/* * SearchForm.java * * Created on 2004年1月13日, 下午7:03 */package handenglish;import javax.microedition.midlet.*;import javax.microedition.lcdui.*;import java.util.*;/** * * @author  Administrator  * @version */public class SearchForm extends Form implements ReceiveListener,CommandListener,Runnable{    private Receive m_Receive;    private Midlet midlet;    private TextField m_Input;    private Command m_CmdSearch;    private StringItem m_Result;    private Vector m_Words;    private boolean doSearch = false;    private Thread searchThread;        public SearchForm(Midlet midlet) {        super( "單詞查詢" );        this.midlet = midlet;        m_Receive = new Receive(midlet);        m_Receive.setReceiveListener( this );        m_Input = new TextField( "輸入查詢單詞","",60,TextField.ANY );        m_CmdSearch = new Command( "查詢",Command.OK,0 );        m_Words = new Vector();        m_Result = new StringItem( "","" );        append( m_Input );        addCommand( m_CmdSearch );        addCommand( midlet.cmdBack );        setCommandListener( this );        startThread();    }        public void dataReceived(int cmd, int status) {        m_Result.setLabel( "查詢結果" );        StringBuffer strs = new StringBuffer();        for( int i = 0;i< m_Words.size();i++ ) {            strs.append( m_Words.elementAt(i) );            strs.append( "\n\n" );        }        if ( m_Words.size() == 0 )            m_Result.setText( "您查的單詞未找到！" );        else            m_Result.setText( strs.toString() );    }        public void dataReceiving(int cmd, int pos, int total, int send) {    }        public void errorReceived(int errno) {        Alert alert = new Alert( "錯誤信息","通訊錯誤,請與服務提供商聯系!錯誤號=" + errno ,null,AlertType.ERROR );        alert.setTimeout( Alert.FOREVER );        Display.getDisplay( midlet ).setCurrent( alert );    }        public void setCurState(int curState) {    }        public void startThread() {        if(searchThread==null)            searchThread=new Thread(this);        searchThread.start();    }    public void stopThread() {        searchThread = null;    }    public void commandAction(Command c, Displayable s) {        if ( c == midlet.cmdBack && s == this ) {            stopThread();            midlet.nowDisplay( s,midlet.WIN_MENU );        }        else if( c == m_CmdSearch && s == this ) {            if (  m_Input.getString().equals( null ) || m_Input.getString().equals( "" ) )            {                Alert alert = new Alert( "警告信息","請輸入查詢單詞！" ,null,AlertType.WARNING );                alert.setTimeout( Alert.FOREVER );                Display.getDisplay( midlet ).setCurrent( alert );                return;            }            removeResult();            m_Result.setLabel( "正在查詢中，請稍候..." );            m_Result.setText("");            append( m_Result );            doSearch = true;        }    }        private void removeResult() {        for( int i=0;i< size();i++ ) {            Item item = get( i );            if ( item == m_Result )                delete( i );        }    }        public void run() {        Thread curThread = Thread.currentThread();        while ( searchThread == curThread ) {            try {                Thread.sleep( 200 );                if ( doSearch ) {                    m_Receive.queryWord( m_Input.getString(),m_Words );                    doSearch = false;                }            }catch(Exception e){                //System.out.println(e.toString());            }        }    }}