Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.ui / src / org / simantics / ui / workbench / EditorNaming.java

diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/workbench/EditorNaming.java b/bundles/org.simantics.ui/src/org/simantics/ui/workbench/EditorNaming.java
new file mode 100644 (file)
index 0000000..e255163
--- /dev/null
+++ b/bundles/org.simantics.ui/src/org/simantics/ui/workbench/EditorNaming.java
@@ -0,0 +1,87 @@
+/*******************************************************************************\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