/*
 * Copyright 2000-2016 Vaadin Ltd.
 *
 * Licensed 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 com.vaadin.v7.tests.components.grid;

import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUIWithLog;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.v7.data.Container.Indexed;
import com.vaadin.v7.data.util.BeanItemContainer;
import com.vaadin.v7.event.SelectionEvent;
import com.vaadin.v7.event.SelectionEvent.SelectionListener;
import com.vaadin.v7.ui.Grid;
import com.vaadin.v7.ui.Grid.SelectionMode;

public class GridReplaceContainer extends AbstractTestUIWithLog {

    @Override
    protected void setup(VaadinRequest request) {
        final Grid grid = new Grid();
        grid.setSelectionMode(SelectionMode.SINGLE);
        grid.setContainerDataSource(createContainer());
        grid.addSelectionListener(new SelectionListener() {

            @Override
            public void select(SelectionEvent event) {
                Bean selected = (Bean) grid.getSelectedRow();
                if (selected != null) {
                    log("Now selected: " + selected.getData());
                } else {
                    log("Now selected: null");
                }

            }
        });
        addComponent(grid);
        Button b = new Button("Re-set data source", new Button.ClickListener() {

            @Override
            public void buttonClick(ClickEvent event) {
                grid.setContainerDataSource(createContainer());
            }
        });
        addComponent(b);
    }

    public static class Bean {
        private int id;
        private String data;

        public Bean(int id, String data) {
            this.id = id;
            this.data = data;
        }

        public int getId() {
            return id;
        }

        public void setId(int id) {
            this.id = id;
        }

        public String getData() {
            return data;
        }

        public void setData(String data) {
            this.data = data;
        }

    }

    private Indexed createContainer() {
        BeanItemContainer<Bean> bic = new BeanItemContainer<>(Bean.class);
        bic.addBean(new Bean(1, "First item"));
        bic.addBean(new Bean(2, "Second item"));
        bic.addBean(new Bean(3, "Third item"));
        return bic;
    }
}