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Options.java
资源名称：J2ME&Game.rar　[点击查看]
上传用户：gyyuli
上传日期：2013-07-09
资源大小：3050k
文件大小：4k
源码类别：

J2ME

开发平台：

Java

Options.java：源码内容
  2. import javax.microedition.lcdui.*;
  3. import javax.microedition.rms.RecordStore;
  4. import javax.microedition.rms.RecordStoreException;
  6. public class Options
  7.     implements CommandListener, ItemStateListener
  8. {
  9.     private FiveMIDlet midFive;
  10.     private Form frmOptions;
  11.     private Command cmdOk;
  12.     private Command cmdCancel;
  13.     private Gauge ggSize;
  14.     private ChoiceGroup cgFirst;
  15.     private ChoiceGroup cgDegree;
  16.     private int borderSize;
  17.     private boolean computerFirst;
  18.     private int degree;
  19.     public Options(FiveMIDlet m)
  20.     {
  21.         borderSize = 13;
  22.         computerFirst = true;
  23.         degree = 1;
  24.         midFive = m;
  25.         load();
  26.         frmOptions = new Form("游戏设置");
  27.         ggSize = new Gauge("棋盘大小: " + borderSize + " X " + borderSize, true, 10, borderSize - 9);
  28.         frmOptions.append(ggSize);
  29.         cgFirst = new ChoiceGroup(null, 2);
  30.         cgFirst.append("对方先行", null);
  31.         cgFirst.setSelectedIndex(0, computerFirst);
  32.         frmOptions.append(cgFirst);
  33.         cgDegree = new ChoiceGroup("难度等级:", 1);
  34.         cgDegree.append("简单", null);
  35.         cgDegree.append("中等", null);
  36.         cgDegree.append("较难", null);
  37.         cgDegree.setSelectedIndex(degree - 1, true);
  38.         frmOptions.append(cgDegree);
  39.         frmOptions.setItemStateListener(this);
  40.         cmdOk = new Command("确定", 4, 2);
  41.         cmdCancel = new Command("取消", 3, 1);
  42.         frmOptions.addCommand(cmdOk);
  43.         frmOptions.addCommand(cmdCancel);
  44.         frmOptions.setCommandListener(this);
  45.     }
  47.     public int borderSize()
  48.     {
  49.         return borderSize;
  50.     }
  52.     public boolean computerFirst()
  53.     {
  54.         return computerFirst;
  55.     }
  57.     public int degree()
  58.     {
  59.         return degree;
  60.     }
  62.     public Form frmOptions()
  63.     {
  64.         return frmOptions;
  65.     }
  67.     public void itemStateChanged(Item item)
  68.     {
  69.         if(item == ggSize)
  70.         {
  71.             int bs = ggSize.getValue() + 9;
  72.             ggSize.setLabel("棋盘大小: " + bs + " X " + bs);
  73.         }
  74.     }
  76.     public void commandAction(Command c, Displayable s)
  77.     {
  78.         if(c == cmdOk)
  79.         {
  80.             borderSize = ggSize.getValue() + 9;
  81.             if(borderSize > 19)
  82.                 borderSize = 19;
  83.             if(borderSize < 9)
  84.                 borderSize = 9;
  85.             computerFirst = cgFirst.isSelected(0);
  86.             degree = cgDegree.getSelectedIndex() + 1;
  87.             save();
  88.             midFive.backHome();
  89.         } else
  90.         if(c == cmdCancel)
  91.             midFive.backHome();
  92.     }
  94.     private void load()
  95.     {
  96.         try
  97.         {
  98.             RecordStore rs = RecordStore.openRecordStore("Options", false);
  99.             if(rs.getNumRecords() > 0)
  100.             {
  101.                 byte bs[] = rs.getRecord(1);
  102.                 if(bs.length >= 3)
  103.                 {
  104.                     borderSize = bs[0];
  105.                     if(borderSize < 9)
  106.                         borderSize = 9;
  107.                     if(borderSize > 19)
  108.                         borderSize = 19;
  109.                     computerFirst = bs[1] == 1;
  110.                     degree = bs[2];
  111.                     if(degree < 1)
  112.                         degree = 1;
  113.                     if(degree > 3)
  114.                         degree = 3;
  115.                 }
  116.             }
  117.             rs.closeRecordStore();
  118.         }
  119.         catch(RecordStoreException _ex) { }
  120.     }
  122.     private void save()
  123.     {
  124.         try
  125.         {
  126.             RecordStore rs = RecordStore.openRecordStore("Options", true);
  127.             byte bs[] = new byte[3];
  128.             bs[0] = (byte)borderSize;
  129.             bs[1] = (byte)(computerFirst ? 1 : 0);
  130.             bs[2] = (byte)degree;
  131.             if(rs.getNumRecords() > 0)
  132.                 rs.setRecord(1, bs, 0, 3);
  133.             else
  134.                 rs.addRecord(bs, 0, 3);
  135.             rs.closeRecordStore();
  136.         }
  137.         catch(RecordStoreException _ex) { }
  138.     }
  141. }