fetch siblings & center topic keyboard shortcuts - fixes #466

app/assets/javascripts/src/Metamaps.Backbone.js

@@ -699,13 +699,17 @@ Metamaps.Backbone.init = function () {
   // attach collection event listeners
   self.attachCollectionEvents = function () {
     Metamaps.Topics.on('add remove', function (topic) {
+      if (Metamaps.Active.Map) {
         Metamaps.Map.InfoBox.updateNumbers()
+      }
       Metamaps.Filter.checkMetacodes()
       Metamaps.Filter.checkMappers()
     })
 
     Metamaps.Synapses.on('add remove', function (synapse) {
+      if (Metamaps.Active.Map) {
         Metamaps.Map.InfoBox.updateNumbers()
+      }
       Metamaps.Filter.checkSynapses()
       Metamaps.Filter.checkMappers()
     })

app/assets/javascripts/src/Metamaps.Listeners.js

@@ -11,6 +11,7 @@
  */
 Metamaps.Listeners = {
   init: function () {
+    var self = this
     $(document).on('keydown', function (e) {
       if (!(Metamaps.Active.Map || Metamaps.Active.Topic)) return
 
@@ -35,6 +36,12 @@ Metamaps.Listeners = {
             Metamaps.Visualize.mGraph.plot()
           }
 
+          break
+        case 68: // if d or D is pressed
+          if (e.ctrlKey) {
+            e.preventDefault()
+            Metamaps.Control.deleteSelected()
+          }
           break
         case 69: // if e or E is pressed
           if (e.ctrlKey) {
@@ -44,19 +51,6 @@ Metamaps.Listeners = {
             }
           }
           break
-        case 77: // if m or M is pressed
-          if (e.ctrlKey) {
-            e.preventDefault()
-            Metamaps.Control.removeSelectedNodes()
-            Metamaps.Control.removeSelectedEdges()
-          }
-          break
-        case 68: // if d or D is pressed
-          if (e.ctrlKey) {
-            e.preventDefault()
-            Metamaps.Control.deleteSelected()
-          }
-          break
         case 72: // if h or H is pressed
           if (e.ctrlKey) {
             e.preventDefault()
@@ -64,8 +58,40 @@ Metamaps.Listeners = {
             Metamaps.Control.hideSelectedEdges()
           }
           break
+        case 77: // if m or M is pressed
+          if (e.ctrlKey) {
+            e.preventDefault()
+            Metamaps.Control.removeSelectedNodes()
+            Metamaps.Control.removeSelectedEdges()
+          }
+          break
+        case 84: // if t or T is pressed
+          if (e.ctrlKey && Metamaps.Active.Topic) {
+            self.centerAndReveal(Metamaps.Selected.Nodes, {
+              center: false,
+              reveal: true
+            })
+          }
+          break
+        case 85: // if u or U is pressed
+          if (e.ctrlKey && Metamaps.Active.Topic) {
+            self.centerAndReveal(Metamaps.Selected.Nodes, {
+              center: true,
+              reveal: false
+            })
+          }
+          break
+        case 89: // if y or Y is pressed
+          if (e.ctrlKey && Metamaps.Active.Topic) {
+            self.centerAndReveal(Metamaps.Selected.Nodes, {
+              center: true,
+              reveal: true
+            })
+          }
+          break
         default:
-          break; // alert(e.which)
+          // console.log(e.which)
+          break
       }
     })
 
@@ -74,5 +100,15 @@ Metamaps.Listeners = {
       if ((Metamaps.Active.Map || Metamaps.Active.Topic) && Metamaps.Famous && Metamaps.Famous.maps.surf) Metamaps.Famous.maps.reposition()
       if (Metamaps.Active.Map && Metamaps.Realtime.inConversation) Metamaps.Realtime.positionVideos()
     })
+  },
+  centerAndReveal: function(nodes, opts) {
+    if (nodes.length < 1) return
+    var node = nodes[nodes.length - 1]
+    if (opts.center) {
+      Metamaps.Topic.centerOn(node.id)
+    }
+    if (opts.reveal) {
+      Metamaps.Topic.fetchRelatives(node)
+    }
   }
 }; // end Metamaps.Listeners