java 小学生算数测试系统

package wang.handler; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.border.*; import java.util.*; import javax.swing.event.*; import wang.domain.*; import wang.panel.*; import wang.common.*; import wang.factory.*; import li.event.*; public class MessageHandler extends MoveObjectHandler { private ButtonsPanel buttonsPanel; private Clock wClock; private Clock eClock; private TipPanel tipPanel; private MoveObjectPanel wMoveObjectPanel; private int amount=120; private int count=0; private int lastTime=60; private JPanel north; private JButton start; private JButton show; private JButton save; private JButton exit; private EventListenerList list=new EventListenerList(); public MessageHandler() { } public void init(int delay) { super.init(delay); this.amount=MoveObjectHandlerFactory.getIntegerProperties("amountMinutes")*60; this.lastTime=MoveObjectHandlerFactory.getIntegerProperties("lastMinutes")*60; north=new JPanel(new BorderLayout()); tipPanel=new TipPanel("耐心，细心"); wMoveObjectPanel=new MoveObjectPanel(); wClock=new Clock(wMoveObjectPanel); wMoveObjectPanel.addMoveObject(wClock); wMoveObjectPanel.setOpaque(true); wMoveObjectPanel.setBackground(Color.yellow); eClock=new Clock(moveObjectPanel); moveObjectPanel.addMoveObject(eClock); moveObjectPanel.setOpaque(true); moveObjectPanel.setBackground(Color.yellow); Border border=BorderFactory.createBevelBorder(BevelBorder.RAISED,Color.LIGHT_GRAY,Color.DARK_GRAY); moveObjectPanel.setBorder(border); wMoveObjectPanel.setBorder(border); border=BorderFactory.createBevelBorder(BevelBorder.LOWERED,Color.LIGHT_GRAY,Color.DARK_GRAY); tipPanel.setBorder(border); north.add(wMoveObjectPanel,BorderLayout.WEST); north.add(moveObjectPanel,BorderLayout.EAST); north.add(tipPanel); buttonsPanel=new ButtonsPanel(4); String[] titles={"开始", "显示", "保存", "退出" }; buttonsPanel.setTitles(titles); start=buttonsPanel.getButton(0); show=buttonsPanel.getButton(1); show.setEnabled(false); save=buttonsPanel.getButton(2); save.setEnabled(false); exit=buttonsPanel.getButton(3); start.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { timer.start(); tipPanel.setMessage("耐心,细心"); start.setEnabled(false); save.setEnabled(false); currentChanged(CustomeEvent.START); } } ); show.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { show.setEnabled(false); save.setEnabled(true); start.setText("重新开始"); start.setEnabled(true); currentChanged(CustomeEvent.SHOW); } } ); save.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { save.setEnabled(false); start.setText("重新开始"); start.setEnabled(true); currentChanged(CustomeEvent.SAVE); } } ); exit.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } } ); } public MessageHandler(int delay) { init(delay); } public JPanel getNorthPanel() { return north; } public JPanel getButtonsPanel() { return buttonsPanel; } private String getRemainTime() { String msg="倒计时开始 00:00:"+((amount-count < 10) ? "0" : "")+String.valueOf(amount-count); return msg; } public void actionPerformed(ActionEvent e) { count++; if(amount-count < lastTime) tipPanel.setMessage(getRemainTime()); if(count > amount) { timer.stop(); currentChanged(CustomeEvent.STOP); count=0; show.setEnabled(true); save.setEnabled(true); tipPanel.setMessage("时间到"); return; } moveObjectPanel.move(); wMoveObjectPanel.move(); } private void currentChanged(int value) // 当前值发生变化时产生事件对象，对象中存放信息 { CustomeEvent event=new CustomeEvent(this,value); fireCustomAction(event); } public void addCustomeListener(CustomeListener listener) // 给用户提供添加监听器的接口 { list.add(CustomeListener.class,listener); } public void removeCustomeListener(CustomeListener listener) { list.remove(CustomeListener.class,listener); } public void fireCustomAction(CustomeEvent event) { // 将事件对象从事件列表中取出来 EventListener[] listeners=list.getListeners(CustomeListener.class); for(int i=0;i<listeners.length;i++) { ((CustomeListener)listeners[i]).customAction(event); } } }