EDIT

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.editor.view.descriptive.e4;

import java.util.Arrays;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import javax.annotation.PostConstruct;

import org.eclipse.e4.core.contexts.IEclipseContext;

import org.eclipse.e4.ui.di.UIEventTopic;

import org.eclipse.e4.ui.services.EMenuService;

import org.eclipse.jface.viewers.ITreeContentProvider;

import org.eclipse.jface.viewers.StructuredSelection;

import org.eclipse.swt.dnd.DND;

import org.eclipse.swt.dnd.Transfer;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Tree;

import eu.etaxonomy.cdm.model.common.CdmBase;

import eu.etaxonomy.cdm.model.description.DescriptionBase;

import eu.etaxonomy.cdm.model.description.DescriptionElementBase;

import eu.etaxonomy.cdm.model.description.IDescribable;

import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptionElementDropAdapter;

import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptionElementTransfer;

import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveContentProvider;

import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveLabelProvider;

import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveViewerSorter;

import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;

import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;

import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;

import eu.etaxonomy.taxeditor.session.ICdmEntitySession;

import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;

import eu.etaxonomy.taxeditor.view.e4.AbstractCdmEditorPartE4;

import eu.etaxonomy.taxeditor.view.e4.details.DetailsPartE4;

import eu.etaxonomy.taxeditor.view.e4.supplementaldata.SupplementalDataPartE4;

/**

 * @author pplitzner

 * @date 15.08.2017

 */

public class FactualDataPartE4 extends AbstractCdmEditorPartE4

    /**

     * Maps {@link FeatureNodeContainerTree} to their corresponding {@link TaxonDescritpion}.<br>

     * This serves as input for the {@link ITreeContentProvider} of the {@link TreeViewer}

     */

    protected int dndOperations = DND.DROP_COPY | DND.DROP_MOVE;

    private DescriptiveContentProvider provider;

    @PostConstruct

            IEclipseContext context) {

        this.thisPart = thisPart;

        treeViewer.setContentProvider(provider);

        treeViewer.setLabelProvider(new DescriptiveLabelProvider());

        treeViewer.setSorter(new DescriptiveViewerSorter());

        Transfer[] transfers = new Transfer[] { DescriptionElementTransfer.getInstance() };

        treeViewer.addDragSupport(dndOperations, transfers, new DescriptionElementDragListener(

                this));

        viewer = treeViewer;

        // Propagate selection from viewer

        ContextInjectionFactory.inject(dropListener, context);

                dropListener);

        menuService.registerContextMenu(viewer.getControl(), "eu.etaxonomy.taxeditor.editor.popupmenu.factualDataView");

    }

    public void selectionChanged_internal(Object selection, MPart activePart, MPart thisPart) {

            return;

        }

        Object partObject = createPartObject(activePart);

        if ((partObject instanceof DetailsPartE4 && !(selection instanceof TaxonName))|| partObject instanceof SupplementalDataPartE4

            // description selected in this view

            return;

        }

            if(structuredSelection==null || structuredSelection.isEmpty()){

                showEmptyPage();

                return;

            }

                if (firstElement != ((TaxonNameEditorE4)partObject).getTaxon()){

                    return;

                }

            }

                firstElement = ((TreeNode) firstElement).getValue();

            }

                && partObject instanceof IPartContentHasFactualData

                   // && !(firstElement instanceof TaxonName && partObject instanceof BulkEditor)){

                }else{

                    thisPart.setLabel(Messages.FactualDataView_Lable);

                }

                    this.viewer.getControl().setEnabled(isEnabled());

                }

            }

        }

        showEmptyPage();

        return;

    }

    @Override

    protected String getViewName(){

        return Messages.DescriptiveViewPart_FACTUAL_DATA;

    }

    @Override

    public void changed(Object object) {

        if (!viewer.getControl().isDisposed()){

            expandedObjects = ((TreeViewer)viewer).getExpandedElements();

            return;

            containerTree.buildTree();

        }

            DescriptionElementBase descriptionElement = (DescriptionElementBase) object;

            FeatureNodeContainer featureNodeContainer = containerTree.getFeatureNodeContainerForDescriptionElement(descriptionElement);

                containerTree = new FeatureNodeContainerTree(description, provider.getFeatureTree(description));

                featureNodeContainerCache.put(description, containerTree);

                featureNodeContainer = containerTree.getFeatureNodeContainerForDescriptionElement(descriptionElement);

            }

            viewer.setSelection(selection, true);

        }

    @Optional

    private void updateView(@UIEventTopic(WorkbenchEventConstants.SAVE_TAXON)boolean refresh){

        if(refresh){

            if (expandedObjects.length>0){

                ((TreeViewer)viewer).setExpandedElements(expandedObjects);

            }

    }

    @Optional

    private void updateView(@UIEventTopic(WorkbenchEventConstants.CURRENT_ACTIVE_EDITOR)ITaxonEditor editor){

        if(editor == null){

            featureNodeContainerCache.clear();

        }

    }

     * {@inheritDoc}

     */

    @Override

    public void collapse() {

        if(viewer instanceof TreeViewer) {

            ((TreeViewer) viewer).collapseAll();

        }

    }

     * {@inheritDoc}

     */

    @Override

    public void expand() {

        if(viewer instanceof TreeViewer) {

            ((TreeViewer) viewer).expandAll();

        }

    }

        provider.toggleShowOnlyIndividualAssociations();

        viewer.refresh();

    }

    @Override

    public ICdmEntitySession getCdmEntitySession() {

        if(selectionProvidingPart != null && selectionProvidingPart instanceof ICdmEntitySessionEnabled) {

        return null;

    }

    @Override

    }

    @Override

    public Map<Object, List<String>> getPropertyPathsMap() {

        return null;

    }

    protected void showViewer(IStructuredSelection selection, MPart activePart, Viewer viewer){

        Object[] expandedObjects = null;

        if (!((TreeViewer)this.getViewer()).getControl().isDisposed()){

            expandedObjects = ((TreeViewer)this.getViewer()).getExpandedElements();

        }

        super.showViewer(selection, activePart, viewer);

        if (expandedObjects == null || expandedObjects.length == 0){

            ((TreeViewer)this.viewer).expandToLevel(2);

        }else{

            ((TreeViewer)this.viewer).setExpandedElements(expandedObjects);

        }

    }