/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved. * * Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common * Development and Distribution License("CDDL") (collectively, the * "License"). You may not use this file except in compliance with the * License. You can obtain a copy of the License at * http://www.netbeans.org/cddl-gplv2.html * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the * specific language governing permissions and limitations under the * License. When distributing the software, include this License Header * Notice in each file and include the License file at * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the GPL Version 2 section of the License file that * accompanied this code. If applicable, add the following below the * License Header, with the fields enclosed by brackets [] replaced by * your own identifying information: * "Portions Copyrighted [year] [name of copyright owner]" * * Contributor(s): * * The Original Software is NetBeans. The Initial Developer of the Original * Software is Sun Microsystems, Inc. Portions Copyright 1997-2010 Sun * Microsystems, Inc. All Rights Reserved. * * If you wish your version of this file to be governed by only the CDDL * or only the GPL Version 2, indicate your decision by adding * "[Contributor] elects to include this software in this distribution * under the [CDDL or GPL Version 2] license." If you do not indicate a * single choice of license, a recipient has the option to distribute * your version of this file under either the CDDL, the GPL Version 2 or * to extend the choice of license to its licensees as provided above. * However, if you add GPL Version 2 code and therefore, elected the GPL * Version 2 license, then the option applies only if the new code is * made subject to such option by the copyright holder. */ 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))); } }