Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / StringRepresentationLabelerFactory.java

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/StringRepresentationLabelerFactory.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/StringRepresentationLabelerFactory.java
new file mode 100644 (file)
index 0000000..64ee79f
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/StringRepresentationLabelerFactory.java
@@ -0,0 +1,81 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.browsing.ui.graph.impl;\r
+\r
+import java.util.Collections;\r
+import java.util.Map;\r
+\r
+import org.simantics.Simantics;\r
+import org.simantics.browsing.ui.BuiltinKeys;\r
+import org.simantics.browsing.ui.BuiltinKeys.LabelerKey;\r
+import org.simantics.browsing.ui.GraphExplorer.ModificationContext;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
+import org.simantics.browsing.ui.common.ColumnKeys;\r
+import org.simantics.browsing.ui.content.Labeler;\r
+import org.simantics.browsing.ui.content.LabelerFactory;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.management.ISessionContext;\r
+\r
+public class StringRepresentationLabelerFactory implements LabelerFactory {\r
+\r
+    String column = ColumnKeys.SINGLE;\r
+\r
+    //static int counter = 0;\r
+\r
+    public StringRepresentationLabelerFactory() {\r
+    }\r
+\r
+    public StringRepresentationLabelerFactory(String column) {\r
+        this.column = column;\r
+    }\r
+\r
+    @Override\r
+    public Labeler create(PrimitiveQueryUpdater updater, final NodeContext context, LabelerKey key) {\r
+        assert(updater != null);\r
+        assert(context != null);\r
+\r
+        return new LazyGraphLabeler(updater, context, key) {\r
+            @Override\r
+            public Map<String, String> labels(ReadGraph graph) throws DatabaseException {\r
+//              if((counter++ % 5000) == 0) System.out.println("L" + counter);\r
+                final Resource r = (Resource) context.getConstant(BuiltinKeys.INPUT);\r
+                String representation = LabelerUtil.safeStringRepresentation(graph, r);\r
+                return Collections.singletonMap(column, representation);\r
+            }\r
+            @Override\r
+            public Modifier getModifier(ModificationContext modificationContext, String key) {\r
+                ISessionContext session = Simantics.getSessionContext();\r
+                if (session == null)\r
+                    return null;\r
+\r
+                if (column.equals(key)) {\r
+                    return new GraphStringModifier(context, session.getSession()) {\r
+                        @Override\r
+                        public void doModify(WriteGraph graph, String label) throws DatabaseException {\r
+                            getModifier().modify(graph, label);\r
+                        }\r
+                        @Override\r
+                        public String createModifierInput(String fromLabel) {\r
+                            return fromLabel;\r
+                        }\r
+                    };\r
+                }\r
+                return null;\r
+            }\r
+        };\r
+    }\r
+\r
+}\r