demojtree.java

java netbeans 学习程序合集

/*
 * DemoJTree.java
 *
 * Created on 2007年8月9日, 下午3:53
 */

package org.Adam;

import java.awt.Dimension;
import java.awt.Toolkit;
import javax.swing.JFrame;
import javax.swing.tree.TreeModel;

/**
 *
 * @author  Administrator
 */
public class DemoJTree extends javax.swing.JFrame {
    
    /** Creates new form DemoJTree */
    public DemoJTree() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jScrollPane1 = new javax.swing.JScrollPane();
        jTreeCountry = new javax.swing.JTree();
        jLabelMessage = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        jTreeCountry.setModel(this.initialTreeModel());
        jScrollPane1.setViewportView(jTreeCountry);

        jLabelMessage.setText("\u4f60\u8fd8\u6ca1\u6709\u505a\u51fa\u4efb\u4f55\u9009\u62e9");

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(layout.createSequentialGroup()
                        .add(144, 144, 144)
                        .add(jLabelMessage, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 165, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                    .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 388, Short.MAX_VALUE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(16, 16, 16)
                .add(jLabelMessage)
                .addContainerGap(22, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new DemoJTree().setVisible(true);
            }
        });
        DemoJTree frame=new DemoJTree();
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
            Dimension frameSize = frame.getSize();
            frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
            if (frameSize.height > screenSize.height) { frameSize.height = screenSize.height; }
            if (frameSize.width > screenSize.width) { frameSize.width = screenSize.width; }
        frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
        frame.setVisible(true);
    }

    private TreeModel initialTreeModel() {
        return null;
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JLabel jLabelMessage;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTree jTreeCountry;
    // 变量声明结束//GEN-END:variables
    
}