MediaWiki
REL1_22
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00001 <?php 00029 class UnusedimagesPage extends ImageQueryPage { 00030 function __construct( $name = 'Unusedimages' ) { 00031 parent::__construct( $name ); 00032 } 00033 00034 function isExpensive() { 00035 return true; 00036 } 00037 00038 function sortDescending() { 00039 return false; 00040 } 00041 00042 function isSyndicated() { 00043 return false; 00044 } 00045 00046 function getQueryInfo() { 00047 global $wgCountCategorizedImagesAsUsed; 00048 $retval = array( 00049 'tables' => array( 'image', 'imagelinks' ), 00050 'fields' => array( 'namespace' => NS_FILE, 00051 'title' => 'img_name', 00052 'value' => 'img_timestamp', 00053 'img_user', 'img_user_text', 00054 'img_description' ), 00055 'conds' => array( 'il_to IS NULL' ), 00056 'join_conds' => array( 'imagelinks' => array( 00057 'LEFT JOIN', 'il_to = img_name' ) ) 00058 ); 00059 00060 if ( $wgCountCategorizedImagesAsUsed ) { 00061 // Order is significant 00062 $retval['tables'] = array( 'image', 'page', 'categorylinks', 00063 'imagelinks' ); 00064 $retval['conds']['page_namespace'] = NS_FILE; 00065 $retval['conds'][] = 'cl_from IS NULL'; 00066 $retval['conds'][] = 'img_name = page_title'; 00067 $retval['join_conds']['categorylinks'] = array( 00068 'LEFT JOIN', 'cl_from = page_id' ); 00069 $retval['join_conds']['imagelinks'] = array( 00070 'LEFT JOIN', 'il_to = page_title' ); 00071 } 00072 return $retval; 00073 } 00074 00075 function usesTimestamps() { 00076 return true; 00077 } 00078 00079 function getPageHeader() { 00080 return $this->msg( 'unusedimagestext' )->parseAsBlock(); 00081 } 00082 00083 protected function getGroupName() { 00084 return 'maintenance'; 00085 } 00086 }