NXJSampleWizardPanel.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package nxjplugin;

import java.awt.Component;
import java.util.HashSet;
import java.util.Set;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.openide.WizardDescriptor;
import org.openide.WizardValidationException;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;

/**
 * Panel just asking for basic info.
 */
public class NXJSampleWizardPanel implements WizardDescriptor.Panel,
        WizardDescriptor.ValidatingPanel, WizardDescriptor.FinishablePanel
{

  private WizardDescriptor wizardDescriptor;
  private NXJSamplePanelVisual component;

  public NXJSampleWizardPanel()
  {
  }

  public Component getComponent()
  {
    if (component == null)
    {
      component = new NXJSamplePanelVisual(this);
      component.setName(NbBundle.getMessage(NXJSampleWizardPanel.class, "LBL_CreateProjectStep"));
    }
    return component;
  }

  public HelpCtx getHelp()
  {
    return new HelpCtx(NXJSampleWizardPanel.class);
  }

  public boolean isValid()
  {
    getComponent();
    return component.valid(wizardDescriptor);
  }
  private final Set<ChangeListener> listeners = new HashSet<ChangeListener>(1); // or can use ChangeSupport in NB 6.0

  public final void addChangeListener(ChangeListener l)
  {
    synchronized (listeners)
    {
      listeners.add(l);
    }
  }

  public final void removeChangeListener(ChangeListener l)
  {
    synchronized (listeners)
    {
      listeners.remove(l);
    }
  }

  protected final void fireChangeEvent()
  {
    Set<ChangeListener> ls;
    synchronized (listeners)
    {
      ls = new HashSet<ChangeListener>(listeners);
    }
    ChangeEvent ev = new ChangeEvent(this);
    for (ChangeListener l : ls)
    {
      l.stateChanged(ev);
    }
  }

  public void readSettings(Object settings)
  {
    wizardDescriptor = (WizardDescriptor) settings;
    component.read(wizardDescriptor);
  }

  public void storeSettings(Object settings)
  {
    WizardDescriptor d = (WizardDescriptor) settings;
    component.store(d);
  }

  public boolean isFinishPanel()
  {
    return true;
  }

  public void validate() throws WizardValidationException
  {
    getComponent();
    component.validate(wizardDescriptor);
  }
}