EmployeeXmlDS.java

package com.smartgwt.sample.showcase.client.data;

import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceFloatField;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceTextField;

public class EmployeeXmlDS extends DataSource {

    private static EmployeeXmlDS instance = null;

    public static EmployeeXmlDS getInstance() {
        if (instance == null) {
            instance = new EmployeeXmlDS("employeesDS");
        }
        return instance;
    }

    public EmployeeXmlDS(String id) {

        setID(id);
        setTitleField("Name");
        setRecordXPath("/List/employee");
        DataSourceTextField nameField = new DataSourceTextField("Name", "Name", 128);

        DataSourceIntegerField employeeIdField = new DataSourceIntegerField("EmployeeId", "Employee ID");
        employeeIdField.setPrimaryKey(true);
        employeeIdField.setRequired(true);

        DataSourceIntegerField reportsToField = new DataSourceIntegerField("ReportsTo", "Manager");
        reportsToField.setRequired(true);
        reportsToField.setForeignKey(id + ".EmployeeId");
        reportsToField.setRootValue("1");

        DataSourceTextField jobField = new DataSourceTextField("Job", "Title", 128);
        DataSourceTextField emailField = new DataSourceTextField("Email", "Email", 128);
        DataSourceTextField statusField = new DataSourceTextField("EmployeeStatus", "Status", 40);
        DataSourceFloatField salaryField = new DataSourceFloatField("Salary", "Salary");
        DataSourceTextField orgField = new DataSourceTextField("OrgUnit", "Org Unit", 128);
        DataSourceTextField genderField = new DataSourceTextField("Gender", "Gender", 7);
        genderField.setValueMap("male", "female");
        DataSourceTextField maritalStatusField = new DataSourceTextField("MaritalStatus", "Marital Status", 10);

        setFields(nameField, employeeIdField, reportsToField, jobField, emailField,
                statusField, salaryField, orgField, genderField, maritalStatusField);

        setDataURL("ds/test_data/employees.data.xml");
        setClientOnly(true);
    }
}