X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fworkbench%2FTitleWithParentNameRequest.java;fp=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fworkbench%2FTitleWithParentNameRequest.java;h=23d1fd1acc428e3dcc28dba94ca4359844f694bf;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/workbench/TitleWithParentNameRequest.java b/bundles/org.simantics.ui/src/org/simantics/ui/workbench/TitleWithParentNameRequest.java
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+/*******************************************************************************
+ * Copyright (c) 2014 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
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.ui.workbench;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+/**
+ * A simple request that takes an IResourceEditorInput as input and calculates
+ * the following editor title from it:
+ * <code>input-name (input-parent-name)</code>.
+ * 
+ * @author Hannu Niemist&ouml;
+ * @author Tuukka Lehtonen
+ * @see TitleRequest
+ */
+public class TitleWithParentNameRequest extends UnaryRead<IResourceEditorInput, String> {
+
+    public TitleWithParentNameRequest(IResourceEditorInput input) {
+        super(input);
+    }
+
+    @Override
+    public String perform(ReadGraph graph) throws DatabaseException {
+        Layer0 L0 = Layer0.getInstance(graph);
+        Resource r = parameter.getResource();
+        Resource parent = graph.getPossibleObject(r, L0.PartOf);
+        String name = safeName(graph, r, "No name", L0);
+        String parentName = safeName(graph, parent, "No parent", L0);
+        return name + " (" + parentName + ")";
+    }
+
+    protected String safeName(ReadGraph graph, Resource r, String noNameValue, Layer0 L0) throws DatabaseException {
+        if (r != null) {
+            String name = graph.getPossibleRelatedValue(r, L0.HasName, Bindings.STRING);
+            if (name != null) {
+                return name;
+            }
+        }
+        return noNameValue;
+    }
+    
+}