router: save view in state

lib/gui.js

@@ -40,7 +40,12 @@ function (chroma, Map, Sidebar, Tabs, Container, Meshstats, Linklist,
 
       dataTargets.push(content)
       router.addTarget(content)
-      router.reload()
+    }
+
+    function mkView(K) {
+      return function () {
+        addContent(K)
+      }
     }
 
     contentDiv = document.createElement("div")
@@ -56,11 +61,11 @@ function (chroma, Map, Sidebar, Tabs, Container, Meshstats, Linklist,
       if (content.constructor === Map) {
         buttonToggle.classList.remove("next-graph")
         buttonToggle.classList.add("next-map")
-        addContent(ForceGraph)
+        router.view("g")
       } else {
         buttonToggle.classList.remove("next-map")
         buttonToggle.classList.add("next-graph")
-        addContent(Map)
+        router.view("m")
       }
     }
     contentDiv.appendChild(buttonToggle)
@@ -98,7 +103,10 @@ function (chroma, Map, Sidebar, Tabs, Container, Meshstats, Linklist,
     router.addTarget(title)
     router.addTarget(infobox)
 
-    addContent(Map)
+    router.addView("m", mkView(Map))
+    router.addView("g", mkView(ForceGraph))
+
+    router.view("m")
 
     self.setData = function (data) {
       latestData = data