Refactored approach for inserting visualization links on menu pages. Still hoping to remove JavaScript altogether based on outcome of NIHVIVO-1681

productMods/js/menupage/visualizationLink.js

@@ -0,0 +1,48 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+// NC: I've discussed this with Chintan and my hope is to have the temporal graph vis
+// load the top level org by default (when the uri parameter is not included), therefore
+// rendering this entire file unnecessary and obsolete.
+var visualizationLink = {
+    // Initial page setup
+    onLoad: function() {
+        this.mergeFromTemplate();
+        this.initObjects();
+    },
+    
+    // Add variables from menupage template
+    mergeFromTemplate: function() {
+        $.extend(this, menupageData);
+    },
+    
+    // Create references to frequently used elements for convenience
+    initObjects: function() {
+        this.visLink = $('.visualization-menupage-link');
+    },
+    
+    // Temporarily hide the link while we determine the href value via AJAX
+    hideLink: function() {
+        this.visLink.addClass('hidden');
+    },
+    
+    // Determine the URL parameters for temporal graph of top level org
+    getURL: function() {
+        $.ajax({
+            url: this.baseUrl + "/visualizationAjax",
+            data: ({vis: "utilities", vis_mode: "HIGHEST_LEVEL_ORGANIZATION"}),
+            dataType: "text",
+            success:function(data){
+                if (data != null && data != "") {
+                        visualizationLink.visLink.attr("href", data);
+                        visualizationLink.visLink.removeClass('hidden');
+                    }
+            }
+        });
+    }
+};
+
+$(document).ready(function() {
+    visualizationLink.onLoad();
+    visualizationLink.hideLink();
+    visualizationLink.getURL();
+});