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package org.netbeans.modules.customerviewer;
import demo.Customer;
import java.util.List;
import java.util.logging.Logger;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.persistence.Query;
import javax.swing.ActionMap;
import javax.swing.SwingUtilities;
import org.netbeans.modules.customerdb.JavaDBSupport;
import org.openide.util.NbBundle;
import org.openide.windows.TopComponent;
import org.openide.windows.WindowManager;
import org.openide.explorer.ExplorerManager;
import org.openide.explorer.ExplorerUtils;
import org.openide.nodes.Children;
import org.openide.util.RequestProcessor;
/**
* Top component which displays something.
*/
public final class CustomerTopComponent extends TopComponent implements ExplorerManager.Provider {
private static CustomerTopComponent instance;
private static final String PREFERRED_ID = "CustomerTopComponent";
private static ExplorerManager em = new ExplorerManager();
public CustomerTopComponent() {
initComponents();
setName(NbBundle.getMessage(CustomerTopComponent.class, "CTL_CustomerTopComponent"));
setToolTipText(NbBundle.getMessage(CustomerTopComponent.class, "HINT_CustomerTopComponent"));
ActionMap map = this.getActionMap();
map.put("delete", ExplorerUtils.actionDelete(em, true)); //NOI18N
associateLookup(ExplorerUtils.createLookup(em, map));
RequestProcessor.getDefault().post(new Runnable () {
@Override
public void run() {
readCustomer();
}
});
}
private void readCustomer() {
JavaDBSupport.ensureStartedDB();
EntityManagerFactory factory = Persistence.createEntityManagerFactory("CustomerDBAccessPU");
if (factory == null) {
// XXX: message box?
return ;
}
EntityManager entityManager = null;
try {
entityManager = factory.createEntityManager();
} catch (RuntimeException re) {
// XXX: message box?
return ;
}
final Query query = entityManager.createQuery("SELECT c FROM Customer c");
SwingUtilities.invokeLater(new Runnable () {
@Override
public void run() {
@SuppressWarnings("unchecked")
List<Customer> resultList = query.getResultList();
em.setRootContext(new CustomerRootNode(Children.create(new CustomerChildFactory(resultList), true)));
}
});
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
beanTreeView1 = new org.openide.explorer.view.BeanTreeView();
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(beanTreeView1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 454, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(beanTreeView1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
);
}// </editor-fold>//GEN-END:initComponents
// Variables declaration - do not modify//GEN-BEGIN:variables
private org.openide.explorer.view.BeanTreeView beanTreeView1;
// End of variables declaration//GEN-END:variables
/**
* Gets default instance. Do not use directly: reserved for *.settings files only,
* i.e. deserialization routines; otherwise you could get a non-deserialized instance.
* To obtain the singleton instance, use {@link #findInstance}.
*/
public static synchronized CustomerTopComponent getDefault() {
if (instance == null) {
instance = new CustomerTopComponent();
}
return instance;
}
/**
* Obtain the CustomerTopComponent instance. Never call {@link #getDefault} directly!
*/
public static synchronized CustomerTopComponent findInstance() {
TopComponent win = WindowManager.getDefault().findTopComponent(PREFERRED_ID);
if (win == null) {
Logger.getLogger(CustomerTopComponent.class.getName()).warning(
"Cannot find " + PREFERRED_ID + " component. It will not be located properly in the window system.");
return getDefault();
}
if (win instanceof CustomerTopComponent) {
return (CustomerTopComponent) win;
}
Logger.getLogger(CustomerTopComponent.class.getName()).warning(
"There seem to be multiple components with the '" + PREFERRED_ID
+ "' ID. That is a potential source of errors and unexpected behavior.");
return getDefault();
}
@Override
public int getPersistenceType() {
return TopComponent.PERSISTENCE_ALWAYS;
}
@Override
public void componentOpened() {
// TODO add custom code on component opening
}
@Override
public void componentClosed() {
// TODO add custom code on component closing
}
void writeProperties(java.util.Properties p) {
// better to version settings since initial version as advocated at
// http://wiki.apidesign.org/wiki/PropertyFiles
p.setProperty("version", "1.0");
// TODO store your settings
}
Object readProperties(java.util.Properties p) {
if (instance == null) {
instance = this;
}
instance.readPropertiesImpl(p);
return instance;
}
private void readPropertiesImpl(java.util.Properties p) {
String version = p.getProperty("version");
// TODO read your settings according to their version
}
@Override
protected String preferredID() {
return PREFERRED_ID;
}
@Override
public ExplorerManager getExplorerManager() {
return em;
}
public static void refreshNode() {
EntityManager entityManager = Persistence.createEntityManagerFactory("CustomerDBAccessPU").createEntityManager();
Query query = entityManager.createQuery("SELECT c FROM Customer c");
@SuppressWarnings("unchecked")
List<Customer> resultList = query.getResultList();
em.setRootContext(new CustomerRootNode(Children.create(new CustomerChildFactory(resultList), true)));
}
}