list.java

P2P聊天系统 该程序是由NetBeans IDE 6.5

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * list.java
 *
 * Created on 2009-2-20, 6:15:14
 */

package chatGUI;

import java.awt.BorderLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.net.UnknownHostException;
import java.util.StringTokenizer;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JList;
import multicast.MultiCast;

/**
 *
 * @author Administrator
 */
public class list extends javax.swing.JFrame {
    private DefaultListModel listModel = null;
    private String lgout = "";
    //private chat []chats = new chat[256];
    /** Creates new form list */
    public list(String str,final chat []chats) {
        initComponents();
        //this.chats = chats;
        this.setTitle("P2P金色秋季");
        JLabel lb = new JLabel(new ImageIcon("img\\list.jpg"));
        back.setLayout(new BorderLayout());
        back.add(lb, BorderLayout.CENTER);
        this.setVisible(true);
        this.setLocation(400, 200);

        lgout = "logou " + str;
        listModel = new DefaultListModel();
        list.setModel(listModel);
        //设置鼠标 双击 事件
        MouseListener mouseListener = new MouseAdapter() {
            @Override
               public void mouseClicked(MouseEvent mouseEvent) {
        JList theList = (JList) mouseEvent.getSource();
        if (mouseEvent.getClickCount() == 2) {
          int index = theList.locationToIndex(mouseEvent.getPoint());
          if (index >= 0) {
            Object o = theList.getModel().getElementAt(index);
            //System.out.println("Double-clicked on: " + o.toString());
            String str = o.toString();
            StringTokenizer st=new StringTokenizer(str," ");
            str =st.nextToken();
            str =st.nextToken();
            StringTokenizer st1=new StringTokenizer(str,".");
            String temp1 = "";
            while(st1.hasMoreTokens()){
                temp1 = st1.nextToken();
            }
                        try {
                            //System.out.println(temp1);
                            //ip = str;
                            //打开 Mserver.guichat[Mserver.m]聊天界面
                            if(chats[Integer.parseInt(temp1)] == null)
                                chats[Integer.parseInt(temp1)] = new chat(str);
                            else
                                chats[Integer.parseInt(temp1)].setVisible(true);
                            //System.out.println(str);
                        } catch (UnknownHostException ex) {
                            Logger.getLogger(list.class.getName()).log(Level.SEVERE, null, ex);
                        }
            //System.out.println(str);
          }
        }
      }

    };
        list.addMouseListener(mouseListener);//添加事件
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        back = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        list = new javax.swing.JList();
        jButton1 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                formWindowClosing(evt);
            }
        });

        list.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
        list.setSelectionForeground(new java.awt.Color(204, 204, 255));
        jScrollPane1.setViewportView(list);

        jButton1.setText("组聊");
        jButton1.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));

        jButton3.setText("退出");
        jButton3.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout backLayout = new javax.swing.GroupLayout(back);
        back.setLayout(backLayout);
        backLayout.setHorizontalGroup(
            backLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(backLayout.createSequentialGroup()
                .addGap(102, 102, 102)
                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(55, 55, 55)
                .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 43, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(41, Short.MAX_VALUE))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, backLayout.createSequentialGroup()
                .addContainerGap(43, Short.MAX_VALUE)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 202, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(38, 38, 38))
        );
        backLayout.setVerticalGroup(
            backLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(backLayout.createSequentialGroup()
                .addGap(28, 28, 28)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 401, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addGroup(backLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton3)
                    .addComponent(jButton1))
                .addContainerGap(36, Short.MAX_VALUE))
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(back, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(back, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
        // TODO add your handling code here:
        new MultiCast(lgout);
        System.exit(0);
    }//GEN-LAST:event_jButton3ActionPerformed


    public void comitem(String str){
        //从JList中获得这个集合,转换为默认项集合类型
            listModel= (DefaultListModel) this.list.getModel();

            Object[] anArray = new Object[255];
            int m = -1;
            listModel.copyInto(anArray);

            for(int i=0;i<anArray.length;i++){
                if(anArray[i] != null){
                    StringTokenizer st=new StringTokenizer((String)anArray[i]," ");
                    int t = st.countTokens();
                    String temp = null;
                    for(int j=0; j<t; j++)
                        temp = st.nextToken();
                    if(str.compareTo(temp) == 0){
                        m=i;
                        break;
                    }
                }
            }

            //Mserver.m =  m;//确定m，就确定了对话框

    }
    public void additem(String str){
        //从JList中获得这个集合,转换为默认项集合类型
        listModel= (DefaultListModel) this.list.getModel();
        //追加元素
        listModel.add(listModel.getSize(),str);
        //将这个集合添加到JList中
        this.list.setModel(listModel);
    }

    public void removeitem(String str){
            //从JList中获得这个集合,转换为默认项集合类型
            listModel= (DefaultListModel) this.list.getModel();
            //删除所选元素在默认项集合中
            Object[] anArray = new Object[255];
            int m = -1;
            listModel.copyInto(anArray);
            if (anArray != null){
                for(int i=0;i<anArray.length;i++){
                    if(str.compareTo((String) anArray[i]) == 0){
                        m=i;
                        break;
                    }
                }
            }
            if (m>=0)
                listModel.remove(m);
            //重新添加到JList中
            this.list.setModel(listModel);
    }


    private void formWindowClosing(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowClosing
        // TODO add your handling code here:
        new MultiCast(lgout);
        System.exit(0);
    }//GEN-LAST:event_formWindowClosing

    /**
    * @param args the command line arguments
    */
    /*public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new list();
            }
        });
    }*/

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel back;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton3;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JList list;
    // End of variables declaration//GEN-END:variables
    
}