X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.proconf.processeditor%2Fsrc%2Forg%2Fsimantics%2Fprocesseditor%2Fmonitors%2FPathContainer.java;h=f41b4b1f498c81bb5562f7ca6cd410e6c5d3372e;hb=b3c3be84d629d56b355fc6bb8cee8ae16990d783;hp=b0205f521aa800d115c38fe7ac2b88c2f9b0b3fc;hpb=b553dad9a38b0fa9a91926f3a4ff89b9cb8efa91;p=simantics%2F3d.git

diff --git a/org.simantics.proconf.processeditor/src/org/simantics/processeditor/monitors/PathContainer.java b/org.simantics.proconf.processeditor/src/org/simantics/processeditor/monitors/PathContainer.java
index b0205f52..f41b4b1f 100644
--- a/org.simantics.proconf.processeditor/src/org/simantics/processeditor/monitors/PathContainer.java
+++ b/org.simantics.proconf.processeditor/src/org/simantics/processeditor/monitors/PathContainer.java
@@ -23,6 +23,7 @@ import org.simantics.utils.datastructures.MapList;
  * FIXME : singleton
  * TODO : removing paths
  * TODO : prevent adding same path multiple times
+ * TODO : how to handle multi-instances?
  * 
  * 
  * @author Marko Luukkainen
@@ -33,17 +34,29 @@ public class PathContainer {
 	private static PathContainer instance = new PathContainer();
 	
 	MapList<Resource, List<Resource>> paths;
+	//List<Pair<List<Resource>,List<Resource>>> multiInstancePaths;
 	
 	private PathContainer() {
 		paths = new MapList<Resource, List<Resource>>();
+		//multiInstancePaths = new ArrayList<Pair<List<Resource>,List<Resource>>>();
 	}
 	
 	public List<List<Resource>> getPaths(IEntity instance) {
 		Collection<IEntity> types = instance.getTypes();
-		if (types.size() != 1)
-			throw new UnsupportedOperationException("Multi-instances not supported!");
-		Resource type = types.iterator().next().getResource();
-		return paths.getValues(type);
+		if (types.size() != 1) {
+			// for multi-instances we check if any of the types have paths
+			// no we return paths for a single type (it is possible to combine paths for all types)
+			for (IEntity type : types) {
+				Resource r = type.getResource();
+				List<List<Resource>> path = paths.getValues(r);
+				if (path != null)
+					return path;
+			}
+			return null;
+		} else {
+			Resource type = types.iterator().next().getResource();
+			return paths.getValues(type);
+		}
 	}
 	
 	public void addPath(Resource type, List<Resource> path) {