logsettingsform.java

The Funambol J2ME Mail Client aims to be a light, easy to use, free email client for J2ME devices.

/*
 * Copyright (C) 2006-2007 Funambol
 *
 * 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
 * (at your option) 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
 */

package com.funambol.mailclient.ui.view;

import com.funambol.mailclient.ui.controller.UIController;
import com.funambol.mailclient.loc.Localization;
import com.funambol.util.Log;
import javax.microedition.lcdui.Choice;
import javax.microedition.lcdui.ChoiceGroup;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.ItemStateListener;

/**
 * This form shows all the settings related to the
 * Log functions
 * The user will be able to configure the log level for
 * the application and see the log content
 */
public class LogSettingsForm extends Form implements CommandListener  {
    
    private Command backCommand;
    private Command viewLogCommand;
    private Command saveCommand;
    // Stats ONLY for Development purposes. TO BE REMOVED in final release
    private ChoiceGroup logLevelChoice;
   
    
    private String logEnablingChoiceLabel;
    
    /** Creates a new instance of LogSettingsForm */
    public LogSettingsForm() {
        super(Localization.getMessages().LOG_SETTINGS_FORM_TITLE);
        backCommand = UIController.backCommand;
        viewLogCommand =
                new Command(Localization.getMessages().LSF_VIEW_LOG_COMMAND,
                UIController.COMMAND_TYPE, 5);
        saveCommand = UIController.saveCommand;
        //append(getLogEnablingChoice());
        
        append(getLogLevelChoice());
        int logLevel = UIController.mailClientConfig.getLogLevel();
        logLevelChoice.setSelectedIndex(getIndexFromLogLevel(logLevel), true);
        
  
        addCommand(backCommand);
        addCommand(viewLogCommand);
        
        addCommand(saveCommand);
     
        setCommandListener(this);
    }
    
    public void commandAction(Command command, Displayable displayable) {
        if (command == backCommand) {
            UIController.showBackScreen();
        } else if (command == viewLogCommand) {
            UIController.showLogViewer(this);
        } else if (command == saveCommand) {
          
            UIController.updateLogLevel(getLogLevelFromIndex(logLevelChoice.getSelectedIndex()));
            UIController.showBackScreen();
        
        }
    }
    
    private Item getLogLevelChoice() {
        if (logLevelChoice == null) {
            logLevelChoice =
                    new ChoiceGroup(Localization.getMessages().LSF_LOG_LEVEL_CHOICE_LABEL, Choice.EXCLUSIVE, new String[] {
                Localization.getMessages().LSF_LOG_LEVEL_DISABLED,
                Localization.getMessages().LSF_LOG_LEVEL_CHOICE_0,
                Localization.getMessages().LSF_LOG_LEVEL_CHOICE_1
            }, new Image[] {null, null, null});
        }
        return logLevelChoice;
    }
    
    
    /**
     * get the log level from the index
     * @param index the index of the selected item in loglevelchoice
     * @return the log level corresponding to the given index
     */
     private int getLogLevelFromIndex(int index)  {
           switch ( index ) {
            
            case 0 :
                return Log.DISABLED;
            case 1:
                return Log.ERROR;
            case 2:
                return Log.INFO;
            default:
                return Log.DISABLED;
        }
     }
     
     
     /**
     * get the index of the item to be selected in 
     * loglevelchoice from the given log level
     * @param loglevel the  log level
     * @return the index of loglevelchoice corresponding 
     *  to the given log level
     */
    private int getIndexFromLogLevel(int logLevel) {
        
        switch ( logLevel ) {
            case Log.DISABLED:
                return 0;
            case Log.ERROR:
                return 1;
            case Log.INFO:
                return 2;
            default:
                return 0;
        }
    }
    

}