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