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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.concept;
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import java.util.Map.Entry;
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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.ListViewer;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.jface.viewers.ViewerSorter;
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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.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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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.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
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import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
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import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
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import eu.etaxonomy.taxeditor.editor.key.AbstractGraphKeyEditor;
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import eu.etaxonomy.taxeditor.editor.view.media.MediaViewPart;
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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.IPartContentHasSupplementalData;
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import eu.etaxonomy.taxeditor.model.LineSelection;
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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 Jan 24, 2011
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* @version 1.0
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*/
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public class ConceptViewPart extends AbstractCdmEditorViewPart
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implements IPartContentHasDetails, IPartContentHasSupplementalData{
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public static final String ID = "eu.etaxonomy.taxeditor.editor.view.concept";
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private ConceptRelationViewer viewer;
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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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// 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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else if(part instanceof BulkEditor && selection instanceof LineSelection){
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if(((LineSelection) selection).getFirstElement() instanceof Taxon){
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showViewer(part, (LineSelection) selection);
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}
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else{
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showEmptyPage();
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}
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return;
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}
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else if(part instanceof AbstractGraphKeyEditor){
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showEmptyPage();
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return;
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}
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else if(part instanceof MultiPageTaxonEditor){
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if(! part.equals(this.part)){
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IEditorInput input = ((IEditorPart) part).getEditorInput();
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showViewer(part, new StructuredSelection(input));
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}
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else{
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showViewer();
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}
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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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@Override
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public boolean onComplete() {
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return true;
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}
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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 void createViewer(Composite parent) {
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viewer = new ConceptRelationViewer(parent);
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viewer.setContentProvider(new ConceptContentProvider());
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viewer.setLabelProvider(new ConceptLabelProvider());
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viewer.setSorter(new ViewerSorter());
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getSite().setSelectionProvider(viewer);
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createMenu();
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}
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private 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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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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@Override
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public void changed(Object object) {
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getViewer().refresh();
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super.changed(object);
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}
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private class ConceptRelationViewer extends ListViewer {
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public ConceptRelationViewer(Composite parent) {
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super(parent);
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}
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@Override
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public ISelection getSelection() {
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ISelection selection = super.getSelection();
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if(selection instanceof IStructuredSelection && !selection.isEmpty()){
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Object firstElement = ((IStructuredSelection) selection).getFirstElement();
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TaxonRelationship taxonRelationship = ((Entry<TaxonRelationship, Taxon>)firstElement).getKey();
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return new StructuredSelection(taxonRelationship);
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}
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return selection;
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}
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@Override
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public void setSelection(ISelection selection) {
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super.setSelection(selection);
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}
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}
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}
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