WorldXmlDS.java

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

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

public class WorldXmlDS extends DataSource {

    private static WorldXmlDS instance = null;

    public static WorldXmlDS getInstance() {
        if (instance == null) {
            instance = new WorldXmlDS("worldDS");
        }
        return instance;
    }

    public WorldXmlDS(String id) {

        setID(id);
        setRecordXPath("/List/country");
        DataSourceIntegerField pkField = new DataSourceIntegerField("pk");
        pkField.setHidden(true);
        pkField.setPrimaryKey(true);

        DataSourceTextField countryCodeField = new DataSourceTextField("countryCode", "Code");
        countryCodeField.setRequired(true);

        DataSourceTextField countryNameField = new DataSourceTextField("countryName", "Country");
        countryNameField.setRequired(true);

        DataSourceTextField capitalField = new DataSourceTextField("capital", "Capital");
        DataSourceTextField governmentField = new DataSourceTextField("government", "Government", 500);

        DataSourceBooleanField memberG8Field = new DataSourceBooleanField("member_g8", "G8");

        DataSourceTextField continentField = new DataSourceTextField("continent", "Continent");
        continentField.setValueMap("Europe", "Asia", "North America", "Australia/Oceania", "South America", "Africa");

        DataSourceDateField independenceField = new DataSourceDateField("independence", "Nationhood");
        DataSourceFloatField areaField = new DataSourceFloatField("area", "Area (km²)");
        DataSourceIntegerField populationField = new DataSourceIntegerField("population", "Population");
        DataSourceFloatField gdpField = new DataSourceFloatField("gdp", "GDP ($M)");
        
        setFields(pkField, countryCodeField, countryNameField, capitalField, governmentField,
                memberG8Field, continentField, independenceField, areaField, populationField,
                gdpField);

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