whiteboardframe.java

一个基于swing的网络白板

package mywb;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;
import javax.swing.*;

public class WhiteBoardFrame extends JFrame {
  private String serIp = null;
  private String serPort =null;
  private String myName = null;
  public boolean active = false ;
  private BorderLayout borderLayout1 = new BorderLayout();
  private BorderLayout borderLayout2 = new BorderLayout();
  private BorderLayout borderLayout3 = new BorderLayout();
  private BorderLayout borderLayout4 = new BorderLayout();
  private BorderLayout borderLayout5 = new BorderLayout();
  private BorderLayout borderLayout6 = new BorderLayout();
  private BorderLayout borderLayout7 = new BorderLayout();
  private BorderLayout borderLayout8 = new BorderLayout();
  private BorderLayout borderLayout9 = new BorderLayout();
  private BorderLayout borderLayout10 = new BorderLayout();
  private BorderLayout borderLayout11 = new BorderLayout();
  private BorderLayout borderLayout12 = new BorderLayout();
  private BorderLayout borderLayout13 = new BorderLayout();
  private BorderLayout borderLayout14 = new BorderLayout();
  private BorderLayout borderLayout15 = new BorderLayout();
  private GridLayout gridLayout1 = new GridLayout();
  private GridLayout gridLayout2 = new GridLayout();
  private GridLayout gridLayout3 = new GridLayout();
  private GridLayout gridLayout4 = new GridLayout();
  private JPanel jPanel1 = new JPanel();
  private JPanel jPanel2 = new JPanel();
  private JPanel jPanel3 = new JPanel();  
  private JPanel jPanel4 = new JPanel();
  private JPanel jPanel5 = new JPanel();  
  private JPanel jPanel6 = new JPanel();  
  private JPanel jPanel7 = new JPanel();
  private JPanel jPanel8 = new JPanel();
  private JPanel jPanel9 = new JPanel();
  private JPanel selPane = new JPanel();
  private JPanel ranLinePane = new JPanel();
  private JPanel frectPanel = new JPanel();
  private JPanel rrecPanel = new JPanel();
  private JPanel fovalPanel = new JPanel();
  private JPanel ovalPanel = new JPanel();
  private JPanel frecPanel = new JPanel();
  private JPanel recPanel = new JPanel();
  private JPanel linePanel = new JPanel();
  private JPanel grayColorPanel = new JPanel();
  private JPanel blueColorPanel = new JPanel();
  private JPanel cyanColorPanel = new JPanel();
  private JPanel magentaColorPanel = new JPanel();
  private JPanel greenColorPanel = new JPanel();
  private JPanel orangeColorPanel = new JPanel();
  private JPanel redColorPanel = new JPanel();
  private JPanel blackColorPanel = new JPanel();
  private JButton selBut = new JButton();
  private JButton lineBut = new JButton();
  private JButton recBut = new JButton();
  private JButton frecBut = new JButton();  
  private JButton ovalBut = new JButton();  
  private JButton fovalBut = new JButton();
  private JButton rrecBut = new JButton();  
  private JButton frrecBut = new JButton(); 
  private JButton rlineBut = new JButton();
  private JLabel jLabel2 = new JLabel();  
  private JLabel jLabel3 = new JLabel();
  private JLabel jLabel4 = new JLabel();
  private JLabel jLabel5 = new JLabel();
  private JLabel jLabel6 = new JLabel();
  private JLabel jLabel7 = new JLabel();
  private String path = "./images/line.gif";
  private ImageIcon lineimage = new ImageIcon(getClass().getResource(path));
  private String path1 = "./images/rline.gif";
  private ImageIcon rlinimage = new ImageIcon(getClass().getResource(path1));
  private String path2 = "./images/rect.gif";
  private ImageIcon rectimage = new ImageIcon(getClass().getResource(path2));
  private String path3 = "./images/rrect.gif";
  private ImageIcon rrectimage = new ImageIcon(getClass().getResource(path3));
  private String path4 = "./images/oval.gif";
  private ImageIcon ovalimage = new ImageIcon(getClass().getResource(path4));
  private String path5 = "./images/foval.gif";
  private ImageIcon fovalimage = new ImageIcon(getClass().getResource(path5));
  private String path6 = "./images/frect.gif";
  private ImageIcon frectimage = new ImageIcon(getClass().getResource(path6));
  private String path8 = "./images/frrect.gif";
  private ImageIcon frrectimage = new ImageIcon(getClass().getResource(path8));
  private String path9 = "./images/select.gif";
  private ImageIcon selectimage = new ImageIcon(getClass().getResource(path9));
  //Get a parameter value
  static PrintStream ps=null;                 //定义打印流
  public Socket clientSocket = null;
  static String message = null;
  public static int i;
  //whiteboard
  public int colorindex;
  public Color color = null;
  public int currentTool =0;
  public int x0, y0, x1, y1, width, height;
  public int xold, yold, wold, hold;
  public Class cl;
  public Element element = null;
  public Vector elements = new Vector();
  public WhiteBoardPanel whiteBoard = null;
  public static String name = "";
  //构造函数
  public WhiteBoardFrame(String serIp,String serPort,String name) {
	  this.serIp = serIp;
	  this.serPort =serPort;
	  this.myName = name;
	  try {
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		} catch (ClassNotFoundException e1) {
			e1.printStackTrace();
		} catch (InstantiationException e1) {
			e1.printStackTrace();
		} catch (IllegalAccessException e1) {
			e1.printStackTrace();
		} catch (UnsupportedLookAndFeelException e1) {
			e1.printStackTrace();
		}	   
	  init();
  }
  // 初始化
  public void init() {
     try {
		jbInit();		
	} catch (Exception e) {
		e.printStackTrace();
		return;
	}
     color = Color.gray;
    //whiteboard
  try{
	    int port = Integer.parseInt(serPort);
        clientSocket = new Socket(serIp,port);
        whiteBoard = new WhiteBoardPanel(clientSocket);
        whiteBoard.setBackground(Color.white);
        whiteBoard.setType(currentTool);
        jPanel2.add(whiteBoard,BorderLayout.CENTER);
        whiteBoard.setColor(color);
        status(currentTool,0);
   }catch(Exception ex){
   ex.printStackTrace();
   System.out.println("failed to connect to wbServer");
   }
  }
  //模块初始化
  private void jbInit() throws Exception {
    this.setLayout(borderLayout1);
    jPanel1.setLayout(borderLayout2);
    jPanel3.setLayout(borderLayout4);
    jPanel1.setBackground(Color.white);
    jPanel1.setPreferredSize(new Dimension(80, 300));
    jPanel3.setBorder(BorderFactory.createEtchedBorder());
    jPanel3.setPreferredSize(new Dimension(80, 300));
    jPanel3.addMouseListener(new java.awt.event.MouseAdapter() {
      });
    jPanel4.setLayout(borderLayout6);
    jPanel5.setLayout(gridLayout2);
    gridLayout2.setHgap(2);
    gridLayout2.setVgap(2);
    jPanel6.setBorder(BorderFactory.createEtchedBorder());
    jPanel6.setPreferredSize(new Dimension(10, 200));
    jPanel6.setLayout(borderLayout5);
    jPanel7.setPreferredSize(new Dimension(10, 20));
    jPanel7.setLayout(gridLayout3);
    jLabel2.setForeground(SystemColor.desktop);
    jLabel2.setPreferredSize(new Dimension(20, 18));
    jLabel2.setText("工具");
    jLabel4.setForeground(SystemColor.desktop);
    jLabel4.setText("");
    jLabel6.setForeground(SystemColor.desktop);
    jLabel6.setText("颜色");
    jPanel9.setLayout(gridLayout1);
    jPanel8.setLayout(gridLayout4);
    gridLayout4.setColumns(2);
    gridLayout4.setHgap(1);
    gridLayout4.setRows(0);
    gridLayout4.setVgap(1);
    gridLayout1.setColumns(2);
    gridLayout1.setHgap(1);
    gridLayout1.setRows(0);
    gridLayout1.setVgap(1);
    selPane.setBorder(BorderFactory.createLineBorder(Color.black));
    selPane.setToolTipText("");
    selPane.setLayout(borderLayout7);
    selBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        select_mousePressed(e);
      }

    });
    frectPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    frectPanel.setLayout(borderLayout14);
    frrecBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        frrect_mousePressed(e);
      }

    });
    ranLinePane.setBorder(BorderFactory.createLineBorder(Color.black));
    ranLinePane.setLayout(borderLayout15);
    rlineBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        rline_mousePressed(e);
      }

    });
    rrecPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    rrecPanel.setLayout(borderLayout13);
    rrecBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        rrect_mousePressed(e);
      }

    });
    ovalPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    ovalPanel.setLayout(borderLayout11);
    ovalBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        oval_mousePressed(e);
      }

    });
    fovalPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    fovalPanel.setLayout(borderLayout12);
    fovalBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        foval_mousePressed(e);
      }

    });
    recPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    recPanel.setLayout(borderLayout9);
    recBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        rect_mousePressed(e);
      }
    });
    frecPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    frecPanel.setLayout(borderLayout10);
    frecBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        frect_mousePressed(e);
      }
    });
    linePanel.setBorder(BorderFactory.createLineBorder(Color.black));
    linePanel.setLayout(borderLayout8);
    lineBut.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        line_mousePressed(e);
      }
    });
    blueColorPanel.setBackground(Color.blue);
    blueColorPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    blueColorPanel.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        blue_mousePressed(e);
      }
    });
    grayColorPanel.setBackground(Color.gray);
    grayColorPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    grayColorPanel.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        gray_mousePressed(e);
      }
    });
    cyanColorPanel.setBackground(Color.cyan);
    cyanColorPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    cyanColorPanel.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        cyan_mousePressed(e);
      }
    });
    magentaColorPanel.setBackground(Color.magenta);
    magentaColorPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    magentaColorPanel.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        magenta_mousePressed(e);
      }
    });
    greenColorPanel.setBackground(Color.green);
    greenColorPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    greenColorPanel.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        green_mousePressed(e);
      }
    });
    orangeColorPanel.setBackground(Color.orange);
    orangeColorPanel.setBorder(BorderFactory.createLineBorder(Color.black));
    orangeColorPanel.addMouseListener(new java.awt.event.MouseAdapter() {