eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/media/MediaViewPart.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
  10 package eu.etaxonomy.taxeditor.editor.view.media;
  11
  12 import org.eclipse.jface.action.GroupMarker;
  13 import org.eclipse.jface.action.MenuManager;
  14 import org.eclipse.jface.viewers.ISelection;
  15 import org.eclipse.jface.viewers.IStructuredSelection;
  16 import org.eclipse.jface.viewers.StructuredSelection;
  17 import org.eclipse.jface.viewers.TreeNode;
  18 import org.eclipse.jface.viewers.TreeViewer;
  19 import org.eclipse.jface.viewers.Viewer;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.widgets.Composite;
  22 import org.eclipse.swt.widgets.Control;
  23 import org.eclipse.swt.widgets.Menu;
  24 import org.eclipse.swt.widgets.Tree;
  25 import org.eclipse.ui.IEditorPart;
  26 import org.eclipse.ui.ISaveablePart;
  27 import org.eclipse.ui.IWorkbenchActionConstants;
  28 import org.eclipse.ui.IWorkbenchPart;
  29 import org.eclipse.ui.internal.E4PartWrapper;
  30
  31 import eu.etaxonomy.cdm.ext.occurrence.gbif.GbifResponse;
  32 import eu.etaxonomy.cdm.model.description.IDescribable;
  33 import eu.etaxonomy.cdm.model.occurrence.DerivedUnit;
  34 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  35 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  36 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  37 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveViewPart;
  38 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  39 import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
  40 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  41 import eu.etaxonomy.taxeditor.model.IPartContentHasMedia;
  42 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  43 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  44 import eu.etaxonomy.taxeditor.view.detail.DetailsViewPart;
  45 import eu.etaxonomy.taxeditor.view.supplementaldata.SupplementalDataViewPart;
  46
  47 /**
  48  * @author n.hoffmann
  49  * @created Jun 15, 2010
  50  * @version 1.0
  51  */
  52 public class MediaViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
  53
  54         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.media"; //$NON-NLS-1$
  55
  56
  57         private TreeViewer viewer;
  58
  59         /** {@inheritDoc} */
  60         @Override
  61         public void createViewer(Composite parent) {
  62
  63                 viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL
  64                                 | SWT.V_SCROLL | SWT.FULL_SELECTION));
  65
  66                 viewer.setContentProvider(new MediaContentProvider());
  67                 viewer.setLabelProvider(new MediaLabelProvider());
  68                 viewer.setAutoExpandLevel(2);
  69
  70                 // Propagate selection from viewer
  71                 getSite().setSelectionProvider(viewer);
  72
  73                 // Add context menu to tree
  74                 MenuManager menuMgr = new MenuManager();
  75                 menuMgr.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
  76                 getSite().registerContextMenu(menuMgr, viewer);
  77
  78                 Control control = viewer.getControl();
  79                 Menu menu = menuMgr.createContextMenu(control);
  80                 menuMgr.setRemoveAllWhenShown(true);
  81                 control.setMenu(menu);
  82
  83         }
  84
  85         /** {@inheritDoc} */
  86         @Override
  87         protected ISelection getInitialSelection() {
  88                 if(getEditor() != null){
  89                         return new StructuredSelection(getEditor().getEditorInput());
  90                 }
  91
  92                 return super.getInitialSelection();
  93         }
  94
  95         /** {@inheritDoc} */
  96         @Override
  97     protected void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
  98             if(part==this){
  99                 return;
 100             }
 101 //              if(AbstractUtility.getActiveE4Editor() == null){
 102 //                      showEmptyPage();
 103 //                      return;
 104 //              }
 105
 106
 107         if (part instanceof DetailsViewPart || part instanceof SupplementalDataViewPart
 108                 || part instanceof DescriptiveViewPart) {
 109             // do not show empty page as these views are also used to edit the
 110             // description selected in this view
 111             return;
 112         }
 113
 114                 if(part instanceof IPartContentHasMedia && ((IPartContentHasMedia) part).canAttachMedia() ){
 115                     if(selection instanceof IStructuredSelection){
 116                         Object firstElement = ((IStructuredSelection) selection).getFirstElement();
 117                         if(firstElement instanceof TreeNode){
 118                             showViewer(part, new StructuredSelection(((TreeNode) firstElement).getValue()));
 119                             return;
 120                         }
 121                         else if(firstElement!=null
 122                             && firstElement instanceof IDescribable<?>){
 123                             showViewer(part, (IStructuredSelection) selection);
 124                             return;
 125                         }
 126                     }
 127                 }
 128                 if (selection instanceof IStructuredSelection){
 129                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
 130                         if(structuredSelection.getFirstElement() instanceof TreeNode){
 131                                         if (((TreeNode)structuredSelection.getFirstElement()).getValue() instanceof SpecimenOrObservationBase){
 132                                     structuredSelection = new StructuredSelection(((TreeNode)structuredSelection.getFirstElement()).getValue());
 133                                     showViewer(part, structuredSelection);
 134                                     return;
 135                                 }
 136                         }
 137                 }
 138
 139                 showEmptyPage();
 140         }
 141
 142         /** {@inheritDoc} */
 143         @Override
 144         public void changed(Object object) {
 145             viewer.expandToLevel(2);
 146             viewer.refresh();
 147             if(object != null){
 148                 StructuredSelection selection = new StructuredSelection(object);
 149                 viewer.setSelection(selection, true);
 150             }
 151             //TODO: should be replaced with the possibility to set views dirty
 152             // when we move to Eclipse 4
 153             // take a look at ISaveblePart
 154             if(part instanceof BulkEditor && !(object instanceof SpecimenOrObservationBase<?>)){
 155                 ((BulkEditor) part).forceDirty();
 156                 IStructuredSelection selection = (IStructuredSelection) ((BulkEditor) part).getSelectionProvider().getSelection();
 157             ((BulkEditor) part).changed(selection.getFirstElement());
 158
 159             }
 160             if (part instanceof E4PartWrapper){
 161                 part = AbstractUtility.getE4WrappedPart(part);
 162                 if (part instanceof IDirtyMarkable){
 163                          StructuredSelection selection = new StructuredSelection(object);
 164                         ((IDirtyMarkable)part).changed(selection.getFirstElement());
 165                 }
 166             }
 167
 168
 169             super.changed(object);
 170         }
 171
 172         /** {@inheritDoc} */
 173         @Override
 174         public Viewer getViewer() {
 175                 return viewer;
 176         }
 177
 178         @Override
 179     public boolean onComplete() {
 180                 return true;
 181         }
 182
 183         @Override
 184         protected String getViewName() {
 185                 return Messages.MediaViewPart_MEDIA;
 186         }
 187 }