trackmenu.java

来自「GPS Track connects to a GPS and records 」· Java 代码 · 共 63 行

// J2ME GPS Track
// Copyright (C) 2006 Dana Peters
// http://www.qcontinuum.org/gpstrack

package org.qcontinuum.gpstrack;

import javax.microedition.lcdui.*;
import javax.microedition.rms.*;

public class TrackMenu extends List implements CommandListener {
    
    private Displayable mParent;
    private Command mDetailsCommand, mUploadCommand, mEmailCommand, mBluetoothCommand, mFileCommand, mDeleteCommand, mCancelCommand;
    
    public TrackMenu(Displayable parent) {
        super("Tracks", List.IMPLICIT);
        mParent = parent;
        String recordStores[] = RecordStore.listRecordStores();
        for (int i = 0; i < recordStores.length; i++) {
            if (recordStores[i].compareTo("preferences") != 0) {
                int j;
                for (j = 0; j < size(); j++)
                    if (recordStores[i].compareTo(getString(j)) < 0)
                        break;
                insert(j, recordStores[i], null);
            }
        }
        addCommand(mDetailsCommand = new Command("Details", Command.ITEM, 0));
        addCommand(mUploadCommand = new Command("Upload to web site", Command.ITEM, 1));
        addCommand(mEmailCommand = new Command("Send via email", Command.ITEM, 1));
        addCommand(mBluetoothCommand = new Command("Transfer via Bluetooth", Command.ITEM, 1));
        addCommand(mFileCommand = new Command("Write to local file", Command.ITEM, 1));
        addCommand(mDeleteCommand = new Command("Delete", Command.ITEM, 1));
        addCommand(mCancelCommand = new Command("Back", Command.BACK, 0));
        setCommandListener(this);
    }

    public void commandAction(Command c, Displayable d)  {
        String trackName = getString(getSelectedIndex());
        if (c == mDetailsCommand) {
            GpsTrack.display(new TrackDetails(this, trackName));
        } else if (c == mUploadCommand) {
            GpsTrack.display(new ExportMapUsername(this, trackName));
        } else if (c == mEmailCommand) {
            GpsTrack.display(new ExportFormat(this, trackName, Track.DESTINATION_EMAIL));
        } else if (c == mBluetoothCommand) {
            GpsTrack.display(new ExportFormat(this, trackName, Track.DESTINATION_BLUETOOTH));
        } else if (c == mFileCommand) {
            GpsTrack.display(new ExportFormat(this, trackName, Track.DESTINATION_FILE));
        } else if (c == mDeleteCommand) {
            try {
                RecordStore.deleteRecordStore(trackName);
                GpsTrack.display("Deleted \"" + trackName + "\".", 3, mParent);
            }
            catch (Exception ex) {
                GpsTrack.display(ex, mParent);
            }
        } else if (c == mCancelCommand) {
            GpsTrack.display(mParent);
        }
    }
}