pollclient.java

自己写的轮询提问的小程序 新手刚学 多多指教 合乎哈

/*
This is the main class of the PollClient (called PollClient). Contains GUI and such
Copyright (C) 2005-2006  Igor Partola, Michael J. Krikonis, Clark University

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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

package PollClient;

import java.io.*;
import java.net.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class PollClient extends javax.swing.JFrame implements Runnable{
    
    public PollClient() {
        initComponents();

        TimeoutTimer = new Timer(1000, new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                timeElapsed++;
                int tl = 0;
                if (currentQuestion != null) tl = currentQuestion.getTimeout() - timeElapsed;
                    else tl = 0;
                if (tl < 0) tl = 0;
                TimeoutLabel.setText("Time left: " + Integer.toString(tl));
                }
        });
        disconnect();
    }

    private void initComponents() {//GEN-BEGIN:initComponents
        RadioButtonGroup = new javax.swing.ButtonGroup();
        AnswerRadioButtonA = new javax.swing.JRadioButton();
        AnswerRadioButtonB = new javax.swing.JRadioButton();
        AnswerRadioButtonC = new javax.swing.JRadioButton();
        AnswerRadioButtonD = new javax.swing.JRadioButton();
        AnswersLabel = new javax.swing.JLabel();
        QuestionTextArea = new javax.swing.JTextArea();
        QuestionNameLabel = new javax.swing.JLabel();
        SendButton = new javax.swing.JButton();
        ConnectButton = new javax.swing.JButton();
        AddressTextField = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        jSeparator1 = new javax.swing.JSeparator();
        TimeoutLabel = new javax.swing.JLabel();
        AnswerRadioButtonE = new javax.swing.JRadioButton();
        AnswerRadioButtonF = new javax.swing.JRadioButton();
        StatusLabel = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();

        getContentPane().setLayout(null);

        setTitle("Just Poll Client");
        setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
        setFont(new java.awt.Font("Tahoma", 0, 10));
        setName("PollClientMainFrame");
        setResizable(false);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                exitForm(evt);
            }
        });

        AnswerRadioButtonA.setFont(new java.awt.Font("Tahoma", 0, 11));
        AnswerRadioButtonA.setSelected(true);
        AnswerRadioButtonA.setText("A: Yes");
        RadioButtonGroup.add(AnswerRadioButtonA);
        AnswerRadioButtonA.setEnabled(false);
        getContentPane().add(AnswerRadioButtonA);
        AnswerRadioButtonA.setBounds(30, 170, 170, 23);
        AnswerRadioButtonA.getAccessibleContext().setAccessibleName("RadioButtonA");

        AnswerRadioButtonB.setFont(new java.awt.Font("Tahoma", 0, 11));
        AnswerRadioButtonB.setText("B: No");
        RadioButtonGroup.add(AnswerRadioButtonB);
        AnswerRadioButtonB.setEnabled(false);
        getContentPane().add(AnswerRadioButtonB);
        AnswerRadioButtonB.setBounds(200, 170, 180, 23);
        AnswerRadioButtonB.getAccessibleContext().setAccessibleName("RadioButtonB");

        AnswerRadioButtonC.setFont(new java.awt.Font("Tahoma", 0, 11));
        AnswerRadioButtonC.setText("C: I don't know");
        RadioButtonGroup.add(AnswerRadioButtonC);
        AnswerRadioButtonC.setEnabled(false);
        getContentPane().add(AnswerRadioButtonC);
        AnswerRadioButtonC.setBounds(30, 200, 170, 23);
        AnswerRadioButtonC.getAccessibleContext().setAccessibleName("RadioButtonC");

        AnswerRadioButtonD.setFont(new java.awt.Font("Tahoma", 0, 11));
        AnswerRadioButtonD.setText("D: I need to ask my wife");
        RadioButtonGroup.add(AnswerRadioButtonD);
        AnswerRadioButtonD.setEnabled(false);
        getContentPane().add(AnswerRadioButtonD);
        AnswerRadioButtonD.setBounds(200, 200, 190, 23);
        AnswerRadioButtonD.getAccessibleContext().setAccessibleName("RadioButtonD");

        AnswersLabel.setFont(new java.awt.Font("Tahoma", 0, 11));
        AnswersLabel.setText("Answers");
        AnswersLabel.setEnabled(false);
        getContentPane().add(AnswersLabel);
        AnswersLabel.setBounds(30, 150, 80, 14);
        AnswersLabel.getAccessibleContext().setAccessibleName("AnswersLabel");

        QuestionTextArea.setEditable(false);
        QuestionTextArea.setFont(new java.awt.Font("Tahoma", 0, 11));
        QuestionTextArea.setLineWrap(true);
        QuestionTextArea.setWrapStyleWord(true);
        QuestionTextArea.setEnabled(false);
        getContentPane().add(QuestionTextArea);
        QuestionTextArea.setBounds(30, 50, 350, 80);

        QuestionNameLabel.setFont(new java.awt.Font("Tahoma", 0, 11));
        QuestionNameLabel.setText("Waiting for next question...");
        getContentPane().add(QuestionNameLabel);
        QuestionNameLabel.setBounds(10, 30, 160, 14);
        QuestionNameLabel.getAccessibleContext().setAccessibleName("QuestionLabel");

        SendButton.setFont(new java.awt.Font("Tahoma", 0, 11));
        SendButton.setText("Send");
        SendButton.setActionCommand("SendButton");
        SendButton.setEnabled(false);
        SendButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                SendButtonActionPerformed(evt);
            }
        });

        getContentPane().add(SendButton);
        SendButton.setBounds(150, 270, 73, 25);
        SendButton.getAccessibleContext().setAccessibleName("SendButton");

        ConnectButton.setFont(new java.awt.Font("Tahoma", 0, 11));
        ConnectButton.setText("Connect");
        ConnectButton.setActionCommand("ConnectButton");
        ConnectButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ConnectButtonActionPerformed(evt);
            }
        });

        getContentPane().add(ConnectButton);
        ConnectButton.setBounds(280, 240, 90, 30);
        ConnectButton.getAccessibleContext().setAccessibleName("ConnectButton");

        AddressTextField.setFont(new java.awt.Font("Tahoma", 0, 11));
        AddressTextField.setText("140.232.*.*");
        getContentPane().add(AddressTextField);
        AddressTextField.setBounds(240, 280, 140, 20);
        AddressTextField.getAccessibleContext().setAccessibleName("AddressTextField");

        jLabel1.setFont(new java.awt.Font("Tahoma", 0, 11));
        jLabel1.setText("Network Address");
        getContentPane().add(jLabel1);
        jLabel1.setBounds(260, 270, 90, 14);

        getContentPane().add(jSeparator1);
        jSeparator1.setBounds(0, 309, 400, 10);

        TimeoutLabel.setFont(new java.awt.Font("Tahoma", 0, 11));
        TimeoutLabel.setText("Time left: ");
        getContentPane().add(TimeoutLabel);
        TimeoutLabel.setBounds(270, 30, 90, 15);

        AnswerRadioButtonE.setFont(new java.awt.Font("Tahoma", 0, 11));
        AnswerRadioButtonE.setText("E: I really don't know");
        RadioButtonGroup.add(AnswerRadioButtonE);
        AnswerRadioButtonE.setEnabled(false);
        getContentPane().add(AnswerRadioButtonE);
        AnswerRadioButtonE.setBounds(30, 230, 170, 23);

        AnswerRadioButtonF.setFont(new java.awt.Font("Tahoma", 0, 11));
        AnswerRadioButtonF.setText("F: N/A");
        RadioButtonGroup.add(AnswerRadioButtonF);
        AnswerRadioButtonF.setEnabled(false);
        getContentPane().add(AnswerRadioButtonF);
        AnswerRadioButtonF.setBounds(200, 230, 190, 23);

        StatusLabel.setFont(new java.awt.Font("Tahoma", 0, 11));
        StatusLabel.setIcon(new javax.swing.ImageIcon(getClass().getResource("/PollClient/disconnected-icon.gif")));
        StatusLabel.setText("Connected to localhost");
        StatusLabel.setFocusable(false);
        StatusLabel.setIconTextGap(8);
        StatusLabel.setHorizontalTextPosition(javax.swing.SwingConstants.LEADING);

        getContentPane().add(StatusLabel);
        StatusLabel.setBounds(10, 315, 230, 20);

        jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/PollClient/info.gif")));
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        getContentPane().add(jButton1);
        jButton1.setBounds(369, 313, 30, 28);

        java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-408)/2, (screenSize.height-412)/2, 408, 412);
    }//GEN-END:initComponents

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        SharedClasses.AboutDialog MyAboutFrame = new SharedClasses.AboutDialog(this, true);
        MyAboutFrame.show(); 
    }//GEN-LAST:event_jButton1ActionPerformed

    private void SendButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_SendButtonActionPerformed

        answer = getAnswer();

        QuestionNameLabel.setText("Waiting for the next question...");
        
        controlsSetEnabled(false);
        SendButton.setEnabled(false);

    }//GEN-LAST:event_SendButtonActionPerformed

    private void ConnectButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ConnectButtonActionPerformed
        connect();
    }//GEN-LAST:event_ConnectButtonActionPerformed
    
    private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
        System.exit(0);
    }//GEN-LAST:event_exitForm

    public static void main(String args[]) {
        new PollClient().setVisible(true);
    }
    
    public void showQuestion(Question q) {
        QuestionNameLabel.setText(q.getQuestionName());
        QuestionTextArea.setText(q.getQuestion());
        AnswerRadioButtonA.setText("A: " + q.getAnswerA());
        AnswerRadioButtonB.setText("B: " + q.getAnswerB());
        AnswerRadioButtonC.setText("C: " + q.getAnswerC());