X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fui%2FdiagramEditor%2FDiagramViewer.java;h=409aecbea26dc04ef73d9851b5fa31f9eb0eb234;hb=0b4ab685b0aa54ba8fbe0a5742e27726c862cfd9;hp=a0f504030675d1b9129a6548550ef524b8f762fe;hpb=55d1e6f63df516019032ebf0c1e9c8c0495a619d;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/DiagramViewer.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/DiagramViewer.java
index a0f504030..409aecbea 100644
--- a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/DiagramViewer.java
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/DiagramViewer.java
@@ -236,6 +236,7 @@ public class DiagramViewer
     protected GridSnapAdvisor            snapAdvisor;
 
     private RuntimeDiagramManager        runtimeDiagramManager;
+    private Resource                     runtimeDiagramResourceCache;
     private HasDiagramSourceListener     hasDiagramSourceListener;
 
     /**
@@ -245,11 +246,18 @@ public class DiagramViewer
      */
     protected WorkbenchSelectionProvider selectionProvider;
 
-    public Resource getRuntime() {
+    protected Resource getRuntimeFromManager() {
         RuntimeDiagramManager rtdm = runtimeDiagramManager;
         return (rtdm == null) ? null : rtdm.getRuntimeDiagram();
     }
 
+    public Resource getRuntime() {
+        if (runtimeDiagramResourceCache != null)
+            return runtimeDiagramResourceCache;
+        runtimeDiagramResourceCache = getRuntimeFromManager();
+        return runtimeDiagramResourceCache;
+    }
+
     public ParametrizedRead<IResourceEditorInput, Boolean> getInputValidator() {
         return INPUT_VALIDATOR;
     }