Merge "Add file-link "parser" to mw.Title from commons"

[lhc/web/wiklou.git] / resources / mediawiki / mediawiki.Title.js

diff --git a/resources/mediawiki/mediawiki.Title.js b/resources/mediawiki/mediawiki.Title.js
index 4240f08..346ab33 100644 (file)
--- a/resources/mediawiki/mediawiki.Title.js
+++ b/resources/mediawiki/mediawiki.Title.js
@@ -298,6 +298,61 @@
                return t;
        };
 
+       /**
+        * Get the file title from an image element
+        *
+        *     var title = mw.Title.newFromImg( $( 'img:first' ) );
+        *
+        * @static
+        * @param {HTMLImageElement|jQuery} img The image to use as a base.
+        * @return {mw.Title|null} The file title - null if unsuccessful.
+        */
+       Title.newFromImg = function ( img ) {
+               var matches, i, regex, src, decodedSrc,
+
+                       // thumb.php-generated thumbnails
+                       thumbPhpRegex = /thumb\.php/,
+
+                       regexes = [
+                               // Thumbnails
+                               /\/[a-f0-9]\/[a-f0-9]{2}\/([^\s\/]+)\/[0-9]+px-\1[^\s\/]*$/,
+
+                               // Thumbnails in non-hashed upload directories
+                               /\/([^\s\/]+)\/[0-9]+px-\1[^\s\/]*$/,
+
+                               // Full size images
+                               /\/[a-f0-9]\/[a-f0-9]{2}\/([^\s\/]+)$/,
+
+                               // Full-size images in non-hashed upload directories
+                               /\/([^\s\/]+)$/
+                       ],
+
+                       recount = regexes.length;
+
+               img = img.jquery ? img.get( 0 ) : img;
+
+               src = img.src;
+
+               matches = src.match( thumbPhpRegex );
+
+               if ( matches ) {
+                       return mw.Title.newFromText( 'File:' + mw.util.getParamValue( 'f', src ) );
+               }
+
+               decodedSrc = decodeURIComponent( src );
+
+               for ( i = 0; i < recount; i++ ) {
+                       regex = regexes[i];
+                       matches = decodedSrc.match( regex );
+
+                       if ( matches && matches[1] ) {
+                               return mw.Title.newFromText( 'File:' + matches[1] );
+                       }
+               }
+
+               return null;
+       };
+
        /**
         * Whether this title exists on the wiki.
         *