plugin install

wp/wp-content/plugins/gravityforms/includes/locking/js/locking-view.js

@@ -0,0 +1,42 @@
+(function (gflocking, $) {
+    var objectID, objectType;
+
+    $(document).ready( function() {
+
+        objectID = gflockingVars.objectID;
+        objectType = gflockingVars.objectType;
+        gflocking.init();
+    });
+
+    gflocking.init = function () {
+        initHeartbeat();
+    };
+
+    function initHeartbeat() {
+        wp.heartbeat.interval( 30 );
+        var checkLocksKey = 'gform-check-locked-objects-' + objectType;
+        $( document ).on( 'heartbeat-tick.' + checkLocksKey, function( e, data ) {
+            var locked = data[checkLocksKey] || {};
+
+            if ( locked.hasOwnProperty( objectID ) ) {
+                var lock_data = locked[objectID];
+                $('.locked-text').text( lock_data.text );
+                if ( lock_data.avatar_src ) {
+                    var avatar = $('<img class="avatar avatar-18 photo" width="18" height="18" />').attr( 'src', lock_data.avatar_src.replace(/&amp;/g, '&') );
+                    $('.locked-avatar').empty().append( avatar );
+                }
+            } else {
+                $(".locked-info span").empty();
+            }
+
+        }).on( 'heartbeat-send.' + checkLocksKey, function( e, data ) {
+                var check = [];
+
+                check.push( objectID);
+
+                data[checkLocksKey] = check;
+            });
+
+    }
+
+}(window.gflocking = window.gflocking || {}, jQuery));