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.cdm.vaadin.view.name;

import java.util.Collection;

import java.util.EnumSet;

import org.springframework.security.core.GrantedAuthority;

import com.vaadin.shared.ui.label.ContentMode;

import com.vaadin.ui.Alignment;

import com.vaadin.ui.CheckBox;

import com.vaadin.ui.GridLayout;

import com.vaadin.ui.Label;

import com.vaadin.ui.ListSelect;

import com.vaadin.ui.TextField;

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

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

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

import eu.etaxonomy.cdm.model.reference.Reference;

import eu.etaxonomy.cdm.persistence.hibernate.permission.CRUD;

import eu.etaxonomy.cdm.vaadin.component.common.TeamOrPersonField;

import eu.etaxonomy.cdm.vaadin.event.ReferenceEditorAction;

import eu.etaxonomy.cdm.vaadin.event.TaxonNameEditorAction;

import eu.etaxonomy.cdm.vaadin.security.AccessRestrictedView;

import eu.etaxonomy.cdm.vaadin.security.UserHelper;

import eu.etaxonomy.cdm.vaadin.util.converter.SetToListConverter;

import eu.etaxonomy.vaadin.component.SwitchableTextField;

import eu.etaxonomy.vaadin.component.ToManyRelatedEntitiesComboboxSelect;

import eu.etaxonomy.vaadin.component.ToOneRelatedEntityCombobox;

import eu.etaxonomy.vaadin.event.EditorActionType;

import eu.etaxonomy.vaadin.mvp.AbstractCdmPopupEditor;

import eu.etaxonomy.vaadin.permission.EditPermissionTester;

/**

 * @author a.kohlbecker

 * @since May 22, 2017

 *

 */

public class TaxonNamePopupEditor extends AbstractCdmPopupEditor<TaxonName, TaxonNameEditorPresenter> implements TaxonNamePopupEditorView, AccessRestrictedView {

    private static final long serialVersionUID = -7037436241474466359L;

    private final static int GRID_COLS = 4;

    private final static int GRID_ROWS = 12;

    private static final boolean HAS_BASIONYM_DEFAULT = false;

    private TextField genusOrUninomialField;

    private TextField infraGenericEpithetField;

    private TextField specificEpithetField;

    private TextField infraSpecificEpithetField;

    private SwitchableTextField fullTitleCacheFiled;

    private SwitchableTextField protectedNameCacheField;

    private ToOneRelatedEntityCombobox<Reference> nomReferenceCombobox;

    private TextField nomenclaturalReferenceDetail;

    private TeamOrPersonField exBasionymAuthorshipField;

    private TeamOrPersonField basionymAuthorshipField;

    private ToManyRelatedEntitiesComboboxSelect<TaxonName> basionymsComboboxSelect;

    private CheckBox basionymToggle;

    private ListSelect rankSelect;

    private TeamOrPersonField combinationAuthorshipField;

    private TeamOrPersonField exCombinationAuthorshipField;

    private EnumSet<TaxonNamePopupEditorMode> modesActive = EnumSet.noneOf(TaxonNamePopupEditorMode.class);

    /**

     * @param layout

     * @param dtoType

     */

    public TaxonNamePopupEditor() {

        super(new GridLayout(GRID_COLS, GRID_ROWS), TaxonName.class);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public String getWindowCaption() {

        return "Name editor";

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public int getWindowPixelWidth() {

        return 700;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void focusFirst() {

        // titleField.focus();

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected String getDefaultComponentStyles() {

        return "tiny";

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void initContent() {

        GridLayout grid = (GridLayout)getFieldLayout();

        grid.setSizeFull();

        grid.setSpacing(true);

        grid.setColumnExpandRatio(0, 0.3f);

        grid.setColumnExpandRatio(1, 0.3f);

        grid.setColumnExpandRatio(2, 0.3f);

        grid.setColumnExpandRatio(3, 0.0f);

        /*

         - nameType: preset, needs to be set in the presenter for new names

         - appendedPhrase: -> TODO field

         - nomenclaturalMicroReference:  -> TODO field

         - nomenclaturalReference ->  field but disabled for REGISTRY

         - rank -> SelectField which determines the visiblity of the other fields

         - fullTitleCache + protectedFullTitleCache -> SwitchableTextField : ADVANCED_MODE

         - nameCache + protectedNameCache -> SwitchableTextField : ADVANCED_MODE

         - homotypicalGroup -> hidden

         - typeDesignations -> hidden

         - descriptions -> hidden

         - taxonBases -> hidden

         - registrations -> hidden

         - relationsFromThisName-> TODO implement later

         - relationsToThisName -> TODO implement later

         - genusOrUninomial -> textField

         - infraGenericEpithet  -> textField

         - specificEpithet  -> textField

         - infraSpecificEpithet  -> textField

         - authorshipCache + protectedAuthorshipCache -> SwitchableTextField : only ADVANCED_MODE and disabled for REGISTRY

         - basionymAuthorship -> field but disabled for REGISTRY, basionym is set as nameRelationShip

         - combinationAuthorship -> field but disabled for REGISTRY author team of the reference

         - exCombinationAuthorship -> textField

         - exBasionymAuthorship -> textField

         - status -> TODO field

         - monomHybrid -> TODO implement hybrids later

         - binomHybrid -> TODO implement hybrids later

         - trinomHybrid -> TODO implement hybrids later

         - hybridParentRelations -> TODO implement hybrids later

         - hybridChildRelations -> TODO implement hybrids later

         - hybridFormula -> TODO implement hybrids later

         ** ViralName attributes **

         - acronym

         ** BacterialName attributes **

         - subGenusAuthorship

         - nameApprobation

         - breed

         - publicationYear

         - originalPublicationYear

         - cultivarName

        */

        int row = 0;

        rankSelect = new ListSelect("Rank");

        rankSelect.setNullSelectionAllowed(false);

        rankSelect.setRows(1);

        rankSelect.setWidth(100, Unit.PERCENTAGE);

        rankSelect.addValueChangeListener(e -> updateFieldVisibility((Rank)e.getProperty().getValue()));

        addField(rankSelect, "rank", 0, row, 1, row);

        grid.setComponentAlignment(rankSelect, Alignment.TOP_RIGHT);

        basionymToggle = new CheckBox("With basionym");

        basionymToggle.setValue(HAS_BASIONYM_DEFAULT);

        basionymToggle.addValueChangeListener(e -> {

                boolean enable = e.getProperty().getValue() != null && (Boolean)e.getProperty().getValue();

                enableBasionymFields(enable);

            });

        basionymToggle.setStyleName(getDefaultComponentStyles());

        grid.addComponent(basionymToggle, 2, row, 3, row);

        grid.setComponentAlignment(basionymToggle, Alignment.BOTTOM_LEFT);

        row++;

        // fullTitleCache

        fullTitleCacheFiled = addSwitchableTextField("Full title cache", "fullTitleCache", "protectedFullTitleCache", 0, row, GRID_COLS-1, row);

        fullTitleCacheFiled.setWidth(100, Unit.PERCENTAGE);

        row++;

        protectedNameCacheField = addSwitchableTextField("Name cache", "nameCache", "protectedNameCache", 0, row, GRID_COLS-1, row);

        protectedNameCacheField.setWidth(100, Unit.PERCENTAGE);

        row++;

        genusOrUninomialField = addTextField("Genus or uninomial", "genusOrUninomial", 0, row, 1, row);

        genusOrUninomialField.setWidth(200, Unit.PIXELS);

        infraGenericEpithetField = addTextField("Infrageneric epithet", "infraGenericEpithet", 2, row, 3, row);

        infraGenericEpithetField.setWidth(200, Unit.PIXELS);

        row++;

        specificEpithetField = addTextField("Specific epithet", "specificEpithet", 0, row, 1, row);

        specificEpithetField.setWidth(200, Unit.PIXELS);

        infraSpecificEpithetField = addTextField("Infraspecific epithet", "infraSpecificEpithet", 2, row, 3, row);

        infraSpecificEpithetField.setWidth(200, Unit.PIXELS);

        row++;

        combinationAuthorshipField = new TeamOrPersonField("combination author(s)");

        combinationAuthorshipField.setWidth(100,  Unit.PERCENTAGE);

        addField(combinationAuthorshipField, "combinationAuthorship", 0, row, GRID_COLS-1, row);

        row++;

        grid.addComponent(new Label("Hint: <i>Nomenclatural authors can be edited in the nomenclatural reference.</i>", ContentMode.HTML), 0, row, 3, row);

        // nomenclaturalReference

        row++;

        nomReferenceCombobox = new ToOneRelatedEntityCombobox<Reference>("Nomenclatural reference", Reference.class);

        nomReferenceCombobox.addClickListenerAddEntity(e -> getEventBus().publishEvent(

                new ReferenceEditorAction(EditorActionType.ADD, null, nomReferenceCombobox, this)

                ));

        nomReferenceCombobox.addClickListenerEditEntity(e -> {

            if(nomReferenceCombobox.getValue() != null){

                getEventBus().publishEvent(

                    new ReferenceEditorAction(

                            EditorActionType.EDIT,

                            nomReferenceCombobox.getValue().getId(),

                            nomReferenceCombobox,

                            this)

                );

            }

            });

        // nomReferenceCombobox.setWidth(300, Unit.PIXELS);

        nomReferenceCombobox.setWidth("100%");

        addField(nomReferenceCombobox, "nomenclaturalReference", 0, row, 2, row);

        nomenclaturalReferenceDetail = addTextField("Reference detail", "nomenclaturalMicroReference", 3, row, 3, row);

        nomenclaturalReferenceDetail.setWidth(100, Unit.PIXELS);

        row++;

        exCombinationAuthorshipField = new TeamOrPersonField("Ex-combination author(s)");

        exCombinationAuthorshipField.setWidth(100,  Unit.PERCENTAGE);

        addField(exCombinationAuthorshipField, "exCombinationAuthorship", 0, row, GRID_COLS-1, row);

        // Basionym

        row++;

        basionymsComboboxSelect = new ToManyRelatedEntitiesComboboxSelect<TaxonName>(TaxonName.class, "Basionym");

        basionymsComboboxSelect.setConverter(new SetToListConverter<TaxonName>());

        addField(basionymsComboboxSelect, "basionyms", 0, row, 3, row);

        basionymsComboboxSelect.setWidth(100, Unit.PERCENTAGE);

        basionymsComboboxSelect.withEditButton(true);

        basionymsComboboxSelect.setEditPermissionTester(new EditPermissionTester() {

            @Override

            public boolean userHasEditPermission(Object bean) {

                return  UserHelper.fromSession().userHasPermission((CdmBase)bean, CRUD.UPDATE, CRUD.DELETE);

            }

        });

        basionymsComboboxSelect.setEditActionListener(e -> {

            Object fieldValue = e.getSource().getValue();

            Integer beanId = null;

            if(fieldValue != null){

                beanId = ((CdmBase)fieldValue).getId();

            }

            eventBus.publishEvent(new TaxonNameEditorAction(e.getAction(), beanId, e.getSource(), this));

        });

        grid.setComponentAlignment(basionymsComboboxSelect, Alignment.TOP_RIGHT);

        row++;

        basionymAuthorshipField = new TeamOrPersonField("Basionym author(s)");

        basionymAuthorshipField.setWidth(100,  Unit.PERCENTAGE);

        addField(basionymAuthorshipField, "basionymAuthorship", 0, row, GRID_COLS-1, row);

        row++;

        exBasionymAuthorshipField = new TeamOrPersonField("Ex-basionym author(s)");

        exBasionymAuthorshipField.setWidth(100,  Unit.PERCENTAGE);

        addField(exBasionymAuthorshipField, "exBasionymAuthorship", 0, row, GRID_COLS-1, row);

        setAdvancedModeEnabled(true);

        enableBasionymFields(HAS_BASIONYM_DEFAULT);

        registerAdvancedModeComponents(fullTitleCacheFiled, protectedNameCacheField);

        registerAdvancedModeComponents(basionymAuthorshipField.getCachFields());

        registerAdvancedModeComponents(exBasionymAuthorshipField.getCachFields());

        registerAdvancedModeComponents(combinationAuthorshipField.getCachFields());

        registerAdvancedModeComponents(exCombinationAuthorshipField.getCachFields());

        setAdvancedMode(false);

    }

    /**

     * @param value

     * @return

     */

    private void enableBasionymFields(boolean enable) {

        basionymAuthorshipField.setVisible(enable);

        exBasionymAuthorshipField.setVisible(enable);

        basionymsComboboxSelect.setVisible(enable);

        TaxonName taxonName = getBean();

        if(taxonName != null){

            if(modesActive.contains(TaxonNamePopupEditorMode.suppressReplacementAuthorshipData)){

                basionymAuthorshipField.setVisible(taxonName.getBasionymAuthorship() != null);

            }

            updateFieldVisibility(taxonName.getRank());

        }

    }

    /**

     * @param rank

     * @return

     */

    private void updateFieldVisibility(Rank rank) {

        boolean isSpeciesOrBelow = !rank.isHigher(Rank.SPECIES());

        // TODO use getField() instead and remove field references

        infraSpecificEpithetField.setVisible(rank.isInfraSpecific());

        specificEpithetField.setVisible(isSpeciesOrBelow);

        infraGenericEpithetField.setVisible(rank.isInfraGenericButNotSpeciesGroup());

        genusOrUninomialField.setCaption(isSpeciesOrBelow ? "Genus" : "Uninomial");

        exCombinationAuthorshipField.setVisible(isSpeciesOrBelow);

    }

    @Override

    protected void afterItemDataSourceSet() {

        TaxonName taxonName = getBean();

        boolean showBasionymSection = taxonName.getBasionyms().size() > 0

                || taxonName.getBasionymAuthorship() != null

                || taxonName.getExBasionymAuthorship() != null;

        basionymToggle.setValue(showBasionymSection);

        if(isModeEnabled(TaxonNamePopupEditorMode.suppressReplacementAuthorshipData)){

            combinationAuthorshipField.setVisible(taxonName.getCombinationAuthorship() != null);

        }

        if(isModeEnabled(TaxonNamePopupEditorMode.nomenclaturalReferenceSectionEditingOnly) && getBean().getNomenclaturalReference() != null) {

            nomReferenceCombobox.setCaption("Nomenclatural reference (sections of " + getBean().getNomenclaturalReference().getTitle() + " only)");

        }

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public boolean allowAnonymousAccess() {

        return false;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public Collection<Collection<GrantedAuthority>> allowedGrantedAuthorities() {

        return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public ToOneRelatedEntityCombobox<Reference> getNomReferenceCombobox() {

        return nomReferenceCombobox;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public ToManyRelatedEntitiesComboboxSelect<TaxonName> getBasionymComboboxSelect() {

        return basionymsComboboxSelect;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public ListSelect getRankSelect() {

        return rankSelect;

    }

    /**

     * @return the exBasionymAuthorshipField

     */

    @Override

    public TeamOrPersonField getExBasionymAuthorshipField() {

        return exBasionymAuthorshipField;

    }

    /**

     * @return the basionymAuthorshipField

     */

    @Override

    public TeamOrPersonField getBasionymAuthorshipField() {

        return basionymAuthorshipField;

    }

    /**

     * @return the combinationAuthorshipField

     */

    @Override

    public TeamOrPersonField getCombinationAuthorshipField() {

        return combinationAuthorshipField;

    }

    /**

     * @return the exCombinationAuthorshipField

     */

    @Override

    public TeamOrPersonField getExCombinationAuthorshipField() {

        return exCombinationAuthorshipField;

    }

    @Override

    public void enableMode(TaxonNamePopupEditorMode mode){

        modesActive.add(mode);

    }

    @Override

    public boolean isModeEnabled(TaxonNamePopupEditorMode mode){

        return modesActive.contains(mode);

    }

    @Override

    public void disableMode(TaxonNamePopupEditorMode mode){

        modesActive.remove(mode);

    }

    @Override

    public CheckBox getBasionymToggle() {

        return basionymToggle;

    }

}