-/*******************************************************************************\r
- * Copyright (c) 2010, 2011 Association for Decentralized Information Management in\r
- * 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.browsing.ui.model.labels;\r
-\r
-import java.util.Collections;\r
-import java.util.Map;\r
-\r
-import org.simantics.browsing.ui.BuiltinKeys;\r
-import org.simantics.browsing.ui.NodeContext;\r
-import org.simantics.browsing.ui.common.ColumnKeys;\r
-import org.simantics.browsing.ui.common.ErrorLogger;\r
-import org.simantics.browsing.ui.model.InvalidContribution;\r
-import org.simantics.browsing.ui.model.nodetypes.NodeType;\r
-import org.simantics.browsing.ui.model.tests.Test;\r
-import org.simantics.browsing.ui.model.visuals.VisualsContribution;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-\r
-/**\r
- * Produces labels for nodes of given node type.\r
- * @author Hannu Niemistö\r
- */\r
-public class LabelContribution extends VisualsContribution {\r
- LabelRule labelRule;\r
- \r
- public LabelContribution(NodeType nodeType, Test test, LabelRule labelRule, double priority) throws InvalidContribution {\r
- super(nodeType, test, priority);\r
- if(!labelRule.isCompatible(\r
- nodeType.getContentType()\r
- ))\r
- throw new InvalidContribution("Label rule is not compatible with the content type.");\r
- this.labelRule = labelRule;\r
- }\r
- \r
- /**\r
- * Returns a label for the node or null, if contribution is\r
- * not suitable for the input.\r
- */\r
- public Map<String, String> getLabel(ReadGraph graph, NodeContext context) {\r
- Object content = context.getConstant(BuiltinKeys.INPUT);\r
- try {\r
- if(test == null || test.test(graph, content)) \r
- return labelRule.getLabel(graph, content);\r
- else\r
- return null;\r
- } catch(DatabaseException e) {\r
- ErrorLogger.defaultLogError(e);\r
- //Logger.defaultLogError(e);\r
- // TODO reconsider\r
- return Collections.singletonMap(ColumnKeys.SINGLE, "");\r
- }\r
- } \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2010, 2011 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.model.labels;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.common.ColumnKeys;
+import org.simantics.browsing.ui.common.ErrorLogger;
+import org.simantics.browsing.ui.model.InvalidContribution;
+import org.simantics.browsing.ui.model.nodetypes.NodeType;
+import org.simantics.browsing.ui.model.tests.Test;
+import org.simantics.browsing.ui.model.visuals.VisualsContribution;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.exception.PendingVariableException;
+
+/**
+ * Produces labels for nodes of given node type.
+ * @author Hannu Niemistö
+ */
+public class LabelContribution extends VisualsContribution {
+ LabelRule labelRule;
+
+ public LabelContribution(NodeType nodeType, Test test, LabelRule labelRule, double priority) throws InvalidContribution {
+ super(nodeType, test, priority);
+ if(!labelRule.isCompatible(
+ nodeType.getContentType()
+ ))
+ throw new InvalidContribution("Label rule is not compatible with the content type.");
+ this.labelRule = labelRule;
+ }
+
+ /**
+ * Returns a label for the node or null, if contribution is
+ * not suitable for the input.
+ */
+ public Map<String, String> getLabel(ReadGraph graph, NodeContext context) {
+ Object content = context.getConstant(BuiltinKeys.INPUT);
+ try {
+ if(test == null || test.test(graph, content))
+ return labelRule.getLabel(graph, content);
+ else
+ return null;
+ } catch(PendingVariableException e) {
+ return Collections.singletonMap(ColumnKeys.SINGLE, "");
+ } catch(DatabaseException e) {
+ ErrorLogger.defaultLogError(e);
+ return Collections.singletonMap(ColumnKeys.SINGLE, "");
+ }
+ }
+}