some web interface fixes

html/admin/js/templates/documentsView.ejs

@@ -4,7 +4,7 @@
 
     <div id="documentsUploadDiv" class="btn btn-primary btn-success btn-block">
       <img id="uploadIndicator" style="display: none;" src="/_admin/html/img/ajax-loader.gif"/>
-      <input id="documentsUpload" name="docImport" id="docImport" type="file">Import
+        <input id="documentsUploadFile" name="documentsUploadFile" type="file" accept="application/json" />Import
     </div>
 
 		<ul>

html/admin/js/views/collectionInfoView.js

@@ -3,14 +3,8 @@
 
 var collectionInfoView = Backbone.View.extend({
   el: '#modalPlaceholder',
-  figures: {
-    "alive"      : 0,
-    "dead"       : 0,
-    "datafiles"  : 0,
-    "journals"   : 0,
-    "shapes"     : 0,
-    "attributes" : 0
-  },
+  chart: null,
+
   initialize: function () {
   },
 
@@ -73,29 +67,37 @@ var collectionInfoView = Backbone.View.extend({
   },
   renderFigures: function () {
     var self = this;
-    nv.addGraph(function() {
-      var chart = nv.models.pieChart()
-      .x(function(d) { return d.label; })
-      .y(function(d) { return d.value; })
-      .showLabels(true);
 
-      d3.select(".modal-body-right svg")
-      .datum(self.convertFigures())
-      .transition().duration(1200)
-      .call(chart);
+    // prevent some d3-internal races with a timeout
+    window.setTimeout(function () {
+      var chart = nv.models.pieChart()
+                  .x(function(d) { return d.label; })
+                  .y(function(d) { return d.value; })
+                  .showLabels(true);
+    
+      nv.addGraph(function() {
+        d3.select(".modal-body-right svg")
+        .datum(self.convertFigures())
+        .transition().duration(1200)
+        .call(chart);
+      
+        return chart;
+      });
 
       return chart;
-    });
+    }, 500);
   },
   convertFigures: function () {
     var self = this;
     var collValues = [];
-    $.each(self.data.figures, function(k,v) {
-      collValues.push({
-        "label" : k,
-        "value" : v.count
-      });
-    });
+    if (self.data && self.data.figures) {
+      $.each(self.data.figures, function(k,v) {
+          collValues.push({
+            "label" : k,
+            "value" : v.count
+            });
+          });
+    }
 
     return [{
       key: "Collections Status",

html/admin/js/views/documentsView.js

@@ -61,18 +61,20 @@ var documentsView = Backbone.View.extend({
 
   uploadSetup: function () {
     var self = this;
-    var file;
-    var filetype;
 
-    $('#documentsUpload').bind("change", function(e) {
-      self.showSpinner();
+    $('#documentsUploadFile').change(function(e) {
+      var file;
+      var filetype;
+
       var files = e.target.files || e.dataTransfer.files;
-
       file = files[0];
+
       if (file.type !== 'application/json') {
-        arangoHelper.arangoNotification("Not supported filetype: "+file.type);
+        arangoHelper.arangoNotification("Unsupported filetype: " + file.type);
         return;
       }
+      
+      self.showSpinner();
 
       $.ajax({
         type: "POST",