com.qut.middleware.esoemanager.client.ui.CorePanel.java Source code

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Here is the source code for com.qut.middleware.esoemanager.client.ui.CorePanel.java

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/* Copyright 2008, Queensland University of Technology
 * 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 com.qut.middleware.esoemanager.client.ui;

import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.SourcesTabEvents;
import com.google.gwt.user.client.ui.TabListener;
import com.google.gwt.user.client.ui.TabPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.qut.gwtuilib.client.eventdriven.eventmgr.BaseEvent;
import com.qut.gwtuilib.client.eventdriven.eventmgr.EventController;
import com.qut.gwtuilib.client.eventdriven.eventmgr.EventListener;
import com.qut.gwtuilib.client.eventdriven.events.MessageEvent;
import com.qut.middleware.esoemanager.client.EsoeManager;
import com.qut.middleware.esoemanager.client.EsoeManagerConstants;
import com.qut.middleware.esoemanager.client.events.EventConstants;
import com.qut.middleware.esoemanager.client.events.ShowServiceDetailsEvent;
import com.qut.middleware.esoemanager.client.ui.panels.AttributesPanel;
import com.qut.middleware.esoemanager.client.ui.panels.CreditsPanel;
import com.qut.middleware.esoemanager.client.ui.panels.CryptoPanel;
import com.qut.middleware.esoemanager.client.ui.panels.DashboardPanel;
import com.qut.middleware.esoemanager.client.ui.panels.MetadataPanel;
import com.qut.middleware.esoemanager.client.ui.panels.ServiceCreationPanel;
import com.qut.middleware.esoemanager.client.ui.panels.ServicePanel;
import com.qut.middleware.esoemanager.client.ui.panels.ServicesPanel;

public class CorePanel extends VerticalPanel implements EventListener {
    /* All events this class instance will respond to */
    private final String[] registeredEvents = { EventConstants.showServiceDetails };

    private TabPanel serviceComponents;

    private DashboardPanel dashboardPanel;
    private CryptoPanel cryptoPanel;
    private AttributesPanel attributesPanel;
    private MetadataPanel metadataPanel;
    private ServicesPanel servicesPanel;
    private ServicePanel servicePanel;
    private ServiceCreationPanel serviceCreationPanel;
    private CreditsPanel creditsPanel;

    private String esoeID;

    public CorePanel(String esoeID) {
        super();
        this.esoeID = esoeID;
        EsoeManager.contentService.isSuperUser(new SuperUserHandler());
        EventController.registerListener(this);
    }

    private void createInterface(boolean superUser) {
        this.serviceComponents = new TabPanel();

        if (superUser) {
            this.cryptoPanel = new CryptoPanel(esoeID);
            this.attributesPanel = new AttributesPanel(esoeID);
            this.serviceCreationPanel = new ServiceCreationPanel();
        }

        this.dashboardPanel = new DashboardPanel(esoeID);
        this.metadataPanel = new MetadataPanel(esoeID);
        this.servicesPanel = new ServicesPanel();
        this.servicePanel = new ServicePanel();
        this.creditsPanel = new CreditsPanel();

        VerticalPanel serviceManager = new VerticalPanel();
        serviceManager.add(servicesPanel);
        serviceManager.add(servicePanel);

        this.serviceComponents.add(this.dashboardPanel, "Dashboard");
        this.serviceComponents.add(serviceManager, "Services");

        if (superUser) {
            this.serviceComponents.add(this.cryptoPanel, "Cryptography");
            this.serviceComponents.add(this.attributesPanel, "Attributes");
            this.serviceComponents.add(this.serviceCreationPanel, "Service Creation");
        }

        this.serviceComponents.add(this.metadataPanel, "Network Metadata");
        this.serviceComponents.add(this.creditsPanel, "Credits");

        this.serviceComponents.selectTab(0);
        this.serviceComponents.addTabListener(new TabListener() {
            public boolean onBeforeTabSelected(SourcesTabEvents sender, int tabIndex) {
                if (tabIndex == 1)
                    EventController.executeEvent(new BaseEvent(EventConstants.showServiceList));

                return true;
            }

            public void onTabSelected(SourcesTabEvents sender, int tabIndex) {
            }
        });

        this.add(this.serviceComponents);
    }

    public void executeEvent(BaseEvent event) {
        if (event.getName().equals(EventConstants.showServiceDetails)) {
            ShowServiceDetailsEvent serviceDetails = (ShowServiceDetailsEvent) event;
            serviceComponents.selectTab(1);
            ShowServiceDetailsEvent showServiceDetails = new ShowServiceDetailsEvent(EventConstants.showService,
                    serviceDetails.getServiceID());
            EventController.executeEvent(showServiceDetails);
        }
    }

    public String[] getRegisteredEvents() {
        return this.registeredEvents;
    }

    private class SuperUserHandler implements AsyncCallback {
        public void onFailure(Throwable caught) {
            EventController.executeEvent(new MessageEvent(EventConstants.userMessage, EsoeManagerConstants.areaID,
                    MessageEvent.error,
                    "Unable to determine user access level contact a system administrator. Server response: "
                            + caught.getLocalizedMessage()));
        }

        public void onSuccess(Object result) {
            Boolean superUser = (Boolean) result;
            createInterface(superUser.booleanValue());
        }
    }
}