Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.model / src / org / simantics / browsing / ui / model / modifiers / StringPropertyModifierRule.java

diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/StringPropertyModifierRule.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/StringPropertyModifierRule.java
new file mode 100644 (file)
index 0000000..28e7127
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/StringPropertyModifierRule.java
@@ -0,0 +1,101 @@
+/*******************************************************************************\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