update graph 3djs file to have a sticky graph in dashboard

diff --git a/src/emuvim/dashboard/js/graph.js b/src/emuvim/dashboard/js/graph.js
index b158bf0..bbf2fff 100755 (executable)
--- a/src/emuvim/dashboard/js/graph.js
+++ b/src/emuvim/dashboard/js/graph.js
@@ -1,3 +1,30 @@
+// action to take on double mouse click, call rest api to start xterm
+  function dblclick() {
+      var vnf_name = d3.select(this).text()
+      console.debug(vnf_name)
+      var rest_url = "http://127.0.0.1:5001/restapi/monitor/term?vnf_list=" + vnf_name
+
+      d3.json(rest_url, function(error, json) {
+        if (error) throw error;
+        console.debug(json)
+      });
+  }
+
+  //functions to make the nodes stick after they have been manually maoved
+  function tick() {
+    link.attr("x1", function(d) { return d.source.x; })
+      .attr("y1", function(d) { return d.source.y; })
+      .attr("x2", function(d) { return d.target.x; })
+      .attr("y2", function(d) { return d.target.y; });
+
+    node.attr("cx", function(d) { return d.x; })
+      .attr("cy", function(d) { return d.y; });
+  }
+
+  function dragstart(d) {
+     d3.select(this).classed("fixed", d.fixed = true);
+  }
+
 var width = 960,
     height = 500,
     color = d3.scale.category10();
@@ -10,7 +37,11 @@ var force = d3.layout.force()
     .gravity(0.05)
     .distance(100)
     .charge(-100)
-    .size([width, height]);
+    .size([width, height])
+    .on("tick", tick);
+
+var drag = force.drag()
+    .on("dragstart", dragstart);
 
 d3.json("http://127.0.0.1:5001/restapi/network/d3jsgraph", function(error, json) {
   if (error) throw error;
@@ -22,15 +53,15 @@ d3.json("http://127.0.0.1:5001/restapi/network/d3jsgraph", function(error, json)
 
   var link = svg.selectAll(".link")
       .data(json.links)
-    .enter().append("line")
+      .enter().append("line")
       .attr("class", "link");
 
   var node = svg.selectAll(".node")
       .data(json.nodes)
       .enter().append("g")
       .attr("class", "node")
-      .call(force.drag)
       .on("dblclick", dblclick)
+      .call(drag);
 
   node.append("circle")
     .attr("r", 10)
@@ -50,17 +81,7 @@ d3.json("http://127.0.0.1:5001/restapi/network/d3jsgraph", function(error, json)
     node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
   });
 
-  // action to take on double mouse click, call rest api to start xterm
-  function dblclick() {
-      var vnf_name = d3.select(this).text()
-      console.debug(vnf_name)
-      var rest_url = "http://127.0.0.1:5001/restapi/monitor/term?vnf_list=" + vnf_name
-
-      d3.json(rest_url, function(error, json) {
-        if (error) throw error;
-        console.debug(json)
-      });
-  }
+  
 
 
-});
\ No newline at end of file
+});