uicontroller.java

实现了一个基于j2me移动gps定位系统

/*
 * Copyright 2001, 2002, 2003 Sun Microsystems, Inc. All Rights Reserved.
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 * with or without modification, are permitted provided that the
 * following conditions are met:
 * - Redistribution of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * - Redistribution in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * You may compile, use, perform and display the following files with
 * original Java Smart Ticket Sample Application code obtained from Sun
 * Microsystems, Inc. only:
 * - files in PNG format and having the ".png" extension
 * - files in GIF format and having the ".gif" extension
 * - files in JPEG format and having the ".jpg" extension
 * You may not modify or redistribute .png, .gif, or .jpg files in any
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 * Neither the name of Sun Microsystems, Inc., the 'Java Smart Ticket
 * Sample Application', 'Java', 'Java'-based names, or the names of
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
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/*
 * $Id: UIController.java 291 2008-10-06 09:03:15Z khanh.lnq $
 * $URL: https://jvnmobilegis.googlecode.com/svn/trunk/src/org/javavietnam/gis/client/midp/ui/UIController.java $
 * $Author: khanh.lnq $
 * $Revision: 291 $
 * $Date: 2008-10-06 16:03:15 +0700 (Mon, 06 Oct 2008) $
 *
 * ====================================================================
 *
 * Copyright (C) 2006-2007 by JVNGIS
 *
 * All copyright notices regarding JVNMobileGIS MUST remain
 * intact in the Java codes and resource files.
 *
 * This program 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 2 of the License, or
 * any later version.
 *
 * This program 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 program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Support can be obtained from project homepage at:
 * http://code.google.com/p/jvnmobilegis/
 *
 * Correspondence and Marketing Questions can be sent to:
 * khanh.lnq AT gmail.com
 *
 * @version: 1.0
 * @author: Khanh Le
 * @Date Created: 22 Jun 2007
 */
package org.javavietnam.gis.client.midp.ui;

import java.io.IOException;
import java.io.OutputStream;
import java.util.Vector;

import javax.microedition.io.Connector;
import javax.microedition.io.file.FileConnection;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.List;
import javax.microedition.midlet.MIDlet;

import org.bouncycastle.util.encoders.Base64;
import org.javavietnam.gis.client.midp.JVNMobileGISMIDlet;
import org.javavietnam.gis.client.midp.model.MessageCodes;
import org.javavietnam.gis.client.midp.model.ModelFacade;
import org.javavietnam.gis.client.midp.model.Preferences;
import org.javavietnam.gis.client.midp.util.GpsBt;
import org.javavietnam.gis.shared.midp.ApplicationException;
import org.javavietnam.gis.shared.midp.IndexedResourceBundle;
import org.javavietnam.gis.shared.midp.VietSign;
import org.javavietnam.gis.shared.midp.model.Credentials;
import org.javavietnam.gis.shared.midp.model.LayerInformation;
import org.javavietnam.gis.shared.midp.model.MapFeature;
import org.javavietnam.gis.shared.midp.model.SearchFeatureParameter;
import org.javavietnam.gis.shared.midp.model.WMSRequestParameter;

/**
 * @author khanhlnq
 */
public class UIController {

    private static final String BASE_NAME_UI_RESOURCES = "UIResources2";
    private static final String BASE_NAME_MESSAGE_RESOURCES = "MessageResources";

    public static class EventIds {

        public static final byte EVENT_ID_GETMAPWMS = 1;
        public static final byte EVENT_ID_GETCAPABILITIESWMS = 2;
        public static final byte EVENT_ID_UPDATEMAPWMS = 3;
        // public static final byte EVENT_ID_FINDPATHWMS = 4;
        // public static final byte EVENT_ID_VIEWPATHWMS = 5;
        public static final byte EVENT_ID_GETFEATUREINFO = 6;
        public static final byte EVENT_ID_SEARCHFEATURE = 7;
        public static final byte EVENT_ID_VIEWFEATURE = 8;
        public static final byte EVENT_ID_CHECKUPDATE = 9;
        public static final byte EVENT_ID_SAVEMAPTOFILE = 10;
        public static final byte EVENT_ID_SAVETOFILE = 11;
        public static final byte EVENT_ID_SHOWDIR = 12;
        public static final byte EVENT_ID_CHECKEXISTING = 13;
        public static final byte EVENT_ID_GPSSEARCHING = 14;
        public static final byte EVENT_ID_GPSREADING = 15;
    }

    private static final String[] iconPaths = { "/icons/JVNMobileGIS_icon.png",
            "/icons/map_server_icon.png", "/icons/preferences_icon.png",
            "/icons/check_update_icon.png", "/icons/flags/en.png",
            "/icons/flags/vn.png", "/icons/flags/nl.png",
            "/icons/error_alert_icon.png", "/icons/info_alert_icon.png",
            "/icons/dir.png", "/icons/file.png" };
    private final MIDlet midlet;
    /**
     * @uml.property name="display"
     */
    private final Display display;
    private IndexedResourceBundle resourceBundle;
    private IndexedResourceBundle messageBundle;
    private final ModelFacade model;
    public VietSign vietSign;
    public MapServersCmd mapServersCmd;
    private final Image[] icons = new Image[iconPaths.length];
    private FileConnection fileConnection;
    private OutputStream out = null;
    private Command mainMenuCommand;
    private Command exitCommand;
    private Command aboutCommand;
    // private Alert alert;
    private MainMenuUI mainMenuUI;
    private PreferencesUI preferencesUI;
    private MapServerUI mapServerUI;
    private MapViewUI mapViewUI;
    // private FindPathUI findPathUI;
    private LBSMainUI lbsMainUI;
    private GpsUI gpsUI;
    private SearchFeatureUI searchFeatureUI;
    private SearchFeatureResultUI searchFeatureResultUI;
    private LayerSelectUI layerSelectUI;
    private FeatureInfoUI featureInfoUI;
    private HelpUI helpUI;
    private LayerListUI layerListUI;
    private SortLayerListUI sortLayerListUI;
    private ProgressObserverUI progressObserverUI;
    private PromptDialog promptDialog;
    private ConfirmDialogUI confirmDialogUI;
    private FileSystemBrowserUI fileSystemBrowserUI;
    private FileSystemCreatorUI fileSystemCreatorUI;
    private final Credentials credentials;
    private Displayable currentFallBackUI;

    // private EventDispatcher currentThread;

    public UIController(MIDlet midlet, ModelFacade model) {
        this.credentials = new Credentials();
        this.midlet = midlet;
        this.display = Display.getDisplay(midlet);
        this.model = model;
        vietSign = new VietSign(midlet);
    }

    /**
     * @return Returns the display.
     * @uml.property name="display"
     */
    public Display getDisplay() {
        return display;
    }

    public String getString(int uiConstant) {
        return resourceBundle.getString(uiConstant);
    }

    public String getMessage(int messageId) {
        return messageBundle.getString(messageId);
    }

    public MIDlet getMIDlet() {
        return midlet;
    }

    /**
     * @return the model
     * @uml.property name="model"
     */
    public ModelFacade getModel() {
        return model;
    }

    public void init() throws ApplicationException {
        deinitialize(true);
        resourceBundle = model.getResourceBundle(BASE_NAME_UI_RESOURCES);
        messageBundle = model.getResourceBundle(BASE_NAME_MESSAGE_RESOURCES);

        createCommands();
        // setCommands(mapViewUI);
        // setCommands(preferencesUI);
        // setCommands(layerListUI);
        // setCommands(mapServerUI);

        model.setProgressObserver(getProgressObserverUI());

        mapServersCmd = new MapServersCmd(this);

        for (int i = 0; i < iconPaths.length; i++) {
            try {
                icons[i] = Image.createImage(iconPaths[i]);
            } catch (IOException ioe) {
                System.out.println("can not get image " + iconPaths[i]);
            }
        }

        Alert alert = new Alert(
                null,
                getString(UIConstants.MOBILEGIS_CLIENT)
                        + " version "
                        + (null == midlet
                                .getAppProperty(JVNMobileGISMIDlet.PROPERTY_MIDLET_VERSION) ? ""
                                : midlet
                                        .getAppProperty(JVNMobileGISMIDlet.PROPERTY_MIDLET_VERSION))
                        + " \n" + getString(UIConstants.COPYRIGHT),
                icons[UIConstants.ICON_IDX_SPLASH], null);
        alert.setTimeout(UIConstants.SPLASH_TIMEOUT);

        display.setCurrent(alert, getMainMenuUI());
    }

    public void destroy() {
    }

    public MainMenuUI getMainMenuUI() {
        if (mainMenuUI == null) {
            mainMenuUI = new MainMenuUI(this);
        }
        return mainMenuUI;
    }

    private Displayable getCurrentFallBackUI() {
        if (currentFallBackUI == null) {
            currentFallBackUI = getMainMenuUI();
        }

        return currentFallBackUI;
    }

    public PreferencesUI getPreferencesUI() {
        if (preferencesUI == null) {
            preferencesUI = new PreferencesUI(this);
        }
        return preferencesUI;
    }

    public MapServerUI getMapServerUI() {
        if (mapServerUI == null) {
            try {
                mapServerUI = new MapServerUI(this, model.getPreferences()
                        .getWmsServerURL());
            } catch (ApplicationException ae) {
                ae.printStackTrace();
                showErrorAlert(ae, getMainMenuUI());
            }
        }
        return mapServerUI;
    }

    public MapViewUI getMapViewUI() {
        if (mapViewUI == null) {
            mapViewUI = new MapViewUI(this, false);
        }
        return mapViewUI;
    }

    private LBSMainUI getLBSMainForm() {
        if (lbsMainUI == null) {
            lbsMainUI = new LBSMainUI(this);
        }
        return lbsMainUI;
    }

    private GpsUI getGpsUI() {
        if (gpsUI == null) {
            gpsUI = new GpsUI(this);
        }

        return gpsUI;
    }

    public SearchFeatureUI getSearchFeatureUI() {
        if (searchFeatureUI == null) {
            searchFeatureUI = new SearchFeatureUI(this);
        }
        return searchFeatureUI;