JavaFX TextArea 到 ListView 集成

Question

正在开发一个计时器应用程序，该应用程序在运行时打印到控制台。
我想要所有相同的信息打印在应用程序的文本区域。
只会打印文本区当前的activity，不会打印全部。
尝试使用 ListView 而不是 TextArea，但无法弄清楚如何将其集成到应用程序中。有更简单的方法吗？
图像显示：箭头 2 "loggedMessages" = 这只存储最后一个 activity。箭头 3 是记录了所有活动的控制台。我希望 loggedMessage 区域显示控制台捕获的所有活动。

代码如下：

Image of Timer app fields

public class Controller   {

@FXML private AnchorPane container;
@FXML private Label title;
@FXML private TextArea inputMessage;
@FXML private TextArea loggedMessages;


private Timeline mTimeline; 
private TimerAttempt mCurrentAttempt;  
private StringProperty mTimerText;



public Controller(){
    mTimerText = new SimpleStringProperty(); 
    setTimerText(0); 
}


public String getTimerText() {
    return mTimerText.get();
}

public StringProperty timerTextProperty() {
    return mTimerText;
}

public void setTimerText(String timerText) {
    this.mTimerText.set(timerText);
}
public void setTimerText(int remainingSeconds){
    int minutes = remainingSeconds / 60;
    int seconds = remainingSeconds % 60;
    setTimerText(String.format("%02d:%02d", minutes, seconds));
}


private void prepAttempt(AttemptKind kind ){
    reset();
        mCurrentAttempt = new TimerAttempt(kind, ""); 
        addAttemptStyle(kind);

        title.setText(kind.getTheDisplayName());
        setTimerText(mCurrentAttempt.getRemainingSeconds()); 

        mTimeline = new Timeline(); 
        mTimeline.setCycleCount(kind.getAmountOfSeconds()); 
        mTimeline.getKeyFrames().add(new KeyFrame(Duration.seconds(1), e ->{
                mCurrentAttempt.tickDown();
                setTimerText(mCurrentAttempt.getRemainingSeconds()); 
        }));

    mTimeline. setOnFinished(e -> {
        saveCurrentAttempt(); 
        mApplause.play();
        prepAttempt(mCurrentAttempt.getTypeOfAttempt() == AttemptKind.STUDYING ?
                                                AttemptKind.BREAK : AttemptKind.STUDYING); 
    });
}

private void saveCurrentAttempt() {
    mCurrentAttempt.setMessage(inputMessage.getText()); 
    mCurrentAttempt.save();
    loggedMessages.setText(String.valueOf(mCurrentAttempt));
     inputMessage.clear();
}


private void reset() {
    clearAttemptStyles();
    if (mTimeline != null && mTimeline.getStatus() == Animation.Status.RUNNING) {
        mTimeline.stop();
}
}

private void addAttemptStyle(AttemptKind kind) {
    container.getStyleClass().add(kind.toString().toLowerCase());

}
private void clearAttemptStyles(){
    container.getStyleClass().remove("playing");
    for (AttemptKind kind : AttemptKind.values()){
        container.getStyleClass().remove(kind.toString().toLowerCase());

    }

}

//--------------------定时器Class---------------- -----

  public class TimerAttempt {
    private String mMessage;
    private int mRemainingSeconds;
    private AttemptKind mTypeOfAttempt;


    public TimerAttempt(AttemptKind kind, String inputMessage) {
        mTypeOfAttempt = kind;
        mMessage = inputMessage;
        mRemainingSeconds = kind.getAmountOfSeconds();

   }

    public AttemptKind getTypeOfAttempt() {
        return mTypeOfAttempt;
    }

    public String getMessage() {
        return mMessage;
    }

    public int getRemainingSeconds() {
        return mRemainingSeconds;
    }

    public void setMessage(String message) {
        mMessage = message;
    }

    public void tickDown() {
        mRemainingSeconds --;
    }

    public void save() {

        System.out.printf("LOGGED:  %s %n ", this); 
    }


        @Override
    public String toString() {
        Date date = new Date();
        SimpleDateFormat timeStamp = new SimpleDateFormat("MM/dd/yyyy h:mm;ss a");
        String formattedDate = timeStamp.format(date);

        return formattedDate +
                "\n Working on: " + mMessage +
                "\n During : " + mTypeOfAttempt + '\n';
    }  
}

Answer 1

替换

loggedMessages.setText(String.valueOf(mCurrentAttempt));

和

loggedMessages.appendText(String.valueOf(mCurrentAttempt));

TextArea 方法 appendText(...) 将文本附加到文本区域。 TextArea方法setText(...)设置文本区域的文字

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