guru.mmp.application.web.template.components.BackendUserMenu.java Source code

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Here is the source code for guru.mmp.application.web.template.components.BackendUserMenu.java

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/*
 * Copyright 2017 Marcus Portmann
 *
 * 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 guru.mmp.application.web.template.components;

//~--- non-JDK imports --------------------------------------------------------

import guru.mmp.application.web.template.TemplateWebSession;
import guru.mmp.application.web.template.navigation.NavigationState;
import guru.mmp.application.web.template.pages.LoginPage;
import org.apache.wicket.Component;
import org.apache.wicket.Session;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.MarkupElement;
import org.apache.wicket.markup.MarkupStream;
import org.apache.wicket.request.Response;
import org.apache.wicket.request.mapper.parameter.PageParameters;

/**
 * The <code>BackendUserMenu</code> class provides a Wicket component that renders the user menu
 * for the backend user interface for the Web Application Template.
 *
 * @author Marcus Portmann
 */
@SuppressWarnings("CdiManagedBeanInconsistencyInspection")
public class BackendUserMenu extends Component {
    private static final long serialVersionUID = 1000000;

    /**
     * @param id the non-null id of this component
     *
     * @see org.apache.wicket.Component#Component(String)
     */
    public BackendUserMenu(String id) {
        super(id);
    }

    /**
     * Render the backend user menu.
     */
    @Override
    protected void onRender() {
        MarkupStream markupStream = findMarkupStream();
        MarkupElement element = markupStream.get();
        Response response = getResponse();

        if (element instanceof ComponentTag) {
            Session session = getSession();

            if (session instanceof TemplateWebSession) {
                TemplateWebSession webSession = ((TemplateWebSession) session);

                NavigationState navigationState = webSession.getNavigationState();

                if (navigationState.getCachedBackendUserMenuHTML() == null) {
                    if (webSession.isUserLoggedIn()) {
                        String buffer = "<li class=\"dropdown user user-menu\">"
                                + "<a href=\"#\" class=\"dropdown-toggle\" data-toggle=\"dropdown\"><img src=\""
                                + getRequest().getContextPath() + "/images/user-grey.png"
                                + "\" class=\"user-image\" alt=\"User Image\"><span class=\"hidden-xs\">"
                                + webSession.getUserFullName() + "</span></a><ul class=\"dropdown-menu\">"
                                + "<li class=\"user-header\"><img src=\"" + getRequest().getContextPath()
                                + "/images/user-white.png\" class=\"img-circle\" alt=\"User Image\"><p>"
                                + webSession.getUserFullName() + "</p></li><li class=\"user-footer\">"
                                + "<div class=\"pull-right\"><a href=\"" + getRequest().getContextPath()
                                + "/logout\" class=\"btn btn-default btn-flat\">Logout</a></div></li></ul></li>";

                        navigationState.setCachedBackendUserMenuHTML(buffer);
                    } else {
                        String buffer = "<li class=\"user user-menu\"><a href=\""
                                + urlFor(LoginPage.class, new PageParameters())
                                + "\" class=\"dropdown-toggle\"><i class=\"fa fa-sign-in\"></i>"
                                + "<span class=\"hidden-xs\">Login</span></a></li>";

                        navigationState.setCachedBackendUserMenuHTML(buffer);
                    }
                }

                response.write(navigationState.getCachedBackendUserMenuHTML());
            }
        }
    }
}