openurldlg.java

Java 多媒体技术(附源码) Java 3D API JavaSound API 各种格式的多媒体数据文件 JBuilder开发环境

package javamediaplayer;

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

/**
 * Title:        使用Java制作的媒体播放器
 * Description:  这个播放器利用了Java Media Frame API来实现主要功能
 * Copyright:    Copyright (c) 2003
 * Company:      北京师范大学继续教育学院99计算机应用
 * @author       郭汉文
 * @version      1.0
 */

public class OpenUrlDlg extends JDialog {
  public final static  int ACTION_OPEN=1;
  public final static  int ACTION_CANCEL=0;
  private String      nameUrlDefault = null;
  private int       intAction = ACTION_CANCEL;
  protected JFrame         frameOwner = null;

  JPanel panelInput = new JPanel();
  GridLayout gridLayout1 = new GridLayout();
  FlowLayout flowLayout1 = new FlowLayout();
  JLabel jLabel1 = new JLabel();
  JTextField txtURL = new JTextField();
  JPanel panelCmd = new JPanel();
  JButton cmdOpen = new JButton();
  JButton cmdCancel = new JButton();

  public OpenUrlDlg(JFrame frame, String nameUrlDefault) {
    super(frame, "Open Url", true);
    frameOwner=frame;
    this.nameUrlDefault =nameUrlDefault;
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public OpenUrlDlg() {
    this(null, "");
  }
  void jbInit() throws Exception {
    panelInput.setLayout(flowLayout1);
    this.setTitle("Open Url");
    this.getContentPane().setLayout(gridLayout1);
    gridLayout1.setRows(2);
    gridLayout1.setColumns(1);
    jLabel1.setForeground(Color.red);
    jLabel1.setText("URL:");
    cmdOpen.setBackground(new Color(180, 255, 50));
    cmdOpen.setForeground(Color.magenta);
    cmdOpen.setText("Open");
    txtURL.setText(nameUrlDefault);
    cmdOpen.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        cmdOpen_actionPerformed(e);
      }
    });
    cmdCancel.setBackground(new Color(180, 255, 150));
    cmdCancel.setForeground(Color.magenta);
    cmdCancel.setText("Canel");
    cmdCancel.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        cmdCancel_actionPerformed(e);
      }
    });
    panelCmd.setBackground(Color.orange);
    panelInput.setBackground(Color.orange);
    panelInput.add(jLabel1, null);
    panelInput.add(txtURL, null);
    txtURL.setColumns(30);
    this.getContentPane().add(panelInput, null);
    this.getContentPane().add(panelCmd, null);
    panelCmd.add(cmdOpen, null);
    panelCmd.add(cmdCancel, null);
    this.pack();
    this.autoPosition() ;
    this.setResizable ( false );
  }
  public void addNotify () {
         this.setBackground ( Color.lightGray );
         super.addNotify ();
        autoPosition ();
    }
  public void autoPosition () {
     Dimension       dim;
     Dimension       dimFrame;
     Dimension       dimDialog;
     Dimension       dimScreen;
     Point           point;
     Insets          insets;
     point=frameOwner.getLocationOnScreen();
     dimFrame=frameOwner.getSize();
     dimDialog=this.getSize();
     point.y=point.y+(int)(dimFrame.getHeight()-dimDialog.getHeight())/2;
     this.setLocation(point) ;

    }
   public String getUrl () {
        String  nameUrl;

        nameUrl = txtURL.getText();
       return ( nameUrl );
    }

  void cmdOpen_actionPerformed(ActionEvent e) {
        this.setAction(this.ACTION_OPEN );
        this.dispose() ;
  }
  void cmdCancel_actionPerformed(ActionEvent e) {
        this.setAction(this.ACTION_CANCEL  );
        this.dispose() ;
  }
  protected void setAction ( int intAction ) {
        this.intAction = intAction;
  }
  public int getAction () {
        return ( intAction );
    }

}