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.phycobank;

import java.util.Collection;

import java.util.Locale;

import org.springframework.beans.factory.annotation.Autowired;

import com.vaadin.data.Item;

import com.vaadin.data.util.BeanContainer;

import com.vaadin.data.util.GeneratedPropertyContainer;

import com.vaadin.data.util.PropertyValueGenerator;

import com.vaadin.data.util.converter.Converter;

import com.vaadin.navigator.View;

import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;

import com.vaadin.server.FontAwesome;

import com.vaadin.shared.ui.grid.HeightMode;

import com.vaadin.spring.annotation.SpringView;

import com.vaadin.ui.Alignment;

import com.vaadin.ui.Grid;

import com.vaadin.ui.Grid.Column;

import com.vaadin.ui.Grid.SelectionMode;

import com.vaadin.ui.Label;

import com.vaadin.ui.VerticalLayout;

import com.vaadin.ui.renderers.ButtonRenderer;

import com.vaadin.ui.renderers.DateRenderer;

import com.vaadin.ui.renderers.HtmlRenderer;

import com.vaadin.ui.themes.ValoTheme;

import eu.etaxonomy.cdm.vaadin.presenter.phycobank.ListPresenter;

import eu.etaxonomy.cdm.vaadin.presenter.phycobank.ListPresenter.RegistrationDTO;

import eu.etaxonomy.cdm.vaadin.presenter.phycobank.RegistrationType;

import eu.etaxonomy.cdm.vaadin.util.JodaDateTimeConverter;

import eu.etaxonomy.cdm.vaadin.util.UrlStringConverter;

import eu.etaxonomy.vaadin.mvp.AbstractView;

import eu.etaxonomy.vaadin.ui.navigation.NavigationEvent;

/**

 * @author a.kohlbecker

 * @since Mar 2, 2017

 *

 */

@SpringView(name=ListViewBean.NAME)

public class ListViewBean extends AbstractView<ListPresenter> implements ListView, View {

    /**

     * @author a.kohlbecker

     * @since Mar 7, 2017

     *

     */

    protected final class RegistrationTypeConverter implements Converter<String, RegistrationType> {

        @Override

        public RegistrationType convertToModel(String value, Class<? extends RegistrationType> targetType,

                Locale locale) throws com.vaadin.data.util.converter.Converter.ConversionException {

            // not implemented

            return null;

        }

        @Override

        public String convertToPresentation(RegistrationType value, Class<? extends String> targetType,

                Locale locale) throws com.vaadin.data.util.converter.Converter.ConversionException {

            if(value.equals(RegistrationType.name)) {

                return FontAwesome.TAG.getHtml();

            }

            if(value.equals(RegistrationType.name)) {

                return FontAwesome.TAGS.getHtml();

            }

            return FontAwesome.WARNING.getHtml();

        }

        @Override

        public Class<RegistrationType> getModelType() {

            return RegistrationType.class;

        }

        @Override

        public Class<String> getPresentationType() {

            return String.class;

        }

    }

    private static final long serialVersionUID = 3543300933072824713L;

    public static final String NAME = "list";

    private VerticalLayout layout;

    private Grid grid;

    public ListViewBean() {

        layout = new VerticalLayout();

        layout.setSpacing(true);

        layout.setSizeFull();

        Label title = new Label("Registrations");

        title.setStyleName(ValoTheme.LABEL_HUGE);

        title.setWidthUndefined();

        layout.addComponent(title);

        layout.setComponentAlignment(title, Alignment.TOP_CENTER);

        Label hint = new Label("This is the list of all your registrations in progress.");

        hint.setWidthUndefined();

        layout.addComponent(hint);

        layout.setComponentAlignment(hint, Alignment.MIDDLE_CENTER);

        grid = buildGrid();

        layout.addComponent(grid);

        layout.setExpandRatio(grid, 1);

        setCompositionRoot(layout);

        this.setSizeFull();

    }

    private Grid buildGrid() {

        Grid grid = new Grid();

        grid.setSizeFull();

        grid.setEditorEnabled(false);

        grid.setId("registration-list");

        grid.setCellStyleGenerator(cellRef -> cellRef.getPropertyId().toString());

        grid.setSelectionMode(SelectionMode.NONE);

        grid.setHeightMode(HeightMode.CSS);

        // add status as class  attribute to the rows to allow styling with css

        grid.setRowStyleGenerator(rowRef -> {return "status-" + rowRef.getItem().getItemProperty("status").getValue().toString();});

        return grid;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void enter(ViewChangeEvent event) {

        getPresenter().onViewEnter();

    }

    /**

     * {@inheritDoc}

     */

    @Override

    @Autowired

    protected void injectPresenter(ListPresenter presenter) {

        setPresenter(presenter);

    }

    static final String[] visiblCols = new String[]{"status, summary", "registrationId"};

    /**

     * {@inheritDoc}

     */

    @Override

    public void populateTable(Collection<RegistrationDTO> registrations) {

        BeanContainer<String, RegistrationDTO> registrationItems = new BeanContainer<String, RegistrationDTO>(RegistrationDTO.class);

        registrationItems.setBeanIdProperty("internalRegId");

        registrationItems.addAll(registrations);

        grid.setContainerDataSource(buildGeneratedProperties(registrationItems));

        grid.removeAllColumns();

        Column typeColumn = grid.addColumn("registrationType");

        typeColumn.setRenderer(new HtmlRenderer(), new RegistrationTypeConverter());

        typeColumn.setHeaderCaption("");

        typeColumn.setExpandRatio(0);

        Column statusColumn = grid.addColumn("status");

        statusColumn.setExpandRatio(0);

        Column summaryColumn = grid.addColumn("summary");

        summaryColumn.setExpandRatio(1);

        Column regidColumn = grid.addColumn("registrationId");

        regidColumn.setHeaderCaption("Id");

        regidColumn.setRenderer(new HtmlRenderer(), new UrlStringConverter());

        Column createdColumn = grid.addColumn("created");

        createdColumn.setRenderer(new DateRenderer(), new JodaDateTimeConverter());

        createdColumn.setHidable(true);

        createdColumn.setHidden(true);

        Column regDateColumn = grid.addColumn("registrationDate");

        // regDateColumn.setHeaderCaption("Date");

        regDateColumn.setRenderer(new DateRenderer(), new JodaDateTimeConverter());

        regDateColumn.setHidable(true);

        regDateColumn.setHidden(true);

        Column buttonColumn = grid.addColumn("operation");

        buttonColumn.setRenderer(new ButtonRenderer(e -> eventBus.publishEvent(new NavigationEvent(

                RegistrationWorkflowViewBean.NAME,

                RegistrationWorkflowViewBean.ACTION_EDIT,

                e.getItemId().toString()

                ))));

        buttonColumn.setSortable(false);

    }

    /**

     * @param registrationItems

     * @return

     */

    private GeneratedPropertyContainer buildGeneratedProperties(

            BeanContainer<String, RegistrationDTO> registrationItems) {

        GeneratedPropertyContainer gpContainer = new GeneratedPropertyContainer(registrationItems);

        gpContainer.addGeneratedProperty("operation", new PropertyValueGenerator<String>() {

            @Override

            public String getValue(Item item, Object itemId, Object propertyId) {

                return "Open";

            }

            @Override

            public Class<String> getType() {

                return String.class;

            }

          });

        return gpContainer;

    }

}