JGoodies Binding: Value Holder Example : Data Binding « Swing Components




/*

Code revised from Desktop Java Live:

http://www.sourcebeat.com/downloads/

*/

import java.awt.event.ActionEvent;



import javax.swing.AbstractAction;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;



import com.jgoodies.binding.adapter.BasicComponentFactory;

import com.jgoodies.binding.value.ValueHolder;

import com.jgoodies.forms.builder.DefaultFormBuilder;

import com.jgoodies.forms.layout.FormLayout;



public class ValueHolderExample extends JPanel {

    private ValueHolder valueHolder;



    public ValueHolderExample() {

        DefaultFormBuilder defaultFormBuilder = new DefaultFormBuilder(new FormLayout("p, 2dlu, p:g"));

        defaultFormBuilder.setDefaultDialogBorder();



        this.valueHolder = new ValueHolder("Text Value");

        JTextField textField = BasicComponentFactory.createTextField(valueHolder);



        defaultFormBuilder.append("TextField: ", textField);

        defaultFormBuilder.append(new JButton(new ShowValueHolderValueAction()), 3);



        add(defaultFormBuilder.getPanel());

    }



    private class ShowValueHolderValueAction extends AbstractAction {

        public ShowValueHolderValueAction() {

            super("Show Value");

        }



        public void actionPerformed(ActionEvent event) {

            StringBuffer message = new StringBuffer();

            message.append("<html>");

            message.append("<b>Value:</b> ");

            message.append(valueHolder.getValue());

            message.append("</html>");



            JOptionPane.showMessageDialog(null, message.toString());

        }

    }





    public static void main(String[] a){

      JFrame f = new JFrame("ValueHolder Example");

      f.setDefaultCloseOperation(2);

      f.add(new ValueHolderExample());

      f.pack();

      f.setVisible(true);

    }

}
JGoodies Binding: Value Holder Example : Data Binding « Swing Components « Java
