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一个简陋的SWT个人资料界面 = =..

YOYO posted @ 2009年7月19日 20:28 in 【Java SE】 with tags SWT , 3941 阅读

在SWT的教程上看到的一个练习~于是照着敲……截图如下： 

  1. package demo.layout;
  2.  
  3. import org.eclipse.swt.SWT;
  4.  
  5. public class QQ {
  6.        
  7.         /**
  8.          * 为了自定义监听器类MyMouseListener中的代码能够访问到以下对象，故将这些对象定义成类的实例变量
  9.          */
  10.         private StackLayout stackLayout = new StackLayout();
  11.         private Composite yourDataComp;
  12.         private Composite otherComp;
  13.         private List selectList;
  14.         private Composite rightComp;
  15.        
  16.         /**
  17.          * 由于自定义方法较多程序较长，这次的主程序框架选择了Eclipse“新建”向导的第二组："public open() method"
  18.          * @param args
  19.          */
  20.         public static void main(String[] args){
  21.                 try {
  22.                         QQ window = new QQ();
  23.                         window.open();
  24.                 }catch(Exception e) {
  25.                         e.printStackTrace();
  26.                 }
  27.         }
  28.        
  29.         public void open() {
  30.                 Display display = Display.getDefault();
  31.                 Shell shell = new Shell();
  32.                 shell.setSize(550, 350);
  33.                 shell.setText("个人设置");
  34.                 shell.setLayout(new GridLayout());
  35.                 {
  36.                         //      分割窗口
  37.                         SashForm sashForm = new SashForm(shell, SWT.BORDER);
  38.                         sashForm.setLayoutData(new GridData(GridData.FILL_BOTH));
  39.                         {
  40.                                 //      分割窗左边的列表框
  41.                                 selectList = new List(sashForm, SWT.BORDER);
  42.                                 //      作为演示只加了两项
  43.                                 selectList.setItems(new String[] { "个人资料", "联系方式"} );
  44.                                 //      加一个鼠标监听器
  45.                                 selectList.addMouseListener(new MyMouseListener());
  46.                         }
  47.                         {
  48.                                 //      右边的堆栈式面板
  49.                                 rightComp = new Composite(sashForm, SWT.NONE);
  50.                                 rightComp.setLayout(stackLayout);
  51.                                 //      共两页。将生成此面板的代码提出成一个方法，保证代码结构的清晰
  52.                                 yourDataComp = createYourDataComp(rightComp);   // 个人资料的面板
  53.                                 otherComp = createOtherComp(rightComp);   //       联系方式的面板
  54.                                
  55.                                 //      在堆栈面板上先显示“个人资料”界面
  56.                                 stackLayout.topControl = yourDataComp;
  57.                         }
  58.                         //      分割窗口的左右空间比例
  59.                         sashForm.setWeights( new int[] { 1,4 });
  60.                 }
  61.                 {
  62.                         //      界面的按钮的面板
  63.                         Composite buttonComp = new Composite(shell, SWT.NONE);
  64.                         //      使用GridData设置buttonComp在它父容器shell中的布局方式
  65.                         GridData gridData = new GridData();
  66.                         gridData.horizontalAlignment = GridData.END;    //  让buttonComp向右靠
  67.                         buttonComp.setLayoutData(gridData);
  68.                         //      设置buttonComp的布局为RowLayout，用来设定buttonComp内组件的布局方式
  69.                         RowLayout rowLayout = new RowLayout();
  70.                         rowLayout.spacing = 15; //       按钮之间间隔15个像素
  71.                         buttonComp.setLayout(rowLayout);
  72.                         //      在buttonComp下建立三个按钮
  73.                         new Button(buttonComp, SWT.NONE).setText("      确定     ");
  74.                         new Button(buttonComp, SWT.NONE).setText("      取消     ");
  75.                         new Button(buttonComp, SWT.NONE).setText("      应用     ");
  76.                 }
  77.                
  78.                 shell.layout();
  79.                 shell.open();
  80.                 while(!shell.isDisposed()) {
  81.                         if(!display.readAndDispatch()) {
  82.                                 display.sleep();
  83.                         }
  84.                 }
  85.         }
  86.        
  87.         /**
  88.          * 个人资料面板的生成
  89.          * @param rightComp
  90.          * @return
  91.          */
  92.         private Composite createYourDataComp(Composite rightComp) {
  93.                 Composite composite = new Composite(rightComp, SWT.NONE);
  94.                 composite.setLayout(new GridLayout(6, false));//        个人资料面板分成6列
  95.                
  96.                 //--- 用户号码的标签及其文本框
  97.                 new Label(composite, SWT.NONE).setText("用户号码：");
  98.                 //      只读型的文本框
  99.                 Text text = new Text(composite, SWT.READ_ONLY | SWT.BORDER);
  100.                 //      水平抢占式充满，并占用三列的空间，createGridData是自定义方法
  101.                 text.setLayoutData(createGridData(GridData.FILL_HORIZONTAL, 3));
  102.                
  103.                 //--- 图片部分，我们再用一个面板嵌套来管理
  104.                 Composite photoComp = new Composite(composite, SWT.BORDER);
  105.                 //      水平垂直对齐式占满，横占两列，竖占4行
  106.                 photoComp.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL, 2, 4));
  107.                 photoComp.setLayout(new GridLayout(2, false));
  108.                 {
  109.                         //      图片
  110.                         Composite tempComp = new Composite(photoComp, SWT.BORDER);
  111.                         tempComp.setLayoutData(new GridData(50, 50));      // 设定大小：50宽50高
  112.                        
  113.                         //      选择图片的箭头型按钮，并设置它向下靠
  114.                         Button selPhotoButton = new Button(photoComp, SWT.ARROW|SWT.DOWN);
  115.                         selPhotoButton.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_END));
  116.                        
  117.                         //      升级成为会员的按钮，横站photoComp的两列，并横向对齐充满
  118.                         Button updateButton = new Button(photoComp, SWT.NONE);
  119.                         updateButton.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 2));
  120.                         updateButton.setText("升级成为会员");
  121.                 }
  122.                
  123.                 new Label(composite, SWT.NONE).setText("用户昵称：");
  124.                 Text nicknameText = new Text(composite, SWT.BORDER);
  125.                 nicknameText.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 3));
  126.                
  127.                 new Label(composite, SWT.NONE).setText("个性签名：");
  128.                 Text attachNameText = new Text(composite, SWT.BORDER);
  129.                 attachNameText.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 3));
  130.                
  131.                 new Label(composite, SWT.NONE).setText("等    级：");
  132.                 {
  133.                         //      图片
  134.                         Composite tempComp = new Composite(composite, SWT.BORDER);
  135.                         GridData gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING);
  136.                         gridData.horizontalSpan = 3;
  137.                                 //      Composite 默认的高度太高，故手工设定高度为20像素
  138.                                 gridData.heightHint = 20;
  139.                                 tempComp.setLayoutData(gridData);
  140.                 }
  141.                
  142.                 new Label(composite, SWT.NONE).setText("性    别：");
  143.                 Combo sexCombo = new Combo(composite, SWT.NONE);
  144.                 sexCombo.setItems(new String[] { "男", "女" } );
  145.                
  146.                 new Label(composite, SWT.NONE).setText("姓名：");
  147.                 Text nameText = new Text(composite, SWT.BORDER);
  148.                 nameText.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
  149.                
  150.                 new Label(composite, SWT.NONE).setText("年龄：");
  151.                 Text oldText = new Text(composite, SWT.BORDER);
  152.                 oldText.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
  153.                
  154.                 new Label(composite, SWT.NONE).setText("毕业院校：");
  155.                 Text schoolText = new Text(composite, SWT.BORDER);
  156.                 schoolText.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
  157.  
  158.                 new Label(composite, SWT.NONE).setText("生肖：");
  159.                 Combo animalCombo = new Combo(composite, SWT.NONE);
  160.                 animalCombo.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
  161.                 animalCombo.setItems(new String[] { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" } );
  162.  
  163.                 new Label(composite, SWT.NONE).setText("职业：");
  164.                 Text jobText = new Text(composite, SWT.BORDER);
  165.                 jobText.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
  166.  
  167.                 new Label(composite, SWT.NONE).setText("星座：");
  168.                 Combo constellationCombo = new Combo(composite, SWT.NONE);
  169.                 constellationCombo.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
  170.                 constellationCombo.setItems(new String[] { "白羊", "金牛", "双子", "巨蟹", "狮子", "处女", "天枰", "天蝎", "射手", "摩羯", "水瓶", "双鱼" } );
  171.                
  172.                 Label introLabel = new Label(composite, SWT.NONE);
  173.                 //      默认是居中，改为顶端对齐
  174.                 introLabel.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
  175.                 introLabel.setText("个人说明：");
  176.                 Text introText = new Text(composite, SWT.BORDER|SWT.WRAP);      //    WRAP自动换行
  177.                 introText.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.FILL_VERTICAL, 5));
  178.                
  179.                 //      返回个人资料面板
  180.                 return composite;
  181.         }
  182.        
  183.         /**
  184.          * 生成一个简单的联系方式面板
  185.          * @param rightComp
  186.          * @return
  187.          */
  188.         private Composite createOtherComp(Composite rightComp) {
  189.                 Composite composite = new Composite(rightComp, SWT.NONE);
  190.                 composite.setLayout(new FillLayout());
  191.                 new Label(composite, SWT.NONE).setText("联系方式面板");
  192.                 return composite;
  193.         }
  194.        
  195.         /**
  196.          * 生成GridData对象的重复代码太多，写成一个方法可以减少程序的行数，用起来也方便
  197.          * 而且还要注意一个GridData只能被一个组件使用，不能两个组件使用一个GridData，则有一个组件将不会显示出来
  198.          * @param style
  199.          * @param horizontalSpan
  200.          * @return
  201.          */
  202.         private GridData createGridData(int style, int horizontalSpan) {
  203.                 GridData gridData = new GridData(style);
  204.                 gridData.horizontalSpan = horizontalSpan;
  205.                 return gridData;
  206.         }
  207.        
  208.         private GridData createGridData(int style, int horizontalSpan, int verticalSpan) {
  209.                 GridData gridData = new GridData(style);
  210.                 gridData.horizontalSpan = horizontalSpan;
  211.                 gridData.verticalSpan = verticalSpan;
  212.                 return gridData;
  213.         }
  214.        
  215.         /**
  216.          * 鼠标监听器，采用事件的命名内部类写法
  217.          * @author Administrator
  218.          *
  219.          */
  220.         private class MyMouseListener extends MouseAdapter {
  221.                 public void mouseDown(MouseEvent e) {
  222.                         //      得到列表的当前选择项的序号（即单击的那项）
  223.                         int selectionIndex = selectList.getSelectionIndex();
  224.                         //      如果单击第一项“个人资料”，则让相对应的面板移至最上面
  225.                         if(selectionIndex == 0) {
  226.                                 stackLayout.topControl = yourDataComp;
  227.                         }else{
  228.                                 stackLayout.topControl = otherComp;
  229.                         }
  230.                         rightComp.layout();     //   刷新堆栈式布局的顶容器
  231.                 }
  232.         }
  233.  
  234. }
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