fixed formatting bugs

src/dashboard/lib/data/cluster.dart

+import 'dart:math';
+
 import 'package:dashboard/data/post.dart';
-import 'package:logger/logger.dart';
+import 'package:intl/intl.dart';
 
 class Cluster {
   final String label;
   final int id;
   final String layerName;
 
+  static final NumberFormat format = NumberFormat("##.00");
+
   List<Post> nodes;
 
   Cluster(this.label, this.id, this.layerName, this.nodes);
@@ -19,11 +23,11 @@ class Cluster {
         break;
       case "Percentage_Layer":
         String trust = label.substring(0, label.indexOf(" "));
-        if (trust == "1.0")
-          trust = "100";
-        else
-          trust = trust.substring(2);
-        return "$trust% Trust";
+        trust = trust.substring(0, min(6, trust.length));
+
+        double val = double.parse(trust) * 100;
+
+        return "${format.format(val)}% Trust";
         break;
       case "Engagement_Layer":
         return "${label.substring(0, label.indexOf("."))} comments";

src/dashboard/lib/ui/graphs/community_meta/cluster_graph.dart

-import 'dart:math';
-
 import 'package:circlegraph/bubble/bubblegraph.dart';
 import 'package:circlegraph/circlegraph.dart';
 import 'package:dashboard/data/cluster.dart';
-import 'package:dashboard/data/community.dart';
-import 'package:dashboard/graphing/trustcolorcalculator.dart';
-import 'package:dashboard/loading.dart';
-import 'package:dashboard/querying/clustergetter.dart';
-import 'package:dashboard/querying/communitygetter.dart';
-import 'package:dashboard/ui/graphs/community/community_graph_view_page.dart';
 import 'package:dashboard/ui/graphs/community/list/cluster_list.dart';
 import 'package:dashboard/ui/theme/color_holder.dart';
-import 'package:dashboard/ui/util/logged_in_appbar.dart';
 import 'package:flutter/material.dart';
-import 'package:enhanced_future_builder/enhanced_future_builder.dart';
 
 class ClusterGraph extends StatefulWidget {
   final List<Cluster> clusters;
@@ -25,13 +15,62 @@ class ClusterGraph extends StatefulWidget {
 class _ClusterGraphState extends State<ClusterGraph> {
   final List<Cluster> clusters;
   int postNodeCount = 10; // Nr of postNodes displayed
+  int page = 0;
+  int nodesPerPage = 50;
   _ClusterGraphState(this.clusters);
 
+  void _previous() {
+    setState(() {
+      page--;
+    });
+  }
+
+  void _next() {
+    setState(() {
+      page++;
+    });
+  }
+
   Widget build(BuildContext context) {
-    return SingleChildScrollView(
+    return Column(
+      children: [
+        Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            if (page > 0)
+              IconButton(
+                onPressed: _previous,
+                icon: Icon(Icons.chevron_left),
+                color: ColorHolder.color2,
+                iconSize: 30,
+              ),
+            SizedBox(width: 16),
+            Text(
+              "Page ${page + 1}",
+              style: TextStyle(
+                fontSize: 20,
+                color: ColorHolder.color2,
+              ),
+            ),
+            SizedBox(width: 16),
+            IconButton(
+              onPressed: _next,
+              icon: Icon(Icons.chevron_right),
+              color: ColorHolder.color2,
+              iconSize: 30,
+            ),
+          ],
+        ),
+        Expanded(
+          child: SingleChildScrollView(
             scrollDirection: Axis.vertical,
             child: BubbleGraph(
               clusters
+                  .where(
+                    (element) =>
+                        clusters.indexOf(element) >= page * nodesPerPage &&
+                        clusters.indexOf(element) < (page + 1) * nodesPerPage,
+                  )
                   .map(
                     (Cluster cluster) => CircleGraph(
                       root: TreeNodeData(
@@ -80,15 +119,9 @@ class _ClusterGraphState extends State<ClusterGraph> {
                   )
                   .toList(),
             ),
+          ),
+        ),
+      ],
     );
-
-    // return SingleChildScrollView(
-    //   child: Wrap(
-    //     children: [
-    //       for (Community community in communities)
-    //         getCommunityNodeWidget(community)
-    //     ],
-    //   ),
-    // );
   }
 }