mouseclickframe.java

Java灵感编程1-101之21-40

package mouseclick;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;

/**
 * <p>Title: mouse click demo</p>
 * <p>Description: This is a mouse click demo</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: </p>
 * @author liujun
 * @version 1.0
 */

public class mouseclickFrame extends JFrame {
  JPanel contentPane;
  Label label1 = new Label();
  XYLayout xYLayout1 = new XYLayout();
  Label label2 = new Label();
  Label label3 = new Label();
  List list1 = new List();
  Label label4 = new Label();

   boolean a[]={false,false,false};
  //Construct the frame
  public mouseclickFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(mouseclickFrame.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(255, 254));
    this.setTitle("mouse click Frame Demo");
    label2.setBackground(Color.gray);
    label2.setText("希望");
    label2.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
      public void mouseDragged(MouseEvent e) {
        label2_mouseDragged(e);
      }
    });
    label3.setBackground(Color.gray);
    label3.setText("教育");
    label3.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
      public void mouseDragged(MouseEvent e) {
        label3_mouseDragged(e);
      }
    });
    label4.setText("体育");
    label4.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        label4_mouseClicked(e);
      }
    });
    label4.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
      public void mouseDragged(MouseEvent e) {
        label4_mouseDragged(e);
      }
    });
    label4.setBackground(Color.gray);
    contentPane.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
      public void mouseMoved(MouseEvent e) {
        contentPane_mouseMoved(e);
      }
    });
    contentPane.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        contentPane_mousePressed(e);
      }
    });
    list1.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseEntered(MouseEvent e) {
        list1_mouseEntered(e);
      }
    });
    contentPane.add(list1,   new XYConstraints(146, 6, 104, 199));
    contentPane.add(label1,     new XYConstraints(4, 208, 248, 32));
    contentPane.add(label3, new XYConstraints(13, 72, 98, 30));
    contentPane.add(label4, new XYConstraints(13, 117, 98, 30));
    contentPane.add(label2, new XYConstraints(13, 19, 99, 34));
  }
  //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 contentPane_mouseMoved(MouseEvent e) {
      label1.setText("鼠标位置：x="+e.getX()+"  y="+e.getY());
  }

  void contentPane_mousePressed(MouseEvent e) {
 if(e.getModifiers()==e.BUTTON1_MASK){
   label1.setText("鼠标左键被单击,它的位置：x="+e.getX()+"  y="+e.getY());
      };
 if(e.getModifiers()==e.BUTTON3_MASK){
   label1.setText("鼠标右键被单击,它的位置：x="+e.getX()+"  y="+e.getY());
     };
  }

  void label2_mouseDragged(MouseEvent e) {
            label1.setText("鼠标正在拖动\"希望\"");
            a[0]=true;
  }

  void label3_mouseDragged(MouseEvent e) {
            label1.setText("鼠标正在拖动\"教育\"");
            a[1]=true;
  }

  void label4_mouseDragged(MouseEvent e) {
            label1.setText("鼠标正在拖动\"体育\"");
            a[2]=true;
  }

  void list1_mouseEntered(MouseEvent e) {
          label1.setText("鼠标正在进入\"列表\"");
          if(a[0]) {  list1.addItem(label2.getText());
                   a[0]=false;
                 }
          if(a[1]){ list1.addItem(label3.getText());
                a[1]=false;
                }
          if(a[2]){ list1.addItem(label4.getText());
                a[2]=false;
                }
  }

  void label4_mouseClicked(MouseEvent e) {
    if(e.getClickCount()==2)
      list1.addItem(label4.getText());
  }
}