From 09fe386211698bda0118e67730e29781915e078b Mon Sep 17 00:00:00 2001
From: Mathieu Bastian <mathieu.bastian@gmail.com>
Date: Wed, 9 Dec 2015 13:46:32 +0100
Subject: [PATCH] Exclude default null type from partition if number of
 elements is zero

---
 .../org/gephi/appearance/EdgeTypePartitionImpl.java | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/modules/AppearanceAPI/src/main/java/org/gephi/appearance/EdgeTypePartitionImpl.java b/modules/AppearanceAPI/src/main/java/org/gephi/appearance/EdgeTypePartitionImpl.java
index e3f9e986a..28395aea7 100644
--- a/modules/AppearanceAPI/src/main/java/org/gephi/appearance/EdgeTypePartitionImpl.java
+++ b/modules/AppearanceAPI/src/main/java/org/gephi/appearance/EdgeTypePartitionImpl.java
@@ -41,6 +41,7 @@
  */
 package org.gephi.appearance;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import org.gephi.graph.api.Column;
@@ -66,7 +67,14 @@ public class EdgeTypePartitionImpl extends PartitionImpl {
 
     @Override
     public Collection getValues() {
-        return Arrays.asList(model.getEdgeTypeLabels());
+        Object[] labels = model.getEdgeTypeLabels();
+        ArrayList<Object> col = new ArrayList<Object>(labels.length);
+        for (Object l : labels) {
+            if (!(l == null && graph.getEdgeCount(0) == 0)) {
+                col.add(l);
+            }
+        }
+        return col;
     }
 
     @Override
@@ -92,7 +100,8 @@ public class EdgeTypePartitionImpl extends PartitionImpl {
 
     @Override
     public int size() {
-        return model.getEdgeTypeCount();
+        int size = model.getEdgeTypeCount();
+        return graph.getEdgeCount(0) == 0 ? size - 1 : size;
     }
 
     @Override
-- 
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