drawimageframe.java

Java灵感编程1-101之61-80

package drawimage;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.internetbeans.*;

/**
 * <p>Title: Draw Image Demo</p>
 * <p>Description: This is a Draw Image demo</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: d6-125</p>
 * @author Liujun
 * @version 1.0
 */

public class DrawImageFrame extends JFrame {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();
  JPanel jPanel1 = new JPanel();
  JButton jButton1 = new JButton();
  JFileChooser jFileChooser1 = new JFileChooser();
 //在此添加变量
  String FileName=null;
  Panel1  mypanel;//声明我们创建的Panel类
  //Construct the frame
  public DrawImageFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
   try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(DrawImageFrame.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Draw Image Frame Demo");
    jButton1.setText("打开图像文件");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    contentPane.add(jPanel1, BorderLayout.NORTH);
    jPanel1.add(jButton1, null);
      //add code here
      mypanel = new Panel1();//创建mypanel，并加入到主窗口
      mypanel.SetFileName(FileName);
      contentPane.add(mypanel, "Center");
 }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
   int result=jFileChooser1.showOpenDialog(this);//打开文件选择框
    FileName=jFileChooser1.getSelectedFile().getPath();//得到路径和文件名
    mypanel.SetFileName(FileName);
   this.setTitle(FileName);
   this.repaint();
  }
}