X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fworkbench%2FEditorNaming.java;fp=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fworkbench%2FEditorNaming.java;h=e2551633ab8d6295fad546eab1342f958cbce87a;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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