $par = null ) {
+	global $wgRequest, $wgTitle, $wgOut;
+
+	$license = isset( $par ) ? $par : $wgRequest->getText( 'license' );
+
+	$wgOut->addHTML(
+		wfElement( 'form',
+			array(
+				'id' => 'speciallicensesearch',
+				'method' => 'get',
+				'action' => $wgTitle->escapeLocalUrl()
+			),
+			null
+		) .
+			wfOpenElement( 'label' ) .
+				wfMsgHtml( 'licensesearch_license' ) .
+				wfElement( 'input', array(
+						'type' => 'text',
+						'size' => 20,
+						'name' => 'license',
+						'value' => $license
+					),
+					''
+				) .
+				' ' .
+				wfElement( 'input', array(
+						'type' => 'submit',
+						'value' => wfMsg( 'ilsubmit' )
+					),
+					''
+				) .
+			wfCloseElement( 'label' ) .
+		wfCloseElement( 'form' )
+	);
+
+	$license =  trim( $license, ' ' );
+	if ($license == '')
+		return;
+
+	$license = wfSpecialLicensesearchLicense( $license );
+	$wpp = new LicensesearchPage( $license );
+	
+	list( $limit, $offset ) = wfCheckLimits();
+	$wpp->doQuery( $offset, $limit );
+}
+
+function wfSpecialLicensesearchLicense( $license ) {
+	$aliases = wfSpecialLicensesearchLicenseParser();
+	
+	if ( @$aliases[$license] !== null )
+		return $aliases[$license];
+	else
+		return $license;
+}
+
+function wfSpecialLicensesearchLicenseParser() {
+	$aliases = array();
+	
+	$licenses = explode( "\n", wfMsgForContent( 'licensesearch_licenses' ) );
+	foreach ($licenses as $line) {
+		if ( strpos( $line, '*' ) !== 0 || strpos( $line, '|' ) === false)
+			continue;
+		else {
+			$line = ltrim( $line, '* ' );
+			list( $template, $alias ) = explode( '|', $line, 2 );
+			$aliases[$alias] = $template;
+		}
+	}
+
+	return $aliases;
+}
+?>
diff --git a/includes/SpecialPage.php b/includes/SpecialPage.php
index 9133f8e5b7..6b60b9e528 100644
--- a/includes/SpecialPage.php
+++ b/includes/SpecialPage.php
@@ -71,6 +71,7 @@ $wgSpecialPages = array(
 	'Unlockdb'		=> new SpecialPage( 'Unlockdb', 'siteadmin' ),
 	'Userrights'	=> new SpecialPage( 'Userrights', 'userrights' ),
 	'MIMEsearch'    => new SpecialPage( 'MIMEsearch' ),
+	'Licensesearch' => new SpecialPage( 'Licensesearch' ),
 );
 
 if ( $wgUseValidation )
diff --git a/languages/Language.php b/languages/Language.php
index 916dacc967..89a0b33de1 100644
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -1076,6 +1076,11 @@ this old version, (rev) = revert to this old version.
 'mimetype' => 'MIME type: ',
 'download' => 'download',
 
+# License search
+#
+'licensesearch' => 'License search',
+'licensesearch_license' => 'License: ',
+
 # Statistics
 #
 'statistics'	=> 'Statistics',
-- 
2.20.1