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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor.view.media;
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import org.eclipse.jface.action.GroupMarker;
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import org.eclipse.jface.action.MenuManager;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.jface.viewers.TreeNode;
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import org.eclipse.jface.viewers.TreeViewer;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Control;
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import org.eclipse.swt.widgets.Menu;
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import org.eclipse.swt.widgets.Tree;
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import org.eclipse.ui.IWorkbenchActionConstants;
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import org.eclipse.ui.IWorkbenchPart;
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import eu.etaxonomy.cdm.model.description.IDescribable;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
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import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveViewPart;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
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import eu.etaxonomy.taxeditor.model.IPartContentHasMedia;
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import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
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import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
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import eu.etaxonomy.taxeditor.view.detail.DetailsViewPart;
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import eu.etaxonomy.taxeditor.view.supplementaldata.SupplementalDataViewPart;
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/**
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* @author n.hoffmann
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* @created Jun 15, 2010
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* @version 1.0
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*/
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public class MediaViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
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public static final String ID = "eu.etaxonomy.taxeditor.editor.view.media";
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private TreeViewer viewer;
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/** {@inheritDoc} */
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@Override
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public void createViewer(Composite parent) {
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viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL
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| SWT.V_SCROLL | SWT.FULL_SELECTION));
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viewer.setContentProvider(new MediaContentProvider());
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viewer.setLabelProvider(new MediaLabelProvider());
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viewer.setAutoExpandLevel(2);
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// Propagate selection from viewer
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getSite().setSelectionProvider(viewer);
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// Add context menu to tree
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MenuManager menuMgr = new MenuManager();
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menuMgr.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
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getSite().registerContextMenu(menuMgr, viewer);
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Control control = viewer.getControl();
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Menu menu = menuMgr.createContextMenu(control);
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control.setMenu(menu);
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}
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/** {@inheritDoc} */
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@Override
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protected ISelection getInitialSelection() {
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if(getEditor() != null){
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return new StructuredSelection(getEditor().getEditorInput());
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}
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return super.getInitialSelection();
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}
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/** {@inheritDoc} */
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@Override
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protected void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
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if(part==this){
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return;
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}
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if(AbstractUtility.getActiveEditor() == null){
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showEmptyPage();
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return;
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}
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if (part instanceof DetailsViewPart || part instanceof SupplementalDataViewPart
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|| part instanceof DescriptiveViewPart) {
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// do not show empty page as these views are also used to edit the
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// description selected in this view
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return;
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}
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if(part instanceof IPartContentHasMedia && ((IPartContentHasMedia) part).canAttachMedia()){
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if(selection instanceof IStructuredSelection){
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Object firstElement = ((IStructuredSelection) selection).getFirstElement();
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if(firstElement instanceof TreeNode){
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showViewer(part, new StructuredSelection(((TreeNode) firstElement).getValue()));
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return;
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}
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else if(firstElement!=null
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&& firstElement instanceof IDescribable<?>){
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showViewer(part, (IStructuredSelection) selection);
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return;
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}
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}
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}
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showEmptyPage();
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}
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/** {@inheritDoc} */
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@Override
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public void changed(Object object) {
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viewer.expandToLevel(2);
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viewer.refresh();
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if(object != null){
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StructuredSelection selection = new StructuredSelection(object);
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viewer.setSelection(selection, true);
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}
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//TODO: should be replaced with the possibility to set views dirty
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// when we move to Eclipse 4
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// take a look at ISaveblePart
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if(part instanceof BulkEditor && !(object instanceof SpecimenOrObservationBase<?>)){
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((BulkEditor) part).forceDirty();
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}
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super.changed(object);
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}
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/** {@inheritDoc} */
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@Override
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public Viewer getViewer() {
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return viewer;
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}
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@Override
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public boolean onComplete() {
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return true;
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}
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}
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