diff --git a/lang/en/repository.php b/lang/en/repository.php
index 2178c1e7566..72734cc371f 100644
--- a/lang/en/repository.php
+++ b/lang/en/repository.php
@@ -144,6 +144,7 @@ $string['searching'] = 'Search in';
 $string['select'] = 'Select';
 $string['settings'] = 'Settings';
 $string['setupdefaultplugins'] = 'Setting up default repository plugins';
+$string['setmainfile'] = 'Set main file';
 $string['siteinstances'] = 'Repositories instances of the site';
 $string['size'] = 'Size';
 $string['submit'] = 'Submit';
diff --git a/lib/form/filemanager.js b/lib/form/filemanager.js
index 3975e111433..2881e8d8bb2 100644
--- a/lib/form/filemanager.js
+++ b/lib/form/filemanager.js
@@ -54,6 +54,9 @@ M.form_filemanager.init = function(Y, options) {
         menus: {},
         initializer: function(options) {
             this.options = options;
+            if (options.mainfile) {
+                this.mainfile = options.mainfile;
+            }
             this.client_id = options.client_id;
             this.currentpath = '/';
             this.maxfiles = options.maxfiles;
@@ -333,7 +336,7 @@ M.form_filemanager.init = function(Y, options) {
 
                 var url = "###";
                 // check main file
-                //var ismainfile = false;
+                var ismainfile = false;
                 //if (fm_cfg[this.client_id].mainfilename && (fm_cfg[this.client_id].mainfilename.toLowerCase() == list[i].fullname.toLowerCase())) {
                     //ismainfile = true;
                 //}
@@ -410,12 +413,22 @@ M.form_filemanager.init = function(Y, options) {
             this.refresh(file.filepath);
         },
         create_filemenu: function(e, data) {
+            var options = this.options;
             var node = e.currentTarget;
             var file = data[node.get('id')];
 
             var menuitems = [
                 {text: M.str.moodle.download, url:file.url}
                 ];
+            function setmainfile(type, ev, obj) {
+                var file = obj[node.get('id')];
+                Y.one(mainid).set('value', file.filepath+file.filename);
+            }
+            if (this.mainfile) {
+                var mainid = '#id_'+this.mainfile;
+                var menu = {text: M.str.repository.setmainfile, onclick:{fn: setmainfile, obj:data, scope:this}};
+                menuitems.push(menu);
+            }
             this.create_menu(e, 'filemenu', menuitems, file, data);
         },
         create_foldermenu: function(e, data) {
diff --git a/lib/weblib.php b/lib/weblib.php
index 18a0b40fcc2..e9949d610e3 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -2756,6 +2756,7 @@ function print_filemanager($options, $return = false) {
     $PAGE->requires->string_for_js('popupblockeddownload', 'repository');
     $PAGE->requires->string_for_js('draftareanofiles', 'repository');
     $PAGE->requires->string_for_js('path', 'moodle');
+    $PAGE->requires->string_for_js('setmainfile', 'repository');
     // language strings
     $straddfile  = get_string('add', 'repository') . '...';
     $strmakedir  = get_string('makeafolder', 'moodle');
diff --git a/mod/resource/lang/en/resource.php b/mod/resource/lang/en/resource.php
index 408f440be57..3f19710038e 100644
--- a/mod/resource/lang/en/resource.php
+++ b/mod/resource/lang/en/resource.php
@@ -158,6 +158,7 @@ $string['printintro'] = 'Display resource description';
 $string['printintroexplain'] = 'Display resource description bellow content? Some display types may not display description even if enabled.';
 $string['redeploy'] = 'Deploy again';
 $string['repository'] = 'IMS repository';
+$string['resourceadministration'] = 'Resource administration';
 $string['resourcecontent'] = 'Files and subfolders';
 $string['resourcedefaulturl'] = 'Default URL';
 $string['resource:exportresource'] = 'Export resource';