Source Viewer : WEB-INF/classes/org/apache/click/examples/page/table/SearchTablePage.java

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

import java.util.List;
import org.apache.click.ActionListener;
import org.apache.click.Context;
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.Form;
import org.apache.click.control.PageLink;
import org.apache.click.control.Submit;
import org.apache.click.control.Table;
import org.apache.click.control.TextField;
import org.apache.click.examples.control.SpacerButton;
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.DateField;
import org.apache.click.extras.control.LinkDecorator;
import org.apache.click.extras.control.TableInlinePaginator;
import org.apache.click.dataprovider.DataProvider;

/**
 * Provides an demonstration of Table control paging.
 */
public class SearchTablePage extends BorderPage {

    private static final long serialVersionUID = 1L;

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

    private TextField nameField = new TextField(Customer.NAME_PROPERTY);
    private DateField dateField = new DateField(Customer.DATE_JOINED_PROPERTY, "Start Date");

    /**
     * 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 SearchTablePage() {
        addControl(form);
        addControl(table);
        addControl(editLink);
        addControl(deleteLink);

        // Setup the search form
        form.setColumns(2);
        form.add(nameField);
        form.add(dateField);
        form.add(new Submit("Search", this, "onSearchClick"));
        form.add(new Submit("Clear", this, "onClearClick"));
        form.add(new SpacerButton());
        form.add(new Submit("New...", this, "onNewClick"));

        // Setup customers table
        table.setClass(Table.CLASS_ITS);
        table.setPageSize(10);
        table.setShowBanner(true);
        table.setSortable(true);
        table.setPaginator(new TableInlinePaginator(table));
        table.setPaginatorAttachment(Table.PAGINATOR_INLINE);

        Column column = new Column(Customer.NAME_PROPERTY);
        column.setWidth("140px;");
        table.addColumn(column);

        column = new Column(Customer.EMAIL_PROPERTY);
        column.setAutolink(true);
        column.setWidth("230px;");
        table.addColumn(column);

        column = new Column(Customer.AGE_PROPERTY);
        column.setTextAlign("center");
        column.setWidth("40px;");
        table.addColumn(column);

        column = new Column(Customer.HOLDINGS_PROPERTY);
        column.setFormat("${0,number,#,##0.00}");
        column.setTextAlign("right");
        column.setWidth("100px;");
        table.addColumn(column);

        editLink.setImageSrc("/assets/images/table-edit.png");
        editLink.setTitle("Edit customer details");
        editLink.setParameter("referrer", "/table/search-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>() {
            public List<Customer> getData() {
                return getCustomerService().getCustomers(nameField.getValue(),
                                                         dateField.getDate());
            }
        });
    }

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

    @Override
    public void onInit() {
        super.onInit();
        Context context = getContext();

        // Restore form and table state from the session
        form.restoreState(context);
        table.restoreState(context);

        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;
            }
        });

    }

    /**
     * Handle the search button click event.
     *
     * @return true
     */
    public boolean onSearchClick() {
        // Save Form search field value between requests.
                // NOTE: we only save the from when the search button is clicked.
                // This ensures the form state is only saved when the state changes, and
                // cuts down on unnecessary session replication in a cluster environment.
        form.saveState(getContext());
        return true;
    }

    /**
     * Handle the clear button click event.
     *
     * @return true
     */
    public boolean onClearClick() {
        // Clear field values
        form.clearErrors();
        form.clearValues();

        // Clear table state
        table.setPageNumber(0);
        table.setSortedColumn(null);

        // Remove table and form state from the session
        Context context = getContext();
        form.removeState(context);
        table.removeState(context);
        return true;
    }

    /**
     * Handle the new button click event.
     *
     * @return false
     */
    public boolean onNewClick() {
        String path = getContext().getPagePath(EditCustomer.class);
        path += "?referrer=/table/search-table.htm";
        setRedirect(path);
        return false;
    }

    /**
     * Handle the delete link click event.
     *
     * @return true
     */
    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;
    }
}