endbean.java~16~

flowGUI简单的java图形设计

package com.wiziflow.gui;

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
/**
 * 结束图标。定义“结束”中的所有属性
 */
public class EndBean extends JLabel {
  final ImageIcon icon = new ImageIcon(com.wiziflow.gui.StartBean.class.getResource("images/end.gif"));
  private int mouseX=0;//鼠标移动的上一个位置
  private int mouseY=0;//鼠标移动的下一个位置
  public EndBean() {
    //super(icon);
    //this.setBounds(0,0,100,100);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
    this.setIcon(icon);
    this.setFont(new Font("宋体",0,12));
    this.setText("结束");
    this.setSize(icon.getIconWidth(),icon.getIconHeight()+25);
    this.setVerticalTextPosition(JLabel.BOTTOM);
    this.setHorizontalTextPosition(JLabel.CENTER);

    this.addKeyListener(new java.awt.event.KeyAdapter() {
      public void keyReleased(KeyEvent e) {
        this_keyReleased(e);
      }
    });

    this.addFocusListener(new java.awt.event.FocusAdapter() {
      public void focusGained(FocusEvent e) {
        this_focusGained(e);
      }
      public void focusLost(FocusEvent e) {
        this_focusLost(e);
      }
    });
    this.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        this_mousePressed(e);
      }
    });
    this.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
      public void mouseDragged(MouseEvent e) {
        this_mouseDragged(e);
      }
    });
  }


  void this_mouseDragged(MouseEvent e) {
    //this.setBorder(BorderFactory.createLineBorder(Color.blue));
    Point p = this.getLocation();
    int x=(int)p.getX();
    int y=(int)p.getY();
    this.setLocation(x+(e.getX()-mouseX),y+(e.getY()-mouseY));

  }

  void this_mousePressed(MouseEvent e) {
    mouseX=e.getX();
    mouseY=e.getY();
    this.requestFocus();
  }

  void this_focusGained(FocusEvent e) {
    ((JLayeredPane)getParent()).moveToFront(this);
    this.setBorder(BorderFactory.createLineBorder(Color.blue));
  }

  void this_focusLost(FocusEvent e) {
    this.setBorder(null);
  }

  void this_keyReleased(KeyEvent e) {
    if(e.getKeyCode()==127) {//Delete键
      JLabel message=new JLabel("删除该控件和它的所有关系,确定吗?");
      message.setFont(new java.awt.Font("宋体", 0, 12));
      int i=JOptionPane.showConfirmDialog(null,message,"删除",JOptionPane.OK_CANCEL_OPTION);
      if(i==0) {//确定
        FlowPane flowPane = (FlowPane)getParent();
        flowPane.remove(this);
//        flowPane.setB_end(false);//画布上已经没有结束图标
        flowPane.repaint();
      }
    }

  }

}