X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling.ui%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Fui%2FdiagramEditor%2FOpenDiagramFromConfigurationAdapter.java;h=c446d1c3c057f15409192b182d3dba45d6c6c668;hb=b45e9e5c1696a2e729dcecac0f58d16c15391770;hp=8c052561e2340ed051d5989836742d0684083e0f;hpb=236aa4e765e0acd6e31cbc42dd9df9c2c23677e2;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/OpenDiagramFromConfigurationAdapter.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/OpenDiagramFromConfigurationAdapter.java
index 8c052561e..c446d1c3c 100644
--- a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/OpenDiagramFromConfigurationAdapter.java
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/diagramEditor/OpenDiagramFromConfigurationAdapter.java
@@ -13,6 +13,8 @@ package org.simantics.modeling.ui.diagramEditor;
 
 import java.util.Collection;
 import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
 
 import org.eclipse.ui.PlatformUI;
 import org.simantics.Simantics;
@@ -30,6 +32,7 @@ import org.simantics.g2d.canvas.ICanvasContext;
 import org.simantics.g2d.diagram.DiagramHints;
 import org.simantics.layer0.Layer0;
 import org.simantics.modeling.ComponentUtils;
+import org.simantics.modeling.ModelingResources;
 import org.simantics.modeling.actions.NavigateToTarget;
 import org.simantics.modeling.ui.Activator;
 import org.simantics.structural.stubs.StructuralResource2;
@@ -48,8 +51,13 @@ public class OpenDiagramFromConfigurationAdapter extends AbstractResourceEditorA
         super(Messages.OpenDiagramFromConfigurationAdapter_DiagramEditor, Activator.COMPOSITE_ICON);
     }
 
-    protected String getEditorId() {
-        return EDITOR_ID;
+    protected String getEditorId(ReadGraph g, Resource composite) throws DatabaseException {
+        ModelingResources MOD = ModelingResources.getInstance(g);
+        String preferredEditorId = g.getPossibleRelatedValue(composite, MOD.PreferredDiagramEditorID);
+        if(preferredEditorId != null)
+            return preferredEditorId;
+        else
+            return EDITOR_ID;
     }
 
     @Override
@@ -78,7 +86,7 @@ public class OpenDiagramFromConfigurationAdapter extends AbstractResourceEditorA
         Simantics.getSession().asyncRequest(new ReadRequest() {
             @Override
             public void run(ReadGraph g) throws DatabaseException {
-                openEditor(g, r, getEditorId());
+                openEditor(g, r, getEditorId(g, r));
             }
         });
     }
@@ -103,16 +111,21 @@ public class OpenDiagramFromConfigurationAdapter extends AbstractResourceEditorA
         Resource diagram = ComponentUtils.getPossibleCompositeDiagram(graph, r);
         if(diagram != null) return diagram;
         
-        if(selectedObjects.size() == 1) {
-        	Object o = selectedObjects.iterator().next();
-        	if(o instanceof Resource) {
-        		Resource res = (Resource)o;
-        		if(graph.isInstanceOf(res, DIA.Element)) {
-        			return graph.getPossibleObject(res, L0.PartOf);
-        		}
-        	}
+        // TODO: what if the selected objects are from different diagrams?
+        if (selectedObjects.size() > 0) {
+            Set<Resource> diagrams = new HashSet<>();
+            for (Object o : selectedObjects) {
+                if (o instanceof Resource) {
+                    Resource res = (Resource)o;
+                    if (graph.isInstanceOf(res, DIA.Element)) {
+                        diagrams.add(graph.getPossibleObject(res, L0.PartOf));
+                    }
+                }
+            }
+            if (diagrams.size() == 1) {
+                return diagrams.iterator().next();
+            }
         }
-        
         return null;
 
     }