/* * Midlet.java * * Created on 2003年11月25日, 上午10:29 */package handenglish;import javax.microedition.midlet.*;import javax.microedition.lcdui.*;import java.util.*;import java.io.*;/** * * @author  com * @version */public class Midlet extends MIDlet implements CommandListener{    public final int WIN_MENU = 1; //菜單    public final int WIN_JDC = 2; //選擇單員    public final int WIN_HELP = 3;//幫助    public final int WIN_MEG=4;//系統(tǒng)通告    public final int WIN_SELUNIT = 5;//游戲測試選擇單元    public final int WIN_LIST = 6;//詞庫列表    public final int WIN_DOWNWORD = 7; //下載單詞    public final int WIN_DOWNLIST = 8;//下載列表    public final int WIN_REMEMBERWORD = 9;//記憶單詞    public final int WIN_GAME = 10;//測試訓練    public final int WIN_CONNECT = 11;    public final int WIN_QUERY = 12;            public final int npu=20;  //每UNIT單詞數    private Display display;    private WelcomeView m_welcomeView;    private WordUpdataView m_wordUpdataView;    private UnitSelectView m_unitSelectView;    private MyList m_MyList;    private GameCanvas gameCanvas;    public int m_unitNumber;    public int m_wordTotal;    private JdcApp m_jdcApp;    private Form m_MegForm,m_SearchForm;    public Command cmdBack,cmdRecv,cmdUpdate;        private SysParam m_SysParam;        public Midlet(){        /* DbApi systemDb = new DbApi( "systemdb" );         systemDb.deleteAll();         systemDb.closeDatabase();         DbApi listDb = new DbApi( "listdb" );         listDb.deleteAll();         listDb.closeDatabase();*/        m_SysParam = SysParam.getInstance();        cmdBack=new Command("返回",Command.BACK,1 );        cmdRecv = new Command("下載詞庫",Command.OK,1 );        cmdUpdate=new Command("更新詞庫列表",Command.SCREEN,1 );        initWelcomeView();        m_welcomeView.setDispType(3);        display = Display.getDisplay(this);    }    public void getUnitNum(){        DbApi wordDb=new DbApi("wordsdb");        try {            m_wordTotal=wordDb.getRecordNum();            m_unitNumber=(m_wordTotal+npu-1)/npu;         }        finally {            wordDb.closeDatabase();        }    }   /* public void setAllNull(){        gameCanvas=null;        m_jdcApp=null;        m_wordUpdataView=null;    } */        private void freeWin( Displayable s ) {        if ( s == m_welcomeView )            m_welcomeView = null;        else if ( s == m_unitSelectView )            m_unitSelectView = null;        else if ( s == m_wordUpdataView )            m_wordUpdataView = null;        else if ( s == gameCanvas )            gameCanvas = null;        else if ( s == m_jdcApp )            m_jdcApp = null;        else if ( s == m_MegForm )            m_MegForm = null;        else if ( s == m_MyList )            m_MyList = null;        else if ( s == m_SearchForm )            m_SearchForm = null;        System.gc();    }        public void startApp(){        display.setCurrent(m_welcomeView);    }    public void exit(){        destroyApp(true);        notifyDestroyed();    }    public void getUnit(int nowUnitType,int nowUnitId ,Vector nowVector) {        nowVector.removeAllElements();        if (nowUnitType==1)            m_SysParam.getUnit(nowUnitId,npu,nowVector);        else            m_SysParam.getDiffUnit(nowVector);    }        public void nowDisplay(Displayable s,int type){        switch( type ) {            case WIN_JDC:                initUnitSelectView(0);                display.setCurrent(m_unitSelectView);                break;            case WIN_MENU:                initWelcomeView();                m_welcomeView.setDispType(1);                display.setCurrent(m_welcomeView);                break;            case WIN_HELP:                                initWelcomeView();                m_welcomeView.setDispType(2);                m_welcomeView.repaint();                //display.setCurrent(m_welcomeView);]                return;            case WIN_MEG:                /*initWelcomeView();                m_welcomeView.setDispType(3); */                initMegForm();                display.setCurrent( m_MegForm);                break;            case WIN_SELUNIT:                initUnitSelectView(1);                display.setCurrent(m_unitSelectView);                break;            case WIN_DOWNWORD:                boolean tB = ( ( MyList ) s ).isNullList();                if(!tB){                    initWordUpdataView(7);                    m_wordUpdataView.newNumber=1;                    m_wordUpdataView.listNull= false;                    m_wordUpdataView.listSelectName=( ( MyList ) s ).getName();                    m_wordUpdataView.listSelectNum=( ( MyList ) s ).getNo();                    m_wordUpdataView.listSelectNumMax=( ( MyList ) s ).getVolume();                    //m_wordUpdataView.getOld();                    display.setCurrent(m_wordUpdataView);                }                else{                    Alert alert = new Alert( "錯誤信息","詞庫列表為空，請先下載詞庫列表！" ,null,AlertType.ERROR );                    alert.setTimeout( Alert.FOREVER );                    display.setCurrent( alert,s );                    return;                }                break;            case WIN_DOWNLIST:                initWordUpdataView(2);                m_wordUpdataView.checkUp=false;                display.setCurrent(m_wordUpdataView);                break;            case WIN_LIST:                showList();                break;            case WIN_REMEMBERWORD:                if ( m_jdcApp == null )                {    m_jdcApp=new JdcApp(this,m_unitSelectView.getUnitType(),m_unitSelectView.getUnitNumber()-1);                     display.setCurrent(m_jdcApp);                     m_jdcApp.startThread();                }                else return;                break;            case WIN_GAME:                if ( gameCanvas == null ) {                    gameCanvas=new GameCanvas(this,m_unitSelectView.getUnitType(),m_unitSelectView.getUnitNumber()-1);                    display.setCurrent(gameCanvas);                    gameCanvas.startThread();                }                else return;                break;            case WIN_CONNECT:                initWordUpdataView(0);                display.setCurrent(m_wordUpdataView);                break;            case WIN_QUERY:                initSearchForm();                display.setCurrent( m_SearchForm );                break;        }        freeWin( s );    }     /*public void doUpdata(int nowState){        initWordUpdataView(nowState);        display.setCurrent(m_wordUpdataView);    }    public void doGame(int nowUnitType,int nowUnitNumber){        if ( gameCanvas==null )            gameCanvas=new GameCanvas(this,nowUnitType,nowUnitNumber);        display.setCurrent(gameCanvas);        gameCanvas.startThread();    }         public void doRememberWords(int nowUnitType,int nowUnitNumber) {        m_jdcApp=new JdcApp(this,nowUnitType,nowUnitNumber);        display.setCurrent(m_jdcApp);        m_jdcApp.StartThread();    }    public void responseUnitSelect(){        doRememberWords(m_unitSelectView.getUnitType(),m_unitSelectView.getUnitNumber()-1);        m_unitSelectView = null;    }    public void doGameUnitSelect(){        doGame(m_unitSelectView.getUnitType(),m_unitSelectView.getUnitNumber()-1);        m_unitSelectView = null;    }      */    public void doWriteWord(String nowWord, String nowChinese, String nowSpell) {        m_SysParam.writeWord(nowWord,nowChinese,nowSpell);    }        public boolean doDelWord(String nowWord) {        return m_SysParam.deleteWord(nowWord);    }    public void pauseApp() {    }        public void destroyApp(boolean unconditional) {    }        public void showList( ) {        if( m_MyList == null ) {                        // Command  cmdBack=new Command("返回",Command.BACK,1 );            m_MyList = new MyList( this,"詞庫列表");            m_MyList.loadData();            m_MyList.addCommand( cmdUpdate );            m_MyList.addCommand( cmdRecv );            m_MyList.addCommand( cmdBack );                    }        m_MyList.initSetSelectedIndex();        m_MyList.setCommandListener( this );        Display.getDisplay( this ).setCurrent( m_MyList );    }        public void commandAction(Command c, Displayable s) {        if(c==cmdBack&&s== m_MegForm) {            SysParam.getInstance().isRead=true;            SysParam.getInstance().setParameter();            nowDisplay(s,WIN_MENU);        }        else if( ( s == m_MyList || s == m_SearchForm ) && c  == cmdBack )            nowDisplay(s,WIN_MENU);        else if ( s == m_MyList && c == cmdRecv )            nowDisplay(s,WIN_DOWNWORD );        else if( s == m_MyList && c == cmdUpdate )            nowDisplay(s,WIN_DOWNLIST );    }        public void initWelcomeView() {        if ( m_welcomeView == null )            m_welcomeView=new WelcomeView(this);    }        public void initUnitSelectView(int m) {        if ( m_unitSelectView == null )            m_unitSelectView=new UnitSelectView(this);        m_unitSelectView.setDisplayType(m);    }    public void initWordUpdataView(int state){        if ( m_wordUpdataView==null )            m_wordUpdataView=new WordUpdataView(this);        m_wordUpdataView.setCurState(state);    }        public void initMegForm(){        if(m_MegForm==null){            m_MegForm = new Form("最新通告");            m_MegForm.append(new StringItem(null,SysParam.getInstance().msg));            m_MegForm.addCommand(cmdBack);            m_MegForm.setCommandListener(this);        }        // display.setCurrent(megForm);    }        private void initSearchForm() {        if ( m_SearchForm == null )            m_SearchForm = new SearchForm( this );    }        public void setUnitPos( int unitId )    {        SysParam.getInstance().curUnit = unitId;        SysParam.getInstance().setParameter();    }}