X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.graph.impl%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fgraph%2Fimpl%2FLabelerUtil.java;fp=bundles%2Forg.simantics.browsing.ui.graph.impl%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fgraph%2Fimpl%2FLabelerUtil.java;h=f48e01f1e83c5bada0fe1e1468bfe15808938426;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LabelerUtil.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LabelerUtil.java
new file mode 100644
index 000000000..f48e01f1e
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+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LabelerUtil.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.browsing.ui.graph.impl;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.AdaptionException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.utils.representation.StringRepresentation2;
+import org.simantics.utils.datastructures.slice.ValueRange;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public final class LabelerUtil {
+
+    /**
+     * @param g
+     * @param r
+     * @return
+     */
+    public static String safeStringRepresentation(ReadGraph g, Resource r) throws DatabaseException {
+        try {
+            String rep = g.adapt(r, String.class);
+            return rep;
+        } catch (AdaptionException e) {
+            return "<no string representation: " + e.getMessage() + ">";
+        } catch (DatabaseException e) {
+            return NameUtils.getSafeName(g, r);
+        }
+    }
+
+    /**
+     * @param g
+     * @param r
+     * @param range
+     * @return
+     */
+    public static String safeStringRepresentation(ReadGraph g, Resource r, int index) throws DatabaseException {
+        try {
+            StringRepresentation2 rep = g.adapt(r, StringRepresentation2.class);
+            return rep.get(g, index);
+        } catch (AdaptionException e) {
+            return "<no string representation: " + e.getMessage() + ">";
+        }
+    }
+
+    /**
+     * @param g
+     * @param r
+     * @param range
+     * @return
+     */
+    public static String safeStringRepresentation(ReadGraph g, Resource r, ValueRange range) throws DatabaseException {
+        try {
+            StringRepresentation2 rep = g.adapt(r, StringRepresentation2.class);
+            return rep.get(g, range.start(), range.size());
+        } catch (AdaptionException e) {
+            return "<no string representation: " + e.getMessage() + ">";
+        }
+    }
+
+}