eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/dnd/CdmAuthorityTableDropTargetListener.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.dnd;
  10
  11 import java.util.Collection;
  12 import java.util.Iterator;
  13
  14 import org.eclipse.jface.viewers.IStructuredSelection;
  15 import org.eclipse.swt.dnd.DropTargetEvent;
  16 import org.eclipse.swt.dnd.DropTargetListener;
  17
  18 import eu.etaxonomy.cdm.api.service.ITermService;
  19 import eu.etaxonomy.cdm.model.common.CdmBase;
  20 import eu.etaxonomy.cdm.persistence.dto.TermDto;
  21 import eu.etaxonomy.cdm.persistence.dto.UuidAndTitleCache;
  22 import eu.etaxonomy.taxeditor.store.CdmStore;
  23 import eu.etaxonomy.taxeditor.ui.group.grantedauthority.CdmAuthorityComposite;
  24 import eu.etaxonomy.taxeditor.ui.group.grantedauthority.CdmAuthorityCompositeViewer;
  25
  26 /**
  27  * Drop listener for the {@link CdmAuthorityComposite}.
  28  *
  29  * @author cmathew
  30  * @created Mar 28, 2013
  31  *
  32  */
  33 public class CdmAuthorityTableDropTargetListener implements DropTargetListener {
  34
  35         private CdmAuthorityCompositeViewer viewer;
  36
  37
  38         public CdmAuthorityTableDropTargetListener(CdmAuthorityCompositeViewer viewer) {
  39                 this.viewer = viewer;
  40         }
  41
  42         @Override
  43         public void dragEnter(DropTargetEvent event) {
  44         }
  45
  46         @Override
  47         public void dragLeave(DropTargetEvent arg0) {
  48         }
  49
  50         @Override
  51         public void dragOperationChanged(DropTargetEvent arg0) {
  52         }
  53
  54         @Override
  55         public void dragOver(DropTargetEvent arg0) {
  56         }
  57
  58         @Override
  59         public void drop(DropTargetEvent dtevent) {
  60             Object data = dtevent.data;
  61             if (data instanceof IStructuredSelection) {
  62                 Iterator<?> selectionIterator = ((IStructuredSelection) dtevent.data).iterator();
  63                 while (selectionIterator.hasNext()){
  64                     addAuthority(selectionIterator.next());
  65                 }
  66             }
  67             else if(data instanceof Object[]) {
  68                 for(int i=0;i<((Object[])data).length;i++){
  69                     addAuthority(((Object[])data)[i]);
  70                 }
  71             }
  72             else if(data instanceof Collection) {
  73                 ((Collection) data).forEach(d->addAuthority(d));
  74             }
  75             else{
  76                 addAuthority(data);
  77             }
  78             viewer.getControl().setFocus();
  79         }
  80
  81         private void addAuthority(Object authority){
  82             if(CdmBase.class.isAssignableFrom(authority.getClass()) ) {
  83                 viewer.addCdmAuthority((CdmBase)authority);
  84             }
  85             else if(authority instanceof UuidAndTitleCache){
  86                 UuidAndTitleCache uuidAndTitleCache = (UuidAndTitleCache) authority;
  87             CdmBase cdmBase = CdmStore.getCommonService().find(uuidAndTitleCache.getType(), uuidAndTitleCache.getUuid());
  88             viewer.addCdmAuthority(cdmBase);
  89             }else if (authority instanceof TermDto){
  90                 TermDto uuidAndTitleCache = (TermDto) authority;
  91             CdmBase cdmBase = CdmStore.getService(ITermService.class).find(uuidAndTitleCache.getUuid());
  92             viewer.addCdmAuthority(cdmBase);
  93             }
  94         }
  95
  96         @Override
  97         public void dropAccept(DropTargetEvent arg0) {
  98         }
  99
 100 }