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.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.IEditorInput;
  26 import org.eclipse.ui.IEditorPart;
  27 import org.eclipse.ui.IWorkbenchActionConstants;
  28 import org.eclipse.ui.IWorkbenchPart;
  29
  30 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  31 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  32 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  33 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  34 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  35 import eu.etaxonomy.taxeditor.model.IPartContentHasMedia;
  36 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  37 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  38
  39 /**
  40  * <p>MediaViewPart class.</p>
  41  *
  42  * @author n.hoffmann
  43  * @created Jun 15, 2010
  44  * @version 1.0
  45  */
  46 public class MediaViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
  47
  48         /** Constant <code>ID="eu.etaxonomy.taxeditor.editor.view.medi"{trunked}</code> */
  49         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.media";
  50
  51         private TreeViewer viewer;
  52
  53         /*
  54          * (non-Javadoc)
  55          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#createViewer(org.eclipse.swt.widgets.Composite)
  56          */
  57         /** {@inheritDoc} */
  58         @Override
  59         public void createViewer(Composite parent) {
  60
  61                 viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL
  62                                 | SWT.V_SCROLL | SWT.FULL_SELECTION));
  63
  64                 viewer.setContentProvider(new MediaContentProvider());
  65                 viewer.setLabelProvider(new MediaLabelProvider());
  66                 viewer.setAutoExpandLevel(2);
  67
  68                 // Propagate selection from viewer
  69                 getSite().setSelectionProvider(viewer);
  70
  71                 // Add context menu to tree
  72                 MenuManager menuMgr = new MenuManager();
  73                 menuMgr.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
  74                 getSite().registerContextMenu(menuMgr, viewer);
  75
  76                 Control control = viewer.getControl();
  77                 Menu menu = menuMgr.createContextMenu(control);
  78                 control.setMenu(menu);
  79
  80         }
  81
  82         /* (non-Javadoc)
  83          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getInitialSelection()
  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(AbstractUtility.getActiveEditor() == null){
  99                         showEmptyPage();
 100                         return;
 101                 }
 102
 103                 if(part instanceof MultiPageTaxonEditor){
 104                         IEditorInput input = ((IEditorPart) part).getEditorInput();
 105                         showViewer(part, new StructuredSelection(input));
 106                 }
 107
 108                 else if(part instanceof IPartContentHasMedia && selection instanceof IStructuredSelection){
 109                         showViewer(part, (IStructuredSelection) selection);
 110                 }
 111         }
 112
 113         /** {@inheritDoc} */
 114         @Override
 115         public void changed(Object object) {
 116                 viewer.refresh();
 117                 //TODO: should be replaced with the possibility to set views dirty
 118                 // when we move to Eclipse 4
 119                 if(part instanceof BulkEditor && !(object instanceof SpecimenOrObservationBase<?>)){
 120                     ((BulkEditor) part).forceDirty();
 121                 }
 122                 super.changed(object);
 123         }
 124
 125         /** {@inheritDoc} */
 126         @Override
 127         public Viewer getViewer() {
 128                 return viewer;
 129         }
 130
 131         /**
 132          * <p>onComplete</p>
 133          *
 134          * @return a boolean.
 135          */
 136         @Override
 137     public boolean onComplete() {
 138                 return true;
 139         }
 140 }