public void scrollToBottom() {
if (mousePressed) return;
int lengthOfChat = transcriptWindow.getDocument().getLength();
transcriptWindow.setCaretPosition(lengthOfChat);
try {
JScrollBar scrollBar = textScroller.getVerticalScrollBar();
scrollBar.setValue(scrollBar.getMaximum());
} catch (Exception e) {
}
}
public void addToTranscript(Message message, boolean updateDate) {
final Message newMessage = new Message();
newMessage.setTo(message.getTo());
newMessage.setFrom(message.getFrom());
newMessage.setBody(message.getBody());
newMessage.setProperty("date", new Date());
transcript.add(newMessage);
if (updateDate && transcriptWindow.getLastUpdated() != null)
notificationLabel.setText(
"las msg received at "
+ ChatsyManager.DATE_SECOND_FORMATTER.format(transcriptWindow.getLastUpdated()));
scrollToBottom();
}
protected ChatRoom() {
chatPanel = new JPanel(new GridBagLayout());
transcriptWindow = new TranscriptWindow();
splitPane = new JSplitPane();
packetIDList = new ArrayList<String>();
notificationLabel = new JLabel();
toolbar = new ChatToolBar();
bottomPanel = new JPanel();
messageListeners = new ArrayList<MessageListener>();
transcript = new ArrayList<Message>();
editorBar = new JPanel(new FlowLayout(FlowLayout.LEFT, 1, 1));
transcriptWindowMouseListener =
new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
getChatInputEditor().requestFocus();
}
public void mouseReleased(MouseEvent e) {
mousePressed = false;
if (transcriptWindow.getSelectedText() == null) getChatInputEditor().requestFocus();
}
public void mousePressed(MouseEvent e) {
mousePressed = true;
}
};
transcriptWindow.addMouseListener(transcriptWindowMouseListener);
transcriptWindow.setBackground(Color.white);
chatAreaButton = new ChatAreaSendField("Send");
textScroller = new JScrollPane(transcriptWindow);
textScroller.setBackground(transcriptWindow.getBackground());
textScroller.getViewport().setBackground(Color.white);
textScroller.setBorder(BorderFactory.createMatteBorder(1, 1, 1, 1, Color.lightGray));
getChatInputEditor().setSelectedTextColor(Color.decode("0xffffff"));
getChatInputEditor().setSelectionColor(Color.decode("0x336699"));
init();
getSplitPane().setRightComponent(null);
getTranscriptWindow().addContextMenuListener(this);
ChatsyManager.getConnection().addConnectionListener(this);
addFocusListener(this);
}