de.kp.ames.web.client.core.apps.CustomAppsManager.java Source code

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Here is the source code for de.kp.ames.web.client.core.apps.CustomAppsManager.java

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package de.kp.ames.web.client.core.apps;
/**
 *   Copyright 2012 Dr. Krusche & Partner PartG
 *
 *   AMES-Disaster is free software: you can redistribute it and/or 
 *   modify it under the terms of the GNU General Public License 
 *   as published by the Free Software Foundation, either version 3 of 
 *   the License, or (at your option) any later version.
 *
 *   AMES-Disaster is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
 * 
 *  See the GNU General Public License for more details. 
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this software. If not, see <http://www.gnu.org/licenses/>.
 *
 */

/**
 * @author Stefan Krusche (krusche@dr-kruscheundpartner.de)
 *
 */

import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONValue;

import de.kp.ames.web.client.core.activity.ActivityImpl;
import de.kp.ames.web.client.core.widget.base.BaseApp;
import de.kp.ames.web.client.core.widget.base.ControlLabel;
import de.kp.ames.web.client.fnc.bulletin.widget.BulletinImpl;
import de.kp.ames.web.client.fnc.help.HelpImpl;
import de.kp.ames.web.client.fnc.login.DisclaimerDialog;
import de.kp.ames.web.client.fnc.scm.ScmSysImpl;
import de.kp.ames.web.client.fnc.service.DisclaimerService;
import de.kp.ames.web.client.fnc.workshop.widget.WorkshopImpl;
import de.kp.ames.web.client.test.ShowCaseImpl;
import de.kp.ames.web.shared.constants.ApplicationConstants;

public class CustomAppsManager extends AppsManager {

    private static CustomAppsManager instance = new CustomAppsManager();
    private String oldProfile = null;

    /**
     * Constructor
     */
    private CustomAppsManager() {
    }

    public static CustomAppsManager getInstance() {
        if (instance == null)
            instance = new CustomAppsManager();
        return instance;
    }

    /**
     * Create showcase viewport
     */
    public void createShowCase() {

        /* 
         * Remove the initial splash screen
         */
        removeSplash();

        /*
         * Create viewport
         */
        createViewport();

        /*
         * Create ShowCase
         */
        createApp(ApplicationConstants.FNC_APP_ID_ShowCase);

    }

    /**
     * Create showcase viewport
     */
    public void createShowCase(JSONValue jValue) {

        JSONObject jObject = jValue.isObject();

        /*
         * Retrieve User
         */
        JSONObject jUser = jObject.get("user").isObject();
        UserManager.getInstance().setUser(jUser);

        /*
         * Register callers apps
         */
        this.jRegisteredApps = jObject.get("apps").isArray();

        /* 
         * Remove the initial splash screen
         */
        removeSplash();

        /*
         * Create viewport
         */
        createViewport();

        /*
         * Create ShowCase
         */
        createApp(ApplicationConstants.FNC_APP_ID_ShowCase);

    }

    /**
     * Create operational viewport
     */
    public void createOpsCase(JSONValue jValue) {

        JSONObject jObject = jValue.isObject();

        /*
         * Retrieve User
         */
        JSONObject jUser = jObject.get("user").isObject();
        UserManager.getInstance().setUser(jUser);

        /*
         * Register callers apps
         */
        this.jRegisteredApps = jObject.get("apps").isArray();

        /* 
         * Remove the initial splash screen
         */
        removeSplash();

        /*
         * Create viewport
         */
        createViewport();

        /* 
         * Add the user to main topline
         */
        viewport.setUser(UserManager.getInstance().getUserName());

        /*
         * Create desktop application as initial
         * viewport to enable the user to select
         * specific apps
         */
        createDesktop();

        /*
         * Show disclaimer dialog
         */
        createDisclaimer();

    }

    @Override
    public void afterControlSelected(final String id, final ControlLabel control) {

        /*
         * Deselect respective control
         */
        control.setSelected(false);
        /*
         * Invoke main controller to create the app
         */
        CustomAppsManager.getInstance().createApp(id);

    }

    @Override
    public void createApp(String profile) {

        /*
         * If same app switch back to Desktop
         */
        if (oldProfile.equals(profile)) {
            return;
        }

        // remember chosen app
        oldProfile = profile;

        /*
         * All apps are derived from an HLayout
         */
        BaseApp app = null;

        /*
         * Create initial application either
         * as a Web Desktop or Web Portal
         */
        app = createInitialApp(profile);

        /*
         * Create additional applications that refer to
         * the current project environment
         */
        if (profile.equals(ApplicationConstants.FNC_APP_ID_Help)) {
            /*
             * Create Online Help
             */
            app = new HelpImpl();

        } else if (profile.equals(ApplicationConstants.FNC_APP_ID_Bulletin)) {
            /*
             * Create Bulletin Board application
             */
            app = new BulletinImpl();

        } else if (profile.equals(ApplicationConstants.FNC_APP_ID_ScmSys)) {
            /*
             * Create Source Code Discovery application
             */
            app = new ScmSysImpl();

        } else if (profile.equals(ApplicationConstants.FNC_APP_ID_ShowCase)) {
            /*
             * Create ShowCase application for testing
             * and presentation purpose
             */
            app = new ShowCaseImpl();

        } else if (profile.equals(ApplicationConstants.FNC_APP_ID_Workshop)) {
            /*
             * Create Workshop application for testing
             * and presentation purpose
             */
            app = new WorkshopImpl();

        }

        if (app == null)
            return;

        /*
         * Set app as SearchHandler
         */
        this.setSearchHandler(app);

        /*
         * Append selected app
         */
        replaceApp(app);

    }

    /**
     * Show disclaimer dialog
     */
    private void createDisclaimer() {

        DisclaimerService service = new DisclaimerService();
        service.doGetRequest(new ActivityImpl() {
            public void execute(String response) {
                new DisclaimerDialog(response);
            }
        });

    }

}