package cn.com.test;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Cursor;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Graphics;

import java.awt.Label;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.awt.event.MouseMotionAdapter;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.border.LineBorder;

public class testDrap {

    static int xx , yy;

    static Point p = new Point(0, 0);

    static int w,h;

    static boolean b = true;

    public static void main(String[] args) {

        JFrame frame = new JFrame();

        frame.getContentPane().setLayout(new FlowLayout());

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        final JPanel panel = new JPanel();

        panel.setLayout(new FlowLayout());

        panel.setBorder(new LineBorder(Color.black));

        panel.setPreferredSize(new Dimension(260,55));

        frame.setBounds(100, 100, 450, 300);

        final JLabel label = new JLabel(){

            public void repaint() {

                this.setLocation(p);

                this.setSize(w,h);

                super.repaint();

            }

        };

        LineBorder border = new LineBorder(Color.black);

        label.setBorder(border);

        label.setForeground(Color.black);

        label.setPreferredSize(new Dimension(50,30));

        label.addMouseListener(new MouseListener() {

            public void mouseReleased(MouseEvent arg0) {

                b = false;

            }

            public void mousePressed(MouseEvent mouseEvent) {

                xx = mouseEvent.getX();

                yy = mouseEvent.getY();

                w = label.getSize().width;

                h = label.getSize().height;

                b = true;

            }

            public void mouseExited(MouseEvent arg0) {

            }

            public void mouseEntered(MouseEvent e) {

                if (label.getSize().width-8<=e.getX()) {

                    label.setCursor(new Cursor(Cursor.E_RESIZE_CURSOR));//右

                } else if (8>=e.getX()) {

                    label.setCursor(new Cursor(Cursor.W_RESIZE_CURSOR));//左

                } else {

                    label.setCursor(Cursor.getDefaultCursor());

                }

            }

            public void mouseClicked(MouseEvent arg0) {

            }

        });

        label.addMouseMotionListener(new MouseAdapter() {

            public void mouseMoved(MouseEvent e) {

                Cursor cursor = label.getCursor();

                if (label.getSize().width-5<=e.getX()) {

                    label.setCursor(new Cursor(Cursor.E_RESIZE_CURSOR));//右

                } else if (5>=e.getX()) {

                    label.setCursor(new Cursor(Cursor.W_RESIZE_CURSOR));//左

                } else {

                    label.setCursor(Cursor.getDefaultCursor());

                }

                if (b) {

                    label.setCursor(cursor);

                }

            };

            public void mouseDragged(MouseEvent e) {

                p = label.getLocation();

                if (label.getCursor().getType() == Cursor.W_RESIZE_CURSOR) {

                    Point point = label.getLocation();

                    p.x = e.getPoint().x + point.x - 0;

                    p.y = point.y;

                    label.setLocation(p);

                    w = label.getSize().width - e.getPoint().x;

                    h = label.getSize().height;

                    label.setSize(w,h);

                } else if (label.getCursor().getType() == Cursor.E_RESIZE_CURSOR) {

                    w = e.getPoint().x;

                    h = label.getSize().height;

                    label.setSize(w,h);

                    label.setLocation(p);

                } else {

                    Point point = label.getLocation();

                    ////////////随意移动
　　　　　　　　　　　 //p.x = e.getPoint().x + point.x - xx;
　　　　　　　　　　　 //p.y = e.getPoint().y + point.y - yy;

                    //label.setLocation(e.getPoint().x + point.x - xx,e.getPoint().y + point.y - yy);
　　　　　　　　　　　　////////////沿着X轴方向移动

                    p.x = e.getPoint().x + point.x - xx;

                    p.y = point.y;

                    label.setLocation(e.getPoint().x + point.x - xx,point.y);

                }

                }

            }

        );

        panel.add(label);

        frame.add(panel);

        JButton btn = new JButton("确认");

        btn.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                for (int i = 0; i < panel.getComponentCount(); i++) {

                    Component c = panel.getComponent(i);

                    System.out.println(c.getLocation().x);

                }

            }

        });

        frame.add(btn);

        frame.setVisible(true);

    }

}