MVC Framework

<customers>
<customer>
<first_name>Robert</first_name>
<last_name>Buffone</last_name>
<customer_id>1</customer_id>
</customer>
<customer>
<first_name>John</first_name>
<last_name>Constantine</last_name>
<customer_id>37</customer_id>
</customer>
<customer>
<first_name>Dave</first_name>
<last_name>Gennaco</last_name>
<customer_id>47</customer_id>
</customer>
< /customers>

<xal xmlns="http://openxal.org/ui">
<mco:declarations xmlns:mco="http://openxal.org/core/mco">
<mco:mco id="customerTableController" src="CustomerTableControl"/>
</mco:declarations>
<borderPane>
<table height="105" width="200" x="90" y="200" borderPosition="center" onCreate="mco://customerTableController.handleTable(this)">
<column>
<header text="Customer ID"/>
</column>
<column>
<header text="First Name"/>
</column>
<column>
<header text="Last Name"/>
</column>
</table>
</borderPane>
< /xal>

import java.util.Vector;

import com.nexaweb.client.mco.AbstractMco;
import com.nexaweb.nfc.components.*;
import com.nexaweb.nfc.mvc.controllers.*;
import com.nexaweb.nfc.components.Application;
import com.nexaweb.nfc.mvc.model.*;
import com.nexaweb.xml.*;

/**
* Class to control a table using the model view controller
* classes in NFC.
*/
public class CustomerTableControl extends AbstractMco {

private static Vector s_data = new Vector();

/**
* Populate some sample beans to use with the data provider.
*/

static {
s_data.add(new Customer(1, "Robert", "Buffone"));
s_data.add(new Customer(37, "John", "Constantine"));
s_data.add(new Customer(47, "Dave", "Gennaco"));
}

/**
* Use this class to load the data and control the table
* element using MVC.
*
* @param tableElement The table element.
*/
public void handleTable(Element tableElement) {

// Get the application context used by NFC for this session
Application app = Application.getApplication(getSession());

// Get the table to control (the view)
Table customerTable = (Table) app.getComponent(tableElement);

// This will be the order in which the values are extracted from each
// customer record (the column order) using the indexed value provider
String [] valueSelectionList = {"id","firstName","lastName"};
try {
// Create a data provider to present the list of customers.
// This is the model.
BeanDataProvider customerDataProvider = new BeanDataProvider();
customerDataProvider.setData(s_data);

// Create an indexed value provider to select each piece of
// information
// for each column
BeanValueProvider customerValueProvider = new BeanValueProvider(
valueSelectionList);

// Set up the table controller
TableController tableController = new TableController(
customerDataProvider, customerValueProvider, customerTable);

// Fire the refresh, this will populate the table with values
// retrieved from the data providers by signalling the controller
// from the model side
customerDataProvider.fireRefreshEvent();

} catch (Exception e) {
System.out.println("Exception controlling table");
e.printStackTrace();
}
}

/**
* Customer class, to simulate a bean or DTO for use in this example.
*
* @author dgennaco
*/

public static class Customer{

private int _id;
private String _firstName;
private String _lastName;

public Customer(int id, String first, String last) {
_id = id;
_firstName = first;
_lastName = last;
}

public void setId(int id) {
_id = id;
}

public void setFirstName(String first) {
_firstName = first;
}

public void setLastName(String last) {
_lastName = last;
}

public int getId() {
return _id;
}

public String getFirstName() {
return _firstName;
}

public String getLastName() {
return _lastName;
}
}
}