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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.descriptive;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import org.eclipse.jface.action.Action;
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import org.eclipse.jface.action.GroupMarker;
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import org.eclipse.jface.action.IAction;
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import org.eclipse.jface.action.IToolBarManager;
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import org.eclipse.jface.action.MenuManager;
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import org.eclipse.jface.resource.ImageDescriptor;
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import org.eclipse.jface.viewers.DoubleClickEvent;
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import org.eclipse.jface.viewers.IDoubleClickListener;
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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.ITreeContentProvider;
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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.TreeSelection;
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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.dnd.DND;
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import org.eclipse.swt.dnd.Transfer;
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import org.eclipse.swt.graphics.ImageData;
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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 org.eclipse.ui.PartInitException;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.description.DescriptionBase;
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import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
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import eu.etaxonomy.cdm.model.description.IDescribable;
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import eu.etaxonomy.cdm.model.description.IndividualsAssociation;
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.view.checklist.ChecklistEditor;
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import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
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import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateViewEditorInput;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainerTree;
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import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
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import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
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import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
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import eu.etaxonomy.taxeditor.model.ImageResources;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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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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* <p>DescriptiveViewPart class.</p>
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*
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* @author n.hoffmann
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* @created Jun 9, 2010
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* @version 1.0
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*/
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public class DescriptiveViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
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/** Constant <code>ID="eu.etaxonomy.taxeditor.editor.view.desc"{trunked}</code> */
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public static final String ID = "eu.etaxonomy.taxeditor.editor.view.descriptive";
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protected TreeViewer viewer;
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/**
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* Maps {@link FeatureNodeContainerTree} to their corresponding {@link TaxonDescritpion}.<br>
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* This serves as input for the {@link ITreeContentProvider} of the {@link TreeViewer}
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*/
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protected Map<DescriptionBase<?>, FeatureNodeContainerTree> featureNodeContainerCache = new HashMap<DescriptionBase<?>, FeatureNodeContainerTree>();
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protected ToggleDescriptionAction showAllElementsAction;
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protected ToggleDescriptionAction hideAllElementsAction;
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protected int dndOperations = DND.DROP_COPY | DND.DROP_MOVE;
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private DescriptiveContentProvider provider;
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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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provider = new DescriptiveContentProvider(featureNodeContainerCache);
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viewer.setContentProvider(provider);
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viewer.setLabelProvider(new DescriptiveLabelProvider());
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viewer.setSorter(new DescriptiveViewerSorter());
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viewer.setAutoExpandLevel(2);
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Transfer[] transfers = new Transfer[] { DescriptionElementTransfer.getInstance() };
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viewer.addDragSupport(dndOperations, transfers, new DescriptionElementDragListener(
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this));
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viewer.addDropSupport(dndOperations, transfers,
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new DescriptionElementDropAdapter(viewer));
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// Propagate selection from viewer
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getSite().setSelectionProvider(viewer);
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showAllElementsAction = new ToggleDescriptionAction(false);
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hideAllElementsAction = new ToggleDescriptionAction(true);
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// Add context menu to tree
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createMenu();
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createToolbar();
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// set initial input
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// if(getEditor() != null){
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// viewer.setInput(getEditor().getEditorInput());
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// }
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viewer.addDoubleClickListener(new IDoubleClickListener() {
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@Override
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public void doubleClick(DoubleClickEvent event) {
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//Open derivate editor when specimen description element is double clicked
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TreeSelection selection = (TreeSelection) viewer.getSelection();
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if(selection.getFirstElement() instanceof IndividualsAssociation){
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SpecimenOrObservationBase specimen = ((IndividualsAssociation)selection.getFirstElement()).getAssociatedSpecimenOrObservation();
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if(specimen!=null){
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try {
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EditorUtil.open(new DerivateViewEditorInput(Collections.singleton(specimen.getUuid())));
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} catch (PartInitException e) {
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MessagingUtils.error(DescriptiveViewPart.class, "Could not open Derivate Editor", e);
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}
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}
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//TODO: extend command to accept parameter to open editor
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// String commandId = "eu.etaxonomy.taxeditor.editor.handler.openDerivateView";
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// IHandlerService handlerService = (IHandlerService) AbstractUtility.getService(IHandlerService.class);
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// try {
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// handlerService.executeCommand(commandId, null);
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// } catch (ExecutionException e) {
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// MessagingUtils.error(DerivateSearchCompositeController.class, e);
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// } catch (NotDefinedException e) {
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// MessagingUtils.error(DerivateSearchCompositeController.class, e);
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// } catch (NotEnabledException e) {
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// MessagingUtils.error(DerivateSearchCompositeController.class, e);
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// } catch (NotHandledException e) {
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// MessagingUtils.error(DerivateSearchCompositeController.class, e);
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// }
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}
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}
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});
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getInitialSelection()
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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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protected void createToolbar() {
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IToolBarManager toolBarManager = getViewSite().getActionBars().getToolBarManager();
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toolBarManager.add(showAllElementsAction);
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toolBarManager.add(hideAllElementsAction);
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}
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/*
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* TODO add to the views menu
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*/
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protected void createMenu(){
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MenuManager menuManager = new MenuManager();
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menuManager.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
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getSite().registerContextMenu(menuManager, viewer);
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// FIXME for some reason this is not working
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menuManager.add(showAllElementsAction);
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menuManager.add(hideAllElementsAction);
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Control control = viewer.getControl();
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Menu menu = menuManager.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 void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
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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 == this){
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return;
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}
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if(part instanceof DetailsViewPart || part instanceof SupplementalDataViewPart){
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// do not show empty page as these views are also used to edit the description selected in this view
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return;
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}
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// unpackage TreeNode of DerivateView
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else if(part instanceof DerivateView){
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TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(selection);
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if(treeNodeOfSelection!=null){
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selection = new StructuredSelection(treeNodeOfSelection.getValue());
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}
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}
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else if(part instanceof ChecklistEditor){
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if(selection instanceof StructuredSelection && ((IStructuredSelection) selection).getFirstElement() instanceof Taxon){
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Taxon taxon = (Taxon)((IStructuredSelection) selection).getFirstElement();
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selection = new StructuredSelection(taxon);
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}
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}
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if(selection instanceof IStructuredSelection
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&& ((IStructuredSelection) selection).getFirstElement() instanceof IDescribable<?>
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&& part instanceof IPartContentHasFactualData){
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featureNodeContainerCache.clear();
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showViewer(part, (IStructuredSelection) selection);
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return;
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}
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else{
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showEmptyPage();
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}
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}
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/**
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*
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* @author n.hoffmann
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* @created May 28, 2010
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* @version 1.0
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*/
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protected class ToggleDescriptionAction extends Action{
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private final boolean expanded;
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public ToggleDescriptionAction(boolean expand){
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super(null, IAction.AS_PUSH_BUTTON);
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expanded = expand;
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setImageAndTooltip();
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}
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private void setImageAndTooltip(){
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setImageDescriptor(new ImageDescriptor() {
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@Override
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public ImageData getImageData() {
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setText(expanded ? "Collapse All" : "Expand All");
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String resource = expanded ? ImageResources.COLLAPSE_ALL : ImageResources.EXPAND_ALL;
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return ImageResources.getImage(resource).getImageData();
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}
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});
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String toolTipText = expanded ? "Collapse all" : "Show all factual data";
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setToolTipText(toolTipText);
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}
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@Override
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public void run() {
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if(expanded){
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viewer.collapseAll();
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}else{
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viewer.expandAll();
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}
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setImageAndTooltip();
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}
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}
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/** {@inheritDoc} */
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@Override
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public boolean postOperation(CdmBase objectAffectedByOperation) {
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return super.postOperation(objectAffectedByOperation);
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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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for(FeatureNodeContainerTree containerTree : featureNodeContainerCache.values()){
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containerTree.buildTree();
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}
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viewer.refresh();
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if(object instanceof DescriptionElementBase){
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DescriptionElementBase descriptionElement = (DescriptionElementBase) object;
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DescriptionBase description = descriptionElement.getInDescription();
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FeatureNodeContainerTree containerTree = featureNodeContainerCache.get(description);
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FeatureNodeContainer featureNodeContainer = containerTree.getFeatureNodeContainerForDescriptionElement(descriptionElement);
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viewer.expandToLevel(featureNodeContainer, 1);
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}
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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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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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/**
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* <p>onComplete</p>
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*
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* @return a boolean.
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*/
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@Override
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public boolean onComplete() {
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return false;
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}
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public void toggleShowOnlyIndividualAssociations(){
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provider.toggleShowOnlyIndividualAssociations();
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viewer.refresh();
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}
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}
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