-/*******************************************************************************\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 org.eclipse.swt.dnd.ByteArrayTransfer;\r
-import org.eclipse.swt.dnd.DND;\r
-import org.eclipse.swt.dnd.TextTransfer;\r
-import org.eclipse.swt.dnd.TransferData;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.common.ResourceArray;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.service.SerialisationSupport;\r
-import org.simantics.ui.SimanticsUI;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class ResourceReferenceTransfer extends ByteArrayTransfer {\r
-\r
- private static final String TYPENAME = "ResourceReferenceTransfer";\r
-\r
- private static final int TYPEID = registerType(TYPENAME);\r
-\r
- private static final ResourceReferenceTransfer INSTANCE = createInstance((String) null);\r
-\r
- private String purpose;\r
- private Session session;\r
-\r
- public static ResourceReferenceTransfer getInstance() {\r
- return INSTANCE;\r
- }\r
-\r
- public static ResourceReferenceTransfer createInstance(Session session) {\r
- ResourceReferenceTransfer result = new ResourceReferenceTransfer(null);\r
- result.session = session;\r
- return result;\r
- }\r
-\r
- public static ResourceReferenceTransfer createInstance(String purpose) {\r
- ResourceReferenceTransfer result = new ResourceReferenceTransfer(purpose);\r
- return result;\r
- }\r
-\r
- ResourceReferenceTransfer(String purpose) {\r
- this.purpose = purpose;\r
- }\r
-\r
- private Session getSession() {\r
- // NOTE return SimanticsUI is a big HAXXX\r
- return session == null ? SimanticsUI.getSession() : session;\r
- }\r
-\r
- public void javaToNative(Object object, TransferData transferData) {\r
- if (!checkResourceReference(object) || !isSupportedType(transferData)) {\r
- DND.error(DND.ERROR_INVALID_DATA);\r
- }\r
- ResourceArray[] resources = null;\r
- if (object instanceof Resource)\r
- resources = new ResourceArray[] {new ResourceArray((Resource) object)};\r
- if (object instanceof Resource[])\r
- resources = new ResourceArray[] {new ResourceArray((Resource[]) object)};\r
- if (object instanceof ResourceArray)\r
- resources = new ResourceArray[] {(ResourceArray) object};\r
- if (object instanceof ResourceArray[])\r
- resources = (ResourceArray[]) object;\r
- if (resources==null)\r
- DND.error(DND.ERROR_INVALID_DATA);\r
- //throw new IllegalArgumentException();\r
-\r
- // write data to a byte array and then ask super to convert to\r
- // pMedium\r
- Session s = getSession();\r
- SerialisationSupport support = s.getService(SerialisationSupport.class);\r
- ResourceTransferData rtd = new ResourceTransferData(s, resources);\r
- rtd.setPurpose(purpose);\r
-\r
- Object buffer;\r
- try {\r
- buffer = ResourceTransferUtils.createStringTransferable(support, rtd);\r
- } catch (DatabaseException e) {\r
- throw new RuntimeException(e);\r
- }\r
- TextTransfer.getInstance().javaToNative(buffer, transferData);\r
- }\r
-\r
- public Object nativeToJava(TransferData transferData) {\r
- if (isSupportedType(transferData)) {\r
- String buffer = (String) TextTransfer.getInstance().nativeToJava(transferData);\r
- if (buffer == null)\r
- return null;\r
-\r
- Session s = getSession();\r
- SerialisationSupport support = s.getService(SerialisationSupport.class);\r
- ResourceTransferData rtd;\r
- try {\r
- rtd = ResourceTransferUtils.readStringTransferable(support, buffer);\r
- } catch (IllegalArgumentException e) {\r
- throw new RuntimeException(e);\r
- } catch (DatabaseException e) {\r
- throw new RuntimeException(e);\r
- }\r
- // FIXME: the transferred "purpose" data cannot be passed further\r
- // because this method is currently assumed to return\r
- // ResourceArray[] instead of ResourceTransferData\r
- return rtd.toResourceArrayArray();\r
- }\r
- return null;\r
- }\r
-\r
- protected String[] getTypeNames() {\r
- return new String[] { TYPENAME };\r
- }\r
-\r
- protected int[] getTypeIds() {\r
- return new int[] { TYPEID };\r
- }\r
-\r
- boolean checkResourceReference(Object object) {\r
- System.out.println("o = " + object);\r
- if (object == null) return false;\r
- if ( !(object instanceof ResourceArray[]) || ((ResourceArray[]) object).length == 0) {\r
- return false;\r
- }\r
-// ResourceReference[] ResourceReferences = (ResourceReference[]) object;\r
-// for (int i = 0; i < ResourceReferences.length; i++) {\r
-// // Check each reference if there is something to check\r
-// }\r
- return true;\r
- }\r
-\r
- protected boolean validate(Object object) {\r
- return checkResourceReference(object);\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 org.eclipse.swt.dnd.ByteArrayTransfer;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.TextTransfer;
+import org.eclipse.swt.dnd.TransferData;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.common.ResourceArray;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.SerialisationSupport;
+import org.simantics.ui.SimanticsUI;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class ResourceReferenceTransfer extends ByteArrayTransfer {
+
+ private static final String TYPENAME = "ResourceReferenceTransfer";
+
+ private static final int TYPEID = registerType(TYPENAME);
+
+ private static final ResourceReferenceTransfer INSTANCE = createInstance((String) null);
+
+ private String purpose;
+ private Session session;
+
+ public static ResourceReferenceTransfer getInstance() {
+ return INSTANCE;
+ }
+
+ public static ResourceReferenceTransfer createInstance(Session session) {
+ ResourceReferenceTransfer result = new ResourceReferenceTransfer(null);
+ result.session = session;
+ return result;
+ }
+
+ public static ResourceReferenceTransfer createInstance(String purpose) {
+ ResourceReferenceTransfer result = new ResourceReferenceTransfer(purpose);
+ return result;
+ }
+
+ ResourceReferenceTransfer(String purpose) {
+ this.purpose = purpose;
+ }
+
+ private Session getSession() {
+ // NOTE return SimanticsUI is a big HAXXX
+ return session == null ? SimanticsUI.getSession() : session;
+ }
+
+ public void javaToNative(Object object, TransferData transferData) {
+ if (!checkResourceReference(object) || !isSupportedType(transferData)) {
+ DND.error(DND.ERROR_INVALID_DATA);
+ }
+ ResourceArray[] resources = null;
+ if (object instanceof Resource)
+ resources = new ResourceArray[] {new ResourceArray((Resource) object)};
+ if (object instanceof Resource[])
+ resources = new ResourceArray[] {new ResourceArray((Resource[]) object)};
+ if (object instanceof ResourceArray)
+ resources = new ResourceArray[] {(ResourceArray) object};
+ if (object instanceof ResourceArray[])
+ resources = (ResourceArray[]) object;
+ if (resources==null)
+ DND.error(DND.ERROR_INVALID_DATA);
+ //throw new IllegalArgumentException();
+
+ // write data to a byte array and then ask super to convert to
+ // pMedium
+ Session s = getSession();
+ SerialisationSupport support = s.getService(SerialisationSupport.class);
+ ResourceTransferData rtd = new ResourceTransferData(s, resources);
+ rtd.setPurpose(purpose);
+
+ Object buffer;
+ try {
+ buffer = ResourceTransferUtils.createStringTransferable(support, rtd);
+ } catch (DatabaseException e) {
+ throw new RuntimeException(e);
+ }
+ TextTransfer.getInstance().javaToNative(buffer, transferData);
+ }
+
+ public Object nativeToJava(TransferData transferData) {
+ if (isSupportedType(transferData)) {
+ String buffer = (String) TextTransfer.getInstance().nativeToJava(transferData);
+ if (buffer == null)
+ return null;
+
+ Session s = getSession();
+ SerialisationSupport support = s.getService(SerialisationSupport.class);
+ ResourceTransferData rtd;
+ try {
+ rtd = ResourceTransferUtils.readStringTransferable(support, buffer);
+ } catch (IllegalArgumentException e) {
+ throw new RuntimeException(e);
+ } catch (DatabaseException e) {
+ throw new RuntimeException(e);
+ }
+ // FIXME: the transferred "purpose" data cannot be passed further
+ // because this method is currently assumed to return
+ // ResourceArray[] instead of ResourceTransferData
+ return rtd.toResourceArrayArray();
+ }
+ return null;
+ }
+
+ protected String[] getTypeNames() {
+ return new String[] { TYPENAME };
+ }
+
+ protected int[] getTypeIds() {
+ return new int[] { TYPEID };
+ }
+
+ boolean checkResourceReference(Object object) {
+ System.out.println("o = " + object);
+ if (object == null) return false;
+ if ( !(object instanceof ResourceArray[]) || ((ResourceArray[]) object).length == 0) {
+ return false;
+ }
+// ResourceReference[] ResourceReferences = (ResourceReference[]) object;
+// for (int i = 0; i < ResourceReferences.length; i++) {
+// // Check each reference if there is something to check
+// }
+ return true;
+ }
+
+ protected boolean validate(Object object) {
+ return checkResourceReference(object);
+ }
+
+}
Code Review / simantics / platform.git / blobdiff