frame1.java~338~

源程序（包括最初的版本

        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
    }

  }

  /**二叉树的先序遍历事件*/
  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");

    table.changePathQueue(binaryTree.preOrder()); //先序遍历
    drawTable.setTable(table);
    if (index < table.number) { //画图
      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);
    }
  }

  /***二叉树的中序遍历事件*/
  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");

    table.changePathQueue(binaryTree.inOrder()); //中序遍历
    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();

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

  /***二叉树的后序遍历事件*/
  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");

    table.changePathQueue(binaryTree.postOrder()); //后序遍历
    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();

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

  /**树的先根遍历事件*/
  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();
      treePreOrder.setText("先根遍历");
      treePostOrder.setEnabled(true);
    }
  }

  /**树的后根遍历事件*/
  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");

    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();

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

  /**重置*/
  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;
    //fps = 1000; //频率
    /******************************************************
         //drawTable=new DrawPanel();
          切记，不要再新建一个对象了！！
     ******************************************************/
    drawTable.removeAll();
    drawTable.repaint();

    text.setEnabled(true);
    text.setText(null);
    binaryTreePreOrder.setEnabled(true);
    binaryTreeInOrder.setEnabled(true);
    binaryTreePostOrder.setEnabled(true);
    treePreOrder.setEnabled(true);
    treePostOrder.setEnabled(true);
    binaryTreePreOrder.setText("先序遍历");
    binaryTreeInOrder.setText("中序遍历");
    binaryTreePostOrder.setText("后序遍历");
    treePreOrder.setText("先根遍历");
    treePostOrder.setText("后根遍历");
  }

  /**自动遍历*/
  void auto_actionPerformed(ActionEvent e) {
    // if(e.getActionCommand().equals("start")){
    //now="auto";
    // auto.setText("pause");
    //if(index==-1){return;}
    if (auto.getText().equals("auto")) {
      now = "auto";
      auto.setText("pause");
      auto.setToolTipText("暂停");
      travel = true;
      autoThread = new Thread(this);
      autoThread.start();
    }

    else if (auto.getText().equals("pause")) {
      now = "pause";
      auto.setText("continue");
      auto.setToolTipText("继续");
      // autoThread.interrupt();
      //auto
    }
    else if (auto.getText().equals("continue")) {
      now = "continue";
      auto.setText("pause");
      auto.setToolTipText("暂停");
      //autoThread.interrupt();
    }
  }

  void stop_actionPerformed(ActionEvent e) {
    if (auto.getText().equals("auto")) {
      return;
    }
    now = "stop";
    travel = false;
    index = -1;
    auto.setText("auto");
    autoThread.interrupt();
    //Thead.stop()f方法不提倡使用了！！
    /*try {
      autoThread.stop();
         }
         catch (Exception ex) {
         }
         autoThread = null;*/

    //按钮的还原
    if (jRadioButtonTree.isSelected() == true) {
      treePreOrder.setEnabled(true);
      treePostOrder.setEnabled(true);
      treePreOrder.setText("先根遍历");
      treePostOrder.setText("后根遍历");
    }
    else if (jRadioButtonBT.isSelected() == true) {
      binaryTreePreOrder.setEnabled(true);
      binaryTreeInOrder.setEnabled(true);
      binaryTreePostOrder.setEnabled(true);
      binaryTreePreOrder.setText("先序遍历");
      binaryTreeInOrder.setText("中序遍历");
      binaryTreePostOrder.setText("后序遍历");
    }

    drawTable.cleanBottonCircle(); //画板的清除
    drawTable.repaint();
  }

  /**实现Runnable接口的方法*/
  public void run() {
    while (index < table.number - 1) {
      if (!now.equals("pause")) {
        if (travel == true) {
          drawTable.setCurrent(++index);
          drawTable.fillCurrent();
          drawTable.unFillPreCurrent(index - 1);