- When hovering over a node that does not have a title, the title of one of the connected edges that HAS a title is no longer shown.

HISTORY.md

@@ -18,6 +18,7 @@ http://visjs.org
 - Changed group behaviour, groups now extend the options, not replace. This allows partial defines of color.
 - Fixed bug where box shaped nodes did not use hover color.
 - Fixed Locales docs.
+- When hovering over a node that does not have a title, the title of one of the connected edges that HAS a title is no longer shown.
 
 ### Graph2d
 

examples/network/03_images.html

@@ -34,10 +34,10 @@
       // Create a data table with links.
       edges = [];
 
-      nodes.push({id: 1, label: 'Main', image: DIR + 'Network-Pipe-icon.png', shape: 'image'});
+      nodes.push({id: 1, label: 'Main',  image: DIR + 'Network-Pipe-icon.png', shape: 'image'});
       nodes.push({id: 2, label: 'Office', image: DIR + 'Network-Pipe-icon.png', shape: 'image'});
       nodes.push({id: 3, label: 'Wireless', image: DIR + 'Network-Pipe-icon.png', shape: 'image'});
-      edges.push({from: 1, to: 2, length: LENGTH_MAIN});
+      edges.push({from: 1, to: 2, title:'world', length: LENGTH_MAIN});
       edges.push({from: 1, to: 3, length: LENGTH_MAIN});
 
       for (var i = 4; i <= 7; i++) {

lib/network/Network.js

@@ -1301,6 +1301,7 @@ Network.prototype._checkShowPopup = function (pointer) {
 
   var id;
   var lastPopupNode = this.popupObj;
+  var nodeUnderCursor = false;
 
   if (this.popupObj == undefined) {
     // search the nodes for overlap, select the top one in case of multiple nodes
@@ -1308,15 +1309,19 @@ Network.prototype._checkShowPopup = function (pointer) {
     for (id in nodes) {
       if (nodes.hasOwnProperty(id)) {
         var node = nodes[id];
-        if (node.getTitle() !== undefined && node.isOverlappingWith(obj)) {
-          this.popupObj = node;
-          break;
+        if (node.isOverlappingWith(obj)) {
+          if (node.getTitle() !== undefined) {
+            this.popupObj = node;
+            break;
+          }
+          // if you hover over a node, the title of the edge is not supposed to be shown.
+          nodeUnderCursor = true;
         }
       }
     }
   }
 
-  if (this.popupObj === undefined) {
+  if (this.popupObj === undefined && nodeUnderCursor == false) {
     // search the edges for overlap
     var edges = this.edges;
     for (id in edges) {