EDIT

// $Id$

/**

 * Copyright (C) 2014 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.ui.section.occurrence.association;

import java.util.ArrayList;

import java.util.Collection;

import java.util.HashSet;

import java.util.Set;

import org.eclipse.core.commands.Command;

import org.eclipse.core.commands.ExecutionException;

import org.eclipse.core.commands.IParameter;

import org.eclipse.core.commands.NotEnabledException;

import org.eclipse.core.commands.NotHandledException;

import org.eclipse.core.commands.Parameterization;

import org.eclipse.core.commands.ParameterizedCommand;

import org.eclipse.core.commands.common.NotDefinedException;

import org.eclipse.jface.viewers.ArrayContentProvider;

import org.eclipse.jface.viewers.DoubleClickEvent;

import org.eclipse.jface.viewers.IDoubleClickListener;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.viewers.TableViewer;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Label;

import org.eclipse.ui.IWorkbenchWindow;

import org.eclipse.ui.PlatformUI;

import org.eclipse.ui.commands.ICommandService;

import org.eclipse.ui.handlers.IHandlerService;

import eu.etaxonomy.cdm.api.facade.DerivedUnitFacade;

import eu.etaxonomy.cdm.api.service.IOccurrenceService;

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

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

import eu.etaxonomy.cdm.model.name.SpecimenTypeDesignation;

import eu.etaxonomy.cdm.model.name.TaxonNameBase;

import eu.etaxonomy.cdm.model.taxon.TaxonBase;

import eu.etaxonomy.taxeditor.model.MessagingUtils;

import eu.etaxonomy.taxeditor.store.CdmStore;

import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;

import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;

import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;

import eu.etaxonomy.taxeditor.ui.section.AbstractCdmDetailElement;

/**

 * @author pplitzner

 * @date Dec 1, 2014

 *

 */

public class TaxonAssociationDetailElement extends AbstractCdmDetailElement<DerivedUnitFacade> implements IDoubleClickListener{

    private TableViewer associationsViewer;

    private TableViewer typeDesignationViewer;

    public TaxonAssociationDetailElement(CdmFormFactory formFactory, ICdmFormElement formElement) {

        super(formFactory, formElement);

    }

    /** {@inheritDoc} */

    @Override

    protected void createControls(ICdmFormElement formElement, DerivedUnitFacade entity, int style) {

        //TODO add context menu for deleting associations

        Label associationsLabel = formFactory.createLabel(getLayoutComposite(), "Individuals Associations");

        associationsLabel.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));

        associationsViewer = new TableViewer(getLayoutComposite(), SWT.FULL_SELECTION);

        associationsViewer.getTable().setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));

        associationsViewer.setContentProvider(new ArrayContentProvider());

        Collection<IndividualsAssociation> individualsAssociations = CdmStore.getService(IOccurrenceService.class).listIndividualsAssociations(entity.innerDerivedUnit(), null, null, null, null);

        //TODO implement service method for this which is just used in the label provider

        Collection<TaxonBase<?>> associatedTaxa = new HashSet<TaxonBase<?>>();

        for (IndividualsAssociation individualsAssociation : individualsAssociations) {

            if(individualsAssociation.getInDescription() instanceof TaxonDescription){

                TaxonDescription taxonDescription = (TaxonDescription)individualsAssociation.getInDescription();

                associatedTaxa.add(taxonDescription.getTaxon());

            }

        }

        associationsViewer.setInput(associatedTaxa);

        associationsViewer.addDoubleClickListener(this);

        Label typeLabel = formFactory.createLabel(getLayoutComposite(), "Type Designations");

        typeLabel.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));

        typeDesignationViewer = new TableViewer(getLayoutComposite(), SWT.FULL_SELECTION);

        typeDesignationViewer.getTable().setLayoutData(LayoutConstants.FILL_HORIZONTALLY(2, 1));

        typeDesignationViewer.setContentProvider(new ArrayContentProvider());

        Collection<SpecimenTypeDesignation> typeDesignations = CdmStore.getService(IOccurrenceService.class).listTypeDesignations(entity.innerDerivedUnit(), null, null, null, null);

        //TODO implement service method for this which is just used in the label provider

        Collection<TaxonBase<?>> typedTaxa = new HashSet<TaxonBase<?>>();

        for (SpecimenTypeDesignation specimenTypeDesignation : typeDesignations) {

            for (TaxonNameBase taxonNameBase : specimenTypeDesignation.getTypifiedNames()) {

                Set taxa = taxonNameBase.getTaxa();

                for (Object taxon : taxa) {

                    if(taxon instanceof TaxonBase<?>){

                        typedTaxa.add((TaxonBase<?>) taxon);

                    }

                }

            }

        }

        typeDesignationViewer.setInput(typedTaxa);

        typeDesignationViewer.addDoubleClickListener(this);

    }

    /** {@inheritDoc} */

    @Override

    public void handleEvent(Object eventSource) {

        //empty

    }

    /* (non-Javadoc)

     * @see org.eclipse.jface.viewers.IDoubleClickListener#doubleClick(org.eclipse.jface.viewers.DoubleClickEvent)

     */

    @Override

    public void doubleClick(DoubleClickEvent event) {

        if(associationsViewer.getSelection() instanceof IStructuredSelection){

            Object firstElement = ((IStructuredSelection) associationsViewer.getSelection()).getFirstElement();

            if(firstElement instanceof TaxonBase<?>){

                TaxonBase<?> taxonBase = (TaxonBase<?>)firstElement;

                String commandId = "eu.etaxonomy.taxeditor.editor.openTaxonEditor";

                ArrayList parameters = new ArrayList();

                IParameter iparam = null;

                //get the command from plugin.xml

                IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

                ICommandService cmdService = (ICommandService)window.getService(ICommandService.class);

                Command cmd = cmdService.getCommand(commandId);

                //get the parameter

                try {

                    iparam = cmd.getParameter("eu.etaxonomy.taxeditor.editor.taxonParameter");

                } catch (NotDefinedException e1) {

                    MessagingUtils.error(this.getClass(), "Command not defined", e1);

                }

                Parameterization params = new Parameterization(iparam, (taxonBase).getUuid().toString());

                parameters.add(params);

                //build the parameterized command

                ParameterizedCommand pc = new ParameterizedCommand(cmd, (Parameterization[]) parameters.toArray(new Parameterization[parameters.size()]));

                //execute the command

                IHandlerService handlerService = (IHandlerService)window.getService(IHandlerService.class);

                try {

                    handlerService.executeCommand(pc, null);

                } catch (ExecutionException e) {

                    MessagingUtils.error(TaxonAssociationDetailElement.class, e);

                } catch (NotDefinedException e) {

                    MessagingUtils.error(TaxonAssociationDetailElement.class, e);

                } catch (NotEnabledException e) {

                    MessagingUtils.error(TaxonAssociationDetailElement.class, e);

                } catch (NotHandledException e) {

                    MessagingUtils.error(TaxonAssociationDetailElement.class, e);

                }

            }

        }

    }

}