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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor.workingSet.character;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.TreeViewer;
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import org.eclipse.swt.dnd.DragSourceEvent;
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import eu.etaxonomy.cdm.model.description.FeatureNode;
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import eu.etaxonomy.taxeditor.featuretree.FeatureNodeTransfer;
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import eu.etaxonomy.taxeditor.featuretree.e4.FeatureNodeDragListener;
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/**
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* @author pplitzner
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* @since Jun 2, 2017
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*
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*/
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public class CharacterDragListener extends FeatureNodeDragListener {
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private TreeViewer structureViewer;
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private TreeViewer propertyViewer;
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/**
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* @param propertyViewer
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*/
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public CharacterDragListener(TreeViewer structureViewer, TreeViewer propertyViewer) {
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super(propertyViewer);
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this.structureViewer = structureViewer;
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this.propertyViewer = propertyViewer;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void dragSetData(DragSourceEvent event) {
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FeatureNode structure = (FeatureNode) ((IStructuredSelection) structureViewer.getSelection()).getFirstElement();
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FeatureNode property = (FeatureNode) ((IStructuredSelection) propertyViewer.getSelection()).getFirstElement();
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FeatureNode[] character = new FeatureNode[2];
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character[0] = structure;
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character[1] = property;
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if (FeatureNodeTransfer.getInstance().isSupportedType(event.dataType)) {
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event.data = character;
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}
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}
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}
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