FirewallButtonBar.java

/*******************************************************************************
 * Copyright (c) 2011, 2016 Eurotech and/or its affiliates
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Eurotech
 *******************************************************************************/
package org.eclipse.kura.web.client.firewall;

import java.util.List;

import org.eclipse.kura.web.client.messages.Messages;
import org.eclipse.kura.web.client.resources.Resources;
import org.eclipse.kura.web.client.util.FailureHandler;
import org.eclipse.kura.web.shared.model.GwtFirewallOpenPortEntry;
import org.eclipse.kura.web.shared.model.GwtFirewallPortForwardEntry;
import org.eclipse.kura.web.shared.model.GwtSession;
import org.eclipse.kura.web.shared.model.GwtXSRFToken;
import org.eclipse.kura.web.shared.service.GwtNetworkService;
import org.eclipse.kura.web.shared.service.GwtNetworkServiceAsync;
import org.eclipse.kura.web.shared.service.GwtSecurityTokenService;
import org.eclipse.kura.web.shared.service.GwtSecurityTokenServiceAsync;

import com.allen_sauer.gwt.log.client.Log;
import com.extjs.gxt.ui.client.Style.HorizontalAlignment;
import com.extjs.gxt.ui.client.event.BaseEvent;
import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.button.ButtonBar;
import com.extjs.gxt.ui.client.widget.layout.FitLayout;
import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.AbstractImagePrototype;

public class FirewallButtonBar extends LayoutContainer
{
	private static final Messages MSGS = GWT.create(Messages.class);

	private final GwtSecurityTokenServiceAsync gwtXSRFService = GWT.create(GwtSecurityTokenService.class);
	private final GwtNetworkServiceAsync gwtNetworkService = GWT.create(GwtNetworkService.class);

	@SuppressWarnings("unused")
	private GwtSession          m_currentSession;
	private FirewallConfigTabs	m_firewallTabs;

	private ButtonBar m_buttonBar;
	private Button    m_applyButton; 

	public FirewallButtonBar(GwtSession currentSession,
			FirewallConfigTabs firewallTabs)
	{
		m_currentSession = currentSession;
		m_firewallTabs   = firewallTabs;


		m_firewallTabs.addListener(Events.Change, new Listener<BaseEvent>() {
			public void handleEvent(BaseEvent be) {
				if(m_firewallTabs.isDirty()) {
					m_buttonBar.enable();
				} else {
					m_buttonBar.disable();
				}
			}
		});
	}

	protected void onRender(Element parent, int index) 
	{        
		super.onRender(parent, index);         
		setLayout(new FitLayout());

		m_buttonBar = new ButtonBar();
		m_buttonBar.setHeight(20);
		m_buttonBar.setAlignment(HorizontalAlignment.CENTER);

		m_applyButton = new Button(MSGS.firewallApply(),
				AbstractImagePrototype.create(Resources.INSTANCE.accept()),
				new SelectionListener<ButtonEvent>() {
			@Override
			public void componentSelected(ButtonEvent ce) {
				Log.debug("about to updateDeviceFirewallOpenPorts() and updateDeviceFirewallPortForwards()");
				final List<GwtFirewallOpenPortEntry> updatedOpenPortConf = m_firewallTabs.getUpdatedOpenPortConfiguration();
				final List<GwtFirewallPortForwardEntry> updatedPortForwardConf = m_firewallTabs.getUpdatedPortForwardConfiguration();

				if(updatedOpenPortConf != null) {
					Log.debug("got updatedOpenPortConf: " + updatedOpenPortConf.size());
					gwtXSRFService.generateSecurityToken(new AsyncCallback<GwtXSRFToken> () {
						@Override
						public void onFailure(Throwable ex) {
							FailureHandler.handle(ex);
						}

						@Override
						public void onSuccess(GwtXSRFToken token) {	
							gwtNetworkService.updateDeviceFirewallOpenPorts(token, updatedOpenPortConf, new AsyncCallback<Void>() {
								public void onSuccess(Void result) {
									Log.debug("updated!");
								}

								public void onFailure(Throwable caught) {
									Log.debug("caught: " + caught.toString());
									FailureHandler.handle(caught);
								}
							});
						}});
				}

				if(updatedPortForwardConf != null) {
					Log.debug("got updatedPortForwardConf: " + updatedPortForwardConf.size());
					gwtXSRFService.generateSecurityToken(new AsyncCallback<GwtXSRFToken> () {
						@Override
						public void onFailure(Throwable ex) {
							FailureHandler.handle(ex);
						}

						@Override
						public void onSuccess(GwtXSRFToken token) {	
					gwtNetworkService.updateDeviceFirewallPortForwards(token, updatedPortForwardConf, new AsyncCallback<Void>() {
						public void onSuccess(Void result) {
							Log.debug("updated!");
						}

						public void onFailure(Throwable caught) {
							Log.debug("caught: " + caught.toString());
							FailureHandler.handle(caught);
						}
					});
						}});
				}
			}
		});
		//m_applyButton.setWidth(100);
		m_buttonBar.add(m_applyButton);

		m_buttonBar.enable();
		add(m_applyButton);
	}	
}