X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.graph.impl%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fgraph%2Fimpl%2FGetEnumeration.java;fp=bundles%2Forg.simantics.browsing.ui.graph.impl%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fgraph%2Fimpl%2FGetEnumeration.java;h=77104d22f168ebbc350b2f0ae3789c9a866d9c30;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/GetEnumeration.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/GetEnumeration.java
new file mode 100644
index 000000000..77104d22f
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+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/GetEnumeration.java
@@ -0,0 +1,86 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.graph.impl;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+
+import org.simantics.browsing.ui.common.modifiers.EnumeratedValue;
+import org.simantics.browsing.ui.common.modifiers.Enumeration;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceRead;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.AdaptionException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class GetEnumeration extends ResourceRead<Enumeration<Resource>> {
+
+    public GetEnumeration(Resource resource) {
+        super(resource);
+    }
+
+    @Override
+    public Enumeration<Resource> perform(ReadGraph graph) throws DatabaseException {
+        return enumerate(graph, resource);
+    }
+
+    public static Enumeration<Resource> enumerate(ReadGraph graph, Resource resource) throws DatabaseException {
+        Layer0 l0 = Layer0.getInstance(graph);
+        Set<Resource> types = graph.getTypes(resource);
+
+        // FIXME: this is a hack to make boolean values editable through a combo-box like other enumerations
+        if (types.contains(l0.Boolean) || types.contains(l0.BooleanArray)) {
+            List<EnumeratedValue<Resource>> values = new ArrayList<EnumeratedValue<Resource>>(2);
+            values.add(new EnumeratedValue<Resource>(Boolean.FALSE.toString(), l0.False));
+            values.add(new EnumeratedValue<Resource>(Boolean.TRUE.toString(), l0.True));
+            return new Enumeration<Resource>(values);
+        } else {
+            for (Resource type : types) {
+                if (graph.hasStatement(type, l0.Enumeration, type)) {
+                    Collection<Resource> values = graph.getObjects(type, l0.ConsistsOf);
+                    List<EnumeratedValue<Resource>> result = new ArrayList<EnumeratedValue<Resource>>(values.size());
+                    for (Resource value : values) {
+                        result.add(new EnumeratedValue<Resource>(safeName(graph, value), value));
+                    }
+                    return new Enumeration<Resource>(result);
+                }
+            }
+        }
+        return null;
+    }
+
+    private static String safeName(ReadGraph graph, Resource value) throws DatabaseException {
+        return graph.syncRequest(new NameRequest(value)); 
+    }
+
+    public static class NameRequest extends ResourceRead<String> {
+        public NameRequest(Resource resource) {
+            super(resource);
+        }
+        @Override
+        public String perform(ReadGraph graph) throws DatabaseException {
+            try {
+                return graph.adapt(resource, String.class);
+            } catch (AdaptionException e) {
+                return NameUtils.getSafeName(graph, resource);
+            }
+        }
+    }
+
+}