/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.wicket.examples.repeater;

import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Locale;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.IConverterLocator;
import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator;
import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.ColGroup;
import org.apache.wicket.extensions.markup.html.repeater.data.table.DataTable;
import org.apache.wicket.extensions.markup.html.repeater.data.table.DefaultDataTable;
import org.apache.wicket.extensions.markup.html.repeater.data.table.HeadersToolbar;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.LambdaColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.PropertyColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.export.CSVDataExporter;
import org.apache.wicket.extensions.markup.html.repeater.data.table.export.ExportToolbar;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.ResourceModel;
import org.apache.wicket.util.convert.IConverter;
import org.apache.wicket.util.convert.converter.DateConverter;


/**
 * demo page for the datatable component
 * 
 * @see org.apache.wicket.extensions.markup.html.repeater.data.table.DefaultDataTable
 * @author igor
 * 
 */
public class DataTablePage extends BasePage
{
    /**
     * constructor
     */
    public DataTablePage()
    {
        List<IColumn<Contact, String>> columns = new ArrayList<>();

        columns.add(new AbstractColumn<Contact, String>(new ResourceModel("actions"))
        {
            @Override
            public void populateItem(Item<ICellPopulator<Contact>> cellItem, String componentId,
                IModel<Contact> model)
            {
                cellItem.add(new ActionPanel(componentId, model));
            }
        });

        columns.add(new PropertyColumn<Contact, String>(new ResourceModel("id"), "id")
        {
            @Override
            public String getCssClass()
            {
                return "numeric";
            }
        });

        columns.add(new LambdaColumn<>(new ResourceModel("firstName"), "firstName", Contact::getFirstName));

        columns.add(new LambdaColumn<Contact, String>(new ResourceModel("lastName"), "lastName", Contact::getLastName)
        {
            @Override
            public String getCssClass()
            {
                return "last-name";
            }
        });

        columns.add(new PropertyColumn<>(new ResourceModel("homePhone"), "homePhone"));
        columns.add(new PropertyColumn<>(new ResourceModel("cellPhone"), "cellPhone"));
        columns.add(new PropertyColumn<>(new ResourceModel("bornDate"), "bornDate"));

        SortableContactDataProvider dataProvider = new SortableContactDataProvider();
        DataTable<Contact, String> dataTable = new DefaultDataTable<>("table", columns,
                dataProvider, 8);
        
        dataTable.addBottomToolbar(new ExportToolbar(dataTable).addDataExporter(new CSVDataExporter() {
            /**
             * Use converters of this page.
             * 
             * @see DataTablePage#createConverter(Class)
             */
            @Override
            protected IConverterLocator getConverterLocator()
            {
                return DataTablePage.this;
            }
            
            /**
             * Wrap models on the page so resource properties get picked up. 
             */
            @Override
            protected <T> IModel<T> wrapModel(IModel<T> model)
            {
                return DataTablePage.this.wrap(model);
            }
        }));

        add(dataTable);

        DataTable<Contact, String> tableWithColGroup = new DataTable<>("tableWithColGroup", columns,
                dataProvider, 8);
        tableWithColGroup.addTopToolbar(new HeadersToolbar<>(tableWithColGroup, dataProvider));
        add(tableWithColGroup);
        
        //This is a table that uses ColGroup to style the columns: 
        ColGroup colgroup = tableWithColGroup.getColGroup();
        colgroup.addCol(colgroup.new Col(AttributeModifier.append("class", "lightblue")));
        colgroup.addCol(colgroup.new Col(AttributeModifier.append("class", "lightgreen")));
        colgroup.addCol(colgroup.new Col(AttributeModifier.append("class", "pink")));
        colgroup.addCol(colgroup.new Col(AttributeModifier.append("class", "yellow")));
        colgroup.addCol(colgroup.new Col(AttributeModifier.append("span", "2"),
            AttributeModifier.append("class", "brown")));
    }
    
    /**
     * Custom format for date in export.
     */
    @Override
    protected IConverter<?> createConverter(Class<?> type)
    {
        if (type == Date.class) {
            return new DateConverter() {
                @Override
                public DateFormat getDateFormat(Locale locale)
                {
                    return (DateFormat) DateFormat.getDateInstance(DateFormat.LONG, locale).clone();
                }
            };
        }
        return null;
    }
}