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.EditorUtil;
  34 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  35 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
  36 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  37 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  38 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  39 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  40
  41 /**
  42  * <p>MediaViewPart class.</p>
  43  *
  44  * @author n.hoffmann
  45  * @created Jun 15, 2010
  46  * @version 1.0
  47  */
  48 public class MediaViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
  49
  50         /** Constant <code>ID="eu.etaxonomy.taxeditor.editor.view.medi"{trunked}</code> */
  51         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.media";
  52
  53         private TreeViewer viewer;
  54
  55         /*
  56          * (non-Javadoc)
  57          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#createViewer(org.eclipse.swt.widgets.Composite)
  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                 control.setMenu(menu);
  81
  82         }
  83
  84         /* (non-Javadoc)
  85          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getInitialSelection()
  86          */
  87         /** {@inheritDoc} */
  88         @Override
  89         protected ISelection getInitialSelection() {
  90                 if(getEditor() != null){
  91                         return new StructuredSelection(getEditor().getEditorInput());
  92                 }
  93
  94                 return super.getInitialSelection();
  95         }
  96
  97         /** {@inheritDoc} */
  98         @Override
  99     protected void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
 100                 if(AbstractUtility.getActiveEditor() == null){
 101                         showEmptyPage();
 102                         return;
 103                 }
 104
 105                 if(part instanceof MultiPageTaxonEditor){
 106                         IEditorInput input = ((IEditorPart) part).getEditorInput();
 107                         showViewer(part, new StructuredSelection(input));
 108                 }
 109
 110                 else if(part instanceof BulkEditor && selection instanceof IStructuredSelection){
 111                         showViewer(part, (IStructuredSelection) selection);
 112                 }
 113
 114                 else if(part instanceof DerivateView){
 115                     TreeNode treeNode = EditorUtil.getTreeNodeOfSelection(selection);
 116                     if(treeNode!=null){
 117                         showViewer(part, new StructuredSelection(treeNode.getValue()));
 118                     }
 119         }
 120         }
 121
 122         /** {@inheritDoc} */
 123         @Override
 124         public void changed(Object object) {
 125                 viewer.refresh();
 126                 //TODO: should be replaced with the possibility to set views dirty
 127                 // when we move to Eclipse 4
 128                 if(part instanceof BulkEditor && !(object instanceof SpecimenOrObservationBase<?>)){
 129                     ((BulkEditor) part).forceDirty();
 130                 }
 131                 super.changed(object);
 132         }
 133
 134         /** {@inheritDoc} */
 135         @Override
 136         public Viewer getViewer() {
 137                 return viewer;
 138         }
 139
 140         /**
 141          * <p>onComplete</p>
 142          *
 143          * @return a boolean.
 144          */
 145         @Override
 146     public boolean onComplete() {
 147                 return true;
 148         }
 149 }