Fix #1373

modules/LayoutAPI/src/main/java/org/gephi/layout/LayoutModelImpl.java

@@ -55,6 +55,7 @@ import javax.xml.stream.XMLStreamReader;
 import javax.xml.stream.XMLStreamWriter;
 import javax.xml.stream.events.XMLEvent;
 import org.gephi.graph.api.GraphController;
+import org.gephi.graph.api.GraphModel;
 import org.gephi.layout.api.LayoutModel;
 import org.gephi.layout.spi.Layout;
 import org.gephi.layout.spi.LayoutBuilder;
@@ -79,7 +80,7 @@ public class LayoutModelImpl implements LayoutModel {
     private final Map<LayoutPropertyKey, Object> savedProperties;
     private Layout selectedLayout;
     private LayoutBuilder selectedBuilder;
-    private Workspace workspace;
+    private final Workspace workspace;
     //Util
     private final LongTaskExecutor executor;
 
@@ -116,6 +117,9 @@ public class LayoutModelImpl implements LayoutModel {
     @Override
     public Layout getLayout(LayoutBuilder layoutBuilder) {
         Layout layout = layoutBuilder.buildLayout();
+        GraphController graphController = Lookup.getDefault().lookup(GraphController.class);
+        GraphModel graphModel = graphController.getGraphModel(workspace);
+        layout.setGraphModel(graphModel);
         selectedBuilder = layoutBuilder;
         layout.resetPropertiesValues();
         return layout;

modules/LayoutAPI/src/main/nbm/manifest.mf

 Manifest-Version: 1.0
 AutoUpdate-Essential-Module: true
 OpenIDE-Module-Localizing-Bundle: org/gephi/layout/api/Bundle.properties
-OpenIDE-Module-Specification-Version: ${gephi.modules.specification.version}
+OpenIDE-Module-Specification-Version: 0.9.1.1
 OpenIDE-Module-Display-Category: Gephi Core
 OpenIDE-Module-Name: Layout API