1 /*******************************************************************************
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2 * Copyright (c) 2016 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 * Semantum Oy - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.g2d.diagram.participant;
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14 import java.awt.datatransfer.Transferable;
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16 import org.simantics.g2d.canvas.ICanvasContext;
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17 import org.simantics.g2d.element.IElement;
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18 import org.simantics.scenegraph.g2d.nodes.TransferableProvider;
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19 import org.simantics.ui.dnd.PlaintextTransfer;
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22 * @author Antti Villberg, Tuukka Lehtonen
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24 public class ElementTransferableProvider implements TransferableProvider {
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26 final private ICanvasContext context;
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27 final private IElement element;
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29 public ElementTransferableProvider(ICanvasContext context, IElement element) {
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30 this.context = context;
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31 this.element = element;
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35 public Transferable create() {
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36 ElementJSON converter = context.getAtMostOneItemOfClass(ElementJSON.class);
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37 if (converter == null)
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39 return converter.getJSON(element).map(PlaintextTransfer::new).orElse(null);
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