treeaction.java

来自「掌握 JDBC 驱动程序的加载方法和JDBC-ODBC桥URL的形式； 掌握」· Java 代码 · 共 33 行

package cn.edu.csu.oo.gui.project.view.viewaction;

import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;

import cn.edu.csu.oo.gui.project.view.frame.MainFrame;

public class TreeAction implements TreeSelectionListener{
  private MainFrame main;
  public TreeAction(MainFrame main){
    this.main = main;
  }
  public void valueChanged(TreeSelectionEvent e) {
    //获得点击的节点对象
    DefaultMutableTreeNode node = (DefaultMutableTreeNode)main.buildJTree().getLastSelectedPathComponent();
    //获得节点对象的字符串内容
    String nodeStr = node.getUserObject().toString();
    if(node.isLeaf()){
      if(nodeStr.equals("学生信息注册")){
        main.buildTabbedPane().setSelectedIndex(0);
        System.out.println("regist");
      }else if(nodeStr.equals("学生信息查询")){
        main.buildTabbedPane().setSelectedIndex(1);
        System.out.println("find");
      }else if(nodeStr.equals("学生信息维护")) {
        main.buildTabbedPane().setSelectedIndex(2);
        System.out.println("modify");
      }
    }
  }
}