btnpan.java

JTREE的例子

package util3;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import util4.*;

public class BtnPan extends JPanel {
  private BorderLayout borderLayout1 = new BorderLayout();
  EditorResListener erlistener=null;
  String name=null;
  Tree myTree=null;
  private JSplitPane splitPan = new JSplitPane();
  private JPanel upPan = new JPanel();
  private JPanel downPan = new JPanel();
  private BorderLayout borderLayout2 = new BorderLayout();
  private BorderLayout borderLayout3 = new BorderLayout();
  private JScrollPane scrollPan = new JScrollPane();
  private JPanel treePan = new JPanel();
  private BorderLayout borderLayout4 = new BorderLayout();
  private JLabel jLabel1 = new JLabel();
  private JScrollPane jScrollPane1 = new JScrollPane();
  private JTextArea attArea = new JTextArea();

  public BtnPan(Frame f,String name) {
    this.erlistener=(EditorResListener)f;
    this.name=name;
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
    this.setLayout(borderLayout1);
    Tree tree=new Tree(this);
    myTree=tree;

    splitPan.setOrientation(JSplitPane.VERTICAL_SPLIT);
    splitPan.setDividerLocation(230);
    splitPan.setOneTouchExpandable(true);
    upPan.setLayout(borderLayout2);
    downPan.setLayout(borderLayout3);
    upPan.setBackground(Color.white);
    downPan.setBackground(Color.white);
    scrollPan.getViewport().setBackground(Color.white);
    scrollPan.setBorder(null);
    treePan.setLayout(borderLayout4);
    treePan.setBackground(Color.white);
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 55));
    jLabel1.setText(" ");
    attArea.setForeground(Color.blue);
    attArea.setBorder(null);
    attArea.setEditable(false);
    attArea.setLineWrap(true);
    jScrollPane1.setBorder(null);
    this.add(splitPan, BorderLayout.CENTER);
    splitPan.add(upPan, JSplitPane.TOP);
    upPan.add(scrollPan,  BorderLayout.CENTER);
    scrollPan.getViewport().add(treePan, null);
    splitPan.add(downPan, JSplitPane.BOTTOM);
    downPan.add(jScrollPane1, BorderLayout.CENTER);
    jScrollPane1.getViewport().add(attArea, null);

    treePan.add(jLabel1, BorderLayout.SOUTH);
    treePan.add(tree,BorderLayout.CENTER);
  }//initial and constructor finished.

  public void showAtt(String str){
    this.attArea.setText(str);
  }

  public void displayPopMenu(JPopupMenu menu, Tree t, MouseEvent e){
  }

  public void importFile(File file) throws Exception{
    myTree.importXML(file);
  }
}