Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.ui / src / org / simantics / ui / dnd / LocalObjectTransferable.java

diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/dnd/LocalObjectTransferable.java b/bundles/org.simantics.ui/src/org/simantics/ui/dnd/LocalObjectTransferable.java
new file mode 100644 (file)
index 0000000..1b95a49
--- /dev/null
+++ b/bundles/org.simantics.ui/src/org/simantics/ui/dnd/LocalObjectTransferable.java
@@ -0,0 +1,66 @@
+/*******************************************************************************\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.awt.datatransfer.Clipboard;\r
+import java.awt.datatransfer.ClipboardOwner;\r
+import java.awt.datatransfer.DataFlavor;\r
+import java.awt.datatransfer.Transferable;\r
+import java.awt.datatransfer.UnsupportedFlavorException;\r
+import java.io.ByteArrayInputStream;\r
+import java.io.IOException;\r
+\r
+public class LocalObjectTransferable implements Transferable, ClipboardOwner {\r
+\r
+    //public static final String     TYPE_NAME = "application/x-java-jvm-local-objectref" + (new Long(System.currentTimeMillis())).toString() + ";class=java.lang.Object"; //$NON-NLS-1$;\r
+    /**\r
+     * For transferring JVM local objects as references, does not work between\r
+     * applications. The System.currentTimeMillis suffix is added to prevent\r
+     * application to application transfer.\r
+     */\r
+    public static final String     TYPE_NAME = "application/local-object-transfer-format" + (new Long(System.currentTimeMillis())).toString(); //$NON-NLS-1$;\r
+    public static final DataFlavor FLAVOR    = new DataFlavor(TYPE_NAME, null);\r
+\r
+    Object object;\r
+\r
+    public LocalObjectTransferable(Object object) {\r
+        this.object = new ByteArrayInputStream(new byte[0]);\r
+        LocalObjectTransfer.getTransfer().setObject(object);\r
+    }\r
+\r
+    /**\r
+     * Returns an array of flavors in which this <code>Transferable</code> can\r
+     * provide the data. <code>DataFlavor.stringFlavor</code> is properly\r
+     * supported. Support for <code>DataFlavor.plainTextFlavor</code> is\r
+     * <b>deprecated</b>.\r
+     * \r
+     * @return an array of length two, whose elements are <code>DataFlavor.\r
+     *         stringFlavor</code> and <code>DataFlavor.plainTextFlavor</code>\r
+     */\r
+    public DataFlavor[] getTransferDataFlavors() {\r
+        return new DataFlavor[] { FLAVOR };\r
+    }\r
+\r
+    public boolean isDataFlavorSupported(DataFlavor flavor) {\r
+        return flavor.equals(FLAVOR);\r
+    }\r
+\r
+    public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {\r
+        if (flavor.equals(FLAVOR))\r
+            return object;\r
+        throw new UnsupportedFlavorException(flavor);\r
+    }\r
+\r
+    public void lostOwnership(Clipboard clipboard, Transferable contents) {\r
+    }\r
+\r
+}\r