src/org/ltwitter/gui/Client.java

   1 package org.ltwitter.gui;
   2
   3 import java.awt.*;
   4 import java.awt.image.BufferedImage;
   5 import javax.swing.*;
   6 import java.awt.FlowLayout;
   7 import java.awt.event.ActionListener;
   8 import java.awt.event.ActionEvent;
   9
  10 import javax.swing.event.DocumentEvent;
  11 import javax.swing.event.DocumentListener;
  12 import javax.swing.text.Document;
  13
  14 import winterwell.jtwitter.*;
  15
  16
  17 public class Client  {
  18
  19         Icon img;
  20         JFrame loginFrame;
  21         JLabel lblUser,lblPass,lblStatus,lblHeader;
  22         JTextField txtUser;
  23         JPasswordField txtPass;
  24         JTextArea txtStatus;
  25         JButton btSubmit,btExit;
  26         JPanel mainPanel, btPanel;
  27         BufferedImage imgIcon = null;
  28         JLabel lblLastStatus;
  29         JLabel lblStatusCount;
  30                 public void showForm(){
  31
  32                         try{
  33                                 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
  34
  35                         }catch(Exception e){
  36                                 JOptionPane.showMessageDialog(null, "Unable to load system look and feel !");
  37                         }
  38
  39
  40                         //create, configure and show components
  41
  42                         loginFrame = new JFrame("LTwitter");
  43                         lblUser = new JLabel("Enter Username");
  44                         lblPass = new JLabel("Enter Password");
  45                         lblStatus = new JLabel("What are you doing now ? ");
  46                         lblLastStatus = new JLabel();
  47
  48                         txtUser = new JTextField(20);
  49                         txtPass = new JPasswordField(20);
  50
  51                         txtStatus = new JTextArea(10,10);
  52                         txtStatus.setLineWrap(true);
  53                         txtStatus.getDocument().addDocumentListener(new TweetCountListener());
  54                         JScrollPane scroller = new JScrollPane(txtStatus);
  55                         scroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
  56                         scroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
  57
  58                         btSubmit = new JButton("Tweet");
  59                         btSubmit.addActionListener(new TweetListener());
  60
  61
  62                         img = new ImageIcon("images/LTwitter2.jpg");
  63                         lblHeader = new JLabel(img);
  64
  65
  66                         lblStatusCount = new JLabel(new Integer(140).toString());
  67
  68
  69                         //creating panels and adding the above components in suitable manner
  70
  71                         mainPanel = new JPanel();
  72                         mainPanel.setLayout(new BoxLayout(mainPanel,BoxLayout.Y_AXIS));
  73                         mainPanel.add(lblUser);
  74                         mainPanel.add(txtUser);
  75                         mainPanel.add(lblPass);
  76                         mainPanel.add(txtPass);
  77                         mainPanel.add(lblStatus);
  78                         mainPanel.add(scroller);
  79                         mainPanel.add(lblStatusCount);
  80                         mainPanel.add(lblLastStatus);
  81
  82                         btPanel = new JPanel();
  83                         btPanel.add(btSubmit);
  84
  85                         loginFrame.setLayout(new FlowLayout());
  86                         loginFrame.getContentPane().add(lblHeader);
  87                         loginFrame.getContentPane().add(mainPanel);
  88                         loginFrame.getContentPane().add(btPanel);
  89
  90
  91
  92
  93                         //centering the frame on the screen
  94                         loginFrame.setSize(300,430);
  95                         Dimension dw = Toolkit.getDefaultToolkit().getScreenSize();
  96                         int wx = loginFrame.getSize().width;
  97                         int wy = loginFrame.getSize().height;
  98                         int x = (dw.width-wx)/2;
  99                         int y = (dw.height-wy)/2;
 100                         loginFrame.setLocation(x, y);
 101
 102
 103
 104
 105
 106                         loginFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 107                         loginFrame.setResizable(false);
 108                         loginFrame.setVisible(true);
 109
 110         }
 111
 112
 113
 114         //inner class for button listener
 115         class TweetListener implements ActionListener{
 116                 public void actionPerformed(ActionEvent ev){
 117                         //twitter
 118                         //setting the status of user
 119
 120
 121                                 String user = txtUser.getText();
 122                                 char[] pass = txtPass.getPassword();
 123
 124                                 String password = "";
 125                                 for (int i=0;i<pass.length;i++)
 126                                         password = password+pass[i];
 127
 128
 129                                 //lblLastStatus.setText("Last tweet:"+txtStatus.getText());
 130
 131                                 try{
 132                                         Twitter twitter = new Twitter(user,password);
 133                                         String status = txtStatus.getText();
 134
 135                                         twitter.setStatus(status);
 136
 137                                         JOptionPane.showMessageDialog(null, "You just Tweeted!");
 138
 139                                         txtStatus.setText("");
 140                                         txtStatus.requestFocus();
 141
 142
 143                                 }catch(Exception e){
 144
 145                                         JOptionPane.showMessageDialog(loginFrame, "Twitter Error\n" +
 146                                                         "Check the username and password or\n" +
 147                                                         "Twitter may be busy. Try after sometime :)");
 148                                 }
 149                 }
 150         }//inner class
 151
 152         class TweetCountListener implements DocumentListener{
 153
 154
 155                 @Override
 156                 public void changedUpdate(DocumentEvent ev) {
 157                         this.manageLength(ev);
 158
 159                 }
 160
 161                 @Override
 162                 public void insertUpdate(DocumentEvent ev) {
 163
 164                         this.manageLength(ev);
 165                 }
 166
 167                 @Override
 168                 public void removeUpdate(DocumentEvent ev) {
 169                         this.manageLength(ev);
 170
 171                 }
 172
 173                 public void manageLength(DocumentEvent ev){
 174                         Document doc = ev.getDocument();
 175                         int remLength = 140-doc.getLength();
 176
 177                         lblStatusCount.setText("Remaining: "+remLength);
 178
 179
 180
 181
 182
 183
 184                 }
 185         }
 186
 187 }
 188
 189