bug fix vnfd composer; minor ui fix

Change-Id: I3f7cbc4949ddf9265bd1b1eb19aa3d51aefb8c42
Signed-off-by: lombardofr <lombardo@everyup.it>
diff --git a/static/TopologyComposer/css/composer.css b/static/TopologyComposer/css/composer.css
index 12be9e7..119d2ea 100644
--- a/static/TopologyComposer/css/composer.css
+++ b/static/TopologyComposer/css/composer.css
@@ -1,3 +1,8 @@
+line {
+  stroke: rgb(212, 212, 212);
+  stroke-width: 1px;
+  shape-rendering: crispEdges;
+}
 
 .node_path {
     opacity: 1;
@@ -148,6 +153,7 @@
     -moz-user-select: none;
     -ms-user-select: none;
     user-select: none;
+    background-color: whitesmoke;
 }
 
 #palette > .node:first-child {
diff --git a/static/TopologyComposer/js/graph_editor.js b/static/TopologyComposer/js/graph_editor.js
index d8abcc8..2d9218b 100755
--- a/static/TopologyComposer/js/graph_editor.js
+++ b/static/TopologyComposer/js/graph_editor.js
@@ -137,11 +137,11 @@
                 //d3.event.preventDefault();
                 if (self.lastKeyDown !== -1) return;
                 self.lastKeyDown = d3.event.keyCode;
-                if (self.lastKeyDown === CANC_BUTTON && self._selected_node !== undefined) {
-                    self.removeNode(self._selected_node, null, showAlert);
-                } else if (self.lastKeyDown === CANC_BUTTON && self._selected_link !== undefined) {
-                    self.removeLink(self._selected_link, null, showAlert);
-                }
+                // if (self.lastKeyDown === CANC_BUTTON && self._selected_node !== undefined) {
+                //     self.removeNode(self._selected_node, null, showAlert);
+                // } else if (self.lastKeyDown === CANC_BUTTON && self._selected_link !== undefined) {
+                //     self.removeLink(self._selected_link, null, showAlert);
+                // }
 
             })
             .on('keyup', function () {