--- /dev/null
+/*******************************************************************************\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.ui.workbench;\r
+\r
+import org.simantics.Simantics;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.PossibleIndexRoot;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.project.IProject;\r
+\r
+/**\r
+ * An IProject service for naming editors while working on a project.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+public final class EditorNaming {\r
+\r
+ /**\r
+ * @param graph\r
+ * @param resource\r
+ * @return\r
+ * @throws DatabaseException\r
+ */\r
+ public static IEditorNamingService getNamingService(ReadGraph graph, Resource resource) throws DatabaseException {\r
+ IEditorNamingService ems = graph.getPossibleAdapter(resource, IEditorNamingService.class);\r
+ if (ems == null) {\r
+ Resource model = graph.syncRequest(new PossibleIndexRoot(resource));\r
+ if (model != null) {\r
+ ems = graph.getPossibleAdapter(model, IEditorNamingService.class);\r
+ }\r
+ }\r
+\r
+ // Last resort.\r
+ if (ems == null) {\r
+ IProject p = Simantics.peekProject();\r
+ ems = p.getHint(IEditorNamingService.KEY_EDITOR_NAMING_SERVICE);\r
+ }\r
+\r
+ return ems;\r
+ }\r
+\r
+ /**\r
+ * @param graph\r
+ * @param variable\r
+ * @return\r
+ * @throws DatabaseException\r
+ */\r
+ public static IEditorNamingService getNamingService(ReadGraph graph, Variable variable) throws DatabaseException {\r
+ IEditorNamingService ems = null;\r
+\r
+ Resource r = variable.getPossibleRepresents(graph);\r
+ if (r != null)\r
+ ems = graph.getPossibleAdapter(r, IEditorNamingService.class);\r
+\r
+ if (ems == null) {\r
+ try {\r
+ Resource model = Variables.getModel(graph, variable);\r
+ ems = graph.getPossibleAdapter(model, IEditorNamingService.class);\r
+ } catch (DatabaseException e) {\r
+ // Ignore missing model, in this case the variable is lost anyway.\r
+ }\r
+ }\r
+\r
+ // Last resort.\r
+ if (ems == null) {\r
+ IProject p = Simantics.peekProject();\r
+ if (p != null) {\r
+ ems = p.getHint(IEditorNamingService.KEY_EDITOR_NAMING_SERVICE);\r
+ }\r
+ }\r
+\r
+ return ems;\r
+ }\r
+\r
+}\r