-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 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.ui.dnd;\r
-\r
-import java.io.IOException;\r
-\r
-import org.eclipse.swt.dnd.ByteArrayTransfer;\r
-import org.eclipse.swt.dnd.DND;\r
-import org.eclipse.swt.dnd.TransferData;\r
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.serialization.Serializer;\r
-import org.simantics.graph.representation.TransferableGraph1;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class SubgraphTransfer extends ByteArrayTransfer {\r
-\r
- private static final String TYPENAME = "graph";\r
- private static final int TYPEID = registerType(TYPENAME);\r
- private static final int[] TYPEIDS = new int[] { TYPEID };\r
- private static final String[] TYPENAMES = new String[] { TYPENAME };\r
-\r
- public static final SubgraphTransfer INSTANCE = createInstance();\r
-\r
- SubgraphTransfer() {}\r
-\r
- public static SubgraphTransfer getInstance() {\r
- return INSTANCE;\r
- }\r
-\r
- public static SubgraphTransfer createInstance() {\r
- SubgraphTransfer result = new SubgraphTransfer();\r
- return result;\r
- }\r
-\r
- public void javaToNative(Object object, TransferData transferData) {\r
- if (!(object instanceof TransferableGraph1) || !isSupportedType(transferData)) \r
- DND.error(DND.ERROR_INVALID_DATA);\r
-\r
- Serializer s = Bindings.getSerializerUnchecked(TransferableGraph1.class);\r
- try {\r
- byte[] data = s.serialize(object);\r
- super.javaToNative(data, transferData);\r
- } catch (IOException e) {\r
- ErrorLogger.defaultLogError(e);\r
- }\r
- }\r
-\r
- public Object nativeToJava(TransferData transferData) {\r
- if (!isSupportedType(transferData)) return null;\r
-\r
- byte[] data = (byte[]) super.nativeToJava(transferData);\r
- try {\r
- Serializer s = Bindings.getSerializerUnchecked(TransferableGraph1.class);\r
- return s.deserialize(data);\r
- } catch (IOException e) {\r
- return null;\r
- }\r
- }\r
-\r
- protected String[] getTypeNames() {\r
- return TYPENAMES;\r
- }\r
-\r
- protected int[] getTypeIds() {\r
- return TYPEIDS;\r
- }\r
-\r
- protected boolean validate(Object object) {\r
- return object instanceof TransferableGraph1;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.ui.dnd;
+
+import java.io.IOException;
+
+import org.eclipse.swt.dnd.ByteArrayTransfer;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.TransferData;
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.serialization.Serializer;
+import org.simantics.graph.representation.TransferableGraph1;
+import org.simantics.utils.ui.ErrorLogger;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class SubgraphTransfer extends ByteArrayTransfer {
+
+ private static final String TYPENAME = "graph";
+ private static final int TYPEID = registerType(TYPENAME);
+ private static final int[] TYPEIDS = new int[] { TYPEID };
+ private static final String[] TYPENAMES = new String[] { TYPENAME };
+
+ public static final SubgraphTransfer INSTANCE = createInstance();
+
+ SubgraphTransfer() {}
+
+ public static SubgraphTransfer getInstance() {
+ return INSTANCE;
+ }
+
+ public static SubgraphTransfer createInstance() {
+ SubgraphTransfer result = new SubgraphTransfer();
+ return result;
+ }
+
+ public void javaToNative(Object object, TransferData transferData) {
+ if (!(object instanceof TransferableGraph1) || !isSupportedType(transferData))
+ DND.error(DND.ERROR_INVALID_DATA);
+
+ Serializer s = Bindings.getSerializerUnchecked(TransferableGraph1.class);
+ try {
+ byte[] data = s.serialize(object);
+ super.javaToNative(data, transferData);
+ } catch (IOException e) {
+ ErrorLogger.defaultLogError(e);
+ }
+ }
+
+ public Object nativeToJava(TransferData transferData) {
+ if (!isSupportedType(transferData)) return null;
+
+ byte[] data = (byte[]) super.nativeToJava(transferData);
+ try {
+ Serializer s = Bindings.getSerializerUnchecked(TransferableGraph1.class);
+ return s.deserialize(data);
+ } catch (IOException e) {
+ return null;
+ }
+ }
+
+ protected String[] getTypeNames() {
+ return TYPENAMES;
+ }
+
+ protected int[] getTypeIds() {
+ return TYPEIDS;
+ }
+
+ protected boolean validate(Object object) {
+ return object instanceof TransferableGraph1;
+ }
+
+}