frame1.java~291~

源程序（包括最初的版本

    Dimension frmSize = getSize();
    Point loc = getLocation();
    dlg.setLocation( (frmSize.width - dlgSize.width) / 2 + loc.x,
                    (frmSize.height - dlgSize.height) / 2 + loc.y);
    dlg.setModal(true);
    dlg.pack();
    dlg.show();
  }

  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      jMenuFileExit_actionPerformed(null);
    }
  }

  void jRadioButtonBT_actionPerformed(ActionEvent e) {
    binaryTreePreOrder.setEnabled(true);
    binaryTreeInOrder.setEnabled(true);
    binaryTreePostOrder.setEnabled(true);

    treePreOrder.setEnabled(false);
    treePostOrder.setEnabled(false);
    //flag = new String("BinaryTree");

  }

  void jRadioButtonTree_actionPerformed(ActionEvent e) {
    binaryTreePreOrder.setEnabled(false);
    binaryTreeInOrder.setEnabled(false);
    binaryTreePostOrder.setEnabled(false);
    treePreOrder.setEnabled(true);
    treePostOrder.setEnabled(true);
    //flag = new String("Tree");

  }

  void text_actionPerformed(ActionEvent e) {
    table=new Table();//清空table上的记录
    tree=new Tree();
    binaryTree=new BinaryTree();
    drawTable.removeAll();
    drawTable.repaint();
    JDialog jDialog;
    JLabel l1,l2;

    if (jRadioButtonBT.isSelected() == true) { //二叉树
      String s = text.getText();
      binaryTree.creatBinaryTree(s); //建造树
      if(binaryTree.creatSuccess==false) {//输入出错则弹出一个提示框
        jDialog=new JDialog(this,"!!!",true);
        //jDialog.setSize(200,70);
        jDialog.setBounds(450,300,300,120);
         l1=new JLabel("输入错误！");
        l2=new JLabel("  请输入一个三元组形式表示的二叉树!");
        l1.setFont(new Font("Dialog", 0, 15));
        l2.setFont(new Font("Dialog", 0, 15));
        l1.setBounds(100,10,180,20);
        l2.setBounds(40,100,180,40);
        jDialog.getContentPane().add(l1);
        jDialog.getContentPane().add(l2);
        jDialog.show();
        return;
      }
      table.getPaintTableWH(drawTable.getWidth(),drawTable.getHeight());//获得画板的宽度和高度
      table.creatBinaryTreeTable(s);// 建表

      drawTable.setTable(table); //drawPanel中的表成员的赋值
      drawTable.initDrawLabelPanel();
      drawTable.repaint(); //重画
      drawTable.validate();

    }
    if (jRadioButtonTree.isSelected() == true) { //树
      String s = text.getText();
      tree.creatTree(s); //建造树
      if(tree.creatSuccess==false) {//输入出错则弹出一个提示框
         jDialog=new JDialog(this,"!!!",true);
        //jDialog.setSize(200,70);
        jDialog.setBounds(450,300,300,120);
        l1=new JLabel("输入错误！");
        l2=new JLabel("  请输入一个二元组形式表示的树!");
        l1.setFont(new Font("Dialog", 0, 15));
        l2.setFont(new Font("Dialog", 0, 15));
        l1.setBounds(100,10,180,20);
        l2.setBounds(40,100,180,40);
        jDialog.getContentPane().add(l1);
        jDialog.getContentPane().add(l2);
        jDialog.show();
        return;
      }

      table.getPaintTableWH(drawTable.getWidth(),drawTable.getHeight());//获得画板的宽度和高度
      table.creatTreeTable(s);// 建表

      drawTable.setTable(table); //drawPanel中的表成员的赋值
      drawTable.initDrawLabelPanel();
      drawTable.repaint(); //重画
    }

  }

  void binaryTreePreOrder_actionPerformed(ActionEvent e) {
    if (table.isEmpty() == true) {
      return;
    }
    //使其他功能按钮不能使用
    text.setEnabled(false);
    binaryTreePreOrder.setEnabled(true);
    binaryTreeInOrder.setEnabled(false);
    binaryTreePostOrder.setEnabled(false);
    treePreOrder.setEnabled(false);
    treePostOrder.setEnabled(false);

    binaryTreePreOrder.setText("下一步");

    //binaryTree.preOrder();

    table.changePathQueue( binaryTree.preOrder());
    drawTable.setTable(table);
    if (index < table.number) {
      drawTable.setCurrent(++index);
      drawTable.fillCurrent();
      drawTable.unFillPreCurrent(index-1);
      drawTable.paintBottomNode();
      drawTable.repaint();


    }
    if (index == table.number) { //重新开始
      index = -1;
      drawTable.cleanBottonCircle();
      //drawTable.unFillPreCurrent(0);

      binaryTreePreOrder.setText("先序遍历");
      binaryTreeInOrder.setText("中序遍历");
      binaryTreePostOrder.setText("后序遍历");
      binaryTreeInOrder.setEnabled(true);
      binaryTreePostOrder.setEnabled(true);
    }


  }

  void binaryTreeInOrder_actionPerformed(ActionEvent e) {
    if (table.isEmpty() == true) {
      return;
    }
    //使其他功能按钮不能使用
    text.setEnabled(false);
    binaryTreePreOrder.setEnabled(false);
    binaryTreeInOrder.setEnabled(true);
    binaryTreePostOrder.setEnabled(false);
    treePreOrder.setEnabled(false);
    treePostOrder.setEnabled(false);

    binaryTreeInOrder.setText("下一步");

    //binaryTree.inOrder(); //中序遍历
    table.changePathQueue(binaryTree.inOrder());
    drawTable.setTable(table);
    if (index < table.number) {
      drawTable.setCurrent(++index);
      drawTable.fillCurrent();
      drawTable.unFillPreCurrent(index-1);
      drawTable.paintBottomNode();
      drawTable.repaint();


    }
    if (index == table.number) { //重新开始
      index = -1;
      drawTable.cleanBottonCircle();
      //drawTable.unFillPreCurrent(0);

     binaryTreePreOrder.setText("先序遍历");
     binaryTreeInOrder.setText("中序遍历");
     binaryTreePostOrder.setText("后序遍历");
     binaryTreePreOrder.setEnabled(true);
     binaryTreePostOrder.setEnabled(true);



    }

  }

  void binaryTreePostOrder_actionPerformed(ActionEvent e) {
    if (table.isEmpty() == true) {
      return;
    }
    //使其他功能按钮不能使用
    text.setEnabled(false);
    binaryTreePreOrder.setEnabled(false);
    binaryTreeInOrder.setEnabled(false);
    binaryTreePostOrder.setEnabled(true);
    treePreOrder.setEnabled(false);
    treePostOrder.setEnabled(false);

    binaryTreePostOrder.setText("下一步");

    //binaryTree.postOrder();
    table.changePathQueue(binaryTree.postOrder());
    drawTable.setTable(table);
    if (index < table.number) {
      drawTable.setCurrent(++index);
      drawTable.fillCurrent();
      drawTable.unFillPreCurrent(index-1);
      drawTable.paintBottomNode();
      drawTable.repaint();


    }
    if (index == table.number) { //重新开始
      index = -1;
      drawTable.cleanBottonCircle();
      //drawTable.unFillPreCurrent(0);

      binaryTreeInOrder.setText("中序遍历");
      binaryTreePreOrder.setText("先序遍历");
      binaryTreePostOrder.setText("后序遍历");
      binaryTreeInOrder.setEnabled(true);
      binaryTreePreOrder.setEnabled(true);

    }

  }

  void treePreOrder_actionPerformed(ActionEvent e) {
    if (table.isEmpty() == true) {
      return;
    }
    //使其他功能按钮不能使用
    text.setEnabled(false);
    binaryTreePreOrder.setEnabled(false);
    binaryTreeInOrder.setEnabled(false);
    binaryTreePostOrder.setEnabled(false);
    treePreOrder.setEnabled(true);
    treePostOrder.setEnabled(false);
    treePreOrder.setText("下一步");

    table.changePathQueue(tree.preOrder());
    drawTable.setTable(table);
    if (index < table.number) {
      drawTable.setCurrent(++index);
      drawTable.fillCurrent();
      drawTable.unFillPreCurrent(index-1);
      drawTable.paintBottomNode();
      drawTable.repaint();


    }
    if (index == table.number) { //重新开始
      index = -1;
      drawTable.cleanBottonCircle();
      //drawTable.unFillPreCurrent(0);
      treePreOrder.setText("先根遍历");
      treePostOrder.setEnabled(true);
    }
  }

  void treePostOrder_actionPerformed(ActionEvent e) {
    if (table.isEmpty() == true) {
      return;
    }
    //使其他功能按钮不能使用
    text.setEnabled(false);
    binaryTreePreOrder.setEnabled(false);
    binaryTreeInOrder.setEnabled(false);
    binaryTreePostOrder.setEnabled(false);
    treePreOrder.setEnabled(false);
    treePostOrder.setEnabled(true);

    treePostOrder.setText("下一步");

    //tree.postOrder();
    table.changePathQueue(tree.postOrder());
    drawTable.setTable(table);
    if (index < table.number) {
      drawTable.setCurrent(++index);
      drawTable.fillCurrent();
      drawTable.unFillPreCurrent(index-1);
      drawTable.paintBottomNode();
      drawTable.repaint();


    }
    if (index == table.number) { //重新开始
      index = -1;
      drawTable.cleanBottonCircle();
      //drawTable.unFillPreCurrent(0);

      treePostOrder.setText("后根遍历");
      treePreOrder.setEnabled(true);
    }
  }

  void reset_actionPerformed(ActionEvent e) {
    table = new Table(); //表格数据，记录了节点的坐标等信息
    tree = new Tree(); //树
    binaryTree = new BinaryTree(); //二叉树
    autoThread = null; //基本运行线程
    index = -1;
    //flag = new String(); //是树还是二叉树的标志“Tree”“BinaryTree”
    //fps = 1000; //频率
    /******************************************************
         //drawTable=new DrawPanel();
          切记，不要再新建一个对象了！！
     *********************************************************/
///////////////////////////////////////////////////////////
/**
    drawTable.InitDrawPanel();
*/
////////////////////////////////////////////////////////////
    drawTable.removeAll();
    drawTable.repaint();