Package org.geomajas.example.gwt.client.samples.security

Source Code of org.geomajas.example.gwt.client.samples.security.LoginSample

/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/

package org.geomajas.example.gwt.client.samples.security;

import org.geomajas.example.gwt.client.samples.base.SamplePanel;
import org.geomajas.example.gwt.client.samples.base.SamplePanelFactory;
import org.geomajas.example.gwt.client.samples.i18n.I18nProvider;
import org.geomajas.plugin.staticsecurity.client.Authentication;
import org.geomajas.plugin.staticsecurity.client.LoginWindow;
import org.geomajas.plugin.staticsecurity.client.LogoutButton;
import org.geomajas.plugin.staticsecurity.client.event.LoginFailureEvent;
import org.geomajas.plugin.staticsecurity.client.event.LoginHandler;
import org.geomajas.plugin.staticsecurity.client.event.LoginSuccessEvent;
import org.geomajas.plugin.staticsecurity.client.event.LogoutFailureEvent;
import org.geomajas.plugin.staticsecurity.client.event.LogoutHandler;
import org.geomajas.plugin.staticsecurity.client.event.LogoutSuccessEvent;

import com.smartgwt.client.util.SC;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VLayout;

/**
* <p>
* Sample that shows a map with an OpenStreetMap layer.
* </p>
*
* @author Pieter De Graef
*/
public class LoginSample extends SamplePanel {

  public static final String LOGIN_TITLE = "Login";

  public static final SamplePanelFactory FACTORY = new SamplePanelFactory() {

    public SamplePanel createPanel() {
      return new LoginSample();
    }
  };

  public Canvas getViewPanel() {
    final VLayout layout = new VLayout();
    layout.setWidth100();
    layout.setHeight100();
    layout.setMembersMargin(20);

    // Create horizontal layout for the buttons:
    HLayout buttonLayout = new HLayout();
    buttonLayout.setMembersMargin(10);
    buttonLayout.setHeight(25);

    // Create a button that displays the login window on click:
    final IButton loginButton = new IButton("Log in");
    loginButton.setIcon("[ISOMORPHIC]/geomajas/silk/key.png");
    loginButton.addClickHandler(new ClickHandler() {

      public void onClick(ClickEvent event) {
        LoginWindow loginWindow = new LoginWindow();
        loginWindow.setKeepInParentRect(true);
        layout.addMember(loginWindow);
      }
    });

    // Add a login handler that disables the login button on successful login:
    Authentication.getInstance().addLoginHandler(new LoginHandler() {

      public void onLoginFailure(LoginFailureEvent event) {
      }

      public void onLoginSuccess(LoginSuccessEvent event) {
        loginButton.setDisabled(true);
      }
    });

    // Create a log out button, and attach an event handler:
    LogoutButton logoutButton = new LogoutButton(new LogoutHandler() {

      // Show localized messages:
      public void onLogoutFailure(LogoutFailureEvent event) {
        SC.warn(I18nProvider.getSampleMessages().logoutFailure());
      }

      // Logout success - enable the login button again:
      public void onLogoutSuccess(LogoutSuccessEvent event) {
        SC.say(I18nProvider.getSampleMessages().logoutSuccess());
        loginButton.setDisabled(false);
      }
    });

    buttonLayout.addMember(loginButton);
    buttonLayout.addMember(logoutButton);
    layout.addMember(buttonLayout);
    return layout;
  }

  public String getDescription() {
    return I18nProvider.getSampleMessages().loginDescription();
  }

  public String getSourceFileName() {
    return "classpath:org/geomajas/example/gwt/client/samples/security/LoginSample.txt";
  }

  public String[] getConfigurationFiles() {
    return new String[] { "WEB-INF/security.xml" };
  }

  public String ensureUserLoggedIn() {
    return null;
  }
}
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