1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.ui.dnd;
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14 import java.awt.datatransfer.Clipboard;
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15 import java.awt.datatransfer.ClipboardOwner;
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16 import java.awt.datatransfer.DataFlavor;
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17 import java.awt.datatransfer.Transferable;
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18 import java.awt.datatransfer.UnsupportedFlavorException;
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19 import java.io.ByteArrayInputStream;
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20 import java.io.IOException;
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22 public class LocalObjectTransferable implements Transferable, ClipboardOwner {
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24 //public static final String TYPE_NAME = "application/x-java-jvm-local-objectref" + (new Long(System.currentTimeMillis())).toString() + ";class=java.lang.Object"; //$NON-NLS-1$;
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26 * For transferring JVM local objects as references, does not work between
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27 * applications. The System.currentTimeMillis suffix is added to prevent
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28 * application to application transfer.
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30 public static final String TYPE_NAME = "application/local-object-transfer-format" + (new Long(System.currentTimeMillis())).toString(); //$NON-NLS-1$;
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31 public static final DataFlavor FLAVOR = new DataFlavor(TYPE_NAME, null);
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35 public LocalObjectTransferable(Object object) {
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36 this.object = new ByteArrayInputStream(new byte[0]);
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37 LocalObjectTransfer.getTransfer().setObject(object);
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41 * Returns an array of flavors in which this <code>Transferable</code> can
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42 * provide the data. <code>DataFlavor.stringFlavor</code> is properly
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43 * supported. Support for <code>DataFlavor.plainTextFlavor</code> is
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44 * <b>deprecated</b>.
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46 * @return an array of length two, whose elements are <code>DataFlavor.
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47 * stringFlavor</code> and <code>DataFlavor.plainTextFlavor</code>
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49 public DataFlavor[] getTransferDataFlavors() {
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50 return new DataFlavor[] { FLAVOR };
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53 public boolean isDataFlavorSupported(DataFlavor flavor) {
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54 return flavor.equals(FLAVOR);
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57 public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
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58 if (flavor.equals(FLAVOR))
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60 throw new UnsupportedFlavorException(flavor);
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63 public void lostOwnership(Clipboard clipboard, Transferable contents) {
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