vaadin-framework/tests/src/com/vaadin/tests/book/TableCellStyle.java

/* 
@ITMillApache2LicenseForJavaFiles@
 */

package com.vaadin.tests.book;

import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.Table;

public class TableCellStyle extends CustomComponent {
    public TableCellStyle() {
        Table table = new Table("Table with Cell Styles");
        table.addStyleName("checkerboard");

        // Add some columns in the table. In this example, the property IDs
        // of the container are integers so we can determine the column number
        // easily.
        table.addContainerProperty("0", String.class, null, "", null, null); // Row
        // header
        for (int i = 0; i < 8; i++) {
            table.addContainerProperty("" + (i + 1), String.class, null, String
                    .valueOf((char) (65 + i)), null, null);
        }

        // Add some items in the table.
        table.addItem(new Object[] { "1", "R", "N", "B", "Q", "K", "B", "N",
                "R" }, new Integer(0));
        table.addItem(new Object[] { "2", "P", "P", "P", "P", "P", "P", "P",
                "P" }, new Integer(1));
        for (int i = 2; i < 6; i++) {
            table.addItem(new Object[] { String.valueOf(i + 1), "", "", "", "",
                    "", "", "", "" }, new Integer(i));
        }
        table.addItem(new Object[] { "7", "P", "P", "P", "P", "P", "P", "P",
                "P" }, new Integer(6));
        table.addItem(new Object[] { "8", "R", "N", "B", "Q", "K", "B", "N",
                "R" }, new Integer(7));
        table.setPageLength(8);

        // Set cell style generator
        table.setCellStyleGenerator(new Table.CellStyleGenerator() {
            public String getStyle(Object itemId, Object propertyId) {
                int row = ((Integer) itemId).intValue();
                int col = Integer.parseInt((String) propertyId);

                // The first column.
                if (col == 0) {
                    return "rowheader";
                }

                // Other cells.
                if ((row + col) % 2 == 1) {
                    return "black";
                } else {
                    return "white";
                }
            }
        });

        setCompositionRoot(table);
    }
}