Source Viewer : WEB-INF/classes/org/apache/click/examples/page/introduction/AdvancedTable.java

package org.apache.click.examples.page.introduction;

import java.util.List;
import org.apache.click.ActionListener;
import org.apache.click.Control;

import org.apache.click.control.AbstractLink;
import org.apache.click.control.ActionLink;
import org.apache.click.control.Column;
import org.apache.click.control.PageLink;
import org.apache.click.control.Table;
import org.apache.click.examples.domain.Customer;
import org.apache.click.examples.page.BorderPage;
import org.apache.click.examples.page.EditCustomer;
import org.apache.click.examples.service.CustomerService;
import org.apache.click.extras.control.LinkDecorator;
import org.apache.click.dataprovider.DataProvider;

/**
 * Provides an advanced Table usage example Page.
 * <p/>
 * This example also demonstrates how a stateful Page can be used to preserve
 * the Table sort and paging state while editing customers.
 */
public class AdvancedTable extends BorderPage {

    private static final long serialVersionUID = 1L;

    private Table table = new Table("table");
    private PageLink editLink = new PageLink("Edit", EditCustomer.class);
    private ActionLink deleteLink = new ActionLink("Delete", this, "onDeleteClick");

    /**
     * Spring injected CustomerService bean. The service is marked as transient
     * since the page is stateful and we don't want to serialize the service
     * along with the page.
     */
    private transient CustomerService customerService;

    // Constructor ------------------------------------------------------------

    public AdvancedTable() {
        // Add controls
        addControl(table);
        addControl(editLink);
        addControl(deleteLink);

        // Setup table
        table.setClass(Table.CLASS_ITS);
        table.setPageSize(10);
        table.setShowBanner(true);
        table.setSortable(true);

        table.addColumn(new Column("id"));

        table.addColumn(new Column("name"));

        Column column = new Column("email");
        column.setAutolink(true);
        column.setTitleProperty("name");
        table.addColumn(column);

        table.addColumn(new Column("investments"));

        editLink.setImageSrc("/assets/images/table-edit.png");
        editLink.setTitle("Edit customer details");
        editLink.setParameter("referrer", "/introduction/advanced-table.htm");

        deleteLink.setImageSrc("/assets/images/table-delete.png");
        deleteLink.setTitle("Delete customer record");
        deleteLink.setAttribute("onclick", "return window.confirm('Are you sure you want to delete this record?');");

        column = new Column("Action");
        column.setTextAlign("center");
        AbstractLink[] links = new AbstractLink[] { editLink, deleteLink };
        column.setDecorator(new LinkDecorator(table, links, "id"));
        column.setSortable(false);
        table.addColumn(column);

        table.setDataProvider(new DataProvider<Customer>() {

            private static final long serialVersionUID = 1L;

            public List<Customer> getData() {
                return getCustomerService().getCustomers();
            }
        });

        // Below we setup the table to preserve it's state (sorting and paging)
        // while editing customers

        table.getControlLink().setActionListener(new ActionListener() {

            public boolean onAction(Control source) {
                // Save Table sort and paging state between requests.
                // NOTE: we set the listener on the table's Link control which is invoked
                // when the Link is clicked, such as when paging or sorting.
                // This ensures the table state is only saved when the state changes, and
                // cuts down on unnecessary session replication in a cluster environment.
                table.saveState(getContext());
                return true;
            }
        });

        // Restore the table sort and paging state from the session between requests
        table.restoreState(getContext());
    }

    // Event Handlers ---------------------------------------------------------

    public boolean onDeleteClick() {
        Integer id = deleteLink.getValueInteger();
        getCustomerService().deleteCustomer(id);
        return true;
    }

    // Public Methods ---------------------------------------------------------

    /**
     * Return CustomerService instance from Spring application context.
     *
     * @return CustomerService instance
     */
    public CustomerService getCustomerService() {
        return customerService;
    }

    /**
     * Set the CustomerService instance from Spring application context.
     *
     * @param customerService the customerService instance to inject
     */
    public void setCustomerService(CustomerService customerService) {
        this.customerService = customerService;
    }
}