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.taxeditor.bulkeditor.BulkEditor;
  31 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  32 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  33 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  34 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  35 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  36
  37 /**
  38  * <p>MediaViewPart class.</p>
  39  *
  40  * @author n.hoffmann
  41  * @created Jun 15, 2010
  42  * @version 1.0
  43  */
  44 public class MediaViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
  45
  46         /** Constant <code>ID="eu.etaxonomy.taxeditor.editor.view.medi"{trunked}</code> */
  47         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.media";
  48
  49         private TreeViewer viewer;
  50
  51         /*
  52          * (non-Javadoc)
  53          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#createViewer(org.eclipse.swt.widgets.Composite)
  54          */
  55         /** {@inheritDoc} */
  56         @Override
  57         public void createViewer(Composite parent) {
  58
  59                 viewer = new TreeViewer(new Tree(parent, SWT.NULL));
  60
  61                 viewer.setContentProvider(new MediaContentProvider());
  62                 viewer.setLabelProvider(new MediaLabelProvider());
  63                 viewer.setAutoExpandLevel(2);
  64
  65                 // Propagate selection from viewer
  66                 getSite().setSelectionProvider(viewer);
  67
  68                 // Add context menu to tree
  69                 MenuManager menuMgr = new MenuManager();
  70                 menuMgr.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
  71                 getSite().registerContextMenu(menuMgr, viewer);
  72
  73                 Control control = viewer.getControl();
  74                 Menu menu = menuMgr.createContextMenu(control);
  75                 control.setMenu(menu);
  76
  77         }
  78
  79         /* (non-Javadoc)
  80          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getInitialSelection()
  81          */
  82         /** {@inheritDoc} */
  83         @Override
  84         protected ISelection getInitialSelection() {
  85                 if(getEditor() != null){
  86                         return new StructuredSelection(getEditor().getEditorInput());
  87                 }
  88
  89                 return super.getInitialSelection();
  90         }
  91
  92         /** {@inheritDoc} */
  93         public void selectionChanged(IWorkbenchPart part, ISelection selection) {
  94                 if(EditorUtil.getActiveEditor() == null){
  95                         showEmptyPage();
  96                         return;
  97                 }
  98
  99                 if(part instanceof MultiPageTaxonEditor){
 100                         IEditorInput input = ((IEditorPart) part).getEditorInput();
 101                         showViewer(part, new StructuredSelection(input));
 102                 }
 103
 104                 if(part instanceof BulkEditor && selection instanceof IStructuredSelection){
 105                         showViewer(part, (IStructuredSelection) selection);
 106                 }
 107         }
 108
 109         /** {@inheritDoc} */
 110         @Override
 111         public void changed(Object object) {
 112                 viewer.refresh();
 113                 super.changed(object);
 114         }
 115
 116         /** {@inheritDoc} */
 117         @Override
 118         public Viewer getViewer() {
 119                 return viewer;
 120         }
 121
 122         /**
 123          * <p>onComplete</p>
 124          *
 125          * @return a boolean.
 126          */
 127         public boolean onComplete() {
 128                 return true;
 129         }
 130 }