+/*******************************************************************************\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.ColumnKeys;\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.Resource;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.Statement;\r
+import org.simantics.db.WriteGraph;\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.adapter.StringModifierFactory;\r
+import org.simantics.db.layer0.util.Layer0Utils;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class StringPropertyModifierRule implements ModifierRule {\r
+\r
+ private Resource propertyRelation;\r
+\r
+ public StringPropertyModifierRule(ReadGraph graph, String propertyRelationURI) throws DatabaseException {\r
+ this.propertyRelation = graph.getResource(propertyRelationURI);\r
+ }\r
+\r
+ @Override\r
+ public boolean isCompatible(Class<?> contentType) {\r
+ return contentType.equals(Resource.class);\r
+ }\r
+\r
+ @Override\r
+ public Modifier getModifier(ReadGraph graph, Object content,\r
+ String columnKey) throws DatabaseException {\r
+ if(!ColumnKeys.SINGLE.equals(columnKey))\r
+ return null;\r
+ if(!(content instanceof Resource))\r
+ return null;\r
+\r
+ Resource resource = (Resource)content;\r
+ final Statement nameStm = graph.getPossibleStatement(resource, propertyRelation);\r
+ if (nameStm == null)\r
+ return null;\r
+\r
+ StringModifierFactory smf = graph.getPossibleAdapter(resource, StringModifierFactory.class);\r
+ if (smf != null) {\r
+ final StringModifier sm = smf.createModifier(graph, propertyRelation, nameStm.getObject());\r
+ if (sm != null)\r
+ return modifierFor(graph.getSession(), sm, nameStm.getObject());\r
+ }\r
+\r
+ return new L0StringModifier(graph.getSession(), resource, propertyRelation, nameStm.getObject());\r
+ }\r
+\r
+ private Modifier modifierFor(final Session session, final StringModifier sm, final Resource valueResource) {\r
+ return new Modifier() {\r
+ @Override\r
+ public String getValue() {\r
+ return sm.getValue();\r
+// try {\r
+// return session.syncRequest(new PossibleAdapter<String>(valueResource, String.class));\r
+// } catch (DatabaseException e) {\r
+// ErrorLogger.defaultLogError(e);\r
+// return null;\r
+// }\r
+ }\r
+ @Override\r
+ public String isValid(String label) {\r
+ return sm.isValid(label);\r
+ }\r
+ @Override\r
+ public void modify(final String label) {\r
+ try {\r
+ session.syncRequest(new WriteRequest() {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ Layer0Utils.addCommentMetadata(graph, "Modify string");\r
+ graph.markUndoPoint();\r
+ sm.modify(graph, label);\r
+ }\r
+ });\r
+ } catch (DatabaseException e) {\r
+ ErrorLogger.defaultLogError(e);\r
+ }\r
+ }\r
+ };\r
+ }\r
+\r
+}\r