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/**
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* Copyright (C) 2007 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.dnd;
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import java.util.Collection;
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import java.util.Iterator;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.swt.dnd.DropTargetEvent;
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import org.eclipse.swt.dnd.DropTargetListener;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.persistence.dto.UuidAndTitleCache;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.group.grantedauthority.CdmAuthorityComposite;
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import eu.etaxonomy.taxeditor.ui.group.grantedauthority.CdmAuthorityCompositeViewer;
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/**
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* Drop listener for the {@link CdmAuthorityComposite}.
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*
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* @author cmathew
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* @created Mar 28, 2013
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*
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*/
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public class CdmAuthorityTableDropTargetListener implements DropTargetListener {
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private CdmAuthorityCompositeViewer viewer;
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public CdmAuthorityTableDropTargetListener(CdmAuthorityCompositeViewer viewer) {
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this.viewer = viewer;
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}
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@Override
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public void dragEnter(DropTargetEvent event) {
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}
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@Override
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public void dragLeave(DropTargetEvent arg0) {
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}
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@Override
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public void dragOperationChanged(DropTargetEvent arg0) {
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}
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@Override
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public void dragOver(DropTargetEvent arg0) {
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}
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@Override
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public void drop(DropTargetEvent dtevent) {
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Object data = dtevent.data;
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if (data instanceof IStructuredSelection) {
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Iterator<?> selectionIterator = ((IStructuredSelection) dtevent.data).iterator();
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while (selectionIterator.hasNext()){
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addAuthority(selectionIterator.next());
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}
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}
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else if(data instanceof Object[]) {
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for(int i=0;i<((Object[])data).length;i++){
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addAuthority(((Object[])data)[i]);
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}
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}
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else if(data instanceof Collection) {
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((Collection) data).forEach(d->addAuthority(d));
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}
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else{
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addAuthority(data);
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}
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viewer.getControl().setFocus();
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}
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private void addAuthority(Object authority){
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if(CdmBase.class.isAssignableFrom(authority.getClass()) ) {
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viewer.addCdmAuthority((CdmBase)authority);
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}
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else if(authority instanceof UuidAndTitleCache){
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UuidAndTitleCache uuidAndTitleCache = (UuidAndTitleCache) authority;
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CdmBase cdmBase = CdmStore.getCommonService().find(uuidAndTitleCache.getType(), uuidAndTitleCache.getUuid());
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viewer.addCdmAuthority(cdmBase);
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}
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}
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@Override
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public void dropAccept(DropTargetEvent arg0) {
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}
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}
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