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

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

import java.text.MessageFormat;
import java.util.List;

import javax.annotation.Resource;

import org.apache.click.control.Column;
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.service.CustomerService;
import org.apache.click.dataprovider.DataProvider;
import org.apache.click.util.HtmlStringBuffer;
import org.springframework.stereotype.Component;

/**
 * Provides an demonstration of Table control paging.
 */
@Component
public class TableFooter extends BorderPage {

    private static final long serialVersionUID = 1L;

    private Table table;

    @Resource(name="customerService")
    private CustomerService customerService;

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

    public TableFooter() {
        table = new Table("table") {
            private static final long serialVersionUID = 1L;

            @Override
            public void renderFooterRow(HtmlStringBuffer buffer) {
                renderTotalHoldingsFooter(buffer);
            }
        };

        addControl(table);

        // Setup customers table
        table.setClass(Table.CLASS_ITS);

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

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

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

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

        table.setDataProvider(new DataProvider<Customer>() {
            public List<Customer> getData() {
                return customerService.getCustomersSortedByName(17);
            }
        });
    }

    // Private Methods --------------------------------------------------------

    /**
     * Render the total holdings footer.
     *
     * @param buffer the buffer to render the totals footer to
     */
    private void renderTotalHoldingsFooter(HtmlStringBuffer buffer) {
        double total = 0;
        for (int i = 0; i < table.getRowList().size(); i++) {
            Customer customer = (Customer) table.getRowList().get(i);
            if (customer.getHoldings() != null) {
                total += customer.getHoldings().doubleValue();
            }
        }

        String format = "<b>Total Holdings</b>: &nbsp; ${0,number,#,##0.00}";
        String totalDisplay = MessageFormat.format(format, new Double(total));

        buffer.append("<tfoot><tr><td colspan='4' style='text-align:right'>");
        buffer.append(totalDisplay);
        buffer.append("</td></tr></tfoot>");
    }

}