Fix Web GUI breaking with ad blockers (#560)

Author: andocz

plugins/cpp/webgui/js/cppMenu.js

@@ -67,8 +67,8 @@ function (topic, Menu, MenuItem, PopupMenuItem, astHelper, model, urlHandler, vi
             elementInfo : nodeInfo
           });
 
-          if (gtag) {
-            gtag ('event', 'documentation', {
+          if (window.gtag) {
+            window.gtag ('event', 'documentation', {
               'event_category' : urlHandler.getState('wsid'),
               'event_label' : urlHandler.getFileInfo().name
                             + ': '

plugins/cpp_reparse/webgui/js/cppReparseFileAST.js

@@ -61,8 +61,8 @@ function (on, topic, declare, Color, Deferred, dom, ContentPane, Tooltip,
         }
       );
 
-      if (gtag) {
-        gtag ('event', 'cpp_reparse_file', {
+      if (window.gtag) {
+        window.gtag ('event', 'cpp_reparse_file', {
           'event_category' : urlHandler.getState('wsid'),
           'event_label' : urlHandler.getFileInfo().name
         });
@@ -80,8 +80,8 @@ function (on, topic, declare, Color, Deferred, dom, ContentPane, Tooltip,
         }
       );
 
-      if (gtag) {
-        gtag ('event', 'cpp_reparse_node', {
+      if (window.gtag) {
+        window.gtag ('event', 'cpp_reparse_node', {
           'event_category' : urlHandler.getState('wsid'),
           'event_label' : urlHandler.getFileInfo().name
               + ': '

plugins/git/webgui/js/gitBlame.js

@@ -137,8 +137,8 @@ function (on, topic, declare, Color, dom, Tooltip, Text, model, viewHandler,
         blameForLines.push(blameForLine);
     });
 
-    if (gtag) {
-      gtag ('event', 'git_blame', {
+    if (window.gtag) {
+      window.gtag ('event', 'git_blame', {
         'event_category' : urlHandler.getState('wsid'),
         'event_label' : urlHandler.getFileInfo().name
       });

plugins/metrics/webgui/js/metrics.js

@@ -536,8 +536,8 @@ function (declare, dom, topic, style, MenuItem, Button, CheckBox, Select,
       });
       });
 
-      if (gtag) {
-        gtag ('event', 'metrics', {
+      if (window.gtag) {
+        window.gtag ('event', 'metrics', {
           'event_category' : urlHandler.getState('wsid'),
           'event_label' : urlHandler.getFileInfo().name
         });

plugins/search/webgui/js/searchResult.js

@@ -259,9 +259,9 @@ function (ObjectStoreModel, BorderContainer, declare, Memory, Observable, topic,
       params.range = range;
       params.filter = filter;
 
-      if (gtag) {
+      if (window.gtag) {
         var type = this._searchTypes.find(t => t.id === data.searchType);
-        gtag('event', 'search: ' + type.name, {
+        window.gtag('event', 'search: ' + type.name, {
           'event_category': urlHandler.getState('wsid'),
           'event_label': params.query
         });

webgui/scripts/codecompass/view/codeBites.js

@@ -130,8 +130,8 @@ function (declare, array, dom, style, topic, on, ContentPane, ResizeHandle,
         }]]
       });
 
-    if (gtag) {
-      gtag ('event', 'code_bites', {
+    if (window.gtag) {
+      window.gtag ('event', 'code_bites', {
         'event_category' : urlHandler.getState('wsid'),
         'event_label' : urlHandler.getFileInfo().name
                       + ': '

webgui/scripts/codecompass/view/component/Text.js

@@ -343,8 +343,8 @@ function (declare, domClass, dom, style, query, topic, ContentPane, Dialog,
 
       this._getSyntaxHighlight(this._fileInfo);
 
-      if (gtag) {
-        gtag('event', 'page_view', {
+      if (window.gtag) {
+        window.gtag('event', 'page_view', {
           page_location: window.location.href,
           page_path: window.location.pathname + window.location.hash,
           page_title: urlFileInfo.path
@@ -485,8 +485,8 @@ function (declare, domClass, dom, style, query, topic, ContentPane, Dialog,
         astHelper.jumpToDef(astNodeInfo.id, service);
       }
 
-      if (gtag) {
-        gtag('event', 'click_on_word', {
+      if (window.gtag) {
+        window.gtag('event', 'click_on_word', {
           'event_category' : urlHandler.getState('wsid'),
           'event_label' : urlHandler.getFileInfo().name
                         + ': '

webgui/scripts/codecompass/view/diagram.js

@@ -71,8 +71,8 @@ function (declare, attr, dom, query, topic, BorderContainer, ContentPane,
       this._handlerId = handlerId;
       this._diagramType = diagramType;
 
-      if (gtag) {
-        gtag ('event', 'load_diagram: ' + diagramType.toString(), {
+      if (window.gtag) {
+        window.gtag ('event', 'load_diagram: ' + diagramType.toString(), {
           'event_category' : urlHandler.getState('wsid'),
           'event_label' : urlHandler.getFileInfo().name
         });

webgui/scripts/ga.js

@@ -1,20 +1,26 @@
-var gtag = null;
+window.gtag = null;
 $(document).ready(function() {
     $.ajax({
         url: 'ga.txt',
         dataType: 'text',
         success: function (gaId) {
-            console.log('Google Analytics enabled: ' + gaId);
-            $.getScript('https://www.googletagmanager.com/gtag/js?id=' + gaId);
+            $.getScript('https://www.googletagmanager.com/gtag/js?id=' + gaId)
+            .done(function (script, textStatus){
+                console.log('Google Analytics enabled: ' + gaId);
+                
+                window.dataLayer = window.dataLayer || [];
 
-            window.dataLayer = window.dataLayer || [];
+                window.gtag = function() {
+                    dataLayer.push(arguments);
+                }
 
-            gtag = function() {
-                dataLayer.push(arguments);
-            }
-
-            gtag('js', new Date());
-            gtag('config', gaId);
+                window.gtag('js', new Date());
+                window.gtag('config', gaId);
+            })
+            .fail(function (jqxhr, settings, exception) {
+                console.log('Failed to connect to Google Tag Manager. Google ' +
+                    'Analytics will not be enabled.');
+            });
         },
         statusCode: {
             404: function () {