--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 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.browsing.ui.model.modifiers;\r
+\r
+import org.simantics.browsing.ui.common.ErrorLogger;\r
+import org.simantics.browsing.ui.content.Labeler.Modifier;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Statement;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.primitiverequest.PossibleAdapter;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.adapter.StringModifier;\r
+import org.simantics.db.layer0.util.Layer0Utils;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public class L0StringModifier implements Modifier {\r
+\r
+ private final RequestProcessor processor;\r
+ private final Resource subject;\r
+ private final Resource propertyRelation;\r
+ private final Resource literal;\r
+\r
+ public L0StringModifier(RequestProcessor processor, Resource subject, Resource propertyRelation, Resource literal) {\r
+ this.processor = processor;\r
+ this.subject = subject;\r
+ this.propertyRelation = propertyRelation;\r
+ this.literal = literal;\r
+ }\r
+\r
+ @Override\r
+ public String getValue() {\r
+ try {\r
+ return processor.syncRequest(new PossibleAdapter<String>(literal, String.class));\r
+ } catch (DatabaseException e) {\r
+ ErrorLogger.defaultLogError(e);\r
+ return null;\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public String isValid(final String label) {\r
+ try {\r
+ return processor.syncRequest(new Read<String>() {\r
+ @Override\r
+ public String perform(ReadGraph graph) throws DatabaseException {\r
+ StringModifier modifier = graph.adapt(literal, StringModifier.class);\r
+ return modifier.isValid(label);\r
+ }\r
+ });\r
+ } catch (DatabaseException e) {\r
+ ErrorLogger.defaultLogError(e);\r
+ return e.getMessage();\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public void modify(final String label) {\r
+ try {\r
+ processor.syncRequest(new WriteRequest() {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ Layer0Utils.addCommentMetadata(graph, "Modify string");\r
+ graph.markUndoPoint();\r
+ Statement stm = graph.getPossibleStatement(subject, propertyRelation);\r
+ if (stm.isAsserted(subject)) {\r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ Resource newLiteral = graph.newResource();\r
+ for (Resource iof : graph.getObjects(literal, L0.InstanceOf))\r
+ graph.claim(newLiteral, L0.InstanceOf, null, iof);\r
+ graph.claim(subject, propertyRelation, newLiteral);\r
+ StringModifier modifier = graph.adapt(newLiteral, StringModifier.class);\r
+ modifier.modify(graph, label);\r
+ } else {\r
+ StringModifier modifier = graph.adapt(literal, StringModifier.class);\r
+ modifier.modify(graph, label);\r
+ }\r
+ }\r
+ });\r
+ } catch (DatabaseException e) {\r
+ ErrorLogger.defaultLogError(e);\r
+ }\r
+ }\r
+\r
+}\r