org.jboss.errai.workspaces.client.Header.java Source code

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Here is the source code for org.jboss.errai.workspaces.client.Header.java

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/*
 * Copyright 2010 JBoss, a divison Red Hat, Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jboss.errai.workspaces.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Cookies;
import com.google.gwt.user.client.ui.*;
import org.gwt.mosaic.ui.client.LayoutPopupPanel;
import org.gwt.mosaic.ui.client.layout.BoxLayout;
import org.gwt.mosaic.ui.client.layout.BoxLayoutData;
import org.gwt.mosaic.ui.client.layout.LayoutPanel;
import org.jboss.errai.bus.client.ErraiBus;
import org.jboss.errai.bus.client.api.Message;
import org.jboss.errai.bus.client.api.base.MessageBuilder;
import org.jboss.errai.bus.client.api.MessageCallback;
import org.jboss.errai.bus.client.protocols.SecurityCommands;
import org.jboss.errai.bus.client.security.AuthenticationContext;
import org.jboss.errai.bus.client.security.Role;
import org.jboss.errai.bus.client.security.SecurityService;
import org.jboss.errai.workspaces.client.framework.Registry;
import org.jboss.errai.workspaces.client.icons.ErraiImageBundle;

import java.util.Date;
import java.util.Set;

/**
 * Top header
 */
public class Header extends LayoutPanel {
    private HTML username = new HTML("Unknown user");
    private Date loginDate;

    public Header() {
        super(new BoxLayout(BoxLayout.Orientation.HORIZONTAL));
        // this.setStyleName("bpm-header");

        createInfoPanel();

        ErraiBus.get().subscribe("appContext.login", new MessageCallback() {
            public void callback(Message message) {
                AuthenticationContext authContext = Registry.get(SecurityService.class).getAuthenticationContext();
                String userName = authContext.getName() != "" ? authContext.getName() : "Not authenticated";
                username.setText(userName);
                loginDate = new Date();
                layout();
            }
        });
    }

    private void createInfoPanel() {

        // ----------- logo panel
        LayoutPanel logoPanel = new LayoutPanel(new BoxLayout());
        logoPanel.setStyleName("bpm-header-left");

        /*
         * Image logo = new Image(appContext.getConfig().getLogo()); logo.setHeight("50"); logoPanel.add(logo);
         */

        // ----------- info panel
        HorizontalPanel infoPanel = new HorizontalPanel();
        infoPanel.setVerticalAlignment(HasVerticalAlignment.ALIGN_BOTTOM);
        infoPanel.setSpacing(5);
        infoPanel.setStyleName("bpm-header-right");

        // account info
        ErraiImageBundle icons = GWT.create(ErraiImageBundle.class);
        Image img = new Image(icons.user());
        img.addClickHandler(new ClickHandler() {

            public void onClick(ClickEvent clickEvent) {
                String sessionId = Cookies.getCookie("JSESSIONID") != null ? Cookies.getCookie("JSESSIONID") : "";
                AuthenticationContext authContext = Registry.get(SecurityService.class).getAuthenticationContext();
                Set<Role> roleSet = authContext.getRoles();

                StringBuffer roles = new StringBuffer();
                for (Role r : roleSet) {
                    roles.append(r.getRoleName()).append(" ");
                }

                StringBuffer sb = new StringBuffer("<h3>User information</h3>");
                sb.append("- User: ").append(authContext.getName()).append("<br/>");
                sb.append("- Logged in since: ").append(loginDate).append("<br/>");
                sb.append("- SID: ").append(sessionId).append("<br/>");
                sb.append("- Roles: ").append(roles.toString()).append("<br/>");

                final LayoutPopupPanel popup = new LayoutPopupPanel(true);
                popup.setPopupPosition(clickEvent.getRelativeElement().getAbsoluteLeft() - 120,
                        clickEvent.getRelativeElement().getAbsoluteTop() + 20);
                popup.setAnimationEnabled(true);
                popup.setSize("240px", "130px");
                HTML html = new HTML(sb.toString());
                html.setStyleName("bpm-user-info-popup");
                popup.add(html);
                popup.show();
            }
        });

        Button btn = new Button("Logout", new ClickHandler() {

            public void onClick(ClickEvent clickEvent) {
                MessageBuilder.createMessage().toSubject("AuthenticationService")
                        .command(SecurityCommands.EndSession).noErrorHandling().sendNowWith(ErraiBus.get());
            }
        });

        infoPanel.add(img);
        infoPanel.add(username);
        infoPanel.add(btn);

        this.add(logoPanel, new BoxLayoutData(BoxLayoutData.FillStyle.HORIZONTAL));
        this.add(infoPanel, new BoxLayoutData(177, 50));
    }
}