eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/media/MediaViewPart.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.editor.view.media;
  12
  13 import java.util.HashMap;
  14 import java.util.Map;
  15
  16 import org.eclipse.jface.action.GroupMarker;
  17 import org.eclipse.jface.action.MenuManager;
  18 import org.eclipse.jface.viewers.ISelection;
  19 import org.eclipse.jface.viewers.IStructuredSelection;
  20 import org.eclipse.jface.viewers.ITreeContentProvider;
  21 import org.eclipse.jface.viewers.StructuredSelection;
  22 import org.eclipse.jface.viewers.TreeNode;
  23 import org.eclipse.jface.viewers.TreeViewer;
  24 import org.eclipse.jface.viewers.Viewer;
  25 import org.eclipse.swt.SWT;
  26 import org.eclipse.swt.widgets.Composite;
  27 import org.eclipse.swt.widgets.Control;
  28 import org.eclipse.swt.widgets.Menu;
  29 import org.eclipse.swt.widgets.Tree;
  30 import org.eclipse.ui.IEditorInput;
  31 import org.eclipse.ui.IEditorPart;
  32 import org.eclipse.ui.IWorkbenchActionConstants;
  33 import org.eclipse.ui.IWorkbenchPart;
  34
  35 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  36 import eu.etaxonomy.cdm.model.description.IDescribable;
  37 import eu.etaxonomy.cdm.model.media.IMediaDocumented;
  38 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  39 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  40 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  41 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveContentProvider;
  42 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  43 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  44 import eu.etaxonomy.taxeditor.model.FeatureNodeContainerTree;
  45 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  46 import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
  47 import eu.etaxonomy.taxeditor.model.IPartContentHasMedia;
  48 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  49 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  50 import eu.etaxonomy.taxeditor.view.detail.DetailsViewPart;
  51 import eu.etaxonomy.taxeditor.view.supplementaldata.SupplementalDataViewPart;
  52
  53 /**
  54  * <p>MediaViewPart class.</p>
  55  *
  56  * @author n.hoffmann
  57  * @created Jun 15, 2010
  58  * @version 1.0
  59  */
  60 public class MediaViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
  61
  62         /** Constant <code>ID="eu.etaxonomy.taxeditor.editor.view.medi"{trunked}</code> */
  63         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.media";
  64
  65
  66         private TreeViewer viewer;
  67
  68         /*
  69          * (non-Javadoc)
  70          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#createViewer(org.eclipse.swt.widgets.Composite)
  71          */
  72         /** {@inheritDoc} */
  73         @Override
  74         public void createViewer(Composite parent) {
  75
  76                 viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL
  77                                 | SWT.V_SCROLL | SWT.FULL_SELECTION));
  78
  79                 viewer.setContentProvider(new MediaContentProvider());
  80                 viewer.setLabelProvider(new MediaLabelProvider());
  81                 viewer.setAutoExpandLevel(2);
  82
  83                 // Propagate selection from viewer
  84                 getSite().setSelectionProvider(viewer);
  85
  86                 // Add context menu to tree
  87                 MenuManager menuMgr = new MenuManager();
  88                 menuMgr.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
  89                 getSite().registerContextMenu(menuMgr, viewer);
  90
  91                 Control control = viewer.getControl();
  92                 Menu menu = menuMgr.createContextMenu(control);
  93                 control.setMenu(menu);
  94
  95         }
  96
  97         /* (non-Javadoc)
  98          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getInitialSelection()
  99          */
 100         /** {@inheritDoc} */
 101         @Override
 102         protected ISelection getInitialSelection() {
 103                 if(getEditor() != null){
 104                         return new StructuredSelection(getEditor().getEditorInput());
 105                 }
 106
 107                 return super.getInitialSelection();
 108         }
 109
 110         /** {@inheritDoc} */
 111         @Override
 112     protected void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
 113             if(part==this){
 114                 return;
 115             }
 116                 if(AbstractUtility.getActiveEditor() == null){
 117                         showEmptyPage();
 118                         return;
 119                 }
 120
 121         if(part instanceof DetailsViewPart || part instanceof SupplementalDataViewPart){
 122             // do not show empty page as these views are also used to edit the description selected in this view
 123             return;
 124         }
 125
 126                 if(part instanceof IPartContentHasMedia){
 127                     if(part instanceof MultiPageTaxonEditor){
 128                         IEditorInput input = ((IEditorPart) part).getEditorInput();
 129                         showViewer(part, new StructuredSelection(input));
 130                     }
 131                     else if(selection instanceof IStructuredSelection
 132                                 && ((IStructuredSelection) selection).getFirstElement() instanceof IDescribable<?>
 133                                 && part instanceof IPartContentHasFactualData  && !(((IStructuredSelection) selection).getFirstElement() instanceof SpecimenOrObservationBase && part instanceof BulkEditor)){
 134                         Object firstElement = ((IStructuredSelection) selection).getFirstElement();
 135                         if(firstElement instanceof TreeNode){
 136                             showViewer(part, new StructuredSelection(((TreeNode) firstElement).getValue()));
 137                         }
 138                         else{
 139                             showViewer(part, (IStructuredSelection) selection);
 140                         }
 141                     }else{
 142                         showEmptyPage();
 143                     }
 144                 }
 145                 else{
 146                     showEmptyPage();
 147                 }
 148         }
 149
 150         /** {@inheritDoc} */
 151         @Override
 152         public void changed(Object object) {
 153                 viewer.refresh();
 154                 //TODO: should be replaced with the possibility to set views dirty
 155                 // when we move to Eclipse 4
 156                 // take a look at ISaveblePart
 157                 if(part instanceof BulkEditor && !(object instanceof SpecimenOrObservationBase<?>)){
 158                     ((BulkEditor) part).forceDirty();
 159                 }
 160                 super.changed(object);
 161         }
 162
 163         /** {@inheritDoc} */
 164         @Override
 165         public Viewer getViewer() {
 166                 return viewer;
 167         }
 168
 169         /**
 170          * <p>onComplete</p>
 171          *
 172          * @return a boolean.
 173          */
 174         @Override
 175     public boolean onComplete() {
 176                 return true;
 177         }
 178 }